Need Help! wasino profile grinder fanuc om can't input pc parameters


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    Default wasino profile grinder fanuc om can't input pc parameters

    I'm working on a wasino profile grinder with fanuc om controller that lost its memory. I input the nc parameters and tried to do the pc(diagnostic) parameters but it will only allow me to imput #500-509. I have all the remaining parameters to input but it won't take them? Any ideas?

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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Quote Originally Posted by sedm View Post
    I'm working on a wasino profile grinder with fanuc om controller that lost its memory. I input the nc parameters and tried to do the pc(diagnostic) parameters but it will only allow me to imput #500-509. I have all the remaining parameters to input but it won't take them? Any ideas?
    What is the alarm that you have right now?
    From what number ( PC diagnostic) are you trying to input the parameters?

    Regards

    Alex Fanuc



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    No alarms. All the diagnostic parameters except # 500 thru 509. I was able to input those. Machine won't home.



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Quote Originally Posted by sedm View Post
    No alarms. All the diagnostic parameters except # 500 thru 509. I was able to input those. Machine won't home.
    If the machine will not zero return, then you must check NC parameters.
    What do you have in parameter 21 and 22?

    Alex Fanuc



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Quote Originally Posted by alexfanuc View Post
    If the machine will not zero return, then you must check NC parameters.
    What do you have in parameter 21 and 22?

    Alex Fanuc
    Parameters 21 and 22 are all zeros.
    When trying to home it gives a 501 error y overtravel alarm but it only travels .075(inch)
    And if I go in the other y direction, it only goes .075 that way and trips the alarm??

    Thanks for your help!!



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Quote Originally Posted by sedm View Post
    Parameters 21 and 22 are all zeros.
    When trying to home it gives a 501 error y overtravel alarm but it only travels .075(inch)
    And if I go in the other y direction, it only goes .075 that way and trips the alarm??

    Thanks for your help!!
    Hello ,

    then you must open the software limits.
    prm 700 (stroke limit + direction) for x axis (write down the actual number ) make it 99999999
    prm 701 (stroke limit + direction) for z axis (write down the actual number ) make it 99999999

    prm 704 (stroke limit - direction) for x axis (write down the actual number ) make it -99999999
    prm 705 (stroke limit - direction) for z axis (write down the actual number ) make it -99999999

    Regards
    Alex Fanuc



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    What are the parameter numbers for the y axis. Its a profile grinder and only has x&y axis.
    Thanks again



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Quote Originally Posted by sedm View Post
    What are the parameter numbers for the y axis. Its a profile grinder and only has x&y axis.
    Thanks again
    The parameters that I stated apply for the Y axis. Instead of Z axis those parameters apply for the Y axes
    Remember that when changing those parameters, the axes will not stop until the reach the hardware overtravel switch. If the hardware overtravel switch malfunction, you may damage the screwball.

    Regards

    Alex Fanuc



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    With those parameters input, when I try to home it. An error 426 (y axis disconnect) comes up now. I'm going to try taking the servo connections off and cleaning them with electrical contact cleaner?



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Quote Originally Posted by sedm View Post
    With those parameters input, when I try to home it. An error 426 (y axis disconnect) comes up now. I'm going to try taking the servo connections off and cleaning them with electrical contact cleaner?
    How about the X axis? Does it home?

    Alex Fanuc



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Yes the x axis seems fine. The y axis seems to vibrate when you jog it. Then as soon as you move it fast, it kicks the alarm. I"m thinking the servo needs tuned for the y axis?



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Opps, I was wrong, it gives an alarm 90 when doing a zero return in the x axis. But it does move nice and smooth in the x axis as compared to the y.



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Quote Originally Posted by sedm View Post
    Yes the x axis seems fine. The y axis seems to vibrate when you jog it. Then as soon as you move it fast, it kicks the alarm. I"m thinking the servo needs tuned for the y axis?
    If the axis vibrates and the machine lost memory, I would look into the 8200 parameters. First solve this problem, then we will look into the alrm 90 in the X axis.

    Alex fanuc



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    I found that 8203 parameter was incorrect. I changed it and now the vibration is gone. And I found that the limit switch(deceleration)was set incorrectly for the x axis. The machine now homes!!!!
    The only thing that doesn't seem to work is the multiplier. When I crank the handles it moves in slow speed regardless of the multiplier setting( x1, x5,or x10). Any ideas?

    Thanks so much! You've been so helpful. Rich



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Correction......The multiplier is working just not in the same ratio it did previously. On x1, 1 turn on the handwheel =.001(inch) and x5 =.005 and x10=.010. It works fine this way, just different ratio than previously. We used to grind on x5 before. Now we grind on x10 to make it feel the same.

    Thanks again for all your help. I couldn't have got it running without your help! Rich



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Any help on an alarm 11. It occurs when trying to do taper in automatic mode(forward or back buttons) the taper works fine if I crank the handles but not in auto mode??



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Quote Originally Posted by sedm View Post
    Any help on an alarm 11. It occurs when trying to do taper in automatic mode(forward or back buttons) the taper works fine if I crank the handles but not in auto mode??
    Hello:

    Check the feedrate. Did you command feedrate?

    Regards

    Alex Fanuc



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    No, I didn't command a feed rate. The grinder manual says its variable macro #500 and to consult the fanuc operators manual which I don't have. How do I set a federate?



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    Default Re: wasino profile grinder fanuc om can't input pc parameters

    Never mind, I found it. It was in menu offset button.
    Thanks again, Rich



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