How to Solve Part Failure of Flat Press Flat Press

Die-cut indentation is an indispensable process in the carton printing process. As people's requirements for the quality of the outer packaging of goods are getting higher and higher, the quality of die-cutting indentation is bound to increase. Flat die-cutting die cutting currently has a large market share in the field of domestic die-cutting. Although its technology is very mature, it will inevitably lead to such problems. No matter in the paper feeding section, die-cutting part. In the scrapping section, or in the delivery section, there are many problems plaguing the packaging and printing industry practitioners.

Paper feeding section

The paper supply of the flattening and die-cutting die-cutting machine is mainly accomplished by Feida's paper-absorbing and paper-feeding operations. The paper is conveyed by means of a paper-feeding pressurizing roller, and the following failures occur in the feeding process.

1. Paper is unstable and needs to be adjusted frequently

The failure is mainly for the domestic die-cutting machine, because the majority of home-made die-cutting machine does not use the belt with suction, easily lead to unstable paper, paper positioning accuracy is not high, the paper guide roller, transport belt, pressure Paper hair wheel, front gauge stopper. Lateral stoppers are easily worn. Paper knocking, edge punching, and adjustment during paper feeding can effectively solve this problem.

2. Unable to feed paper

There are several reasons why paper feeding may not be smooth, mainly due to paper deformation, the print surface being too smooth or caused by other mechanical problems.
(1) Paper feeding is not smooth due to paper deformation

Since die-cutting is a process at the very end of the entire printing process, the paper is easily deformed after processing through several processes, especially after high-temperature, high-pressure glazing. After the film is coated, the deformation of the paper is more serious. At this time, feeders often can't jively feed paper.

(2) The paper feeding is not smooth because the surface of the print is too smooth

The products coated with glazing will cause some difficulties for paper feeding due to its smooth surface. For the above two cases, experienced operators will make preliminary preparations before loading paper, such as loading paper, adding some wooden wedges or paper rolls to keep the paper flat and pre-fighting when loading paper. Cutting edge, knocking on the paper or reducing the speed of the die cutting machine can generally avoid this problem.

(3) Difficulty in feeding paper due to mechanical failure

Inadequate suction from Feida's suction nozzle, improper position from the upper plane of the stack, and inaccurate positioning of the rules may cause mechanical failures such as diagonal sheets, double sheets, and empty sheets during the feeding process. As long as the maintenance of the die-cutting machine and the adjustment of the mechanical parts are performed properly, the paper-feeding difficulties caused by mechanical failures will be avoided. Return packaging net news homepage