Torque motor is a special type of brushless permanent magnet synchronous motor. Since the load is directly connected to the rotor and no transmission parts are required, the torque motor belongs to the direct-drive motor.
The following is the difference between torque motor and servo motor:
Different performance
1. Torque motor: a special motor with more poles. The motor can continue to operate at low speed or even locked rotor (that is, the rotor cannot rotate) without causing damage to the motor. In this working mode, the motor can provide stable torque to the load. The structure is relatively reliable, easy to maintain, easy to operate and operate.
2. Servo motor: it can control the speed and position accuracy very accurately. The voltage signal can be converted into torque and speed to drive the control object.
Different principles
1. Torque motor: it is allowed to operate at low speed for a long time (even blocked), and its heat is very serious. It is usually forced to cool with an additional blower. When using the torque motor, pay attention to check whether the blower operates well. There should be a good ventilation environment around it, and no dry inflammables are allowed. Flammable dust or volatile combustible oil, etc.
2. Servo motor: an automatic control system that enables the position, orientation, state and other output controlled variables of the object to follow the arbitrary changes of the input target (or given value). The servo mainly depends on the pulse to locate. Basically, it can be understood that when the servo motor receives one pulse, it will rotate the corresponding angle of one pulse to realize displacement.
Source: Senli Motor