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影响瓦楞纸箱纸板平整度的主要原因!

来源:http://www.gtmfpack.com 发布时间:2021-02-20

瓦楞板纸平整度是瓦楞纸箱出产技术中的重要目标之一,它直接关系到产品印刷、模切或开槽切角的质量。瓦楞板纸平整度差,会发生瓦楞纸板多种拱形状、机械化吸附式送印时容易卡住及造成纸板作废而被迫停机收拾。那么究竟是何原因,影响瓦楞纸箱纸板平整度的呢?下面小编就此问题进行分析。
The flatness of corrugated paper is one of the important goals in the production technology of corrugated box, which is directly related to the quality of product printing, die cutting or slotting. Due to the poor flatness of corrugated board, there are many kinds of arch shapes of corrugated board, which are easy to get stuck in the process of mechanical adsorption printing, and the cardboard will be discarded and forced to stop for cleaning. So what is the reason that affects the flatness of corrugated cardboard? The following is an analysis of this issue.
影响瓦楞纸箱纸板平整度的主要原因如下:
The main reasons that affect the flatness of corrugated cardboard are as follows:
1、面里纸品种、等级不同。有进口、国产牛皮纸、仿牛皮纸、瓦楞纸、茶板纸、高强度瓦楞纸等,又分A、B、C、D、E、级。按纸质差用料,一般面纸比里纸好些。
1. The varieties and grades of the paper are different. There are imported, domestic kraft paper, imitation kraft paper, corrugated paper, tea board paper, high-strength corrugated paper, etc., also divided into a, B, C, D, e, grade. According to the paper material, general face paper is better than inside paper.
2、面里纸主要技术参数不同。从纸箱性能要求或用户从降低成本考虑,要求纸箱的面里纸有别,通常是:
2. The main technical parameters are different. In order to meet the requirements of carton performance or reduce the cost, the paper inside the carton is required to be different
(1)面里纸定量不同。有面纸比里纸定量大的,也有小的。
(1) The amount of paper in the flour is different. There are face paper larger than inner paper, and there are also small ones.
(2)面纸里纸含水率不同。因供货方、运送库存等环境湿度不同、有面纸比里纸含水率大的,也有小的。
(2) The moisture content of tissue is different. Due to the different humidity of the environment such as the supplier, transportation and inventory, the moisture content of the face paper is larger than that of the lining paper, but also smaller.
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(3)面里纸定量、含水率都不同。一是面纸定量大于里纸,含水大于里纸或小于里纸。二是面纸定量小于里纸,含水率大于里纸或小于里纸。
(3) The ration and moisture content of the paper are different. First, the ration of face paper is larger than that of inner paper, and the moisture content is larger or smaller than that of inner paper. The other is that the ration of face paper is smaller than that of inner paper, and the moisture content is larger or smaller than that of inner paper.
3、同批纸含水率不同。一部分纸含水率大于另一部分纸或筒纸两端间、外缘侧与内芯侧含水率不同。
3. The moisture content of the same batch of paper is different. The moisture content of one part of paper is higher than that of another part of paper or cylinder paper.
4、纸经豫热器的(包角)受热面长度挑选和调节不妥或(包角)受热面长度不能恣意调节。前者因为操作不妥,后者因为设备局限性,影响了预热烘干效果。
4. The length of heating surface (wrap angle) of paper heater is not properly selected and adjusted, or the length of heating surface (wrap angle) cannot be arbitrarily adjusted. The former is due to improper operation, and the latter is due to the limitation of equipment, which affects the effect of preheating and drying.
5、不能正确使用蒸汽喷雾设备或设备上无喷雾设备,因而不能恣意增加纸的湿度。
5, it is not possible to use steam spray equipment or equipment without spray equipment properly, so that humidity of paper can not be arbitrarily increased.
6、纸经预热后散发水分时刻缺乏或环境湿度大、通风差、出产线速度不妥。
6. The paper is short of moisture after preheating, or the environment humidity is high, the ventilation is poor, and the production line speed is improper.
7、单面瓦楞机、涂胶机的上胶量不妥、不均而引进纸板收缩不均。
7. Single side corrugating machine, gluing machine on the amount of improper, uneven and uneven shrinkage of the imported paperboard.

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