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Setting C axis at 0* for radial holes after turning part around in chuck.

Captdave

Titanium
Joined
Sep 24, 2006
Location
Atlanta, GA
Sorry for the poor title but trying to think this through.

Have some part that have holes on both ends but 90* from each other, their bolt clearance holes so don't have to be dead nuts. These are 4" Dia parts so they can't be done in one operation out of bar stock.

So my thought is to offset the C axis to get the #1 jaw in position then mark it with a chamfer mill and use that to eye ball the part for the second op. Is there a better way to do this?

SQT-15M T+
 
If you have lots then I would put a pin or something that's fits neatly into the hole and mill a slot in the jaws to accept the pin. If it's only a few can you make it longer and mill a flat, clock it up and teach 0. Or you can just put a pin in the hole rotate it against the jaw and clamp it. Obviously you would need to make a dummy one with a fat to clock up. If it's really not that critical your way will be fine
 








 
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