Mustafa Pasha – MTS 242 – Computer Aided Drawing1

Production Drawings & Process Models

Chapter 16

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Communication Drawings

Engineering Drawings Design

Exploded Pictorial

IDEAS, FACTS, FIGURES

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Sketches & Design

Brain Storm Sketch Layout

Charts, Figures, Calculations

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Classes of Drawings

Assembly Detail

SET

Assembly Drawing(s)

Detail Parts Drawing(s)

Standard Part Sheets

Extras – Layouts, Plans, & Diagrams

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Detail Drawings

The Usual Suspects! Follows Assembly Drawings

Example: Orthogonal 3rd Angle Projects – Sectional, Auxiliary, isometric, etc…

All Standards + Principles Apply

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Procedure Review

Select Views – Sectional, Auxiliary, Principal Views. Scales?

Draw Main Lines – Outlines, Centers, Draw in Features – Circles, Arcs, Etc.

Draw in Minor Features. Extensions, Dimensions Arrowheads, Finish Up!

Checks

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One View Philosophy

K I S S Simple Parts – nuts, bolts

Axis-symmetry

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Info is Imp!

Name Number Material Quantity Finishes

…..

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Contents of Titles

Names Scales Dates Initials

Numbers

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Concept of Reviews

Review Number – Revisions Initial - Signatures

Cancellations Changes

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Assembly Drawings

Shows parts of design assembles DIY s

Working Assembly Drawings – Completely Dimensioned NO DETAIL DRWGS! Subassembly Drawings

Automobile – Clutch – Plate Installation Assembly Drawings – Construct the Assembly

Outline Assembly Drawings – illustrative purposes Exploded Assembly Drawings – Parts lists

Diagram Assembly Drawings – Piping, wiring, etc.

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THE BOM

List Part Numbers

Names Quantity

Material Codes Part of Assembly Drawings

Large lists or for quantity production – use separate sheets

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Groups Assignments

Add to DataBase

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QUIZ TIME!!!1. What are the steps in a design process? (5)2. What is Human Engineering? (2)3. What is an Assembly Drawing? (2)4. Do assembly drawings have hidden lines? (1)5. Do assembly drawings have sectional lines? (1)6. What information does a standard parts sheet convey? (1) 7. What is a Bill of Materials? (2)8. Which drawing(s) contain a Bill of Materials? (1)9. The following material was found on a bill of materials, 3003 Aluminum – What does

3003 mean? (1)10. (4)

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10. What Information is conveyed with part number (two) in this assembly drawing?