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newspaper Printing security and timeliness of decision printing can not just stop. Therefore, how to ensure the safety and continuity of the paper in the high-speed operation of the printing press is particularly important. The Goss Newsliner 90 high-speed rotary press (hereinafter referred to as "N90 machine") is one of the fastest printing presses in the domestic newspaper printing industry. The author analyzes the working principle of the N90 machine (1562mm paper type) and commonly used three A comparison of the types of paper picking methods, scientific discussion on the best paper picking method of the N90 machine.
Big triangle way
The big triangle method is to tear the new paper roll joint into an isosceles trapezoid. The angle between the edge of the paper and the core of the roll is 45°. Then, the "3M" double-sided tape and the Gaussian recommended Tesa are attached to the two edges. Double-sided tape. Since the new paper roll is accelerated by two tension paper arms, to prevent the paper from sticking to the tension belt, a "sticker" should be placed on the paper-to-belt contact area.
Small triangle way
The small triangle method is to tear the new paper roll joint into a "V" type, the angle between the edge of the paper and the core of the roll is 45°, and then attach "3M" double-sided tape and Desa double-sided tape on both edges. In consideration of the adhesion fastness, the "3M" double-sided tape should also be adhered to the edge of the tension belt area.
Oblique word
The oblique wording method is to tear the new paper roll joint into a diagonal "one" with an angle of 15° to the core of the web, and then attach the Tessa double-sided tape to the edge. Since the new paper roll is accelerated by two tension paper arms, to prevent the paper from sticking to the tension belt, attach a "sticker" to the belt contact area.
The above content is selected from Keyin Media. Printing Technology ·Digital Graphic Arts , No.7, 2012, please pay attention to the journal channel for more journal content, and click on the latest journal content to enter the electronic journal channel of Keyin.com.
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