Servo motor is prone to low-frequency vibration at low speed. The vibration frequency is related to the load condition and driver performance. It is generally considered that the vibration frequency is half of the no-load take-off frequency of the motor. This low-frequency vibration phenomenon determined by the working principle of servo motor is very unfavorable to the normal operation of the machine. When the servo motor works at low speed, damping technology should generally be used to overcome the phenomenon of low-frequency vibration, such as adding damper on the motor or subdivision technology on the driver. At present, most servo motors used in computerized embroidery machines are five phase hybrid servo motors. The purpose is to reduce the step torque angle and improve the control accuracy by using stepping motors with high phase number, but the improvement of performance obtained by this method is limited And the cost is relatively high. Using subdivision drive technology can greatly improve the operation quality of servo motor, reduce torque fluctuation, suppress oscillation, reduce noise and improve step torque resolution. If the reactive servo motor is adopted, the performance can be significantly improved and the cost of the product can be greatly reduced. Servo motor is widely used in the industry. The following is a brief introduction: 1 It is widely used in ATM machines, inkjet machines, lettering machines, photo machines, spraying equipment, medical instruments and equipment, computer peripherals and mass storage equipment, precision instruments, industrial control systems, office automation, robots and other fields. It is especially suitable for applications requiring stable operation, low noise, fast response, long service life and high output torque. 2. Servo motors are widely used in textile machinery and equipment such as computerized embroidery machines. These stepping motors are characterized by low torque, frequent start-up, fast response, low running noise, stable operation, good control performance and low cost.
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