OPERATOR'S MANUAL FOR USE AND MAINTENANCE LM

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OPERATOR’S MANUAL FOR USE AND MAINTENANCE Translation of original instructions – EN – Rev. 01 LM-D FAMILY Multi-version laser welder SISMA S.p.A. Via Dell’Industria, 1 36013 – Piovene Rocchette – Vicenza – ITALY Tel +39 0445 595511 – Fax +39 0445 595595 E-mail: [email protected] Website: www.sisma.com

Transcript of OPERATOR'S MANUAL FOR USE AND MAINTENANCE LM

OPERATOR’S MANUAL FOR USE AND MAINTENANCE Translation of original instructions – EN – Rev. 01

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SISMA S.p.A. Via Dell’Industria, 1 36013 – Piovene Rocchette – Vicenza – ITALY Tel +39 0445 595511 – Fax +39 0445 595595 E-mail: [email protected] – Website: www.sisma.com

EN 01 2/105

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1.1 MANUAL REVISIONS TABLE

REVISION DATE UPDATE

00 05/2017 First issue

01 09/2018 Instructions changed in chapter 7

02

03

Table 2.1 Manual revisions

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1.2 MANUAL REFERENCES

295606 CODE FOR THIS MANUAL

CATALOGUE CODE MODEL

699931E LM-D 180

699932E LM-D 210

699934E LM-D 180 OPEN

699935E LM-D 210 OPEN

699937E LM-D 180 VISION

699938E LM-D 210 VISION

699940E LM-D 180 OPEN VISION

699941E LM-D 210 OPEN VISION

699944E LM-D 180 SMART SPOT

699945E LM-D 210 SMART SPOT

Table 2.2 Reference product codes

1.3 TECHNICAL SPECIFICATIONS

MODEL LM-D Ready LM-D

LM-D Open LM-D Vision

LM-D Open Vision

150 180 180 210

Source type Nd: Yag

Laser Class 4

Wavelength nm 1064

Average optical power W 60 80 80 85

Peak power kW 7.5 9 9 10.5

Pulse duration ms 0.3 ÷ 20

Pulse frequency Hz 0÷50

Welding spot diameter mm 0.2 – 2 (0.1 mm opt.)

Max pulse energy 20 ms J 150 180 180 210

Smart Spot

USB/Ethernet connectivity

Power supply 230V ± 10% | 50/60Hz | 1ph Schuko 12A

Net weight kg 60

Dimensions mm 567x744.5x512 567x730x510 567x730x612

Table 2.3 Technical specifications

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TABLE OF CONTENTS EN 01 5/105

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2 TABLE OF CONTENTS

1.1 Manual revisions table __________________ 2 1.2 manual references _____________________ 3 1.3 Technical specifications _________________ 3

2 Table of contents _________________ 5

3 Introduction _____________________ 7 3.1 Scope of the operator’s manual __________ 7 3.2 How to read the operator’s manual _______ 8 3.3 Preservation of the operator’s manual _____ 9 3.4 Operator’s manual update procedure _____ 9 3.5 Intended users _______________________ 10 3.6 Definitions and pictograms _____________ 11

4 General information _____________ 17 4.1 Manufacturer’s name and address _______ 17 4.2 Machine identification data_____________ 17 4.3 Declarations _________________________ 18 4.4 Technical standards ___________________ 18 4.5 After-sales service information __________ 19 4.6 Items to be prepared by the customer ____ 19

5 Safety _________________________ 21 5.1 General safety instructions _____________ 21 5.2 Safety components ___________________ 24 5.3 Signs _______________________________ 25 5.4 Laser _______________________________ 26 5.5 Residual risks ________________________ 32 5.6 Personal protective equipment (PPE) _____ 34 5.7 Organizational measures for the user _____ 35 5.8 Diligence in the use of the machine ______ 36 5.9 Guarantee of impeccable condition ______ 37 5.10 Parts, operating materials ______________ 38

6 Machine description _____________ 39 6.1 Operating principle ___________________ 39 6.2 Main components ____________________ 40 6.3 Safety components ___________________ 41 6.4 Laser safety barriers ___________________ 42 6.5 Machine dimensions __________________ 43 6.6 Panels and buttons ___________________ 44 6.7 Electrical panel _______________________ 46 6.8 Vibrations ___________________________ 46 6.9 Sound emissions ______________________ 46 6.10 Standard supply ______________________ 47 6.11 Electromagnetic environment ___________ 47

7 Installation _____________________ 49 7.1 Environmental conditions ______________ 49 7.2 Lighting _____________________________ 49 7.3 Package _____________________________ 50 7.4 Layout of the operative area ____________ 52 7.5 Transport (handling and placement) ______ 53 7.6 Connections _________________________ 55

7.7 Preparing the stereo microscope _________ 63 7.8 Filling the cooling water tank ____________ 65 7.9 Storage _____________________________ 68

8 Use of the machine ______________ 69 8.1 Envisaged use ________________________ 69 8.2 Operating mode ______________________ 69 8.3 Tests and checks before start-up _________ 70 8.4 Emergency stop ______________________ 70 8.5 Emergency stop Reset _________________ 71 8.6 Start-up _____________________________ 71 8.7 Correct operator position _______________ 72 8.8 Centring the stereo microscope __________ 73 8.9 Colour touch screen panel (LM-D, LM-D OPEN) 77 8.10 Taking out of service ___________________ 77

9 Maintenance ___________________ 79 9.1 Warnings for maintenance ______________ 79 9.2 State of maintenance __________________ 81 9.3 Machine isolation _____________________ 81 9.4 Special precautions ____________________ 82 9.5 Cleaning _____________________________ 82 9.6 Routine maintenance __________________ 83 9.7 Scheduled maintenance ________________ 84 9.8 Special maintenance ___________________ 93

10 Troubleshooting _________________ 95 10.1 Faults _______________________________ 95

11 Technical support ________________ 99 11.1 Spare parts __________________________ 99 11.2 Return of spare parts for repair or replacement _______________________________ 100

12 Additional instructions __________ 101 12.1 Waste disposal ______________________ 101 12.2 Decommissioning and dismantling ______ 101 12.3 Safe work procedures _________________ 101

13 Indices _______________________ 103 13.1 List of figures ________________________ 103 13.2 List of tables ________________________ 104

14 Annexes ______________________ 105 14.1 CE Declaration of Conformity (Facsimile) _ 105

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3 INTRODUCTION

3.1 SCOPE OF THE OPERATOR’S MANUAL

This Manual is an integral part of the machine and is intended to supply all the necessary

information for:

Ensuring that all workers are duly aware of safety aspects

Safe handling of the machine with and without its packaging

Correct installation of the machine

In-depth knowledge of the machine’s operation and limits

Correct use of the machine in conditions of safety

Correct, safe maintenance

Dismantling the machine in conditions of safety and in compliance with current

occupational health and environmental regulations.

Managers of the company departments where this Machine is installed are required, under

current regulations, to read the contents of this Operator’s Manual carefully and ensure that

assigned operating and maintenance staff also read the parts applicable to their tasks. The

time invested in acquiring a thorough understanding of this Manual will be fully rewarded by

correct operation and safe use of the machine.

This document assumes that current occupational health and safety regulations are enforced

in the plants where the machine is to be installed.

The instructions, drawings and documentation in this Manual consist of confidential technical

material which remains strictly the manufacturer’s property and may not be reproduced in any

way, even in part.

Furthermore, in the event the manufacturer makes any modifications to this document, the

buyer is responsible for ensuring that only up-to-date editions of the Manual are actually

present at the points of use.

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3.2 HOW TO READ THE OPERATOR’S MANUAL

Various terms, abbreviations and pictograms are used to speed up understanding of the text.

The key to these is provided in this paragraph.

The Operator’s Manual consists of a cover, a table of contents and a series of chapters. The

designation of the machine and model, and the edition of the Operator’s Manual appear on

the first page, together with a photograph/drawing of the type of machine described to aid the

reader when identifying the machine and its manual.

The first page of the table of contents contains the table of editions of the Operator’s Manual

and its parts, which correlates the edition of the entire Manual with that of the table of

contents and the various chapters, and contains the date of issue of any given edition of the

whole Manual.

DEFINITION OF THE PAGE HEADING

Chapter Language Revision Page

INTRODUCTION EN 0.1 8/105

DEFINITION OF FOOTER

Manufacturer’s Logo Machine model

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

… Model …

FIGURE NUMBERING

Each picture is progressively numbered with “chapter. progressive number” of the picture.

The numbers are structured as follows: Figure 1.1

TABLE NUMBERING

Each table is progressively numbered with “chapter. progressive number” of the table. The

numbers are structured as follows: Table 1.1

ABBREVIATIONS

Sect. = Section Chap. = Chapter Pt. = Point

Pg. = Page Fig. = Figure Tab. = Table

UNITS OF MEASUREMENT

The units of measurement used in this Manual are those of the International System of Units

(SI).

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3.2.1 LANGUAGE OF THE OPERATOR’S MANUAL

Only the instructions in Italian language are to be considered as ORIGINAL INSTRUCTIONS.

3.3 PRESERVATION OF THE OPERATOR’S MANUAL

The Operator’s Manual, in paper or digital format, must be preserved with care and must

accompany the machine whenever it changes hands.

In order to keep the Manual in good condition, it must be handled carefully with clean hands

and taking care not to place it on dirty surfaces. No parts of the Manual may be removed, torn

out or modified without permission. The Manual must be filed in a place protected against

moisture and heat, in the immediate vicinity of the relevant machine. If necessary, the

Manufacturer can provide additional copies of the Operator’s Manual on request from the

User.

3.4 OPERATOR’S MANUAL UPDATE PROCEDURE

The Manufacturer reserves the right to modify the machine’s design and make improvements

to the machine without notifying the Customer and without updating the Manual already

delivered to the user. However, in the event of changes arranged with the Manufacturer and

made to the machine installed on the Customer’s premises which require modification of one

or more chapters of the Operator’s Manual, the manufacturer shall send the revised chapters

to holders of the Operator’s Manual along with the new overall revision history form. The user

is responsible for following the instructions accompanying the updated documentation,

replacing the updated table with the new revision index, the initial page and the old chapters

with the new ones.

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3.5 INTENDED USERS

This Manual is intended for the Skilled Staff and Operator qualified for use and maintenance of

the machine. Some definitions that will be used in this manual are provided below.

EXPOSED PERSON EXPOSED PERSON means any person wholly or partially in a danger zone

OPERATOR OPERATOR means the person or persons given the task of installing, operating, adjusting, maintaining, cleaning, repairing or moving machinery

SKILLED STAFF or SKILLED OPERATOR

SKILLED STAFF or SKILLED OPERATOR means those people who have attended specialized courses, training, etc. and have experience regarding the installation, start-up, maintenance, repair, transportation of the machine

Table 3.1 Intended users

3.5.1 QUALIFICATIONS OF INTENDED USERS

The machine is intended for industrial, thus professional and not general, use. It may be used

by skilled persons, who specifically:

Are legally of age

Are physically and mentally capable of performing tasks of specific technical difficulty

Have been suitably trained in the use of the machine

Have been deemed fit by the employer to perform the task assigned to them

Are capable of understanding and interpreting the Operator’s Manual and safety rules

Are familiar with the emergency procedures and their implementation

Have the skills required to operate the specific type of equipment

Are familiar with the relevant specific regulations

Have understood the operating procedures set out by the machine’s Manufacturer.

This manual may not be distributed or transmitted to third parties. Its use is authorized only

within the Customer’s company.

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3.6 DEFINITIONS AND PICTOGRAMS

This point lists uncommon terms or terms which are used in senses other than their commonly

accepted meanings.

Below is an explanation of the abbreviations used and the meaning of the pictograms that

indicate the operator’s qualification, machine status or any prohibitions/obligations/dangers

for the operator.

These terms and pictograms allow a swift, clear understanding of the information required for

correct, safe use of the machine.

3.6.1 DEFINITIONS (ANNEX I P. 1.1.1 DIR. 2006/42/EC)

HAZARD A potential source of injury or damage to health

DANGER ZONE Any zone within and/or around machinery in which a person is subject to a risk to his health or safety

EXPOSED PERSON Any person wholly or partially in a danger zone

OPERATOR The person or persons given the task of installing, operating, adjusting, maintaining, cleaning, repairing or moving machinery

RISK Combination of the probability and degree of an injury or damage to health that can arise in a hazardous situation

GUARD Part of the machinery used specifically to provide protection by means of a physical barrier

PROTECTIVE DEVICE Device (other than a guard) which reduces the risk, either alone or in conjunction with a guard

ENVISAGED USE The use of machinery in accordance with the information provided in the instructions for use

REASONABLY FORESEEABLE MISUSE

Use of machinery in a way not intended in the instructions for use, but which may result from readily predictable human behaviour

MANUFACTURER Natural or legal person who designs and/or manufactures a machine or partly completed machinery covered by this Directive, and is responsible for the conformity of the machine or partly completed machinery with this Directive for the aims of placing on the market under their name or under their brand or for personal use. In the absence of a manufacturer as defined above, manufacturer shall refer to a natural or legal person who places on the market or commissions a machine or partly completed machinery covered by this Directive

PLACING ON THE MARKET

First making available a machine or partly completed machinery within the EC for the purpose of distribution or use, against payment or free of charge

COMMISSIONING First use of a machine under this Directive, conforming to its envisaged use, within the EC

Table 3.2 Definitions

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Additional definitions

MAN-MACHINE INTERACTION

Any situation in which an operator interacts with the machine in any operating phase at any time during its service life

OPERATOR SKILL LEVEL

Minimum skill level the operator must have to perform the operation described

NUMBER OF OPERATORS

Minimum number of operators considered suitable for optimal performance of the operation described, resulting from a careful analysis by the manufacturer. Consequently, the use of a different number of workers may prevent achievement of the expected result or put the safety of the staff involved at risk

MACHINE STATUS The machine status includes the operating mode (such as automatic operation), jog operation, stop, etc., and the status of the safety features on the machine, such as protective devices enabled, protective devices disabled, emergency stop button pressed, type of isolation of energy sources, etc..

