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    Nema 17 Stepper motor, 2.8V 1.33A, 1.8 degree, 2 phase 4 wires

    $34.92
    2.8V, 1.33A, 30 oz-in NEMA 17 stepper motor, 4 wires bipolar stepper motor with 1.8 degree step angle, produce a maximum torque of 2.2 kg-cm, brand new direct sale by manufacturer.
    SKU: ATO33-1334A
    Delivery date: 6-12 days

    Nema 17 stepper motor, 2.8V 1.33A, 2 phase 4 wires bipolar stepper motor with 1.8 degree step angle, small body in 33mm, perfect for all kinds of mechanical and robotics projects.
    Specifications

    Basics Model ATO33-1334A
    Step Angle 1.8°
    Length 33mm
    Weight 0.22kg
    Voltage 2.8V
    Current 1.33A
    Resistance 2.1Ω
    Inductance 4.2mH
    Motor Leads 4
    Rotor Inertia 35g-cm2
    Maximum Static Torque 30Oz-in/2.2kg-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: How to overcome the vibration and noises of 2-phase hybrid stepper motor when rotating at low velocity?
    The vibration and noise of the stepper motor rotating at low velocity its the intrinsic defects, which can be generally overcome by adopting following schemes:

    1. If the stepper motor works at resonance region, the resonance region can be evaded by changing mechanical transmissions such as velocity ratio.
    2. Use subdivided driver, which is the most common and simple method.
    3. Replace for the stepper motor with smaller stepping angle, like 3-phase or 5-phase stepper motor.
    4. Replace for AC servo motor, which can nearly overcome vibration and noise, but the cost is quite high.
    5. Add magnetic damper to the shaft of motor, such product has been available in the market, but the mechanical structure is changed a lot.
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