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  1. #1
    Join Date
    Aug 2010
    Posts
    45

    Copper turning

    I have to make electrodes for a EDM machine from copper. I will be turning these on a CNC lathe. What is the best insert to use. This has to be finished with a .0078 radius tool nose.
    Thanks for any suggestions.

  2. #2
    Join Date
    Aug 2015
    Posts
    108

    Re: Copper turning

    Im using Mitsubishi Carbide. Anything for aluminum would work. Something with a polished surface will give you a cleaner looking part.

    I'm currently turning Copper Alloy 110 with:

    DNMG - MIT259750 - ROUGHER
    VNGG - MIT209621 - FINISHER

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