Grinding Wheels

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Blog entry by hokieman posted 04-06-2008 06:28 PM 1019 reads 0 times favorited 4 comments Add to Favorites Watch

Has anyone used the Norton 3X grinding wheels on a 3600 rpm grinder? These are the blue wheels that Norton sells that supposedly run much cooler. I had always thought that you needed one of those slower grinders for chisels and plane irons but FWW has an article in its recent publication touting using a 6-inch 3X wheel at 3,600 rpm. If anyone has used such a set up, I would be interested in your thoughts on the “high” versus low rpm grinders for our typical grinding applications as woodworkers. Thanks.

4 comments so far

View GaryK's profile


10262 posts in 4012 days

#1 posted 04-06-2008 06:38 PM

Aluminum Oxide wheels are very sharp cutting wheels that don’t heat up the blade too fast.
They don’t load up either.

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View Blake's profile


3443 posts in 3898 days

#2 posted 04-06-2008 08:11 PM

I’ve used Aluminum Oxide wheels on a high speed grinder and it seems to work fine. Just be sure to always READ THE SPEED LIMIT LABEL on the wheel to know that it is rated for high speed. Otherwise it may explode.

-- Happy woodworking!

View gunner's profile


11 posts in 3788 days

#3 posted 04-07-2008 12:34 AM

I have an aluminum oxide wheel on a bench grinder. It’s definitely better for sharpening than a standard whatcha-call-it wheel as it is made for tool sharpening, but one of these days I’m going to buy a slow speed grinder with a 10×2 AO wheel that runs in a water bath, much better sharpening control.
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View John Gray's profile

John Gray

2370 posts in 3909 days

#4 posted 04-07-2008 05:39 PM

Thanks for posting the question I wondered about it too.

-- Only the Shadow knows....................

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