A non-adhesive process for material-free backing roll cutting and non-adhesive

Abstract

The invention provides a non-adhesion cutting technology for a substrate-free back adhesive roll. The technology comprises steps as follows: the substrate-free back adhesive roll clamped on a spindle rotates synchronously with the spindle, a cutting circular knife is fed and retracted in the direction perpendicular to the spindle of the substrate-free back adhesive roll, and rotating directions of a cutting edge of the cutting circular knife and the substrate-free back adhesive roll at a cutting point are opposite; the thickness of a double-sided adhesive tape on the substrate-free back adhesive roll is smaller than 0.1 mm; the rotating speed of the spindle is constant and is 700-750 r / min; the rotating speed of the cutting circular knife is constant and is 450-550 r / min, and the cutting circular knife is fed for cutting according to width of one-time cutting sequentially; the circular knife is not cooled in any one fed cutting process of the cutting circular knife; the thickness of the cutting edge of the cutting circular knife is 0.3-0.5 mm; the cutting angle of the cutting circular knife is -3 to 1 degree. The technology at least has the advantages of being simple to operate, greatly saving manpower and working hours, being high in adhesive removing cleanliness, high in efficiency and high in productivity, greatly facilitating industrial large-scale production and the like.

Description

technical field [0001] The invention relates to a material-cutting and non-adhesive process for a back adhesive roll without a base material. Background technique [0002] As an example to facilitate the production and processing of the original manufacturer, the non-substrate back film is long tube when it comes out of the original factory, and the downstream manufacturers usually need to cut the material again to cut it into a small width that we see in the market. finished product for use or sale. When cutting the back film without base material, the spindle speed is about 400r / min, the rotating speed of the round knife is 450r / min, and the feed speed is 5-7mm / s. The knife adopts cooling measures. Through this common cutting parameter setting, although the cutting speed is fast, the cut surface of the cut product often has double-sided adhesive sticky due to heat overflow. In order not to affect the use, it is often necessary to pass each section of the cut product thro...

AI Technical Summary

Problems solved by technology

This manual deglue processing method by electric grinding wheel is time-consuming, laborious, low work efficiency, and the cleanliness of deglue is not high, which is not conducive to industrial mass production

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