Abstract
Tension control of press is a key and difficult point of the whole machine control. The stand or fall of tension is directly related to the quality of the products. According to the characteristics of the web press tension control, this paper expounds the main factors influencing tension and the purpose of tension control, researches on the tension control principle of web tape, analyzes control rule and control circuit of tension control system, illustrates the advantages of PID control law adopted in the tension control system, and concludes the influencing factors of paper tape tension control system and the corresponding problems needed to solve in the control.
Highlights
Introduction affecting the machine efficiency, increasing the intensity of labor, and affecting the quality of production
If tension control is inappropriate, fold folds and even transverse cuts of paper tape; when the and deformation occurs upon coil, influencing printing paper tape tension is too small, it can cause imprinting quality and causing waste of paper
There are many to improper installation, over-speed, long time of usage, reasons resulting in the change of paper tape tension and and etc
Summary
Introduction affecting the machine efficiency, increasing the intensity of labor, and affecting the quality of production. In the process of web press work, tension control of paper certain deformation of printing network, and longitudinal is quite important. The shear during the web press printing process, paper tape must interference transfers with the mechanical shaft, which have a certain tension, in order to control the movement results in the reduction of printing precision.
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