Autodesk AutoCAD Mechanical Desktop 6.0 Operating instructions

Type
Operating instructions
Autodesk
®
Mechanical Desktop
®
6
Users Guide
20507-010000-5020A May 3, 2001
12345678910
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iii
Contents
Part I Getting Started with Autodesk
®
Mechanical Desktop
®
.1
Chapter 1 Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
What is Autodesk Mechanical Desktop?. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Making the Transition from AutoCAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Migrating Files from Previous Releases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Data Exchange. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chapter 2 Modeling with Autodesk® Mechanical Desktop®. . . . . . . . . . . . . . . 7
Mechanical Desktop Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 3 The User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Mechanical Desktop Today. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Mechanical Desktop Environments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Assembly Modeling Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Part Modeling Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Mechanical Desktop Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Desktop Browser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Issuing Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Chapter 4 Documentation and Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Printed and Online Manuals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Mechanical Desktop Printed Manual . . . . . . . . . . . . . . . . . . . . . . . . 28
AutoCAD Printed Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Online Installation Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
AutoCAD 2002 Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
iv | Contents
Mechanical Desktop Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Updating Help Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Product Support Assistance in Help. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Updating the Support Assistance Knowledge Base. . . . . . . . . . . . . . .31
Learning and Training Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Internet Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Part I Autodesk
®
Mechanical Desktop
®
Tutorials. . . . . . . . . . 33
Chapter 5 Using the Tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
How the Tutorials are Organized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Accessing Mechanical Desktop Commands. . . . . . . . . . . . . . . . . . . . . . . . .37
Positioning the Desktop Browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Backing up Tutorial Drawing Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Chapter 6 Creating Parametric Sketches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Basic Concepts of Parametric Sketching . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Sketching Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Creating Profile Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Creating Text Sketch Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Creating Open Profile Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Creating Closed Profile Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Using Default Sketch Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Using Custom Sketch Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Using Nested Loops. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Creating Path Sketches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Creating 2D Path Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Creating 3D Path Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Creating Cut Line Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Creating Split Line Sketches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Creating Break Line Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Chapter 7 Constraining Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Basic Concepts of Creating Constraints. . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Constraining Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Constraining Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Contents | v
Applying Geometric Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Showing Constraint Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Replacing Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Applying Dimension Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Creating Profile Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Adding Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Appending Sketches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Modifying Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Using Construction Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Creating Profile Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Adding Project Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Adding Parametric Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Constraining Path Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Controlling Tangency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Chapter 8 Creating Sketched Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Basic Concepts of Sketched Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Creating Extruded Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Extruding Closed Profiles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Editing Extruded Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Extruding Open Profiles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Creating Rib Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Creating Thin Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Creating Emboss Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Editing Emboss Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Creating Loft Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Creating Linear Lofts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Creating Cubic Lofts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Editing Loft Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Creating Revolved Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Editing Revolved Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Creating Face Splits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Editing Face Splits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Creating Sweep Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Creating 2D Sweep Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Creating 3D Sweep Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Editing Sweep Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Creating Bend Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Editing Bend Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
vi | Contents
Chapter 9 Creating Work Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168
Basic Concepts of Work Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169
Creating Work Planes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Editing Work Planes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Creating Work Axes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
Editing Work Axes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177
Creating Work Points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179
Editing Work Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182
Chapter 10 Creating Placed Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .186
Basic Concepts of Placed Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187
Creating Hole Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188
Creating Thread Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190
