M Autodesk. Press. Thomson Learning

Transcription

1 .( '; f : 'L DANIEL T. BANACH-^ zzmechanical Desktop 4 Applying Designer and "Ässembly Modules M Autodesk Press Thomson Learning Africa Australia Canada Denmark Japan Mexico New Zealand Philippines Puerto Rico Singapore Spain United Kingdom United States

2 CONTENTS INTRODUCTION PRODUCT BACKGROUND REQUIREMENTS BASICS OF 3D MODELING TERMS AND PHRASES OVERVIEW OF PART CREATION TOOLBARS BOOK'S INTENT SPECIAL SECTIONS BOOK NOTATIONS THE TUTORIALS AND EXERCISES FILES INCLUDED ON THE CD ACKNOWLEDGMENTS DEDICATION xv xv xvi xvi xvi xx xx xxi xxi xxi xxii xxii xxiii CHAPTER I USER INTERFACE, COMMAND ENTRY, PART PREFERENCES, SKETCHING, PROFILING, CONSTRAINING, AND DIMENSIONING USER INTERFACE AND COMMAND ENTRY 2 *Toolbars 3 Tool Tips 4 IntelliMouse 5 Mechanical Desktop Browser 5 MECHANICAL DESKTOP OPTIONS 5 *DesktopTab 7 *PartTab 9 *ltems are new or changed commands or procedures in Mechanical Desktop 4 v

3 vi SKETCH THE OUTLINE OFTHE PART: STEP I I I PROFILETHE SKETCH: STEP 2 12 PROFILING THE LAST OBJECT DRAWN 14 Tutorial 1.1 Sketching and Profiling (Bottom Clamp) I 5 CONSTRAINTHE SKETCH: STEP 3 16 Show Constraints 24 Add Constraints 25 Delete Constraints 27 Re-Solving Profiles 27 *Grip Editing 28 Tutorial LI (continued) Constraining (Bottom Clamp) 28 Tutorial 1.2 Constraining 29 Tutorial 1.3 Mirror Constraint 32 DIMENSION THE PROFILED SKETCH: STEP 4 33 Linear Dimensions 34 Angular Dimensions 34 Radial Dimensions 35 Ordinate Dimensions 35 *Changing Dimensions 35 Tutorial LI (continued) Dimensioning (Bottom Clamp) 37 Tutorial 1.4 Sketching, Profiling, Constraining, and Dimensioning (Top Clamp) 38 CONVERTING EXISTING 2D DRAWINGSTO PROFILES 41 Tutorial 1.5 Converting an AutoCAD 2D drawing to a 3D Part 4 I Exercises 42 EXERCISE 43 EXERCISE 45 Review Questions 46 CHAPTER 2 VIEWING, EXTRUDING, REVOLVING AND EDITING PARTS VIEWINGA MODEL FROM DIFFERENTVIEWPOINTS 47 Options forviewing the Model 47 Tutorial 2.1 Viewing a Model 50 UnderstandingWhat A Feature Is 5 I USINGTHE BROWSER FOR CREATING AND EDITING 51 USINGTHE XY ORIENTATION IN 3-D 52 EXTRUDING THE PROFILE 53 Tutorial 2.2 Extruding the Profile 56 Tutorial 2.3 Extruding the Profile Mid-Plane 57 REVOLVING THE PROFILE 58 Tutorial 2.4 Revolve By Angle 60 Tutorial 2.5 Revolving the Profile I Tutorial 2.6 Revolving the Profile Mid-Plane 62 EDITING FEATURES IN PARTS (FEATURE EDITING) 63 Tutorial 2.7 Editing Base Features 65

