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What grade diamond wheel for honing carbide?

Is 1200 too fine?

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Grindstone Cowboy	25/07/2022 22:19:42
1160 forum posts 73 photos	I've been offered a 1200 grit diamond wheel, which I propose to use for honing carbide lathe tools by mounting it on a low-revving motor. But before I go to all that trouble, do you think 1200 grit is a suitable grade? I have a feeling it may possibly be too fine to be of much use. Thanks for any advice, or examples from someone who has actually done anything simlar. Rob
Stuart	25/07/2022 22:32:18
12 forum posts 12 photos	1200 will be absolutely fine Rob. I normally start with 1000 then finish with 2000 and it doesn't take too long at all. When I'm feeling particularly indulgent I'll mount up an alumina wheel charged with 1um diamond for a mirror finish
Grindstone Cowboy	25/07/2022 22:36:39
1160 forum posts 73 photos	Thanks Stuart, I'll go ahead then Rob
bernard towers	25/07/2022 22:54:49
1221 forum posts 161 photos	Any particular reason you are going to use a low revving motor?. I run my 4 and 6 inch diamond wheels mat 3200 rpm. I would have thought that higher revs and light cuts were the order of the day for a fine finish.
Grindstone Cowboy	25/07/2022 23:18:53
1160 forum posts 73 photos	Hi Bernard I was taking ideas from this video by Stefan Gotteswinter - it would certainly simplify things to just go with a bench grinder. The wheel is the type with the diamond on the face, rather than around the periphery. Rob Links to https://www.youtube.com/watch?v=GOBtH4m2TYo
Neil Lickfold	26/07/2022 03:09:46
1025 forum posts 204 photos	You can run the wheel wet in low rpm ranges and not make a mess. The water just takes away the carbide particles blocking the wheels surface. The low speed has the advantage of very low heat.

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