Editing Hole Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .192
Editing Thread Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193
Creating Face Drafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .194
Editing Face Drafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .198
Creating Fillet Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .199
Editing Fillet Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202
Creating Chamfer Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204
Editing Chamfer Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .208
Creating Shell Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209
Editing Shell Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .210
Creating Surface Cut Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212
Editing Surface Cut Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213
Creating Pattern Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
Editing Pattern Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .223
Editing Array Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .223
Creating Copied Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .224
Editing Copied Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227
Creating Combined Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227
Editing Combined Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .228
Creating Part Splits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229
Editing Part Splits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .231
Chapter 11 Using Design Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .234
Basic Concepts of Design Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235
Preparing The Drawing File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236
Contents | vii
Using Design Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Active Part Design Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Global Design Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Creating Active Part Design Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Assigning Design Variables to Active Parts . . . . . . . . . . . . . . . . . . . . . . . . 242
Modifying Design Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Working with Global Design Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Chapter 12 Creating Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Basic Concepts of Creating Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Creating Base Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Sketching Base Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Creating Work Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Defining Sketch Planes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Creating Extruded Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Constraining Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Dimensioning Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Creating Constraints Between Features. . . . . . . . . . . . . . . . . . . . . . 276
Editing Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Extruding Profiles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Creating Revolved Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Creating Symmetrical Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Constraining Sketches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Refining Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Shading and Lighting Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Chapter 13 Creating Drawing Views. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Basic Concepts of Creating Drawing Views . . . . . . . . . . . . . . . . . . . . . . . 309
Planning and Setting Up Drawings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Creating Drawing Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Cleaning Up Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Hiding Extraneous Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Moving Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Hiding Extraneous Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
Enhancing Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Changing Dimension Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Creating Reference Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Creating Hole Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Creating Centerlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Creating Other Annotation Items . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Modifying Drawing Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Exporting Drawing Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
viii | Contents
Chapter 14 Creating Shells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .346
Basic Concepts of Creating Shells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .347
Adding Shell Features to Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .347
Using Replay to Examine Designs . . . . . . . . . . . . . . . . . . . . . . . . . .348
Cutting Models to Create Shells . . . . . . . . . . . . . . . . . . . . . . . . . . . .350
Editing Shell Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .352
Adding Multiple Wall Thicknesses . . . . . . . . . . . . . . . . . . . . . . . . . .354
Managing Multiple Thickness Overrides . . . . . . . . . . . . . . . . . . . . .358
Chapter 15 Creating Table Driven Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .362
Basic Concepts of Table Driven Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . .363
Setting Up Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .364
Displaying Part Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .366
Editing Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .367
Resolving Common Table Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .369
Suppressing Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .371
Working with Two Part Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .377
Creating Drawing Views. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .379
Cleaning Up the Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .384
Displaying Dimensions as Parameters . . . . . . . . . . . . . . . . . . . . . . .384
Hiding Extraneous Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . .385
Moving Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .387
Enhancing Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .390
Creating Power Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .390
Creating Hole Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .393
Pasting Linked Spreadsheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .396
Chapter 16 Assembling Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .400
Basic Concepts of Assembling Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .401
Starting Assembly Designs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .402
Using External Parts in Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .403
Assembling Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .406
Constraining Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .407
Using the Desktop Browser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .414
Getting Information from Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . .417
Checking for Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .417
Calculating Mass Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .418
Creating Assembly Scenes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .420
Contents | ix
Creating Assembly Drawing Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Editing Assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433
Editing External Subassemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433
Editing External Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 434
