Reply by Wildwood

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Posted on Sharpening lathe tools with a grinder

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2306 posts in 2135 days

#1 posted 08-11-2012 04:56 PM

Do not know how to make a grinder variable speed.

Have been using a Sears 6” x 3/4 “ 4350 1/3 hp bench grinder for almost 20 years to sharpen my tools. Made couple of different sharpening jigs, broke down a bought down and bought a Wolverine set up soon after buying my grinder.

JMHO, high-low speed grinder not important both will blue your tools if not using a light touch. If had a variable speed grinder would keep it on fastest setting. Size of a bench grinding wheels not important to me. Do wish had a 1” wide wheel on my bench grinder.

I am not impressed with 8” grinders with ¾” wide wheels or less than ¾ hp. Many brands advertize number of amps vice horsepower. Doing little a math shows many brands less than ¾ HP.

Since majority of bench grinders sold here made in China price not always an indication of quality. So say buy locally so can exchange or get money back if stuck with a lemon.

-- Bill

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