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    Delta mesh leveling not working.

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    Tuning and tweaking
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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      Please post your config.g, homedelta.g, bed.g and your slicer start gcode. It would also help to see the results of M122 and M98 P"config.g".

      Also check out these pages

      https://duet3d.dozuki.com/Wiki/ConfiguringRepRapFirmwareDeltaPrinter
      https://duet3d.dozuki.com/Wiki/Calibrating_a_delta_printer
      https://duet3d.dozuki.com/Wiki/Using_mesh_bed_compensation

      Z-Bot CoreXY Build | Thingiverse Profile

      darkuncle33undefined 4 Replies Last reply Reply Quote 0
      • darkuncle33undefined
        darkuncle33 @Phaedrux
        last edited by

        @phaedrux ; Configuration file for Duet WiFi (firmware version 3)
        ; executed by the firmware on start-up
        ;
        ; generated by RepRapFirmware Configuration Tool v3.2.3 on Sun Apr 04 2021 16:38:36 GMT-0400 (Eastern Daylight Time)

        ; General preferences
        G90 ; send absolute coordinates...
        M83 ; ...but relative extruder moves
        M550 P"Flsun_Q5_Duet" ; set printer name
        M665 R107.5 L215 B100 H300 ; 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
        M552 S1 ; enable network
        M586 P0 S1 ; enable HTTP
        M586 P1 S0 ; disable FTP
        M586 P2 S0 ; disable Telnet

        ; Drives
        M569 P0 S1 ; physical drive 0 goes forwards
        M569 P1 S1 ; physical drive 1 goes forwards
        M569 P2 S1 ; physical drive 2 goes forwards
        M569 P3 S1 ; physical drive 3 goes forwards
        M584 X0 Y1 Z2 E3 ; set drive mapping
        M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
        M92 X80.00 Y80.00 Z80.00 E413.00 ; set steps per mm
        M566 X1200.00 Y1200.00 Z1200.00 E1200.00 ; set maximum instantaneous speed changes (mm/min)
        M203 X18000.00 Y18000.00 Z18000.00 E1200.00 ; set maximum speeds (mm/min)
        M201 X1000.00 Y1000.00 Z1000.00 E1000.00 ; 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 S1 P"xstop" ; configure active-high endstop for high end on X via pin xstop
        M574 Y2 S1 P"ystop" ; configure active-high endstop for high end on Y via pin ystop
        M574 Z2 S1 P"zstop" ; configure active-high endstop for high end on Z via pin zstop

        ; Z-Probe
        M558 P5 C"^!zprobe.in" H5 F120 T6000 ; set Z probe type to switch and the dive height + speeds
        G31 P500 X0 Y0 Z19.36 ; set Z probe trigger value, offset and trigger height
        M557 R85 S20 ; define mesh grid

        ; Heaters
        M308 S0 P"bedtemp" Y"thermistor" T100000 B4138 ; configure sensor 0 as thermistor on pin bedtemp
        M950 H0 C"bedheat" T0 ; create bed heater output on bedheat and map it to sensor 0
        M307 H0 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit
        M140 H0 ; map heated bed to heater 0
        M143 H0 S120 ; set temperature limit for heater 0 to 120C
        M308 S1 P"e0temp" Y"thermistor" T100000 B4138 ; configure sensor 1 as thermistor on pin e0temp
        M950 H1 C"e0heat" T1 ; create nozzle heater output on e0heat and map it to sensor 1
        M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit
        M143 H1 S275 ; set temperature limit for heater 1 to 275C

        ; Fans
        M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
        M106 P0 S0 H-1 ; set fan 0 value. Thermostatic control is turned off
        M950 F1 C"fan1" Q500 ; create fan 1 on pin fan1 and set its frequency
        M106 P1 S1 H1 T45 ; set fan 1 value. Thermostatic control is turned on
        M950 F2 C"fan2" Q500 ; create fan 2 on pin fan2 and set its frequency
        M106 P2 S1 H1 T45 ; set fan 2 value. Thermostatic control is turned on

        ; Tools
        M563 P0 D0 H1 F0 ; 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 defined

        ; Miscellaneous
        M575 P1 S1 B57600 ; enable support for PanelDue
        M501 ; load saved parameters from non-volatile memory

        sgtconker1rundefined 1 Reply Last reply Reply Quote 0
        • darkuncle33undefined
          darkuncle33 @Phaedrux
          last edited by

