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drilling and milling stainless steel sheet on a mini mill

Discussion in 'CNC Mills/Routers' started by mp1001, Jul 3, 2020.

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  1. mp1001

    mp1001 New
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    my first cnc hole (with a lip), done on a mini mill (in stainless steel sheet :jawdrop:) . I might remachine it with a much smaller finishing pass - see if I can improve on the slight, albeit uniform, imperfection on the corners. It might be the best tolerance the machine can do, yet - I guess I'll find out !

    (Milling is of an ABS-backed 1mm stainless steel sheet using a 90 Degree Point, 2 Flute, Micrograin Carbide
    AlTiN Coated drill and Carbide 2 Flute AITiN-coated End Mill )

    Corner radius is 3.35mm, drill/mill diameter 6mm

    IMG_3397.JPG
     
    #1 mp1001, Jul 3, 2020
    Last edited: Jul 3, 2020
  2. Giarc

    Giarc OpenBuilds Team
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    Looks good! Better than my first unintentional attempt at stainless. It was a piece mixed in with aluminum off-cuts at my local metal yard...and I assumed it was brushed aluminum. I even checked it with a magnet. :rolleyes: The part worked, but it wasn't pretty.
     
    #2 Giarc, Jul 3, 2020
    mp1001 likes this.
  3. Lisandro

    Lisandro New
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    Were you able to improve the stainless steel machining? Could you share the parameters that you used? I am interested in machining some SS in my new minimill.
    Thanks!
     
    #3 Lisandro, May 28, 2023

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