Homing delta issue…maybe



  • 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?



  • Please show us your config.g and homedelta.g


  • administrators

    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.



  • 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
    
    


  • @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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