RESIDUAL RISK Risks that remain despite the inherent safe design measures, safeguards and complementary protective measures adopted

SAFETY COMPONENT a component: - that serves to fulfil a safety function; - the failure and/or malfunction of which endangers the safety of

persons (e.g., lifting equipment; fixed, movable or adjustable protections, or electric, electronic, optical, pneumatic and hydraulic devices interlocked with a guard, etc.)

Table 3.3 Additional definitions

SPECIAL TECHNICAL DEFINITIONS FOR LASER SYSTEMS

EMITTER DIODE A diode that emits laser light

WAVELENGTH Unit of measure that characterizes electromagnetic radiation

LASER PULSE Finite-time laser emission, characterized by a duration and maximum energy value

WAVEFORM Laser parameter that identifies a precise duration of the pulse and the maximum energy value

LED Light emitter diode, also with lighted display functions

LASER SOURCE Group of elements that contribute to the generation of the laser beam

LASER POINTER Laser beam of visible red light (632-650 nm) used for indicating the area that will be irradiated by the laser

Table 3.4 Special definitions for laser systems

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3.6.2 PICTOGRAMS

Descriptions preceded by a symbol contained in a square/rectangle provide: very important

information/instructions, particularly regarding safety. A superficial or complete lack of

understanding of the descriptions may lead to failure to follow the instructions provided, and

therefore may entail:

hazards for the operators’ safety

forfeiture of contractual warranty

declination of manufacturer’s responsibility.

The operator qualification pictograms are summarized in the table below. Anyone coming

within the radius of action of the machine is required to have complete awareness and

understanding of the contents of this manual.

To facilitate consultation of the manual, the sections within which staff can find information

specific to their scope of operation will be preceded by the pictogram with the respective

description.

OPERATOR QUALIFICATION PICTOGRAMS

SYMBOL DESCRIPTION

Unskilled worker: Worker with no specific skills or training concerning lasers, capable only of performing simple tasks, with the machine powered off, and in any case following instructions agreed upon with the laser safety manager.

Lifting and handling equipment driver: Worker qualified to use material and machine lifting and handling equipment (in strict compliance with the manufacturer’s instructions) in accordance with the relevant legal requirements in the country of the machine’s user.

Laser machine operator: Operator with specific skills and sufficient work safety training who is capable of performing operational tasks using machines equipped with a laser source. The Laser machine operator is qualified to operate the machine using the control panels (display, touch screen, push-button panels, etc.) and capable of loading and unloading the materials used during production. He carries out these operations with the protections installed and active. He is not qualified for any other uses of the machine.

Maintenance worker: Qualified technician capable of operating the machine in normal conditions and using it in JOG mode, if necessary, with the protections disabled. The Maintenance worker is capable of intervening in the event of malfunction or to prevent malfunctions of both the mechanical parts as well as the electrical and electronic parts. He is capable of making adjustments, restoring and replacing parts or assemblies or performing the necessary repairs to ensure proper operation of the machine as per the specifications.

Manufacturer’s technician: Qualified technician provided by the manufacturer to perform complex procedures in particular situations and any tasks agreed upon with the user on each occasion. The manufacturer’s technician may have mechanical and/or electrical and/or electronic and/or software expertise, as appropriate.

Laser safety manager: Expert, nominated by the company in writing, assigned to the prevention of risks caused by the use of the laser. The Laser safety manager is responsible for assessing and supervising these risks and ensuring proper use of the protective devices and safeties set up for the staff’s safety and to prevent property damage relating to use of the laser.

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Table 3.5 Operator qualification pictograms

MACHINE STATUS PICTOGRAMS

SYMBOL MACHINE STATUS

Machine off: with electricity and compressed air supplies switched off.

Machine on: with electricity and compressed air supplies connected and in safe stop condition triggered by open movable guards (specifying which); JOG mode not enabled; fixed guards closed.

Machine on: with electricity and compressed air supplies connected and in safe stop condition triggered by mushroom-head emergency button in locking position or by another control device provided for this purpose, located near the working area (specifying the emergency button or device to be used).

Machine running: operating in automatic mode, movable guards closed with the relative interlock devices activated and fixed guards closed.

Machine running: operating in JOG mode, movable guards closed with the relative interlock devices activated and fixed guards closed.

Machine running: operating in JOG mode, one or more excludable movable guards open (specifying which) with the relative interlock devices deactivated, any other movable guards closed with the relative interlock devices activated and fixed guard closed.

Machine on: at a standstill and ready to start (standby condition) through activation by an operation enable signal (e.g., product present), movable guards closed with safety devices active and fixed guards closed.

Table 3.6 Machine status pictograms

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SAFETY PICTOGRAMS

Pictograms inside a triangle warn of DANGER.

Pictograms inside a circle indicate a FORBIDDEN OR MANDATORY ACTION.

PICTOGRAM DESCRIPTION

Warning: electrical hazards

Warning: potentially hazardous situation

Laser source hazard

Generic prohibition

Safety gloves must be worn

Eye protection must be worn

It is mandatory to wear a mask

The instructions provided must be read very carefully

Very important instructions to be read carefully

Table 3.7 Safety pictograms

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4 GENERAL INFORMATION

4.1 MANUFACTURER’S NAME AND ADDRESS

MANUFACTURER SISMA S.p.A.

REGISTERED OFFICE AND HEADQUARTERS

Via Dell’Industria, 1 36013 PIOVENE ROCCHETTE - VI - Italy

CALL CENTER

Tel: +39 0445 595511

Fax: +39 0445 595595

CONTACTS

E-mail: [email protected]

web: www.sisma.com

LOGO

4.2 MACHINE IDENTIFICATION DATA

Each machine is identified by a CE nameplate indelibly marked with the relevant data (see

Figure 4-1).

This data must always be provided in communications with the manufacturer or after-sales

service centres.

Figure 4-1 CE plate (facsimile)

The nameplate shown above is only representative of the plate which will be attached to the

machine.

To find the correct data, read the values directly on the attached nameplate.

System name/description Machine model Serial number (unique) Year of manufacture Power supply voltage: voltage frequency Power consumption Maximum current Protection fuse rating Protective gas system pressure Compressed air system pressure Breaking capacity

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4.3 DECLARATIONS

The machine has been designed and built in compliance with pertinent Community Directives

applicable at the time of its introduction on the market.

With regard to the Machine’s conformity with the Low Voltage Directive 2014/35/EC, please

examine Annex 14.1 which contains a facsimile of the original Declaration.

4.4 TECHNICAL STANDARDS

The machine has been constructed in conformity with the Technical Standards and Directives

listed below:

STANDARD TITLE:

CEI EN 61010-1 (2006) Safety requirements for electrical measurement and control equipment and for laboratory use - Part 1

EN 61000-6-2 EN 61000-6-4

Electromagnetic compatibility (EMC)

IEC 60825-1 Safety of laser products - Part 1 Equipment classification and requirements

Table 4.1 Technical reference standards

DIRECTIVE TITLE:

2014/35/EU Low Voltage Directive

2014/30/EU Electromagnetic Compatibility Directive

2002/95/EC RoHS Directive

Table 4.2 EC Directives

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4.5 AFTER-SALES SERVICE INFORMATION

Machines are covered by a warranty as specified in the general conditions of sale. If

malfunctions or failures of machine parts covered by the warranty occur during its period of

validity, after performing the appropriate checks on the machine, the Manufacturer will repair

or replace the defective parts.

It should be remembered that any modifications made by the user without the manufacturer’s

explicit authorization lead to loss of warranty cover and relieve the manufacturer of any

liability for damage caused by the faulty product.

This applies in particular when said modifications are made to safety devices, reducing their

effectiveness.

The same applies to the use of non-original parts or parts other than those specifically

recommended by the manufacturer as SAFETY DEVICES.

For all these reasons, customers are advised to always contact our After-Sales Service

([email protected]).

4.6 ITEMS TO BE PREPARED BY THE CUSTOMER

Unless otherwise agreed by contract, the Customer is normally required to provide the

following, at its expense:

Preparation of the premises, including any building works and/or ducting.

Electricity supply for the machine, in accordance with the relevant legal requirements in

the country of use: a ground connection system is required as well as differential

protection for the TT/TN systems.

Fume and dust extraction system (MANDATORY)

For certain work processes, the machine may require an auxiliary gas connection

(nitrogen/argon/oxygen according to the processing). A connection should be provided to

a system compliant with current regulations

Preparation of access routes to the installation location, any lifting equipment necessary

or the suitable number of operators agreed upon with external staff assigned to

installation operations or the support service

Legislative Decree 81/08 Consolidated Law on occupational safety, sets forth the

obligation for the employer to perform the Risk Assessment for Lightning Protection based

on Standard IEC EN 62305-2:2012 (CEI 81/10-2) “Protection against lightning Part 2: Risk

assessment”

Based on the results of said assessment, the required measures must be taken, always

borne by the employer of the company using the machinery

Work stool (height adjustable from 60 to 90cm, with foot stand) should it be required for

ergonomic use of the machine

The use of class IV laser systems requires the allocation and demarcation of a specific

controlled area, suitably interfaced with the equipment, that provides an environment

protected from accidental access by unauthorized personnel during normal operation.

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5 SAFETY

5.1 GENERAL SAFETY INSTRUCTIONS

Before commissioning the machine, read the instructions provided in this Manual carefully

and strictly follow these instructions.

When designing this machine, the manufacturer has made every effort to render it

INTRINSICALLY SAFE.

It has also equipped the machine with all the guards and safety devices considered necessary

and provided the information required to allow safe, correct use of the machine.

To that end, for every man-machine interaction the following information is provided in every

chapter where necessary:

Minimum skill level required for the operator

Number of operators required

Machine status

Residual risks

Required or recommended personal protective equipment

Prevention of human errors

Forbidden/mandatory procedures relating to reasonably foreseeable misuse.

These requirements must be strictly complied with.

To help ensure safe use of the machine, the user may supplement the information provided by

the manufacturer with additional working instructions as appropriate. Naturally, any such

instructions must not conflict with the contents of the Operator’s Manual.

For example, great care must be taken concerning the clothing worn by anyone working on the

machine:

Do not wear garments with loose parts which may become entangled on parts of the

machine

Do not wear ties or other hanging parts of clothing

Do not wear large rings or bracelets which may cause the hands to become entangled with

parts of the machine.

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When necessary, the Manual will provide further recommendations to be followed by the user

concerning preventive measures, personal protective equipment, information intended to

prevent human error and forbidden conduct related to reasonably foreseeable misuse.

In all cases, the following rules must be strictly followed:

It is strictly prohibited to operate the machine in automatic mode with the fixed and/or

movable guards disassembled or disabled

Disabling the safety devices installed on the machine is absolutely forbidden

Cleaning operations must be performed with the electrical and compressed air cut-off

devices disconnected

Do not modify parts of the machine for any reason; the manufacturer will not be liable for

any consequences in the event of a malfunction due to failure to follow this rule. The

manufacturer should be contacted to request any modifications

Clean the machine’s casings, control panels and controls with soft, dry cloths

Position the machines as determined at the time of order, following the diagrams supplied

by the manufacturer; otherwise no liability is accepted for any malfunctions.

The manufacturer accepts no liability for injury or damage caused by the machine in the

event of the following:

Use of the machine by staff who are not suitably trained

Misuse of the machine

Defects in the electric power supply of the installation site

Incorrect installation

Shortcomings in routine maintenance

Unauthorized modifications or work on the machine

Use of non-original parts or parts not specified for the model

Total or partial failure to follow the instructions

Use in violation of specific national legal requirements

Natural disasters and exceptional events.

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5.1.1 GENERAL RULES

Moving parts must always be used in accordance with the manufacturer’s instructions as

provided in this Manual, which must always be available in the installation area.

All safety equipment installed on moving parts to prevent accidents and ensure safety must

not be modified or removed, but must be suitably maintained.

The user must promptly report any defects or malfunctions of moving parts to their direct

superior or employer.

5.1.2 CHECKS AND INSPECTIONS

Checks and inspections must be performed in accordance with Pt. 8.3 of this Operator’s

Manual.

If worn or faulty parts are not promptly replaced, the manufacturer does not accept any

responsibility for damage caused by any resulting accidents.

The checks must be carried out by an expert; they must be visual, instrumental and functional,

with the aim of ensuring the machine’s safety.

The inspections include:

Inspections of all load-bearing structures, which must be free from all cracks, breakages,

damage, deformation, corrosion, wear or other deterioration of their original

characteristics

Inspection of all mechanical parts

Inspection of all safety devices (mechanical, electrical, electronic, etc.) installed on the

machine

Check of all the connections and joints with pins and screws

Functional inspection of the machine

Inspection of the machine’s condition

Verification of the seal and efficiency of the pneumatic and/or hydraulic system.

If any anomalies are found, they will have to be eliminated by an expert before putting the

machine back into operation.

If the person performing the inspection finds cracks or anomalies, he must promptly notify the

machine’s manufacturer.

