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Drawing a Monkey Wrench


Povolio

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So I'm getting ready for a competition and I've come across 2 problems.

I can't seem to find the depth of the ACME thread and I'm unsure how to draw the part where it says R.20. Everything else I can do except those 2 parts.

 

scan.jpg

These are the 2 parts that I'm unable to finish.

 

Monkey Wrench - 1.dwg

 

Monkey Wrench - 2.dwg

 

Thanks in advance!

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I can't seem to find the depth of the ACME thread....

 

 

If you don't own a Machinery's Handbook - you should.

Actually these days this type of information is usually readily available via the internet.

depth = p/2 http://tinyurl.com/yf7kg2a

 

The only R20 feature I see should be a trivially easy Presspull through the part!

Circle R20

center line track vertical

offset half width either side

trim

Presspull (actually don't even need to trim for press pull

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If you don't own a Machinery's Handbook - you should.

Actually these days this type of information is usually readily available via the internet.

 

I have one, it just says that depth is X/2. X is not given in this case and the angle is 29.

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