Editing Assembly Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438
Chapter 17 Combining Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Basic Concepts of Combining Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445
Working in Single Part Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
Creating Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
Creating Toolbody Part Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
Working with Combine Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458
Creating Relief Toolbodies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461
Combining Toolbodies with Spacers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463
Adding Weight Reduction Holes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465
Adding Weight Reduction Extrusions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
Adding Mounting Holes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
Chapter 18 Assembling Complex Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 478
Basic Concepts of Complex Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . 479
Starting the Assembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479
Creating Local and External Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481
Applying Assembly Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483
Creating New Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491
Creating Subassemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494
Defining and Activating Subassemblies. . . . . . . . . . . . . . . . . . . . . . 494
Using External Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495
Instancing Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496
Completing Assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497
Applying Assembly Constraints. . . . . . . . . . . . . . . . . . . . . . . . . . . . 497
Restructuring Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504
Analyzing Assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 506
Editing Mechanical Desktop Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508
Reloading External References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509
Assigning Mass Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 510
Calculating Mass Properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 511
Reviewing Assembly Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513
Creating Exploded Assembly Scenes . . . . . . . . . . . . . . . . . . . . . . . . 513
Using Tweaks and Trails in Scenes. . . . . . . . . . . . . . . . . . . . . . . . . . 515
Creating Assembly Drawing Views . . . . . . . . . . . . . . . . . . . . . . . . . 518
x | Contents
Creating Bills of Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .522
Customizing BOM Databases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .523
Working with Part References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .525
Adding Balloons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .527
Placing Parts Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .529
Finishing Drawings for Plotting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .531
Chapter 19 Creating and Editing Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 533
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .534
Basic Concepts of Creating Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . .535
Working with Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .536
Creating Motion-Based Surfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .538
Revolved Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .538
Extruded Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .539
Swept Surfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .540
Creating Skin Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .546
Ruled Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .546
Trimmed Planar Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .554
Lofted Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .555
Creating Derived Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .559
Blended Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .559
Offset Surfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .563
Fillet and Corner Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .565
Editing Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .569
Adjusting Adjacent Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .569
Joining Surfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .570
Trimming Intersecting Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . .571
Trimming Surfaces by Projection . . . . . . . . . . . . . . . . . . . . . . . . . . .573
Chapter 20 Combining Parts and Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 575
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .576
Basic Concepts of Combining Parts and Surfaces . . . . . . . . . . . . . . . . . . .577
Using Surface Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .577
Creating Surface Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .579
Attaching Surfaces Parametrically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .582
Cutting Parts with Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .584
Creating Extruded Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .586
Creating Holes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .598
Creating Features on a Work Plane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .601
Modifying Designs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .609
Finishing Touches on Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .611
Contents | xi
Chapter 21 Surfacing Wireframe Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 613
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 614
Basic Concepts of Surfacing Wireframe Models . . . . . . . . . . . . . . . . . . . . 615
Discerning Design Intent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615
Identifying Logical Surface Areas. . . . . . . . . . . . . . . . . . . . . . . . . . . 616
Identifying Base Surface Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617
Using Trimmed Planar Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . 619
Choosing a Surfacing Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 620
Verifying Surfacing Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 623
Surfacing Wireframe Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 624
Creating Trimmed Planar Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 626
Joining Surfaces on Complex Shapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 634
Creating Swept and Projected Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 645
Creating Complex Swept Surfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 655
Using Projection to Create Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 661
Using Advanced Surfacing Techniques. . . . . . . . . . . . . . . . . . . . . . . . . . . 665
Viewing Completed Surfaced Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 669
Chapter 22 Working with Standard Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . 671
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 672
Tutorial at a Glance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 673
Basic Concepts of Standard Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 673
Inserting Through Holes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 674
Using Cylinder Axial Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . 674
Using Cylinder Radial Placement . . . . . . . . . . . . . . . . . . . . . . . . . . 677
Inserting Screw Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 681
Chapter 23 Creating Shafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 689
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 690
Tutorial at a Glance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 691
