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Introduction to

CAD/CAM/CAE

CAD Lab.

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Introduction CAD(Computer Aided Design)

CAM(Computer Aided Manufacturing)

CAE(Computer Aided Engineering)

Memory capacity, processing speed,

Interactive graphics

Quality, Cost, Delivery

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Product cycleDesign

Need

Design

Spesifications

Feasibility Study with

Collecting Design Information

DesignDocumentation

DesignEvaluation

DesignOptimization

DesignAnalysis

AnalysisModel

Design

Conceptuali-zation

Process

PlanningProductionPlanning

Design and

Procurement ofNew Tools

Order Material

NC, CNC, DNCProgramming

Producttion Quality

Control Packaging Shipping

Marketing

MANUFACTURING PROCESS

Analysis

SynthesisDESIGN PROCESS

CAD + CAE

CAM

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Solid model of example part

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Finite element analysis model

of example partFinite element meshes Load condition:

case 1

Load condition:

case 2

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Fill time distribution for

example part

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Physical prototype of example

part

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Part drawing of example part

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Core, cavity, and side cores for

example part

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Completely designed mold base

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NC tool paths to machine mold

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Product cycle

Design concept

Computer aided drafting system

Geometric modeling system

Parametric modeling

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Product cycle

cont

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Product cycle

cont

Stress analysis, interference checking

Kinematic analysis, etc.

Analysis model with proper abstraction

Interactive generation of analysis model

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Product cycle

cont

Design evaluationprototype

Rapid Prototyping (RP)

Virtual Prototyping (VP)

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RP - Stereolithography Process

Cured Plastic

XY Scanning Ultraviolet Laser Beam

Photo-curableResin(Liquid)

Top of the Liquid

Elevator

Vat

Platform

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Virtual Prototyping of Engine

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Virtual Prototype of Equipment

Construction Equipment from John Deere (Division Inc.)

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Product cycle

cont

design documentation

Computer aided drafting system

Automatic drafting program

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Product cycle

cont

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Product cycle

cont

Process plan

NC program

Robot, CMM

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Definitions of

CAD, CAM and CAE CAD

Creation, modification, analysis,

optimization Computer graphics + design

application program

Tolerance analysis, mass propertycalculation

Finite element modeling and analysis

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Definitions of

CAD, CAM and CAE

cont

CAD cont

Design geometry

Design geometryproduct development

cycle

Computer aided drafting system,geometric modeling systemCADsystem

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Definitions of

CAD, CAM and CAE

cont

CAM

Plan, manage, control of manufacturing

operations NC

Robot programming for material

handling, welding, assembling, etc.

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Definitions of

CAD, CAM and CAE

cont

CAM cont

Process planning

Group technology

Feature recognition or feature basedmodeling

MRP(Material Requirement Planning)

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Definitions of

CAD, CAM and CAE

cont

CAE

Analyze CAD geometry

Simulate, refine and optimize the design

Kinematic program, large-displacementdynamic analysis, etc.

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Definitions of

CAD, CAM and CAE

cont

CAE cont

FEMCAE software

Stress, deformation, heat transfer, fluidflow, magnetic field, continuous fieldproblem

Abstract modelmesh

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Definitions of

CAD, CAM and CAE

cont

CAE cont

Abstract modeldetail

dimension Mesh preprocessor

postprocessor

OptimizationFEM