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Solved Issues with auto leveling, printing, Y axis stuttering?

Discussion in 'Troubleshooting' started by sLpFhaWK, Dec 12, 2015.

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  1. sLpFhaWK

    sLpFhaWK Member

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    Well I don't know what's going on now. I changed the 3 values I wanted and hit upload, now it's timing out.

    I just tried to print a 20mm cube and the printer did the g29 and when it got to the last point matter control said printing, and then it says it was finished in 2 mins when it was supposed to take 20 but nothing even started to print.

    If I had any hair on my head I'd be pulling it out right now.
     
    #41 sLpFhaWK, Dec 14, 2015
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    That is usually a USB issue. Reset the arduino and make sure it is connecting.
    If you have a powered hub that is a good idea.
     
    #42 mark tomlinson, Dec 14, 2015
  3. sLpFhaWK

    sLpFhaWK Member

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    It's connected to the comptuer via a USB extension. the values I changed still aren't being reflected when it's doing the G28 and G29 tho.

    I gave the cube a go again and it's printing this time. So we'll see in a few minutes what the final outcome will be.
     
    #43 sLpFhaWK, Dec 14, 2015
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    What did you change? Have a section of the header file to post?
     
    #44 mark tomlinson, Dec 14, 2015
  5. sLpFhaWK

    sLpFhaWK Member

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    Where do I get the header? Also in the Arduino software the printer connects to the software via com6 is that teh same port i'd use in Arduino software?
     
    #45 sLpFhaWK, Dec 14, 2015
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Generally the same com port. Sometimes resetting the Arduino will change the com port, but not often.
    The header file is presumably what you edited: Configuration.H?
     
    #46 mark tomlinson, Dec 14, 2015
  7. sLpFhaWK

    sLpFhaWK Member

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    I changed

    #define DISABLE_Z true //robo
    to
    #define DISABLE_Z false //robo

    and I changed

    #define XY_TRAVEL_SPEED 5000 // X and Y axis travel speed between probes, in mm/min
    #define Z_RAISE_BEFORE_PROBING 15 //How much the extruder will be raised before traveling to the first probing point.
    #define Z_RAISE_BETWEEN_PROBINGS 5 //How much the extruder will be raised when traveling from between next probing points

    to

    #define XY_TRAVEL_SPEED 30000 // X and Y axis travel speed between probes, in mm/min
    #define Z_RAISE_BEFORE_PROBING 2 //How much the extruder will be raised before traveling to the first probing point.
    #define Z_RAISE_BETWEEN_PROBINGS 2 //How much the extruder will be raised when traveling from between next probing points
     
    #47 sLpFhaWK, Dec 14, 2015
  8. sLpFhaWK

    sLpFhaWK Member

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    Okay when I tried that I got an error, I didn't copy the error message. I'll get that to you after it's finished printing.
     
    #48 sLpFhaWK, Dec 14, 2015
  9. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    OK, those look fine.
    You need to make sure you are loading the firmware to the correct Arduino.
    We do a bit of arduino development and I remember loading it into the wrong one... once. Having more than one attached gets confusing.
     
    #49 mark tomlinson, Dec 14, 2015
  10. sLpFhaWK

    sLpFhaWK Member

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    Okay so I just tried to upload it again, and this time it succeeded. So that is good, and the changes are being reflected now as well, the 9 point leveling dance is much faster thankfully.
     
    #50 sLpFhaWK, Dec 14, 2015
    mark tomlinson likes this.
  11. sLpFhaWK

    sLpFhaWK Member

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    Now when I try to print something the nozzle doesn't want to go to its predetermined z offset. I just tried printing something different and the nozzle is like 3mm from the bed. and I thought I had it dialed in I don't get what I'm doing wrong.
     
    #51 sLpFhaWK, Dec 14, 2015
  12. sLpFhaWK

    sLpFhaWK Member

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    Okay Mark, in Matter control when I run a G28 and a G29 using the terminal everything checks out, but when I click to HOME the Z axis it keeps raising like 5mm. shouldn't that be using the offset I put in the GCode?
     
    #52 sLpFhaWK, Dec 14, 2015
  13. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    No. Home is home. That has nothing to do with the GCode.
    The Z axis home position is defined in the firmware*. GCode only matters once you start printing.


    *partly in firmware and partly by the HOME limit switches.
     
    #53 mark tomlinson, Dec 14, 2015
  14. sLpFhaWK

    sLpFhaWK Member

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    I think i'm done with this printer. I can't figure out why the hell its acting the way it is.
     
    #54 sLpFhaWK, Dec 14, 2015
  15. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    One thing I should mention about your edits, while XY_TRAVEL_SPEED of 30,000 may be possible, I don't believe the Robo can actually go that fast. You do realize you are asking the Robo to accelerate to 500 mm/s. I have found that around 200 mm/s (XY_TRAVEL_SPEED 12000) is about the limit before the Robo starts to resonate.

    And besides this, your steppers will draw more current to accelerate and decelerate to overcome initial stiction and final inertia.
     
    #55 WheresWaldo, Dec 14, 2015
  16. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    That has to be the initial Z offset.
    If however your homing is still making it continuously go UP rather than home a z axis home switch is still at fault.
    That is a 'tell' for a bad or mispositioned switch. You click home and Z keeps going up and doesn't actually 'home'...
     
    #56 mark tomlinson, Dec 14, 2015
  17. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    You might want to do a one-on-one with them. They can see then what is going on and help you get it sorted.
    The darn thing is close.
     
    #57 mark tomlinson, Dec 14, 2015
  18. sLpFhaWK

    sLpFhaWK Member

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    I did the M Gcode command to see if the switches were activated and they were so I'm lost again after being close. that 20mm cube I printed came out good I don't have calipers to see how close it is to 20mm to see if it's under or over extruding but it's clean looking.


    Sent from my iPhone using Tapatalk
     
    #58 sLpFhaWK, Dec 14, 2015
  19. sLpFhaWK

    sLpFhaWK Member

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    I just did the same values novice expert did in his videos. 30k is a bit fast so I'm going to tune it down a bit.


    Sent from my iPhone using Tapatalk
     
    #59 sLpFhaWK, Dec 14, 2015
  20. sLpFhaWK

    sLpFhaWK Member

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    so I called Robo tech support when I got home, and they weren't any help they sent me videos I've already seen. So I said screw it i'll give it one last go, so I did the paper trick, turned the printer on and just printed a part for the top spool holder, and it print the thing fine, then i printed 2 more pieces perfect. so im pretty happy with the results so far!
     
    #60 sLpFhaWK, Dec 15, 2015
    mark tomlinson likes this.
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