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 |  موضوع: كتاب NX 12 for Engineering Design الخميس 21 مايو 2020, 5:09 am | |
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أخوانى فى الله
أحضرت لكم كتاب
NX 12 for Engineering Design
Ming C. Leu, Wenjin Tao, Amir Ghazanfari, Krishna Kolan
Department of Mechanical and Aerospace Engineering
Missouri University of Science and Technology
و المحتوى كما يلي :
Contents
PREFACE .1
CHAPTER 1 – INTRODUCTION .2
1.1 PRODUCT REALIZATION PROCESS 2
1.2 BRIEF HISTORY OF CAD/CAM DEVELOPMENT .3
1.3 DEFINITION OF CAD/CAM/CAE .5
1.3.1 Computer Aided Design – CAD 5
1.3.2 Computer Aided Manufacturing – CAM . 5
1.3.3 Computer Aided Engineering – CAE . 5
1.4. SCOPE OF THIS TUTORIAL 6
CHAPTER 2 – GETTING STARTED 8
2.1 STARTING AN NX 12 SESSION AND OPENING FILES .8
2.1.1 Start an NX 12 Session . 8
2.1.2 Open a New File . 9
2.1.3 Open a Part File 10
2.2 PRINTING, SAVING AND CLOSING FILES .12
2.2.1 Print an NX 12 Image . 12
2.2.2 Save Part Files 12
2.2.3 Close Part Files . 13
2.2.4 Exit an NX 12 Session . 14
2.3 NX 12 INTERFACE .14
2.3.1 Mouse Functionality . 14
2.3.2 NX 12 Gateway 17
2.3.3 Geometry Selection 21
2.3.4 User Preferences . 22
2.3.5 Applications . 25
2.4 LAYERS .26
2.4.1 Layer Control . 26II
2.4.2 Commands in Layers 27
2.5 COORDINATE SYSTEMS 29
2.5.1 Absolute Coordinate System 29
2.5.2 Work Coordinate System . 29
2.5.3 Moving the WCS 29
2.6 TOOLBARS 30
CHAPTER 3 – TWO DIMENSIONAL SKETCHING 33
3.1 OVERVIEW .33
3.2 SKETCHING ENVIRONMENT 34
3.3 SKETCH CURVE TOOLBAR .35
3.4 CONSTRAINTS TOOLBAR .37
3.5 EXAMPLES 40
3.5.1 Arbor Press Base 40
3.5.2 Impeller Lower Casing . 44
3.5.3 Impeller 48
3.6 EXERCISES .50
3.6.1 Circular Base 50
3.6.2 Sketching of a Holder . 50
CHAPTER 4 – THREE DIMENSIONAL MODELING .51
4.1 TYPES OF FEATURES .51
4.1.1 Primitives . 52
4.1.2 Reference Features . 52
4.1.3 Swept Features . 53
4.1.4 Remove Features 54
4.1.5 Extract Features 54
4.1.6 User-Defined features 55
4.2 PRIMITIVES 55
4.2.1 Model a Block 55
4.2.2 Model a Shaft . 57III
4.3 REFERENCE FEATURES .60
4.3.1 Datum Plane . 60
4.3.2 Datum Axis 61
4.4 SWEPT FEATURES 62
4.5 REMOVE FEATURES .67
4.5.1 General Hole 67
4.5.2 Pocket . 69
4.5.3 Slot . 70
4.5.4 Groove 70
4.6 FEATURE OPERATIONS .70
4.6.1 Edge Blend . 70
4.6.2 Chamfer 71
4.6.3 Thread . 71
4.6.4 Trim Body 72
4.6.5 Split Body . 73
4.6.6 Mirror . 73
4.6.7 Pattern . 73
4.6.8 Boolean Operations 74
4.6.9 Move . 75
4.7 EXAMPLES 77
4.7.1 Hexagonal Screw 77
4.7.2 Hexagonal Nut 80
4.7.3 L-Bar 83
4.7.4 Rack 87
4.7.5 Impeller 92
4.8 STANDARD PARTS LIBRARY .95
4.9 SYNCHRONOUS TECHNOLOGY 96
4.10 EXERCISES .100
4.10.1 Rocker Arm 100
4.10.2 Holder . 100IV
4.10.3 Impeller Upper Casing . 101
4.10.4 Die-Cavity 102
CHAPTER 5 – DRAFTING 104
5.1 OVERVIEW .104
5.2 CREATING A DRAFTING .105
5.3 DIMENSIONING .110
5.4 SECTIONAL VIEW .112
5.5 PRODUCT AND MANUFACTURING INFORMATION .114
5.6 EXAMPLE 117
5.7 EXERCISE 121
CHAPTER 6 – ASSEMBLY MODELING .122
6.1 TERMINOLOGY .122
6.2 ASSEMBLING APPROACHES 123
6.2.1 Top-Down Approach 123
6.2.2 Bottom-Up Approach . 123
6.2.3 Mixing and Matching . 124
6.3 ASSEMBLY AND CONSTRAINT NAVIGATORS 124
6.4 MATING CONSTRAINTS 124
6.5 EXAMPLE 125
6.5.1 Starting an Assembly . 126
6.5.2 Adding Components and Constraints . 128
6.5.3 Exploded View . 138
6.6 EXERCISES .142
6.6.1 Arbor Press . 142
6.6.2 Butterfly Valve . 142
6.6.3 Jackscrew . 146
CHAPTER 7 – FREEFORM SURFACE MODELING 148
7.1 OVERVIEW .148V
7.1.1 Creating Freeform Features from Points 148
7.1.2 Creating Freeform Features from Section Strings 149
7.1.3 Creating Freeform Features from Faces . 150
7.2 FREEFORM FEATURE MODELING 150
7.2.1 Modeling with Points . 151
7.2.2 Modeling with a Point Cloud . 152
7.2.3 Modeling with Curves 154
7.2.4 Modeling with Curves and Faces . 156
7.3 EXERCISES .158
7.3.1 An Exercise on Curves . 158
7.3.2 An Exercise on Surfaces . 159
7.3.3 Design a Computer Mouse . 160
7.3.4 Design a Sport Water Bottle . 160
CHAPTER 8 – FINITE ELEMENT ANALYSIS .161
8.1 OVERVIEW .161
8.1.1 Element Shapes and Nodes 161
8.1.2 Solution Steps . 163
8.1.3 Simulation Navigator . 164
8.2 SIMULATION CREATION .164
8.3 MATERIAL PROPERTIES .167
8.4 MESHING 169
8.5 LOADS .170
8.6 BOUNDARY CONDITIONS .171
8.7 RESULT AND SIMULATION 172
8.7.1 Solving the Simulation . 172
8.7.2 FEA Result . 174
8.7.3 Simulation and Animation . 177
8.8 EXERCISES .180
8.8.1 Arbor Press Bar 180
8.8.2 Rocker Arm 181VI
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