1. The machine bed and base are of integral structure, made of high-strength cast iron, wide bed feet, and inclined bed layout, with high stability and rigidity; The imported roller linear guide rail is used to ensure the stability of the machine tool in long-term use 2. The bed saddle and sliding plate are made of high-strength cast iron. The guide rail pair adopts imported linear guide rail, which has low dynamic and static friction and can move quickly up to 24m/min in X direction and 24m/min in Z direction. Large span of bed saddle and sliding plate, suitable for heavy load and strong cutting.