In the event of malfunction, put the machine out of operation and perform the appropriate

checks and/or repairs.

At the end of the maintenance work or machine shutdown, check to ensure that nothing (part,

spare piece, tool, etc.) is left between the moving parts or in the work chamber.

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To ensure that the machine operates in conditions of maximum safety, it is FORBIDDEN for

anyone to do the following:

Tamper with any part of the machine

Leave the moving parts unattended

Use the machine when it is not in perfect working condition

Modify the machine to change its originally specified use, without explicit authorization

from the Manufacturer

Move the moving parts manually in the event of a power outage.

5.1.3 PROHIBITIONS OF USE

The machine must not be used:

without having previously consulted this Operator’s Manual

with methods or for uses not described in this manual

in an explosive or corrosive atmosphere or an atmosphere with high concentration of dust

or oily substances suspended in air

in a fire-hazard atmosphere

for the processing of potentially explosive materials or materials that react to laser

radiation with flames or spattering incandescent material

exposed to bad weather

with the safety devices disabled or not working

with electrical bridges and/or mechanical means that exclude equipment/parts of the

machine.

5.2 SAFETY COMPONENTS

Safety components, as specified below by the Machinery Directive, are set out in Pt. 6.3.

Definition of “safety component” extracted from Directive 2006/42/EC:

intended to fulfil a safety function

placed on the market separately

the failure and/or malfunction of which endangers the safety of persons.

SAFETY EN 01 25/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.3 SIGNS

The signs that must be installed near the machine and the machine’s work zone are the

following:

SIGN TYPE MEANING

HAZARD

Laser beam hazard

Electricity hazard

LASER OBLIGATION

It is mandatory to wear protective gloves

It is mandatory to wear safety goggles

It is mandatory to read the instructions

LASER

Presence of a class IV LASER source

Warning of the presence of invisible laser radiation with the relevant technical parameters

Laser beam aperture position

Table 5.1 Installed signs

SAFETY EN 01 26/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.4 LASER

5.4.1 CLASSIFICATION

The classification of lasers is based on the concept of accessible emission limit (AEL), which is

defined for each laser class. The AEL considers not only the emission of the laser produced but

also human access to this emission.

Lasers are grouped into 7 classes: the higher the class, the greater the possibility of causing

damage. The risk to users can be greatly reduced by adopting additional measures of

protection, including supplementary controls, for example, in the form of casings.

The LM-D machine is classified as a class 4 LASER.

HAZARD PROTECTION MEASURES

Class 1 Harmless in normal operation No special measures required

Class 1M Harmless without optical instruments Warn persons using optical instruments

Class 2 Harmless if exposure is momentary Do not look directly at the laser beam

Never direct the laser on the face

Class 2M Without optical instruments: as for class 2

Warn persons using optical instruments

Class 3R Limited hazard Apply the principle of justification. Should be used only by qualified personnel

Class 3B Direct beam always hazardous to eyes

Scattered radiation potentially hazardous

Appoint a safety officer

Cordon off the area of use with architectural barriers

Avoid reflective surfaces

Prevent access by unauthorized persons

Declare the presence of lasers at the entrance

Limit usage only to qualified personnel

Wear protective goggles

Prevent the beam from passing at eye level of standing or seated persons

Class 4 Beam hazardous to eyes and skin

Scattered radiation hazardous to eyes

Fire hazard

The same precautions as for Class 3B

Mandatory use of PPE (personal protective equipment)

Table 5.2 Laser classification

SAFETY EN 01 27/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.4.2 GENERAL SAFETY MEASURES AND PRECAUTIONS

In the possession and use of class 4 lasers, the following general precautions must be adopted:

do not view the laser beam directly

use specific precautions for invisible laser light

use observation optics (microscopes, lenses, …) equipped with safety devices (filters,

attenuators)

avoid direct exposure of the eye and skin to direct, reflected and scattered radiation

take particular precautions to prevent fire risks

use any necessary PPE (see Pt. 5.6).

The Operator must follow all the instructions provided and in particular:

wear the PPE and preserve it carefully, checking its condition before and after each use

never observe the laser beam through fibre optics or focusing systems (telescopes,

microscopes, etc.) without the manufacturer’s authorization, nor observe the beam

directly, even if wearing the safety goggles

take care to avoid uncontrolled and accidental reflections (do not wear watches, etc.)

do not remove or modify the protective devices and interlocking devices and do not

perform any operations which are beyond your competence or could compromise safety

notify the manufacturer of any protective devices that are not working or damaged as well

as of any hazards you may become aware of; in the meantime, the use of the machine

must be suspended and any immediate hazards must be eliminated

ensure that the laser, when not in use, is disabled so as to prevent unauthorized use or

accidental switch-on

ensure that the rooms are cleaned only when the laser is switched off.

Visitors must follow the instructions provided by the Manager and Operator, and in particular:

wear the PPE

never observe the laser beam through fibre optics or focusing systems (telescopes,

microscopes, etc.), nor observe the beam directly even if wearing safety goggles

take care to avoid uncontrolled and accidental reflections (do not wear watches, etc).

SAFETY EN 01 28/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.4.3 HAZARDS RELATED TO THE USE OF A LASER DEVICE

Regarding the risks related to using the laser, in Italy the recommendations contained in the

guides CEI 3849R and 3850R must be followed. In other countries, the corresponding guides in

force must be followed.

The Generator is a class 4 laser device with a high optical radiation power. This laser

radiation has a wavelength of 1060-1070 nm and is located in the infrared area. It is

therefore not visible to the human eye.

This characteristic renders it particularly dangerous in that its invisibility does not allow for

any involuntary defensive reactions of the eye which, if hit, will suffer irreparable damage.

The human eye is particularly sensitive to the risks involved in infrared laser radiation

(invisible), as this form of radiation is particularly concentrated by the crystalline lens and

focused on the retina. Extensive irradiation of the retina produces extreme local overheating

and the burning of retinal tissue which means a partial or complete loss of eyesight.

Thus it is recommended that the personnel, during all operations carried out on the open

laser (adjustment, maintenance, repairs), wear laser safety goggles for the appropriate

wavelength.

In the path of the invisible laser beam there may also be introduced the visible pointer

beam (red) with lower power. If observed for a long time, the secondary visible radiation

may cause dazzling.

DANGER TO THE SKIN

The most appropriate laser safety gloves must be selected based on the indications of

standard EN 12477.

There is danger in case of:

direct laser beam

reflected laser radiation

scattered laser radiation.

The skin can take significantly more radiation than the eye. However, it too is subject to the

risk of the destruction of tissue through burning according to exposure time and intensity of

radiation.

Suitable protective clothing should be worn to protect the skin. Safety gloves offer adequate

skin protection, although direct radiation should be avoided.

The minimum recommended level of protection for the laser in question is:

1064 nm - I 5,0 x 105 J/m2

SAFETY EN 01 29/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

DANGER DUE TO SECONDARY RADIATION: During laser processing, as affirmed, both direct

and secondary radiation occurs, with the secondary radiation occurring in the same

wavelength range as the direct radiation.

DANGER TO THE EYES

The instructions of standards EN 166, EN 207 and EN 208 must be followed in order to choose

the most appropriate laser safety goggles. Utmost attention must be paid to the indelible

marking placed on each pair of goggles.

By way of example: D633L5 + DI700-1100L7 indicates that the goggles guarantee protection

for continuous operation (D) only, at the wavelength of 633 nm with optical density 5, and at

the same time in the wavelength interval of 700 nm - 1100 nm both in continuous and pulsed

mode (DI) with optical density equal to 7.

The filters for laser safety goggles are differentiated as follows:

glass filters that offer high levels of protection and optimal light transmittance

polycarbonate filters which are more lightweight than glass filters, offer good levels of

protection and good light transmittance, and can be used with more ergonomic models of

safety goggles.

The safety goggles required for use with the laser provide protection from direct, reflected

and scattered radiation. Avoid looking directly at the beam even when wearing the safety

goggles. Intense laser radiation can destroy the protective filter.

The minimum recommended level of protection for the laser in question is:

1064 nm - IR LB8

In the case of presumed or certain lesions produced by laser radiation:

Turn off the laser

Immediately inform the senior managers, the persons responsible for protective

measures for the laser, the company doctor and the person assigned to laser safety

Consult a doctor or a specialized clinic.

SAFETY EN 01 30/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

FIRE HAZARD

The high output power of the laser can burn a large quantity of different materials and

therefore, with open beam path, special fire measures must be taken.

Paper (wiring diagrams, notes or posters hung on the walls), curtains not coated with anti-

inflammatory substances, thin wooden panels and similar materials may all take fire easily on

direct or reflected radiation.

The operations area of the laser beam must not contain containers with solvent substances or

potentially explosive or inflammable detergents even in the course of maintenance.

If there are any solvents or detergents in the area in which the laser is being used, the

respective warnings provided on the containers must be followed.

Should the invisible laser beam at high intensity inadvertently strike one of such containers it

could perforate it and immediately create conditions for a fire to break out or explosion to

take place.

The following extinguishers must be located near the machine and ready for use:

CO2 extinguisher (fire class B) for fires of the dust suction filter or small fires

Powder extinguisher (fire class A, B, C) for the risk of igniting hot waste generated during

the laser processing

A bucket of dry sand (minimum 20 l) or extinguisher (class D) for metal fires.

Combustion due to flames and overheated components:

Keep the fire extinguisher ready

Touch the hot components only with protective gloves on.

Procedure:

Release the shot control

Press the emergency button (if your hands are inside the work chamber)

Switch off the main power switch

Prepare the CO2 extinguishers

Remove the safety system of the CO2 spray extinguisher

Direct the spray onto the flame or into the suction conduit (if present on the system being

used), if the fire has broken out inside the conduit, and discharge the extinguishing spray.

SAFETY EN 01 31/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.4.4 LASER SAFETY MANAGER

For the use of the Laser Generator, the Company must nominate a person in writing who is

expert in matters of safety of laser devices, and has the function prescribed in the standards in

force in the Country of use. For Italy, the functions of the Personnel assigned to laser safety are

set out in the in the Consolidation Act on Safety at Work, Legislative Decree 81/2008.

The personnel assigned to laser safety must have the required knowledge to evaluate and

check the risks caused by the laser and has the responsibility to supervise the checking of

these risks.

The person assigned to laser safety assumes total responsibility for the safe use of a laser

device and the necessary protective measures required including those involving the safety

and integrity of the personnel assigned to its use.

The training of personnel assigned to laser safety must be guaranteed by an appropriate form

of training by the Manufacturer of the Laser Generator or by Companies with the required

authorization (for example Companies insuring against Accidents in the Workplace).

5.4.5 CONTROLLED AREA

According to standard EN 60825-1, to which the lasers refer, class 4 devices must be used in

well-defined and suitably prepared areas.

The work area must only be accessible to qualified personnel instructed in the use of the laser.

The area must also be enclosed with suitable guards sized according to the parameters of the

laser source.

The access to the class 4 laser zone must be designed so that the opening of the access door or

a mobile guard is detected by a safety system that stops the laser emission before any danger

can be caused to personnel.

The design criteria for this safety system must comply with standard EN ISO 13849-1.

If the presence of an operator is necessary inside the class 4 laser area, personal protective

equipment such as goggles, gloves and other protection should be worn.

The technical features of the PPE must be selected based on the laser parameters and the

operator exposure scenario.

The LM-D Open laser has inputs designed for connection to an interlock on the access door to

the laser area. A further outlet is provided for the installation of an optical warning device near

the access to the area.

Refer to the wiring diagram for more details about these connections.

SAFETY EN 01 32/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.5 RESIDUAL RISKS

Care must be taken regarding the following residual risks which are present when using the

machine but cannot be eliminated:

Electrical risk from live parts – Pt. 5.5.1

Risk related to handling processed pieces – Pt. 5.5.2

Risk from hazardous substances – Pt. 5.5.3

Danger of formation of harmful gas and vapours – 5.5.4

5.5.1 ELECTRICAL RISK

WARNING: ELECTRICAL RISKS DUE TO LIVE PARTS

Any operations on the machine’s electrical panel must be carried out by skilled staff only,

and in any case with the machine’s power supply device disconnected. Also remove the

connection upstream of the disconnect switch before carrying out any operation on it or the

relevant input cables (as these remain live).

5.5.2 RISKS RELATED TO HANDLING PROCESSED PIECES

The processed pieces may be dangerous. The damage they can cause varies according to the

dimensions of each processed piece:

Pieces with sharp corners can have sharp edges and entail the risk of injury

Pieces which are overheated by the processing entail the risk of burns.

Operators are required to wear appropriate personal protective equipment, therefore use

the gloves. Use auxiliary tools for removing the piece and avoid direct contact with hot

surfaces.

SAFETY EN 01 33/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.5.3 RISK FROM HAZARDOUS SUBSTANCES

During processing, heavy metal vapours may be released that are dangerous to the organs and

tissues of the body and are normally extracted and treated with an extraction system.

Failed operation of the extraction system involves the danger of inhalation in the airways of

gas and particles harmful for health. Therefore, only carry out the work when the fume and

dust extraction system is perfectly efficient.

5.5.4 DANGER OF FORMATION OF HARMFUL GAS AND VAPOURS

The laser radiation produced by the machine can melt, burn or evaporate practically any

material. As a result, gases and vapours may form which, depending on the composition of the

initial materials, could be detrimental and harmful to the health of any exposed person.

The fumes or vapours that are produced during use must be removed from the machine with a

suitable extraction and filtering system conforming to regulations, to avoid harm to the

operator’s health (particularly the respiratory passages) and to the optical systems.

