[TheForge] Re: surface finish

The Millers [email protected]
Mon Jan 19 09:44:00 2004


I have been using some finishing wheels and discs from Walters.
They make some "inline" finishing drums from course to super fine that 
are a scotchbrite material.
They also come in cotton buffing drums.
They also make a finishing set for side grinders.
The screw on pad has something like a velcro surface and then you go 
from course to super fine
and you can produce a mirror finish if desired and patient.

Ray Miller
Cincinnati

On Monday, January 19, 2004, at 01:07 AM, Mike wrote:

>
> For evening out finish between unadorned sheet and worked parts or
> areas, I'm partial to 3M Clean & Strip(tm) discs., 6" dia x 1/2" wide
> x 1/2" arbor.  Because these are used on edge, such marks as they
> leave are straight lines (if you're careful) rather than the ugly
> tangled crescent marks of a side grinder/sander.  C&S discs are
> coarse and sharp enough to remove mill scale from sheet and bar.
> These are (sort of) soft discs, pretty much like very coarse
> Scotch-Brite(tm) so they conform to irregularities in a surface.
>
> If that's too coarse a finish, they're also available in fine and very
> fine grits but the finer grits don't cut mill scale very well.
>
> 3M part #048011-00948, max rpm 4000, packed 15 to a case
>
> The same product is also available pre-mounted on various mandrels but
> you have to run them in a die grinder or equivalent 'cause they have
> to go fast.  Using C&S in an electric drill doesn't work well enough
> to be worth the expense.
>
> - Mike
>
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