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rebekah_harper

UM3 flow rate affects both extruders

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Posted · UM3 flow rate affects both extruders

Hiya, 

 

i have found when I change the flow rate for one of the extruders though the printers menu whilst printing it changes the other extruder too. 

 

A right pain, will this be addressed?

 

many thanks

 

Bex

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Posted · UM3 flow rate affects both extruders

It's intentional. There was another thread, which I currently can't find. @Daid, which I think is the head firmware developer at Ultimaker HQ, said that this was by design. Cant remember the reason :|  

Why do you want to change the flow rate anyway? Personally I'm not a big fan of those live adjustments. I would do some tests before and change the flow in Cura according to your material. 

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Posted · UM3 flow rate affects both extruders

Mainly because I use a varied size range of nozzles and when it comes to the alignment print it doesn’t go too well. 

I also use it to run some test for adjustments. 

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Posted · UM3 flow rate affects both extruders

There is no UX reason. It's actually tracked as a bug in our system. The reason is legacy, we are still building on top of the old Marlin which does not support flow rate per extruder. Priorities prevented it from fixing it so far.

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Posted · UM3 flow rate affects both extruders

Thank for the answer.  I like direct replies. 

 

Appreciate it and glad to know it’s aknowledged.  

 

Kind regards

 

rebekah anderson ?

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Posted · UM3 flow rate affects both extruders
1 hour ago, Daid said:

we are still building on top of the old Marlin which does not support flow rate per extruder

Does this affect the actual flow rate set in Cura on a per extruder basis? Or does it behave as if adjusting on the machine?

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Posted · UM3 flow rate affects both extruders

On the machine it behaves like that. Cura has a good flow rate per extruder (pretty much a requirement for perfect dual material prints)

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Posted · UM3 flow rate affects both extruders
1 minute ago, Daid said:

On the machine it behaves like that. Cura has a good flow rate per extruder (pretty much a requirement for perfect dual material prints)

Thank you for clarification! I would have thought so, but wanted to make sure. :)

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