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Best practices for evaluating condition of used hydraulic chuck?

carbonbl

Cast Iron
Joined
Apr 15, 2016
Say I want to look at a used Kitagawa hydraulic three-jaw chuck at an auction or used machinery dealer. I've really only dealt with hydraulic chucks installed on machines under power, so not sure what should be done for a quick bench inspection.

Considering I can't hook it up to a lathe or dismantle it, how could I evaluate it to make sure it hasn't been completely abused? Any telltale signs of messed-up master jaws?
 
Does it come with a no-money-back guarantee? ;)

I'd pretty much want to test it after mounting on the machine for which it is intended. I'd have to take responsibility for freight both in and out. But I'd certainly want a money back guarantee on it's suitable repeatability. If I only intended to chuck short pieces of stock and never had to worry about concentricity with a previously turned surface, then a bargain chuck might be fine.
 








 
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