The double-column CNC vertical lathe has the advantages of strong turning capability and high efficiency. The following are some reasons for the high efficiency of double-column CNC vertical lathe power turning:

1. The machine tool structure is stable: The double-column CNC vertical lathe adopts a double-column structure. There is sufficient spacing and connection support between the two columns, which can provide more stable rigid support, resist vibration and deformation during the cutting process, and maintain high Precision and stable cutting performance.
2. Powerful cutting capability: Double-column CNC vertical lathes usually have high spindle power and torque, and can cope with the cutting needs of various difficult-to-machine materials and large-size workpieces. It has strong cutting ability, can carry out larger cutting depth and cutting width, and improves turning efficiency.
3. High-speed cutting: The double-column CNC vertical lathe is equipped with high-speed spindle and fast feed axis, which can realize fast cutting movement and feed speed. This can greatly shorten the cutting time and improve the processing efficiency.
4. Fast tool switching: Double-column CNC vertical lathes are usually equipped with an automatic tool change system, which can realize fast and automatic tool switching. This reduces tool change time and improves machining continuity and efficiency.
5. Automatic function: Double-column CNC vertical lathe can also be equipped with automatic functions, such as automatic feeding, automatic clamping, automatic measurement and automatic compensation. These features help reduce manual intervention and reduce operator time, increasing turning efficiency.

Generally speaking, the double-column CNC vertical lathe can achieve high-efficiency and high-precision turning operations through its stable structure, powerful cutting capabilities, and high-speed cutting, and is suitable for high-demand machining tasks of large, difficult-to-machine workpieces.