芬兰纸板协会技术人员在沪参观我瓦楞纸箱生产工艺过程中,就我方存在的瓦楞成品容易发生脆裂与塌扁问题提出看法如下:一、瓦楞的变脆、破碎由於我瓦楞原纸系切成单片,并且堆放了一些时候,原纸失去其正常湿度而变脆。因此瓦楞原纸必须在切好后马上就轧成瓦楞,或者在半自动单机加工前,用湿热蒸气预热。 Finnish Cardboard Association technical staff visited Shanghai in my corrugated box production process, the existence of our existing corrugated products prone to fragile and collapsed flat view as follows: First, corrugated brittle, broken due to my corrugated paper cut into Monolithic, and stacked some time, the original paper loses its normal humidity and become brittle. Therefore, corrugated paper must be cut immediately after cutting into a corrugated, or in the semi-automatic stand-alone processing, with hot and humid steam preheating.