How does one who is polishing by hand get to these RPM's??? I have a
little shoulder joint difficulty that I am blaming on the polishing effort,
but if I had managed to sustain these speeds, I would have something to
complain about....
Jim
----- Original Message -----
From: "Kenneth E. Johansen" <[EMAIL PROTECTED]>
To: "Multiple recipients of VACList" <[EMAIL PROTECTED]>
Sent: Wednesday, January 31, 2001 10:15 AM
Subject: [VAC] Re: Polishing rpms
> Is that polishing or cutting. As I understand it you want to do the rough
> cuts with fast RPM then do final polish with lower RPM.
>
> At least thats what I understand
>
> Ken
> 5358
> 59 Traveler
>
> At 08:05 AM 1/31/01 -0800, you wrote:
> >Hi all -
> >
> >polishing "really" happens at high rpms - 2800 to 3200
> >RPM's. below that what you are really doing is
> >"smoothing" rather than brightening..
> >
> >this can be a good thing because one of the most
> >common problems you'll see in a polish job is
> >cloudiness... what that means is that the aluminum has
> >poor color - it should appear deep and transparent -
> >that is what is meant by color.
> >
> >On the other hand, reflectivity, though it is somewhat
> >affected by color, happens at high RPM.
> >
> >I polished a panel with burnishing bars and a die
> >grinder once. the "color" wasn't even because the
> >buffing wheel was only 1/4" wide. But, since the
> >wheel was spinning at somewhere between 15,000 and
> >28,000 RPM, the panel was so reflective it "halo'd" at
> >night time - it literally reflected enough light to
> >create a halo of reflected light around itself.
> >
> >just notes all, thanks.
> >
> >Toby
> >--- Robert / Susan Harper <[EMAIL PROTECTED]> wrote:
> >>
> >> >Thanks for the reply. Question? About what speed
> >> did you like when
> >> >polishing? Dean
> >> >
> >>
> >> Just a guess since pressure slows the rpm's, but I'd
> >> say 1000-1500 range most of the time (using 7" Milw.
> >> var. spd. polisher).
> >>
> >> BH62GT/SC
> >>
> >>
> >
> >
> >=====
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> >VAGRANT WBCCI 2029 VAC
> >Minneapolis, MN
> >
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