伟德(bevictor)国际官方网站 - 源自英国始于1946

A servo motor refers to an engine that controls the operation of mechanical components in a servo system, and is an indirect variable speed device that supplements the motor.

Servo motors can control speed and position accuracy very accurately, and can convert voltage signals into torque and speed to drive control objects. The rotor speed of a servo motor is controlled by input signals and can react quickly. In automatic control systems, it is used as an actuator and has the characteristics of small electromechanical time constant and high linearity. It can convert the received electrical signal into angular displacement or angular velocity output on the motor shaft And an encoder is a device that encodes and converts signals (such as bit streams) or data into signal forms that can be used for communication, transmission, and storage. The encoder converts angular displacement or linear displacement into electrical signals, the former is called a encoder and the latter is called a ruler. According to the reading method, encoders can be divided into two types: contact type and non-contact type; According to the working principle, encoders can be divided into two categories: incremental and absolute. An incremental encoder converts displacement into a periodic electrical signal, which is then converted into count pulses to represent the magnitude of displacement in terms of the number of pulses. Each position of the absolute encoder corresponds to a specific digital code, so its indication is only related to the starting and ending positions of the measurement, and not to the intermediate process of the measurement. What are the symptoms, causes of damage, and precautions for the servo motor encoder when using a servo motor?

1. Fault phenomenon of servo motor encoder

Due to improper loading and unloading, as well as stress, the encoder encoder disc may break or wear out

2. Reasons for damage to servo motor encoder

2.1 Due to abnormal external forces acting on the motor shaft, the encoder encoder disc moves along with the shaft, causing friction, wear, and even breakage with the light receiving mirror surface

2.2 During the installation or transportation of the motor, if it falls or collides, it may cause radial force on the motor, resulting in wear and even breakage of the encoder encoder disc in contact with the light receiving mirror surface

3. Precautions for servo motor encoder

3.1 Do not use excessive external force to strike the motor shaft when installing the motor.

3.2 When moving or using the motor, do not throw or discard it randomly to avoid the encoder encoder disc shifting with the axis, which may cause friction and wear between the encoder disc and the light receiving mirror surface, or even crush the encoder disc.

3.3 Due to insufficient concentricity of mechanical load installation, it is equivalent to applying an axial load exceeding the specified value, resulting in abnormal stress on the bearing, misalignment of the encoder, wear, and even rupture.

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