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Dual Extrusion Non Print Moves #6269

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pcsentinel opened this issue Mar 25, 2021 · 5 comments
Open

Dual Extrusion Non Print Moves #6269

pcsentinel opened this issue Mar 25, 2021 · 5 comments

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@pcsentinel
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Version

3.2.0

It appears that the initial move to the wipe tower does not respect the Non print moves setting. In the attached, the non print move is 160mm/s but there is no G1 FXXX before the wipe tower move so the move is performed at default printer speed.
a2e3ad70-ca18-47a1-9709-662c2f96b08d.zip

@rtyr
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rtyr commented Mar 29, 2021

I don't see any issue. The last G1 command before that travel is with F9600 (160mm/s), therefore the travel to the wipe tower will also use F9600. Or does the RepRapFirmware behave differently?

6269

@pcsentinel
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HI, but if you look at the code around the first tool change you will see that the move of Tool1 to the wipe tower location is doen at 2400.:

G1 X99.750 Y27.750 F9600.000 ; Travel to a Wipe Tower
G11 ; unretract
;HEIGHT:0.200000
;TYPE:Wipe tower
;WIDTH:0.500000
;--------------------
; CP TOOLCHANGE START
; toolchange #1
; material : PET -> PET
;--------------------
M220 S100
; CP TOOLCHANGE UNLOAD
;WIDTH:0.500000
G1 X99.250 Y27.500
M572 D0 S0
;WIDTH:0.500000
G1 F2000
G1 Y27.000 F2400
G4 S0
; Filament-specific end gcode
;END gcode for filament

T1 ; change extruder

G1 X99.250 Y27.000
; Filament gcode

G4 S0
G1 Y27.500
; CP TOOLCHANGE WIPE
G1 X90.250 E0.4036 F800

@rtyr
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rtyr commented Mar 29, 2021

Initial travel from the object to the wipe tower is done with F9600. Only those tiny travels inside the wipe tower are done with fixed feedrate of F2400. I still don't see any issue here, what problem does it cause?

@rtyr
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rtyr commented Mar 29, 2021

Oh now I understand, I somehow assumed you are using single nozzle multimaterial, but you are not.

@rtyr
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rtyr commented Mar 29, 2021

It should be hopefully fixed along with #5483.

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