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  1. #1
    In our attempt to make this version of BOBcad-CAM work we have run into an issue. We need to chamfer the bottom side of a through hole in BOBcad-CAM. Most of our drawings are done through 2D in the program and we need to know a couple things on this.

    1. How do you program a bottom chamfer tool using a Multi-Master top and bottom chamfer tool in BobCAD V25? Tool information at http://www.iscar.com/eCatalog/item.a...app=0&GFSTYP=M

    2.Is there a way to program bottom chamfers into through holes using 2D drawings or would we need to use solid images to achieve this?

  2. #2
    You are asking V25 to do something not supported at it's release but it should be possible.

    You can do it with 2D geometry with a little ingenuity, I use a thread milling operation with one turn and near-zero pitch to generate code to cut a groove at the bottom of a blind hole, this gives you the lead-in and lead-out to get in and out of the hole clearing the cutter, you can edit the Z move round the one turn out manually fairly easily if you need to.

    If you need more help you can give me a file to put an example into for you,
    Last edited by magicniner; 23-12-2017 at 11:11 AM.
    You think that's too expensive? You're not a Model Engineer are you? :D

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