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深圳印刷廠-畫冊印刷-包裝盒定做-包裝廠家-深圳步殼印刷廠

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瓦楞盒生產過程中的塌楞故障

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-12-24 | 602 Views | Share:
塌楞是指瓦楞紙在裱合2min後兩邊的楞展平伸長,在膠黏劑好的情況下,兩邊還可以黏合,如膠黏劑質量不好,還會造成兩端嚴重開膠。

瓦楞盒生產過程中的塌楞故障

塌楞是指瓦楞紙在裱合2min後兩邊的楞展平伸長,在膠黏劑好的情況下,兩邊還可以黏合,如膠黏劑質量不好,還會造成兩端嚴重開膠。

產生這種故障的主要原因


①瓦楞的方向與裱紙的絲縷方向不平行


②瓦楞原紙施膠度不夠,伸長率大,造成膠液還未在楞上形成
膠膜就滲進紙張纖維中,使纖維伸長,造成塌楞和大面積開膠。


瓦楞紙在使用前可進行質量檢測
,方法是用手指蘸少許水輕
點在瓦楞紙板上,觀察其滲透速度,反復幾次,6s後滲透的瓦楞紙經實踐證明可認為是合格的。

瓦楞盒生產過程中的塌楞故障
瓦楞盒生產過程中的塌楞故障

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