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  1. #1
    Good Day All,

    Sorry If this is in thr wrong section.

    I have a home built CNC router running mach 3. Was built in 2011.

    Long story short.... Left machine running a finishing pass on some vacuum forming molds came back once finished and the spindle was sitting very randomly spinning in a none natrul way. https://youtube.com/shorts/OUIfTT_EAKI

    Parts I have changed thus far....

    A new pmdx 126 and 107 board have been fitted.

    If any one can shed any light onto this i will be greatful as you all know, Its an expesive table if its not cutting.

    Thank you in advance

    regards Tom

  2. #2
    Have you checked for a broken connection at the spindle or somewhere along the cable where it gets a lot of flex
    The more you know, The better you know, How little you know

  3. #3
    If i had enabled the spindle and it was doing that i would understand wiring but thats only just enabling Mach 3 before its referenced,

  4. #4
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 15 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,755. Received thanks 334 times, giving thanks to others 8 times.
    What actually switches on/tells the VFD to power the spindle?
    BOB output? via a relay? MODbus? ??
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

  5. #5
    I have a PMDX 126 (BOB) then a PMDX 107 options card that controls the VFD

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