Gap Former refers to a former that completes the entire forming process between two forming nets The mesh forming machine can be divided into three forms based on its dehydration principle
1. Roll-type web former In the roll former, the web is formed on the forming roll According to whether the forming roll has holes (the hole area of the hole opening roll is about 90%), there are also differences between single-sided dehydration and double-sided dehydration The results show that the fiber retention rate of this former is the highest, but the forming quality is worse than that of other sandwich formers
2. Blade former The blade former uses static dehydration elements (mainly dehydration plates) for dehydration, and can be vacuumized or not The fiber retention rate in the forming process is the lowest, but the forming quality is good
3. roller/dehydration plate combined type pinch former The roll blade former combines the advantages of the above two formers, taking into account the forming quality of paper and the retention rate of paper
