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    Homing delta issue…maybe

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    • abeckerundefined
      abecker
      last edited by

      When I home my delta (SeeMeCNC Artemis), Duet Web Control reports X as 0.4 and Y as -0.1. Should these values both be 0 after homing?

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      • Jackalundefined
        Jackal
        last edited by

        Please show us your config.g and homedelta.g

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        • dc42undefined
          dc42 administrators
          last edited by

          Immediately after the homing move, unless the 3 endstop switches are at exactly the same height, X and Y won't be quite zero. The standard homedelta.g file that our configurator tool generates finishes by dropping the effector 5mm and then moving to X0 Y0, but SeeMeCNC may have done something different.

          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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          • abeckerundefined
            abecker
            last edited by

            Config.g

            M550 PArtemis                              ; Printer name
            M555 P2                                    ; Repetier Output
            M552 S1                                    ; Enable Wifi
            M575 P1 B57600 S1                          ; PanelDue Comm Setup
            G21                                        ; Work in millimetres
            G90                                        ; Send absolute coordinates
            
            M569 P0 S0                                 ; Drive 0 goes forwards (X)
            M569 P1 S0                                 ; Drive 1 goes forwards (Y)
            M569 P2 S0                                 ; Drive 2 goes forwards (Z)
            M569 P3 S1                                 ; Drive 3 goes forwards (E0)
            M569 P4 S1                                 ; Drive 4 goes forwards (E1)
            
            M574 X2 Y2 Z2 S1                           ; set endstop configuration (all endstops at high end, active high)
            
            M665 R150 L351.155 B145 H530 X0 Y0 Z0      ; delta radius, diagonal rod length, printable radius and homed height
                                                       ; Y X Z are tower angle offsets
            M666 X0 Y0 Z0                              ; endstop offsets in mm
            
            M350 X16 Y16 Z16 E16:16 I1                 ; Set 16x microstepping w/ Interpolation
            M92 X200 Y200 Z200                         ; Set axis steps/mm
            M92 E182.0:182.0                           ; Set extruder steps/mm
            
            M906 X1000 Y1000 Z1000 E1000:1000 I50      ; Set motor currents (mA) and idle current %
            M201 X5000 Y5000 Z5000 E5000               ; Accelerations (mm/s^2)
            M203 X30000 Y30000 Z30000 E30000           ; Maximum speeds (mm/min)
            M566 X2000 Y2000 Z2000 E2000               ; Maximum instant speed changes mm/minute
            
            M106 P0 H-1                                ; Part Cooling Fan
            M106 P2 T50 S0.5 H1                        ; Heat sink fan
            
            M307 H0 B0                                 ; Heated Bed (H2)
            M305 P0 T100000 B4388 R4700 H30 L0         ; Bed thermistor
            
            M305 P1 T100000 B4388 R4700 H30 L0         ; Hot end Thermistor
            M563 P0 D0 H1                              ; Hot end (T0), drive (E0), heater (H1)
            G10 P0 S0 R0                               ; Hot end operating and standby temperatures
            
            ;Dual Extrusion Code
            ;M563 P1 D1 H1 F1                           ; Hot end (T1), drive (E1), heater (H1)
            ;G10 P1 S0 R0                               ; Hot end (1) operating and standby temperatures
            
            M558 P5 I1 X0 Y0 Z0 H5 F200                ; FSR Settings
            G31 P500 X0 Y0 Z-0.3                       ; Probe trigger value and offsets
            M270 I1 P1 S0.05                           ; Enabled Probe doubletap w/ 0.05mm tolerance
            M557 R140 S30                              ; defualt bed mapping
            M501                                       ; Load saved config values
            T0                                         ; Select Tool 0
            
            

            homedelta.g

            G91                         ; use relative positioning
            G1 S1 X750 Y750 Z750 F5000  ; move all carriages up, stopping at the endstops
            G1 S2 X-5 Y-5 Z-5 F500     ; move all towers down 5mm
            G1 S1 X8 Y8 Z8 F500        ; move towers slowly up 8mm, stopping at the endstops
            G1 S2 X-5 Y-5 Z-5 F500     ; move carriages down 5mm
            G90                         ; back to absolute positioning
            
            
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            • abeckerundefined
              abecker
              last edited by

              @dc42:

              Immediately after the homing move, unless the 3 endstop switches are at exactly the same height, X and Y won't be quite zero. The standard homedelta.g file that our configurator tool generates finishes by dropping the effector 5mm and then moving to X0 Y0, but SeeMeCNC may have done something different.

              I just checked to see what the configurator makes for the homedelta.g and it looks like there is a move to X0 Y0 that you mention which isn't in the homedelta.g from SeeMeCNC. At least this tells me that the printer or firmware isn't reporting anything incorrect.

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