There are several reasons for the cross-cutting of the ordinary conveyor belt. The first reason is that the angle of the individual roller groove of the conveyor is prominent, which causes a certain line to be continuously traversed. This situation will be obvious after careful inspection. The two types are the active electric drum and the driven roller, and the tension roller is covered with irregular glue. The large and small shovel can easily make the conveyor belt cross-sectionally across the entire area. Therefore, it is recommended that the user clean the adhesive regularly. of!