Tension zone control principle of gravure printing machine
The tension control of the tension zone of the gravure printing machine adopts the principle of differential speed, and the system adjusts the tension of the paper by controlling the running speed of the paper feeding tension roller and the paper output tension roller.
The tension control of the tension zone of the gravure printing machine adopts the principle of differential speed, and the system adjusts the tension of the paper by controlling the running speed of the paper feeding tension roller and the paper output tension roller.
The tension control of the uncoiling tension zone is mainly completed by the uncoiler. Tension control is one of the main functions of the uncoiler, so the control principle of the tension zone is consistent with the working principle of the uncoiler. The closed-loop control system is composed of a clutch, a tension roller and a tension controller.
The printing tension zone is an important part of the intaglio printing press tension control system and the key to ensure the printing registration accuracy.
The tension control of the tension zone adopts the principle of differential speed, and the system adjusts the tension of the paper by controlling the running speed of the paper feeding tension roller and the paper exit tension roller.
At present, most of the gravure printing press feeding tension roller is synchronized with the printing press running speed, the output tension roller shaft end is connected with the stepper motor, in order to achieve differential speed control.
The tension control of the slitting tension zone is also very important. If the slitting accuracy is not reached due to unstable tension, it will be discarded.
For this reason, the tension zone is generally controlled in the same manner as the printing tension zone.
Its basic speed is the running speed of the printing group and the paper tension roller, and the shaft end of the paper roller of the slitting group is connected with a stepping motor to realize differential speed control.
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