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    Nema 14 Stepper Motor Linear Actuator, 2 phase, 10V, 0.5A

    Cheap price stepper motorl inear actuator consists of 2 phase Nema 14 frame size stepper motor and lead screw, allowing for a holding torque of 14 Oz-in, the motor has external shaft style and non-captive shaft style two designs available.
    SKU: ATO35H28-0504
    Delivery date: 6-12 days

    The 0.5A 10V Nema 14 stepper motor linear actuator is ideal for applications requiring a combination of precise positioning, rapid motion and long life. Typical applications include X-Y tables, medical equipment, semiconductor handling, telecommunications equipment, valve control, and numerous other uses.
    Stepper Motor Linear Actuator 

    Model Type External Shaft Non-Captive Shaft
    35H28-0504AST 35H28-0504GTS
    Weight 0.14 Kg
    Length 28 mm
    Phase 2 phase
    Step Angle 1.8°
    Rated Voltage 10 V
    Rated Current 0.5 A
    Resistance 20 Ω
    Holding Torque 14 Oz-in
    Number of Leads 4
    Rotor Inertia 10 g-cm2

    Select Leadscrew
    Choose your stepper motor linear actuator screw from one of the available options:

    Screw Diameter Lead Travel Per 1.8 Step
    (in) (mm) (in/rev) (mm/rev) (in/step) (mm/step)
    0.256 6.5 0.118 3 0.0059 0.15
    0.25 6.35 0.05 1.27 0.00025 0.00635
    0.25 6.35 0.1 2.54 0.0005 0.0127
    0.25 6.35 0.25 6.35 0.00125 0.03175
    0.25 6.35 0.5 12.7 0.0025 0.0635
    0.315 8 0.079 2 0.00039 0.01
    0.315 8 0.157 4 0.00079 0.02
    0.315 8 0.315 8 0.00157 0.04
    0.315 8 0.787 20 0.00394 0.1

    Stepper Motor Linear Actuator Dimension
    1. Non-captive shaft style
    nema 14 non captive shaft stepper motor linear actuator dimension
    2. External shaft style
    nema 14 external shaft stepper motor linear actuator dimensionTips: Detection and maintenance of screw rod support bearing clearance
    If the dial-gage indicator which measures the screw rod does not swing when the screw rod moves in forward direction and opposite direction, it shows that the screw rod does not move. The maximum and minimum measured value difference is the distance of the axial float of the screw rod. At this point, we will check whether the back cap of the supporting bearing is locked, whether the bearing is worn out or not, and the pre load bearing washer is suitable. If the bearing is damaged, the bearing needs to be replaced and the pre-loaded washer needs to be made again so as to tighten the back cap. The screw rod axial float largely depend on the precision of  supporting bearing preload washer. The most ideal condition of the screw rod installation accuracy is that there is no positive and negative clearance, and the support bearing should have the interference of about 0.02mm.

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