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    ๐๐ซ๐ž๐ฌ๐ฌ๐ฎ๐ซ๐ž Advance Problemes

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • CupaCabraundefined
      CupaCabra
      last edited by

      Hello, I have now the Pressure Advance Command inserted into the Config.
      The Bowden there I use are 800mm more or less.
      The Extruder are Bondtech Cloneโ€™s and Vulcano Hotendโ€™s.

      If itโ€™s for someone possible to check my Config.
      I have horrible stringing on Printing.

      ; Configuration file for Duet WiFi (firmware version 3)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool v2.1.5 on Thu Jan 09 2020 09:19:35 GMT+0100 (Mitteleuropรคische Normalzeit)

      ; General preferences
      G90 ; send absolute coordinates...
      M83 ; ...but relative extruder moves
      M550 P"My Printer" ; set printer name

      M667 S1 ; select CoreXY mode

      ; Network
      M551 P"123" ; set password
      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 exturder 0
      M569 P1 S1 ; physical drive 1 goes forwards extruder 1
      M569 P2 S0 ; physical drive 2 goes forwards
      M569 P3 S1 ; physical drive 3 goes forwards
      M569 P4 S1 ; physical drive 4 goes forwards
      M584 X0 Y1 Z2 E3:4 ; set drive mapping
      M350 X16 Y16 Z16 E16:16 I1 ; configure microstepping with interpolation
      M92 X80.00 Y80.00 Z4257.9 E435.00:435.00 ; set steps per mm (Z4257.90)

      M566 X1000.00 Y1000.00 Z150.00 E3200.00:3200.00 ; set maximum instantaneous speed changes (mm/min) E1200.00:1200.00
      M203 X6000.00 Y6000.00 Z400.00 E6500.00:6500.00 ; set maximum speeds (mm/min) standard z=400 e=2400
      M201 X1800.00 Y1800.00 Z500.00 E3000.00:3000.00 ; set accelerations (mm/s^2) standard=x2000.00 y2000.00
      M906 X1000 Y1000 Z1000 E1100:1100 I30 ; set motor currents (mA) and motor idle factor in per cent standart z=1000
      M84 S30 ; Set idle timeout

      ; Axis Limits
      M208 X0 Y0 Z0 S1 ; set axis minima
      M208 X350 Y350 Z450 S0 ; set axis maxima

      ; Endstops
      M574 X2 S1 P"!xstop"
      M574 Y2 S1 P"!ystop"
      M574 Z2 S2
      M574 S2 P"exp.4"

      ; Z-Probe
      M950 S0 C"exp.heater3" ; create servo pin 0 for BLTouch
      M558 P9 C"^zprobe.in" H5 F100 T2000 ; set Z probe type to bltouch and the dive height + speeds
      G31 P500 X-17.5 Y15 Z2.40 ; set Z probe trigger value, offset and trigger height
      M557 X30:350 Y30:350 S40 ; define mesh grid

      ; Heaters
      M308 S0 P"bedtemp" Y"thermistor" T100000 B3950 ; 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
      M143 H0 S120 ; set temperature limit for heater 0 to 120C
      M307 H0 B1 S1.00 ; enable bang-bang mode for the bed heater and set PWM limit
      M140 H0 ; map heated bed to heater 0
      M308 S1 P"e0temp" Y"thermistor" T100000 B4100 ; 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
      M143 H1 S350 ; set temperature limit for heater 1 to 280C
      M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit
      M308 S2 P"e1temp" Y"thermistor" T100000 B4100 ; configure sensor 2 as thermistor on pin e1temp
      M950 H2 C"e1heat" T2 ; create nozzle heater output on e1heat and map it to sensor 2
      M143 H2 S350 ; set temperature limit for heater 2 to 280C
      M307 H2 B0 S1.00

      ; 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 H2 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
      M563 P1 D1 H2 F0 ; define tool 1
      G10 P1 X0 Y0 Z0 ; set tool 1 axis offsets
      G10 P1 R0 S0 ; set initial tool 1 active and standby temperatures to 0C

      ; Custom settings are not defined

      ; Miscellaneous
      M501 ;Load saved parameters

      M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss

      ;Pressure Advance Extruder
      M572 D0:1 S0.75:0.75

      ;FilamentSenoren
      M591 D0 P2 C"e0_stop" S1
      M591 D0
      M591 D1 P2 C"e1_stop" S1
      M591 D1

      ; *** Panic Button
      M950 J1 C"exp.4"
      M581 P1 T4 C0
      M581 P"nil" T"exp.4"

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

        @CupaCabra said in ๐๐ซ๐ž๐ฌ๐ฌ๐ฎ๐ซ๐ž Advance Problemes:

        M203 X6000.00 Y6000.00

        You're max XY speeds are fairly low for travel moves. Only 100mm/s. If your hardware is capable, you could try increasing this to allow for faster travels which may help with stringing a bit.

        How much retraction are you using? What size nozzle?

        Volcano hotends are quite difficult to tune due to their excellent melt properties. Pressure advance can only do so much. You may be able to reduce your printing temperature quite a bit due to this large melt zone. This may help keep it from drooling so much.

        Z-Bot CoreXY Build | Thingiverse Profile

        CCS86undefined 1 Reply Last reply Reply Quote 0
        • CCS86undefined
          CCS86 @Phaedrux
          last edited by

          @Phaedrux said in ๐๐ซ๐ž๐ฌ๐ฌ๐ฎ๐ซ๐ž Advance Problemes:

          @CupaCabra said in ๐๐ซ๐ž๐ฌ๐ฌ๐ฎ๐ซ๐ž Advance Problemes:

          M203 X6000.00 Y6000.00

          You're max XY speeds are fairly low for travel moves. Only 100mm/s. If your hardware is capable, you could try increasing this to allow for faster travels which may help with stringing a bit.

          How much retraction are you using? What size nozzle?

          Volcano hotends are quite difficult to tune due to their excellent melt properties. Pressure advance can only do so much. You may be able to reduce your printing temperature quite a bit due to this large melt zone. This may help keep it from drooling so much.

          Agreed with those suggestions.

          Also, how did you determine an S value of 0.75? I have a pretty short bowden and find that S1 - S1.4 is more appropriate. It just gets harder to tune all the motion control settings to allow that much pressure advance.

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