Cad designing

1. CAD/CADD
By:
Baijnath Pan

2. We’ll Discuss:
What’s CAD???
History Of CAD
CAD Drawing-
How It Works
The CAD Industry
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3. Computer-aided Design (CAD) Or
Computer-aided Design And Drafting
(CADD)
Uses Computer-technology To Make
Quick And Accurate Drawings, Intricate
Designs And Design-documentations
Even 3D drawing possible!!!!!!
So, Basically A Computer Package for
drawings
CAD???
History
CAD Industry
CAD Drawings
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8. So who uses it?
Civil-Engineers
Architects
Animation industry
Automobile industry
Aircraft Industry
Gaming industry
Web-designers
Fashion Designers
Machine-
Manufacturers
And of-course…… we
students
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9. 1940s: Came into existence, by dr.
Robert Issac newton
1960s: Found use in the aircraft and
automotive industries
Also used by 3D surface construction
and NC programming, the first
commercial users of CAD
1971: Founding of MCS (Manufacturing
And Consulting Services Inc.) by dr. P. J.
Hanratty, one of the most influential
events
CAD???
History
CAD Industry
CAD Drawings
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10. A few years ago, CAD quite an
exclusive computer-program
Was meant only for engineering
applications that needed high degree
of precision
Only the rich-firms could afford it
And today………
CAD???
History
CAD Industry
CAD Drawings
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CAD- Baijnath Pandey

11. How do we draw in day to day life????
Little different here…….and how???
Need to access a particular function
from the Draw menu
Separate functions to draw text,
dimensions, patterns, symbols, and
other elements of a drawing
CAD???
History
CAD Industry
CAD Drawings
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12. Need to be specific about the no. Of
lines, arcs or any other shapes…..
Must specify where each line and arc
starts, where it ends, the center point of
the arc, the radius, etc.
Separate functions to draw text,
dimensions, patterns, symbols, and other
shapes
CAD???
History
CAD Industry
CAD Drawings
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13. Based on program level, divided into:
Low-end programs:
Have just the basic drawing capabilities
Commonly used for general drawing works
Mid-range programs:
Almost 80% of all the cad programs fall here
Offer advanced drafting techniques such as layers,
3D, basic database capabilities, advanced
dimensioning and many automated drawing
features
Commonly used by architecture and engineering
design firms
CAD???
History
CAD Industry
CAD Drawings
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CAD- Baijnath Pandey

14. CAD???
History
CAD Industry
CAD Drawings
Advanced Programs:
Have integrated features such as
engineering, solid modeling, analysis,
design, database and project management
Can be customized to meet the specific
client requirements
Few such programs available
Priced very high
Commonly used by large corporations for
manufacturing
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15. Some of the most popular brand-
names:
•Solid Works
•AutoCAD
•Turbo CAD and
•Micro Station
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16. References:
Websites
1. http://www.cadazz.com/cad-software-history.htm
2. http://www.caddprimer.com/cadd_primer_chapters/drawing_des
ign_automation_introduction_0.htm
EBESCO Reference:
1. Asiabanpour Bahram, Et Al An Overview On Five Approaches
For Translating Cad Data Into Manufacturing Information,
Journal Of Advanced Manufacturing Systems Vol. 8, No. 1
(2009) 89–114
2. Szewczyk Jaroslaw, Difficulties With The Novices’
Comprehension Of The Computer-Aided
3. Design (Cad) Interface: Understanding Visual Representations
Of Cad Tools J. Eng. Design, Vol. 14, No. 2, June 2003, 169–
185
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