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 |  موضوع: كتاب Space Modeling with SolidWorks and NX الثلاثاء 22 يناير 2019, 8:04 am | |
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Space Modeling with SolidWorks and NX
Joze Duhovnik, Ivan Demsar, Primoz Dresar
ويتناول الموضوعات الأتية :
Contents
1 Introduction 1
1.1 Arranging Rooms for the Study of Modelling 3
1.2 Development and Design Process and Engineering
Graphics 4
2 Technical Freehand Sketching 15
2.1 Sketching Basics 15
2.2 CAD and Technical Freehand Drawing . 17
2.3 Basic Rules of Freehand Drawing . 18
2.3.1 Material, Sketching Tools 18
2.3.2 Sketching Straight Lines . 20
2.3.3 Sketching Curved Lines . 29
2.4 CAD and Technical Freehand Sketching 34
2.4.1 Procedural Sketching . 36
2.4.2 Stroke Sketching 42
2.5 Sketching Spatial Drawings . 42
2.5.1 Presenting a Half Cross-Section 43
3 3D Modelling . 49
3.1 Topological Elements in a 3D Modeller 50
3.1.1 Point . 51
3.1.2 Edge . 53
3.1.3 Loop . 54
3.1.4 Surface . 55
3.1.5 Volume . 55
3.2 Presenting 3D Models . 56
3.2.1 Wireframe Model 56
3.2.2 Surface Model 57
3.2.3 Volume (Solid) Model 58
3.3 Geometric Transformations . 63
3.3.1 Translation . 64
3.3.2 Rotation 65
vii3.3.3 Scaling . 66
3.3.4 Mirroring 67
3.3.5 Perspective Projection . 68
4 3D-Modelling Software Packages 71
4.1 Introduction 71
4.2 SolidWorks 72
4.2.1 Menu Bar . 72
4.2.2 Command Manager and Toolbars . 73
4.2.3 Heads-Up View Toolbar . 73
4.2.4 Manager Window 74
4.2.5 Task Pane . 77
4.2.6 Status Bar . 78
4.2.7 Graphic Area . 78
4.2.8 SolidWorks Options 80
4.3 Siemens NX PLM . 83
4.3.1 Introductory Window . 83
4.3.2 Manipulating the View in the Graphic Window . 85
4.3.3 Ribbon Bar 85
4.3.4 Top Border Bar . 87
4.3.5 Resource Bar . 88
4.3.6 Radial Tool Bar/Shortcut . 89
4.3.7 Keyboard Shortcuts . 92
4.3.8 NX Options 94
4.3.9 Application Tab . 94
4.3.10 Synchronous Modelling 94
4.3.11 Command Finder 95
5 Extrusion 97
5.1 Manufacturing Technology . 97
5.2 Modelling Prismatic Objects 99
5.2.1 Object Formation in Space . 100
5.2.2 Basic Sketches on the Basic Plane 101
5.2.3 Extrusion of a Basic Sketch on a Plane Into Space . 103
5.2.4 The Formation of Complex Shapes and Details
Using Extrusions 105
5.3 Modelling in SolidWorks . 108
5.3.1 Basic Form 108
5.3.2 Cut-Out on the Front Top Part . 111
5.3.3 Cone Cut-Out 30 10 mm on the Back Top Part . 111
5.3.4 Groove Modelling 8 4 mm 112
5.3.5 Creation of Through Holes /8:5 mm 113
viii Contents5.3.6 Slot Modelling /13 20 mm . 113
5.3.7 Grove Modelling 25 8 mm on the Bottom Part 114
5.3.8 Final Model 114
5.4 Modelling in NX 116
5.4.1 The Creation of a Model . 116
5.4.2 The Positioning of an Object in Space . 116
5.4.3 Basic Sketch . 118
5.4.4 The Creation of a Basic Sketch 119
5.4.5 Cut-Out on the Front Part of the Model 120
5.4.6 Prismatic Cut-Out 30 10 mm
on the Top Upper Part 122
5.4.7 Modelling of a Small Groove 8 4 mm
on the Bottom of the Cone Cut Out . 122
5.4.8 Modelling of Through Holes /8:5 mm
on the Basic Sketch 123
5.4.9 Modelling of a Slot /13 20 mm 125
5.4.10 Modelling of a Special Groove 25 8 mm 125
5.4.11 Final Model 127
5.5 Examples 129
6 Revolving 135
6.1 Manufacturing Technology . 135
6.2 Modelling of Axisymmetric Models . 136
6.2.1 Positioning of an Object in Space . 137
6.2.2 Positioning of the Basic Sketch 137
