A wide-width copper foil anti-tightening guide roller, electrolytic copper foil slitting machine
A technology of electrolytic copper foil and guide roller, which is applied in the direction of thin material processing, metal processing, and sending objects, and can solve the problems of no wrinkling of large and wide foils, difficulty in grasping force, and frequency reduction.
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[0034] 1. Discovery of the problem
[0035] As mentioned in the background technology: when the copper foil is slitting, the copper foil will be tightened towards the middle for a large width of the foil during slitting, and the copper foil roll will wrinkle.
[0036] After a lot of data analysis: when the copper foil obtained by slitting is more than 800mm, it is very easy to wrinkle. For example: 1400mm original foil, cut into three parts: 300mm+800mm+300mm, the 800mm copper foil cut part will appear wrinkle, while the 300mm copper foil has a lower probability of wrinkle.
[0037] In other words, the smaller the width of the slit copper foil, the lower the possibility of wrinkling.
[0038] 2. Reason analysis
[0039] What is the reason for the wrinkling of the above-mentioned copper foil surface:
[0040] 1) For the slitting machine, the copper foil needs to pass through 7-9 axes from unwinding to winding, that is, the number of passing axes is relatively large;
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