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CNC xPRO Driver

Discussion in 'Other Builds' started by Spark Concepts, May 25, 2014.

  1. snokid

    snokid Journeyman
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    yes, if I don't do it by Tuesday, remind me.... Going up north for the weekend!!!!
    Have a great weekend everyone!!!
    Bob
     
  2. GrayUK

    GrayUK Openbuilds Team Elder
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  3. snokid

    snokid Journeyman
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  4. Darus

    Darus New
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    I take it you havent wired up the homing switches or the start/hold/reset ones ether? I build my ox about a year ago, but just started to have the time to play with it. I was getting a faulty prob when trying to use the touch plate.
     
  5. snokid

    snokid Journeyman
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    No, for me the way I use it I really don't need limit or homing switches....
    what fault are you getting with the touch plate?
     
  6. Darus

    Darus New
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    I got it working with shorter wires, but I still find it a little flakey. Using the 5+ and ground. I just need to wire up the limit switch just as a safety if it goes wonky.
     

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  7. dirtdemon

    dirtdemon New
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    Hey guys just getting my of kit up and running. Bought the kit from smw3d but went with a cnc xpro instead of their tiny g. I'm working on getting all the settings nailed down and have run into a couple issues with the x and y. First off they both seem to be a bit noisey and can almost make out the steps in the noise, the z is nice and smooth tho. Also on the same two axis my movements are consistently off. The same on both x and y one step is 1.012 next step is 0.975 then 1.013 then it repeats In that order if I continue jogging. Any suggestions? Oh I am using 26.667 step/mm for both x and y
     
  8. Darus

    Darus New
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    What g code sender are you using, I found by using the universal gcode sender resovled my issue with noise steps.
     
  9. dirtdemon

    dirtdemon New
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    Have tried ugs grbl panel and grbl controller all the same findings
     
  10. GrayUK

    GrayUK Openbuilds Team Elder
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    Noisy motors are synonymous to having a low power supply, usually in the Amps department. :rolleyes:
     
  11. dirtdemon

    dirtdemon New
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    Using the 24v 350watt psu supplied in the kit running 3 Nema 23 and one Nema 17 steppers
     
  12. Ronald van Arkel

    Staff Member Builder Resident Builder

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    Or the other way around; not enough juice. Still, in both cases the variable resistor needs to be adjusted @dirtdemon, and I also know what your first upgrade will be: swapping out the NEMA17 for a NEMA23 ;), sure, the NEMA17 is okay for testing and soft materials (foam and the like).


    -Ronald
     
  13. dirtdemon

    dirtdemon New
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    Tried adjusting the pots but didn't seem to change anything even turned all the way down it still moves and sound the same at 0 or 100 percent or anywhere in between. As far as the Nema 17 goes from wat i read on smw3d site the 23 is a bit overkill but we will find out if I can get the rest sorted out. The psu has also been check as it putting out exactly 24.0 v
     
  14. Ronald van Arkel

    Staff Member Builder Resident Builder

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    Hmmm, try 1/8 divider for the NEMA23 motors, it should work smoother and might solve your problem. Also, use a fan on the xPRO to make sure it0s not terminal throttling. And the Z-axis; NEMA17 might suite your needs, but most problems come from not having enough holding torque and thus uneven cutting depht.

    -Ronald
     
  15. dirtdemon

    dirtdemon New
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    @Ronald van Arkel they are already set at 1/8 step, all three axis. And also using a 30x30 fan blowing directly over the board mounted in a box.
     
  16. Ronald van Arkel

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    My bad, 1/16, just to test as 1/8 should be good. You are using 3GT /GT3 belt right? Any specs on the motors or are they the 175oz ones?

    -Ronald
     
  17. dirtdemon

    dirtdemon New
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    Just tried 1/16 steps seems to be the same way. Yes I am using gt3 belts and Pulleys. The Nema 23 steppers are 175 Oz. Wat if I go the other way with the steps... To 1/4 will that make it better or worse?
     
  18. dirtdemon

    dirtdemon New
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    Well I got the inconsistent movements squared away. Just fiddled with settings ended up bumping the steps/mm up to 27.000 for x and y and now they r spot on... Now just the noise issue remains. I did manage to get it a little better by changing some of the settings but oddly the noise from the steppers has a different tone depending on which program I try to jog it in... Have been using ugcs and grbl panel mostly.... Seems to be louder or more pronounced growling in grbl panel. I could just use ugcs but the way I have my spindle setup is using the software to adjust speed thru pwm and I don't see anywhere in ugcs that supports thst so would rather stick with grbl panel. Any more suggestions?
     
  19. Darus

    Darus New
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    Here are the settings I use.
     

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  20. dirtdemon

    dirtdemon New
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    Here's where I'm at currently. Doesnt make sense why they sound different between the two programs when the grbl settings r the same. 0607162222a.jpg
     
  21. dirtdemon

    dirtdemon New
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    Also is there something In the programming that I need to enable to use the spindle speed pwm outputs? Tried running a simple program today just cutting air, went pretty well except when I hit start the spindle started to spool up then shut off and don't come back on for the rest of the program
     
  22. bnbellis3377

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    Need help!!!!
    I finished my cbeam. Downloaded the software for the xpro through openbuilds,plugged the xpro in and everything seem right settings there went through the setting according to the JPEG . Hooked up the power supply 24v 350w 15 amps, jogged motors everything was good. When I tried again the next day I had yellow LEDs on the board for the coolant and spindle and there were no setting on the settings tab, through different emails (spark concepts and openbuilds) they said the drivers may need to be updated, tried that but still no setting. Any help Also was reading on github grbl setting ,that the grbl could be restored if so "how" I have no command line to work with
    Thanks for the help Brian
     
  23. Steve Fox

    Steve Fox Well-Known
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    Hook the Uno up to your PC and boot the Arduino IDE.
    Set the correct COM port.
    Go into TOOLS>Serial Monitor.
    Type in $RST=$
    That should do it.
     
  24. bnbellis3377

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    Thank you for the reply I'll try that tonight when I get home
     
  25. bnbellis3377

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    Update to what mr fox said to try, that didn't help, thank you though I was reading on forums that it could possibly be bricked if so would that cause my problems and can it be fixed or should it be trashed thanks again brian
     
  26. Spark Concepts

    Spark Concepts Journeyman
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    If the arduino ide didn't help, the microcontroller is likely bricked. Luckily, it is a pretty straight forward repair. If you send an email to [email protected] I can walk you through the repair, or you can send it in and ill get it repaired for you.
     
    Mark Carew likes this.
  27. bnbellis3377

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    Thank u
    I'll send an email tomorrow it would probably be better if I shipped there I don't have access to the computer till late evening. Reading forums and email is all done through my phone
    Thanks again Brian
     
  28. James Ellis

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    Can a touch plate be used with the CNC xPro? if so how and where do I connect it?

    I am just about to wrap up my ooznest OX 1000x15000, CNC xPro, limit switches, DW611 using a Raspberry PI 3 running Raspian Jesse and ZapMaker Grbl Controller.
     
  29. Julius

    Julius Well-Known
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    Its said not to use Grbl controller.
     
  30. James Ellis

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    Do you know why that is or where it says that? This is the custom build I am using with a few slight modifications. Thanks for the heads up as well.
     

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