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Okuma LB4000EX-II

LB EX Series | LB4000EX-II

LB4000 EX-II is a 2-axis turning center built on Okuma’s Thermo-Friendly Concept to ensure minimal thermal growth and is constructed as a slanted box bed to create unmatched excellence and strength. This machine is equipped with Okuma’s high power, high-torque PREX motor to deliver heavy-duty operation from heavy to high speed cutting with a through-hole diameter able to accommodate larger workpieces.

The easy-to-use, open architecture THINC-OSP control makes this machine simple and able to integrate with other peripheral equipment. It has enough configurations to meet any shop’s requirements with many bed lengths, bore sizes and options, including live tooling, sub-spindle and Y-axis.

Model Variations
LB4000 EX-II LB4000 EX-II-M
L = Standard Turning Y = Y axis
M = Milling W = Sub-spindle
  • LB4000EX-II Straight
Quick Specs
Max machining diameter mm (in) 480 (18.90)
Max machining length mm (in) 750 (29.53)
Spindle nose type JIS A2-8
Speed Range min⁻¹ 42~4,200
Rapid traverse X-Z m/min (ipm) 25/30 (984/1181)
Standard Power kW (hp) 30/22 (40/30)

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