Re: [Emc-users] OT: lapping machine disc

Interesting that someone else is looking at this subject. A few days ago I dug out an old machine I rescued from factory about to be redeveloped, it has no grooves and also rotation is from above if wanted. http://www.collection.archivist.info/searchv13.php?searchstr=cooke+polishing Dave Caroline

[Emc-users] OT: lapping machine disc

Hi All I've been looking at lapping machines, like this, and wondered if anyone knew more about the theory of the grooves. While I understand how there is constant velocity on the conditioning ring periphery, if the plate is grooved