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57AHS240 Four Wires 2 Phase Hybrid Stepper Motor

    Buy cheap 57AHS240 Four Wires 2 Phase Hybrid Stepper Motor from wholesalers
     
    Buy cheap 57AHS240 Four Wires 2 Phase Hybrid Stepper Motor from wholesalers
    • Buy cheap 57AHS240 Four Wires 2 Phase Hybrid Stepper Motor from wholesalers

    57AHS240 Four Wires 2 Phase Hybrid Stepper Motor

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    Brand Name : PRMCAS
    Model Number : 57AHS240 Four Wires Series
    Certification : CE, ROHS, CCC
    Price :
    Supply Ability : 10000pcs per Month
    Delivery Time : 7-14days for standad version customization 3-4weeks
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    57AHS240 Four Wires 2 Phase Hybrid Stepper Motor

    1. Products Overview

    Step motor is an executive agency that converts electrical pulses into corner displacement. You can control the angle displacement by controlling the number of pulses to achieve the purpose of accurate positioning. At the same time, you can control the speed and acceleration of the motor rotation by controlling the pulse frequency to achieve the purpose of the speed regulation.

    The hybrid step motor is currently the most widely used step motor, and everyone is familiar with the stepper motor. Here, we briefly introduce how to choose the right step motor for our applications.


    How to choose the right step motor for our applications?

    The choice of stepping motor torque

    The torque of the stepping motor is similar to the "power" of traditional motors. Of course, there is an essential difference. The physical structure of the stepping motor is completely different from AC and DC motors and the output power can be variable.

    Generally, we select the motor size according to the torque need in operation. For example, if the torque needed is less than 0.8N.M, frame size 20/28/35/39/42mm stepper motors are suitable. If the required torque is about 1N.M, select 57mm motor. When the required torque is several N.M or even more, usually selected stepping motors with frame size 86/110/130mm or bigger.

    The stepping motor speed selection

    Special consideration should be taken for the speed of the target stepper motor. Because the output torque of the motor is inversely proportional to the speed. That is to say, when the stepper motor speed is low (500-600 rpm or lower speed per minute), its output torque is larger. When the motor speed is increasing, the motor toque will be decreasing and especially when with the speed of 1000rpm and above.

    Sometimes when high-speed motors are needed, the coil resistance, inductance and other indicators of the stepped motor must be considered carefully. Choose a motor with a slightly less inductance is better, as the output torque is normally higher. However, if want low speed and big torque, a stepper motor with inductance no less than 10mH is better.

    Selection of no-load-starting frequency

    This is a more important indicator for buying motors. If it is required to start and stop frequently within a short time, and the speed is about 1000 rpm (or higher), it is usually necessary to "accelerated startup", i.e need a motor with high no-load-starting frequency.

    Phase selection

    Regarding to the choice of the number of step motor phases, many customers do not pay enough attention. In fact, the performance of stepper motors with different phases are different. The more phases, the smaller the steps can be done, and the vibration at work is smaller. In most occasions, two-phase motors are enough. However, if higher performances needed, especially for precision or smoothness, 3-phase or 5-phase can be better.

    Select the protection level

    There are special step motors, such as water-proof and oil-proof, dust-proof for some special occasions. For example, underwater robots, or fountain etc. need waterproof motors.

    Other special specifications

    If u need special step motors, please contact us. Within the scope of technical permission, we are happy to provide you with customized services, including but not limited to, current, torque, speed, hollow shaft, dual axis, coder, band, belt Brakes, etc.


    The step motor is a motion execution agency that converts the pulse signal into corner displacement or line displacement. Taking the most used hybrid stepping motor as an example, its main features are as the followings.

    High loading capacity. Its speed is not affected by the load size. Unlike ordinary motors, the speed will decrease when the load is increased. The speed and position of the step motor have strict requirements.

    Convenient control. The step motor rotates in "step", and the digital characteristics are obvious.

    Simple structure. The traditional mechanical structure for speed and position control are more complicated, and it is difficult to adjust. After the adoption of step motor, the structure of the whole machine is simpler. At the same time, no need special maintenance, and the failure ratio is very low.

