KUNMING TH6916 HORIZONTAL BORING MILL

The KUNMING TH6916 is a floor-type horizontal boring and milling machine designed for machining large components such as turbine housings and machine frames. Key specifications include a 6.30-inch (Ф160 mm) boring spindle diameter with an ISO 50 (BT50) taper, capable of a maximum speed of 1,500 RPM. The machine features extensive travel capabilities, including X-axis (column longitudinal travel) up to 393.70 inches (8000 to 14000 mm), Y-axis (boring head vertical travel) of 1574.80 inches (3500 to 5000 mm), and a total ram and spindle travel of 2400 mm (Z-Spindle Travel: 43.31 inches, W-axis travel: 1200 mm). Power is supplied by an 80.5 HP main motor, with motor power generally ranging between 25 kW and 58 kW depending on the configuration. It handles heavy workpieces with a 40-ton table rotary load capacity. Control systems include CNC options such as Fanuc 18iMB or Siemens 840D. The machine offers high precision, with positioning accuracy ranging from ±0.018 mm to ±0.025/1000 mm, and weighs approximately 60 to 65 tons.