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    Bed Leveling wrong

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • CobraMikeundefined
      CobraMike
      last edited by

      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
      
      
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      • dc42undefined
        dc42 administrators
        last edited by

        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.

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

        1 Reply Last reply Reply Quote 0
        • CobraMikeundefined
          CobraMike
          last edited by

          @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.

          1 Reply Last reply Reply Quote 0
          • dc42undefined
            dc42 administrators
            last edited by

            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.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

            1 Reply Last reply Reply Quote 0
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