WARNING: hazardous substances

The processing of non-metal materials, plastics in particular, may create gases or vapours

that are detrimental or harmful to health.

The user must make the measurements independently and, if necessary, take appropriate

precautions to protect the personnel.

Appropriate extraction and filtering systems are mandatory for use of the machine, in

conformity with the current regulations covering the specially prepared extraction system.

SAFETY EN 01 34/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.6 PERSONAL PROTECTIVE EQUIPMENT (PPE)

PPE must be used when the risks cannot be avoided or sufficiently limited by technical

measures of prevention, means of collective protection, or measure, methods or procedures

of work organization.

Therefore, considering the protective measures adopted to minimize the risks, the use of

appropriate warning and obligation signs as well as the appropriate training for use of the

machine and information provided on the possible risks, the following PPE must be used:

Protective gloves required

Appropriate safety goggles must be worn (laser class 4 only)

Safety shoes must be worn

Protective clothing must be worn.

SAFETY EN 01 35/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.7 ORGANIZATIONAL MEASURES FOR THE USER

5.7.1 OBSERVE THE SAFETY SIGNS

Certain activities may be a source of danger during operation. In this manual, the instructions

regarding these activities are preceded by specific warnings, and hazard signs are located on

the machine.

5.7.2 OPERATOR TRAINING AND EDUCATION

These measures are valid worldwide.

The user must implement the following measures before the personnel begins work on the

machine:

Train the personnel appropriately

Inform the personnel about the hazards and safety measures

Ensure that the Personal Protective Equipment (PPE) is available at all times

Ensure that the personnel wear the PPE

Regarding the machine, define responsibilities for the safety, operation, maintenance,

setting and service of the machine

Require the personnel to read the Instructions Manual of the machine. After reading the

manual, the user should collect signatures from the personnel confirming that they have

read the manual

Inform the personnel about the protective measures against optical radiation

Educate the operator about the operating processes of the laser

Use the radiation protections correctly, keep the protective lenses clean using the

appropriate paper (included in the supply), check the condition of the safety goggles

Train the personnel about the accident prevention procedures

Explain the biological effects of laser radiation on the eyes and skin

For any troubleshooting and error correction, make use of the manufacturer’s assistance

by requesting the teleservice between the machine and the Technical Service department.

When control of the machine is taken over by the Technical Service department, the user

is informed about the operating sequence and possible risks involved. The user must

provide safety instructions to the operators involved in the process with the Technical

Service department.

SAFETY EN 01 36/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.8 DILIGENCE IN THE USE OF THE MACHINE

INSPECTION OF THE DANGER ZONE AND SAFETY DEVICES

Before starting the machine, the personnel must always check that nobody is in the danger

zone.

The operator must operate the machine only if the safety devices are present. The safety

devices must not be disassembled or disabled.

Once during each shift, preferably at the beginning of production:

Check that the safety devices are operating correctly

Make certain that the tools have been set and equipped correctly considering the work to

be carried out

Check the integrity and proper functioning of the laser protection barriers described in Pt.

6.4 (except for internal filter KG3).

SAFETY EN 01 37/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.9 GUARANTEE OF IMPECCABLE CONDITION

The Client:

must guarantee that the machine is installed in compliance with the installation plan and

conditions

must guarantee that the works on the machine are carried out only by authorized

operators

is obligated to replace any of the machine’s hazard signs that are damaged or missing

the operators assigned by the same must use the machine in perfect working condition

is obligated to guarantee a clean and orderly work station for the machine through

suitable controls and instructions

is responsible for sufficient air renewal in the work areas.

The operating personnel:

must immediately inform the person responsible of any changes (including operating

conditions) made to the machine. The machine must be checked, at least once every shift,

for any anomalies or damage visible from the outside

is obligated to check and ensure that there are no worn parts before each use.

COMPLIANCE WITH DISCONNECTION PROCEDURES

Whenever any work is performed on the machine (e.g.: adjustment and maintenance), follow

the prescribed disconnection procedures.

COMPLIANCE WITH WATER PROTECTION STANDARDS

The substances which are harmful for water (e.g.: oil, dust) must not infiltrate the soil or water

channels.

Comply with the current water protection regulations in the country of use of the machine.

SAFETY EN 01 38/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

5.10 PARTS, OPERATING MATERIALS

USE OF SPARE PARTS, ACCESSORIES AND SOFTWARE

The spare parts and accessories not authorized by the Manufacturer are not approved. The

assembly or use of external spare parts and accessories can modify the predefined

constructional characteristics of the machine and compromise safety.

Only software enabled for installation by the manufacturer can be installed.

LIABILITY DISCLAIMER

The manufacturer is not liable for any damage due to the use of non-original spare parts

and accessories or to sub-standard installation or replacement of manufacturer-authorised

spare parts.

The manufacturer is not liable for damage caused by the installation and running of

uncertified software.

USE OF AUTHORIZED OPERATING MATERIALS ACCORDING TO STANDARDS

The authorized operating materials (particularly the lubricants and detergents) must be used

as prescribed. If the manufacturer of the fluids and lubricants is subject to requirements

reported on a safety technical data sheet (1907/2006 REACH European Directive), follow the

instructions contained therein, such as:

Physical indications and safety techniques

Transport

Precautionary measures, storage and use

Measures in case of accident or fire

Toxicological and ecological data

Disposal code with prescribed type of disposal for the operating materials.

Note

The safety sheet can be requested from the manufacturer of the operating materials.

MACHINE DESCRIPTION EN 01 39/105

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LM-D

6 MACHINE DESCRIPTION

6.1 OPERATING PRINCIPLE

The Class IV Nd-Yag (Neodymium-Yag) laser welding machine provides pulsed light at a

wavelength of 1064 nm and a maximum average power of 60-80-85W (according to the

model).

Designed and built for welding or repair work, it welds cracks and marks with or without filler

material. The repaired piece may undergo further mechanical processes for complete

restoration.

The laser technology permits welding in particularly difficult areas and allows weld seams to be

made with smaller cross sections and very high-quality characteristics.

The laser source is designed to ensure high operational stability both at low and at high power.

The laser pulse transport system allows a smaller beam diameter together with greater laser

spot stability, both in starting transients and with various thermal loads on the laser source.

Figure 6-1 Some examples of production

MACHINE DESCRIPTION EN 01 40/105

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LM-D

6.2 MAIN COMPONENTS

The machine can be functionally divided into the following main parts:

Electrical rack and components

Laser resonator

Panel (touchscreen), operator interface display, software

Pneumatic, gas supply and conditioning components

Mechanical components (base and structural steelwork, work chamber).

The safety systems installed in the various functional units are interfaced and therefore failure

to use the machine according to the indicated modes and procedures could lead to machine

downtime or impaired performance.

MACHINE DESCRIPTION EN 01 41/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

6.3 SAFETY COMPONENTS

Safety components are components designed to ensure, with their use, the safe operation of

the machine and whose fault or malfunction compromises the health and/or safety of the

exposed persons.

The following safety devices are installed on the machine:

COMPONENT FUNCTION LOCATION

A Main power switch Power on/emergency shutdown

Machine exterior right-hand side

B Red mushroom-head button

Emergency stop Located inside the work chamber

C “Laser” key switch

Enabling Laser source

Located inside the work chamber

D Safety micro-switches Machine in stand-by Access door to the work chamber

1

Access door to the laser area2

1 LM-D/LM-D Vision

2 LM-D Open/LM-D Open Vision

Table 6.1 Safety devices

Figure 6-2 Safety devices

MACHINE DESCRIPTION EN 01 42/105

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LM-D

6.4 LASER SAFETY BARRIERS

The device is equipped with functional laser safety barriers. These provide greater safety to

the operator, ensuring ergonomic use and protection within the maximum optical exposure

limits (EMP) permitted by current regulations. The barriers included are listed below.

NOTE 1: as described above, tampering with or damage to the safety barriers is absolutely

prohibited. The barriers may only be replaced or repaired using material conforming to their

specific technical specifications. It is advisable to contact the manufacturer to obtain original

spare parts.

NOTE 2: The laser radiation from which the screens described offer protection is always

reflected or scattered radiation. These reflections are part of the natural interaction between

the laser and the material being welded. The laser radiation is therefore never direct

(scattered radiation).

NOTE 3: As scattered laser radiation is present, the general provisions described in chapter 5

must be observed. For the required characteristics of appropriate PPE for protecting eyes and

skin, see the technical data in Pt. 5.6.

Front laser protection window Certified wavelength: 920-1064 nm Optical density: OD6 Protection level: I R L7 Material: polycarbonate Reference standard: EN 207: 2009 Note: included on all versions.

Microscope protection filters Material: KG3 glass Optical density at 1064 nm: > 8 Thickness: 5.5 mm Note: included on all versions.

Figure 6-3 Laser protection barriers (shown in green)

MACHINE DESCRIPTION EN 01 43/105

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LM-D

6.5 MACHINE DIMENSIONS

Machine dimensions summary table:

MODEL WIDTH (W)

DEPTH (D)

HEIGHT (H)

LM-D 567 730 510

LM-D open 567 730 510

LM-DV 567 730 612

LM-DV open 567 730 612

LM-D Ready 567 744 512 Note: dimensions given in millimetres [mm]

Table 6.2 Machine dimensions

Figure 6-4 Dimension legend

Figure 6-5 Models: LM-D Open | LM-D | LM-DV | LM-DV OPEN

H

W

D

MACHINE DESCRIPTION EN 01 44/105

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LM-D

6.6 PANELS AND BUTTONS

The machine is equipped with:

A touch screen operator panel, used for processing and work settings (A)

A console located inside the work chamber, for use during the work process (B) to quickly

change the working parameters

A key for enabling the laser source (C)

A laser shot control foot switch (E)

Emergency stop (D).

Figure 6-6 Touch screen operator panel (the microscope version on the left, the Vision version on the right)

Figure 6-7 Internal operator panel, foot switch

The human-machine interface is provided by a colour touch screen operator panel through

which the user can interact with the various functions of the machine. The panel can execute

various functions according to the controls shown on the display on each occasion. To activate

the controls that appear, the operator must gently touch the sensitive area of the screen (also

while wearing gloves.

MACHINE DESCRIPTION EN 01 45/105

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LM-D

6.6.1 SOFTWARE

The instructions in this manual refer to the latest version available at the time of publication.

It should be noted that the following versions must be verified in order to correctly identify

the welder operating characteristics:

Panel software version

Laser controller firmware version

For use of the software, refer to the specific manual provided together with this document.

When the machine is switched on, the welcome screen appears at the end of the operator

panel start-up (Figure 6-8 – A). Automatically, after a few seconds, the working page appears

on the display, from which the operator can immediately begin to use the machine (Figure 6-8

– B).

Figure 6-8 Touch screen start page

Machines with software/firmware versions other than those cited above may exhibit

variations with respect to the contents of this document.

MACHINE DESCRIPTION EN 01 46/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

6.7 ELECTRICAL PANEL

The machine is equipped with an electrical box (A) accessible with a tool from the rear side.

Figure 6-9 Electrical panels

For more information, refer to the electrical diagram attached to this Manual.

6.8 VIBRATIONS

When used in conditions compliant with the instructions for correct use, the vibrations do not

give rise to hazardous situations.

6.9 SOUND EMISSIONS

The weighted equivalent continuous acoustic-pressure level A and weighted instantaneous

acoustic-pressure level C in the work stations are not such as to create a hazard for the

operators.

However, phonometric measurements will have to be taken in the work environment in

compliance with current standards in the country of use.

MACHINE DESCRIPTION EN 01 47/105

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LM-D

6.10 STANDARD SUPPLY

The machine is supplied complete for putting into service and comes with:

Operator’s manual for use and maintenance

Nameplate with CE marking;

Kit with standard supplied accessories, including the following:

CODE QUANTITY DESCRIPTION

185136 1 Black polyurethane hose with 3/8” straight male coupling

258656L

232302 2 Silicon O-ring

277026 1 2.5 mm Allen key

278211 1 Funnel with tube extension

292212L 1 Blister pack of lens cleaning paper

292318L 1 Protective glass for focal lens AR/AR 1064nm Ø 38.1x2 mm

292L001 2 Protective glass for LED modules Ø 18.5x1 mm

680651L 1 Key for changing LM-D resins

694942L 1 Spare resin cartridge

Table 6.3 List of supplied equipment

6.11 ELECTROMAGNETIC ENVIRONMENT

The machine has been designed and built to operate correctly in an industrial-type

electromagnetic environment, within the Emission and Immunity limits set forth by the

following harmonized standards:

CEI EN 61000-6-2 | Electromagnetic compatibility (EMC)

Generic standards - Immunity for industrial environments

CEI EN 61000-6-4 | Electromagnetic compatibility (EMC)

Generic standards - Emission standard for industrial environments

INSTALLATION EN 01 49/105

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LM-D

7 INSTALLATION

7.1 ENVIRONMENTAL CONDITIONS

The machine does not require particular environmental conditions. It must be installed inside

an industrial building with adequate lighting and ventilation as well as a solid, level floor.

The machine is suited to operate in environments with:

an altitude not exceeding 1000 m above sea level.

temperatures between + 15° and + 35°C and average temperature around 25°C

humidity limit as per the following table:

Temperature [°C] 15 (Tmin) 20 25 30 35 (Tmax)

Relative humidity [%] < 85% < 85% < 65% < 50% < 40%

Table 7.1 Temperature and humidity limits

Use of the machine is prohibited in environments with:

high dust concentration

corrosive atmosphere

fire risk

explosive atmosphere.

