Bed Leveling wrong



  • Ok I love the duet3d simple to configure. And the community is great i read aloud here of fixed. But now i need the help of you guys again. I am stuck @ the moment with my build.

    I have a MK42 clone bed
    I use the original Pinda probe

    But every time i use G29 or G32 my bed is weird. I show the CVS of my bed also and my config. Can someone here please help me what do i do wrong.

    heightmap.csv

    [[language]]
    RepRapFirmware height map file v2 generated at 2018-02-08 21:52, mean error -0.718, deviation 0.373
    xmin,xmax,ymin,ymax,radius,xspacing,yspacing,xnum,ynum
    25.00,235.00,25.00,195.00,-1.00,20.00,20.00,11,9
     -0.003,  0.013,  0.007, -0.020, -0.722, -0.967, -1.110, -0.893, -0.523, -0.643, -0.790
     -0.003,  0.015, -0.567, -0.592, -0.665, -0.740, -1.055, -1.163, -1.283, -0.645, -0.810
      0.007,  0.005, -0.567, -0.577, -0.638, -0.753, -0.893, -1.062, -1.245, -1.457, -0.805
     -0.010, -0.575, -0.558, -0.590, -0.645, -0.712, -0.888, -1.045, -1.183, -1.535, -0.805
     -0.020, -0.592, -0.572, -0.505, -0.587, -0.648, -0.855, -0.995, -1.155, -1.457, -0.938
     -0.158, -0.597, -0.592, -0.548, -0.577, -0.640, -0.820, -0.960, -1.235, -1.462, -1.033
     -0.165, -0.622, -0.595, -0.622, -0.660, -0.707, -0.788, -0.962, -1.085, -1.367, -0.862
     -0.193, -0.155, -0.643, -0.640, -0.668, -0.725, -0.842, -0.995, -1.138, -1.327, -0.830
     -0.213, -0.207, -0.665, -0.675, -0.717, -0.742, -0.942, -1.043, -1.153, -0.670, -0.790
    
    

    My config.g

    [[language]]
    ; Configuration file for Duet WiFi (firmware version 1.20 or newer)
    ; executed by the firmware on start-up
    ;
    ; generated by RepRapFirmware Configuration Tool on Thu Mar 08 2018 21:43:26 GMT+0100 (West-Europa (standaardtijd))
    
    ; General preferences
    G90                                                                                  ; Send absolute coordinates...
    M83                                                                                  ; ...but relative extruder moves
    
    ; Network
    M550 PCobraWorld                                                                     ; Set machine name
    M551 P*******                                                                      ; Set password
    M552 S1                                                                              ; Enable network
    M587 S"********" P"********" I192.168.1.16 J192.168.1.254 K255.255.255.0 ; Configure access point and IP addresses. You can delete this line once connected
    M586 P0 S1                                                                           ; Enable HTTP
    M586 P1 S0                                                                           ; Disable FTP
    M586 P2 S0                                                                           ; Disable Telnet
    
    ; Drives
    M569 P0 S1                                                                           ; Drive 0 goes forwards
    M569 P1 S0                                                                           ; Drive 1 goes backwards
    M569 P2 S1                                                                           ; Drive 2 goes forwards
    M569 P3 S1                                                                           ; Drive 3 goes forwards
    M350 X16 Y16 Z16 E256 I0                                                             ; Configure microstepping without interpolation
    M92 X80 Y80 Z400 E420                                                                ; Set steps per mm
    M566 X900 Y900 Z12 E120                                                              ; Set maximum instantaneous speed changes (mm/min)
    M203 X30000 Y30000 Z300 E1200                                                        ; Set maximum speeds (mm/min)
    M201 X500 Y500 Z250 E250                                                             ; Set accelerations (mm/s^2)
    M906 X830 Y830 Z830 E800 I30                                                         ; Set motor currents (mA) and motor idle factor in per cent
    M84 S30                                                                              ; Set idle timeout
    
    ; Axis Limits
    M208 X0 Y0 Z0 S1                                                                     ; Set axis minima
    M208 X250 Y210 Z180 S0                                                               ; Set axis maxima
    
    ; Endstops
    M574 X1 Y1 S0                                                                        ; Set active high endstops
    
    ; Z-Probe
    M574 Z1 S2                                                                           ; Set endstops controlled by probe
    M558 P1 H5 F120 T12000                                                               ; Set Z probe type to unmodulated and the dive height + speeds
    G31 P500 X23 Y9 Z2.5                                                                 ; Set Z probe trigger value, offset and trigger height
    M557 X25:235 Y25:195 S20                                                             ; Define mesh grid
    
    ; Heaters
    M301 H0 S1.00 P10 I0.1 D200 T0.4 W180 B30                                            ; Use PID on bed heater (may require further tuning)
    M305 P0 T100000 B4138 C0 R4700                                                       ; Set thermistor + ADC parameters for heater 0
    M143 H0 S120                                                                         ; Set temperature limit for heater 0 to 120C
    M305 P1 T100000 B4138 C0 R4700                                                       ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280                                                                         ; Set temperature limit for heater 1 to 280C
    
    ; Fans
    M106 P0 S1 I0 F500 H T45                                                             ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned on
    M106 P1 S1 I0 F500 H-1                                                               ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned off
    M106 P2 S1 I0 F500 H-1                                                               ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned off
    
    ; Tools
    M563 P0 D0 H1                                                                        ; Define tool 0
    G10 P0 X0 Y0 Z0                                                                      ; Set tool 0 axis offsets
    G10 P0 R0 S0                                                                         ; Set initial tool 0 active and standby temperatures to 0C
    
    ; Automatic saving after power loss is not enabled
    
    ; Custom settings are not configured
    
    

  • administrators

    Can you explain what you think is wrong with that height map? It looks to me that you have something like an i3 setup with dual Z motors, and the Z motors have become out of sync. Also either the Z homing position or the Z probe trigger height is not set accurately.



  • @dc42:

    Can you explain what you think is wrong with that height map? It looks to me that you have something like an i3 setup with dual Z motors, and the Z motors have become out of sync. Also either the Z homing position or the Z probe trigger height is not set accurately.

    That help me. Its not working. My z motos was outer sync. My print looks amazing.


  • administrators

    You can sync the motors automatically if the E1 motor output is free. See https://duet3d.dozuki.com/Wiki/Bed_levelling_using_multiple_independent_Z_motors.


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