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    Trianglelab Matrix Extruder somebody?

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    • arhiundefined
      arhi @DaBit
      last edited by arhi

      @DaBit said in Trianglelab Matrix Extruder somebody?:

      carbon-filled filaments from time to time, so if they are not hardened I probably want a set of spare drive gears.

      yup, they grind the teeth flat rather quickly if not hardened ... or tbh, they grind the brass teeth quickly, I never tried untreated steel teeth (both original and prc clone bondtech I have are with hardened teeth)

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      • DaBitundefined
        DaBit
        last edited by DaBit

        Well, those gears are produced from some sort of tool steel anyway since it machines so much better than low-carbon unalloyed steel.

        These shaft holders are made from 1.2510 tool steel (with aluminium the shafts would be loose in the holders at 150C, hence steel), hardness as delivered around HRC23. Bores and other features are nice and smooth after machining, even with a simple helical toolpath:

        alt text

        And this is simple hot-rolled steel, same machine, same endmill:

        alt text

        Difference in finish is well visible. Compare that to the picture of the drive gear, so they use at least something similar. Brass would be 1/2 the hardness.

        On the other hand I hope they did not make the teeth too hard. That would fracture them over time.

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        • Chrissundefined
          Chriss
          last edited by

          Hi *,

          Let me come back to the topic. 😉

          Does anybody have some infos about the shipped thermistor? (24V)

          I have the golden (brass) tube and a spring at the end of the cable. It looks like :
          https://de.aliexpress.com/item/33029709571.html?spm=a2g0x.12010612.8148356.14.2b3743aavUups2 but with a spring like https://de.aliexpress.com/item/4000907614466.html?spm=a2g0x.12010612.8148356.2.2b3743aavUups2

          I'm totally confused now.
          Does anybody have some settings which work fine? Is anybody willing to share them and ideally the "M307" for the hotend. I have them connected to a toolboard which can not auto tune the pid. 😞

          Cheers, Chriss

          Vetiundefined 1 Reply Last reply Reply Quote 0
          • Vetiundefined
            Veti @Chriss
            last edited by Veti

            @Chriss said in Trianglelab Matrix Extruder somebody?:

            Does anybody have some infos about the shipped thermistor? (24V)

            the thermistor is not 24v. only the heating element is.

            they write they ship the thermistor with a Thermistor Semitec 104NT-4-R025H42G.
            this is the same as the e3d one.

            if you connected them to 24v, you will have destroyed the thermistor.

            Chrissundefined 1 Reply Last reply Reply Quote 0
            • Chrissundefined
              Chriss @Veti
              last edited by

              @Veti

              Hahaha.... well the amount of destruction depends of the current than. 😉
              Enough fun for today, I mentioned the 24V because I'm not convinced that the guys from copyland send the same thermistor whether it is a 12 or 24 Volt kit. Thanks for the hint, I did not see that. the German translation drives me creazy. 😞

              A Former User? 1 Reply Last reply Reply Quote 0
              • A Former User?
                A Former User @Chriss
                last edited by

                @Chriss said in Trianglelab Matrix Extruder somebody?:

                Hahaha.... well the amount of destruction depends of the current than.

                if anything it would depend on time; as the thermistor has a negative temperature coefficient its resistance would decrease as it heats up, causing the temperature to increase. if left long enough both 12v and 24v directly connected to a ntc thermistor would cook it.

                Chrissundefined 1 Reply Last reply Reply Quote 0
                • Chrissundefined
                  Chriss @A Former User
                  last edited by

                  @bearer said in Trianglelab Matrix Extruder somebody?:

                  if left long enough both 12v and 24v directly connected to a ntc thermistor would cook it.

                  Not if your source will deliver 0.001mA only. 😉

                  A Former User? 1 Reply Last reply Reply Quote 0
                  • A Former User?
                    A Former User @Chriss
                    last edited by

                    i don't suspect you'll find many of those on a duet

                    Chrissundefined 1 Reply Last reply Reply Quote 0
                    • Chrissundefined
                      Chriss @A Former User
                      last edited by

                      @bearer Well, at least @PCR has one. 😉

                      PCRundefined 1 Reply Last reply Reply Quote 0
                      • PCRundefined
                        PCR @Chriss
                        last edited by

                        @Chriss i am only using PT1000 ones ;D

                        Vetiundefined 1 Reply Last reply Reply Quote 0
                        • Vetiundefined
                          Veti @PCR
                          last edited by

                          @PCR said in Trianglelab Matrix Extruder somebody?:

                          i am only using PT1000 ones ;D

                          same here.

                          Chrissundefined 1 Reply Last reply Reply Quote 0
                          • Chrissundefined
                            Chriss @Veti
                            last edited by

                            @Veti @PCR

                            Nice... thanks.... I will walk though the valley of tears than...

                            So you guys on the other site than. 😉

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                            • A Former User?
                              A Former User
                              last edited by

                              P1000 (and PT100) have positive temperature coefficients so they're inherently safe in that regards.

                              1 Reply Last reply Reply Quote 0
                              • PCRundefined
                                PCR
                                last edited by

                                P_20210122_182408.jpg
                                P_20210122_182448.jpg
                                P_20210122_182507.jpg
                                P_20210122_182554.jpg
                                P_20210122_182611.jpg

                                First the Matrix then a hemera. But Not the "new" one.

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                                • Chrissundefined
                                  Chriss
                                  last edited by

                                  Hey guys....

                                  What do you guys use as steps at M92 for the matrix thingy? I use exactly 300 at the moment, they mention 336. :? I'm a bit lost now... My setting seemed to be OK in the past but I have a lot of problems since I changed the filament.

                                  Cheers, Chriss

                                  1 Reply Last reply Reply Quote 0
                                  • Schwendeundefined
                                    Schwende
                                    last edited by

                                    Hi there,

                                    if some of you are still interestet in watercooling the Hemera, I might have something for you: https://www.dold-mechatronik.de/mebs-Hemera-WaCo-Mod-PRE-SALE-special-price-Available-from-2932021

                                    Have a nice weekend.

                                    1 Reply Last reply Reply Quote -1
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