4 Edit a Feature's Sketch 68 Adding and Removing Objects from a Feature's Sketch 69 Tutorial 2.8 Editing a Feature's Sketch and Adding and Removing Objects from a Sketch Object 70 EXERCISE 73 EXERCISE 75 CHAPTER 3 SKETCH PLANES, BOOLEAN OPERATIONS, FILLETS, CHAMFERS, HOLES AND ARRAYS MAKING A PLANE THE ACTIVE SKETCH PLANE 79 Face Highlighting and UCS Cycling 79 Tutorial 3.1 Face Highlighting and Sketch Planes 82 Tutorial 3.2 Face Highlighting and Sketch Planes 84 Cutjoin, Intersect and the Split Operation 85 Sketched Features 86 *Editing Features and Failed Features 89 Renaming features with the Browser Assembly Tab 89 Tutorial 3.3 Extruding with CutThrough 90 Tutorial 3A Extruding with Cut: Blind 92 Tutorial 3.5 Revolving with Cut 94 Tutorial 3.7 Extruding with Join:To Face/Plane 98 Tutorial 3.8 Revolving with Join: From-To I 02 Tutorial 3.9 Revolving with Intersect: Füll I 05 Tutorial 3.10 Split Operation I 06 Deleting Features I 07 Tutorial 3.1 I Deleting Features I 08 PLACED FEATURES 109 FILLETS 109 Constant Fillet I I 0 Tutorial 3.12 Creating a Constant Fillet I I 0 Linear Fillet I 12 Tutorial 3.13 Creating a Linear Fillet I I 3 Cubic Fillet I 14 Tutorial 3.14 Creating a Cubic Fillet I I 6 FixedWidth Fillet I I 7 Tutorial 3.15 FixedWidth Filleting I I 7 CHAMFERS I 19 Tutorial 3.16 Creating a Chamfer: Equal Distance I 20 Tutorial 3.17 Creating a Chamfer:Two Distances Chamfer 122 Distance x Angle Chamfer I 25 Tutorial 3.18 Creating a Chamfer: Distance x Angle I 25 HOLES 127 Tutorial 3.19 Creating a Hole: Drilled.Through, Blind, Concentric and Two Edges..130 EXERCISE 131

5 viii Tutorial 3.20 Creating a Hole: Counter Bore, Counter Sink,Through, Concentric and On Point I 34 Tutorial 3.21 Creating a Hole: Drill,Two Edges, From Point and Editing I 36 Exercises I 43 EXERCISE 145 CHAPTER 4 DRAWING VIEWS AND ANNOTATIONS *DRAWINGTAB 149 Suppress I 50 ANNOTATION TAB 15 I View Type 155 Data Set I 55 Layout 155 Hidden Lines tab I 56 Section Views tab I 56 Properties 157 Tutorial 4.1 Creating DrawingViews from a Part I 57 Multiple Views I 6 I Tutorial 4.2 Creating Drawing Views with the Multiple Option I 62 SECTION VIEWS 164 Offset Section Views I 64 Aligned Section Views I 65 Breakout Section Views I 65 Tutorial 4.3 Creating an Offset Sectioned Drawing View I 66 Tutorial 4.4 Creating an Aligned Sectioned Drawing View I 68 Tutorial 4.5 Creating a Breakout Sectioned Drawing View I 70 Radial Section Views I 72 Tutorial 4.6 Creating a Radial Sectioned Drawing View I 72 Editing Drawing Views I 73 Placement I 75 Moving Drawing Views I 76 Deleting Drawing Views I 76 EDITING DIMENSIONS I 79 Change Dimensions I 79 Hide Dimensions I 8 I Move and Reattach Dimensions I 82 Tutorial 4.9 Moving Dimensions I 84 Reference Dimensions I 86 Hole Notes I 87 Tutorial 4.10 Adding Reference Dimensions and Hole Notes 189 Edit,Align,Join, Insert and Break Dimensions I 90 Tutorial 4.11 Aligning.Joining, Inserting and Breaking Dimensions I 92 Center Marks and Centerlines I 93 Annotations I 94 Symbols 195

