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20 Cards in this Set
- Front
- Back
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What is the key view in orthographic projections |
Front view |
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Many orthographic drawings only show what views |
Front top and right |
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What angle of view is the method widely used for orthographic prints |
Third angle orthographic |
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What are the 3 types of pictorial drawings |
Perspective Oblique Isometric |
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Why is isometric preferred for mechanical trades |
Measure all dimensions parallel to the 3 axes and less distortion to round objects |
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An object or "visible" line is shown as |
A thick dark solid line |
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A center line is shown as |
Long/short dashes alternating |
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What can be used to terminate a leader line |
An arrow, A dot, A squiggle |
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What does CNTRS mean |
Centers |
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What does TYP mean |
Typical |
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What does CBORE mean |
Counterbore (will specify depth of process) |
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What does CH mean |
Chamfer |
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What does CLA mean |
Center Line Angle |
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When does the chamfer angle not need to be specified |
When an external chamfer of 45° |
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What material section line is used for majority of parts |
Cast iron |
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What are the arrows at the end of cutting plane lines used for |
Show direction to view section |
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What 2 sectional views never require a cutting plane line |
Broken out and removed |
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Name the 7 elements you can use to define a taper |
Large diameter Small diameter Length Taper per foot Taper per inch Taper ratio Included or centerline ratio |
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How can you distinguish between s shape and 2 shape |
The shape of the flange |
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What 2 shapes have tapered flanges |
C and S |
