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OpenBuilds CONTROL Software

Discussion in 'Control Software' started by Mark Carew, Oct 8, 2018.

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  1. SeanD

    SeanD Well-Known
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    Also have replaced USB cable with 5 others, 4 of which are fully shielded and have worked before.
     
    #2041 SeanD, May 5, 2022
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Try a different PC as another test step

    Also possible your controller has picked up damage (its been in use a while - check wiring for loose terminals or chaffed through cables that could have caused short circuits etc)
     
    #2042 Peter Van Der Walt, May 5, 2022
  3. SeanD

    SeanD Well-Known
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    Th
    Thanks mate, always appreciate your help. I will pull the whole thing apart including motors limits and vfd over the weekend. Might need to order a new Blackbox. I have 100% gotten more than expected use out of this lil guy :)
     
    #2043 SeanD, May 5, 2022
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  4. Rogue_One

    Rogue_One New
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    hi,
    Peter Van Der Walt

    i have question? My stepper motor wire's get hot all three of them, when running a job for three hours. is that normal or a problem?
    The DM542A stepper Drive are set to 2.83 Peak / 2.03 RMS on the dip switch., i guess 2.84A. The stepper motor's are 3.0A 1.8 425oz., My power system [email protected]

    other people toll me change the 24v to 36v or 48v, they said the DM542A drive can do 36v to 48v mush better. is that true?




    best regard
     
    #2044 Rogue_One, May 7, 2022
  5. Giarc

    Giarc OpenBuilds Team
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    I have those drivers on one of my machines and I use a 36V power supply. I have never noticed anything getting hot. However, the motors I have are 2.8 amp and I have my dip switches at 2.37 Amps peak.
     
    #2045 Giarc, May 7, 2022
  6. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Yeah dial the current down a bit
     
    #2046 Peter Van Der Walt, May 7, 2022
  7. Rogue_One

    Rogue_One New
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    current set at 2.83 Peak / 2.03 RMS

    setting down to 2.37 Peak/ 1.69 RMS

    i'll tested today, So 24v is good? or change to 36v
     
    #2047 Rogue_One, May 7, 2022
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  8. sharmstr

    sharmstr OpenBuilds Team
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    I'm digging the new grbl settings layout. It makes it easier even for me who has years of experience.
     
    #2048 sharmstr, May 7, 2022
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  9. David the swarfer

    David the swarfer OpenBuilds Team
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    how about thicker wires that can carry the current without getting hot?
     
    #2049 David the swarfer, May 7, 2022
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  10. Rogue_One

    Rogue_One New
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    im using the same wire type that come out the stepper motor.

    The wire's that are getting hot are A+, on all three stepper motor, Also i change the dip switch's to 2.37 Peak/ 1.69 RMS. the stepper stay warm, not hot like before.
    But A+ wiring's are still a little hot. I'm to hard wire direct with solder to see if help.
     

    Attached Files:

    #2050 Rogue_One, May 8, 2022
  11. SeanD

    SeanD Well-Known
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    Different PC with the Blackbox just connected to PC and different cables all saw the USB but couldn’t connect. Probable done somewhere between 3500-4000 hours on this unit and I consider that an epic run so I ordered a new one priority post to Australia.
     
    #2051 SeanD, May 8, 2022
    David the swarfer, Peter Van Der Walt and sharmstr like this.
  12. David the swarfer

    David the swarfer OpenBuilds Team
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    those D-shell connectors are not really rated for Amps of current so I am not surprised if it gets hot at ~3A

    'same wire type' is an illusion when it comes to making the wires longer (-:
    it needs to be a thicker wire the longer it is to ensure that the losses in the wire are minimized so the voltage and current you need actually arrives at the motor. If the wires are getting hot they are too thin.

    if only 1 pair of wires is getting hot then I think that means that the drivers are mostly stopping with that pair turned on, which is weird and probably indicates a fault or some setup thing we don't understand yet.

    What are you microstepping settings?

    is SW4 on or off?
    on means full current is always applied
    off means the driver goes to half current after not receiving a step pulse for 500ms.
    I would use this on X and Y but not on Z
     
    #2052 David the swarfer, May 9, 2022
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  13. Rogue_One

    Rogue_One New
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    thanks,
    D-shell DP15 they're rated for 0.024amp. Hard wire direct proble resolved.

    I ran in to problem with the openbuilds software..
    i was making a dust plate in Cerveco pro maker. the spindle is 72.01mm / and vacuum hose is 29.98mm. the two LED lights 12.5mm
    so made the plate and send g-code openbuilds software. when it started to cut the first hole 72.01mm i pause the job and measure the first hole.
    i got 69.98mm instead of 72mm. had to re-calculate inorder to get 72mm exactly.

    follow me for a second.
    i had change 72.01mm to 93.1mm and run the g-cde again. this time i got 72.01mm exactly on point.
    which it didn't make any sense to me.
    So to make the plate i used {Area Clearance tool}. and end mill 6mm.

    see picture for my setting with Area clearance tool.

    And also has anyone had a problem openbuilds software crashing in the middle of job, in macOS and Windows.?

    Best regard
     

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    #2053 Rogue_One, May 10, 2022
    Last edited: May 10, 2022
  14. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Only if the PC you are running on is old/slow - or if you forgot to setup Windows's power settings as described in section 4.2 of the BlackBox Documentation


    Did you change the size in CAD? Rather - calibrate your machine using the Wizards and Tools menu > Calibration. Of course, depends on your definition of "crash" - what exactly happens, log entry screenshots etc
     
    #2054 Peter Van Der Walt, May 11, 2022
  15. Rogue_One

    Rogue_One New
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    No i didn't change size in CAD, Project is 4 holes 72.1mm , 29.98mm ,12.5mm x2 Material Acrylic fiberglass, Thickness 13mm

    I use the Wizards and Tools menu > Calibration the machine. And even before calibration of the machine, I ran the same project and got the same results.
    other project lake 2D and 3D carving ran perfect no problem. Only when cutting out hole.

    The software just freeze why still running the job, i had to reboot the system
     
    #2055 Rogue_One, May 11, 2022
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