CNC VTL lathe for machining metal parts

The CNC VTL for machining metal parts features a dual-column structure with two columns, saddles, and slide assemblies mounted on the base. The servo drive motor is positioned between the two columns, creating a compact layout that helps reduce the machine footprint and improve workshop space efficiency. The high-rigidity dual-column frame provides strong load-bearing capability, meeting the requirements of heavy-duty cutting for large metal disc-shaped components while enabling multiple turning operations to be completed in a single setup.

The spindle is connected to the main servo motor through a belt drive and is equipped with an 18.5 kW dual-speed servo motor supporting stepless speed regulation. With a wide speed range of 100–1000 rpm, the spindle can meet different machining requirements, from high material removal rates during roughing to improved surface quality during finishing. The high-power motor provides stable torque output during heavy stock removal and interrupted cutting, helping protect the spindle, workpiece, and drive system while reducing the risk of machining interruptions. With a spindle bore diameter of Φ140 mm and a 15-inch hydraulic chuck, the machine provides a maximum turning diameter of Φ750 mm, an effective machining diameter of Φ550 mm, and a maximum turning height of 500 mm, making it suitable for medium-to-large metal disc components.

The X and Z axes are both driven by servo motors to provide fully automated CNC control. Stainless steel protective covers are installed on both axes to prevent cutting fluid and metal chips from entering the guideways and ball screws. The vertical X-axis is equipped with a load-balancing mechanism that reduces the load on the ball screw, minimizes wear, and extends the service life of the transmission components.

The turret configuration can be customized with dual or single horizontal CNC turrets combined with single-row or double-row tool arrangements. Horizontal turrets provide fast tool indexing and are suitable for continuous batch production. The standard configuration includes an 8-station turret combined with a gang tooling system, providing sufficient tool capacity for multiple turning and grooving tools. This configuration reduces tool change frequency and supports complex multi-process machining operations.