The thing on the surface plate is my dovetail reference. I did have to scrape it to get it perfectly flat before I could use it.
Sunday, January 2, 2011
My (now blue) surface plate
Returning to scraping
But, then I tried to sharpen it and had no luck at all. You don't want to hit it with a regular green wheel and sharpening by hand with a diamond stone would take forever and was not seeming make a dent. Finally, I invested in one of those Enco carbide grinders and a diamond wheel. It makes quick work of that carbide. I figure I'll use it for other carbide grinding later on, anyway, so it's a good investment. It has a lot of runout, but that's another story. Anyway, I've gotten the bottom of the cross slide very good and flat, then the flats on the saddle. Next, I launched into the dovetails on the saddle and I have them pretty good, now as well. They are within about 1/10000 of parallel as well. I'll post a picture of how I measured that pretty soon. Next step is the dovetails in the cross slide.
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