Need Help! Z axis torque alarm


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Thread: Z axis torque alarm

  1. #1
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    Default Z axis torque alarm

    On some of our FANUC wire EDM machines, the Z axis stops when
    I move it . The torque alarm comes on.
    This doesn`t happen all the time.

    A few people have told me that if the Z axis is over-greased this will happen,
    and if the wrong grease is used it may also happen.
    And if the grease is old and dried out it will happen.

    Is this a common problem due to poor maintenance, or something else ?

    Also There is no obstruction to the Z axis.

    Thanks, Tom

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  2. #2
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    Default Re: Z axis torque alarm

    Don't know about your Fanucs, but I've seen it happen several times on our Brother HS-70A's.

    You have to be very careful greasing the Z-axis.

    Over vigorous application will pop the seals, and then your in trouble.

    After replacing two Z-axis units on ours we rarely grease the "Z" any more.



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Z axis torque alarm
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