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E-raamat: Computer Aided Design: Engineering Design and Modeling using AutoCAD [Taylor & Francis e-raamat]

(University of Zimbabwe, Zimbabwe)
  • Formaat: 292 pages, 14 Tables, black and white; 95 Line drawings, black and white; 41 Halftones, black and white; 136 Illustrations, black and white
  • Ilmumisaeg: 16-Dec-2022
  • Kirjastus: CRC Press
  • ISBN-13: 9781003288626
Teised raamatud teemal:
  • Taylor & Francis e-raamat
  • Hind: 193,88 €*
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  • Tavahind: 276,97 €
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Computer Aided Design: Engineering Design and Modeling using AutoCADSuurem pilt
  • Formaat: 292 pages, 14 Tables, black and white; 95 Line drawings, black and white; 41 Halftones, black and white; 136 Illustrations, black and white
  • Ilmumisaeg: 16-Dec-2022
  • Kirjastus: CRC Press
  • ISBN-13: 9781003288626
Teised raamatud teemal:
Taylor & Francis e-raamatudRohkem infot Taylor & Francis e-raamatute kohta
Raamatu kodulehekülg: https://www.taylorfrancis.com/books/9781003288626
The book comprehensively discusses principles, techniques, research activities, applications and case studies of computer-aided design in a single volume. The textbook will serve as ideal study material for undergraduate, and graduate students in a multitude of engineering disciplines.

The book:





Discusses techniques for wireframe, surface and solid modelling including practical cases and limitations Each chapter contains solved examples and unsolved exercises Includes research case studies and practical examples in enabling the user to link academic theory to engineering practice Highlights the ability to convert graphic to non-graphic information such as in drawing up bills of materials in practice Discusses important topics including constructive solid geometry, Boolean operations on solid primitives and Boolean algebra

This text covers different aspects of computer-aided design, from the basic two-dimensional constructions through modifications, use of layers and dimensioning to advanced aspects such as three-dimensional modelling and customization of the package to suit different applications and disciplines.

It further discusses important concepts including orthographic projections, isometric projections, 3D wireframe modelling, 3D surface modelling, solids of extrusion and solids of revolution. It will serve as ideal study material for undergraduate, and graduate students in the fields of mechanical engineering, industrial engineering, electrical and electronic engineering, civil and construction engineering, aerospace engineering and manufacturing engineering.
Preface xv
Acknowledgements xvii
Author xix
Abbreviations xxi
1 Introduction
1(24)
2.2 Background and history of CAD
1(4)
1.2 Hardware and software requirements and devices
5(5)
1.2.1 Input devices
5(1)
1.2.2 Processors
6(1)
1.2.3 Output devices
6(2)
1.2.4 Software
8(2)
1.3 Background to AutoCAD
10(1)
1.4 Limitations to the use of CAD
11(1)
1.5 Basics for using AutoCAD
12(8)
1.5.1 AutoCAD screen
12(1)
1.5.2 Keyboard and mouse
13(1)
1.5.3 Object handles
14(1)
1.5.4 Methods of entering commands
15(1)
1.5.5 Specifying coordinates/points to the drawing editor
16(1)
1.5.6 Setting drawing limits and scales
17(1)
1.5.7 Types of lines used in AutoCAD
18(1)
1.5.8 Saving drawings and file exchange formats
19(1)
1.6 Summary and outline of book
20(5)
2 Two-dimensional drawing primitives for CAD
25(14)
2.1 Introduction and origins of graphic displays on computer
25(1)
2.2 Two-dimensional CAD coordinate system
26(1)
