To Lap Or Not To Lap.
To Lap Or Not To Lap.
(OP)
Hi :
I have a component ( a typre of crosshead that reciprocates in guides. The whole assembly is lapped, now I want to do away with the lapping, just assemble , oil and let the whole assembly wear in during operation. Anybody with a similar situation?
Please help.
Thank you.
-mechantaeus.
I have a component ( a typre of crosshead that reciprocates in guides. The whole assembly is lapped, now I want to do away with the lapping, just assemble , oil and let the whole assembly wear in during operation. Anybody with a similar situation?
Please help.
Thank you.
-mechantaeus.
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Work Hard and Work Smart.





RE: To Lap Or Not To Lap.
You have two reasons to lap, fit and finish. If the fit must be 14-17 micron loose, you better hold 0-1 on the rod and 0+2 on the bore...Lapping also changes the surface finish, so as fine as machinable and you are most of the time 2x roughness compared to a good lap surface.
RE: To Lap Or Not To Lap.