dual material Y bowden configuration

marcottt

Hi all, i'm working on my anycubic kossel for manage dual material with a Y bowden splitter (2 motor, 2 tube, 1 nozzle).
But if a try to configure and setup 2 extruder with 1 mixing color, i loose the option to have different material so i cannot use temperature config different between material....
How i can manage 2 different material in a dual filament print ?

marcottt

ah i forgot. im using firmware 1.1.8 marlin

Repetier

I do not think mixing color is right here. You can not mix. 2 extruders with same heater is more what you have. Then you also can have different temperatures, but i can not say how to do this in marlin,

marcottt

Sorry did not write correctly. I don't think to mix. I use 2 material (1 at time) with 1 nozzle using y splitter

Repetier

Yes and to the outside marlin should handle this as 2 extruders so in slicer config each filament can have it‘s own temperatures. That is like prusa does this, if i‘m correct.

marcottt

Oh perfect. In weekend ill try.
Thanks

marcottt

hi, just tried but i think did not work.
I put in marlin 1.1.8 this 2 change:

#define DUAL_EXTRUDER

#define SINGLENOZZLE

and set repetier with 2 extruder.

clabled 2nd extruder, make some testo with motor move materiale ok.

but.....:

if a put mixing extruder option, seem ok (i did no make a print at moment), in manual control have 1 extruder temp management but i have only 1 filament settings in slicer tab.

if i clean mixing extruder option, in manual control have 2 extruder temp management but the second temp get value (27 °) from... i don't know ... and if i power on 2nd nozzle did not get any temperature... so i think if i start a print when printer use 2nd nozzle will power on without result ?

also... there is some example of "before extruder switch" and "after extruder switch " somewhere ?

thanks,

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La funzione vocale è limitata a 200 caratteri

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marcottt

hI SORRY.... I'm again..

Made some other test, find an interesting (and think good ) thing...

configured as 2 extruder NO mixing nozzle:

in manual control, if i put active extruder 1, i can control temperature 1 but not temperature 2
if i put active extruder 2, i can control temperature 2 but not temperature 1...
I think now can be a clear way to use.... but interface is not so friendly... i think better if , when extruder 1 is selected, extruder 2 is gray or similar and viceversa...

Anyway, is this the correct way to work ?

thanks

La funzione vocale ?? limitata a 200 caratteri

Repetier

I can not say how markin handles this, for firmware these are just 2 extruders. Changing one temperature of course always should change both in firmware as you only have one heater.