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    Knaudler

    @Knaudler

    technician,electronics, maker, Biker

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    Location Hamburg - DE Age 53

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    Best posts made by Knaudler

    • CR-10 with DuetWifi - updated with Bondtech exruder (3djake)

      Hello

      update:
      no (original Case)

      last night my CR-10 gets upgrade to DuetWifi

      first the Duet needs FW upgrade…via SD an PC...
      (comes with old FW)
      then I'm creating the config via reprap online config
      https://configurator.reprapfirmware.org/

      for Molex Connectors you need a Tool for Crimping
      looking amazon (DE): IZOKEE Crimpzange
      works good for this cheap tool

      the Duet fits into the original case of CR-10
      without Display - mounting duet board with ca. 3cm distance from case, for air flow
      using the 2 Case original case fans parallel
      (using PWM Fan Port 3 - needs other PWM Frequency ~ 30Hz on 40% - so duet remains below 30 degrees)

      for Bed using original Mosfet from CR-10

      raise up Voltage on Powersource to 14.4V - works
      (more Power 🙂 )

      first Test:
      I'm using demo config files for prusa from sd,
      then overwritten with data from config tool (zip)

      I need to switch direktion for x, y Motor
      Endstops working

      in Bed conf there was a failure with Z define 2mm to low - correctet to 0
      (I'm still work without autolevelling on CR1-10)

      using 16 microstepps with interpolation for x,y,z
      using 32 microstepps with interpolation for E

      Test…with 100mm/sec - silence !
      really silence - great

      now i can hear the bad chinese ball bearings !
      there is one bad bearing on Y

      the fans are the only loud sound
      very smooth printing

      and testet...150% works...200% works
      I let the printer print at 300mm/sec ! - with PLA
      (needs 230 degrees and 150% extrusion - not nice, but works with original Hotend)
      but up to 200mm/sec would be ok for Vase Mode

      my CR-10 mods:

      • Bed isolation - silcawool (stoutwind) 300x300
        (sealed with a lot of Kapton)
      • more Voltage - 14.4V
      • Fan Mod thingiverse : www.thingiverse.com/thing:2274499
        (bridging without any problems)
      • Case fans, Hotend fan and Parts cooling fan on PWM Ports
        (Hotend Fan working over 45 degrees)
      • BuildTak direct on ALU-heatbed (glass plate is too heavy for high speed)
      • extra Car Fuses for Board (10A) and Bed (30A)
      • CR-10 case and frame grounded

      files, config will be submitted later….

      Greetings from Hamburg

      Ingo

      update 25.7.18

      posted in My Duet controlled machine
      Knaudlerundefined
      Knaudler
    • RE: Bowden Wiring - Choice of cable?

      Igus:
      chainflex Steuerleitung CF9.02.07
      2,60 - Igus sells to privat customer and good service
      you can get a lot of test samples

      voelkner/conrad:
      UNITRONIC FD CY 7X0,25
      ca. 3,-/m
      Unitronic FD CP plus 7x0,25
      ca. 5,-

      posted in General Discussion
      Knaudlerundefined
      Knaudler
    • RE: Duet 3 Mainboard 6HC - initial production run.

      screws for Power ?
      something like this would be nice:
      https://www.wago.com/de/leiterplattenanschluss/klemmenleiste-fuer-leiterplatten/p/2716-102

      posted in General Discussion
      Knaudlerundefined
      Knaudler

    Latest posts made by Knaudler

    • RE: Duet 3 Mainboard 6HC - initial production run.

      screws for Power ?
      something like this would be nice:
      https://www.wago.com/de/leiterplattenanschluss/klemmenleiste-fuer-leiterplatten/p/2716-102

      posted in General Discussion
      Knaudlerundefined
      Knaudler
    • RE: Use an old cell phone camera to monitor your printer

      hi

      I'm using old smartphone and android app IP Webcam (from Pavel...)
      streaming in local network, from there with obs to switch or youtube

      posted in General Discussion
      Knaudlerundefined
      Knaudler
    • RE: Simple heater question SOLVED

      on e3d you get 30 and 40w heaters for 12/24v - ca. 5,-

      posted in Duet Hardware and wiring
      Knaudlerundefined
      Knaudler
    • RE: PS_ON safety question

      Hello

      maybe it would be good to use a thermal fuse
      280 grad / 10A
      directly on the hotend, this will cut the power to the heater
      (you have to crimp the cable)

      and same on heatbed 4x thermo fuse (4x10A parallel) with 140 grad
      so it will cut off power without elektronics

      like this :
      https://www.ebay.de/itm/15A-10A-250V-Thermosicherung-Temperatursicherung-Sicherung-66-bis-280-C-zur-Wahl-/122353697732

      posted in Tuning and tweaking
      Knaudlerundefined
      Knaudler
    • RE: Disandavantages from 12V

      I'm running my CR-10 with Duet Wifi - with 15V
      works good - fast heating
      12v Fans working - using 80-90% pwm

      posted in General Discussion
      Knaudlerundefined
      Knaudler
    • RE: RC Low-Pass Filter for Blower Fan

      @dc42
      Hi, can the pwm output be damaged by a capacitor ?
      for my blower fans I also had to try around a little with the PWM frequencies
      with 30Hz it works good for me

      posted in Duet Hardware and wiring
      Knaudlerundefined
      Knaudler
    • RE: RC Low-Pass Filter for Blower Fan

      Hi

      I'm using 30Hz with 2 Blowers
      M106 P0 S0 I0 F30 H-1 ; Bauteilkühlung mit 2 Blowers parallel, daher 30Hz PWM
      works good

      I already had your idea, you just have to know if it doesn't hurt the board ?

      posted in Duet Hardware and wiring
      Knaudlerundefined
      Knaudler
    • RE: CR-10 with DuetWifi - updated with Bondtech exruder (3djake)

      I know (no interpolating) on more then 16
      but 64 works good
      60mm/sec extrusion works
      have a little overextrusion (needs new calibration)
      using 1.8 Motor - normal nema 17 from cr-10 - with 15V
      I think pancake and 0.9 there is less torque

      posted in My Duet controlled machine
      Knaudlerundefined
      Knaudler
    • RE: CR-10 with DuetWifi - updated with Bondtech exruder (3djake)

      original Case is in trash

      using this:
      https://www.thingiverse.com/make:513929
      with noctua fan (the very silent adapter) outside

      it fits under the CR-10
      the good Powersource is under the Table
      with SSR and Fuses

      posted in My Duet controlled machine
      Knaudlerundefined
      Knaudler
    • RE: CR-10 with DuetWifi - updated with Bondtech exruder (3djake)

      here the End of my homeall and homez
      (maybe an macro with variable ? would be better)

      ; Tell the firmware where we are
      ;G92 Z1.25 ; BuildTak auf Edelstahl/Magnet
      G92 Z1.55 ; Bluetape auf Edelstahl/Magnet

      so on bed change I change the position of ;

      posted in My Duet controlled machine
      Knaudlerundefined
      Knaudler