7.2 LIGHTING

Lighting of the installation premises must comply with the laws in force in the country of

installation of the machine and must:

assure good visibility in every point

not create hazardous reflections (dazzling)

allow a clear reading of the control panels

allow button/s, especially emergency ones, to be identified.

The machine is not equipped with integrated lighting as it does not have its own light sources.

The work environment must therefore have general lighting that can provide illumination of at

least 200 lux at every point of the machine.

General lighting that guarantees overall values between 200 and 300 lux at every point of

the machine is recommended.

INSTALLATION EN 01 50/105

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LM-D

7.3 PACKAGE

7.3.1 PACKAGE CHARACTERISTICS

The machine is delivered inside a wooden package that acts as a box.

The following tools are required in order to remove the packaging: a Phillips screwdriver, or

battery-powered screwdriver with proper insert, and scissors, or equivalent tool for cutting the

protective wrapping around the contents of the box.

GRAPHIC SYMBOLS in accordance with STANDARD UNI ISO 7000 which can be used on the

package:

Figure 7-1 Package graphical symbols

It should be taken into consideration that the machine positioning requires handling spaces

which are defined based on the overall dimensions of the package and its removable walls.

The package has the following external dimensions:

ORD. TYPE OF PACKAGE W x D x H

WEIGHT

A Cardboard casing on EU pallet 730 x 890 x 840 mm 22 kg

B Simple wooden crate on EU pallets 895 x 735 x 890 mm 35 kg

C Wooden crate for transport with accessories 1030 x 1500 x 940 mm 48 kg Notes: H=height – W=width – D=depth

Table 7.2 Package dimensions

Key: 1. Fragile, handle with care 2. This way up 3. Sling here 4. Keep dry 5. Centre of gravity 6. Do not roll 7. Stacking limit 8. Temperature limit

INSTALLATION EN 01 51/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

a

b c

Figure 7-2 Package structure 3 versions

It is recommended to store the original package in a suitable place to be able to use it for

any future removal of the machine. Using the original package allows the machine to be

protected from any accidental impacts.

It should be taken into consideration that the machine positioning requires handling spaces

which are defined based on the overall dimensions of the package and its removable walls.

When preparing the handling space, consider the external dimensions (WxDxH) of the package

which are specified in Table 7.2.

For removal of the packaging, follow the procedure described below.

The following tools are required in order to remove the packaging: a Phillips screwdriver, or

battery-powered screwdriver with proper insert (if the packaging is a wooden crate), and

scissors, or equivalent tool for cutting the protective wrapping around the contents of the box.

The correct sequence for removing the packaging is the following:

A. Cut the anchor straps

B. Remove the screws that fasten the top to the sides of the box

C. Remove the cover of the package

D. Cut the bag

E. Remove the sheet of protective material

F. Remove the box of accessories housed in the padding

G. Remove the screws that fasten the sides of the box to the bottom

H. Remove the machine

I. Remove the padding and wood bottom.

INSTALLATION EN 01 52/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.3.2 REUSING THE PACKAGE

To reuse the package, follow the procedures of the previous point in reverse, being very

careful to block the work chamber access door and reposition all the protections provided.

7.4 LAYOUT OF THE OPERATIVE AREA

The machine must be positioned on a completely levelled area. The floor must have sufficient

thickness and consistency to support the weight of the machine.

When positioning the machine, take into consideration the machine’s overall dimensions, the

power supply connection points (electrical, pneumatic, gas distribution, etc.) and clearance

and manoeuvring spaces for the operator to load and unload materials during the processing

phases.

In addition to material handling, the clearance spaces are also required for carrying out due

maintenance checks, ventilation and routine inspections or operations.

For specific dimensional data and organization of the work area, refer to the instructions

provided in Pt. 7.3.

Figure 7-3 Clearance spaces

The figure above shows a schematic representation of the machine positioning area. The

diagram is indicative for the clearance spaces only: with regard to any openings, air intakes,

safety exits and whatnot near the location of the machine refer to the current regulations in

the country where the machine is being used.

a 1800 mm

b 700 mm

c 700 mm

d 700 mm

e Overall device dimensions

f Operator area

INSTALLATION EN 01 53/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.5 TRANSPORT (HANDLING AND PLACEMENT)

When the machine arrives (as visible material or in a shipping crate, as the case may be), the

customer will be responsible for checking that there is no evident damage due to falling or

overturning during shipping. If any damage is found, the customer must inform the carrier and

immediately contact the supplier before opening the crate.

7.5.1 SAFETY REGULATIONS

The manufacturer is not liable for any breakage due to transport of the machine after delivery.

When unloading the machine from the means of transport and moving it within the factory,

particular attention must be paid to the following safety rules:

During lifting, the entire area surrounding the machine must be considered as a danger

zone

Keep the load as low as possible during the movements, for both better load stability and

greater visibility

All potentially movable elements or elements unable to withstand their own weight must

be solidly secured to the machine in order to prevent dangerous detachments or

unbalancing

During handling, do not stand within the overturn radius of the package or the machine

Use means and equipment suitable for the weight and dimensions of the package

Take care in positioning the coupling or slinging systems

Personal protective equipment (PPE) to be worn: gloves, safety shoes.

7.5.2 MACHINE HANDLING

The Machine can be transported simply by lifting it: this operation must be carried out by at

least two people (Figure 7-4).

It is specifically recommended to:

Pay careful attention to properly balancing the weight in order to prevent it from shifting

unexpectedly

Always use appropriate PPE.

INSTALLATION EN 01 54/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

Figure 7-4 Lifting the device

During movement, avoid collisions with walls, doors or any other objects.

The Manufacturer is not liable for damages caused to people or objects during movement or

breakage due to accidental collision.

7.5.3 PLACEMENT AND LEVELLING

The machine must be positioned on a completely levelled surface with sufficient thickness and

consistency to support the weight of the machine.

These operations should be carried out before connecting the machine to the various

energy/supply sources.

INSTALLATION EN 01 55/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.6 CONNECTIONS

7.6.1 ELECTRIC POWER SUPPLY

In order to operate, the machine must be connected to the electric power supply. This

connection is made with the provided power cord (Schuko plug):

electrical specifications: 1P+PE – 230V – 16A - 50Hz CEE 7-C19

Figure 7-5 Power supply

Connect the power supply connectors of the machine to a compatible industrial socket that

complies with current regulations of the country where the machine is being installed. The

product is switched on by turning the main switch clockwise (B).

The Customer is entirely responsible for the provision of a suitable earth connection system

in accordance with the provisions of the country of use for protection against indirect

contacts.

After the electrical connection has been made, it’s advisable to “protect” the power supply

cable so that it cannot be accidentally damaged during normal use of the Machine.

Connect the power supply connector of the machine to a compatible industrial socket that

complies with current regulations of the country where the machine is being installed.

Ensure the features of the power supply mains and earthing system (safety system) are

compatible with the machine’s rated data.

The power supply system must be adequate to withstand the maximum intended absorption

of the Machine and rated one as set out on the machine’s plate.

CAUTION!

Powering up the machine without cooling water will damage the water pump.

In compliance with standard EN 61000-3-11 and the indicated evaluation criteria, the device

must be connected to a power line with a maximum total impedance from the point of

distribution to the power outlet of 42 mΩ.

INSTALLATION EN 01 56/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.6.2 CONNECTION OF THE EXTERNAL EXTRACTION SYSTEM

During use, welding with the laser generates fumes or vapours that must be removed to avoid

damage to the operator’s health. For this purpose, the product is designed for the removal of

fumes and vapours from the work chamber and their capture by an external extraction system.

An electric control signal for an external system is also provided through a connector

positioned on the rear of the device (A): the parameters for enabling the system and the

operating time can be set through the software (Pt. 8.9). For the electrical connection, use the

following connector model:

Manufacturer Product code

ILME 4 pole male insert CKM 03

Plastic cover CK 03 VS

The user has the task of verifying the compatibility of the control output with the prepared

extraction system. An improper connection could damage the device. For more information,

see the wiring diagram.

In the case of an extraction and filtering system provided by the manufacturer as an accessory

to the device, this will be supplied ready for connection to the interface connector.

Figure 7-6 Fume extraction connector

On the OPEN models in the range, an extraction nozzle can be attached to the provided

attachment in the work chamber. This enables greater efficiency in the capture of processing

fumes and dust. In addition, an attachment on the rear section permits easy connection of the

external extraction system.

The user has the task of positioning the extraction nozzle near the point where the work is

being done.

INSTALLATION EN 01 57/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

During the laser processing of particular types of metal materials, carcinogenic substances

may be emitted (e.g.: beryllium compounds, chromium/nickel compounds, zinc chromates):

it is recommended that you verify the existence of this potential hazard depending on the

materials being processed.

The user must make the measurements independently and, if necessary, take appropriate

precautions to protect the personnel.

In particular, it is recommended that you evaluate the composition of the fumes when:

processing metal substances treated with cutting oils, since the harmful fumes may

originate from the liquid lubricants themselves: for example, it is common for

hydrocarbons and aldehydes to be released;

processing plates coated with polyethylene films: in this case mainly aliphatic and olefinic

compounds are released (e.g.: methane, toluene, ethylene).

GAS PROTECTION METHOD

For harmful gases, properly sized molecular absorption filters should be prepared and

installed. Class F5-F9 particulate filters are required, tested in accordance with UNI EN 779, or

alternatively, class E10-H14 absolute filters (HEPA type), tested and classified in accordance

with UNI EN 1822.

INSTALLATION EN 01 58/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.6.3 SHIELDING GAS CONNECTION

Use a 6/4 diameter hose to connect the machine to the cylinder of shielding inert gas and

insert it into the outlet with a yellow ring (Figure 7-7 - A) at the rear of the machine.

The flow of the shielding gas is activated by the first contact of the foot switch, based on the

user parameter settings.

Figure 7-7 Shielding gas supply hose

The shielding gas supply system (normally argon) provided by the customer must have a

pressure of between 2 and 5 bar.

INSTALLATION EN 01 59/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.6.4 COMPRESSED AIR CONNECTION

Use a 6/4 diameter hose to connect the machine to the compressed air cooling circuit and

insert it into the outlet with the blue ring (Figure 7-8- A). Flow volume is controlled using the

black nozzle in the work chamber.

Figure 7-8 Compressed air supply hose

The compressed air supply system provided by the customer must have a pressure of

between 2 and 5 bar.

Figure 7-9 Detail of the compressed air supply

INSTALLATION EN 01 60/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.6.5 SAFETY DEVICE CONNECTION1

In order to use the machine, the safety contacts must be connected to the connector in the

work chamber as seen in Figure 7-10 (see the following photo and wiring diagram) and with

the signals described in Table 7.3. The following connector is supplied as standard:

Lumberg M12 RKCW 8/9

Figure 7-10 Safety device connection diagram

Figure 7-11 Standard safety device connector

NOTE: The contacts must switch at the same time. The contacts should only be closed if the

guards are closed in a safe position (For the choice of components regarding this function,

see standards EN 14119 and EN 60947-5-1).

1 Only for the OPEN model

INSTALLATION EN 01 61/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

POSITION DESCRIPTION

1 Safety switch (channel 1)

(1)

2

3 Safety switch (channel 2)

(1)

4

5 “LASER EMISSION” signal output

6

7 Not used

8 (1)

Use dry contacts with a resistive load (or better): 1A 30Vdc (2)

Maximum resistive load: 250mA 30Vdc

Table 7.3 Safety device connection cable

7.6.6 FOOT SWITCH INSTALLATION

The machine’s standard equipment includes a red/black control foot switch, the connector of

which must be connected to the socket on the rear compartment (Figure 7-12).

The foot switch cable ends with a standard serial interface connector, which is inserted in the

port and secured with the lock screws.

Figure 7-12 Foot switch connection

The foot switch has a dual function:

pressing the foot switch down to the first stage activates the inert gas supply;

pressing it down to the second stage emits the laser shot.

INSTALLATION EN 01 62/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.6.7 SPINDLE CONNECTION (OPTIONAL)

The welding system is designed for the connection of a spindle which plugs into the connector

inside the work chamber (Figure 7-13).

Note: for further information regarding the use of the spindle, see the supporting documents

provided together with this accessory.

Figure 7-13 Connection of the spindle (optional)

INSTALLATION EN 01 63/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.6.8 CONNECTION TO A LOCAL NETWORK

The system is designed for connection to a local Ethernet network through the standard RJ45

connector on the back of the machine. The use of this communication port allows the device

to be connected to a remote computer and to use some advanced diagnostic functions. The

configuration and use of this connection requires the assistance of a technician sent by the

manufacturer.

7.7 PREPARING THE STEREO MICROSCOPE

This paragraph refers to the LM-D / LM-D OPEN versions.

The machine is shipped inside protective packaging. Some parts are removed in order to

minimize the risk of breakage during transport.

Before using the machine, the stereo microscope eyepieces should be assembled, if included.

The right eyepiece with crosshairs should be inserted on the right tube, and the left eyepiece

should be inserted on the left tube. The eyepieces are contained in two separate packages

distinguishable by the legends LEFT and RIGHT. The eyepieces should be inserted completely in

the respective tubes, with the clamping screw facing downwards, as shown in Figure 7-14 and

Figure 7-15.

INSTALLATION EN 01 64/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

Figure 7-14 Stereomicroscope tubes

Figure 7-15 Left and Right eyepiece assembly

INSTALLATION EN 01 65/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.8 FILLING THE COOLING WATER TANK

The machine is usually shipped without any cooling water in it. Thus, before starting up the

machine, the tank must be filled with deionized water, using the bottle with doser supplied

with the machine. Only water that meets the following requirements may be used.

