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3 reasons of Corrugated cardboard paper degumming II
2017-08-04
Corrugated cardboard degumming is already a long-term problems of the production line, cardboard degumming is divided into the bottom paper degumming, sandwich degumming, top paper degumming. In general, the bottom paper degumming is relatively small, but the chance of degumming top paper is relatively large, top paper degumming will greatly affect the compressive strength of cardboard, or even scrapped, resulting in waste on the production.



Surface paper degumming is also different: the common surface of a large area of paper adhesion is bad, there is the operation side of degumming, the drive side is not degumming, this paper focuses on large area of paper face degumming problems.



A large area of top paper degumming reasons:

There are many reasons for the degumming of paperboard top paper, in which the dual facer machine press plate and the temperature control improperly and the paper tension caused by the top paper degumming the most obvious.


2,Temperature

The temperature is mainly reflected in the gelatinization temperature control, when the hot plate can not provide the appropriate temperature to the paste, the paste will appear two kinds of results: First, paste melted in advance, resulting in false sticky; Second, paste did not get gelatinization , Resulting in bonding is not strong. Therefore, the production should be timely check the paste paste temperature and hot plate transfer temperature, whether to achieve the required temperature of paper need , so as to avoid poor adhesion of paperboard.


 

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LXC-320S or 360S Single Facer
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