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    Nema 11 Stepper Motor Linear Actuator, 2 phase, 4.4V, 0.96A

    $101.08
    High performance driving units, which combines 2-phase Nema 11 stepper motor and lead screw to eliminate coupling. The 0.96A 4.4V stepper motor linear actuator has external shaft style and non-captive shaft style for your selection.
    SKU: ATO28H45-0674
    *
    Delivery date: 6-12 days

    Nema 11 Stepper Motor Linear Actuator with 4.4V rated voltage and 0.96A rated current, holding torque of 12.5 Oz-in, precision leadscrew and higher IP protection. It is widely used in many applications such as X-Y tables, optical scanning equipment, medical valve and pump equipment etc..

    Stepper Motor Linear Actuator Specification

    Model Type External Shaft Non-Captive Shaft
    28H45-0674AST 28H45-0674GTS
    Weight 0.2 Kg
    Length 45 mm
    Phase 2 phase
    Step Angle 1.8°
    Rated Voltage 4.4 V
    Rated Current 0.96 A
    Resistance 4.6 Ω
    Holding Torque 12.5 Oz-in
    Number of Leads 6
    Rotor Inertia 18 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)
    0.187 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: Stepper motor linear actuator in machine tool device
    The application of stepper motor linear actuator in machine tool device can guarantee a high performance level and has simpler motor drive device that transforms rotatory movement into linear motion compared with traditional motor drive device. Because the linear motor is directly connected with the moving load, there is no back clearance between motor and load and the compliance is small.
    1. Linear drive device can easily achieve the speed of minimum of 1um/s and maximum of 5m/s. The linear drive system can guarantee a constant speed characteristic, with a speed deviation of 0.01%. In applications which require higher accelerated speed, smaller linear stepper motors can easily provide accelerated speed greater than 10g while traditional motor generally produces accelerated speed within the range of 1g.
    2. The stepper linear actuator has a simple structure and is composed of few components, so it needs less lubrication. It means that it has a longer service life and a relatively clean operation. In comparison, the traditional drive system consists of more than 20 components, including motor, coupling, ball screw, U block, bearing, bolster and lubrication system.

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