Re: making a hydraulic valve spool

Posted by Jet9N on August 25, 2004 at 17:02:35 from (209.103.231.25):

In Reply to: making a hydraulic valve spool posted by markct on August 25, 2004 at 11:59:27:

I would think without a cylinder grinder it wouldbe next to impossible to get the O. D. true,
since the reliefs have to be turned first so that
finishing the O. D. will straighten any distortion
any lapping would tend to "round off" the corners
of the lands.

JMHO

Jet

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