Basic Concepts of the Shaft Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . 691
Using the Shaft Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 692
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 692
Creating Shaft Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 693
Adding Threads to Shafts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 695
Adding Profile Information to Shafts . . . . . . . . . . . . . . . . . . . . . . . 697
Editing Shafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 698
Adding Standard Parts to Shafts. . . . . . . . . . . . . . . . . . . . . . . . . . . . 701
Displaying and Shading 3D Views. . . . . . . . . . . . . . . . . . . . . . . . . . 705
xii | Contents
Chapter 24 Calculating Stress on 3D Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 707
Key Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .708
Tutorial at a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .709
Basic Concepts of 3D FEA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .709
Using 3D FEA Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .710
Performing Finite Element Analyses. . . . . . . . . . . . . . . . . . . . . . . . .710
Defining Supports and Forces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .711
Calculating and Displaying the Result . . . . . . . . . . . . . . . . . . . . . . .715
Desktop Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .720
Part Modeling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .721
Part Modeling New Part . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .721
Part Modeling New Sketch Plane . . . . . . . . . . . . . . . . . . . . . . . . .722
Part Modeling 2D Sketching. . . . . . . . . . . . . . . . . . . . . . . . . . . . .722
Part Modeling 2D Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . .725
Part Modeling Profile a Sketch . . . . . . . . . . . . . . . . . . . . . . . . . . .726
Part Modeling Sketched Features . . . . . . . . . . . . . . . . . . . . . . . . .727
Part Modeling Placed Features . . . . . . . . . . . . . . . . . . . . . . . . . . .727
Part Modeling Work Features . . . . . . . . . . . . . . . . . . . . . . . . . . . .727
Part Modeling Power Dimensioning . . . . . . . . . . . . . . . . . . . . . .728
Part Modeling Edit Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .728
Part Modeling Update Part . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .728
Part Modeling Part Visibility . . . . . . . . . . . . . . . . . . . . . . . . . . . .729
Part Modeling Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .729
Toolbody Modeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .730
Toolbody Modeling New Toolbody . . . . . . . . . . . . . . . . . . . . . . .730
Toolbody Modeling Part Catalog . . . . . . . . . . . . . . . . . . . . . . . . .730
Toolbody Modeling 3D Toolbody Constraints . . . . . . . . . . . . . .731
Toolbody Modeling Power Manipulator . . . . . . . . . . . . . . . . . . .731
Toolbody Modeling Check Interference. . . . . . . . . . . . . . . . . . . .731
Toolbody Modeling Toolbody Visibility . . . . . . . . . . . . . . . . . . .732
Assembly Modeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .732
Assembly Modeling New Subassembly. . . . . . . . . . . . . . . . . . . . .733
Assembly Modeling Assembly Catalog. . . . . . . . . . . . . . . . . . . . .733
Assembly Modeling 3D Assembly Constraints. . . . . . . . . . . . . . .733
Assembly Modeling Assign Attributes . . . . . . . . . . . . . . . . . . . . .734
Assembly Modeling Power Manipulator . . . . . . . . . . . . . . . . . . .734
Assembly Modeling Mass Properties. . . . . . . . . . . . . . . . . . . . . . .734
Assembly Modeling Assembly Visibility. . . . . . . . . . . . . . . . . . . .734
Contents | xiii
Surface Modeling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 735
Surface Modeling AutoSurf Options . . . . . . . . . . . . . . . . . . . . . . 735
Surface Modeling Swept Surface . . . . . . . . . . . . . . . . . . . . . . . . . 736
Surface Modeling Loft U Surface . . . . . . . . . . . . . . . . . . . . . . . . . 736
Surface Modeling Blended Surface. . . . . . . . . . . . . . . . . . . . . . . . 736
Surface Modeling Flow Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . 737
Surface Modeling Object Visibility . . . . . . . . . . . . . . . . . . . . . . . 737
Surface Modeling Surface Display . . . . . . . . . . . . . . . . . . . . . . . . 737
Surface Modeling Stitches Surfaces . . . . . . . . . . . . . . . . . . . . . . . 738
Surface Modeling Grip Point Placement . . . . . . . . . . . . . . . . . . . 738
Surface Modeling Lengthen Surface . . . . . . . . . . . . . . . . . . . . . . 738
Surface Modeling Extract Surface Loop . . . . . . . . . . . . . . . . . . . . 739
Surface Modeling Edit Augmented Line . . . . . . . . . . . . . . . . . . . 739
Surface Modeling Wire Direction . . . . . . . . . . . . . . . . . . . . . . . . 739
Scene . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 740
Scene New Scene . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 740
Scene Scene Visibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 741
Drawing Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 741
Drawing Layout Power Dimensioning . . . . . . . . . . . . . . . . . . . . 742
Drawing Layout Drawing Visibility. . . . . . . . . . . . . . . . . . . . . . . 744
Mechanical View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 744
Mechanical View Zoom Realtime . . . . . . . . . . . . . . . . . . . . . . . . 745
Mechanical View 3D Orbit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745
Mechanical View Sketch View. . . . . . . . . . . . . . . . . . . . . . . . . . . 746
Mechanical View Restore View #1. . . . . . . . . . . . . . . . . . . . . . . . 746
Mechanical View Toggle Shading/Wireframe . . . . . . . . . . . . . . . 747
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 749
xiv
1
Part I
Getting Started
with Autodesk
®
Mechanical Desktop
®
Part I provides information for getting started with your Mechanical Desktop 6 software. It
includes information to help in the transition from AutoCAD
®
and the migration of files
from previous releases. It explains the user interface and the basics of modeling in the
different work environments in Mechanical Desktop.
In addition, Part I provides a guide to both the print and online documentation that you
received with your Mechanical Desktop software. Information about training courseware
and Internet resources are also included.
2 |
3
In This Chapter
1
Welcome
This chapter provides an overview of the capabilities of
Autodesk
®
Mechanical Desktop
®
6 software. You learn
about the transition from AutoCAD
®
, data exchange,
and the migration of files from previous releases with the
Mechanical Desktop Migration Assistance.
About Mechanical Desktop
Making the transition from
AutoCAD
Migrating files from previous
releases
4 | Chapter 1 Welcome
What is Autodesk Mechanical Desktop?
Mechanical Desktop is a powerful and easy-to-use 3D parametric modeler
used in mechanical design. Built on AutoCAD 2002, the Mechanical Desktop
6 design software package includes:
AutoCAD Mechanical 6 with the power pack (2D Parts and Calculations)
Mechanical Desktop 6 with the power pack (Mechanical Desktop 6, 3D
Parts and Calculations)
AutoCAD 2002
When you start Mechanical Desktop 6, you have the option to run it with or
without the power pack.
The Mechanical Desktop software provides design tools to
Create parts from sketched and placed features
Combine parts and toolbodies
Build assemblies and subassemblies
Define scenes for drawing views
Set up drawing sheets and views
Annotate drawings for final documentation
Manage and reuse design data
Migrate and edit legacy solids data
Productivity and collaboration tools in Mechanical Desktop enable you to
improve workflows and comply with company practices.
