MU-302 COMPUTER AIDED DESIGN

B. Tech. VI Semester

No. of Credits: 4 Sessional: 40 Marks
L T P Total Theory : 60 Marks
4 0 0 4 Total : 100 Marks
  Duration of Exam: 3 Hours

UNIT 1. Introduction: Introduction to CAD/CAM, Historical developments, Industrial look at CAD/CAM, Comparison of CAD with traditional designing, Introduction to CIM; Basics of geometric and solid modeling, Packages for CAD/CAM/CAE/CAPP.

UNIT 2. Transformations: Introduction, transformation of points and line, 2-D rotation, reflection, scaling and combined transformation, homogeneous coordinates, 3-D scaling, shearing, rotation, reflection and translation, combined transformations, orthographic and perspective projections, reconstruction of 3-D objects.

UNIT 3. Modeling of Curves & Surfaces: Algebraic and geometric forms, tangents and normal, blending functions reparametrization, straight lines, conics, cubic splines, Bezier curves and B-spline curves. Plane surface, ruled surface, surface of revolution, tabulated cylinder, bi-cubic surface, bezier surface, B-spline surfaces and their modeling techniques.

UNIT 4. Solid Modeling: Solid models and representation scheme, boundary representation, constructive solid geometry, sweep representation, cell decomposition, spatial occupancy enumeration, coordinate systems for solid modeling.

UNIT 5. Applications of CAD: Introduction, Need and importance of solid and surface models for Interference detection, Assembly modeling, finite element analysis, computer aided part programming, computer aided process planning, Automated layout and drafting and computer aided manufacturing.

UNIT 6. Automation and Numerical Control: Introduction, fixed, programmable and flexible automation, types of NC systems, MCU and other components, NC manual part programming, coordinate systems, G & M codes, Part program for simple parts, computer assisted part programming.

UNIT 7. Group Technology: Part families, part classification and coding, production flow analysis, Machine cell design, Advantages of GT.

UNIT 8. Flexible Manufacturing Systems & Computer aided process planning: Introduction, FMS components, types of FMS, FMS layouts, planning for FMS, advantages and applications Conventional process planning, types of CAPP, Steps in variant process planning, planning for CAPP.

Text Books:
1. CAD/ CAM by Groover and Zimmer, Prentice Hall.
2. CAD/ CAM Theory and Practice by Zeid, McGraw Hill
3. Numerical Control and Computer Aided Manufacturing by Kundra, Rao & Tiwari, TMH.

Reference Books:
1 CAD/CAM (Principles, Practice & Manufacturing Management) by Chirs Mc Mohan & Jimmie Browne, Published by Addison- Wesley.