6.3 Modelling in Solid Works 141
6.3.1 Basic Shaft Form 141
6.3.2 Formation of Centre Bores . 143
6.3.3 Formation of the Retaining Ring Grooves . 144
6.3.4 Formation of the Keyseats 145
6.3.5 Edge Filleting and Chamfering . 148
6.3.6 Final Model 148
6.4 Modelling in NX 149
6.4.1 Positioning of an Object in Space . 149
6.4.2 Formation of a Base Sketch in the Plane XC–YC 150
6.4.3 Revolving into Space . 150
6.4.4 Modelling a Centre Bore . 151
6.4.5 Modelling of the Retaining Ring Groove 154
6.4.6 Modelling a Keyseat 156
6.5 Examples 161
Contents ix7 Sweep 167
7.1 Manufacturing Technology . 167
7.2 Modelling Products with Constant Cross-Sections . 169
7.2.1 Positioning an Object in Space . 170
7.2.2 Creating a Base Sketch 170
7.2.3 Sweep 170
7.3 Modelling in SolidWorks . 173
7.3.1 Creating a Guide Curve 173
7.3.2 Setting a Cross-Section profile . 174
7.3.3 Curve Sweep . 174
7.3.4 Shape Complementing 176
7.3.5 Final Model 176
7.4 Modelling in NX 178
7.4.1 Creating the Guide Curve 179
7.4.2 Creating a Cross-Section Profile 180
7.4.3 Complementing the Technological Shape . 180
7.5 Examples 184
8 Loft-Transition 191
8.1 Manufacturing Technology and Use . 191
8.2 Modelling Objects with a Variable Cross-Section 193
8.2.1 Placing an Object in Space . 193
8.2.2 Creating a Base Sketch 194
8.2.3 Transition in Space . 194
8.3 Modelling in SolidWorks . 196
8.3.1 Positioning the Cross-Sections . 196
8.3.2 Forming a Transition in Space . 196
8.3.3 Creating the Inlet Part of the Casing . 197
8.3.4 Creating the Shell 200
8.3.5 Adding the Central Part 201
8.3.6 Adding the Guide-Vane Blades 202
8.3.7 Completing the Shape and the Final model 204
8.4 Modelling in NX 204
8.4.1 Setting the Main Cross-Sections
for Loft-Transition . 204
8.4.2 Creating the Guide Curve and Orienting
the Curves of the Cross-Sections . 204
8.4.3 Creating a Transition Through Cross-Sections
by Means of the Guide Curve . 209
8.4.4 Completing the Shape . 209
8.5 Examples 217
x Contents9 Supplementing the Shape 221
9.1 Manufacturing Technology and Use . 221
9.2 Auxiliary Shapes in the Modelling Process 222
9.2.1 Fillet . 223
9.2.2 Chamfer 224
9.2.3 Shelling . 225
9.2.4 Ribs . 226
9.2.5 Draft . 226
9.2.6 Patterning Geometric Entities (Pattern) . 228
9.2.7 Mirroring Geometric Entities (Mirror) 229
9.3 Modelling in SolidWorks . 229
9.3.1 A Base Model 231
9.3.2 Reinforcing Ribs 233
9.3.3 Attachment Holes 234
9.3.4 Draft . 236
9.3.5 Fillet . 236
9.3.6 Final Model 237
9.4 Modelling in NX 240
9.4.1 Creating a Rough Model . 240
9.4.2 Chamfer 240
9.4.3 Carving the Cover (Shell) 240
9.4.4 Patterning Geometric Entities (Pattern) . 243
9.4.5 Rib Modelling (Rib) 244
9.4.6 Mirroring About a Plane (Mirror) . 245
9.4.7 Creating Bores (Bore–Hole) . 246
9.4.8 Draft Modelling (Draft) 246
9.4.9 Adding Detailed Edge Blends . 250
9.5 Examples 254
10 Welding a Construction . 259
10.1 Manufacturing Technology and Use . 260
10.2 Modelling Welded Constructions . 261
10.2.1 Modelling Welded-Beam Constructions . 261
10.2.2 Modelling Other Welded Constructions
and Marking Welded Assemblies . 264
10.3 Modelling in SolidWorks . 267
10.3.1 Creation of the System Structure: Skeleton 267
10.3.2 Profile Formating Through Skeleton . 267
10.3.3 Extrusion in Space . 270
10.3.4 End-Forming Profiles . 271
10.3.5 Welds Modelling 271
