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IndustryArena Forum > CNC Electronics > General CNC Machine Related Electronics > FANUC Oi Mate TC controller Threading problem
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  1. #1
    Member
    Join Date
    Dec 2019
    Posts
    3

    Unhappy FANUC Oi Mate TC controller Threading problem

    Can someone really help me to solve this. My CNC lathe had once executed a G33/G32 Threading cycle. Suddenly, whenever I run a Threading Cycle, it just reads the line of the threading cycle on the screen and stays there with spindle rotating but no tool motion. Below is a program I used to test the Lathe once more:

    %
    G28 U0 W0;
    T202;
    G00 X20.0 Z5.0;
    G76 P030060 Q100 R0.15;
    G76 X16.93 Z-30.0 P1533 Q500 F3.0;
    G28 U0 W0;
    M05;
    M30;
    %
    Please, what could be the problem?

  2. #2
    Flies Fast
    Join Date
    Dec 2008
    Posts
    2808

    Re: FANUC Oi Mate TC controller Threading problem

    dont see a Speed or spindle ON command
    check manual for 1st G76 line P030060
    03= # of finish passes
    60= angle of flank approach(I use 29 for 60° metric thread)

  3. #3
    Member
    Join Date
    Dec 2019
    Posts
    3

    Re: FANUC Oi Mate TC controller Threading problem

    Quote Originally Posted by Superman View Post
    dont see a Speed or spindle ON command
    check manual for 1st G76 line P030060
    03= # of finish passes
    60= angle of flank approach(I use 29 for 60° metric thread)
    Thanks Superman. I used a Spindle On and Speed command. It still did the same thing( Tool motion stopped st the 1st line of executing G76 Or G32..
    Can you suggest a better Command for P030060 line?

  4. #4
    Registered
    Join Date
    Feb 2011
    Posts
    340

    Re: FANUC Oi Mate TC controller Threading problem

    try removing the point from the R value

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