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Z probe.

Discussion in 'Laser Cutters' started by Mikael palander, Oct 15, 2023.

  1. Mikael palander

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    [​IMG] How do I setup the z-axel and probing in openbuilds.

    I think wireing is ok but after it goes down and pushes the switch it stops insted of going bak up. But how do I use probing in openbuilds sowtware?

    I have changed in the prossesor
    Probdistenc to 100
    And probe rete 150

    And comment out the lines by puting // infront of the lines
    zoutput
    Writeln
    Wrightblock
    Gmotionmodal.reset
    Zoutput.reset
     

    Attached Files:

  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Are you running an X32? If so, did you perhaps skip over the documentation? In particular section 7.1 and 7.2 of the BlackBox X32 Documentation?
     
  3. David the swarfer

    David the swarfer OpenBuilds Team
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    up to here I understand in that if you have a BlackBox X32 then you are seeing a bug in the early software that prevented retract after probe and you need to update the firmware as Peter points out.

    This I do not understand, you are showing part of the Fusion360 postprocessor, yet nowhere in the postprocessor is any Z probing done, there is no need to comment out anything in the post that will solve your failure to retract after probing.
    So, what exactly are you trying to achieve by changing a perfectly working post? If you prevent retracts in the Gcode you will get crashes, could be expensive.

    If you are trying to prevent G53 moves to avoid homing, then you are doing the wrong thing to solve a problem that does not exist.
    If you do not have home switches then please fake the home instead, it works every time all the time and puts the machine in a state that all Gcode generators expect and allows industry standard safety moves (and easy position recovery after a crash or emergency stop).
     
  4. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Correction. If you do not have home switches, spend the $24 and fit some: Xtension Limit Switch Kit - sooo much easier
     
    David the swarfer and sharmstr like this.
  5. David the swarfer

    David the swarfer OpenBuilds Team
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    I do agree, the point is you must home the machine, one way or another it must be done, switches make it easy, Xtension kits make it reliable and easy to install
     
    Peter Van Der Walt likes this.
  6. Mikael palander

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    I am a beginner at this. But I follow JD garage youtube build what version of the firmware shuld I use?
     
  7. David the swarfer

    David the swarfer OpenBuilds Team
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