2.3 Two-dimensional geometric primitives and parameters
26(5)
2.3.1 Line and multiple lines
27(2)
2.3.2 Circle, arc and ellipse
29(1)
2.3.3 Polygon
30(1)
2.3.4 Polyline
30(1)
2.4 Insertion of text in AutoCAD drawings
31(2)
2.5 Creating a drawing template
33(1)
2.6 Practical applications
34(3)
2.6.1 Linear transformations and curve approximations
34(1)
2.6.2 Bezier curves and surfaces
35(2)
2.7 Summary
37(1)
2.8 Review exercises
37(2)
3 Editing CAD drawings
39(18)
3.1 Introduction
39(1)
3.2 Basic editing tools and modifications
40(8)
3.2.1 Navigating through the drawing and environment
40(1)
3.2.2 Entity properties
41(1)
3.2.3 Erase
42(1)
3.2.4 Move or copy
43(1)
3.2.5 Trim and extend
43(1)
3.2.6 Stretch
44(1)
3.2.7 Break
45(1)
3.2.8 Explode
45(1)
3.2.9 Scale and zoom
45(1)
3.2.10 Editing polylines
46(1)
3.2.11 Multiple line editing at junctions
46(2)
3.3 Advanced editing
48(5)
3.3.1 Rectangular and polar arrays
48(1)
3.3.2 Offset
48(1)
3.3.3 Fillet and chamfer
49(1)
3.3.4 Mirror
49(2)
3.3.5 Divide, measure and distance
51(1)
3.3.6 Hatching
52(1)
3.3.7 Regeneration
52(1)
3.4 Applications and productivity
53(1)
3.5 Summary
54(1)
3.6 Review exercises
54(3)
4 Dimensioning CAD drawings
57(12)
4.1 Introduction
57(1)
4.2 Dimensioning styles
58(4)
4.2.1 Dimensioning attributes/terminology
60(1)
4.2.2 Types of arrows
60(1)
4.2.3 Text position and fit
61(1)
4.2.4 Tolerances
61(1)
4.3 Dimension types
62(1)
4.4 Inserting dimensions
63(1)
4.5 Modifying dimensions
63(1)
4.6 Applications: common mistakes and remedies
64(2)
4.6.1 Superfluous dimensions
64(1)
4.6.2 Insufficient dimensions
65(1)
4.6.3 Crisscrossing dimensions
65(1)
4.6.4 Incomplete specifications
65(1)
4.6.5 Over-constrained tolerances
66(1)
4.7 Summary
66(1)
4.8 Review exercises
67(2)
5 Layers
69(6)
5.1 Introduction
69(1)
5.2 Layer properties manager
70(2)
5.2.1 Turning layers ON or OFF
71(1)
5.2.2 Locking or unlocking layers
71(1)
5.2.3 Freezing and thawing layers
72(1)
5.3 Practical applications
72(1)
5.4 Summary
73(1)
5.5 Review exercises
73(2)
6 Orthographic and isometric projections
75(12)
6.1 Introduction
75(1)
6.2 Angles of projection
76(3)
6.2.1 First angle projection
76(1)
6.2.2 Third angle projection
76(1)
6.2.3 Differences and applications of projections
77(2)
6.3 Orthographic projections from pictorial views
79(1)
6.4 Isometric projections from orthographic views
80(2)
6.5 Boxing method
82(1)
6.6 Applications and limitations
83(1)
6.7 Summary
83(1)
6.8 Review exercises
84(3)
7 Blocks and attributes
87(26)
7.1 Introduction
87(1)
7.2 Creating and saving blocks in catalogues
88(2)
7.3 Inserting blocks into drawings
90(1)
7.4 Typical blocks and their attributes
90(3)
7.5 Applications and tutorial in electronics
93(7)
7.5.1 Block attribute definition, attaching and modification
95(2)
7.5.2 Managing block attributes
97(1)
7.5.3 Extracting attributes and generating bills of materials
98(2)
7.6 Case study: CAD suite for the automatic generation of bills of materials
100(11)
7.6.1 Database management in engineering design and manufacture
102(2)
7.6.2 Case study company details
104(1)
7.6.3 Development of the BOM add-on utility
105(3)
7.6.4 Implementation of the BOM utility
108(1)
7.6.5 Implications and achievements of the BOM utility
109(2)
7.7 Summary
111(1)
7.8 Review exercises
112(1)
8 Three-dimensional wireframe and surface modelling
113(16)
8.1 Introduction
113(1)
8.2 3D coordinate system
114(1)
8.3 Viewing points
114(2)
8.4 Wireframe modelling
116(2)
8.5 Surface modelling
118(6)
8.5.1 3D face
118(1)
8.5.2 Edge surface
119(1)
8.5.3 Ruled surface
120(1)
8.5.4 Tabulated surface
121(1)
8.5.5 Elevation
122(1)
8.5.6 Surface of revolution
122(2)
