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內容簡介: |
本书重点讲述机械工程领域中与CADCAM相关的基础知识与理论、关键应用技术和软件系统开发技术等。主要内容包括:CADCAM技术基础、CADCAM软硬件系统、几何变换、三维实体建模技术、反求工程、参数化编程、有限元技术、虚拟样机技术、虚拟现实技术、先进制造技术、计算机辅助制造、CADCAM软件系统开发等。本书注重理论与实践的结合,在参考国内外大量文献资料的基础之上,将CADCAM的基础知识与理论、软件系统(包含SolidWorks、SolidCAM、ANSYS、ADAMS等)与工程机械设计、钻机设计自动化、数控切割CAM系统开发等实际应用结合在一起,突显了实用性,有利于感兴趣的读者自学和教师讲授。本书采用英文撰写,可作为普通高等院校机械工程专业本科生与研究生的双语教学课程的教材,也可供从事CADCAM系统研究与开发的工程技术人员参考。
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關於作者: |
文国军, 男,汉族,中共党员,1978年4月生,教授,博士。现担任中国地质大学(武汉)机械与电子信息学院机械工程系副主任。曾获得中南地区及港澳特区第五届机械创新比赛一等奖及湖北省科技进步二等奖
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目錄:
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Contents
Chapter 1Introduction to CADCAM1
1.1Historical Perspective of CADCAM1
1.2Benefit of CADCAM3
1.2.1Increased Productivity3
1.2.2Better Quality3
1.2.3Better Communication3
1.2.4Common Database3
1.2.5Reduced Prototype Costs4
1.2.6Faster Response to Customers4
1.3CADCAM Database4
1.4CADCAM Selection Criteria5
1.5Application of CADCAM6
1.5.1Aerospace Industry6
1.5.2Automotive Industry7
1.5.3General Industry8
Chapter 2Computer Hardware of CADCAM System9
2.1Computer System Classification of CADCAM9
2.1.1Mainframe Computer Platforms9
2.1.2Engineering Workstation Platforms10
2.1.3Microcomputer Platforms10
2.2Computer Hardware Basic Operation11
2.3Typical Computer Hardware Configuration of CADCAM13
Chapter 3Geometric Transformations15
3.1Definition of Geometric Transformation16
3.2Transformation of a Point17
3.3Generic Transformation17
3.3.1Translation17
3.3.2Scaling18
3.3.3Reflection19
3.3.4Rotation20
3.3.5Shear21
3.4Complex Transformation22
3.4.1Concatenated Transformations22
3.4.2Homogeneous Representation22
3.4.3Geometric Transformation for Three View Drawing 23
3.5Perspective Projection Transformation25
3.5.1Principle of Perspective Projection Transformation26
3.5.2Classification of Perspective Projection Transformation27
Chapter 4CADCAM Modeling Technology29
4.1Functions of ICG Technology 29
4.1.1Input Functions29
4.1.2Producing Graphic Images30
4.1.3Manipulation of Graphic Images30
4.1.4Terminal Display Control30
4.1.5Editing Functions30
4.2Basic Operation of CADCAM Modeling Software30
4.3Modeling System Classification32
4.3.1CAD 2D Wireframe Systems33
4.3.2CAD 3D Wireframe Systems34
4.3.3Surface Model Systems35
4.3.4Solid Model Systems36
4.4Parametric Modeling40
4.4.1Profile41
4.4.2Dimension drive41
4.4.3Variable Drive42
4.4.4ConstraintBased42
4.4.5Rationality Checking43
4.4.6Dynamic Navigator43
4.4.7FeatureBased Modeling43
4.5SolidWorks Modeling Software44
4.5.1Concepts44
4.5.2Terminology45
4.5.3User Interface46
4.5.4Design Process51
4.5.5Design Intent52
4.5.6Design Method52
Chapter 5Reverse Engineering62
5.1Basic Phases of Reverse Engineering62
5.2Data Capture Methods64
5.3Data Capture Devices66
5.3.13D Digitizer 66
5.3.2Coordinate Measuring Machine67
5.3.33D Laser Scanners67
5.3.4StructuredLight 3D Scanners: 3D Optical Imager68
Chapter 6Parametric Programming69
6.1Principle of Parametric Programming69
6.2Visual LISPBased Parametric Programming for AutoCAD69
6.2.1What Visual LISP Offers70
6.2.2Starting Visual LISP71
6.2.3Exploring the Visual LISP User Interface71
6.2.4Loading and Running AutoLISP Programs72
6.2.5VLISP Programming Demonstrations73
6.3VBABased Parametric Programming for AutoCAD78
6.3.1How VBA Differs from AutoLISP79
6.3.2Visual Basic versus Visual Basic for Applications80
6.3.3The AutoCAD VBA Environment80
6.3.4VBA Programming Demonstrations81
6.3.5VBA Advanced Programming Demonstration83
6.4ObjectARXbased Parametric Programming for AutoCAD91
6.4.1ObjectARX Overview91
6.4.2“Hello,World!” Program94
6.4.3Some Useful Functions98
Chapter 7Computer Aided Engineering101
7.1Finite Element Analysis102
7.2Virtual Prototyping102
7.3CAE Softwares 103
7.3.1ANSYS103
7.3.2SolidWorks Simulation103
7.3.3ADAMS104
7.4Projects of CAE Software Application 105
7.4.1Stress Analysis and Optimization of Gear Teeth for Crown Gear Based
on Limited Length Contact Theory in ANSYS Environment105
7.4.2Kinematics Simulation to Manipulator of Welding Robot Based on ADAMS110
Chapter 8Virtual Reality116
8.1Features of Virtual Reality Systems116
8.1.1Virtual Reality Immersion117
8.1.2Virtual Reality Ambience and Atmosphere117
8.2Interactive Devices for Virtual Reality118
8.2.1HeadMounted Display118
8.2.2Data Glove 119
8.2.3Data SuitClothing119
8.2.4Joysticks120
8.3VRBased Training System Development for HDD Rig120
8.3.1Development of Software Part121
8.3.2Development of Hardware Part123
Chapter 9Advanced CAM Technology126
9.1Computer Numerical Control126
9.2Directed Numerical Control127
9.3Distributed Numerical Control127
9.4Group Technology128
9.5Flexible Manufacturing129
9.6Rapid Prototyping and Manufacturing129
9.7ComputerAided Process Planning130
9.8ComputerAided Production Management131
9.9Virtual Manufacturing132
9.10Application of CAM Software: SolidCAM133
9.10.1Introduction to SolidCAM133
9.10.2Basic Concepts134
9.10.3Process Overview134
9.10.4Description of SolidCAM Modules135
Chapter 10CADCAM Software Development139
10.1Development Principal139
10.2Development Process139
10.2.1Planning140
10.2.2Implementation, Testing and Documenting140
10.2.3Deployment and Maintenance140
10.3Data Processing for Engineering Manuals140
10.3.1Programming for Numerical Tables141
10.3.2Programming for Line Graph145
10.4Projects of CADCAM Software Development149
10.4.1CAD Software Development for Automated Design of Chuck of
Core Drilling Rig149
10.4.2CAM Software Development for CNC Cutting Machine157
Reference166
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