OKUMA LB-15C CNC LATHES

Technical Description

This CNC lathe features an 8.00-inch chuck size and a 1.50-inch bar capacity, supporting workpieces up to 8.00 inches in turning diameter and 19.00 inches in machining length. Designed for precision turning, it delivers a maximum spindle speed of 4,200 RPM, with a variable speed range of 70–3,800 RPM, and offers a swing over bed of 15.75 inches. The maximum turning diameter is 8.27 inches (9.84 inches without tailstock), and the maximum work length is 19.69 inches (9.06 inches without tailstock). The machine is equipped with a tailstock, a 2-axis control system, and a spindle nose conforming to ASA A2-6 standards, with an internal spindle taper of MT No.6. The spindle diameter is 3.94 inches (main) and 2.20 inches (secondary), and the cross-slide travel (X-axis) is 5.91 inches, while the longitudinal travel (Z-axis) is 20.47 inches. Cutting feed rates range from 0.0001 to 40.000 inches per revolution. The quill diameter is 3.54 inches with a stroke of 4.72 inches, and the center taper is MT No.5. Powered by an AC motor rated at 10/15 HP (continuous/30-minute), the lathe occupies a floor space of 74 inches by 108 inches and weighs 9,900 lbs. Control is managed by the OSP5000L system, ensuring reliable operation and high repeatability for demanding production environments.