Computer Aided Design and Computer Aided Manufacturing By Ashok Kumar Singh

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Computer Aided Design and Computer Aided Manufacturing By Ashok Kumar Singh

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Publisher: Vayu Education
ISBN: 9789383137244
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Contents BLOCK-I UNIT-I
CAD DEFINITION ....................................................... 1-10
1.1 1.2 1.3 1.4
Introduction .................................................................................................... 3 Reasons for acceptance ..................................................................................4 CAD Technology ............................................................................................4 Elements of CAD ............................................................................................5 1.4.1 Human Factor .....................................................................................5 1.4.2 System Factor Machine Factor ........................................................ 6 1.5 Reasons for implementing CAD .....................................................................6 1.5.1 To increase the productivity................................................................6 1.5.2 Improved quality of design .................................................................6 1.5.3 Improved Documentation ...................................................................7 1.5.4 To create a database for design, drawing and manufacturing ............7 1.6 Design Process ...............................................................................................7 1.7 Benefits of CAD .............................................................................................. 8 1.7.1 Improvement in productivity ..............................................................8 1.7.2 Shorter Load Time ..............................................................................9 1.7.3 Flexibility in Design .............................................................................9 1.7.4 Design Analysis ...................................................................................9 1.7.5 Fewer Design Errors ...........................................................................9 1.7.6 Standardization of Design, Drafting and Documentation ...................9 1.7.7 More understandable and clear drawings ...........................................9 1.7.8 Improved and easier proceudres of engineering changes ................... 9 1.7.9 Benefits in Manufacturing ...................................................................9 Exercise ......................................................................................................... 10
UNIT-II 2.1 2.2
I O DEVICES .......................................................... 11-17
Introduction .................................................................................................. 11 Input Devices ................................................................................................ 11 2.2.1 Keyboard Terminal ............................................................................ 11 2.2.2 Mouse ................................................................................................ 12
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Computer Aided Design and Computer Aided Manufacturing
2.2.3 Thumb Wheel ....................................................................................12