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Nema11 Small Geared Stepper Motor , Planetary Stepper Motor 28mm*28mm

    Buy cheap Nema11 Small Geared Stepper Motor , Planetary Stepper Motor 28mm*28mm from wholesalers
     
    Buy cheap Nema11 Small Geared Stepper Motor , Planetary Stepper Motor 28mm*28mm from wholesalers
    • Buy cheap Nema11 Small Geared Stepper Motor , Planetary Stepper Motor 28mm*28mm from wholesalers
    • Buy cheap Nema11 Small Geared Stepper Motor , Planetary Stepper Motor 28mm*28mm from wholesalers

    Nema11 Small Geared Stepper Motor , Planetary Stepper Motor 28mm*28mm

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    Brand Name : Jkongmotor
    Model Number : 28HSP
    Certification : CE, ROHS,ISO9001
    Price : US $15.5 - 30 / Pieces
    Delivery Time : For samples , 7-15 days / For batch , 15-25days
    Payment Terms : T/T , paypal , Western Union, L/C
    Supply Ability : 30000 pcs/month
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    Nema11 Small Geared Stepper Motor , Planetary Stepper Motor 28mm*28mm


    Mini NEMA11 Planetary Geared Stepper Motor 28mm*28mm Ratio 3.17:1 - 99.5:1


    General Specification:

    Step Accuracy ------------------------------ ±5%

    Resistance Accuracy ----------------------- ±10%

    Inductance Accuracy ---------------------- ±20%

    Temperature Rise -------------------------- 80°C MAX.

    Ambient Temperature Range ------------- -20°C~ +50°C

    Storage Temperature Range ------------- -30°C~ +60°C

    Insulation Resistance ---------------------- 100M Ω MIN. 500V DC

    Dielectric Strength ------------------------- 500V AC 1min

    Radial Play --------------------------------- 0.02mm MAX. (450g Load)

    End Play ------------------------------------ 0.08mm MAX. (450g Load)

    Max. radial force --------------------------- 28N

    Max. axial force ---------------------------- 10N


    Housing MaterialMetal
    Bearing at OutputBall Bearings
    Max.Radial Load(12mm from flange)≤35N
    Max.Shaft Axial Load≤25N

    Radial Play of Shaft (near to Flange)

    ≤0.07mm
    Axial Play of Shaft≤0.3mm
    Backlash at No-load1.5°

    28HS Hybrid Stepping Motor Specifications:

    Model No.Step AngleMotor Length

    Current

    /Phase

    Resistance

    /Phase

    Inductance

    /Phase

    Holding Torque# of LeadsRotor Inertia

    Motor

    Weight

    ( °)(L)mmAΩmHg.cmNo.g.cmKg
    JK28HS32-0674PG5.181.8320.675.63.4600490.11
    JK28HS45-0674PG511.8450.676.84.99504120.14
    JK28HS51-0674PG711.8510.679.27.212004180.2


    28HS Planetary Gearbox Specification


    Reduction ratio3.715.1813.7619.226.8517199.5
    Number of gear trains123
    Length(L2) mm303745
    Max.rated torque kg.cm579
    Short time permissible torque kg.cm152127
    Weight g200250300

    Stepper Motor Advantages

    • Low cost for control achieved
    • High torque at startup and low speeds
    • Ruggedness
    • Simplicity of construction
    • Can operate in an open loop control system
    • Low maintenance
    • Less likely to stall or slip
    • Will work in any environment
    • Can be used in robotics in a wide scale.
    • High reliability
    • The rotation angle of the motor is proportional to the input pulse.
    • The motor has full torque at standstill (if the windings are energized)
    • Precise positioning and repeatability of movement since good stepper motors have an accuracy of 3–5% of a step and this error is non-cumulative from one step to the next.
    • Excellent response to starting/stopping/reversing.
    • Very reliable since there are no contact brushes in the motor. Therefore, the life of the motor is simply dependent on the life of the bearing.
    • The motors response to digital input pulses provides open-loop control, making the motor simpler and less costly to control.
    • It is possible to achieve very low-speed synchronous rotation with a load that is directly coupled to the shaft.
    • A wide range of rotational speeds can be realized as the speed is proportional to the frequency of the input pulses.

    Applications

    As the stepper motor are digitally controlled using an input pulse, they are suitable for use with computer controlled systems.

    They are used in numeric control of machine tools.

    Used in tape drives, floppy disc drives, printers and electric watches.

    The stepper motor also use in X-Y plotter and robotics.

    It has wide application in textile industries and integrated circuit fabrications.

    The other applications of the Stepper Motor are in spacecrafts launched for scientific explorations of the planets etc.

    These motors also find a variety of commercial, medical and military applications and also used in the production of science fiction movies.

    Stepper motors of microwatts are used in the wrist watches.

    In the machine tool, the stepper motors with ratings of several tens of kilowatts is used.

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