8.6 Applications and limitations of wireframe and surface models
124(2)
8.7 Summary
126(1)
8.8 Review exercises
126(3)
9 Three-dimensional solid modelling
129(20)
9.1 Introduction
129(1)
9.2 Boundary representation (B-Rep) and solids of extrusion
130(2)
9.3 Constructive solid geometry (CSG)
132(3)
9.3.1 Solid primitives and building blocks
132(1)
9.3.2 Boolean algebra and operations on solid primitives
133(2)
9.4 Solid of revolution
135(2)
9.5 Visualization of 3D models
137(1)
9.6 Rendering and specifying materials for 3D models
138(5)
9.6.1 Visual styles and lighting
139(1)
9.6.2 Specifying and editing materials to 3D solids
140(3)
9.7 Practical applications for 3D modelling
143(3)
9.7.1 CSG models
143(1)
9.7.2 Rendered images
144(1)
9.7.3 3D printing
144(2)
9.8 Summary
146(1)
9.9 Review exercises
146(3)
10 3D solid modelling in assembly and analysis
149(24)
10.1 Introduction
149(1)
10.2 Modelling wheel base assembly: tutorial
149(10)
10.2.1 Modelling the wheel
150(1)
10.2.2 Modelling the shaft and fitting to wheel
151(1)
10.2.3 Modelling and assembling the bushes
152(2)
10.2.4 Modelling and assembling the arms
154(3)
10.2.5 Modelling and assembling the base
157(2)
10.3 Analysis of the solid model
159(4)
10.3.1 Sectioning model of the assembly
160(1)
10.3.2 Checking for interferences
161(1)
10.3.3 Determining mass properties
161(1)
10.3.4 Automatically generating orthographic views
162(1)
10.4 Modelling connecting rod for a diesel engine: case study
163(8)
10.4.1 Modelling the connecting road primitives
165(1)
10.4.2 Composite modelling of the connecting rod
166(2)
10.4.3 Assembling the connecting rod
168(1)
10.4.4 Sectioning (slicing) model of assembly
169(1)
10.4.5 Other derivatives from the modelled connecting rod
169(2)
10.5 Summary
171(1)
10.6 Review exercises
171(2)
11 Customization of CAD software
173(28)
11.1 Introduction
173(1)
11.2 Program parameters
174(2)
11.2.1 Modifying the program parameters
175(1)
11.2.2 Reinitializing program parameters
175(1)
11.3 Command aliases
176(1)
11.4 Customizing menus
177(3)
11.4.1 Menu file structure (earlier versions)
177(1)
11.4.2 Pull-down menus
178(1)
11.4.3 Cascading pull-down menus
179(1)
11.4.4 On-screen menus
180(1)
11.5 Customized pull-down menus
180(6)
11.5.1 Customizing pull-down menus - earlier versions
181(1)
11.5.2 Customizing menus and toolbars -- AutoCAD 2021
182(4)
11.6 Icon menus
186(2)
11.7 Automation of tasks -- script files
188(2)
11.8 Customizing linetypes
190(1)
11.9 Customizing hatch patterns
191(1)
11.10 Case study for a power and electricity distribution company
192(6)
11.10.1 Customization strategies adopted
194(2)
11.10.2 Results obtained
196(2)
11.10.3 CAID accomplishments
198(1)
11.11 Summary
198(1)
11.12 Review exercises
199(2)
12 Management of models and drawings for output
201(22)
12.1 Introduction
201(1)
12.2 Model and paper spaces in AutoCAD
202(1)
12.3 Viewports
202(1)
12.4 Modelling cast iron base
203(11)
12.4.1 Model space viewports
210(2)
12.4.2 Paper space viewports
212(2)
12.5 Configuring printer or plotter
214(1)
12.6 Print/plot dialogue box
215(3)
12.6.1 Plot style/pen assignments
217(1)
12.6.2 Print/plot formats
218(1)
12.7 Cloud revisions in AutoCAD
218(2)
12.8 Summary
220(1)
12.9 Review exercises
221(2)
13 Further practical applications for CAD: Case studies
223(28)
13.1 Introduction
223(1)
13.2 Applications of AutoLISP in mechanism design and analysis
223(9)
13.2.1 Background to AutoLISP and case study
225(1)
13.2.2 Geometrical modelling of a slider-crank mechanism
226(4)
13.2.3 AutoLISP programming for simulation and analysis
230(1)
13.2.4 Results and implications
231(1)
13.3 Modelling and simulation using EdenLISP
