GLOBE AIRMOTORS motor, German GLOBE AIRMOTORS model, GLOBE AIRMOTORS price

The GLOBE AIRMOTORS motor is a single-phase AC commutator motor, suitable for applications with single-phase power supply that require speed regulation and reversal of rotation direction. The stator winding is powered by a single-phase source, and the rotor consists of an armature winding with a commutator short-circuited via brushes. The brushes can be moved to any position relative to the stator winding as needed. By shifting this position, the rotor's direction of rotation, mechanical characteristics, and operating speed can be changed. When the brushes are displaced counter-clockwise from the geometric neutral axis, the rotor rotates clockwise; when the brushes are displaced clockwise from the geometric neutral axis, the rotor rotates counter-clockwise.

GLOBE AIRMOTORS motor applications

Motors are primarily used as electric motors. They are the most widely used and highest-demand type of motor in industrial and agricultural production and across all sectors of the national economy. Metal cutting machine tools, steel rolling equipment, blowers, crushers, water pumps, oil pumps, light industrial machinery, textile machinery, mining machinery, and most other equipment predominantly use asynchronous motors for drive. In daily life, the application of asynchronous motors is also increasingly widespread; single-phase asynchronous motors are used in household appliances such as electric fans, washing machines, refrigerators, and air conditioners. In electric drive systems, the vast majority of drive motors are asynchronous motors, accounting for approximately 60% of the total grid load. The widespread use of asynchronous motors is due to their advantages, including simple structure, ease of use, reliable operation, high efficiency, ease of manufacturing, and low cost. Asynchronous motors themselves have poor speed regulation performance; in applications requiring a wide and smooth speed regulation range, DC motors are generally used. Over the past one to two decades, AC speed control systems for asynchronous motors, developed based on power electronic devices and microcomputers, have improved the speed regulation performance of asynchronous motors, thereby expanding their applications. During operation, asynchronous motors must absorb reactive power from the grid, which deteriorates the grid's power factor. However, since the grid's power factor can be compensated by other means, this does not hinder the widespread use of asynchronous motors.

GLOBE AIRMOTORS motor precautions

Protection of motors from oil and water: A: Servo motors can be used in locations exposed to water or oil droplets, but they are not fully waterproof or oil-proof. Therefore, servo motors should not be placed or used in environments submerged in water or oil. B: If a servo motor is connected to a gearbox, an oil seal should be used when operating the servo motor to prevent oil from the gearbox from entering the servo motor. C: Do not immerse servo motor cables in oil or water. Two, Servo motor cable → Stress relief. A: Ensure that the cable is not subjected to torque or vertical loads due to external bending forces or its own weight, especially at the cable outlet or connection point. B: When the servo motor is moving, the cable (the one supplied with the motor) should be securely fixed to a stationary part (relative to the motor), and it should be extended using an additional cable installed in a cable support to minimize bending stress. C: Make the bend radius of the cable as large as possible. Three, Permissible shaft end load for servo motors. A: Ensure that radial and axial loads applied to the servo motor shaft during installation and operation are kept within the specified values for each model. B: Exercise extreme caution when installing a rigid coupling, as excessive bending loads may cause damage or wear to the shaft end and bearings. C: It is recommended to use flexible couplings to keep radial loads below the permissible value; these are specifically designed for servo motors with high mechanical strength. D: For information on permissible shaft loads, refer to the "Permissible Shaft Load Table" (in the user manual). Four, Servo motor installation notes: A: When installing or removing coupling components on the servo motor shaft end, do not strike the shaft end directly with a hammer. (Striking the shaft end directly with a hammer can damage the encoder on the opposite end of the servo motor shaft.) B: Strive to align the shaft end to the optimal state (misalignment may cause vibration or bearing damage).

GLOBE AIRMOTORS motor working principle

Inside the motor, ring-shaped permanent magnets are fixed. Current flowing through the coils on the rotor generates Ampere force. When the coils on the rotor are parallel to the magnetic field, the direction of the magnetic field experienced upon further rotation changes. At this point, the brushes at the end of the rotor alternately contact the commutator segments, changing the direction of current in the coils. Consequently, the direction of the Lorentz force remains unchanged, allowing the motor to maintain rotation in one direction. The working principle of a DC generator involves converting the alternating electromotive force (EMF) induced in the armature coils into direct current EMF at the brush terminals, achieved through the commutation action of the commutator and brushes. The direction of the induced EMF is determined by the right-hand rule (magnetic field lines point into the palm, the thumb points in the direction of conductor motion, and the other four fingers indicate the direction of the induced EMF in the conductor). The direction of force on the conductor is determined by the left-hand rule. This pair of electromagnetic forces forms a torque acting on the armature, known as electromagnetic torque in rotating motors. The direction of the torque is counter-clockwise, attempting to rotate the armature counter-clockwise. If this electromagnetic torque can overcome the resisting torque on the armature (such as resisting torque caused by friction and other load torques), the armature will rotate counter-clockwise.

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