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post #1 of 4 Old 07-21-2010, 11:47 AM Thread Starter
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need help ( 2 part question)

1. What, in your opinion would be the best grinding wheel for my 6 inch slow speed bench grinder. Most of my grinding is for bowl gouges.

2. On a other forum someone suggested using Min Wax ??????, one coat does the trick. For the love of, I cannot remember or find that information!

Any help on either or both questions would be appreciated
Thanks Ron Marietta Ga
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post #2 of 4 Old 07-22-2010, 12:43 PM
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Look into Norton's 3X wheels. 80 or 120 grit will do the job. The bummer is that you have a 6" grinder, which in my opinion is too small to do a good job on turning tools. The disadvantage to a 6" wheel is that it creates too much hollow grind on the tool, which can cause issues. Hard to rub the bevel when the bevel has a very distinct curvature. An 8" grinder would be a good investment, and an even better investment is a good slow speed sharpening system like a Tormek with a 10" wheel. I use an 8" and it works fine. My 6" grinder only gets used for lawnmower blade sharpening!

As far as Minwax....That's a brand name but they have dozens and dozens of different finishing products. What are you finishing, what is it being used for, what is the desired finish look, etc.?
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post #3 of 4 Old 07-22-2010, 02:49 PM
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I have to politely disagree on the 6 inch grinder. I used one for many years and in fact still have that one. I now have an 8". I did a test one day to see the difference and there isn't enough difference in the hollow grind to matter at all. That part of the tool doesn't do anything anyway.
I switched for exactly the reason you stated on my thoughts were that you have a little thicker metal there because of the shallower hollow grind. That should make the tool vibrate less. I cannot feel it.
The only tool that I can actually see a difference is a thin skew with a really sharp 25 degree angle. Even then there isn't much difference.
You can buy wider wheels for the 8" grinders easier than for 6". there is a difference in surface speed between 6 and 8 of course but it really hasn't changed how I sharpen at all.
I have not tried the norton blue wheels yet. I did try another brand and saw no difference at all between that one and my white wheels except for price. I'll stick to the white for now.
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post #4 of 4 Old 07-23-2010, 12:17 AM
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Quote:
Originally Posted by ronjboucher View Post
1. What, in your opinion would be the best grinding wheel for my 6 inch slow speed bench grinder. Most of my grinding is for bowl gouges.

2. On a other forum someone suggested using Min Wax ??????, one coat does the trick. For the love of, I cannot remember or find that information!

Any help on either or both questions would be appreciated
Thanks Ron Marietta Ga

Possibly Minwax Antique Oil??
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