Cooling water Deionized water, free from impurities

Maximum conductivity 3 uS/cm

Quantity used 3.5 L

Table 7.4 Cooling water characteristics

CAUTION!

Powering up the machine without cooling water will damage the water pump.

To fill the tank, proceed as follows (Figure 7-16):

Unplug the device from the electrical power socket or disconnect the main supply.

Open the rear access cover (A)

Unscrew the cap (B).

Locate the drain hose with the red cap and extract it (C).

Unscrew the red cap.

Use the dosing bottle to refill until the tank (D) is full.

Check that the water level in the tank is between the minimum and the maximum (D). The

ideal recommended water level is close to the permitted maximum.

If you fill beyond the maximum level, visible through the inspection slit (Figure 7-16 - D),

the excess water must be drained following the instructions in Pt. 9.7.3.

Replace the cap and dry any drops of water that have fallen during the filling operation.

INSTALLATION EN 01 66/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

Figure 7-16 Water tank cap and level

Prepare the necessary materials in the immediate vicinity of the drain hose to contain any

small spills of water that occur during the phases described below. We recommend the use of

paper towels and/or a small plastic container.

The pump at times may fail to start the flow of water after the tank is filled because of air

bubbles in the system. To prevent this inconvenience, proceed as follows:

Ensure that the emergency stop button in the work chamber has not been pressed

Turn the main switch on the side of the machine to the “I” position

Wait for the display to synchronize

Enable the laser source by turning the key switch

Check the outflow of water from the drain hose.

The pump should trigger the flow of water in the cooling system after a few moments. If this

does not occur, an alarm will be generated within seconds and the pump will be switched off

INSTALLATION EN 01 67/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

by the control system. To resolve the problem, the operations described above must be

repeated from the beginning, ensuring that all the steps are carried out properly.

Operating the cooling circuit with air bubbles in the system causes damage to the water

pump. It is not advisable to switch the machine on again unless the proper procedure for

filling the tank with water and venting the air from the pipes has been carefully carried out.

When the pump is operating properly, there will be a continuous outflow of water from the

drain hose, indicating that the air bubbles have been expelled from the cooling system.

Immediately replace the red cap by pushing it tightly into the hole.

To complete the procedure, close the access cover (A).

INSTALLATION EN 01 68/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

7.9 STORAGE

If the machine is not being used, it must be stored with the following precautions:

Store the machine in a closed area

Protect the machine against impacts and stress

Protect the machine against humidity and high temperature ranges (10–50 °C)

Prevent the machine from coming into contact with corrosive substances.

For long periods of inactivity, the cooling water must be drained.

USE OF THE MACHINE EN 01 69/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

8 USE OF THE MACHINE

8.1 ENVISAGED USE

The machine is designed to create welds and joints between metal materials using the laser

fusion process. Any other application should be considered incompatible with the purpose for

which the machine is designed.

Any other application should be considered incompatible with the purpose for which the

machine is designed.

Using laser welding equipment may produce harmful air contaminants (gas, vapours, even

biologically contaminated unburnt particles).

That is why suitable extraction and filtering systems must be implemented.

8.2 OPERATING MODE

The machine is designed to be used by highly specialized personnel trained in the use of class 4

laser systems.

The use of the machine is fully manual and therefore there is only one mode of use:

STANDARD MODE

USER USER DESCRIPTION COMPATIBLE MODE

Laser machine operator Standard

Table 8.1 User - operating mode

USE OF THE MACHINE EN 01 70/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

8.3 TESTS AND CHECKS BEFORE START-UP

The laser system, before being delivered to the customer, is carefully tested and subjected to a

sufficient running-in period by the manufacturer in order to ensure perfect operation of all the

components. Before the start-up of the machine, however, the preliminary checks specified in

this manual must be carried out.

Before start-up, a series of checks and inspections must be performed in order to prevent

errors or accidents during the start-up phase:

Make a careful visual inspection of the entire machine

Check that the machine has not been damaged during the assembly phase

Carefully check the integrity of the electrical panels, control panels, electrical cables and

piping

Check that all the external power sources are connected properly

Check that all moving parts move or rotate freely.

Before every start-up of the machine, the following operations must be carried out:

Check all the safety systems

Check the protections

Check the signs (see Pt. 5.3).

8.4 EMERGENCY STOP

The Emergency Stop of the machine is carried out by pressing the red “Emergency”

mushroom-shaped button. This action causes the immediate stop of the Machine and

immediate interruption of the laser emission.

Activation of the emergency stop is indicated by a message on the operator panel.

Figure 8-1 Emergency Stop

After an emergency stop, before starting the machine again, request assistance from the

maintenance worker.

USE OF THE MACHINE EN 01 71/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

8.5 EMERGENCY STOP RESET

Only after having manually reset the mushroom-shaped Emergency button by rotating it

clockwise about 30 degrees will it be possible to restart the normal start-up procedure (Pt.

8.6).

8.6 START-UP

After preparing the machine as instructed in chapter 7 and making all the connections, the

machine is ready to be switched on.

To switch the machine on, proceed as follows:

Ensure that the emergency stop button in the work chamber has not been pressed

Turn the main switch on the side of the machine to the “I” position

Wait for the display to synchronize

Enable the laser source by turning the key switch

When the machine switches on, it runs the control software displaying a welcome screen on

the operator panel: when loading is completed, the parameter settings page will appear

(optional automatic power-on with key).

Then touch the lamp switch-on control for the simmer switch-on of the lamp. The button will

become yellow to indicate that the lamp is on.

Then use the shutter opening control to enable the laser pulse generator. The button will

become yellow to indicate that the protective shutter is open. At the same time the red LED

will light up to indicate that the laser is ready to shoot (LM-D open, the laser emission output is

activated Pt. 7.6.5).

Figure 8-2 Lamp and shutter commands

Use of the machine with the safety devices disabled is prohibited. Observe the provisions of

the current regulations in the country of use to protect the operator from the risks

associated with improper use, and to avoid damage to the machine and other objects and

equipment in the vicinity.

USE OF THE MACHINE EN 01 72/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

8.7 CORRECT OPERATOR POSITION

For proper use of the machine by the operator, a work stool should be used with height

adjustment from 600 to 900 mm.

The only and correct operator working position is shown in the figure below: the operator

must be able to easily manipulate the workpiece in the welding area and to see the operator

display.

In all cases, the operator’s posture must be suitable for the work as required by the current

regulations in the country of use.

Figure 8-3 Correct operator position

USE OF THE MACHINE EN 01 73/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

8.8 CENTRING THE STEREO MICROSCOPE

Centring the stereo microscope is an operation that allows the welding point (laser shot point)

to be aligned with the centre of the reference reticle. Correct centring allows the welding point

to be positioned precisely on the piece. Centring operations should be performed during initial

commissioning of the device and after maintenance operations. In any case, the reticle is

shifted off centre whenever a part of the optical vision system is moved.

8.8.1 CENTRING THE STEREO MICROSCOPE (LM-D, LM-D OPEN)

For the devices that use the microscope it may be necessary to centre the crosshairs. This

allows you to restore the alignment between the crosshairs and the laser spot. Before

performing the alignment, the dioptric correction on the microscope must be adjusted as

follows:

Switch on the device

Look into the microscope with your right eye and focus on the reference crosshairs. Turn

the dioptric adjustment ring until you can see them clearly (Figure 8-4)

Place a “target” object on the work table, preferably with a flat surface

Move the object vertically until the image, seen with the right eye, is perfectly in focus

Look at the object using the left eye

Then turn the graduated dioptric adjustment ring until you can see the object perfectly

Look at the object with both eyes and verify that the adjustment made is clear and

comfortable.

Figure 8-4 Dioptric eye correction

Adjust the welding diameter from the touch screen display, setting the minimum value

Set the following laser parameters on the operator panel: power to 10%, pulse duration to

1 ms and frequency to 0.0 Hz in order to fire a single shot when the foot switch is pressed

Switch on the lamp and activate the shutter

USE OF THE MACHINE EN 01 74/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

Press the foot switch down fully. Check that the laser shot mark is centred on the reticle as

shown in Figure 8-5 – 2. If it is not aligned, as in Figure 8-5 – 1, adjust the screws on the

four sides of the microscope holder with a 5.5 mm Allen key (Figure 8-6).

Figure 8-5 Centring the stereo microscope

CAUTION.

Be careful not to move the laser target during this operation.

Remove your hands from the welding zone to avoid injury.

CAUTION.

Do not exert excessive force on the screws otherwise the optical body may be damaged.

USE OF THE MACHINE EN 01 75/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

Figure 8-6 Microscope centring screws (only two of the four screws are visible in the image)

With reference to Figure 8-7:

To move the crosshairs in direction “a”, turn the corresponding screw in a clockwise

direction. If excessive force is felt, loosen screw “c”

To move the crosshairs in direction “b”, turn the corresponding screw in a clockwise

direction. If excessive force is felt, loosen screw “d”

To move the crosshairs in direction “c”, turn the corresponding screw in a clockwise

direction. If excessive force is felt, loosen screw “a”

To move the crosshairs in direction “d”, turn the corresponding screw in a clockwise

direction. If excessive force is felt, loosen screw “b”

None of the adjustment screws must be completely free to move at the end of the

described operations

Figure 8-7 Adjusting the microscope centring

USE OF THE MACHINE EN 01 76/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

8.8.2 WORK CHAMBER PUSH BUTTON PANEL

The work chamber push button panel (Figure 8-8) enables you to interact with the system and

change the machine operating parameter settings shown on the operator display.

The first 4 buttons, when pressed individually, enable selection of the following: power,

duration, frequency and spot diameter. The fifth button accesses the control for adjusting the

light intensity of the LED spotlights in the work chamber.

The first 2 buttons can be pressed at the same time to access selection of the recipe currently

in use.

By turning the knob, you can adjust the value of the selected parameter, increasing or

decreasing it. By pressing the knob, a number of times, you can switch between the various

parameters available on the work page.

The red light indicates that the shutter is open, i.e. that the machine is ready for laser

emission.

Selection knob

% Average power

ms Pulse duration

Hz Repetition frequency

Ø Laser spot diameter

LIGHT LED brightness intensity

Open shutter indicator

Figure 8-8 Work chamber push button panel

USE OF THE MACHINE EN 01 77/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

8.9 COLOUR TOUCH SCREEN PANEL (LM-D, LM-D OPEN)

The device is equipped with a software interface that allows the operator to intuitively set the

work parameters and verify the state of operation. Alarms can also be viewed quickly and

intuitively.

CAUTION. For a complete description of the operator software functions, refer to the specific

manual for the version in use, provided together with this document.

8.10 TAKING OUT OF SERVICE

During long periods of inactivity, all power supplies used by the machine should be

disconnected (electrical, compressed air, etc).

MAINTENANCE EN 01 79/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

9 MAINTENANCE

9.1 WARNINGS FOR MAINTENANCE

These operations include inspections, maintenance and repair of the machine. It is

recommended to keep the documentation after each of these operations.

CAUTION! RISK OF PERSONAL INJURY, DAMAGE TO PROPERTY AND TO THE ENVIRONMENT.

The instructions concerning safety described in the SAFETY chapter of this Operator’s

Manual must be complied with.

Defects in the machine must be immediately reported to the manufacturer and the machine

must be immediately turned off and disconnected, until the repair has been performed.

Replace faulty components or parts only with ORIGINAL SPARE PARTS with the same

mechanical, electrical or physical and chemical features, otherwise correct operation and

safety cannot be assured.

CAUTION! ELECTRICITY HAZARD

During inspection, cleaning, maintenance and mechanical, electrical and electronic

operations residual energy might be in the machine. Therefore:

Work in electrical panels and systems must only be performed by skilled personnel

(Electrical Maintenance Technician) with a supervisor role as well;

ONLY perform electrical maintenance work with electrical system completely powered

off. Switch off the main switch (disconnect switch) and lock it with a padlock to prevent

accidental restarting;

The residual energy must be dissipated safely before starting maintenance work. Take

the appropriate measures giving instructions to the personnel in charge;

In any case, the Electrical Maintenance Technician must personally ensure there is no

voltage in the electrical switchboard and in the machine’s electrical components;

Even after disconnecting the main power supply and switching off all switches (if any)

life-threatening voltage might be present;

When working in areas that have voltage, call a second person who is able to break the

circuit in the event of emergency;

After electrical maintenance, cleaning, inspection, setting, repair and fine-tuning the

electrical system and all safety critical circuits must be tested and their appropriate

operation must be verified. Interrupted connections and damaged cables must be

replaced.

MAINTENANCE EN 01 80/105

OPERATOR’S MANUAL FOR USE AND MAINTENANCE

LM-D

CAUTION! BREAKAGE HAZARD!

When moving components taken down from the machine (e.g.: guards, cylinders) or when

completing maintenance work, personnel must avoid dropping them when moving. Danger

of breaking parts and injury to persons.

Wear protection gloves and shoes.

CAUTION! HIGH TEMPERATURE!

The work cycle entails use of a laser beam, therefore the surfaces might be hot.

Thermal hazard arising from overheating, if the control circuits are faulty.

CAUTION! RISK OF DAMAGE TO PROPERTY

Operational errors caused by insufficient or inappropriate maintenance might cause high

repair costs and long machine down-time. Together with many other factors, operational

safety and machine duration depend on appropriate maintenance. Therefore regular

maintenance is strictly indispensable.

