... (can optioan) 2,fast speed and highest efficiency 3,rigidity,mega steel structures 4,CE DI-1325 woodworking engraving machine .Parameters: ModelDI ... to purchase equipment of other brand of 3~4sets. 2,The working life of guide rail is more 2200 times ... and rack transmission,fast working, high efficiency and low cost,Z axes adopt ball screw with high precision and long life time. small cnc milling machine ...