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Forum topic by Paul Lajoie posted 09-14-2014 11:45 PM 924 views 0 times favorited 5 replies Add to Favorites Watch
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Paul Lajoie

131 posts in 2569 days


09-14-2014 11:45 PM

Topic tags/keywords: lathe turning tip

Just upgraded my 6” bench grinder to 8” slow speed, and am now looking at getting a CBN wheel. Not sure which grit to get tho. What do you have and what grit would you recommend? I’m thinking of getting just one to sharpen and I’ll use what came with the grinder to do any actual “grinding” to get the tool close. Thanks for any and all input.

Paul


5 replies so far

View crank49's profile

crank49

3981 posts in 2436 days


#1 posted 09-15-2014 12:10 AM

You do realize those wheels are mainly made for sharpening carbide and other super hard alloys and therefore cost twice as much as your grinder?

Otherwise, I would buy a Rikon 8” grinder complete with white aluminum oxide wheels on sale for $100 and be done with it.

-- Michael: Hillary has a long list of accomplishments, though most DAs would refer to them as felonies.

View TheDane's profile

TheDane

4997 posts in 3128 days


#2 posted 09-15-2014 01:03 AM

Here is a review I posted on my CBN wheels in January 2014 … I’m still happy with them:
http://lumberjocks.com/reviews/3742

CBN wheels are for sharpening HSS tools … I wouldn’t use them on “carbide and other super hard alloys”.

If you are only looking to buy one wheel, go with the 180-grit.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

View jeff's profile

jeff

988 posts in 2930 days


#3 posted 09-15-2014 05:38 AM

Thinking about purchasing CBN wheels also…I find nothing but very good reviews on them,they are suppose to run true,do not need dressing and there is no DUST…...Here’s a link from where Gerry purchased them-Seems like a good price…
http://woodturnerswonders.com/products/cbn-wheel-pair-80-and-180-grit

-- Jeff,Tucson,Az.

View Fred Hargis's profile

Fred Hargis

3944 posts in 1958 days


#4 posted 09-15-2014 11:38 AM

Gerry, your review suggests giving the grinder a head start by spinning the wheels, are they that much heavier than regular wheels?

-- Our village hasn't lost it's idiot, he was elected to congress.

View TheDane's profile

TheDane

4997 posts in 3128 days


#5 posted 09-15-2014 01:49 PM


Gerry, your review suggests giving the grinder a head start by spinning the wheels, are they that much heavier than regular wheels?

- Fred Hargis

Yes. I haven’t weighed them versus the old friable wheels, but they are milled from a single piece of steel and are certainly heftier. It also takes a lllloooonnnngggg time for them to spin down after you shut the grinder motor off.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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