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Multitasking Center Features 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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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. To ease operation, the turning center features a 19", high-resolution, touchscreen LCD panel. The machine features a Fanuc 31i-B CNC and a PC-based control (NT-IPS) for faster processing and increased efficiency.
 
A variety of upgrades have been made 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). The distance between the spindles has been increased to 31.5" (800 mm) on the same machine footprint of 67.8 ft² × 6.2 ft (6.3 m² × 1.9 m). With a maximum tool swing of 23" (570 mm) on the upper and lower turrets, operators can drill through a 2"- (51-mm) bar diameter from one side on the turning center.
 
The spindle motor features increased torque for greater speed, and the S3 rate is available for high torque. A 787-ipm rapid traverse and 314-ipm cutting feeds on the X, Z and B axes provide faster feed. 
 
The system includes 12-station upper and lower turrets with half-index capability to hold as many as 48 tools for multiple processes. It also features left and right spindles with speeds as fast as 5,000 rpm at 20/15 hp and a 6" (150-mm) chuck. The turning center is capable of 7.5-hp milling capacity on the C axis. 

 

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