          @phaedrux ; bed.g
          ; called to perform automatic delta calibration via G32
          ;
          ; generated by RepRapFirmware Configuration Tool v3.2.3 on Sun Apr 04 2021 16:38:36 GMT-0400 (Eastern Daylight Time)
          M561 ; clear any bed transform
          ; Probe the bed at 3 peripheral and 3 halfway points, and perform 6-factor auto compensation
          ; Before running this, you should have set up your Z-probe trigger height to suit your build, in the G31 command in config.g.
          G30 P0 X0 Y84.9 H0 Z-99999
          G30 P1 X73.53 Y-42.45 H0 Z-99999
          G30 P2 X-73.53 Y-42.45 H0 Z-99999
          G30 P3 X0 Y42.4 H0 Z-99999
          G30 P4 X36.72 Y-21.2 H0 Z-99999
          G30 P5 X-36.72 Y-21.2 H0 Z-99999
          G30 P6 X0 Y0 H0 Z-99999 S6
          ; Use S-1 for measurements only, without calculations. Use S4 for endstop heights and Z-height only. Use S6 for full 6 factors
          ; If your Z probe has significantly different trigger heights depending on XY position, adjust the H parameters in the G30 commands accordingly. The value of each H parameter should be (trigger height at that XY position) - (trigger height at centre of bed)

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          • darkuncle33undefined
            darkuncle33 @Phaedrux
            last edited by

            @phaedrux ; homedelta.g
            ; called to home all towers on a delta printer
            ;
            ; generated by RepRapFirmware Configuration Tool v3.2.3 on Sun Apr 04 2021 16:38:36 GMT-0400 (Eastern Daylight Time)
            G91 ; relative positioning
            G1 H1 X305 Y305 Z305 F1800 ; move all towers to the high end stopping at the endstops (first pass)
            G1 H2 X-5 Y-5 Z-5 F1800 ; go down a few mm
            G1 H1 X10 Y10 Z10 F360 ; move all towers up once more (second pass)
            G1 Z-5 F6000 ; move down a few mm so that the nozzle can be centred
            G90 ; absolute positioning
            G1 X0 Y0 F6000 ; move X+Y to the centre
            G29 s1

            Start gcode
            G28
            G29 S1

            G1 Z15.0 F6000 ;Move the platform down 15mm
            ;Prime the extruder
            G92 E0
            G1 F200 E3
            G92 E0

            Phaedruxundefined 1 Reply Last reply Reply Quote 0
            • darkuncle33undefined
              darkuncle33 @Phaedrux
              last edited by

              @phaedrux
              I spent all day going through the guides and nothing changed.
              Every time I the bed map it look good. I can see where my bed is uneven a little.
              When I print the nozzle grinds into the bed and within 40 mm is printing in air then back to grinding the bed.

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              • Phaedruxundefined
                Phaedrux Moderator @darkuncle33
                last edited by

                @darkuncle33 said in Delta mesh leveling not working.:

                Start gcode
                G28
                G29 S1

                You should be doing a calibration between homing the towers and loading the heightmap. Add G32 between the G28 and G29.

                Z-Bot CoreXY Build | Thingiverse Profile

                darkuncle33undefined 2 Replies Last reply Reply Quote 0
                • darkuncle33undefined
                  darkuncle33 @Phaedrux
                  last edited by

                  @phaedrux
                  I don't see how I can do that. I have a removeable probe. I tried that and it just started printing with the probe attached.

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                  • darkuncle33undefined
                    darkuncle33 @Phaedrux
                    last edited by

                    @phaedrux
                    I put a pause "M25" on the start gcode after the g29, so I could take the probe off. That worked, It is printing now, Is that how it should be done? Is there something I am still doing wrong? With the factory firmware you only need to use the probe once or if you change something, not before every print. So taking it of mid print is not an issue.

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                    • Phaedruxundefined
                      Phaedrux Moderator
                      last edited by

                      Well when you home the towers you are assuming that the homed height is correct for the distance to the bed, but it might not be. Normally you'd do at least a single G30 at the center of the bed to re-establish an accurate position for the z0 point before loading the heightmap. But with a delta i's even more common to do a quick calibration run before each print just for best results. That is complicated by the removable probe in this case, but still probably the best way to go.

                      Z-Bot CoreXY Build | Thingiverse Profile

                      darkuncle33undefined 1 Reply Last reply Reply Quote 0
                      • darkuncle33undefined
                        darkuncle33 @Phaedrux
                        last edited by

                        @phaedrux
                        I am happy to take the probe off before every print because I am getting really nice first layers that way. Now I am going to see if there is a way to have a message on the paneldue that says "Attach probe" and "Remove probe" with two print pauses in the start gcode. That you make the hole thing look more polished.

                        Phaedruxundefined 1 Reply Last reply Reply Quote 0
                        • Phaedruxundefined
                          Phaedrux Moderator @darkuncle33
                          last edited by

                          @darkuncle33 said in Delta mesh leveling not working.:

                          Now I am going to see if there is a way to have a message on the paneldue that says "Attach probe" and "Remove probe" with two print pauses in the start gcode. That you make the hole thing look more polished.

                          Check out the M291 command. It can pause and display a prompt for ok/cancel.

                          Z-Bot CoreXY Build | Thingiverse Profile

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                          • sgtconker1rundefined
                            sgtconker1r @darkuncle33
                            last edited by

                            @darkuncle33

                            Your M665 H value is way to high for a Q5.
                            with a stock q5 it should be no more than 220.

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