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Cura Ignoring Z-Offset after Auto Level Robo R1+

Discussion in 'General Questions' started by aznhlfan, Jun 28, 2017.

  1. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    That sounds like the Z steps may be set incorrectly.
    If it is an R1+ that number should be 800, what do you have in there?

    #define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,800,723.38} // default steps per unit for RoBo 3D R1+
     
  2. aznhlfan

    aznhlfan Active Member

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    I calibrated and changed it to 850

    Sent from my Galaxy S7 using Tapatalk
     
  3. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    OK, that should be fine. Then temperature or a clog are your next culprits.
     
  4. aznhlfan

    aznhlfan Active Member

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    I upped the temperature 2 215 and 50 for pla hatchbox, so my next step is to replace the nozzles

    Sent from my Galaxy S7 using Tapatalk
     
  5. Geof

    Geof Volunteer Moderator
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    Can you attach a new picture of your defect? I'm having a hard time understanding/visualising it
     
  6. aznhlfan

    aznhlfan Active Member

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    I can when i get home from work

    Sent from my Galaxy S7 using Tapatalk
     
  7. Geof

    Geof Volunteer Moderator
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    That would be great. Might also be a good idea to clear eeprom. mattercontrol does wierd crap and some of it is saving junk to eeprom
     
  8. aznhlfan

    aznhlfan Active Member

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    I use the M500 and M502, does that clear it?

    Sent from my Galaxy S7 using Tapatalk
     
  9. Geof

    Geof Volunteer Moderator
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    Yessir. That will do! :D
     
  10. Geof

    Geof Volunteer Moderator
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    ( M502 followed by a M500)
     
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  11. aznhlfan

    aznhlfan Active Member

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    Sent from my Galaxy S7 using Tapatalk
     
  12. aznhlfan

    aznhlfan Active Member

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    Here are pics of my last print
    Cura 15.04
    M565 -0.9[​IMG][​IMG]

    Sent from my Galaxy S7 using Tapatalk
     
  13. aznhlfan

    aznhlfan Active Member

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    Ok, tried multiple things, been a month and still won't print correctly. So i have decided to buy a Titan Aero and replace the current extruder, hopefully that is the cause of the issues. This will be my first big hardware mod, so I hope this goes smoothly. If it goes smoothly and works good, I may purchase one for my other printer and do the exchange. Anyone have a Titan Aero that can offer some pros and cons?

    Sent from my Galaxy S7 using Tapatalk
     
  14. Geof

    Geof Volunteer Moderator
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    Why do you think upgrading the hotend will fix what you think is a software issue? Nobody I know has gotten the aero to work on the robo without switching to a prusa style x axis. And even then I havent heard of any success or seen any finished prints.
     
  15. aznhlfan

    aznhlfan Active Member

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    I don't knoq its a software issue, i have tried 3 different slicers, calibrated my extruder multiple times, adjusted my esteps, tried v1 v2 v3 of robos firmware, replaced the ramps, tried different filiment (even tho i have printed great with Hatchbox in the past), made sure all the rods are straight not bent, checked the belts, checked the bearings. I have absolutely 0 ideas left.

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  16. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Let me say that your most recent print pictures look good with the exception of what appears to be a little under-extrusion.

    What is it in those pictures? Use circles. And arrows and a paragraph explaining what is wrong if you need :)
    Your problem has migrated from "a Z offset issue" to something else quality related :)
     
  17. aznhlfan

    aznhlfan Active Member

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    The problem hasnt migrated, its the same issue. But i have tried everything to fix it. I agree, under extrusion, that pic is printed with my firat Robo +, i had the same under extrusion problem and tweaked it out. But its 100X worse on my other Robo+.under extrudes so much all the print is is throw out material. it has never printed good, called Robo, everything they had suggested to try, i did. I even turned up the esteps to 1100, and still under extruding. Extrudes a couple lines, skips a couple, then extrudes. Everything I tested everything mentioned on both.

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  18. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Well, that is almost certainly an extruder problem.
    However I think we can limit it to just the extruder stepper, stepper driver or the hotend.

    Me? I think I would start cheap and boost the stepper driver current.
    Then look at a new stepper motor and lastly a different extruder.
     
  19. aznhlfan

    aznhlfan Active Member

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    It is a factory refurb, but I have had it less than 3 months

    Sent from my Galaxy S7 using Tapatalk
     
  20. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Certainly feel free to call up support and wring them out on this.
    They need to get it working.
    If I were repairing it myself those are the steps I would take
     
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