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M558 H Little monster Delta

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  • undefined
    RafB
    last edited by 10 Sept 2018, 21:09

    Hello,
    Somewhat tell me why M558 H does not change any settings. I miss 0.1mm to print.

    When I go from
    M558 H0.7
    at
    M558 H0.8
    There is no change

    0_1536612801012_config.g Config.g

    [0_1536613534018_onfig.g.bak](Uploading 100%) configgbak

    0_1536613607526_retractprobe.g retractprobe.g

    0_1536613654435_deployprobe.gdeployprobe.g

    0_1536612944383_bed.g bed.g

    0_1536612839170_Capture d’écran 2018-09-09 à 21.31.22.png

    1 Reply Last reply Reply Quote 0
    • undefined
      fcwilt
      last edited by 10 Sept 2018, 21:50

      Hi,

      Unless there has been a change I have not read about the H parameter sets the "dive" height.

      Assuming the probe starts above the dive height it moves quickly down to the dive height and then starts moving at the slower probing speed until the probe activates or it has moved twice the dive height.

      What is it you are trying to achieve?

      Frederick

      Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

      1 Reply Last reply Reply Quote 0
      • undefined
        Phaedrux Moderator
        last edited by 10 Sept 2018, 23:04

        Looking at your config I'm guessing you mean the Z trigger height value from G31 P25 X0 Y20 Z0.7 ?

        Z-Bot CoreXY Build | Thingiverse Profile

        undefined 1 Reply Last reply 10 Sept 2018, 23:32 Reply Quote 0
        • undefined
          crynool
          last edited by 10 Sept 2018, 23:19

          I wish I had such a heightmap ...

          M558 tells your printer from which height to start the probing.

          In the guides, calibrating a delta, there is a section how to measure the trigger height (G30 S-1 or something like that)

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          • undefined
            fcwilt @Phaedrux
            last edited by 10 Sept 2018, 23:32

            @phaedrux said in M558 H Little monster Delta:

            Looking at your config I'm guessing you mean the Z trigger height value from G31 P25 X0 Y20 Z0.7 ?

            Well that would explain what he meant to do.

            Good catch.

            Frederick

            Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

            1 Reply Last reply Reply Quote 0
            • undefined
              Redemptioner
              last edited by 11 Sept 2018, 04:01

              Your RMS is pretty good although your probe area looks rather strange

              undefined 1 Reply Last reply 11 Sept 2018, 04:41 Reply Quote 0
              • undefined
                Phaedrux Moderator @Redemptioner
                last edited by 11 Sept 2018, 04:41

                @redemptioner Just a guess, but I think it's a circular bed shape on a delta and one edge is cut off because it's inaccessible to the probe.

                Z-Bot CoreXY Build | Thingiverse Profile

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                • undefined
                  RafB
                  last edited by 11 Sept 2018, 11:20

                  thank you all for trying to understand my mistakes in writing and using a delta with duet.

                  Actually I speak of G31 H0.7 which does not crush my 1st layer.

                  G31 H0.8 = 1layer 0.3mm
                  G31 H0.7 = 1layer 0.3mm

                  Yes it's delta https://tevo3dprinterstore.com/products/2017-newest-tevo-delta-printing-area-d340xh500mm-openbuilds-extrusion-smoothieware-mks-tft28-bltouch-high-speed-3d-printer-kit?variant=49755163079

                  undefined 1 Reply Last reply 11 Sept 2018, 11:47 Reply Quote 0
                  • undefined
                    fcwilt @RafB
                    last edited by 11 Sept 2018, 11:47

                    @rafb said in M558 H Little monster Delta:

                    thank you all for trying to understand my mistakes in writing and using a delta with duet.

                    Actually I speak of G31 H0.7 which does not crush my 1st layer.

                    G31 H0.8 = 1layer 0.3mm
                    G31 H0.7 = 1layer 0.3mm

                    If you move down to Z=0 where is the tip of the nozzle in relation to the bed?

                    Frederick

                    Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

                    1 Reply Last reply Reply Quote 0
                    • undefined
                      dc42 administrators
                      last edited by 11 Sept 2018, 12:26

                      The G31 command in RRF has no H parameter.

                      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

                      undefined 1 Reply Last reply 11 Sept 2018, 17:39 Reply Quote 0
                      • undefined
                        Phaedrux Moderator @dc42
                        last edited by 11 Sept 2018, 17:39

                        @dc42 said in M558 H Little monster Delta:

                        The G31 command in RRF has no H parameter.

                        He's saying H, but in his config it is Z.

                        @RafB If 0.7 versus 0.8 is not enough of a difference, perhaps try using baby stepping to make adjustments until your first layer is good, and then take the baby stepping and add or subtract it to your G31 Z height value to make the change permanent.