With the exception of cleaning the laser optical protection lens, maintenance work on the

laser part is reserved to the Manufacturer’s trained personnel only.

RESPIRATORY PROTECTION MUST BE WORN.

Use protective mask with P2D or P3D filter.

Risk of damage to the respiratory tract and lungs when handling the pre-filter and the dust

and fume filter:

IN NO CASE must the dust be inhaled;

When replacing the filter cartridge, LIMIT DUST DISPERSAL TO THE MINIMUM. Turn on a

vacuum cleaner and place the nozzle near the operating area to prevent dispersing the

dust;

Obligation to use a vacuum cleaner.

EYE PROTECTION MUST BE WORN

Use closed and tight-fitting safety goggles.

Risk of damaging the eyes while handling metal dust and the dust filter: when replacing the

filter and/or pre-filter cartridge, LIMIT DUST DISPERSAL TO THE MINIMUM.

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GLOVES MUST BE WORN.

Risk of damaging the skin.

Should there be Aluminium or Nickel (carcinogenic components) in the pre-filter or fume and

dust filter, this may result in irreversible damage or sensitization to contact with the skin

(allergic reaction)!

9.2 STATE OF MAINTENANCE

Maintenance operations must be carried out with the machine in the conditions described

under the heading “MACHINE STATUS” in Scheduled Maintenance.

9.3 MACHINE ISOLATION

Before performing any type of maintenance or repair work, the machine must be isolated from

the electric power supply:

Set the rotary switch of the electrical panel to “0”

Disconnect the electrical plug.

After disconnecting, wait for at least 5 minutes before switching on the electrical circuits in

order to allow the capacitors to fully discharge.

Before accessing electrical components, ensure that the residual voltage on the capacitors is

below 50 V.

To check this, use a multimeter with voltage ≥ 1000 V.

MAINTENANCE EN 01 82/105

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9.4 SPECIAL PRECAUTIONS

When performing maintenance or repair work, the following recommendations should be

followed:

Before starting the work, display a “MACHINE IN MAINTENANCE” sign in a prominent

position

For the electrical part, only use electrically insulated tools

Do not use solvents or flammable materials

Do not disperse dust or processing residues in the environment

To access the higher parts of the machine, use equipment which is suitable for the

operations to be carried out

Do not climb onto the parts of the machine, as they have not been designed to support

people

At the end of the works, check and if necessary tighten cable connections, restore and

correctly fasten all removed or open protections and guards, check machine operation and

correct triggering of safety devices.

The manufacturer is not liable for failure to follow the recommendations listed above or for

any other use which is out of line with or not mentioned in these instructions.

9.5 CLEANING

To clean the machine’s casing, panels and controls use soft and dry cloths or slightly moistened

with a mild detergent solution. Do not use any type of solvent, such as alcohol or benzine,

since the surfaces might be damaged.

For cleaning near the welding head, it is recommended that you use an aspirator to remove

the residual dust left over from the processing. Then wipe with a cloth to remove the

residual impurities.

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9.6 ROUTINE MAINTENANCE

Check operation of the Emergency Stop buttons on a monthly basis by dry running the

machine and verifying the correct intervention of the Emergency Stop buttons (machine

operation should be stopped).

In the event of malfunction, assign only specialized staff to search for the cause of failure or

call the manufacturer’s service centre.

Check the ground circuit continuity every 2 years by measuring the continuity according to

Standard CEI 44 - 5 III Art. 19.

The machine is designed to minimize routine maintenance, and the 2nd level operator is

responsible for determining the state of the machine and its suitability for use.

Whenever the machine’s operation is less than optimal, it is advisable to stop and perform

maintenance in order to ensure maximum efficiency.

Visually check the condition of the individual parts making up the machine, verifying that there

are no alterations due to failures or deformations.

For all maintenance that does not require voltage in the power components, the machine

must be shut down by disconnecting the supply from the main switchboard, locking the switch

in the “0” position and removing the plug.

Before performing any maintenance operation, the maintenance worker must switch off the

electric power supply using the main disconnect switch, switch off the key switch on the

electrical panel, keep the key in his pocket, and finally remove the electrical plug.

Always use the appropriate P.P.E. - Personal Protective Equipment:

gloves

safety shoes

suitable clothing

safety goggles and protective mask (in the event of contact with dust in the pre-filter

and/or filter of the fume extractor).

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9.7 SCHEDULED MAINTENANCE

These operations, even though they are simple, must be carried out by qualified staff.

Scheduled routine maintenance includes inspections, checks and interventions which, in order

to prevent shutdowns and failures, keep the following under systematic control:

Lubrication status of the machine

Condition of the wear parts

The cooling liquid level.

The table below summarizes the recommended maintenance schedule in order to keep the

machine in good working condition, thereby extending its service life, with an indication of the

type of maintenance operation, the frequency with which to perform the operation and the

operating mode in which to place the machine.

MAINTENANCE FREQUENCY MACHINE STATUS

SYMBOL

Check integrity of the safety devices

Every Day Machine

switched on

Remove dust and any welding residue from the machine

Inert gas: check for damages and/or leaks

Visual inspection and check for all unusual disturbances

Check cooling liquid level

Before each process: check inert gas pressure

Check the safety signs are present on the machine

Every week

Machine running

Clean the optics in the work chamber

Machine switched on

Clean all parts of the extraction system. Replace filters.

Every week (daily for high working loads)

Isolation for Maintenance

Check the connections Twice a year Isolation for

Maintenance

Check integrity of the electrical devices

Once a year Isolation for

Maintenance Replace the deionising salt cartridge filter and the mesh filter for the cooling system. Replace the cooling water.

When prompted by the software or once a year

Isolation for Maintenance

Replace the flash lamp When prompted by the software

Isolation for

Maintenance

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MAINTENANCE FREQUENCY MACHINE STATUS

SYMBOL

Replace the capacitors of the electrical rack

Within 10 years under any operating conditions

or after 2 or more years in conditions of prolonged inactivity

(storage)

Isolation for maintenance

Table 9.1 Scheduled maintenance

The operations described are to be carried out within the indicated time periods.

Failure to follow the required schedule exempts the manufacturer from any liability for the

purposes of Warranty obligations.

These operations, although simple, must be performed by qualified and adequately trained

personnel. Scheduled routine maintenance includes inspections, checks and interventions

which, in order to prevent shutdowns and failures, keep the following under systematic

control:

Lubrication status of the machine

Condition of the wear parts.

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9.7.1 REPLACING DEIONISING SALTS

After emptying the tank, unscrew the deionising cartridge cap located in the rear compartment

using the wrench supplied (no.1 Figure 9-1), remove the used cartridge using a thin object

(no.2 Figure 9-1) and replace with a new cartridge (no.3 Figure 9-1). Screw the cartridge cap

back into position.

Fill the tank using deionising water as described at Pt. 7.8.

Figure 9-1 Extraction of the deionising salts cartridge

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9.7.2 CLEANING THE WATER FILTER

Remove the small cover on the rear side of the machine (no. 1 Figure 9-2).

Unscrew the cap of the water filter housing (no.2 Figure 9-2), extract the cylindrical mesh filter

(no.3 Figure 9-2), clean it thoroughly, using compressed air if possible, replace it in its housing

and carefully replace the cap. Screw the cover back on.

Figure 9-2 Extracting the water filter from its housing

MAINTENANCE EN 01 88/105

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9.7.3 REPLACING THE COOLING WATER

Prepare a sufficient container in which to pour the water from the tank. Remove the drain

hose plug Figure 7-16. To empty the tank, use the provided hose: insert it into the tank drain

valve (Figure 9-3 - D) on the back of the machine and drain the water into the container.

Disconnect the hose and then fill the tank with deionized water as described in Pt. 7.8.

Figure 9-3 Tank drain valve

MAINTENANCE EN 01 89/105

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9.7.4 REPLACEMENT AND CLEANING OF THE LASER OPTICS PROTECTIVE GLASS

WARNING: Before replacing or cleaning the protective glass, the laser system must be

switched off and the machine must be isolated from the electric power supply by turning off

the switch on the main switchboard.

This operation is carried out whenever, due to the welding of particularly explosive material,

splatters of molten material are produced which soil or damage the protective glass of the

laser lens.

It also has the function of preventing damage to the focusing lens caused by either accidental

mechanical actions or welding fumes that would damage the surfaces of the objective lenses.

Note that keeping the components of the laser optics perfectly clean guarantees optimal, long-

lasting performance and operation of the system, thereby ensuring high-quality welding.

If the glass is only dirty, proceed with the cleaning, but it must be replaced if damaged.

Figure 9-4 Disassembly of the protective glass

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Figure 9-5 Laser lens protective glass

For the above operations, turn off the generator setting the main switch on the right side of

the machine to OFF.

Open the front door to give easy access to the work area.

Unscrew the ring nut located on the lower side of the objective and visually inspect the

protective glass checking that there are no deep cracks on the surfaces of the glass. When

cleaning the protective glass, use a sheet of special paper for lenses (supplied with the

machine) soaked in solvent (pure acetone).

If the surfaces still contain evident sprays of metal, replace the protective glass otherwise as

the laser beam passes it could cause the glass to break.

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9.7.5 REPLACEMENT AND CLEANING OF THE TRANSPARENT SPLASHGUARD GLASS

In order to allow the operator to safely view the interior of the work chamber, the generator

has been equipped with a large protective transparent glass which the laser radiation cannot

pass through, laminated on the internal part of the work chamber to a glass plate designed to

protect the window from splashes, impurities and any accidental mechanical actions which

may occur when positioning the pieces for welding.

The glass plate should be cleaned regularly and replaced when excessively damaged.

The replacement is carried out by removing the upper tabs and lower profile by operating on

the appropriate screws from the interior of the welding chamber.

Figure 9-6 Work chamber protective glass

If the front protective filter (

Figure 9-6) requires replacing, only use an original part.

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9.7.6 REPLACING THE AIR FILTER (LM-D, LM-D VISION)

During the welding process, fumes and vapours are released which are suctioned by an

appropriate filtering device inside the work chamber. The filter element is composed of a

spongy filter and metal mesh, and retains the larger impurities. It does not function as an

absolute filter. If welding of items generates poisonous or toxic gases the machine must be

connected to a suitable extraction plant. Replace the filter as follows:

Remove the filter cover mask (with the help of a screwdriver if necessary)

Clean the metal filter and clean or replace the sponge filter.

Figure 9-7 Air filter (work chamber)

Figure 9-8 Changing the air filter

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9.8 SPECIAL MAINTENANCE

Any special maintenance, replacements, overhauls, alignment, cleaning of the optical part and

repairs which may become necessary on the machine must be carried out with the help of the

Technical Support Service by contacting the manufacturer (see Chap. 11).

Failure to comply with the above requirements exempts the manufacturer from any liability

with respect to the warranty.

TROUBLESHOOTING EN 01 95/105

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10 TROUBLESHOOTING

The welder has a self-diagnostic capability which allows it to identify malfunctions by

subgroups. In the event of an anomaly, it is always advisable not to intervene on the machine

without first making the appropriate preliminary verifications or without having the

appropriate skills. We recommend that you contact the Sisma Support Service for information

and support. You may be required, in this case, to provide the number and description of the

alarm displayed on the operator interface. The list of alarms and alerts that may be

encountered is given in the table in the following paragraph.

Note that an emergency situation requires that the machine be restarted, whereas in order to

resume operation after an anomaly it’s sufficient to eliminate the cause and perform the

normal start procedure.

For any defects or machine malfunctions not described in this manual, please contact the

Support Service directly and do not intervene on the machine (See Chap. 11).

10.1 FAULTS

CODE MESSAGE DISPLAYED CAUSES CORRECTIVE MEASURE

Alert 1 zoom positioning error Error caused while positioning the zoom. Probable failure of the zoom movement device.

Contact customer service

Alert 2 automatic frequency limitation

Limitation of the power obtained with the reduction of frequency by the control software. This is due to low capacitor voltage.

The laser is being used to its operating limits: reduce the workload.

Alert 3 excessive energy demand You have reached the limit of the laser pulse energy the device can provide.

The laser is being used to its operating limits: reduce the shot parameters (power and duration).

Alert 4 excessive power output You have reached the power output limit.

The laser is being used to its operating limits: reduce the shot parameters or the actual frequency.

Alert 5 turn the key to OFF The control software requires the laser enabling key to be turned to “OFF”

-

Alert 6 not used -

Alert 7 shutter closed You are trying to shoot with the shutter closed

Enable the shutter before commanding the laser shot

TROUBLESHOOTONG EN 01 96/105

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CODE MESSAGE DISPLAYED CAUSES CORRECTIVE MEASURE

Alert 8 guards open The system detects that the guards have been opened

Close the guards. If they are already closed, check the electrical connections on the external guards.

Alert 9 not used -

Alert 10 remove shot command The shutter was opened but the shot command was already active.

Remove the shot command before activating the shutter; you can then activate it at will.

Alert 11 capacitors already charged; wait 1 minute before switching on again

The device has detected that the capacitors were already charged when the device was switched on.

Wait for at least one minute with the device switched off, then switch it on. If the problem persists contact customer service

Alert 12 activate key The control software requires the laser enabling key to be turned to “ON”

Alert 13 not used -

Alert 14 fan failure The device detects that one or more fans are idle or are not rotating at nominal speed.

Check to see if the any of the cooling fans are jammed. Contact customer service.

Alert 15 not used -

Alert 16 not used -

Alarm 17 water temperature too low The temperature of the water in the cooling circuit is too low.

Use the product within the prescribed temperature limits.

