[Jewelry making - Article 00901] - Re: [Orchid] Uses for the small CNC milling machine

[Nicholas Carter and Felice Luftschein]

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    Thanks Ken! I tend to be conservative, especially with small
    endmills. 

    So 1/32" 2 flute HSS endmill 

    3 ipm feed, 10,000 rpm and.010" depth of cut. I used the same
    feedrates for the titanium ones I've been doing. The drag engraving
    can go faster, I usually bump it up a bit. 

    You could probably go much faster, but as they say, slow and
    steady...I did accidentally program some gear earrings at 10 ipm and
    they cut fine but raised a bigger burr. As it is now the cut has a
    minimal bur and is easy to clean up. Also the silver chips kind of
    pile up and are easier to reclaim, although my mill is very sparkly
    right now. 

    For the titanium I used plain water as coolant as I didn't want the
    tape to let go. I cut the silver dry. 

    I've been having a lot of fun with the methods since I posted that.
    When I sell one pair on Etsy, I can just whack out another in short
    order. I also found that the double sided tape holds wax pretty well,
    who would have thought? (That was for a job with a.010 carbide
    endmill....) 

Nick
www.cartertools.com/nfhome.html
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