[TheForge] Re: belt life vs speed

[Doug Ayen]

Quoth Chuck Robinson (robi5515@bellsouth.net):
> Hey Randy,
> The high speeds on commercial grinders, using ceramic belts, are generally
> coarse grits 36 - 60 or so . They remove a lot of metal fast with minimal
> heat build up.
>  When I'm rough grinding my big hammer heads I can remove 1 1/2 lbs of steel
> in 15 minutes.
>  As you progress to different types of belts you have to determine the
> optimum belt speed and pressure. The type of steel you are grinding will
> also affect the optimum grinding conditions.
> The general rule of thumb is: the finer the grit  the slower the speed and
> minimal pressure.
>  It also helps, if the belts are water proof, to spray it with a solution of
> cool mist and water.
> It really helps to minimize heat build up.
> There are so many different possible types of belts out there. It is very
> hard to choose. Your best bet is generally, to buy from a reputable belt
> supplier and tell him/ her what you want to grind . what kind of metal and
> how polished the finish. Let the supplier  recommend the belts, and speeds
> to use them at.
> For finishing belts I like Triazic or better yet NORAX belts.
> Chuck

Oooh, I love the trizact, if the NORAX belts are better I've got to 
try them. Where do you get them? Google pulls up raves but not suppliers
for me.

--doug