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Thread: thread cutting

  1. #1
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    Default thread cutting

    we have a Komo Router that has a Fanuc Series 210i-M control. I know of the Circular Helical Interpolation commands. I need this type of command that allows the cutter to move in the Z at the same time such as to cut a thread.

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    Default Re: thread cutting

    Quote Originally Posted by bpatterson View Post
    we have a Komo Router that has a Fanuc Series 210i-M control. I know of the Circular Helical Interpolation commands. I need this type of command that allows the cutter to move in the Z at the same time such as to cut a thread.

    Lets say for example you need to cut a internal thread M40 with a 2mm pitch to depth of 20mm , and you are using a diameter 20 mm threading bar with a single point threading insert.

    Lets assume you cutting the thread at X0 and Y0.

    I would program as follows:

    O003
    G90G54G0 X0Y0 S1000M3
    G43H1 Z10.0
    Z1.0
    G1Y10.0 F1000(40/2 - 20/2)
    G2J-10.0Z-1.0 F150(Z MOVEMENT IS PITCH)
    G2J-10.0Z-3.0
    G2J-10.0Z-5.0
    G2J-10.0Z-7.0
    G2J-10.0Z-9.0
    G2J-10.0Z-11.0
    G2J-10.0Z-13.0
    G2J-10.0Z-15.0
    G2J-10.0Z-17.0
    G2J-10.0Z-19.0
    G2J-10.0Z-21.0
    G1X0Y0F1000
    G0Z120.0
    G91G28Y0
    M30

    This will only work if you machine supports helical machining.


    Regards
    Deon

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