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3m Tape

3m Tape

Rewinding Machine safety operation guide - 

First, prepare for work after taking over:
1. It is necessary to arrive at the post, check, and original record 15 minutes earlier. Comprehensive understanding of the above
The operation of a class of equipment, the quality of rewinding and safety.
2. Understand whether the previous class of paper is good; whether the class changes specifications, the weight and change
time. Check if the shift is cleared in the previous shift.
3, the middle and night shift rewinders must check whether the rewinding paper core tube and packaging materials are adequate.
4,Report the handover to the squad leader

3m Tape

Four release and one rewinding machine operation program ---

6. Check if the power indicator on the outside of the tension control cabinet is lit.
7. In the touch screen, you need to input or rewrite the following parameters:
1 counting length is cleared (if it is necessary to re-measure the length);
2 automatic acceleration speed (refers to the speed we reach after the automatic acceleration of the machine after pressing the acceleration button delay)
3 Automatic acceleration time (refers to the time required for the machine to automatically accelerate from zero speed to the design of the highest machine speed. The shorter the time setting, the faster the acceleration.)
8. Tension control: Set the tension of each discharge motor in the touch screen. The discharge motor mainly provides a reverse torque, generates tension on the paper surface, keeps the paper web flat, and the speed control of the discharge motor is a process of gradually increasing speed, but the line speed remains unchanged.
9. Each console has its own power switch, which can be switched on and off as needed.
10. The forward and reverse running buttons are set on the console, and the user can select the running direction according to the needs.
 

3m Tape

Rewinder mechanical structure and control process ---

 

Second, the main structure of the winder

2.3 Rolling Department

3, unloader
Nowadays, with the increase of the speed of the winder, most of the winders are equipped with unloaders, which are used to push the rolled paper rolls from the support rolls and unload them on the ground. It has many forms, the most common ones are the unwinding station and the unwinding pendulum. Its control mainly depends on air pressure or hydraulic pressure. The thief of the unwinder can be selected according to the number of operators, the size and quality of the core. The advanced foreign rewinding machine can automatically control the positioning of the mandrel and mandrel and the cutting of the paper, which can save auxiliary operation time and improve production efficiency.
4, transmission mechanism
The speed of the paper-feeding machine of the winder is generally about 15 to 40 m/min. In the process of raising the speed of the paper from low, we require the speed of the vehicle to rise, so that the paper roll can be avoided due to the fluctuation of the tension. The tightness is inconsistent. Uniform acceleration is required for breakage or shutdown. During the acceleration process, the average acceleration is usually 0.23~0.37m/s, and the acceleration time is usually 50~60s. In the braking process, the deceleration is 0.42~0.75m/s and the braking time is 40s. In order to meet the shifting requirements of the winder, most of the rewinding opportunities are driven by DC motors. In the previous rewinding system, a DC motor generally controlled two supporting rollers, and in the current rewinding machine, Development and research have started with two separate motor control rolls, which can control the speed difference between the two rolls, which is beneficial for taking up the appropriate tightness of the paper roll.

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