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    Nema 17 Stepper motor, 4V 1.2A, 1.8 degree, 2 phase 6 wires

    $35.85
    This is a professional and high precision stepper motor. Higher precision can be achieved using half step/micro-stepping modes available on many stepper motor controllers.
    SKU: ATO39-1206A

    2 phase, 6-wire Nema 17 stepper motor with 1.8 degree step angle, each phase draws current 1.2A at 4V, allowing for a holding torque of 36oz-in.
    Specifications

    Basics Model ATO39-1206A
    Step Angle 1.8°
    Length 39mm
    Weight 0.28kg
    Voltage 4V
    Current 1.2A
    Resistance 3.3Ω
    Inductance 4mH
    Motor Leads 6
    Rotor Inertia 54g-cm2
    Maximum Static Torque 36oz-in/2.59kg-cm
    Technical parameters Step Angle Accuracy ±5% (full step, no load)
    Resistance Accuracy ±10%
    Inductance Accuracy ±20%
    Temperature Rise 80℃ Max. (rated current, 2 phase on)
    Ambient Temperature -10℃~+50℃
    Insulation Resistance 100MΩ Min. 500VDC
    Dielectric Strength 1Min. 500VAC·5mA
    Shaft Radial Play 0.06Max. 450g
    Shaft Axial Play 0.08Max. 450g

    Nema 17 dimensions wiring diagram
    Tips: Low frequency characteristic of servo motor and stepper motor
    Stepper motor at low speed is easy to appear low frequency vibration phenomenon. Vibration frequency is associated with load and drive performance, it is generally believed half frequency vibration frequency for the motor no-load takeoff. This determined by the working principle of stepper motor in low frequency vibration phenomenon is very bad for the normal operation of the machine. When the stepper motor work in low speed, general damping technology should be adopted to overcome the low frequency vibration phenomenon, such as add damper on motor, or drive the segmentation technology, etc..
    Ac servo motor running smoothly, even in the low speed also won't appear when the vibration phenomenon. Ac servo system has a resonance suppression function, can cover the mechanical rigidity, and internal system has the function of frequency resolution (FFT), can detect the mechanical resonance point, is advantageous for the system adjustment.

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