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    Best posts made by rexx

    • RE: Another Stratasys uPrint retrofit

      768 sst liquifier available should anyone need it Model and support
      msquared does them too but$$$$$
      if you want to print many diffrent filament dont use this

      why

      1 they can't be cleaned (carbon from different materials inside induces carbon buildup more)
      2. they are standard not metric
      3. they wear out and are not a consumable
      4.the oem extruders may not work with duet that i know and the extruder gears are likely to have excessive lash between the gears any how unless you know a julery guy that can replace them ...or a machinist willing to but is not advised without previous experiences doing so they are small and would need super precise way to produce the gears
      5. the bend (90 deg) at the top of the liquifier tube is a flaw in my opinion as it is in the melt zone not before and naturally back purges a small blob around the liquifiers entrance causing even more resistance (not one of ssys better liquifiers for sure 768)

      the best SSYS liquifiers are in my opinion in the titans, fortus MC and few others

      straight no 90 deg bends 100watt 90-120dvc aside powered oem
      the old 200watt ones on the sst and bst are way over kill for that tiny aluminum block with stainless like thin tubes but then again maybe not 120vdc i cannot remember..
      (disregard if the 1200 are diff.. oh they are different chit my bad i remember now you have spring actuator from model to support side where the bst and sst have the same set height)

      my question is does it feed from the top or the back hose like mine (never got to work on a 1200 only mc up)

      loving all the SSYS conversions I am not alone thanks for sharing everyone

      posted in My Duet controlled machine
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      rexx
    • RE: 48 volt steppers board selection

      @jay_s_uk

      Jay you have been a great help again cheers and thank you

      posted in Using Duet Controllers
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      rexx
    • RE: Help me identify what would be the cause of these artefacts

      it also looks like you dont have any/much cooling on it or elephants foot compensation but try another slicer if you have active cooling working
      what is the material?

      posted in Tuning and tweaking
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      rexx
    • RE: E steps measuring

      @fcwilt
      Thank you !
      Cheers from the greenback guy,

      posted in Using Duet Controllers
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      rexx
    • RE: Help me identify what would be the cause of these artefacts

      what slicer did you use... try another i had issues with cura and flow infills and over all flow rates which made the z seam or start stop bad like this
      super slicer reprint for me was all it was
      as for cura infill flow i used was 89% and the total flow rate to 98% fixed this on ASA prints and others

      usually if the Z seems are bulging flow or retractions are out but speeds do play apart here too!

      posted in Tuning and tweaking
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      rexx
    • RE: chamber heater alarms out expecting 1.8C/sec

      @oozebot 👍 👍

      lucky i can run the chamber with the doors open as the chamber was designed to run FLA full load amps continuiously if needed its only alarms that are an issue as long as the chamber fans are on i am good to draw endlessly if needed but wont be needed if you get me

      posted in Using Duet Controllers
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      rexx
    • RE: chamber heater alarms out expecting 1.8C/sec

      @oozebot of course it would be to easy to set and forget a simple heater why not use a time out call for heat only 2 min it should see a increase in temp 5 min should continue to see increases and 15 min the target must have been reached once to stay on
      add a temprature deviaton of 15% for opening the door

      its rocket science apparently but i thank you for your time today and efforts and shares in relation

      as for the probe on your head i cannot do this as i have a peltier cooling plate on the heat break to disable heat creeps but was not on during this testing

      posted in Using Duet Controllers
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      rexx
    • RE: chamber heater alarms out expecting 1.8C/sec

      @oozebot
      M141 H0 this is all 141 under chamber config.g

      posted in Using Duet Controllers
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      rexx
    • RE: chamber heater alarms out expecting 1.8C/sec

      @oozebot
      this is likley what i need as the chamber has thermal snaps eveywhere OEM so is partially safe from over temps the thing is it would be nice to catch a latched SSR on over time out this is all i wanted the duet to do

      heater timed out......5,10,15 min to easy i guess... i will try to learn about this DAEMON.G thanks again!

      super cheers for the help here🥃

      posted in Using Duet Controllers
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      rexx
    • RE: Heating Chamber for a 3d printer!

      ok much playing with but i got it Q ended up to be Q1.25 and the switching is just like the oem original now and only +/-.5c spread the R was set to R0.030 which auto tune suggested R0.027 was close but the D was suggested to D159 by auto tune and D28 worked best for me

      thank you to all whom guided me here the D,R and Q was the issues i was having and is a ok now!

      posted in Using Duet Controllers
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      rexx