Promicon motor, Germany Promicon model, Promicon price

The Promicon motor is equipped with a set of adjustable eccentric weights at each end of the rotor shaft. The centrifugal force generated by the high-speed rotation of the shaft and eccentric weights provides the excitation force. Vibration motors have a wide vibration frequency range; only when the excitation force and power are properly matched can mechanical noise be reduced. Vibration motors are classified into six categories, including by starting and operating mode, and by operating speed.

Promicon motor structure

Motor structure: 1, flat-type single-sided long-stator electromagnetic linear synchronous motor. Between the mover and stator of the flat-type single-sided long-stator linear synchronous motor, there is tangential driving force and normal attractive force. Motor excitation can be changed by adjusting the current magnitude in the mover pole windings. During operation, the long stator windings are switched on in segments. Since only part of the area under each energized stator segment is covered by poles, the leakage reactance of the stator windings is relatively large. Part of the supply voltage is used to overcome the leakage reactance voltage drop. 2, cylindrical linear synchronous motor. A cylindrical linear synchronous motor is a cylindrical linear motor with an appearance similar to a rotary motor. These linear motors are generally of the short-primary, long-secondary type. 3, permanent magnet linear synchronous motor. Permanent magnet linear synchronous motors use permanent magnets for excitation, combining the characteristics of both permanent magnet motors and linear motors. Compared with linear induction motors, permanent magnet linear synchronous motors have higher mechanical performance indicators, smaller size, lighter weight, and regenerative braking capability. The main disadvantages are higher cost and more complex control. 4, hybrid excitation linear synchronous motor. Among linear synchronous motors, there are also excitation systems that combine high-performance permanent magnets with electrically excited coils, also known as controllable permanent magnet linear synchronous motors. Their main feature is that basic excitation is provided by permanent magnets, while dynamic adjustment is achieved through electrical excitation, highlighting the advantage of controllability.

Promicon motor mechanical characteristics

Motor features: low moment of inertia, low starting voltage, low no-load current. By abandoning the contact commutation system, the motor speed is greatly increased, with a maximum speed of up to 100 000rpm. Brushless servo motors can achieve control of speed, position, torque, etc., without an encoder during servo control. There is no brush wear; in addition to high speed, they feature long life, low noise, and no electromagnetic interference. Features of DC brushed servo motors: 1. Small size, fast action and response, high overload capacity, wide speed regulation range. 2. High torque at low speed, small fluctuation, smooth operation. 3. Low noise, high efficiency. 4. Rear encoder feedback (optional) forms advantages such as DC servo. 5. Wide voltage transformation range, adjustable frequency. DC servo motors can be applied in spark erosion machines, manipulators, precision machinery, etc. They can be configured with 2500P/R high-resolution standard encoders and tachometers, and can be additionally equipped with gearboxes, bringing reliable accuracy and high torque to mechanical equipment. Good speed regulation, highest output power per unit weight and volume, greater than AC motors, and far exceeding stepper motors. Multi-stage structure has small torque fluctuation. Servo motors are used in closed loops. This means they constantly send signals to the system and correct their operation based on signals from the system. Servo motors can also be controlled by microcontrollers.

Promicon motor mechanical characteristics

Motors are widely used in electric vehicles because they have the following two advantages compared to traditional brushed DC motors. (1) Long life, maintenance-free, high reliability. In brushed DC motors, due to the high motor speed, brushes and commutators wear out quickly, and brushes generally need to be replaced after about 1000 hours of operation. In addition, the technical difficulty of the reduction gearbox is relatively high, especially the lubrication of transmission gears, which is a major problem in brushed solutions. Therefore, brushed motors have problems such as high noise, low efficiency, and prone to failure. Thus, the advantages of brushless DC motors are obvious. (2) High efficiency, energy saving. Generally speaking, since brushless DC motors do not have friction losses from mechanical commutation, gearbox consumption, or speed control circuit losses, efficiency can usually exceed 85%. However, considering the best cost-performance ratio in actual design and to reduce material consumption, they are generally designed for 76%. The efficiency of brushed DC motors, due to consumption by the gearbox and overrunning clutch, is typically around 70%.

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