The Nakamura-Tome NTJ-100 multitasking turn-mill center from Methods Machine Tool is designed for medical, aerospace and general job shop components applications. The machine accommodates as many as 54 toolstations for turning and 24 toolstations for milling. Two high-rigidity turrets facilitate pinch turn and pinch mill operations, each with a Y axis of 3.5" (80 mm) on the upper and 2.6" (65 mm) on the lower. An upper turret swiveling B axis with a range of 182 degrees enables the production of angular features, such as those found on medical and aerospace components.
Two milling-tool motors provide 9.5/3 hp each. The twin 6,000-rpm spindles are said to improve efficiency with faster motor acceleration and deceleration. Synchronization of the left and right C axes is offered for parts simultaneously clamped by the left and right side chucks. The maximum turning diameter is 6.9" (175 mm) and maximum turning length is 26.7" (678 mm). Maximum bar capacity is 2.6" (65 mm). X- and Z-axis speeds are 787 and 1,574 ipm, respectively. A minimum 7.9" (200 mm) distance between spindles is said to eliminate tooling interference during multitasking and accommodate multiple tools in the cut simultaneously.
The machine is equipped with a 19", high-resolution touchscreen LCD panel and a PC-based Nakumara-Tome Intelligent Programming System (NT-IPS) control that works in conjunction with a FANUC 31iB-2 controller. CAMplete TruPath turn-mill software is included for G-code editing, optimization, analysis and verification.
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