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Y-axis locked up when jogging with keypad/software

Discussion in 'Troubleshooting and Build Support' started by vicentel, Apr 19, 2011.

  1. vicentel

    vicentel Member

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    Hi Mark,

    First of all, thanks for an awesome product! The materials and the build videos are all awesome and because of that my Phlatprinter3 went together pretty seamlessly. Anyway, I got through the calibration tutorial and everything was working fine. I exported the settings just like you said, but before I had the chance to do the test cut, the Y-axis decides to lock up. What I mean by this is, even though I'm pushing the Jog buttons, the software thinks the Y-axis (gantry?) is moving but the head itself is not, in fact it tries to move but something (I believe it is the motor itself) is 'locking' it from moving. This is not something mechanical for when I remove the power the gantry moves side-to-side very freely. I was wondering if the yellow/white wries were touching would this cause the motors to lock up? I have not directly checked the voltage/amps going to the Y-stepper motor but that worked fine through all the testing and calibration. It had plenty of torque and speed, IMO, but I still plan on checking the voltage/amps. Thanks for your help.

    In Him,
    Vic
     
    vicentel, Apr 19, 2011
    #1
  2. rcav8r

    rcav8r Moderator Staff Member

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    HI Vic;
    Welcome to the Phlatforum.... almost as much fun as a Phlatprinter.

    I think you are on the right track with the wiring. Be sure NO wires are touching, or rubbing on anything that can cause a break in the insulation.

    Also double check where they screw into the wiring blocks. Sometimes the screws in the terminal can be clamping down on the insulation avoiding the coper entirely, or the screws may have backed out a little, and not making good contact. I ended up not using the blocks on my PP build, and used 4 pin connectors instead.

    Yes double checking the current (voltage at the TP) can't hurt, but it you had them set right before they SHOULD be fine.

    Also double check what you have for the steps in Mach (if using Mach). A slight slip of a digit here could case jog problems. I doubt this is the issue, but quick enough to check.

    Can you move the gantry when there is power applied? If yes, or with little effort, then you may have a winding (and associated wiring ) open.

    Then there is the old, swap axises. Speeds/feeds may not be right but it will help you narrow down the issue.
     
    rcav8r, Apr 19, 2011
    #2
  3. 3DMON

    3DMON Moderator Staff Member

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    Your acceleration setting could be too high. Oh and welcome to the forum!
     
    3DMON, Apr 19, 2011
    #3
  4. vicentel

    vicentel Member

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    Hi Guys,

    Thanks for all the help. I looked a the settings file as you suggested and I found where the problem was. The steps/unit on the Y-axis was set to a number that was 10X or 100X larger than normal, so as soon as the Y-axis tried to move it would stop. Once I set it to a more appropriate number the Y-axis started working properly again. I quickly proceeded to calibration then cut phlat table. Yay :dance3:
     
    vicentel, Apr 20, 2011
    #4
  5. kram242

    kram242 Administrator Staff Member

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    Hi Vic,
    Sorry for the delay in a response here, I just found this thread.
    Thank you Dave and Shaun for helping out here, you guys are awesome! :doubleup:
    Glad to see your up and running Vic, now the fun can start, get ready to buy lots of foam :D
    Mark and Trish
     
    kram242, Apr 24, 2011
    #5

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