Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
AE2141MENGGAMBAR TEKNIKENGINEERING DRAWING
Semester 1 10/11Introduction (topic #1)
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Deskripsi
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Mata kuliah ini memberikan konsep dan aturan gambar teknik menurut standar ISO serta memberikan pengertian mengenai parameter geometri utama sebuah pesawat terbang. Konsep yang diberikan meliputi : gambar sebagai bahasa teknik, gambar proyeksi majemuk, gambar proyeksi tunggal, gambar potongan, pemberian dimensi dan gambar tiga dimensi. Media gambar yang digunakan adalah kertas dan pensil yang kemudian dilanjutkan dengan aplikasi CAD. Matakuliah ini diberikan untuk membangun kemampuan mahasiswa dalam menuangkan pemikirannya menggunakan gambar.
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Aturan Umum
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Aturan Perkuliahan :Tugas 30%Praktikum 30%UTS 20%UAS 20%
Catatan untuk nilai TugasPenalti keterlambatan pengumpulan tugas :Terlambat 1 hari : - 10%Terlambat hari selanjutnya : -2% per hari
Catatan untuk kehadiranKehadiran dapat membantu nilai di perbatasanKetidakhadiran karena sakit harus dibuktikan dengan surat keterangan dari dokter
Titip absensi : Bila dalam satu pertemuan ada yang titip absensi, maka kehadiran seluruh kelas dibatalkan.
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Pustaka
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Menggambar Mesin Menurut Standar ISOPradnya Paramita,G. Takeshi Sato dan N Sugiarto H.Technical DrawingThomson Delmar Learning,David L. Getsch et al
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Some Digital Sources
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Technical Drawing Topics : http://www4.district125.k12.il.us/Faculty/djohanns/TechEdHomePage/TDTopics.htmlEngineering Drawing :http://www.ider.herts.ac.uk/school/courseware/graphics/engineering_drawing/Technical drawing definition : http://en.wikipedia.org/wiki/Technical_drawingInternational Standard Organization : www.iso.orgCAD history : http://mbinfo.mbdesign.net/CAD-History.htmAutoCAD dari Autodesk : www.autodesk.comCATIA dari Dasault Systèmes : http://www.3ds.com/products-solutions/plm-solutions/catia/overview/Solidworks : www.solidworks.com
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Exercise
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Lipat kertas A4 menjadi A5Beri nama, NIM dan tanggal di pojok kanan atasGambar sebuah obyek fisik benda mati (10’)Berikan pada kawan untuk dibuatkan daftar keterangan mengenai gambar (Nama/jenis obyek, ukuran, detail lainnya … )Kembalikan pada pemilik dan hitung berapa persen kesalahan komentarNyatakan komentar benar dalam persentase
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
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SELAMAT Anda telah mensimulasikan komunikasi melalui media/bahasa gambar :Bagaimana kualitas komunikasi Anda melalui media gambar ?
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Bahasa
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Bahasa adalah alat penyampaian informasi
Lisan Tulisan Matematik Gambar Musik Mimik
Indera akustik visual Visual visual akustik Visual
Ekspresi suara Tulisan Tulisan gambar nada Tubuh
Aturan Tata bahasa
Tata bahasa Theorema Aturan
gambarNot
musik Context
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Materi Kuliah
Pengantar Gambar TeknikGambar Proyeksi OrthogonalGambar PotonganGambar Proyeksi TunggalPengantar CAD
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2010
AE2141Introduction Taufiq Mulyanto
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Gambar Teknik lawas
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2010
AE2141Introduction TM2010
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Fungsi GambarPenyampaian informasiPenyimpanan informasiAlat bantu berpikir
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2010
AE2141Introduction TM2010
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Information found in a drawing
Shape: the description of the shape of an object is indicated by the number and type of views and lines selected to completely show or describe the form of an objectDimensioning: the description or the size and location of the shape of an object is inicated by lines and numerals used to specify the dimensions of an objectSpecifications: additional information such as general notes, material, heat treatment, machine finish, and applied finish are indicated by special entries written on the drawings
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
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Job related to Technical Drawing
OccupanciesEngineers, designers, drafters, technicians, etc
Level of ability :Make drawing, read drawing, both
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction TM2010 14
Learning ChecklistFUNDAMENTAL KNOWLEDGE AND SKILLS
RELATED KNOWLEDGE
ADV. KNOWLEDGE AND SKILLS
Drafting EquimentFundamental Drafting TechniquesSketchingGeometric ConstructionVisualizationMultiview drawingSection viewsGraphical descriptive geometry Auxiliary viewsGeneral dimensioningNotationBasic CAD system operation
MathWelingMedia and reproductionManufacturingMaterials and processes
Development and intersectionsGeometricdimensioning and tolerancingThreads and fastenersSpringsCamsGearsMachine design drawingPictorial drawingDrqfting shortcutsCAD technology
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction TM2010
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Design for Manufacturability
A good product not only met the customer’s needs in terms of function. It also had to be efficiently and economically manufacturedAttitude :
