RE: [CAD_CAM_EDM_DRO] Re:Lapping

on 2005-03-24 07:33:04 UTC

I agree with Andy on this one. While you can use a lapping tool to smooth a
surface independently (if you have one smooth surface that you don't want to
wear and one "bumpy" on that you want to match). The whole theory to lapping
IS the wearing down (slightly) of the two parts so any microscopic
irregularities disappear and they become flat in relationship to each other.
Obviously, the worse the match, the more material you will have to remove
and adjust for dimensionally.

Jeff

-----Original Message-----
From: Andy Wander [mailto:awander@...]
Sent: Thursday, March 24, 2005 10:25 AM
To: 'CAD_CAM_EDM_DRO@yahoogroups.com'
Subject: RE: [CAD_CAM_EDM_DRO] Re:Lapping

If lapping can only be done with a lap, and using lapping compound on 2
mating surfaces to smooth them up NEVER makes things better, why do custom
gunsmiths working on tightening up the slide-to-frame fit on auto pistols
use this technique?

Ron, I think you're being a little TOO adamant on this point.

Andy Wander
Verrex Corporation

-----Original Message-----
From: Tom Hubin [mailto:thubin@...]
Sent: Thursday, March 24, 2005 9:07 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] Re:Lapping

> In fact,
> telescope makers make their mirrors by grinding two surfaces together
> to make them curved.

And alternating two of three surfaces to grind all three flat.

Tom Hubin
thubin@...

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