The lid of the winning shell machine is not pulled straight.

The wood chip board is not standardized, and the cutting situation of wood chip board has improved. Because the design specification of the chip board is not standardized and cannot be pulled accurately, the cover appears when cutting and cannot be tilted, which leads to the inaccurate drawing of the cover. When designing, we should first design according to the design specifications to improve the cutting situation in the chip board and achieve uniform cutting situation.