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    [not yet solved] Tevo Little Monster DuetWifi errors

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    My Duet controlled machine
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    • dc42undefined
      dc42 administrators
      last edited by

      My guess is that you have a Z probe that is offset from the nozzle and you have a geometrical error that causes the effector tilt to vary with XY position. This causes the apparent trigger height of the Z probe to vary with XY position. It's possible to correct for this using H parameters on the G30 commands in bed.g, but tedious.

      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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      • RafBundefined
        RafB
        last edited by

        I will try to control all these points but it is not obvious to be precise. By the way, what is the order of magnitude XX.XXXmm?
        0_1549987197649_Capture d’écran 2019-02-12 à 16.55.57.png

        When I do my calibrated to find the value G31 ZX and that I launch my impression I always 0.20mm too high. So I change the value of G31 Z0.687 + 0.20 to have a 1st layer that hangs and rotates between 0.25 and 0.35mm.

        I controlled the distances between the top of the printer and a point of the carts that had different values. I now have about 4cm everywhere I will try to do this with the caliper.

        0_1549988240122_IMG_0730.jpg
        But it did not really change the quality of my first layer (Nozzle 0.8mm)
        0_1549988404178_IMG_3005.jpg

        L'imprimante
        0_1549988575449_IMG_3451.jpg

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        • RafBundefined
          RafB
          last edited by

          dc42
          what should be changed as parts to solve this problem of geometry?

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          • boldnutsundefined
            boldnuts
            last edited by

            Try this guide and join this TLM group, https://www.facebook.com/groups/TEVO.Monster.Delta.Owners/

            0_1550049851528_TLM Ultimate Calibration Tutorial (1).pdf

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            • RafBundefined
              RafB
              last edited by

              I thank you, I will study with precision.

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              • RafBundefined
                RafB
                last edited by

                0_1550249541696_file-4.jpeg

                Hello,
                I just control the angle of the towers and I do not have the same exactly the same value. This can be my geometry problem?
                I will now control the length of my Delta Diagonal Rod

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                • dc42undefined
                  dc42 administrators
                  last edited by

                  Auto calibration will sort out the tower angles for you.

                  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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                  • RafBundefined
                    RafB
                    last edited by

                    I think it would be complementary to bring illustrations and or videos to the Duet manual on the essential control points of a perfect machine calibration. Especially for the illiterate technicians like me.

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                    • RafBundefined
                      RafB
                      last edited by

                      I still do not understand the procedure of calibrating a delta with Duet but I will not give up. how to disable auto calibration? I think I can have a 1st more homogeneous without the self calibration. I checked everything manually and my tray with borosilicate glass is really flat.

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                      • RafBundefined
                        RafB
                        last edited by

                        My geometry problem may come from this problem (see video)
                        When I make a home and I go back 5mm to put out the leds of the endstops I always have an endstop that stays on.
                        I change endstop, screwed to racemess and unscrewed to lengthen the head of the screw, set the ten micro to have exactly the same distance between the three cart and the problem is the same, the led remains lit while the trolley is perfectly in front of the optical fork. When I push the cart slightly, the led goes out.

                        Can you help me understand this problem?

                        https://www.icloud.com/iclouddrive/0od7VaaViYMMcV5_HiBiwm8dA#IMG_5224

                        0_1550443636198_IMG_3346.jpg

                        0_1550443662405_IMG_9301.jpg

                        Stephen6309undefined 1 Reply Last reply Reply Quote 0
                        • synergy41undefined
                          synergy41
                          last edited by

                          Hello,
                          I have exactly the same problem as you.
                          I have an identical printer is impossible to turn off the limit switches,

                          I LOVE MY DUET WIFI

                          Board: Duet 2 WiFi (2WiFi)
                          Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 3.4.1 (2022-06-01)
                          Duet WiFi Server Version: 1.26
                          Duet Web Control 3.4.1

                          Cura 4.10

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                          • RafBundefined
                            RafB
                            last edited by

                            Tu es Français non?
                            Tu as une couche de hauteur homogène avec ta TLM?

                            you have a 1st layer of uniform height with your TLM?

                            synergy41undefined 1 Reply Last reply Reply Quote 0
                            • Stephen6309undefined
                              Stephen6309 @RafB
                              last edited by

                              @rafb Paint the flags with something that IR doesn't go through. Many plastics are transparent to IR.

                              RafBundefined 1 Reply Last reply Reply Quote 0
                              • synergy41undefined
                                synergy41 @RafB
                                last edited by

                                @rafb
                                Oui je suis bien Français...
                                Pour la 1er couche c'est pas trop mal à condition que je n'imprime pas quelque chose qui est une trop grande surface

                                I LOVE MY DUET WIFI

                                Board: Duet 2 WiFi (2WiFi)
                                Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 3.4.1 (2022-06-01)
                                Duet WiFi Server Version: 1.26
                                Duet Web Control 3.4.1

                                Cura 4.10

                                RafBundefined 1 Reply Last reply Reply Quote 0
                                • RafBundefined
                                  RafB @Stephen6309
                                  last edited by

                                  @stephen6309 Hi, thank you for your proposal but it is a screw without black head

                                  Dougal1957undefined 2 Replies Last reply Reply Quote 0
                                  • Dougal1957undefined
                                    Dougal1957 @RafB
                                    last edited by

                                    This post is deleted!
                                    1 Reply Last reply Reply Quote 0
                                    • Dougal1957undefined
                                      Dougal1957 @RafB
                                      last edited by

                                      @rafb sounds like you need to make it wider so that it definitely blocks the IR on the Endstops sitches

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                                      • RafBundefined
                                        RafB @synergy41
                                        last edited by

                                        @synergy41 Ça m’a fait tilt quand tu as mis le lien les imprimantes 3D.
                                        Je pense pas que le problème vienne Du réglage de la mécanique. J’ai tout réglé au pied à coulisse. Je vais l’installer micromètre À la place du hotend Et vérifier la planéité du plateau. Si tout est parfaitement plat, je ferai une vidéo et demanderai de l’aide à dc 42 pour comprendre d’où vient le problème. Qu’en penses-tu as-tu d’autres propositions?

                                        synergy41undefined 1 Reply Last reply Reply Quote 0
                                        • synergy41undefined
                                          synergy41 @RafB
                                          last edited by

                                          @rafb I think at home my tray is not really Top Top.
                                          I have to find a glass to try to see if I can print a larger area.
                                          What annoys me the most is the problem of limit stop.

                                          I LOVE MY DUET WIFI

                                          Board: Duet 2 WiFi (2WiFi)
                                          Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 3.4.1 (2022-06-01)
                                          Duet WiFi Server Version: 1.26
                                          Duet Web Control 3.4.1

                                          Cura 4.10

                                          1 Reply Last reply Reply Quote 0
                                          • RafBundefined
                                            RafB
                                            last edited by

                                            yes the problem of endstop optical is a known problem with the duet. This is probably what leads to the problem of geometry and therefore the impossibility of having a suitable first layer. I have a borosilicate glass and I use a Thickness Gage to adjust the space between my nozzle and the boro glass bed. My bed is on 3 spring.
                                            I really have a hard time understanding? Having a 350mm bed to print pieces of max 100mm drives me crazy !!

                                            dc42undefined 1 Reply Last reply Reply Quote 0
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