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material removal with centerless grinding

RJT

Titanium
Joined
Aug 24, 2006
Location
greensboro,northcarolina
If you had 400 pcs of .442 diameter parts 6" long made from .5 diameter PHT 4140, would you turn most of the material first, then get it centerless ground, or leave it in 12' lengths and centerless grind all the material off? It needs to be ground for surface finish and size tolerance. Not familiar enough with centerless grinding to know which is more cost effective?
 
We do this pretty regularly and just have it ground in 12' bars. It would be tough to turn anyway. Your grinder doesn't want a tapered POS part. Your customer probably doesn't want a center in the end of the part. Even if you chucked on half of it at a time that's 6X diameter, so unless you have a Swiss with a long parts catcher I wouldn't bother.
 








 
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