Ideal thread design
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Posted by: steelboy ® 10/23/2009, 12:58:49 Author Profile eMail author Edit

Hi, I want to make the ideal thread for maximum tensile load capacity. I have two diameter 120 mm solid bars which I want to connect with with a male and a female thread. (pin and box thread). Can you give me some idea how it should be designed? /steelboy

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: Ideal thread design
: Ideal thread design -- steelboy	Post Reply	Top of thread	Engineering Forum

Posted by: devitg ® 11/03/2009, 16:55:41 Author Profile eMail author Edit

The main fact is that the box will be a hollow cilinder , so the pin shall be a small as possible . Any way, the join will never hold the same load as the full bar.

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: Ideal thread design
: Ideal thread design -- steelboy	Post Reply	Top of thread	Engineering Forum

Posted by: Kelly Bramble ® 10/23/2009, 15:53:14 Author Profile eMail author Edit

Welcome to the Engineers Edge! Pin and Box Thread? I would consider Acme stub threads - see: http://www.engineersedge.com/hardware/acme-stub-thread.htm and http://www.engineersedge.com/gears/screw-axial-thrust-load-calculation.htm

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: : Ideal thread design
: : Ideal thread design -- Kelly Bramble	Post Reply	Top of thread	Engineering Forum

Posted by: steelboy ® 10/25/2009, 07:19:07 Author Profile eMail author Edit

Hi Thanks, Pin and box thread - I mean the bar will have no muff coupling.

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