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How To Model A 1/4" Bsp External And Internal Thread For 3D Printing?


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#1 whatizhisname

whatizhisname

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Posted 07 April 2015 - 07:04 PM

Hi Everyone,

I would like to model a stand size BSPP 1/4" type part with internal and external threads that will work with standard 1/4" threads.

 

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I can't seem to find a way to cut the profile and feeling a little lost on the point where I pierce on to the helix.

 

Could anyone help please?

 

Thanks.

 

My Solidworks 2014 3D CAD file is downloadable here - https://www.hightail...HSytENlQ0WjhUQw



#2 whatizhisname

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Posted 08 April 2015 - 04:50 AM

m86iiz8oglsd.jpg
 

Not sure if my profile is correct and I can't figure out where to pierce the profile.

 

Can anyone help please ?

 

Thanks.



#3 harbinger

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Posted 13 February 2017 - 08:07 PM

Haven't used SWorks in years but as best I recall... you need to create a plane at the end of your helix, sketch the thread form there, pierce the midpoint; helix endpoint to midpoint and sweep along the helix path.

 

All that said... keep in mind that in a 3D print design, you are not limited to typical modes of manufacture; single-point thread cutting, tapping, forming, etc.. A larger feature will print more successfully in any orientation; horizontal, vertical, etc.. If you need inspiration, look to the typical multi-start bottle neck thread.

 

Best regards






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