6 Contents ix Tutorial 4.12 Center Marks, Center Lines and Symbols I 96 Exercises Drawing Views with Annotations I 97 EXERCISE 199 Review Questions CHAPTER 5 WORK AXIS.WORK PLANES, WORK POINTS, 3D PATH (SWEEP), LOFT AND VISIBILITY CREATING AWORK AXIS 203 Tutorial 5.1 WorkAxis 205 CREATING AWORK PLANE 207 Work Planes On Edge/Axis-On Edge/Axis 2 I 0 Tutorial 5.2 Creating a Work Plane On Edge/Axi-On Edge/Axis 210 Work Planes On Edge/Axis - Planar Angle Tutorial 5.3 Creating a Work Plane On Edge/Axis - Planar Angle Work Planes:Tangent - Planar Parallel 2 I 3 Tutorial 5.4 Creating awork Plane: Tangent - Planar Parallel 2 I 3 Tutorial 5.5 Creating a Work Plane Tangent - Planar Parallel 216 Work Planes:Tangent - On Edge/Axis 2 I 7 Tutorial 5.6 Creating a Work Plane Tangent - On Edge/Axis 217 Work Planes: Planar Parallel 2 I 8 Tutorial 5.7 Creating a Work Plane Planar Parallel - Offset 2 I 8 Work Planes:Tangent totwo Circular Edges 2 I 9 Tutorial 5.8 Creating a Work Plane Tangent-Tangent 220 Work Planes: Basic Work Planes 220 CREATING WORK POINTS 220 Tutorial 5.8 Creating Work Points 222 Tutorial 5.9 Work Features 224 CONTROLLING THE VISIBILITY OF OBJECTS 230 Tutorial 5.10 Using DesktopVisibility Options 233 SWEEPINGTHE PROFILE D Sweep 234 Tutorial 5.11 Sweeping an Open Path 237 Tutorial 5.12 Sweeping a Closed Path DPath 240 Tutorial 5.13 Sweeping Along an Edge 242 Tutorial D Path Spring 245 Tutorial D PathThread 248 *Pipe 250 Tutorial D Path Pipe Unconstrained 253 Tutorial D Path Pipe Constrained 255 *Spline 258 Tutorial D Spline Path Pipe Unconstrained 260 LOFTED PARTS 262 Tutorial 5.19 Lofted Parts, Linear and Cubic I 2 I I 21 I

7 Tutorial 5.20 Lofted Parts, Closed Cubic 270 Exercise Review Questions 273 CHAPTER 6 ADVANCED DIMENSIONING, CONSTRAINING AND SKETCHING TECHNIQUES CONSTRUCTION GEOMETRY 275 Tutorial 6.1 Using Construction Geometry in Creating a Hexagon 276 Tutorial 6.2 Using Construction Geometry to Dimension to a Quadrant 278 *MULTIPLE PROFILES 278 Tutorial 6.3 Multiple Individual and Looped Profiles 279 CLOSE EDGE 281 Tutorial 6.4 Closing a Profile by Selecting Edges 282 COPY SKETCH 284 *SHOW OBJECTS ON THE ACTIVE SKETCH PLANE 284 *PROJECT OBJECTS/FACE 285 COPY EDGE 286 Tutorial 6.5 Copying and Projecting Sketches and Copying Edges 287 *POWER DIMENSIONING 290 *POWER EDIT 292 *AUTOMATIC DIMENSION 293 Parallel 293 Ordinate 293 Shaft/Symmetric 294 Tutorial 6.6 Power Dimension, Power Edit and Automatic Dimensioning 294 DIMENSION DISPLAY AND EQUATIONS 296 Tutorial 6.7 Using Dimension Display and Equations 299 DESIGN VARIABLES 302 Active Part Variables 303 *EQUATION ASSISTANT 305 Tutorial 6.8 Using Active Part Design Variables 307 Tutorial 6.9 Using Global Design Variables 309 Table Driven Parts 3 Tutorial 6.10 Using Table Driven Parts as Design Variables 3 14 Exercises 316 EXERCISE 317 Review Questions 319 CHAPTER 7 ADVANCED MODELING TECHNIQUES FEATURE SUPPRESSION 322 Tutorial 7.1 Feature Suppression 324 SUPPRESSING FEATURES THROUGH A TABLE 325 Tutorial 7.2 Feature Suppression Using atable 327 SCALING A PART 328 Tutorial 7.3 Scaling I

