Is the slitting machine misaligned?

Time:

Apr 14,2021

Slitting MachineMisalignment refers to the phenomenon where part of the film is misaligned on the end face of the film roll, caused by sliding misalignment during the winding process.

1.Slitting MachineCauses and countermeasures of misalignment:

1The misalignment of the slitting machine and the uneven end face belong to the same category of slitting quality issues. In terms of severity, misalignment is more serious than the degree of uneven end faces; in terms of nature, uneven end faces are generally a persistent issue, while misalignment is often an occasional problem. Analyzing the causes, the reasons for uneven end faces can also lead to the occurrence of misalignment.

2)Since misalignment is more pronounced than the degree of uneven end faces, the focus when analyzing uneven end faces should be on the finer details, while the focus when analyzing misalignment should be broader, especially paying attention to the impact of slitting speed. Rapid acceleration or deceleration can easily cause sliding and misalignment in films with good smoothness, so it is advisable to slow down the slitting speed.

3)If the film roll is wound too tightly, it can cause lateral sliding of the film, while if the film roll is too loose, it can lead to air being drawn in, both of which can cause misalignment of the film roll's end face. The winding tension should be adjusted.

The difference between the edge burr and the curled edge of a film slitting machine.

The edge of the film slitting machine is uneven.

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