Reply by GAwoodworker

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Posted on Trouble with new diamond plates

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37 posts in 1332 days

#1 posted 01-10-2018 04:00 AM

I have run into the exact same problem with a new DMT Extra Fine that I bought. After a few uses, it seems as if diamonds came dislodged and scratched across the surface of the plate and re-embedded themselves. The result is a sharpening plate that has big scratches in the surface that gouge into what ever I am sharpening. It damages the edge of an iron when I am sharpening. I just stop at the Fine plate now and will probably get some shapton stones in the future. The other day, I used a friend’s diamond plates that he has had for 15+ years and got a massively different outcome when comparing them to mine. My new Fine plate was dramatically rougher than his Coarse plate, and he said he’s barely used it in 10+ years. We were both dumb founded. Even if he did use it a lot, massive wear on his plate still couldn’t amount to the differences we were seeing. I think the recent production in the past couple years has dramatically cheapened and quality control has gone down. I’ll be watching to see what other people say!
PS – I always flatten soles on sandpaper and a flat surface. Haven’t taken them to my plates yet. Only irons touch my pates.

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