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oval water stone

I have a 12" x 2" water stone, that is not circular. It is fairly round, but off center, 1/4" excentric. I can't adjust the axle to center it, so it appears I have to turn the stone on its frame, and grind it circular. I am thinking of a jig and using a 4.5 inch hand grinder with one of those diamond metal blades, and a wet sponge, used on stone countertops . I don't own a diamond wheel dresser, but I do have one of those rotary types. Does anyone have any experience doing this or any recomendations? thanks.

Reply to
charles
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I think you should be able to get away with just using the rotary wheel dresser. Just be careful not to let the stone get up to any speed until you've completed dressing it as the vibration could destroy it ( And You)

"charles" wrote in message news:43afdc74$1 snipped-for-privacy@newsfeed.slurp.net...

Reply to
Tom Miller

. . . .Thanks... I figure I will have about 60 rpm, and running in a water bath, when I try this.

Reply to
charles

I don't quite understand why you can't do something to center it. Could you not figure out where the center ought to be, and enlarge the hole so that it is centered. Then make a bushing to reduce the hole to the diameter you need.

I think Harbor Freight sell a diamond hole saw that might work if you have a drill press.

Dan

Reply to
dcaster

Thanks, that's something I had not considered, but surely will now.

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Reply to
charles

I would consider mounting it, turning at a couple hundred RPM, and dressing it with a single-point diamond dresser. The diamond should easily take off the high spot without banging it like a multi-disk dresser would do. Diamond dressers are cheap (I think I paid less than $5 for mine).

Reply to
Bob Chilcoat

Seems to me - it would be somewhat easy to use a hard wax or the like, put the stone on a stick or metal rod using the wax as a side attaching material - around the 'stick' and flowing down across a small area on the stone.

It can be removed after turning - with a little heat and maybe some turpentine to get the rest.

Keep it cool while cutting - and all would work out well.

Martin

Martin Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net NRA LOH & Endowment Member NRA Second Amendment Task Force Charter Founder

Bob Chilcoat wrote:

Reply to
Martin H. Eastburn

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