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#1
 
03-21-2007, 06:23 PM
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I have a Question on a second year threading test. It asks for the slant depth at 29 degrees. The threads are both metric and UN, internal and external. Does anyone know about this? I searched in the Machinerys Handbook but I could not find anything definitive.  |
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#2
04-03-2007, 03:04 AM
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| When compound thread cutting it is generally stated that the in-feed angle is half the thread angle (60 Degree thread would be 30 degree compound). In practice this is normally reduced by up to 1 degree; therefore the 29 would be normal. |
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