Rat Rig Community [Unofficial]RRC[
Rat Rig Community [Unofficial]•13mo ago•
9 replies
za_naimis

mushrooming filament, unload variables have no effect

Since replacing the Eva 3 with a RR Toolhead and adding a Orbiter sensor, I find that when unloading filament, it mushrooms and gets stuck just above the extruder gears, as indicated in the image. If I push the filament back in by hand, enough to reheat it and purge a bit, and then pull it back out fairly quickly, I can remove the filament. So I thought I'd try setting the variable that's supposed to effect unload speed, but it didn't.

I tried moving it up to 10 mm/s, then 30, then 100, but there was no change between any of those. I know it's capable of running at least 25mm/s in reverse as the retract option in klipperscreen will actually run faster when selecting that speed.

printer.cfg excerpt:
#############################################################################################################
### MACRO CONFIGURATION
### Configure the behavior of RatOS macros
### See: https://os.ratrig.com/docs/configuration/macros
#############################################################################################################
[gcode_macro RatOS]
variable_relative_extrusion: False
variable_preheat_extruder: True
variable_calibrate_bed_mesh: True
variable_nozzle_priming: "primeblob"
variable_start_print_park_in: "back"
variable_start_print_park_z_height: 50
variable_end_print_park_in: "back"
variable_pause_print_park_in: "back"
variable_filament_unload_speed: 100
image.png
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