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mangy_dog

Parking during nozzle switch?

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Posted · Parking during nozzle switch?

Currently i cant seem to see any option to park the hot ends away from the model, so when the nozzle does its switch it just leaves the hot ends where the last move left it... usually on the spot of the layer end on the model. Melting a large hole in the print. 

 

So if there is already a setting, where is the setting to park the hot ends away from the model while the new nozzle gets heated up, and if there isnt a setting... Why isnt there? its a pretty damn important feature to have in a multi extruder setup. 

 

 

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Posted · Parking during nozzle switch?
5 hours ago, mangy_dog said:

So if there is already a setting, where is the setting to park the hot ends away from the model while the new nozzle gets heated up

 

I'm no Cura expert, but there are start- and end-scripts for each extruder in the machine settings. Those are executed on each switch to a different extruder. You can use any gcode command in these scripts that is supported by your printer.

 

For Ultimaker printers this task is handled by the firmware (no script needed), so i assume you use a printer definition that is contributed by a third party? Or is it a self-construction?

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Posted · Parking during nozzle switch?
1 hour ago, mangy_dog said:

its a duet3d based corexy machine.

 

In this case i would rather create appropriate tool change files for RepRapFirmware  - to make the parking method  completely independent from any slicer or its settings.

IMHO this is the correct place to handle those tasks. Do it once for the machine and you'll never need to think about it again.

 

And it's very well documented:

 

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

 

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