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How does the upper and lower cutting of the A4 paper cutting machine occur

How does the upper and lower cutting of the A4 paper cutting machine occur

A4 paper cutting machine is a kind of paper processing equipment, which is an indispensable production equipment for printing enterprises. With the continuous development of printing technology, the technology of paper cutter is changing with each passing day, and the speed, precision and automation level have been improved unprecedentedly. Next, the editor will share with you how the situation of the upper and lower knives of the A4 paper cutting machine occurred.

A4 paper cutting machine

1. The reason for the blade
Normally, the blade is parallel to the plane of the platform. When the blade is too high or too low, it is also prone to the phenomenon of upper and lower blades. At this time, the blade should be adjusted so that it is parallel to the plane of the platform.
2. The knife is dull
When I cut, I have to grasp the cutting amount, change the knife frequently, and use a fast knife. If the knife is too dull, it will not only affect the quality of fine cutting, but also affect the accuracy and life of the machine, and mechanical accidents will occur in serious cases.
3. The angle of the blade is not adjusted correctly
The angle of the blade should be determined according to the paper to be cut. For thin, loose, and soft paper, the blade angle should be small, generally 25~30* thick and hard paper, and the blade angle should be large, and one strand is 30-35. Otherwise, it is easy to The phenomenon of upper and lower knives occurs, and blade dulling is accelerated.
4. The plane of the feeder (commonly known as the backer) is not perpendicular to the plane of the platform
The plane of feeding paper frost is commonly known as the mountain is not perpendicular to the plane of the platform, and the phenomenon of upper knife and lower knife occurs. The angle of the two planes needs to be readjusted with a square.
5. The gap between the tool seat and the slider is too large
When the eagle is damaged or improperly adjusted, the gap between the knife seat and the slider of the A4 paper cutting machine is too large, resulting in the instability of the knife seat, which will cause the phenomenon of upper knife and lower knife. At this time, it is necessary to re-adjust the tension between the force base and the slider.
 

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