                        Z-Bot CoreXY Build | Thingiverse Profile

                        undefined 1 Reply Last reply 11 Sept 2018, 17:46 Reply Quote 0
                        • undefined
                          fcwilt @Phaedrux
                          last edited by 11 Sept 2018, 17:46

                          @phaedrux said in M558 H Little monster Delta:

                          @RafB If 0.7 versus 0.8 is not enough of a difference, perhaps try using baby stepping to make adjustments until your first layer is good, and then take the baby stepping and add or subtract it to your G31 Z height value to make the change permanent.

                          What does that value have to do with setting Z=0 to be just touching the bed?

                          I always obtain that condition by adjusting the H parameter in M665 for my deltas.

                          Frederick

                          Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

                          undefined 1 Reply Last reply 11 Sept 2018, 17:48 Reply Quote 0
                          • undefined
                            Phaedrux Moderator @fcwilt
                            last edited by 11 Sept 2018, 17:48

                            @fcwilt well it's not really clear if he's talking about M558 H or G31 Z. I'm assuming he means the trigger height of his probe affecting his first layer. But I could be wrong.

                            Z-Bot CoreXY Build | Thingiverse Profile

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                            • undefined
                              RafB
                              last edited by RafB 9 Nov 2018, 18:28 11 Sept 2018, 18:15

                              Another mistake on my part. I can not remember this code!

                              So actually it's not M558 but G31

                              I am french and the translation by google of the clibration of a delta printer is not clear. I know I would have to work at school to better understand English.

                              So when I change G31 Z + or- my print still has the 1st layer at 0.3mm

                              undefined undefined 2 Replies Last reply 11 Sept 2018, 18:26 Reply Quote 0
                              • undefined
                                fcwilt @RafB
                                last edited by 11 Sept 2018, 18:26

                                @rafb said in M558 H Little monster Delta:

                                Another mistake on my part. I can not remember this code!

                                So actually it's not M556 but G31

                                I am french and the translation by google of the clibration of a delta printer is not clear. I know I would have to work at school to better understand English.

                                So when I change G31 Z + or- my print still has the 1st layer at 0.3mm

                                Well I may be doing it wrong but I have always adjusted the distance from nozzle to bed at Z=0 by setting the H parameter in M665 (for delta printers course).

                                The only thing I have been able to determine about the Z setting in G31 is that it affects the generation of the heightmap.csv file.

                                I find the documentation about G31 to be a little confusing in some areas.

                                Frederick

                                Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

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                                • undefined
                                  Phaedrux Moderator @RafB
                                  last edited by Phaedrux 9 Nov 2018, 20:46 11 Sept 2018, 20:46

                                  @rafb said in M558 H Little monster Delta:

                                  So when I change G31 Z + or- my print still has the 1st layer at 0.3mm

                                  Do you mean the display still shows 0.3? or you think it's still printing too high?
                                  Can you make further adjustment with baby stepping?

                                  Have you measured what the trigger height should be?

                                  https://duet3d.dozuki.com/Wiki/Test_and_calibrate_the_Z_probe

                                  https://duet3d.dozuki.com/Wiki/Calibrating_a_delta_printer

                                  Z-Bot CoreXY Build | Thingiverse Profile

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                                  • undefined
                                    RafB
                                    last edited by RafB 9 Nov 2018, 22:06 11 Sept 2018, 22:02

                                    Hello,

                                    Yes I followed all the procedures but rather this tutorial
                                    https://www.youtube.com/watch?v=BgkJVgFnPaE

                                    I hope that it is not the bltouch V2 which poses problem?

                                    I just redo the procedure and I find 0.7mm

                                    Well I will try to mount 100micron per 100micron to know if G31 Z works.

                                    And reread
                                    https://betrue3d.dk/bltouch-on-duet-wifi...

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                                    • undefined
                                      Phaedrux Moderator
                                      last edited by 11 Sept 2018, 22:43

                                      The result of your heightmap looks very good. What is the problem you are actually having? Is your first layer printing ok?

                                      Z-Bot CoreXY Build | Thingiverse Profile

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                                      • undefined
                                        RafB
                                        last edited by 12 Sept 2018, 20:52

                                        Hello,

                                        Yes it's my first layer that is 0.3mm. I am looking to go down to 0.2mm but G31 Z seems to change nothing.

                                        undefined 1 Reply Last reply 12 Sept 2018, 20:54 Reply Quote 0
                                        • undefined
                                          fcwilt @RafB
                                          last edited by 12 Sept 2018, 20:54

                                          @rafb said in M558 H Little monster Delta:

                                          Hello,

                                          Yes it's my first layer that is 0.3mm. I am looking to go down to 0.2mm but G31 Z seems to change nothing.

                                          Once again if you do G1 Z0 where does the tip of the nozzle end up in relation to the bed surface?

                                          Thanks.

                                          Frederick

                                          Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

                                          1 Reply Last reply Reply Quote 0
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