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  1. 11-08-2014 #5
    EddyCurrent's Avatar
    Lives in West Cumbria, United Kingdom.
    EddyCurrent
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    Quote Originally Posted by jimbowley View Post
    How would I make the needed 5.4mm hole all the way through 25mm thick delrin? Would that simply be a 3mm mill (or 4mm ?) I'm not familiar with sizes yet and how deep you can go, so much to learn.
    Yes you could use a smaller end mill, it would spiral down to make the required hole, there are several strategies for hole drilling.
    These are the drilling operation parameters for Cambam for example; http://www.cambam.info/doc/0.9.7/cam/Drill.aspx
    The cutter size would have to such that the chips could evacuate the hole easily.
    Last edited by EddyCurrent; 11-08-2014 at 11:20 AM.
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