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Mesh Grid Offset?

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  • undefined
    ZeroedByte
    last edited by 8 Apr 2018, 21:38

    ZeroedByte 8 Apr 2018, 15:37
    I'm trying to get the auto bed leveling figured out on my delta.
    My inductive sensor sits 40mm on the +y axis.
    The issue I'm running into is, when I set my radius to like 70, it only probes half the bed.
    The whole -y side on zero doesn't seem to get probed.
    I changed the G31 offset in config.g, and that's the only place I've run a G31.
    What am I missing? 😞

    One day my printer will work without making my life a nightmare :D

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    • undefined
      dc42 administrators
      last edited by 8 Apr 2018, 22:18

      Please post your config.g file.

      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

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      • undefined
        ZeroedByte
        last edited by 8 Apr 2018, 22:21

        ; Configuration file for Duet WiFi (firmware version 1.17 to 1.19)
        ; executed by the firmware on start-up
        ;
        ; generated by RepRapFirmware Configuration Tool on Fri Apr 06 2018 17:56:30 GMT-0600 (Mountain Daylight Time)

        ; General preferences
        G90 ; Send absolute coordinates...
        M83 ; ...but relative extruder moves
        M555 P5 ; Set firmware compatibility to look like Repetier
        M665 R138 L346.06 B60 H190.65 ; Set delta radius, diagonal rod length, printable radius and homed height
        M666 X0 Y0 Z0 ; Put your endstop adjustments here, or let auto calibration find them

        ; Network
        M550 PSeth's Delta ; Set machine name
        M552 S1 ; Enable network
        M587 S"Gandy Network" P"kittenrules" ; Configure access point. 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 S1 ; Drive 1 goes forwards
        M569 P2 S1 ; Drive 2 goes forwards
        M569 P3 S1 ; Drive 3 goes forwards
        M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation
        M92 X200 Y200 Z200 E895 ; Set steps per mm
        M566 X1200 Y1200 Z1200 E1200 ; Set maximum instantaneous speed changes (mm/min)
        M203 X18000 Y18000 Z18000 E1200 ; Set maximum speeds (mm/min)
        M201 X1000 Y1000 Z1000 E1000 ; Set accelerations (mm/s^2)
        M906 X1000 Y1000 Z1000 E800 I30 ; Set motor currents (mA) and motor idle factor in per cent
        M84 S30 ; Set idle timeout

        ; Axis Limits
        M208 Z0 S1 ; Set minimum Z

        ; Endstops
        M574 X2 Y2 Z2 S1 ; Set active high endstops

        ; Z-Probe
        M558 P1 I1 X0 Y0 Z0 H5 F1400 T6000 ; Set Z probe type to unmodulated, the axes for which it is used and the dive height + speeds
        G31 P500 X0 Y40 Z0.608 ; Set Z probe trigger value, offset and trigger height
        M557 R70 S20 ; Define mesh grid

        ; Heaters
        M305 P0 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 0
        M143 H0 S100 ; Set temperature limit for heater 0 to 100C
        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 S0 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
        M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
        M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

        ; 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

        ; Custom settings are not configured*

        I was also confused as to how to calibrate the endstop offset, I came from Repetier and the G132 offset tools.

        One day my printer will work without making my life a nightmare :D

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        • undefined
          dc42 administrators
          last edited by 8 Apr 2018, 22:39

          To put the nozzle at X0 Y-20 would require the nozzle to be at X0 Y-60 so it should at least probe that point. To probe X-20 Y-20 would put the nozzle at X-20 Y-60 which is 62.4mm from bed centre, so that should be probed too, same for X20 Y-20. But all the other points on that half of of the bed will be omitted because probing them isn't possible while keeping the nozzle within the bed radius.

          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

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