232(9)
13.3.1 Background to EdenLISP and case study
234(1)
13.3.2 Geometrical modelling of the dump truck mechanism
235(1)
13.3.3 Mathematical modelling of the dump truck mechanism
236(3)
13.3.4 Simulation of the mechanism using EdenLISP
239(1)
13.3.5 Results and implications
240(1)
13.4 Digital inventory codification system
241(8)
13.4.1 Background to case study and inventory control
242(1)
13.4.2 Inventory control systems and behaviour
243(1)
13.4.3 Data collection and analysis
244(1)
13.4.4 Design of the inventory control system
245(2)
13.4.5 Results and implications
247(2)
13.5 Summary
249(1)
13.6 Review exercises
249(2)
14 Typical examination questions
251(20)
Appendix A1 271(6)
Appendix A2 277(6)
References 283(4)
Index 287
Dr. Wilson R. Nyemba is a Senior Lecturer in Industrial and Mechatronics Engineering at the University of Zimbabwe with over 30 years of experience both in industry and academia. He designed and developed a wide range of engineering products in different capacities in industry from product development to engineering management. He also formulated and led a number of successful ventures at the University of Zimbabwe where he served as Dean of the Faculty of Engineering. He also served as Chairman of WaterNet and Project Manager for the Royal Academy of Engineering projects for enhancing the quality of engineering education in Southern Africa. He is an accomplished consultant and researcher with interests in Computer Aided Engineering Design and Manufacture, Engineering Education, Capacity Building and Sustainability, Systems Engineering, Systems Thinking, Modelling and Simulation. He has taught Computer Aided Engineering Design and Manufacture, inclusive of CAD and CAM for over 25 years to undergraduate and postgraduate students in Engineering in general and Mechanical Engineering respectively, from where the material for this book was derived. He developed the original manuscript for this book in the mid-1990s specifically for Continuous Professional Development (CPD) for practising engineers in industry and has improved it over the years as the software also changed from one version to another, until this final manuscript of the book based on AutoCAD 2021 as the base software. He holds a BSc Honours degree in Mechanical Engineering from the University of Zimbabwe, an MSc degree in Advanced Mechanical Engineering from the University of Warwick in England, funded by the British Council Overseas Development Authority Scholarship and a Doctor of Engineering degree in Mechanical Engineering from the University of Johannesburg in South Africa, funded by the National Research Foundation (NRF) Doctoral Innovation Scholarhsip. He is also currently co-appointed as a Senior Research Associate in the Department of Quality Assurance and Operations Management at the University of Johannesburg. His consultancies, research and engagements with industry in Southern Africa over a period of over 10 years, culimanted in authoring of the book, "Bridging the Academia Industry Divide: Innovation and Industrialisation Perspective using Systems Thinking Research in Sub-Saharan Africa" (ISBN 978-3-030-70492-6), published by Springer in 2021 and co-authored by Professor Charles Mbohwa of the University of Zimbabwe and Dr. Keith F. Carter of the University of Leicester in the UK. He has also carried out several consultancies in the areas and published over 50 peer reviewed papers in journals and conference proceedings. He has also received several awards and recognitions for outstanding research in his specific areas of research and interest.
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