Only 2 axis is homing delta 3d printer



  • Hello,
    I just install my duet wifi and also upgrade it to 1.19 firmware.
    I tried to home all axis x,y,z and i notice there is a problem with it.

    If x and y hit home first z will stop moving ==> homing failed on z
    if x and z hit home first y will stop moving ==> homing failed on y
    if y and z hit home first x will stop moving ==> homing failed on x

    Here is my delta homing file:
    G91 ; use relative positioning
    G1 S1 X300 Y300 Z300 F1000 ; move all carriages up 300mm, stopping at the endstops
    G1 S2 X-5 Y-5 Z-5 ; move all towers down 5mm
    G1 S1 X8 Y8 Z8 F500 ; move towers slowly up 8mm, stopping at the endstops
    G1 S2 X-5 Y-5 Z-5 F1000 ; move carriages down 5mm
    G90

    Here is my endstop section in config.g
    ; Endstops
    M574 X2 Y2 Z2 S1 ; Define active high microswitches
    M558 P1 X0 Y0 Z0 H5 F120 T6000 ; Set Z probe type to unmodulated, the axes for which it is used and the probe + travel speeds
    M557 R130 S20 ; Define mesh grid

    Anyone have this problem??? Thanks you!


  • administrators

    The main G1 S1 homing command in your homedelta.g file only allows for 300mm of movement of each carriage to reach the homing switch from any initial position. I suspect that isn't enough for your printer.


 

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