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Base Flowrate Multiplier
You can calibrate the flowrate multipliers of the extruder, in order to achieve the
perfect flowrate.
A simple test will help you check the base flowrate of your extruders.
› Heat up both extruders to the printing temperature of the material you would
like to print.
› When the extruders reach the temperature, insert the filament on both extrud-
ers until it reaches the end of the nozzle (make sure that a bit of material is
extruded).
› Measure 300 mm and 400 mm from the upper end of the Teflon tube on top of
the extruder and mark both lengths with a marker. See Fig. 7-1.
› Go to the Control Menu, select T0 as active tool head and extrude 300 mm with
a speed of 100 mm/s.
› If the extrusion ends when the 300 mark reaches the Teflon tube, the extruders
flowrate is correct.
› If not, measure the difference between the expected extrusion length and the
real length and save the correction on the Advanced Menu.
If, for example, the extruder extrudes 260 mm instead of 300 mm:
300/260 = 1,15. The base flowrate should be increased 15% on the ad-
vanced settings.
Fig. 7-1: Identifying the Multiplier Value
Operation and Control
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