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Overload Clutch Worm Gear Specification

MR_Rose

Plastic
Joined
Jan 31, 2020
Hi All

I need to replace the brass overload clutch worm gear on my J-series Bridgeport-ish import mill. Pictures I post don't show up yet, so FYI I'm referring to the brass wheel on bottom left of the head with 3 through-holes that connects to the quill overload clutch gear, and not the one in the upper saddle assembly.

Unfortunately most suppliers can't ship here and I can't afford to pay $200+ for one gear from the ones that do, so only option is to manufacture it.

The gear is pretty much destroyed from previous owner overloading the overload clutch (Ironic? :D), so I can't take measurements from it reliably.

Does anyone know the actual specification of this gear in terms of helix angles, pitch diameter, leads, gear angles, etc? Any information will be appreciated!
 








 
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