F39-PJ1250-S

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F39-PJ1250-S Application Field and Working Principle

F39-PJ1250-S (herein referred to as F39-PJ1250) is a branch of MicroThrust Motors (MTM) commercially available since late 2018. It is a high performance motor specially designed for use in heavy-duty robot applications.

The F39-PJ1250 motor provides a rated output torque of up to 36.22Nm with a maximum continuous running time of 8 hours and a maximum continuous current of 12A. This motor is constructed with an active brushless DC windings and is capable of driving heavy-duty robotic arms, grippers, rollers, manipulators, turntables, and other motion control apparatus with high accuracy and efficiency. It is widely used in applications such as industrial, military, medical, aerospace, and other automated systems.

Structure and Control System

The F39-PJ1250 motor is composed of a stator, rotor, bearing(s), casing, shaft, and other components. The stator or stationary part of the motor consists of permanent magnets and windings. The rotor, located within the stator, is composed of an iron core wound with wire coils and is surrounded by ferromagnetic rings. The bearing(s) help support the shaft and housing of the motor.

The motor is controlled by a three-phase brushless DC motor drive which provides a smooth and precise control of the motor\'s torque and speed. It is capable of driving the motor up to 800 RPM in both CW (clockwise) and CCW (counter-clockwise) directions. The motor also includes hall sensors that measure the motor\'s position in order to accurately control the motor\'s position and speed.

Working Principle

The F39-PJ1250 works via the interaction between the permanent magnets and the windings in the stator. When power is applied to the motor, a magnetic field is created. The magnetic field interacts with the rotor, and the rotor starts to rotate. The rotating rotor generates an electrical signal, which is then detected by the hall sensors in the motor. This signal is then processed by the motor driver, which applies the appropriate amount of voltage to the stator windings to maintain the desired motor speed and/or torque.

The motor\'s efficiency and speed are primarily determined by the design and construction of the motor. The F39-PJ1250 is constructed with an optimized coil layout that minimizes the manufacturing errors and improves the overall motor performance. It also provides a high level of heat dissipation and low motor vibration, resulting in low noise levels during operation.

Applications

The F39-PJ1250 features a powerful output and the ability to precisely and accurately control heavy-duty robotic components such as industrial arms and grippers, resulting in a wide range of applications in various industries. It is used in robots employed in military, aerospace, medical, industrial, and other automated systems. Common F39-PJ1250 applications include robotic arms, manipulators, and manipulators with a high level of accuracy and high speeds.

These motors are also employed in various consumer and industrial products such as lead screws used in 3D printers, automated 3D printers, and industrial mixers. Additionally, they are used in medical equipment such as surgical robots, dialysis machines, and centrifugal compressors.

The F39-PJ1250 motor is a reliable and efficient choice for heavy-duty robot applications. With its powerful output, long running time, robust control system, and optimized coil layout, it is an ideal choice for robotic applications requiring high precision and high speeds.

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