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Stepper Motors
Extruder Stepper Motor
The stepper motors are all (externally) unmarked. As such, gathering information for them is quite dificult. It is known that they are type NEMA17, 2-phase hybrid bipolar.
X/Y axis
NEMA17-40mm 170mm x 170mm x 400mm depth
Z axis
NEMA17-34 170mm x 170mm x 340mm depth
Step Angle 1.8。 Step Angle Accuracy ±5% (full step, no load) Resistance Accuracy ±10% Inductance Accuracy ±20% Temperature Rise 80。C Max.(rated current,2 phase on) Ambient Temperature -20。C~+50。C Insulation Resistance 100MΩMin. ,500VDC Dielectric Strength 500VAC for one minute Shaft Radial Play 0.02Max. (450 g-load) Shaft Axial Play 0.08Max. (450 g-load) Max. radial force 28N (20mm from the flange) Max. axial force 10N