What is the working principle of the paper machine equipment? After the paper sheet from the drying section is calendered by the calender, the smoothness, gloss and tightness of the paper sheet can be improved, the thickness of the whole paper sheet can be consistent, and the air permeability can be reduced; Rolling into a paper roll completes the main process of papermaking. In order to meet different needs in the future, there are also calenders, rewinders, paper cutters, etc. after the paper roll in the papermaking equipment workshop.