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Auto bed leveling

demillertimedemillertime Posts: 35🌟 Super Member 🌟
I just completed the auto bed leveling mod and everything went pretty straight forward. Not too difficult. I tried running it though and my extruded is extruding quite a distance away from the bed. Do I just need to adjust my z start down closer? Or is there something else going wrong here?

https://youtu.be/s0J1Xhn0AHs

Comments

  • Samuel PinchesSamuel Pinches Posts: 2,392Administrator
    Yes, you need to set your z-offset:


    Then save to eeprom, and then rerun auto bed levelling.
  • HevilpHevilp Posts: 136🌟 Super Member 🌟
    How did you archieve the Auto leveling? Is there are a Tutorial? 
  • demillertimedemillertime Posts: 35🌟 Super Member 🌟
    Not yet, a couple people have been talking about it but not a full one. If noone does I will possibly do one when i get my z offset figured out
  • demillertimedemillertime Posts: 35🌟 Super Member 🌟
    Thanks Sam. I manually connected and sent the commands then lowered the Z axis to 0 until i felt resistance on the supplied green card. Ended up going with -1.7. Will let you know how it goes!
  • Samuel PinchesSamuel Pinches Posts: 2,392Administrator
    Awesome - good luck! :smile:

  • Samuel PinchesSamuel Pinches Posts: 2,392Administrator
    I'll hopefully make a full auto bed levelling video within the next week.
  • demillertimedemillertime Posts: 35🌟 Super Member 🌟
  • Samuel PinchesSamuel Pinches Posts: 2,392Administrator
    I can’t say with definite certainty, but it looks like it should. They claim compatibility with the e3d V6 nozzle standard, Which I have had good luck with using on the A5.
  • HevilpHevilp Posts: 136🌟 Super Member 🌟
    You got the wire plan? I want to install the bltouch  but the are no wire pictures... 
  • Samuel PinchesSamuel Pinches Posts: 2,392Administrator
    edited May 2018
    Have a look here:
    https://www.antclabs.com/bltouch

    I have not tried it... I think there are two wires as a z endstop switch, and three wires for the servo connection.

    servo connection on the MKS Gen l is on the bottom right.


    Post edited by Samuel Pinches on
  • Samuel PinchesSamuel Pinches Posts: 2,392Administrator
    There’s also some discussion here: https://www.thingiverse.com/thing:2827340/
  • g_pwng_pwn Posts: 29Active Member
    edited May 2018
    I had the same issue, turns out i had data and VCC swapped!
    Post edited by g_pwn on
  • BananaBruno19BananaBruno19 Posts: 1Member
    Does the printer come with the auto bed leveling feature? If so, how do you start the bed leveling process?
  • Samuel PinchesSamuel Pinches Posts: 2,392Administrator
    edited January 25
    @BananaBruno19 - welcome! No, from factory it is manual bed levelling. There is an assistant, but it is not able to correct for non-flat beds. With community firmware you get manual mesh bed levelling, and some people have added hardware modifications (bed levelling sensor) for full auto mesh bed levelling.
    Post edited by Samuel Pinches on
  • Stephen ToddStephen Todd Posts: 175🌟 Super Member 🌟
    Just come across this video - may help somebody with A5 or version one A3s



    Thanked by 1Samuel Pinches
  • Laser8302Laser8302 Posts: 123Member, 🌟 Super Member 🌟
    Pretty good video!
    You'll need a mount. If you don't mind losing the front panel, I went with this one for 0 offset in the X direction:
    https://www.thingiverse.com/thing:2831498

    The wires that come with the sensor are going to be too short. You'll either have to create an extension or buy one.
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