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Thread: FINISH PROBLEM

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  1. 06-25-2011, 06:11 PM #1
    BAD DOG
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    FINISH PROBLEM

    I AM GETTING A REALLY BAD FINISH ON ANY RADIUS THAT X AND Y MOVE TOGETHER. FINISHES IN X AND Y STRAIGHT MOVES ARE REALLY NICE.

    I KNOW THAT THIS IS A SYMPTOM OF SOME PROBLEM WITH EITHER GAIN, BEARINGS OR PERHAPS BALL SCREW. ANY IDEAS??

    THANKS,

    DOUG

    98 FADAL 22X16
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  2. 06-26-2011, 06:35 AM #2
    scadvice
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    Smile check...

    ...the free play in the table gibs. Next tune the amps. Last maybe the thrust bearings?

    Steve
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  3. 06-27-2011, 11:04 PM #3
    Neal
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    I would also verify the servo loop gain. If your axes are not sync'd then the muliple axes motion will stair step and give a bad finish. Verify that the their is no lost mechanical motion!

    Neal
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