Intro to CAD/CAM/CIM

INTRODUCTION :
CAD/CAM/CIM
ASSTT. PROF.
ABHAY S. GORE
DEPT. OF MECHANICAL ENGG.
MIT (T), AURANGABAD

Learning Objectives
 Design, Disciplines
 Definition of CAD
 Definition of CAM
 Definition of CIM
 Need of CAD/CAM/CIM
 Scope of CAD/CAM/CIM

 Design is the human power to conceive, plan, and
realize products that serve human beings, in the
accomplishment of any individual or collective

Design Disciplines
 Applied Arts/Fine Arts:-
 For aesthetics to objects of function and everyday
use
 For decorative purpose like Paintings, Portraits,
etc.

Design Disciplines
 Architecture:-
 Usually of buildings and other physical structures
 For aesthetics of objects

Design Disciplines
 Fashion:-
 For aesthetics or natural beauty to clothing
and accessories
 Influenced by cultural and social latitudes
 For Garments, Texture, etc.

Design Disciplines
 Gaming Industry:-
 For content and rules of a game
 Gameplay, environment, storyline and characters

Design Disciplines
 Engg. Design:-
 Preliminary design
 Schematics, diagrams, layouts of the project
 Detailed design
 Operating parameters, Test, Materials, Packaging
 Production planning and tool design
 Jigs, fixtures, and tooling
 Production

Design Disciplines
 Mechanical Design
 For Machines like Lathe, Drill,
 For Turbo-machines like Turbine, Propeller
 For Automobile like Chassis, Transmission
 For Components like Gears, Shafts, Joints, etc.

Computer Aided Design
 Use of computer systems to assist in creation,
modification, analysis and optimization of a
design.
 Computer assistance, while a designer
converts his or her ideas and knowledge, into
a mathematical and graphical model
represented in a computer.

Manufacturing
 What is Manufacturing?

Manufacturing
 Process of production of objects from metals
or non-metals, with or without application of
force, with or without application of heat, with
or without use of machines, joining or
removing of excess material.

Manufacturing Processes
 Chemical Process
 Mechanical Process as Bending
 NC/CNC Process as Turning, Facing
 Casting
 Molding
 Forming
 Machining
 Joining
 Rapid manufacturing

Computer Aided Manufacturing
 Use of computers systems to plan, manage
and control the operations of a manufacturing
plant through either direct or indirect computer
interface with plant’s production resources.
 Manufacturing support applications –Use of
computers in process planning, scheduling,
shop floor control, work study, tool design,
quality control etc.

Computer Integrated
Manufacturing
 A process of integration of CAD, CAM and
business aspects of a factory. It attempts
complete automation with all processes
functioning under computer control.

Need for CAD/CAM/CIM
• To increase productivity of the designer
• To improve quality of the design
• To improve communications
• To create a manufacturing database
• To create and test tool paths and optimize them
• To help in production scheduling and MRP
models
• To have effective shop floor control

SAQ
1. What is CAD?
2. What are the application of CAD ?
3. What is CAM?
4. What are the application of CAM ?
5. What is meant by the concept of CAD/CAM?
6. What is CIM?
7. What is need of CAD/CAM/CIM ?
8. What is scope of CIM ?

Syllabus
Section A
 Unit 1 : Fundamentals of CAD, Computer
Hardware, CAD software and Database
 Unit 2 : Geometric Transformations,
Representation of curves and surfaces
 Unit 3 : Geometric Modeling, Finite Element
Modelling
Section B
 Unit 4 : NC/CMNC Machine Tools,
 Unit 5 : Group Technology, Robotics
 Unit 6 : Flexible Manufacturing System and
Computer Integrated Manufacturing System,
Product Lifecycle Management

Intro to CAD/CAM/CIM

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