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Thread making

Question asked by Asad Kazmi on Sep 30, 2015
Latest reply on Oct 2, 2015 by Tom Dirriwachter

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hi,

I have a question about thread making in Solidworks ? first of all , Please tell me any good thread making reference which explain how to consult Machinery Handbook while making thread in Solidworks (video with audio).

2ndly , can some one help me how to make 1 11/16" - 16UN - Class 2B thread in the attached part file (at the helix side). i know trig but my concept about thread design is still missing some thing that i dont understand, why i am not grasping the concept . i avoid thread making feature. I dont know the reason. all suggestion and help appreciated.

Major Dia 42.965

min

42.1.9

Pitch Dia 41.933

41.603

Minor Dia 41.245

Thanks

Asad

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Part1.SLDPRT.zip180.4 KB

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Paul Salvador Sep 30, 2015 3:55 PM

one,.. I don't believe you can use a "block" as a profile to sweep?

two... check your units,.. your mm and inch values don't seem right?

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Jamil Snead Oct 2, 2015 12:12 AM

I can't open your file but here is an example of that thread modeled. The diameter of Cut-Extrude1 comes from the average of the minor diameter values. The pitch of the helix obviously comes from the thread pitch (1/16). In Sketch9, the construction line length is equal to half the pitch, and then the diameter dimension to that line is the average pitch diameter. Then I just set the thread OD to .005" above the minimum OD value.

By the way, I got my values off of a separate chart that was in inches, so I didn't verify your numbers that you posted.

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Thread JS.SLDPRT.zip283.8 KB

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Tom Dirriwachter @ Jamil Snead on Oct 2, 2015 1:22 AM

Wikipedia is your friend on unified thread definition.

A document I did on PTC's forum..

Yet another Thread thread - UTS Implementation | PTC Community

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Paul Salvador Sep 30, 2015 3:55 PM
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one,.. I don't believe you can use a "block" as a profile to sweep?
two... check your units,.. your mm and inch values don't seem right?
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Jamil Snead Oct 2, 2015 12:12 AM
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I can't open your file but here is an example of that thread modeled. The diameter of Cut-Extrude1 comes from the average of the minor diameter values. The pitch of the helix obviously comes from the thread pitch (1/16). In Sketch9, the construction line length is equal to half the pitch, and then the diameter dimension to that line is the average pitch diameter. Then I just set the thread OD to .005" above the minimum OD value.

By the way, I got my values off of a separate chart that was in inches, so I didn't verify your numbers that you posted.
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- Thread JS.SLDPRT.zip283.8 KB
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- Tom Dirriwachter @ Jamil Snead on Oct 2, 2015 1:22 AM
  Mark Correct
  Correct Answer
  Wikipedia is your friend on unified thread definition.
  
  A document I did on PTC's forum..
  Yet another Thread thread - UTS Implementation | PTC Community
  Like • Show 0 Likes0
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