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

    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: ATO-STEP-3317133
    30-day Returns
    Free Shipping
    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.


    Electrical Specification Model ATO33-1334A
    Matched the Driver Model ATODSP42 (Click it to see more info)
    Step Angle 1.8°
    Holding Torque 2.2kg-cm(30Oz-in)
    Voltage 2.8V
    Rated Current/phase 1.33A
    Phase Resistance 2.1Ω
    Inductance 4.2mH
    Rotor Inertia 35g-cm2
    Physical Specification Frame Size 42 x 42mm
    Length 33mm
    Shaft Diameter Φ5mm
    Shaft Length 22mm
    Motor Leads 4
    Weight 0.22kg
    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
    Quality Assurance Warranty Period 12 months
    Certificate CE, ROHs, ISO/SGS9001

    Nema 17 Stepper Motor Dimension (Unit=mm)

    Nema 17 stepper motors dimension

    L1=24mm, Lmax=33mm

    Nema 17 Stepper Motor Wiring Diagram

    Nema 17 stepper motors 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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