How to home all axis Ender 3

PR1OR

Hi There,

I have now got my duet wired up. When on the web control it states the axis' arent homed and when i click home it all goes to the incorrect place.

Can some help me understand how to get this working?

Kind Regards

aidar

https://duet3d.dozuki.com/Wiki/ConfiguringRepRapFirmwareCartesianPrinter#Section_Homing_files

A Former User

Here is one of my Ender 3 home all files.
RRF2

Now disclaimer.

Some might not agree with this way of doing things, but this works for me.

G91 ; Relative positioning
G1 S2 Z5 F6000 ; Lift the Z axis relative to current position to avoid the nozzle hitting the bed
G1 S1 X-235 F6000 ; Move quickly to X axis endstop (first pass)
G1 X5 F6000 ; Go back a few mm
G1 S1 X-235 F700 ; Move slowly to X axis endstop (second pass)
G90 ; Absolute positioning
G91 ; relative positioning
G1 S2 Z5 F6000 ; lift Z relative to current position to avoid the nozzle hitting the bed
G1 S1 Y-220 F6000 ; move quickly to Y axis endstop and stop there (first pass)
G1 Y-5 F6000 ; go back a few mm
G1 S1 Y-235 F700 ; move slowly to Y axis endstop once more (second pass)
G1 S2 Y15 F1000 ; move the Y axis to a point where the IR probe can see the bed
G90 ; absolute positioning
G91 ; Relative mode
G1 S2 Z5 F8000 ; Raise head 5mm to ensure it is above the Z probe trigger height
G90 ; Back to absolute mode
G1 X117 Y117 F8000 ; put head over the centre of the bed, or wherever you want to probe
G30 ; lower head, stop when probe triggered and set Z to trigger height
G1 S2 Z25 F8000 ; Raise the head for cleaning
G1 X30 Y30 F8000 ; Move the head to the corner

Phaedrux

@CaLviNx said in How to home all axis Ender 3:

G1 S1 Y-220 F6000 ; move quickly to Y axis endstop and stop there (first pass)
G1 Y-5 F6000 ; go back a few mm
G1 S1 Y-235 F700 ; move slowly to Y axis endstop once more (second pass)

surely that Y move in the middle should be positive?

@PR1OR Here's another example from an ender 3 pro with maestro and bltouch.

; homeall.g
; called to home all axes
;
;
M561  ; clear height map
M400  ; wait for movement queue to empty
M913 X45 Y45 Z45	; Reduce motor currents for homing
M400
G91			; relative positioning
G1 H2 Z3 F600		; lift Z relative to current position
G1 H1 X-250 Y-250 F4000 ; move quickly to X and Y axis endstops and stop there (first pass)
G1 X5 Y5 F4000	; go back a few mm
G1 H1 X-240 Y-240 F360  ; move slowly to X and Y axis endstops once more (second pass)
G90 			; absolute
G1 X159 Y142 F6000	; move probe to bed center
M558 F600 A1 		; Dive fast once
G30			; probe Z
M558 F100 A10 		; Slow second dive with more accuracy
G30			; probe z again
G29 S1			; Load heightmap and enable mesh grid compensation
G1 X10 Y10 Z10 F6000	; return head to park position
M400
M913 X100 Y100 Z100	; Return motor currents to normal
M400

A Former User

@Phaedrux

I refer to my disclaimer...

Some might not agree with this way of doing things, but this works for me.

Phaedrux

@CaLviNx said in How to home all axis Ender 3:

but this works for me.

Success despite itself is still success I suppose.