What Are the Benfits of Industrial sewing machines about Asynchronous Motor?

- Mar 27, 2020-

Industrial sewing machines have important applications in the textile industry. In usual, industrial sewing machines are driven by electric motors, and clutch motors are most widely used on sewing machines. Compared with other advanced motors, clutch motors have the disadvantages of high energy consumption, high noise, high vibration, and high temperature rise. However, due to their advantages of low price, it is difficult to be replaced by other motors for a long time. Therefore, by optimizing the clutch motor well, it is of great significance to improve its working efficiency and reduce energy consumption. 

the motor of industrial sewing machine

The single-phase asynchronous motor of industrial sewing machine is improved, and the energy-saving controller is designed, which can effectively improve its energy utilization efficiency, and at the same time improve the intelligence and energy-saving level of the industrial sewing machine controller.

In industrial sewing machines, the motor is an important component. There are many types of motors that can be applied, and the clutch motor is the most widely used one. The clutch motor is driven by a single-phase power supply and is an asynchronous motor. The principle of its operation is as follows: What is generated by the single winding on the stator is the pulse magnetic potential, and the decomposition results are the rotating magnetic potential with the same amplitude in the positive and negative sequences. Traditional clutch motors need to transfer power through clutches during the work process. This makes the motors always running when the industrial sewing machine is in operation or in standby after it is turned on. This will cause the motor to run for a long time.

In the no-load state, the work efficiency is low and a lot of energy is wasted. The clutch motor has obvious disadvantages, that is, the output efficiency is relatively low, and usually the output power can only reach about 40% of the input power. In the working process, the output power of the motor does not change according to the thickness of the fabric being sewn, but it always maintains the output of full power. When the sewing machine is in standby, the motor is still running. At this time, the motor The clutch will be released from the load to run without load, causing a lot of waste of energy. In addition, the traditional clutch motor also has the following other problems, including the nominal is too large, the voltage is too high, the operating cycle often changes, etc., due to these defects, it is easy to appear relatively large vibration and low operating efficiency. And with temperature rise, motor not only consumes a lot of energy, but also has a high failure rate, which results in a longer shutdown time. This will reduce the service life of the motor and increase the cost of motor maintenance.

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