BK40-2 CNC vertical lathe is a CNC vertical lathe with the main structure of base, single column, dual spindles and dual tool holders, the two axis are roller linear guideway, adopting double-channel CNC system, the two channels can be controlled separately, and it can complete the machining of different parts at the same time. It is mainly used for roughing and semi-finishing machining of flange, disk sleeve and short shaft parts.