The definitive solution for the perfect filament flowDesigned by Balearic Dynamics in Spain
3D printers filament - usually fairly robust - is pulled by the extruder while the roll is placed nearby to the printer, free to rotate. I have observed meaningful differences in the material behav...Read More…
3D printers filament - usually fairly robust - is pulled by the extruder while the roll is placed nearby to the printer, free to rotate. I have observed meaningful differences in the material behavior depending on the usage level, based on 1Kg filament rolls. A new (full) filament spool flows almost well but the force applied by the extruder should be relatively relevant: the weight is at least 1Kg. The extruder motor (most of the cases a Nema17 stepper) is not damaged by the effort but the two gears of the extruder collect particles of the plastic material due to the applied force; this requires frequent extruder maintenance to avoid the nozzle clogging in the hot end. These particles tend to detach and mix with the clean filament while it is feeding increasing nozzle problems and a more frequent nozzle wear; this occurs more frequently with 0.3 mm diameter nozzles.
When the filament roll is half used or more its spirals become smaller and in some environmental conditions the filament tends to break too frequently. Long print jobs become less reliable and stressful; I can't leave the printer working alone for an entire night without controlling it.
This is the reason a full flowing filament can save time and material, dramatically reducing the stress applied to the extruder while printing.
The kit includes all the 3D printed parts, screws and nuts and the four roll bearings.
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