8 Contents Tutorial 7.4 Scaling a Part with Design Variables 330 SHELLING 330 DefaultThickness 330 Excluded Faces 332 Multiple Thickness Overrides 332 Set 332 Faces 332 Tutorial 7.5 Shelling and Editing a Shell 332 Tutorial 7.6 Shelling 335 SPLIT LINE 337 FACE SPLIT 338 Tutorial 7.7 Split Line and Face Split 339 FACE DRAFT 340 Tutorial 7.8 Draft Angle, From Plane 342 Tutorial 7.9 Draft Angle on a Shelied Part Using From Plane 344 Tutorial 7.10 Draft Angle Using a Split Line 346 ARRAYS 348 Rectangular Arrays 350 PolarArrays 350 Editing Arrays 350 Tutorial 7.11 Creating and Editing a Rectangular Array Tutorial 7.12 Creating a Polar Array: Füll Circle 353 COPYING A FEATURE 355 Tutorial 7.13 Copying a Feature 357 REORDERING 359 Tutorial 7.14 Reordering 360 ADDING A SECOND PART TO A FILE 362 Instances 364 Tutorial 7.15 Creating a New Part and Activating a Part 365 MIRRORING A PART 365 Tutorial 7.16 Mirroring About A Plane 367 Tutorial 7.17 Mirroring About a Line and Replacing the Part 368 SPLITTINGA PART INTOTWO PARTS 368 Tutorial 7.18 Part Split by Planar Face and awork Plane 369 Tutorial 7.19 Part Split by a Split Line 371 CREATING COMBINED PARTS 372 Editing Combined Parts 373 Tutorial 7.20 Combining with Cut 374 Tutorial 7.21 Combining with Join 375 REPLAYING 377 Tutorial 7.22 Replaying the Command Sequence 379 MASS PROPERTIES INFORMATION FOR THE ACTIVE PART 380 MASS PROPERTIES FOR MULTIPLE PARTS 381 Tutorial 7.23 Obtaining Mass Property Information 382 Surface Stitching I

9 Tutorial 7.24 Surface Stitching 384 Exercises 384 EXERCISE 385 Review Questions 387 CHAPTER 8 ASSEMBLIES MECHANICAL DESKTOP OPTIONS -ASSEMBLYTAB 389 CREATING ASSEMBLIES 391 TOP DOWN APPROACH 391 Catalog 392 Tutorial 8.1 Top Down Assembly 394 Tutorial 8.2 Multiple Documents and Drag and Drop 397 BOTTOM UP APPROACH 398 Viewing 399 Sorting 399 Inserting 399 Editing 400 Externalizing 402 Tutorial 8.3 Bottom Up Assembly 402 SUBASSEMBLIES 404 Tutorial 8.4 Subassemblies 405 ASSEMBLY CONSTRAINTS 406 Types of Constraints 408 Tutorial 8.5 Constraining with Mate 4 I 4 Tutorial 8.6 Constraining with Flush 4 I 6 Tutorial 8.7 Constraining with Insert 4 I 8 Tutorial 8.8 Constraining with Insert and Angle 420 Tutorial 8.9 Constraining with Point and Line 423 Tutorial 8.10 Constraining with Line/plane and Point 426 EDITING ASSEMBLY CONSTRAINTS 429 Tutorial 8.1 I Editing Constraints INTERFERENCE CHECKING 433 Tutorial 8.12 Interference Checking 434 SCENES 435 Mechanical Desktop Options - SceneTab 435 Creating Scenes 436 Deleting Scenes 437 Copy Scenes 438 Lock Scenes 438 Tweaking Parts in a Scene 439 Creating Trails 440 Editing atrail 440 Deleting atrail 442 Tutorial 8.13 Creating Scenes.Tweaks and Trails I

10 Contents xiii EXERCISE 445 EXERCISE Exercise 8.1 ViceAssembly AAS Review Questions 447 CHAPTER 9 ADVANCED DRAWING AND ANNOTATIONS CREATION *TOLERANCE MODELING 449 Tutorial 9.1 Tolerance Modeling 452 *CREATING DRAWING VIEWS IN LAYOUTS 454 Tutorial 9.2 Drawing Views in Layouts 455 CREATING DRAWING VIEWS FROM SCENES.455 Tutorial 9.3 Creating Drawing Views from a Scene 456 BILL OF MATERIAL ""458 Bill of Material kons 459 BOM Dialog Box kons 462 Balkon Properties Dialog Box 466 Parts List Dialog Box 467 Tutorial 9.4 Bill of Material 470 Creating an AutoCAD 2D Drawing from Mechanical Desktop Drawing Views 475 Tutorial 9.5 2D Drawing Views from Mechanical Desktop Views 476 Exercise 9.1 Drawing Views with Balloons and a Bill of Materials 477 EXERCISE 477 Review Questions 478 CHAPTER 10 PRACTICE EXERCISES EXERCISE 10.1 HAIR DRYER 479 EXERCISE 10.2 CAR STAND 488 EXERCISE 10.3 WOOD PLANE 503 INDEX 527