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Technical Parameter
Model Current
/Phase Resistance
/Phase Inductance
/Phase Holding Tprque # of Leads Rotor Inertia Weight Length
Single
Shaft Double
Shaft A O mH kg-cm g-cm2 kg mm
YSD31112-3A YSD31112-3B 4.3 1.2 4.4 80 4 6000 5.0 124
YSD31115-3A YSD31115-3B 6.0 0.6 2.7 120 4 9720 6.6 148
YSD31118-3A YSD31118-3B 6.4 0.62 2.9 160 4 13560 9.0 182
YSD31121-3A YSD31121-3B 6.9 0.57 2.4 200 4 17400 11.1 215
Specifications
Ltem Technical Parameter
Step Angle 1.2°
Step Angle Accuracy ±5%(full step,no load)
Resistance Accuracy ±10%
Inductance Accuracy ±20%
Temperature Rise 80? Max(rated current,2phase on)
Ambient Temperatuer -20?~+50?
Insulation Resistance 100M O Min 500VDC
Dielectric Strength 500V AC for one minute
Shaft Radial Play 0.02 Max(450g load)
Shaft Axial Play 0.08 Max(450g load)
Max.radial force 220N(20mm from the flange)
Max.axial force 60N