Multitasking Turning Center Offers High Speed, Rigidity

Methods Machine Tools’ Nakamura-Tome WT-150 II eight-axis, multitasking turning center features opposed twin-spindle, two-turret construction for increased speed and rigidity.

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Available from Methods Machine Tools, the Nakamura-Tome WT-150 II eight-axis, multitasking turning center features opposed twin-spindle, two-turret construction for increased speed and rigidity. The compact machine offers a variety of upgrades from the base WT-150 design, including a spindle-speed override switch, a program number search, C-axis synchronization and helical interpolation (for Y-axis models).

To ease operation, the multitasking turning center features a 19" high-resolution, touchscreen LCD panel. A Fanuc 31i-B CNC control and a PC-based control (NT-IPS) provide for faster processing and increased efficiency.

In addition, the distance between the spindles has been increased to 31.5" (800 mm). A maximum tool swing of 23" (570 mm) on the upper and lower turrets enables users to drill through a 2" (51-mm) bar diameter from one side on the machine.

The spindle motor features increased torque for greater speed, and the S3 rate is available for high torque. A rapid traverse of 787 ipm on the X axis, and cutting feeds of 314 ipm on the X, Z, and B axes provide faster feed.

Other machine features include simultaneous 4+4 axis control; 12-station upper and lower turrets with half-index capability to hold as many as 48 tools for multiple processes; spindle speeds ranging to 5,000 rpm at 20/15 hp; a 6" (150-mm) chuck; and 2" (51-mm) bar capacity. The machine is capable of 7.5-hp milling capacity on the C axis. 

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This machine can run for a long time without any operator intervention, and users can machine finished parts from slug stock or cast blanks while achieving the same high productivity as if they were machining from barstock, the company says.