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CAD/CAM(Design Process & CAD/CAM)

3.1

CAD/CAM

3.2

(CAD/CAM)

3.3

George Polya (Problem solving) 4

1.

2.

3.

4.

3-1

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(Design Process & CAD/CAM)

3.1:

1. (Product design)

12

2. (Systems design)

5 12 6

3.1

1. (Problem Identification)

2. (Preliminary Ideas)

3. (Refinement)

4. (Analysis)

5. (Decision)

6. (Implementation)

3.3.1 (Problem Identification)

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3.2:

3.2

1. (Problem Statement)

2. (Requirements)3. (Limitations)

4. (Sketches)

5. (Data Collection)

3.3.2

3.3

1. (Brainstroming)

2. (Ideation)

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(Design Process & CAD/CAM)

3.3:

3. (Research)

4. (Surveys)

3.3.3

(Descriptive geometry)

3.3.4

1. (Function)

2. (Human factor)

3. (Product Market)

4. (Physical Specifications)

5. (Strength)

6. (Economic Factors)

7. (Models)

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3.4:

3.3.5

3

1. (Acceptance)

2. (Rejection)

3. (Compro-mise)

3.4

3.3.6

(Working drawing) (Specifications)

3.4

(Swing Set Anchor) worksheet 3.5 - 3.10

3.5

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(Design Process & CAD/CAM)

(a) (b)

3.5: worksheet

3.5.1 (Computer Aided Drafting andDesign, CADD)

(Computer Aided Drafting, CAD)

(Computer Aided Drafting and Design, CADD)

CADD

1.

2.

3.

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(a) (b)

(c)

3.6: worksheet

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(Design Process & CAD/CAM)

(a) (b)

3.7: worksheet

4.

5.

3.5.2 CADD

CADD 3 1. (Designer)

2. (Hardware)

3. (Software)

(Computer System)

(Terminal) (Input Devices) (Output Devices)

(Central Processing Unit, CPU) (Mainframe Computer)

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(a) (b)

(c) (d)

3.8: worksheet

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(Design Process & CAD/CAM)

(a) (b)

3.9: worksheet

3.10: worksheet

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3.11: CADD

(Minicomputer)

(Personal Com-puter) 3.11

3.11

3.12

RAM

(Hardisk)

Flash Memory

Floppy Disks

Magnetic Tape

CD DVD

3.13

(Digitizer) Stylus

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(Design Process & CAD/CAM)

(a) RAM (b) Hardisk Drive (c) Flash Memory

(d) Floppy Disks (e) Magnetic Tape (f) CD and DVD

3.12: CADD

(a) Digitizer (b) Joy Stick (c) Mouse (d) Spaceball

3.13: CADD

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(a) Rapid Prototyping Machine (b) Plotter (c) Printer

3.14: CADD

(Mouse)

(Joy Stick)

(Spaceball)

3.14

(Plotter)

(Printer)

(Rapid Prototype)

CADD (CADD Software)

CADD Mainframe PC CADD PC CADD PC 3.15

1.

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3- 14 CAD/CAM

(Design Process & CAD/CAM)

3.15: CADD

ACIS

Parasolid CADD

2.

Unigraphics

Parasolid SDRC I-DEAS

CATIA

3.

SolidWorks

Pro/E

MasterCAM4.

AutoCAD

Autodesk Inventor

CADKEY

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3.16: CAD/CAM

3.17: CNC

3.6

CAD/CAM CAD/CAM

3 3.16 (Computerized Nu-merical Control) 3.17 CADD