Computer Aide Design
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Transcript of Computer Aide Design
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Computer Aide Design CAD
Introduction
A Design Automation
Software Packages Used to
ProduceParts
Assemblies
Drawings
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Basic Geometry
Axis
Plane
Origin (x = 0, y = 0, z = 0).
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Basic Geometry
Face
Edge
Vertex
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3-D Object Creation Procedure
(By Creating Features)
o! Plane " Block # $ole
%ac& Feature'
D Sketc&ing
*D Formation
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2-D Sketching
Parametric +odeling
Procedure:
Sketc& t&e geometry
Dimension t&e geometry
+odify t&e dimension ,alues
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2-D Object Creation Methods:
2ine Center!oint Arc angent Arc * Point Arc
Circle S!line 3ectangle Point
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Additiona 2-D Object Creation Methods:
+irror FilletC&amfer
4ffset %ntities rim %5tend
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Dimensioning:
2inear 3adial Angular
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Parallel angent +id!oint Coincident
Concentric Symmetric
!eations:
$ori6ontal 7ertical Per!endicular
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"eatures:
%5truded Boss8Base 3e,ol,ed Boss8Base
%5truded Cut 3e,ol,ed Cut
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Swee! Boss8Base 2ofted Boss8Base
Fillet C&amfer
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2inear Pattern Circular Pattern
+irror
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!e#erence $eometr%:
Plane A5is9
:
;
Coordinate System
A reference !lane for creating a sketc& of
re,ol,ed cut feature
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&ie'ing:
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Assemb% Modeing
()* +oading the Components
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(2* De#ining Mates
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(3* ,poded &ie'
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(.* Creating &ie's
Front View
Top View Right View
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(1a) +odel 7iew
Model View
4rientation
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(1b) Deri,ed Drawing 7iews
Pro=ected 7iew Au5iliary 7iew Detail 7iew
Cro! 7iew Broken4ut
Section Section 7iew
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(/* Dra'ing Modeing
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(0* Dimensions and Annotations
3 2/ A1C
>ote
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Balloon Datum Feature Symbol
Surface Finis& Symbol ?eometric olerance Center +ark
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(* 1i o# Materias
