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Discussion in 'CNC Mills/Routers' started by Jimcncwant2be, Feb 10, 2021.

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  1. Jimcncwant2be

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    Hello,

    I just finished building my new Lead 1515. However I am having trouble with the GRBL setting. When I choose Openbuilds LEAD 1515 my NEMA 23 2.45 high torque motors jump and lock up. This happens on the Y and X axis. Y1 and Y2 get out of sync and are not aligned. The Z seems to work fine in both setting. The X does the same as the Y. When I use the setting Openbuilds C Beam XL they seem to work fine but maybe a little loud.

    Hoping that someone has experienced this and has a clue what could be causing this issue.

    Thanks in advance for helping with this.

    Regards,
    Jim
     
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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  3. Jimcncwant2be

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    Hello Peter,

    I should have put that in the thread but that is one of the first things I checked. However, I will do so again. Any other thoughts as to what may cause this.

    Regards,
     
  4. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Measure including any extension wires, could have a break insice insulation somewhere too.
     
  5. Jimcncwant2be

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    Hello,

    Thanks for your suggestions.
    I still cannot find a problem with the wiring. I am using 22 AWG 4C Shielded Type CL3P/PPLP.
    It looks the same as the wire on the NEMA's. Could that be a problem. I was told this wire should be enough for these NEMA's. Hope that was correct.
    I can send images of my wiring from NEMA's to the blackbox if that would help.

    Regards,
     
  6. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Did you confirm both coils are wired correctly as per the procedure i linked above?

    If you are using 3rd party wiring, any other components from 3rd parties (not openbuilds parts) as the profiles are optimised for our parts.
     
  7. Jimcncwant2be

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    Hello Peter,

    Sorry I am new and do not see a link you posted.
    Can you recommend the type wire I should order from open builds for a Lead 1515 using NEMA 23 2.45 high torque.
    Regards,
     
  8. Giarc

    Giarc OpenBuilds Team
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  9. Jimcncwant2be

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    Thank You, I will check these tomorrow.

    Regards,
     
  10. David the swarfer

    David the swarfer OpenBuilds Team
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    what is the different in max speed and acceleration settings between Lead1515 and C-BeamXL ?
    LEad1515 3500mm/min and 350mm/s/s
    C-beamXL 1000mm/min and 100mm/s/s

    So maybe the Lead settings are just too fast for the motors?
     
  11. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    I am suspecting high inductance motors from some other seller?
     
    David the swarfer likes this.
  12. Jimcncwant2be

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    Hello,

    I have made progress. I changed the settings on Openbuilds LEAD 1515 to the following settings.
    $110 and $111 were changed from 3500 to 2000. They now work great. That brings up 2 more questions. Will it move slower and do you think the NEMA motors are not compatible?

    Regards,
     
  13. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Before we can answer that, please confirm or deny our earlier questions:

    and also


     
  14. Jimcncwant2be

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    Hello,

    Both coils are wired correctly and the NEMA motors are Maker?
     
  15. Rick 2.0

    Rick 2.0 OpenBuilds Team
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    If you could provide a spec sheet or a link for the stepper motors it would be tremendously helpful. Thanks.
     
  16. Jimcncwant2be

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  17. Ryan Brain

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    I have a freshly assembled 1515, and I had a similar issue. My solution didnt find the exact problem;
    I put new ferrule terminals on all wires, and replaced the y1 + y2 wires (my mistake)
    Runs perfect- Just need to learn the programs
     
  18. Jimcncwant2be

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    Ryan,

    thanks, will look into that.

    jim
     

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