CAD / CAM Systems
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Follow on Instagram for UpdatesCAD / CAM Systems Syllabus — Unit-wise Content
The official GTU curriculum for CAD / CAM Systems (subject code 2720822) as prescribed for M( · Semester 2 divides the course into 6 units, covering 57 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2720822)Unit 1 Introduction
- Reasons for implementing a CAD system
- Features of CAD software
- 2D and 3D Geometric transformations
- homogeneous coordinates
Unit 2 Curves and Surfaces
- Parametric representation of synthetic curves Hermit cubic splines Bezier curves
- Mathematical representation surfaces
- Surface model
- Surface entities surface representation
- Parametric representation of surfaces
- plane surface
- rule surface
- surface of revolution
- Tabulated Cylinder
Unit 3 Solid Modelling, Data Structures and Data Exchange
- Solid Representation
- Boundary Representation (B-rep)
- Constructive Solid Geometry (CSG)
- Data structures for CAD Models
- Graphics standards – Data exchange format
- evolution- features of various interfaces GKS, IGES, DXF, PDES
- Networking- networking techniques, LAN, components
- wiring methods
- network interface cards
- network standards
Unit 4 CNC Machine Tools
- Concept of CNC and development of its technology
- classification of CNC Machine
- axis designations
- interpolators- linear and circular interpolators
- Hardware: CNC Machine building
- structural details
- CNC block diagram
- guideways - friction and antifriction
- recirculating ball screws
- planetary roller screw
- recirculating roller screw
- types of indexing
- automatic tool changers (ATC)
- automatic pallet changers (APC)
- timing gear belt
- types of control
- concept of DNC. 7 20% 2 System drives and control system: Spindle drives - DC shunt motor
- 3 phase AC induction motor & their comparison
- Feed drives - stepper motor
- servo principle
- DC & AC servomotors
- Control system- Types of encoders
- absolute and incremental optical encoders
- moire fringe gratings
- laser interferometer. 4 15% 3 Manual Part Programming for CNC: Various controllers for CNC, Structure of a part program
- Types of programming
- different compensations
- Manual part programming using FANUC controllers: Canned cycles for lathe: G70, G71, G72, G73, G75, G76, G81
- Canned cycles for Milling: G81, G82, G83, G73, G84, G74, Mirroring
- References Books: 1
- Parametric and feature based CAD/CAM
Unit 5 T.K. Kundra, P.N.Rao, N.K. Tewari, Numerical Control and Computer Aided Manufacturing,
- Tata McGraw Hill Publishing Company Ltd
Unit 6 David Gibbs and Thomas Crandall, CNC Machining and Programming
- An Introduction
- Industrial Press Inc.
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