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    Nema 17 Stepper motor, 6V 0.8A, 1.8 degree, 2 phase 4 wires

    $35.85
    Cheap price Nema 17 stepper motor, 2 phase 4 wires, resolution of 1.8 degree/step, torque of 36 oz/inch, manufacturer direct sale.
    SKU: ATO39-0804A
    Delivery date: 6-12 days

    Nema 17 stepper motor, 2 phase 4 wires bipolar stepper motor, resolution of 1.8 degree/step, torque of 36 oz/inch, high quality and brand new.
    Specifications

    Basics Model ATO39-0804A
    Step Angle 1.8°
    Length 39mm
    Weight 0.28kg
    Voltage 6V
    Current 0.8A
    Resistance 7.5Ω
    Inductance 7.5mH
    Motor Leads 4
    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: Current chopping drive method of stepper motor
    Current chopping drive is the stepper motor winding current value converted into A certain percentage of the voltage, and the comparison between the D/A converter output preset, compare the results to control the switch to power tube, so as to achieve the purpose of the control winding current.
    Advantages: Make the characteristics of the movement control simulation sine waves, greatly improve the performance, speed and noise is small, can use higher segmentation, is the current popular control method.
    Weakness: The circuit is more complex, the circuit is difficult to control and the theory of interference fit requirement, the prone to jitter, formed in the control of sine wave peaks and troughs, easily lead to the high frequency interference, resulting in driving element fever or aging due to high frequency, which is easy to appear when a lot of drive to use more than a year the main reason for the red light protection.

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