cut left hand thread with Fanuc 20-TA control
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  1. #1
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    Default cut left hand thread with Fanuc 20-TA control

    I have a Nardini lathe with a Fanuc 20-TA control and i am trying to cut a left hand thread. I fill out the form for threading Z1=0. then Z2=1.00. I now get an alarm stating Z2 is larger than Z1. and i can't get any farther. I wish to thread from left to right
    I hope that some one can help me. Thanks

  2. #2
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    Quote Originally Posted by Petergun View Post
    I have a Nardini lathe with a Fanuc 20-TA control and i am trying to cut a left hand thread. I fill out the form for threading Z1=0. then Z2=1.00. I now get an alarm stating Z2 is larger than Z1. and i can't get any farther. I wish to thread from left to right
    I hope that some one can help me. Thanks
    are you trying to do this through FAPT?

  3. #3
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    Fanuc 21 maybe?


    The only thing that comes up under Fanuc 20 is a 20kg robot.
    ???


    As GD said, look up G76.



    ---------------

    Think Snow Eh!
    Ox

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    Quote Originally Posted by Ox View Post
    Fanuc 21 maybe?


    The only thing that comes up under Fanuc 20 is a 20kg robot.
    ???......
    Fanuc did make a 20. I've only seen them on lower end machines. I'm pretty sure it is not FAPT. Some flavor of CAPS maybe. In any case, a conversational programming system.

  5. #5
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    Try the opposite, Z1=1 and Z2=0.


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