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IndustryArena Forum > CAM Software > BobCad-Cam > Tool: Ball Nose definition in BobCad
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  1. #1
    Join Date
    Jun 2005
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    55

    Tool: Ball Nose definition in BobCad

    Under Tool definition/selection on the NC-side of things in BCC, how do you define a ballnose cutter? There are only D and E parameters. Would a 3/16" dia. shank, 3/16" diameter ball nose cutter be: D=0.1875 and E=0.1875 or D=0.1875 and E=.125 (or some formula derived value)?

    Thanks,

    Rob

  2. #2
    Join Date
    Jan 2006
    Posts
    4396
    D=.1875
    E=0.0

    :cheers:
    Toby D.
    "Imagination and Memory are but one thing, but for divers considerations have divers names"
    Schwarzwald

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

    www.refractotech.com

  3. #3
    Join Date
    Jun 2005
    Posts
    55
    That's it! Thanks, can you explain what E actually is please.

    Rob

  4. #4
    Join Date
    Jan 2006
    Posts
    4396
    E= is the diameter of the tool tip. If you were using a 1/2 Diameter BULL NOSE with a .125 Corner Radius it would look like this:


    D=.5
    E=.25

    :cheers:
    Toby D.
    "Imagination and Memory are but one thing, but for divers considerations have divers names"
    Schwarzwald

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

    www.refractotech.com

  5. #5
    Join Date
    Jun 2005
    Posts
    55
    Chasing threads!

    So for a BALL vs BULL nose the E = 0 since the point at the tip is the core diameter - E. I see. Thanks again, Toby.
    Rob

  6. #6
    Join Date
    Jan 2006
    Posts
    4396
    Your welcome:wave:
    Toby D.
    "Imagination and Memory are but one thing, but for divers considerations have divers names"
    Schwarzwald

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

    www.refractotech.com

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