    100% still stop, no shaking. Because the stepper motor does not depend on feedback such as position, speed, etc., when the input pulse stops, the step motor can be in an absolute stop. The servo motor cannot be absolutely stopped, so the characteristic of the stepper motor is definitely very popular in the need for high precision applications.

    Low noise. By proper subdivision setting, the step motor runs very smooth and the noise is small, which is especially suitable for noise sensitive applications.

    Of course, there are obvious disadvantages of the stepper motor, such as high running temperature. Although it does not affect the service life of the stepper motor, it is not suitable for heating sensitive applications. However, with the implement of the step drive control algorithm, the input current adjustment range is getting larger and larger, which helps to reduce the motor heating significantly.


    The Applications of Kaifull PRMCAS Hybrid Stepper Motors


    Kaifull hybrid stepper motors are mainly used in digital control systems, with high accuracy and reliable operation. If position detection and speed feedback are used, closed-loop control can also be achieved. Stepper motors have been widely used in digital control systems, such as digital to analog conversion devices, CNC machine tools, computer peripherals, automatic recorders, clocks, etc. In addition, they have also been applied in industrial automation production lines, printing equipment, etc.

    The application scenarios of Kaifull stepper motors are very wide, and the following are some application examples:

    Industrial field: Stepper motors are used in automotive instrumentation, machine tool automation production equipment, robot manufacturing, inspection, and process flow.

    Security field: Used for monitoring products, such as PAN/ZOOM/TILT for security cameras.

    Medical field; Hydraulic pumps, ventilators, and blood analyzers used in medical scanners, samplers, digital oral photography.

    In the field of consumer electronics, it is used in various stages of electronic product production, such as solder paste printing, SMT placement, reflow soldering, visual inspection, production of cables with terminals, dispensing machines, screen laminating machines, 3D printers, etc.

    Precision equipment and instruments: used in ATM machines, inkjet printers, engraving machines, photo machines, spray painting equipment, computer peripherals and massive data storage devices, precision instruments, industrial control information systems, office automation, robots and other fields, especially suitable for applications with smooth operation, low noise, fast response, long service life, and high output torque.

    Textile machinery: It is widely used in textile machinery equipment such as computerized embroidery machines. These stepper motors have the characteristics of low torque retention, fast response speed, low operating noise, stable operation, good control performance, and low overall cost.

    Flat mobile devices: such as laser cutting machines, printers, scanners, etc.

    Measurement instruments: such as high-precision 3D scanners, optical measurement equipment, etc.

    Medical equipment: used for medical and surgical instruments, etc.

    Camera lens. Used for focusing and moving optical devices, etc.

    These application scenarios typically require stepper motors to have characteristics such as high precision, low noise, fast response, and long lifespan to meet the positioning, control, and performance requirements of different industries.


    2. Hybrid Stepper Motor General Technical Specifications


    Step Angle1.8° (2 Phase)
    Step Angle Accuracy0.09°
    Shaft TypeSingle shft, Dia. 6.35 or 8.0mm (Customizable)
    Max. Temperature RiseLess than 80 °C (Rated Current)
    Max. Surface TemperaturesMax Allowed 100℃
    Ambient Temperature-20 °C ~ +50 °C
    Insulation Grade100 MΩ Min. , Class B
    Dielectric Strengt500 VAC for 1 Minute
    Max. Axial Load15N
    Max. Radial Load90N (10mm from mounting Surface)
    CertificatesRohs, CE, CCC (As per Customer Need)

    3. Hybrid Stepper motor Performance Datasheet

    Model

    Current

    A/Ø

    Resistance

    Ω/Ø

    Inductance

    mH/Ø

    Holding Torque

    N.m

    Rotor Inertia

    g.cm2

    Lead

    # of Leads

    Weight

    kg

    Length

    mm

    Matching

    Drive

    57AHS240-4204S-78-8F4.20.62.22.447041.1177.5Y2SD2

    4. Mechanical Dimensions (in mm)


    5. Wiring Diagram


    6. Torque Speed Curves


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