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    Nema 11 Stepper Motor Linear Actuator, 2 phase, 6.2V, 0.67A

    This Nema 11 stepper motor linear actuator is a good performance positioning drive unit with precision lead screws and 2-phase stepper motor. The special design and material of the nut secure long life operations.
    SKU: ATO28H51-0674
    Delivery date: 6-12 days

    6.2V 0.67A 2 phase stepper motor linear actuator come in Nema 11 (28mm) frame size, is available in non-captive, external shaft options. There are different travel/rev from 0.00012 inch (0.00317mm) to 0.00394 inch (0.1 mm).
    Stepper Motor Linear Actuator Specification

    Model Type External Shaft Non-Captive Shaft
    28H51-0674AST 28H51-0674GTS
    Weight 0.2 Kg
    Length 51 mm
    Phase 2 phase
    Step Angle 1.8°
    Rated Voltage 6.2 V
    Rated Current 0.67 A
    Resistance 9.2 Ω
    Holding Torque 16.7 Oz-in
    Number of Leads 4
    Rotor Inertia 18 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: Functional characteristics of stepper linear actuator

    1. When the linear stepper actuator works, each phase winding is not always electrified, but take turns to set up an electric circuit according to a certain rule. The angle of the impulse electrical signal input is called step angle.
    2. A stepper motor linear actuator can have angle control or speed control according to a certain instruction. In the angle control, each input of a pulse will change the stator winding. The output shaft will turn to one angle. The number of steps is consistent with the number of pulses. The angular displacement of output shaft is directly proportional to the input pulse. In the speed control, the continuous pulse is fed into stepper motor winding. The phase winding of each phase is continuously electrified and the stepper motor continuously to rotate. Its speed is proportional to the impulse frequency. To change the power sequence is to change the rotation direction of the stator field, that is, to control the corotation or reversal of the motor.
    3. The linear stepper motor has the capacity of auto-lock. When stop the input control pulse, and keep the last pulse control winding through direct current, the motor can be maintained in a fixed position, which is parked in the last position end point pulse control of angular displacement, so the stepper motor can be achieved when parking rotor positioning.
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