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Thread: Lapping scratches...
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07-08-2009, 03:59 AM #1
Good idea, thanks!
I *really* wish I had the money to take advantage of your sale on the shapton lapping stone. I have 1k, 4k, 8k, 16k, and 30k Shapton on glass, all subject to the abuse of being lapped by a DMT8C that likes to put scratches in them.
BTW, I *really* like the Shaptons a lot. No regrets on spending the rather significant amount on the set. I do kinda wish I had the 2k stone, though. Jumping from the 1k to the 4k sometimes seems a bit steep.Last edited by FloorPizza; 07-08-2009 at 04:04 AM.
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07-08-2009, 04:16 AM #2
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07-08-2009, 09:50 PM #3
Update: I was able to remove the offending tall diamonds with a flat blade screwdriver. It now laps 'em smooooth. The 8c laps sooo much faster than the 8E did. Even my Chinese 12k gave it up quickly to the 8C.
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07-08-2009, 11:07 PM #4
I get rid of lapping scratches left my my DMTC by rubbing the stone I've just lapped with another lapped stone that is hard, fine, and non-porous. I have used my C12K, Swaty's, and a Spyderco pocket stone (the "fine" one) for this, and all have worked quite well. I'm sure most "finishing" or "touch-up" barber hones would do this job well, since they tend to be fine, hard, non-porous and slow.
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07-09-2009, 02:30 AM #5
In theory if a hone were perfectly flat no matter what the grit it would not cut, just as you could make a saw out of the hardest steel in the world and without teeth it would be useless. The scratches will be a problem if it forms a repetitive frequency- where the peaks line up and the valleys line up, which will sawtooth your razor. If they are random circular scratches you'll be fine. The hone has literally millions of scratches and textures and what not at the micro level. Thats what makes it work.
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07-09-2009, 04:28 PM #6
I think the concern is that scratches that are large enough to see indicate peaks and valleys that are larger than normal and which might catch the blade and cause micro chipping. Or at least that is my concern.
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07-09-2009, 04:31 PM #7