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Dc42 ir probe on the way

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Tuning and tweaking
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  • undefined
    Torro @aidar
    last edited by 17 Jan 2019, 14:02

    @aidar said in Dc42 ir probe on the way:

    You better send probe to X120 Y110 by G1, so
    G1 X120 Y110
    G30

    done & works! thanks

    i took the G29 S1 out of the start script. before starting the print, i activated the mesh per DWC "compensation&calibration". so it says "compensation in use:mesh"

    i printed a cube with 180x180mm and observed the z motors. they stand still.

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    • undefined
      Torro
      last edited by 17 Jan 2019, 16:59

      tried this start script:

      M106 P0 S0 ; Stop Part Cooling Fan
      G28 ; home all axes
      G29
      G91 ; relative mode
      G1 E52 F400 ; Fill Nozzle
      G90 ; absolute Mode

      same problem, the first layer looks like on the picture above.
      DWC says "mesh in use"

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      • undefined
        aidar
        last edited by 17 Jan 2019, 17:58

        Well, seems we have to start from basic: what version of firmware you use?

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        • undefined
          Torro
          last edited by 17 Jan 2019, 18:00

          Duet Web Control 2.0.0-RC3

          Electronics: Duet WiFi 1.02 or later
          Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 2.02(RTOS) (2018-12-24b1)
          Duet WiFi Server Version: 1.22

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          • undefined
            Phaedrux Moderator
            last edited by 17 Jan 2019, 18:04

            What does a print look like with mesh disabled?

            Z-Bot CoreXY Build | Thingiverse Profile

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            • undefined
              Torro
              last edited by 17 Jan 2019, 18:05

              5 minutes please

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              • undefined
                Torro
                last edited by 17 Jan 2019, 18:08

                it´s the same. left side (Ymin) so close, that there is no layer, right side (Ymax) so far away, that the layer doesn´t stick to the bed

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                • undefined
                  Phaedrux Moderator
                  last edited by 17 Jan 2019, 18:17

                  @torro said in Dc42 ir probe on the way:

                  M201 X1000.00 Y1000.00 Z1000.00 E10000.00 ; Set accelerations (mm/s^2)

                  Try reducing the Z acceleration from 1000 to 100. I wonder if it's trying to compensate but trying to move too quickly and not moving at all due to binding.

                  Does the Z axis move properly otherwise?

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • undefined
                    Torro
                    last edited by 17 Jan 2019, 18:21

                    Z axis works fine.
                    tested with acceleration 100, same behavior

                    undefined 1 Reply Last reply 17 Jan 2019, 18:26 Reply Quote 0
                    • undefined
                      aidar
                      last edited by 17 Jan 2019, 18:25

                      Have you tryied manual bed leveling?
                      https://duet3d.dozuki.com/Wiki/Using_the_manual_bed_levelling_assistant

                      undefined 1 Reply Last reply 17 Jan 2019, 18:32 Reply Quote 0
                      • undefined
                        Phaedrux Moderator @Torro
                        last edited by 17 Jan 2019, 18:26

                        @torro One other variable we can control for is that you're using DWC 2. Just incase it's causing an issue, try reverting to the last main release 1.22.6.

                        I'm doubtful it's the problem since running M122 shows mesh is active.

                        If that doesn't work I think I would re-run the G29 fresh and print immediately afterwards to see if there was maybe just a problem with the old heightmap.

                        Z-Bot CoreXY Build | Thingiverse Profile

                        undefined 2 Replies Last reply 17 Jan 2019, 18:28 Reply Quote 0
                        • undefined
                          Torro @Phaedrux
                          last edited by 17 Jan 2019, 18:28

                          @phaedrux said in Dc42 ir probe on the way:

                          If that doesn't work I think I would re-run the G29 fresh and print immediately afterwards to see if there was maybe just a problem with the old heightmap.

                          that´s already tested.

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                          • undefined
                            Torro
                            last edited by 17 Jan 2019, 18:31

                            Web Interface Version: 1.22.6

                            same problem ☹

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                            • undefined
                              Torro @Phaedrux
                              last edited by 17 Jan 2019, 18:31

                              @phaedrux said in Dc42 ir probe on the way:

                              If that doesn't work I think I would re-run the G29 fresh and print immediately afterwards to see if there was maybe just a problem with the old heightmap.

                              i had the G29 in the start script from the slicer after homing

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                              • undefined
                                Torro @aidar
                                last edited by 17 Jan 2019, 18:32

                                @aidar said in Dc42 ir probe on the way:

                                Have you tryied manual bed leveling?

                                not yet, i´ll try

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                                • undefined
                                  Torro
                                  last edited by 17 Jan 2019, 18:42

                                  Manual corrections required: 0.00 turn up (0.00mm) 0.41 turn down (0.21mm) 0.10 turn up (-0.05mm) 0.61 turn down (0.31mm)

                                  seems to work

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                                  • undefined
                                    Torro
                                    last edited by 17 Jan 2019, 18:55

                                    19:54:37
                                    G32
                                    Manual corrections required: 0.00 turn up (0.00mm) 0.01 turn up (-0.01mm) 0.22 turn up (-0.11mm) 0.53 turn down (0.27mm)

                                    19:53:32
                                    G32
                                    Manual corrections required: 0.00 turn up (0.00mm) 0.12 turn down (0.06mm) 0.07 turn up (-0.03mm) 0.38 turn down (0.19mm)

                                    can´t get it better

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                                    • undefined
                                      Torro
                                      last edited by 18 Jan 2019, 08:26

                                      next round

                                      Did another G29, added G29 S1 in config.g
                                      in DWC, mesh compensation in use.

                                      at Xmax Z0, paper is loose. babystepping offset -0.1 paper is gripped
                                      at Xmin Z0, paper is gripped, Z+0.15 papier is loose.
                                      in the middle of the bed, where G30 in homeall.g is done, the distance from the nozzle to the bed is fine.

                                      no compensation. should it compensate already at this time?

                                      just to test, i added X0 Y0 Z1 to the M558 command

                                      M558 P1 X0 Y0 Z1 H5 F120 T6000 A3

                                      still no compensation.

                                      did a macro with

                                      G30 S-1
                                      G1 Z10
                                      G30 S-1
                                      ...... repeated 10 times

                                      to check, if the probe is ok. i´m getting results between 0.356 and 0.363mm @Xmax and 0.325 and 0.331mm @ Xmin

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                                      • undefined
                                        Torro
                                        last edited by 18 Jan 2019, 08:58

                                        this is from M122

                                        Bed compensation in use: mesh
                                        Bed probe heights: 0.000 0.000 0.000 0.000 0.000

                                        What is meant by "bed probe heights"?

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                                        • undefined
                                          dc42 administrators
                                          last edited by dc42 18 Jan 2019, 09:38

                                          Ignore the bed probe heights, thay are the heights of the first 5 points that you probed using G30 commands (normally in bed.g).

                                          Do you have bed compensation taper enabled? Having it enabled and set too low can cause first layer problems.

                                          Duet WiFi hardware designer and firmware engineer
                                          Please do not ask me for Duet support via PM or email, use the forum
                                          http://www.escher3d.com, https://miscsolutions.wordpress.com

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