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Videotape Content
The videotape contents of Mechanical Drawing Course are listed here.
Volume-3 Working Drawing (1) (51min)
- 1.Dimensioning
- Since the accurate and intelligible dimensioning is very important in the working drawing, its techniques and rules are explained here.
- Dimensioning Rule
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- Dimension line & Extension line
- Dimension figure
- Size description into a small space
- Leader line
- Arc / Curve / Hole
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- Arc radius description
- Chord / Arc length description
- Curve size description
- Hole size description
- Angle / Taper / Slope / Chamfer
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- Angle size description
- Taper / Slope size description
- Chamfer size description
- Dimensioning Caution
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- Standard size description
- Special size description
- Exercise
- 2.Surface Finish
- The surfaces of the mechanical parts are finished in response to the requirements for their applications. As a typical expression of the surface finish, "Arithmetic Mean Roughness" is discussed as well as the surface finish description are introduced here.
- Roughness
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- Roughness tester
- Finish symbol
- Surface symbol
- Surface Finish Description
- Exercise
A rare opportunity to witness the actual forging process and roughness test is provided here:
Thanks to: Tomotetsu Kogyo Inc.
 (C) 2004 ADWIN Corp.
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