Form： 2019/7/19Browse：60

This equipment is mainly used in the production of chemical fibre multi-stretching and crimping pretreatment. It consists of guide frame, eight-bar guide machine, hot water tank, first drafting machine, water bath, second drafting machine, steam box, third drafting machine, stacking machine, tension frame, crimping machine, crimping side plate motor, oil pump motor, vibration motor, circulating water pump and vibration. Inspection and other equipment composition. The scale of I/O control is 103 points, among which the input point of switching quantity is 61 points, the output point of switching quantity is 39 points, and the input point of analog quantity is 3 points. The main control requirements of Mitsubishi Q system are: speed of chemical fibre, drafting ratio, steam and water temperature, interlocking logic control and so on. The key of Mitsubishi Q system control is to ensure the guide wire, first drafting and second drafting. Speed synchronization of five motors: three-pull and winding.

Form： 2019/7/19Browse：60

The extruder adopts Mitsubishi programmable controller as the core control, combined with frequency conversion closed-loop control and touch screen debugging to solve the problems of current potentiometer speed regulation, inconvenient operation, poor stability and great improvement of the control level of the whole electronic control system, which reflects the development direction of electric control of extruder in China today. Mitsubishi's FA products have gained more and more customers'recognition through many years' use and good cost performance.

Form： 2019/7/19Browse：57

Roll forging transmission system is widely used in forging industry. The system consists of a roll forging machine and a manipulator conveying mechanism, which replaces the traditional free forging and manual feeding system. The roll forging transmission system improves the automation level, improves the product quality accuracy, reduces the labor intensity of workers and saves costs.

Form： 2019/7/19Browse：48

This paper discusses the safety protection function of the system composed of N:N network connection between Mitsubishi PLC (FX3GA) in the underground transportation system of coal mine.

Form： 2019/7/19Browse：46

In recent years, with the improvement of automation technology in China, factory automation has also taken a new step. As a new industrial controller, PLC has unique advantages in small size, complete functions, low price and high reliability, and has been widely used in various fields.