Contents xi10.3.6 Cut List of Individual Parts of a Welded
Construction . 273
10.3.7 Final Model of the Welded Construction
of a Chair . 273
10.4 Modelling in NX 274
10.4.1 Creation of the System Structure: Skeleton 274
10.4.2 Formation of a Standard Profile 276
10.4.3 Extrusion of Profiles in a Skeleton Structure . 279
10.4.4 End Formation of the Profiles . 282
10.5 Examples 293
11 Sheet-Metal Bending 297
11.1 Manufacturing Technology and Use . 298
11.2 Modelling Sheet-Metal Products 299
11.2.1 Definition of the Material’s Parameters . 300
11.2.2 Methods of Modelling Sheet-Metal Products . 300
11.2.3 Features and Settings . 301
11.2.4 Setting Bent Edges . 304
11.2.5 Modelling Sheet-Metal Products 305
11.3 Modelling in SolidWorks . 306
11.3.1 Creating the Base Shape . 306
11.3.2 Adding Edge Flanges . 308
11.3.3 Completing the Shape . 312
11.3.4 Unfolding the Sheet Metal and Cutting . 313
11.3.5 Final model 316
11.4 Modelling in NX 317
11.4.1 Selecting a Module for Modelling
Sheet-Metal Products . 317
11.4.2 Creating the Base Shape . 318
11.4.3 Adding Edge Reinforcements 320
11.4.4 Completing the Shape . 325
11.4.5 Flat Surface of the Sheet-Metal Product’s
Final Shape 328
11.5 Examples 332
12 Modelling Physical Models and Parameterization 335
12.1 Measuring Physical Models . 336
12.2 Base Model 339
12.2.1 Screw Parametrization . 341
12.2.2 Bearing Parameterization . 344
12.3 Modelling in SolidWorks . 344
12.3.1 Rough Shape . 344
12.3.2 Detailed Shape 345
xii Contents12.3.3 Parameterization . 347
12.3.4 Generation of a Configuration . 348
12.4 Modelling in NX 351
12.4.1 Creation of a Rough Shape of the Model . 351
12.4.2 Formation of a Detailed Shape of the Model . 353
12.4.3 Formation of the Generator of Parts . 359
12.5 Examples 364
13 Assemblies . 367
13.1 Technology 367
13.2 Modelling Assemblies . 371
13.2.1 Assembly Structure . 371
13.2.2 Bottom-Up Building of an Assembly 371
13.2.3 Top-Down Building of an Assembly . 372
13.2.4 Relations Between the Components
in an Assembly . 373
13.3 Modelling in SolidWorks . 374
13.3.1 Preparing Components 374
13.3.2 Assembly: Bottom-Up Design Technique . 377
13.3.3 Modelling a Housing in the Top-Down Technique . 383
13.3.4 Final Assembly Model 388
13.3.5 Exploded View . 388
13.4 Modelling in NX 388
13.4.1 Bottom-Up Method . 388
13.4.2 Top-Down Method . 398
13.5 Examples 409
14 Technical Documentation (Drawing) 413
14.1 Assembling Drawing 413
14.2 Manufacturing Drawing 418
14.3 Modelling in SolidWorks . 419
14.3.1 Drawing Sheet Format 419
14.3.2 Views 421
14.3.3 Dimensioning . 427
14.3.4 Marks in the Figure 428
14.3.5 The Title Block of the Drawing 432
14.4 Modelling in NX 434
14.4.1 Format and the Title Block of the Drawing 435
14.4.2 Defining Views of 3D Objects . 437
14.4.3 Break-Out View . 441
14.4.4 Creating Details (Detail View) . 443
14.4.5 Dimensioning . 443
Contents xiii14.4.6 Tolerances and Matings 445
14.4.7 Miscellaneous Marks in the Drawing 445
14.5 Examples 451
15 Modellers and Technical Documentation . 455
15.1 The Size of Written Text and Dimensions . 455
15.2 Automated Dimensioning 456
15.3 Labelling Cross-Sections . 459
15.4 Hatching 468
15.5 Presenting the Section Planes of Axes and Screws . 472
15.6 Parts List 477
References 489
xiv Contents
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