Traditional attitude : « we designed it, making is your problem »DFM attitude : « let’s design it so that it works, and can be efficiently produced »DFM teams comprised of : design, drafting, manufacturing
Reduce Cost : Metal Tech Manufacturing co (MTM) production cost fall by 32 percent and sales doubled within a year
Types of Technical Drawing16
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2010
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Detail Drawing
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AE2141Introduction TM2009
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Installation Drawing
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Wiring Diagram
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Exploded-view Drawing
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Sectional View
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Half Sectional View
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Scematic Diagram
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Pictorial Diagram
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Large Drawing
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AE2141Introduction TM2009
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Technical Drawing example
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2010
AE2141Introduction TM2009
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Technical Drawing example
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3 View Drawing
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2010
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Cutaway Drawing
From Idea to Reality30
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2010
AE2141Introduction
Wing in Surface Effect
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
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AE2141Introduction TM2009
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Tandem Wing Development
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2010
AE2141Introduction TM2009
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction TM2010
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
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AE2141Introduction TM2010
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
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AE2141Introduction TM2009
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
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Technical Drawing Grammar43
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Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
AE2141Introduction
Technical Drawing Grammer
Line TypeText information (dimension, material, etc)Symbols (surface treatment, view, simplification, etc) Projection (perspective, orthogonal, single )Section drawing
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2010
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Types of Lines
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Thick linesVisible line of an object
Thin linesHidden line of an objectCenter lineDimension
Extra thick linesCutting plane
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Use of Hidden line:Hidden lines should always start and end with a dash Dash should always join at corners
Except:When such a dash would form a continuation of a visible detail line
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Types of text
Sketching50
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2010
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Sketching Importance
« Don’t they teach sketching in school anymore ? .....» : Dan Johnson, chief drafter for Precision Machining, IncComponent re-engineering that should be done on site. Maria Sims, newest drafter take the job and get promoted
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
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Advantage of sketchingRequires very view materials :
pencil/pen, media (paper/graph paper or even napkins)Eraser
Quick
Do you know ?Early design of Voyager around the world A/C was sketched on napkins
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
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VoyagerWing span : 110.8 ftAR : 33.8Empty weight : 1858 lbTO weight : 11326 lb9 days, 3 min, 44 sec, 25012 miles at 115.8 mph
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2010
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General rules skechingHold the pencil firmly, but not so tightly as to create tension or hand fatigueGrip the pencil approx one inch to one and one-half inches up from the pointMaintain a confortable angle between the pencil and the sketching strokesDraw horizontal lines from left to right using short, slightly overlapping strokesDraw vertical lines from top to bottom using short, slightly overlapping strokesDraw curved lines using short, slightly overlapping strokes
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
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Proportion in sketchingUse graph paper whenever possibleExamine the object and mentally break into its componentsBegin with the largest component, estimate the proportionUse construction line squares and rectangles to block in irregularly shaped components
Program Studi Aeronotika dan AstronotikaFTMD - Institut Teknologi Bandung
2010
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Draw LARGE size pictureMenggambar benda sirkularUse of pencil type
2B pencil for thick lineHB pencil for thin line
Gambar di milimeter block dengan pensil B/2BBujur sangkar : 2cm x 2 cm 3 kali , 4cm x 4cm 3 kaliPersegi panjang : 4 cm x 6 cm, 5 kaliLingkaran : diameter 4 cm 3 kali, dia 6 cm 3 kali