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Re: [ATM] machine hogging

Weight may be the key, but with plate glass and 60? hmmm... No personal
experience there.  I know Bill Prewitt used a barbell weight PLUS some
additional to hog his 30....

Ken

Quoting Guy Brandenburg <gfbrandenburg@yahoo.com>:

> I didn't get any responses when I asked whether it was
> normal for 3 hours of machine grinding/hogging with a
> cast iron gear and #60 grit to produce at MOST a
> 0.002" depression on a 16.5" plate glass mirror blank.
> The gear weighs about 5 pounds, I guess.
>
> Any comments?
>
> Guy Brandenburg
> NCA, NOVAC
>
> =====
> Guy  BrandenburgWashington, 
> DChttp://home.earthlink.net/~gfbranden/GFB_Home_Page.html
>
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Hermit, holed up in Youngstown, Ohio
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