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Thread: How do I compare a slaved motor?

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  1. 06-23-2009, 04:25 PM #1
    MetropolisCNC
    MetropolisCNC is offline Registered
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    Question How do I compare a slaved motor?

    My X axis has two motors X and A (slaved).

    It seems that the A side is lagging a miniscule amount causing the machine to vibrate.

    Is there a way to test how much it is lagging by?

    Thanks,

    Matt
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  2. 06-23-2009, 05:13 PM #2
    High Seas
    High Seas is offline Gold Member
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    Have you tried "swapping"the wires from the controllers to the motors? If it does it -- opposite(ly) maybe a set up problem -- If still the same (A side) I'd guess the motor.
    That won't get you to testing the Lag - but will confirm that it is a motor problem and not a steup in the software.
    (Also, it might point to a physical binding on the "Ä" side.)
    Hope that gets you a start - surely others will have a good idea or 2 as well.
    Cheers - Jim
    Experience is the BEST Teacher. Is that why it usually arrives in a shower of sparks, flash of light, loud bang, a cloud of smoke, AND -- a BILL to pay? You usually get it -- just after you need it.
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  3. 06-26-2009, 10:09 PM #3
    finishlinewrx
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    ^^This

    My slaved axis prob done close to the same thing. One was slower to take off than the other. Ended up being a bad soilder joint in the motor plug and not anything with the software.
    Nick
    I Know I Cant Spell..Don't Remind Me
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