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    Cura Speed settings don`t change Print Speed

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    • Tobi_innitundefined
      Tobi_innit
      last edited by Tobi_innit

      Hi, im currently trying to get a fast Benchy Print, using ABS. I dialed in the Parameters to get a good Quality and it takes me 23min to Print the Benchy. To lower the time I tried adjusting the Speed, Acceleration and Jerk (correlating to Acceleration) in Cura. Changing these Parameters didnt change anything. I tried to raise the max Extruder Speed and turned off Mesh Bed compensation already, still at 23min. I noticed that the "Requested Speed" is always the same as the "Max Speed" on the UI. Even when I set the Speed on Cura to 150mm/s the max Speed on the UI is 100mm/s peak. My Extruder has a max flow rate of 87mm/s. Does its E value in M203 limit the speed or does something else?
      Thanks in advance

      Config:
      ; Configuration file for Duet 3 MB 6HC (firmware version 3.3)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool v3.3.16 on Fri Dec 01 2023 10:48:58 GMT+0100 (Mitteleuropäische Normalzeit)

      ; General preferences
      G90 ; send absolute coordinates...
      M83 ; ...but relative extruder moves
      M550 P"Duet 3" ; set printer name
      M669 K1 ; select CoreXY mode

      ; Drives
      M569 P1.1 S1 ; physical drive 1.1 goes forwards X1
      M569 P0.5 S1 ; physical drive 1.1 goes forwards X2 Haesler
      M569 P0.0 S1 ; physical drive 0.0 goes forwards Y1
      M569 P1.2 S1 ; physical drive 0.0 goes forwards Y2 Haesler
      M569 P0.1 S0 ; physical drive 0.1 goes forwards Z1
      M569 P0.4 S1 ; physical drive 0.1 goes forwards Z2 Haesler
      M569 P0.3 S1 ; physical drive 0.1 goes forwards Z3 Haesler
      M569 P0.2 S0 ; physical drive 0.1 goes forwards Z4 Haesler

      M569 P1.0 S0 ; physical drive 1.0 goes forwards
      M584 X1.1:0.5 Y0.0:1.2 Z0.1:0.4:0.3:0.2 E1.0 ; set drive mapping XY-Core AWD Z4-Drivers Haesler
      M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
      M92 X80.00 Y80.00 Z1600.00 E707.35 ; set steps per mm
      M425 Z0.04 S10 ; Z Umkehrspiel ausgleichen (Hepp)
      M566 X900.00 Y900.00 Z60.00 E120.00 ; set maximum instantaneous speed changes (mm/min)
      M203 X6000.00 Y6000.00 Z180.00 E2000.00 ; set maximum speeds (mm/min)
      M201 X100000.00 Y100000.00 Z100000.00 E250.00 ; set accelerations (mm/s^2)
      M906 X2125 Y2125 Z2125 E400 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 X210 Y220 Z178 S0 ; set axis maxima

      ; Endstops
      M574 X1 S1 P"!io5.in" ; configure switch-type (e.g. microswitch) endstop for low end on X via pin io5.in
      M574 Y2 S1 P"!io4.in" ; configure switch-type (e.g. microswitch) endstop for high end on Y via pin io4.in
      M574 Z2 S1 P"!io0.in+!io1.in+!io3.in+!io2.in" ; configure switch-type (e.g. microswitch) endstop for high end on Z via pin io0.in (Haesler 4 Endschalter)

      ; Z-Probe
      M950 S0 C"1.io1.out" ; create servo pin 0 for BLTouch
      M558 P9 C"1.io1.in" H5 F150 T6000 ; set Z probe type to bltouch and the dive height + speeds
      G31 P25 X0 Y0 Z3.74 ; set Z probe trigger value, offset and trigger height
      M557 X0:210 Y0:210 S20 ; define mesh grid

      ; Heaters
      M308 S0 P"1.temp0" Y"thermistor" T100000 B3950 ; configure sensor 0 as thermistor on pin 1.temp0
      M950 H0 C"out0" T0 ; create bed heater output on out0 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"temp0" Y"pt1000" ; configure sensor 1 as PT1000 on pin temp0
      M950 H1 C"out1" T1 ; create nozzle heater output on out1 and map it to sensor 1
      M307 H0 R0.492 K0.305:0.000 D3.77 E1.35 S1.00 B0 ; disable bang-bang mode for heater and set PWM limit
      M143 H1 S350 ; set temperature limit for heater 1 to 350C

      ; Fans
      M950 F0 C"out7" ; create fan 0 on pin out7 and set its frequency
      M106 P0 C"Gebläse" S0.3 H-1 ; set fan 0 name and value. Thermostatic control is turned off
      M950 F1 C"1.out8" Q250 ; create fan 1 on pin out8 and set its frequency
      M106 P1 C"Heatbreak" S1 H1 T35 ; set fan 1 name and value. Thermostatic control is turned on
      M950 F2 C"out4" Q500 ; create fan 2 on pin out9 and set its frequency
      M106 P2 C"MAIN oben" S1 H-1 ; set fan 2 name and value. Thermostatic control is turned off
      M950 F3 C"out5" Q500 ; create fan 3 on pin out6 and set its frequency
      M106 P3 C"MAIN unten" S1 H-1 ; set fan 3 name and value. Thermostatic control is turned off
      M950 F4 C"1.out7" Q500 ; create fan 4 on pin out5 and set its frequency
      M106 P4 C"EXP oben" S1 H-1 ; set fan 4 name and value. Thermostatic control is turned off
      M950 F5 C"1.out6" Q500 ; create fan 5 on pin out4 and set its frequency
      M106 P5 C"EXP unten" S1 H-1 ; set fan 5 name and value. Thermostatic control is turned off

      ; Tools
      M563 P0 S"Phaetus Dragon UHF" D0 H1 F1 ; define tool 1
      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
      M501 ; load saved parameters from non-volatile memory
      M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss

      jay_s_ukundefined 1 Reply Last reply Reply Quote 0
      • jay_s_ukundefined
        jay_s_uk @Tobi_innit
        last edited by

        @Tobi_innit your max speeds in M203 are 100mm/s so you won't print any faster than that

        Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

        1 Reply Last reply Reply Quote 0
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