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    Nema 11 Stepper Motor Linear Actuator, 2 phase, 3.8V, 0.67A

    $101.08
    2 phase 4 wires, 0.67A 3.8V bipolar stepper motor linear actuator come in Nema 11 frame size, which has 1.8 degree per step for smooth motion and a nice holding torque, non-captive, external shaft options are available.
    SKU: ATO28H32-0674
    *
    Delivery date: 6-12 days

    This is high quality Nema 11 stepper motor linear actuator with 1.8 deg. step angle (200 steps/rev). Each phase draws current 0.67A at 3.8V voltage, allowing for a holding torque of 8.3 Oz-in. You can choose a external shaft type or a non-captive shaft type stepper linear actuator to meet your specific application requirements.
    Stepper Motor Linear Actuator Specification

    Model Type External Shaft Non-Captive Shaft
    28H32-0674AST 28H32-0674GTS
    Weight 0.11 Kg
    Length 32 mm
    Phase 2 phase
    Step Angle 1.8°
    Rated Voltage 3.8 V
    Rated Current 0.67 A
    Resistance 5.6 Ω
    Holding Torque 8.3 Oz-in
    Number of Leads 4
    Rotor Inertia 9 g-cm2

    Select Leadscrew of Your Motor
    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)
    0.187 4.76 0.025 0.635 0.00012 0.00317
    0.197 5 0.079 2 0.00039 0.01
    0.219 5.56 0.192 4.88 0.00094 0.024
    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
    0.25 6.35 1 25.4 0.00677 0.172
    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 11 non captive shaft stepper motor linear actuator dimension2. External shaft style
    nema 11 external shaft stepper motor linear actuator dimensionTips: Basic principle of stepper motor linear actuator
    The stepper motor linear actuator is meshed with a screw and nut, so as to prevent the relative rotation of the screw nut so that the screw will have axial movement. There are two ways to achieve this transformation. The first is to build a rotor with inner screw thread in the stepper motor so as to achieve the linear motion through the mesh of internal thread and the screw. The second is to use the screw as the output shaft of the motor. A linear motion is achieved by meshing the external drive nut and screw. It simplifies the design greatly so that precise linear motion can be carried out in many application areas without installing external mechanical linkage device.

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