Alarm 18 water overheated The temperature of the water in the cooling circuit is too high.

Reduce the work load. Wait until the water has cooled down with the device in standby. Remove any obstructions to the flow of the cooling air.

Alarm 19 power block overheated Heat sink or power board overheated.

Remove any obstructions to the flow of the cooling air. Contact customer service.

Alarm 20 not used -

Alarm 21 insufficient water flow The flow of water in the cooling circuit is insufficient.

Check the water level of the cooling system or remove any blockages.

Alarm 22 shutter failure The shutter position detected by the system is inconsistent with the control signal.

Contact customer service.

TROUBLESHOOTING EN 01 97/105

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CODE MESSAGE DISPLAYED CAUSES CORRECTIVE MEASURE

Alarm 23 lamp lighting defect The system detects that the lamp lighting state is inconsistent with the control signal.

Contact customer service.

Alarm 24 insufficient capacitor voltage

The capacitor voltage reading is low.

The requested workload may be too high or close to the laser’s working limits.

Alarm 25 safety circuit failure An inconsistency has been encountered in the dual channel safety circuit.

Check the electrical connections in the external guards. Contact customer service

Alarm 26 insufficient charge or voltage reading error

The system detects that the capacitor voltage is too low or absent.

Possible fault in the capacitor charging circuit or in the voltage reading circuit.

Alarm 27 excess capacitor voltage The system detects that the capacitor voltage is too high.

Possible fault in the capacitor charging circuit or in the voltage reading circuit.

Alarm 28 capacitor charging board alarm

The capacitor charging circuit is in an alarm state.

Contact customer service.

Alarm 29 internal memory alarm The non-volatile memory (EEPROM) in the control system contains errors or is unreadable.

Reset parameters. Contact customer service.

Alarm 30 auxiliary supply circuit faulty or switched off

Auxiliary system voltage (+24V DC) absent or low.

Check the condition of the fuses.

Alarm 31 safety circuit failure. Switch off the machine

A fault has been detected in the safety circuit.

Contact customer service.

Alarm 32 emergency activated. Switch off the machine

The emergency button has been pressed.

Eliminate the hazard situation and restore the emergency button, then restart.

Alarm 33 Pinhole failure The Pinhole position detected by the system is inconsistent with the control signal.

Contact customer service.

Alarm 34 capacitor charger board overheated

The board that controls the charging of the capacitors is overheated.

Remove any obstructions to the flow of cooling air. Contact customer service.

Alarm 35 not used -

Alarm 36 not used -

Alarm 37 not used -

Alarm 38 lamp lighting failure The lamp did not switch on following the command signal. The lighting discharge may not be effective.

The conductivity of the water in the cooling circuit is too high. The lamp control circuit is faulty.

Alarm 39 not used -

TROUBLESHOOTONG EN 01 98/105

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CODE MESSAGE DISPLAYED CAUSES CORRECTIVE MEASURE

Alarm 40 not used -

Alarm 41 not used -

Alarm 42 not used -

Alarm 43 lamp switched off The lamp went off during operation.

Contact customer service.

Alarm 44 not used -

Alarm 45 turn off the power: safety alarm.

The safety circuit has been activated or the capacitor voltage is out of range.

Turn off the power supply. Contact customer service.

Alarm 46 electrical box overheated The system has detected that the temperature of the hardware is too high.

Remove any obstructions to the flow of cooling air. Use the product within the required temperature limits.

Alarm 47 lack of consensus from operator display

The operator interface display is not communicating properly with the control system.

Restart the device.

Alarm 48 internal communication error with the safety module

Communication error with the safety module (only for the relevant version).

Contact customer service.

Alarm 49 internal communication error with the power board

Communication error with the laser system power board.

Restart the device.

Alarm 50 internal communication error with slave 2

Communication error with laser system slave board no. 2

Restart the device.

Alarm 51 internal communication error with the keyboard

Communication error with the operator keyboard.

Restart the device.

Alarm 52 internal communication error with slave 4

Communication error with laser system slave board no. 4

Restart the device.

Alarm 53 internal communication error

Communication error with the laser system.

Restart the device.

Alarm 54 power board power failure The power board of the laser system is in a state of alarm

Contact customer service.

Alarm 55 power contactor failure The power contactor is faulty. Contact customer service

Alarm 56 inconsistent optional shutter settings

There is a configuration error in the device parameters.

Configure the parameters correctly. Contact customer service.

Alarm 57 inconsistent optional fan settings

There is a cooling fan configuration error in the device parameters.

Configure the parameters correctly. Contact customer service.

Table 10.1 Error and fault messages

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11 TECHNICAL SUPPORT

The Technical Support Service is available for any information regarding the use, maintenance

or installation of the machine. The manufacturer uses internally qualified staff, or rather a

network of branches or agents capable of providing complete telephone or on-site support

service as necessary.

The Sisma Laser S.p.A. support service can be reached by email [email protected] or

through the contacts page of the website www.sisma.com.

Upon agreement with the Manufacturer, a remote service can be used with costs and details

to be agreed upon.

The customer is advised to make any queries as clear as possible, referring to this Operator’s

Manual and the instructions and recommendations contained in it.

It will certainly be necessary to allow the service to unambiguously identify the type of system

for which the intervention is requested; this is possible by following these simple instructions:

contact the support service and provide the Serial Number of the Welding System;

describe the problems encountered;

collect as much information as possible on the problems, take pictures and videos, so as

to allow the specialized technician to have a clear idea of what happened;

11.1 SPARE PARTS

Any spare parts needed for restoring the welder can be requested through the support of the

Sales Network or directly from the Manufacturer.

The manufacturer is not liable for any breakage, malfunctioning or damage caused to people

or property resulting from the use of non-original parts.

It is highly recommended that you use original spare parts. Otherwise, the use of non-original

parts causes the Warranty to lapse (if still valid) and exempts the manufacturer from any

liability in the use of the machine and any damage caused to people and/or property.

TECHNICAL SUPPORT EN 01 100/105

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11.2 RETURN OF SPARE PARTS FOR REPAIR OR REPLACEMENT

Upon agreement with the Manufacturer, spare parts can be obtained by providing the tracking

and identification data of the service records. Once the Maintenance Service has been

contacted, a tracking record is activated through a SID (alphanumeric identification code). The

customer will have to indicate the unique SID in the request for repair or replacement of the

damaged part.

Specifically, when making a request for the repair of a component or unit of the welder, follow

these instructions.

REPAIR (Before sending any type of material or part):

Contact the support service to request the opening of a case and assignment of a SID;

Complete the respective shipping document, indicating the SID on it.

REPLACEMENT (BEFORE SENDING ANY TYPE OF MATERIAL OR PART):

The SID shown on the shipping document that accompanies the replaced part will have to

be indicated in the shipping document that accompanies the returned goods.

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12 ADDITIONAL INSTRUCTIONS

12.1 WASTE DISPOSAL

The user is responsible, according to the current regulations in the user’s country, for verifying

correct disposal of the waste which the machine produces during operation.

Lubricants and replaced parts must be disposed of in compliance with current regulations in

the country in which the machine is being used.

12.2 DECOMMISSIONING AND DISMANTLING

The machine must be dismantled so as to separate the plastic parts, metal parts and electric

components which must be sent to separate waste collection sites in compliance with current

regulations.

With regard to the metal body of the machine, just divide the ferrous parts from those in other

metals or alloys to ensure correct recycling by melting.

12.3 SAFE WORK PROCEDURES

Set up specific procedures and adequately inform workers for:

• safe use of the machine;

• emergency situations.

INDICES EN 01 103/105

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13 INDICES

13.1 LIST OF FIGURES

FIGURE 4-1 CE PLATE (FACSIMILE) ............................... 17 FIGURE 6-1 SOME EXAMPLES OF PRODUCTION ............... 39 FIGURE 6-2 SAFETY DEVICES ....................................... 41 FIGURE 6-3 LASER PROTECTION BARRIERS (SHOWN IN GREEN)

............................................................. 42 FIGURE 6-4 DIMENSION LEGEND ................................. 43 FIGURE 6-5 MODELS: LM-D OPEN | LM-D | LM-DV |

LM-DV OPEN ........................................ 43 FIGURE 6-6 TOUCH SCREEN OPERATOR PANEL (THE

MICROSCOPE VERSION ON THE LEFT, THE VISION

VERSION ON THE RIGHT) ............................ 44 FIGURE 6-7 INTERNAL OPERATOR PANEL, FOOT SWITCH ... 44 FIGURE 6-8 TOUCH SCREEN START PAGE........................ 45 FIGURE 6-9 ELECTRICAL PANELS................................... 46 FIGURE 7-1 PACKAGE GRAPHICAL SYMBOLS ................... 50 FIGURE 7-2 PACKAGE STRUCTURE 3 VERSIONS................ 51 FIGURE 7-3 CLEARANCE SPACES................................... 52 FIGURE 7-4 LIFTING THE DEVICE .................................. 54 FIGURE 7-5 POWER SUPPLY ........................................ 55 FIGURE 7-6 FUME EXTRACTION CONNECTOR .................. 56 FIGURE 7-7 SHIELDING GAS SUPPLY HOSE ...................... 58 FIGURE 7-8 COMPRESSED AIR SUPPLY HOSE ................... 59 FIGURE 7-9 DETAIL OF THE COMPRESSED AIR SUPPLY ...... 59 FIGURE 7-10 SAFETY DEVICE CONNECTION DIAGRAM ......... 60 FIGURE 7-11 STANDARD SAFETY DEVICE CONNECTOR ........ 60 FIGURE 7-12 FOOT SWITCH CONNECTION ........................ 61 FIGURE 7-13 CONNECTION OF THE SPINDLE (OPTIONAL) .... 62 FIGURE 7-14 STEREOMICROSCOPE TUBES ........................ 64 FIGURE 7-15 LEFT AND RIGHT EYEPIECE ASSEMBLY ............ 64 FIGURE 7-16 WATER TANK CAP AND LEVEL ...................... 66 FIGURE 8-1 EMERGENCY STOP .................................... 70 FIGURE 8-2 LAMP AND SHUTTER COMMANDS ................ 71 FIGURE 8-3 CORRECT OPERATOR POSITION .................... 72 FIGURE 8-4 DIOPTRIC EYE CORRECTION ......................... 73 FIGURE 8-5 CENTRING THE STEREO MICROSCOPE ............ 74 FIGURE 8-6 MICROSCOPE CENTRING SCREWS (ONLY TWO OF

THE FOUR SCREWS ARE VISIBLE IN THE IMAGE) 75 FIGURE 8-7 ADJUSTING THE MICROSCOPE CENTRING ....... 75 FIGURE 8-8 WORK CHAMBER PUSH BUTTON PANEL ......... 76 FIGURE 9-1 EXTRACTION OF THE DEIONISING SALTS

CARTRIDGE .............................................. 86 FIGURE 9-2 EXTRACTING THE WATER FILTER FROM ITS

HOUSING ................................................ 87 FIGURE 9-3 TANK DRAIN VALVE ................................... 88 FIGURE 9-4 DISASSEMBLY OF THE PROTECTIVE GLASS ....... 89 FIGURE 9-5 LASER LENS PROTECTIVE GLASS .................... 90 FIGURE 9-6 WORK CHAMBER PROTECTIVE GLASS ............ 91 FIGURE 9-7 AIR FILTER (WORK CHAMBER) ..................... 92 FIGURE 9-8 CHANGING THE AIR FILTER .......................... 92

INDICES EN 01 104/105

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13.2 LIST OF TABLES

TABLE 2.1 MANUAL REVISIONS ........................................... 2 TABLE 2.2 REFERENCE PRODUCT CODES ............................... 3 TABLE 2.3 TECHNICAL SPECIFICATIONS ................................. 3 TABLE 3.1 INTENDED USERS ............................................. 10 TABLE 3.2 DEFINITIONS ADDITIONAL DEFINITIONS ................ 11 TABLE 3.3 ADDITIONAL DEFINITIONS .................................. 12 TABLE 3.4 SPECIAL DEFINITIONS FOR LASER SYSTEMS............. 12 TABLE 3.5 OPERATOR QUALIFICATION PICTOGRAMS ............. 14 TABLE 3.6 MACHINE STATUS PICTOGRAMS ......................... 14 TABLE 3.7 SAFETY PICTOGRAMS ........................................ 15 TABLE 4.1 TECHNICAL REFERENCE STANDARDS ..................... 18 TABLE 4.2 EC DIRECTIVES ............................................... 18 TABLE 5.1 INSTALLED SIGNS ............................................. 25 TABLE 5.2 LASER CLASSIFICATION ...................................... 26 TABLE 6.1 SAFETY DEVICES .............................................. 41 TABLE 6.2 MACHINE DIMENSIONS ..................................... 43 TABLE 6.3 LIST OF SUPPLIED EQUIPMENT ............................ 47 TABLE 7.1 TEMPERATURE AND HUMIDITY LIMITS .................. 49 TABLE 7.2 PACKAGE DIMENSIONS ..................................... 50 TABLE 7.3 SAFETY DEVICE CONNECTION CABLE..................... 61 TABLE 7.4 COOLING WATER CHARACTERISTICS ..................... 65 TABLE 8.1 USER - OPERATING MODE ................................. 69 TABLE 9.1 SCHEDULED MAINTENANCE ............................... 85 TABLE 10.1 ERROR AND FAULT MESSAGES ............................ 98

ANNEXES EN 01 105/105

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14 ANNEXES

14.1 CE DECLARATION OF CONFORMITY (FACSIMILE)