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CNC lathe / 2-axis / cutting / high-speed
LB4000 EX-II



  • Control type:


  • Number of axes:


  • Other characteristics:

    cutting, high-speed

  • Diameter:

    Max.: 480 mm

    Min.: 0 mm

  • Spindle speed:

    Max.: 4,200 rpm (26,389.378 rad.min-1)

    Min.: 42 rpm (263.894 rad.min-1)


OKUMA's LB4000 EX-II is a 2-axis tuning center, horizontal lathe, Computer Numerical Control (CNC) machine. This thermo-friendly machine features a slanted box bed construction, a PREX motor and an open architecture THINC®-OSP control. These features help the device to maintain its structural integrity, to deliver efficient task performance, and to easily use and integrate the machine with peripheral equipment. The LB4000 EX-II exhibits a 480 mm maximum machining diameter, a 750 maximum machining length, a JIS A2-8 spindle nose type, a 42 to 4,200 min⁻¹ speed range, a 25/30 m/min rapid traverse X-Z capacity, and a 30/22 kW standard power.