CAD/CAM
Definition: CAD/CAM integrates computer-aided design and manufacturing for product development, modeling, simulation, and automated production.
Available PYQs:
2022
2024
2025
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Detailed Syllabus
Unit 1: Basics of CAD
- Need and Scope of Computer Aided Design.
- Fundamental of CAD and computer graphics.
- Application areas, Comparison of CAD with Manual designing.
- Benefits of CAD, UCS, 3D systems.
- 2D geometrical transformations, Matrix representations and homogeneous coordinates.
- Composite transformations, transformations between coordinate systems.
- 2-D viewing, 3-D Geometric transformations, composite transformations.
- Importance of transformations.
Unit 2: Curves and Surfaces
- Representation of circle, Arc, Ellipse, parabola and hyperbola.
- Synthetic Curves; Concept of continuity.
- Cubic Spline: equation, properties and blending.
- Bezier Curve: equations, properties.
- Properties and advantages of B-Splines and NURBS.
- Types of surfaces used in automotive industry along with their applications.
Unit 3: Solid Modelling
- Geometry and Topology
- Comparison of wireframe
- surface and solid models
- Properties of solid model
- properties of representation schemes
- Concept of Half-spaces
- Boolean operations
- Schemes: B-rep, CSG, Sweep representation, Primitive instancing, Cell Decomposition Techniques
Unit 4: Computer aided Engineering
- Introduction to simulation
- Interference detection
- failure analysis under static and dynamic loading
- Preprocessing
- Elements used in CAE
- Material defining
- Meshing, optimal mesh
- loading and constraints, boundary conditions
- solvers, post processing and reviewing the results
- validation of the CAE results
- Case study using ANSYS software
Unit 5: Computer Aided Manufacturing
- Introduction & role of NC, CNC & DNC
- Advantages, Disadvantages and Applications of NC
- Features of CNC system
- Features of DNC and adaptive control systems, Safety measures
- Flexible Manufacturing System
- Components of FMS, FMS equipment & control
- Automated guided vehicle systems
- Automated storage and retrieval system
- Computer Integrated Manufacturing
- Computer Aided Process Planning
Unit 6: Latest Technologies
- Introduction to Industry 4.0
- FEM
- Robotics, Reverse engineering and computer aided inspection
- cloud manufacturing
- artificial intelligence and machine learning