How To Ensure the Quality of Sub-cut Film

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It is important to note the quality of the cutted film in composite film production. Each operator not only has to grasp the reasons affecting the slitting film quality, but also as soon as possible to exclude these problems. At the same time also know the tolerance of the cut film thickness, film rewinding situation, which have an important impact on slitting.

Eight Factors Influencing Slitting Film Quality:

1, relaxation of film flatness

2, gravitational force of rewinding film

3, displacement caused by skew film roll

4, relaxation caused by rewinding

5, axial displacement of the longitudinal cutter

6, tracking of reel and rewinder diameter changes

7, correction of unwinding or rewinding

8, Longitudinal slitting line

The Technological Measures of Ensuring the Quality of Cutting Products:

1, ensuring a stable tension

2, flatness of the film

3, be absolutely aware of tool settings and performance

4, control the feed process according to the production process requirements

5, make sure the sensor is working properly

6, control the accuracy of the corrector

7, tracking from calibration to sub-cutter mainly

In the normal production of slitting, do not think that the precise positioning of the film will help the cutter automatically correct position. It may occur many problems in the porduction from the correction to the sub-cutter tracking. However, as long as the film path is maintained, ideal tension for standard cylindrical reels, acceptable traction force and high quality unwinding position will help to avoid error on film movement during the process.

AfterPrinting aims to offer solution in the post-press finishing, any question or guidance on operating, feel free to contact us, and we woudl spare no efforts to offer solution for you.