Web tools are provided in a design portal called the Today page. From the
Today page, you can
Start a new drawing or open an existing drawing
Access symbol libraries
Communicate to design team members through a Web page you create
from a template provided
Link directly to design information on the Web
Link directly to Autodesk Web pages
For more information about the Today page, see Mechanical Desktop
Today on page 14.
Making the Transition from AutoCAD | 5
Making the Transition from AutoCAD
Mechanical Desktop 6 is built on AutoCAD 2002 and uses many of the tools
you may already be familiar with. Because Mechanical Desktop is a parametric
modeling program, exercise care in using standard AutoCAD commands.
In the sketching stage, you can use any AutoCAD command to create the
geometry for your sketch. You can use AutoCAD drawing and editing tools
to edit sketch geometry after it has been consumed by a feature.
In general, follow these rules:
Use Mechanical Desktop dimensions. AutoCAD dimensions are not
parametric and cannot control the size, shape, or position of Mechanical
Desktop parts and features.
Use sketch planes and work planes to control the UCS orientation. Using
the AutoCAD
UCS command does not associate the current plane with
your part.
Do not use the command EXPLODE. Exploding a part deletes the part
definition from a Mechanical Desktop drawing.
Use the Assembly Catalog or the Browser to insert external part files into
drawings and externalize part files. Using the AutoCAD
INSERT, WBLOCK,
XREF, and XBIND commands could corrupt Mechanical Desktop data.
Use the Mechanical Desktop drawing view commands to create drawing
views. The AutoCAD
MVIEW command does not create associative views
of your parts.
Migrating Files from Previous Releases
In Mechanical Desktop 6, you can add more than one part to a part file for
creating combined parts. The first part becomes the part definition, while all
other parts become unconsumed toolbodies. You combine toolbodies with
each other and the first part to create a complex part.
To migrate parts from a part file that contains more than one part and was
created before Mechanical Desktop Release 2, you need to follow specific
procedures. See "Running the Desktop File Migration Utility" in the Autodesk
Mechanical Products Installation Guide on the product CD.
The File Migration Tool (FMT) is a component of Mechanical Desktop
Migration Assistance, an independent Visual Basic (not VBA) application
located on your product CD. The FMT migrates multiple files from previous
releases of Mechanical Desktop to the current format. You can install
Mechanical Desktop Migration Assistance during or after the installation of
your Autodesk mechanical product.
6 | Chapter 1 Welcome
To install the Mechanical Desktop Migration Assistance from your product CD
1 Hold down the
SHIFT key while you insert the product CD into the CD-ROM
drive. This prevents Setup from starting automatically.
2 In the file tree of the CD-ROM drive, navigate to the Migrate folder and click
setup.exe.
3 Respond to the directions in the Mechanical Desktop Migration Assistance
installation dialog boxes.
NOTE For more information about installing the Migration Assistance and
running the FMT, see "Mechanical Desktop Migration Assistance" in the
Autodesk Mechanical Products Installation Guide on your product CD.
Data Exchange
During your design process, you may want to complement Mechanical
Desktop with other computer-aided design (CAD) software. Mechanical
Desktop 6 includes the STEP translator and the IGES Translator. The Standard
for the Exchange of Product Model Data (STEP) is International Standards
Organization (ISO) 10303. The Initial Graphics Exchange Specification
(IGES) is the ANSI standard for data exchange between CAD systems and is
supported by many CAD vendors.
The IGES Translator is compliant with the most recent version of IGES and
related standards. It supports both the United States Department of Defense
Continuous Acquisition and Life-cycle Support initiative (CALS) and the Japa-
nese Automotive Manufacturers Association subset of IGES (JAMA).
Besides creating and maintaining a flexible CAD tool environment, the
Translator preserves the investment you have made in previous designs
developed with other CAD systems.
The Translator supports the following types of design objects:
2D and 3D wireframe geometry
Ruled, parametric, and NURBS surfaces
Mechanical Desktop and AutoCAD native solids, and IGES boundary
representation solids (B-rep).
For more information, see STEP and IGES in the Mechanical Desktop Help.
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Autodesk AutoCAD Mechanical Desktop 6.0 Operating instructions

Type
Operating instructions

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