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Can we have a different extruder speed for retraction?

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Posted · Can we have a different extruder speed for retraction?

It was inspired by this discussion

 

Besides the reason mentioned in the above thread. When doing retraction, a faster retract speed drives better result. But with the same speed, when the extruder going forward, it may cause the extruder jam problem. A simple solution is to set a different retract/forward speed when doing retractions.

Can we have that setting?

 

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Posted · Can we have a different extruder speed for retraction?

The link you posted is about volumetric extrusion. You can set Cura to volumetric extrusion by changing the gcode flavour in the machine settings. You will have to compile your own Marlin firmware with FWRETRACT enabled which gives you the tools you need as understanding G10 and G11 commands. On your Ulticontroller you will then also be able to set different values for retract and priming speed.

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Posted · Can we have a different extruder speed for retraction?

Thanks for the reply. I think we have firmware retraction and slicer retraction settings and just enable one of them should be enough.

instead of changing volumetric extrusion and enable frimware retraction, enable a parameter setting in cura would be more straight forward, or maybe a cura plugin can do this. :-)

 

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