Method for wrapping a sheet of material and roll cutting device
A roller type, material web technology, applied in the direction of winding strips, thin material handling, transportation and packaging, etc., to avoid winding failures and improve the winding structure.
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[0086] According to the drum type winding equipment 1 of the present invention in figure 1 The preferred embodiment shown in is realized in conjunction with a drum cutting device designed as a carrier roll winding device. The basic components of the drum cutting device 1 are: an uncoiling device 4, a cutting section 6, and a winding mechanism 2 arranged in the area of the paper web roll-up, which is substantially the same in width as that provided on the drum cutting device 1. In the unwinding device, the paper web M of the same working width of the previous paper machine (not shown here) is withdrawn from the mother cylinder 5, and in the cutting section 6, it is possible to produce the webs M' The selected width specification divides the web M longitudinally according to the web running direction.
[0087] For this purpose, the cutting unit 6 usually comprises, as a basic component, a generally disc-shaped cutting device, shown here in the form of an upper knife 7 a and a...
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