There are many occasions

There are many occasions for speed regulation of metal processing machinery, including cold rolling machinery, hot rolling machinery, edging machine, roller forming machine, etc. due to different processing materials, different rotating speeds are required. Therefore, there are many opportunities to adopt frequency conversion speed regulation. However, the effect of general VF control or space vector control is not good, because the speed of addition and subtraction is not fast enough, The results of insufficient low-speed torque and speed accuracy. if frequency converter wants to be used successfully in metal processing machinery, there must be two round duct machine important considerations: one is to select the products without speed sensor vector control; the other is to design overspeed operation to improve low-speed torque. universal pi-3000g inverter adopts speed sensorless vector control technology, At low speed, the motor has high torque, high speed accuracy, reasonable price and complete functions. It can automatically detect the dynamic operation parameters of the motor and make corresponding adjustments to ensure that the motor operates at Zui rate. Especially, the puchuan pi-3000z series products are specially designed for impact load, so it is the best choice for Zui machine tool industry. in the application of metal processing machinery, We found that the jitter problem during fast starting is an important performance. Through good duct lock forming machine parameter setting, the mechanical jitter problem can be well solved. in the modern man-machine interface system, the universal PI-3000 inverter has RS-485 communication interface, and can also use modern communication systems such as modobus, It is an ideal driving device for metal processing machinery. some metal processing machines currently use domestic frequency conversion of other brandsThe starting speed can not meet the requirements, This is the fast response characteristic of speed sensorless vector control. many machine tool drives which require less precision are currently using the imported brand vector control inverter with speed loop and special motor for frequency conversion, so the purchase cost is very high; Try to use the universal pi-3000z series speed sensorless vector control technology, and the elbow making machine frequency converter is found to be able to be used smoothly; customers can reduce the cost by about twice, and have a high degree of trust, so as to create more benefits for customers

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