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Posted by on November 26, 2008, 3:13 pm
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> > > What I would like to know is what brand, make and model number of Typ=
e
> > > 5 wheel are you using on your bench/pedistal grinder for HHS tool
> > > bits. Also. the same info for carbide grinding..
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> > > Thank you in advance,
>
> > > Rod
> > > San Francisco- Hide quoted text -
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> > I do not use a type 5 wheel to grind tool bits. =A0I just use a regular
> > aluminun oxide wheel. =A0A coarse one to get the general shape and then
> > a fine one that I got at Boeing Surplus. =A0Grinding lathe bits does no=
t
> > require angles to be precise except maybe for threading. =A0And you can
> > get threading bits precise using a cheap gage.
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> > Dan
>
> Dan,
> Thanks for your advice.
>
> I would like the option of grinding on the side of the wheel. That's
> why I was looking for a type 5.
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> Rod- Hide quoted text -
>
> - Show quoted text -
Both green and diamond wheels are really unsuited for HSS bits, only
carbide. I'd use a aluminum oxide cup wheel of about 40 grit or so
for HSS if I was stuck with a bench grinder. Side grinding on a
straight wheel really IS NOT the way to go. As it is, I use a belt
grinder and a 40 grit belt for rough shaping, 80 grit for finishing
with a few licks on a diamond hone plate afterwards. Others will have
their own procedures. I have a bench grinder I inherited and was
using, it seldom gets any play since I've gotten the belt grinder.
Stan
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> I have a nice 10" bench grinder and would like to mount a diamond or
> green grinding wheel on it for side grinding lathe bits. =A0Mostly high
> speed steel with the occational carbide.
>
> I read and have been told never to grind on the sides of my existing
> 80 and 120 grit wheels.
>
> I can't afford a dedicated carbide grinder so I want to convert my
> bench grinder into a more usefull machine. =A0I really only use my
> grinder for lathe bits.
>
> Any information would be appreciated.
>
> Rod
> San Francisco