Jumbo Roll Paper Slitter Rewinder

Jumbo Roll Paper Slitter Rewinder

Rewinding Machine operating procedures - Preparation for rewinding.
1. The crane operator and the rewinding personnel first check whether the information on the parent roll tracking slip on the base paper meets the requirements of the technical standards, specifications and specifications.
2. Check whether the labels of various paper diseases on both ends of the base paper roller are clear and consistent with the contents on the tracking sheet.
3. The crane operator should operate carefully according to the safe operation rules of the driving.
4. Place the base paper roll on the unloading frame smoothly, place the drum groove on the shaft head, place the track groove in the locked position, and connect it with the hydraulic coupling.
5. Jog the left and right shift buttons of the exit tray to bring the ends of the web to a position that can be trimmed (to be threaded).
6. The operator should make a detailed record of the paper (such as shift, shift, production date, roll time and paper roll code, etc.).

Jumbo Roll Paper Slitter Rewinder

Rewinder mechanical structure and control process ---

 

Second, the main structure of the winder

2.4 Pressure mechanism
1, the platen roller
First, in the rewinder system, the platen roller has a significant impact on the tightness control of the paper roll. Among them, the pressure adjusting mechanism plays a role of keeping the pressure of the paper roll and the supporting roll nip constant, and the main purpose is to prevent the paper roll from slipping or being wound too tight at the beginning of the work. The paper roll slips because the paper roll is too light, and the winding is too tight because the pressure is too high until the rewinding to the later stage. In the modern rewinder system, the platen roller is automatically controlled, so that the paper can be additionally applied. The force.
2. Hydraulic (air pressure) suspension mechanism
Under normal circumstances, the adjustable pressure actuators use hydraulic suspension scale mechanism. We install a potentiometer attached to the platen roller to display the diameter of the finished paper roll, which is sent through the potentiometer. The signal is transmitted to the pressure program control unit to calculate the pressure, so that the oil pressure in the suspension scale can be changed, thereby achieving pressure control of the platen roller.

Jumbo Roll Paper Slitter Rewinder

Rewinder mechanical structure and control process ---

Fourth, summary
This chapter mainly introduces the mechanical structure of the double-backed roller rewinding machine, the working principle of the rewinding machine, the quality index and control performance index of the finished paper roll, and mainly analyzes the process of the rewinding machine from non-electrical convenience. Through the introduction of the quality index and control performance indicators of the finished paper roll, we can clearly understand that in order to optimize the quality of the paper roll, we understand the control system control objectives. Detailed analysis from the mechanism of operation: automatic program control of platen roller pressure; automatic program control of support roller torque; automatic tension control; electric drive "flexible" start and appropriate speed program control .

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