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Unread 22-08-2012, 22:15
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rcmolloy rcmolloy is offline
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AKA: Robert Cory Molloy
FRC #0973 (Greybots)
Team Role: Engineer
 
Join Date: Jan 2009
Rookie Year: 2009
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Re: Internal Threads

Quote:
Originally Posted by jee7s View Post
If you need extra thread strength in thin material, look into Pem Fasteners. They are pre-threaded insert fasteners, sometimes called "captive nuts" on web sites like McMaster. There's a whole variety of types for different applications. Most of them are designed to be clinched (read pressed) into sheet metal.
Having used these guys for 1/8 sheet back on 1647, I can tell you they held up extremely well. We used approximately 10 of them to mount to our bellypan for our arm and under the loads the arm was forcing down through to the bellypan, there was no movement from them whatsoever.
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FRC 1647: Iron Devils - 2009 - 2011
FRC 973: Greybots - 2011 - 20XX
"While I was a student in FIRST, it was all about becoming inspired. Now as a mentor/engineering student, it's all about making sure learn everything I can so I can carry that on inspiration for future generations while having a hell of a lot of fun!"