Aris motor Germany Aris model Aris price

Aris motor refers to the engine that controls the operation of mechanical components in a servo system; it is an auxiliary motor indirect speed change device. Servo motors can control speed with very accurate position precision, converting voltage signals into torque and rotational speed to drive controlled objects. The rotor speed of a servo motor is controlled by the input signal and responds quickly. In automatic control systems, it serves as an actuator, featuring small electromechanical time constants and high linearity, converting received electrical signals into angular displacement or angular velocity output on the motor shaft. They are divided into two main categories: DC and AC servo motors. Their main characteristic is that there is no self-rotation when the signal voltage is zero, and the speed decreases uniformly as torque increases.

Aris 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 various sectors of the national economy. Metal cutting machine tools, steel rolling equipment, blowers, crushers, water pumps, oil pumps, light industry machinery, textile machinery, mining machinery, etc., mostly 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 drives, the vast majority of drive motors are asynchronous motors, accounting for approximately 60% of the total grid load. The widespread application of asynchronous motors is due to their simple structure, ease of use, reliable operation, high efficiency, ease of manufacturing, and low cost. The speed regulation performance of asynchronous motors themselves is relatively poor; DC motors are generally used in occasions requiring a wide and smooth speed regulation range. In the past one or two decades, AC speed regulation systems for asynchronous motors, developed based on power electronic devices and microcomputers, have improved the speed regulation performance of asynchronous motors, thus expanding their applications. During operation, asynchronous motors must absorb reactive power from the grid, which deteriorates the power factor of the grid. Since the grid's power factor can be compensated by other means, this does not hinder the widespread use of asynchronous motors.

Aris motor fault handling

Incorrect motor winding connections result in an incomplete rotating magnetic field, causing symptoms such as difficult starting, unbalanced three-phase current, and high noise. If not handled promptly, severe cases can burn out the windings. The main situations include: one or several coils in a pole phase inserted incorrectly or head/tail connections reversed; pole (phase) groups connected in reverse; a certain phase winding connected in reverse; multi-path parallel winding branches connected incorrectly; incorrect "Delta" or "Y" connection. 1. Fault phenomena: the motor cannot start, no-load current is excessively large or unbalanced, temperature rises too quickly, or there is severe vibration with loud noise, and blown fuses. 2. Causes: mistakenly connecting "Delta" type as "Y" type; during maintenance, one of the three-phase windings has its head and tail reversed; inappropriate tap position selection for reduced-voltage starting or internal wiring errors; incorrect winding connections when new motors are wound; incorrect identification of leads in old motors. 3. Inspection methods: (1) Ball bearing method. If the ball rotates and rolls along the inner circumferential surface of the stator, the connection is correct; otherwise, there is a wiring error. (2) Compass method. If the windings are not connected incorrectly, the polarity indicated by the compass should be opposite when passing adjacent pole (phase) groups in one phase winding, and also opposite for adjacent different phase pole (phase) groups in three-phase windings. If the polarity direction remains unchanged, it indicates that one pole (phase) group is reversed; if the direction is indefinite, there are reversed coils within the phase group. (3) Multimeter voltage method. According to the wiring diagram, if the voltmeter shows no indication in both measurements, or shows a reading in one measurement and none in the other, it indicates reversed windings. (4) Other common methods include the dry battery method, milliammeter residual magnetism method, and motor rotation direction method. 4. Handling methods: (1) If a coil or coil group is connected in reverse, the no-load current will be significantly unbalanced, and it should be returned to the factory for repair. (2) If lead wires are incorrect, correctly identify the head and tail and reconnect. (3) If reduced-voltage starting connections are incorrect, carefully verify against the wiring or schematic diagram and rewire. (4) If wiring is incorrect after new motor winding or rewinding, send to factory for repair. (5) When one phase of the stator winding is reversed, the current in that phase is particularly high; use this characteristic to locate the fault and perform repairs. (6) If "Y" type is connected as "Delta" type or the number of turns is insufficient, the no-load current will be high; correct it promptly. How to measure the identical ends of the six lead wires of a three-phase asynchronous motor using a dry battery and a multimeter.

Aris motor maintenance methods

The radial gap between the motor rotor and stator is called the air gap. Generally, the air gap of a motor is between 0.25-0.8mm. After disassembling the motor and troubleshooting, ensure assembly according to the original end cover marks to prevent rotor-stator rubbing after reassembly. If the noise of brushed geared hub motors or brushless geared hub motors increases, or if gears inside the motor are replaced, apply grease to all gear tooth surfaces, typically using No. 3 grease or manufacturer-specified lubricant. Before assembling brushed motors, check the elasticity of the springs in the brush holders, check for friction between carbon brushes and brush holders, ensure carbon brushes can reach maximum travel within the holders, and pay attention to the correct positioning of carbon brushes relative to the commutator to avoid jamming or damaging the brushes or holders.

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