CAD / CAM (A70328)
UNIT-I
Computer
configuration for CAD applications,
Computer
peripherals for CAD ,
Design
workstation,
Graphic
terminal,
CAD
software-definition of system software and application software ,
CAD database
and structure.
Geometric
Modeling:
3-D wire
frame modeling,
Wire frame
entities and their definitions,
Interpolation
and approximation of curves,
Concept of
parametric and non-parametric representation of curves,
Curve
fitting techniques,
definitions
of cubic spline, Bezier, and B-spline.
UNIT-II
Surface
modeling:
Algebraic
and geometric form,
Parametric
space of surface,
Blending
functions, parametrization of surface patch, Subdividing,
Cylindrical
surface, Ruled surface, Surface of revolution Spherical surface,
Composite
surface, Bezier surface.
B-spline
surface, Regenerative surface and pathological conditions.
Solid
Modelling:
Definition
of cell composition and spatial occupancy enumeration,
Sweep
representation,
Constructive
solid geometry,
Boundary
representations.
UNIT-III
NC Control
Production Systems :
Numerical
control,
Elements of
NC system,
NC part
programming :
Methods of
NC part programming,
Manual part programming,
Computer
assisted part programming,
Post
Processor,
Computerized
part program,
SPPL (A
Simple Programming Language).
CNC, DNC and
Adaptive Control Systems.
UNIT-IV
Group
Technology:
Part
families, Parts classification and coding.
Production
flow analysis,
Machine cell
design.
Computer
aided process planning:
Difficulties
in traditional process planning,
Computer
aided process planning:
Retrieval
type and generative type,
Machinability
data systems.
Computer
aided manufacturing resource planning:
Material
resource planning, inputs to MRP, MRP output records,
Benefits of
MRP,
Enterprise
1usource planning,
Capacity
requirements planning.
UNIT-V
Flexible
manufacturing system:
FMS
equipment,
FMS Layouts
Analysis
methods for FMS
Benefits of
FMS
Computer
Aided Quality Control
Automated
inspection
Off line, On
line contact, Non Contact
Coordinate
measuring machines,
Machine
vision
Computer
Integrated Manufacturing:
CIM system
Benefits of CIM