Re: [CAD_CAM_EDM_DRO] Re:Lapping and scraping

The key to a good scrap is having a even pattern of high spots, When
done right, the low spots shouldn't be very low. A good way lubricant
can then evenly support the sliding surfaces.

Ron Ginger wrote:

>I scraped my Grizzley mini mill. There are some photos on my web page,
>http://plsntcov.8m.com It was still an ugly machine so I sold it.
>
>Scraping requires a known flat surface to test against. You test,
>scrape, test, scrape, until you get tired of the whole process. Its hard
>to tell when to stop, you scrape off some, then blue it and test. But
>now you have a bunch of high marks, so you scrape them off, but of
>course you want to see if you got them, so you blue again. But now you
>have a bunch of marks that you ought to scrape off and you go back
>around the loop.
>
>ron ginger
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