Objectives

By the end of this lesson the learner should be able to:

• Describe the characteristics of both hydraulic and pneumatic systems

• Discuss the characteristics of fluid flow

• Explain Pascal’s Law and how it applies to fluid power systems

• Define and calculate values for force, pressure, and area relative to fluid power systems

• Identify various components in a fluid power system and explain what they are used for in the fluid power system

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Basic Hydraulic System

LS 6-1

Hydraulic Control Devices

6-4

Pneumatic System

6-5

Resistance & Pressure in a Static System

Pressure Drops in a Fluid System

6-7

Pascal’s Law

6-8

Force, Area, Pressure, and Work

Fluid Pumps

6-10

Operation of a Reciprocating Pump

6-11

Rotary Gear Pumps

6-12

Rotary Vane Pump

6-13

Centrifugal Pumps

6-14

Pressure Regulator Valve Operation

6-15

Pneumatic Lubricator

Filtration, Regulation, & Lubrication (FRL) Unit

6-17

Fluid Check Valve

6-18

Three-way Valves

6-19

Three-Way Spool Valve

Four-way Valve

6-21

Flow Control Valve Operation

6-22

Linear Actuator (Cylinder)

6-23

Single-acting Cylinder

6-24

Double-acting Cylinder

6-25

Rotary Actuators

6-26

Hybrid Systems