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Threading [message #31099] Mon, 18 July 2011 17:57 UTC Go to previous message
avatar dskarol  is currently offline dskarol
Messages: 0
Registered: July 2011
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Junior Member

I have an assembly with four holes that need to be threaded in order for me to assemble it properly.

I have:

  1. 3/8-16" Hole for a shoulder bolt
  2. NPT 1/8" or 1/4" hole at the end of a peg for a pneumatic tubing insert
  3. 10-24 through hole for a pneumatic cylinder rod
  4. 7/16-20 through hole for a pneumatic cylinder mounting nut

After having a suction cup printed out of WSF i'm reasonably certain I can can make threads fine enough for the 3/8-16 hole with the model directly.

How would you suggest i make these threads? Another thread suggested that i should take a look at threading inserts. McMaster-Carr carries a wide range of options and Im having a hard time selecting the correct option and accounting for material flex and stress.

It would be significantly easier if I could directly tap the material, does any one have experience doing this? Im planing on making all of these pieces out of WSF or ALUMIDE.

-Daniel Karol

[Updated on: Mon, 18 July 2011 18:06 UTC]

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