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Nov 2015  
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Multitask machine increases efficiency on angular features
Nakamura-Tome NTJ-100 Mill/Turn Center
Machine Tools - Nakamura-Tome NTJ-100 Mill/Turn Center

Methods Machine Tools Inc.

65 Union Ave.
Sudbury, MA 01776



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February 21, 2013 - Methods Machine Tools Inc. has introduced the Nakamura-Tome NTJ-100 Multitasking Turn/Mill Center, which is well-suited for a wide range of production needs. Applications range from low to high volume lots of medical, aerospace, general job shop components and more.

The new Nakamura NTJ-100 multitasking center offers fast tool changes compared to a full tool spindle ATC machine. A large tool capacity, up to 54 tool stations for turning and 24 tool stations for milling tools, reduces setup time. For faster cycle times, the new NTJ-100 has two high rigidity turrets, each with a Y-axis, 3.5 inches (80 mm) on the upper and 2.6 inches (65 mm) on the lower, facilitating pinch turn and pinch mill operations. An upper turret swiveling B-Axis with a range of 182 degrees is ideal for easily producing angular features, eliminating the requirement for expensive angle milling heads.

"The NTJ-100 is well positioned to serve a variety of industries including medical where angular features are found on components such as hip cups and bone plates," said Richard Parenteau, Director of Application Development at Methods Machine Tools. "Also for example, special aerospace fuel fittings and control valves have many angled aspects which are an excellent fit for this machine."

Two milling-tool motors, each at 9.5/3 HP can double the performance compared to traditional multitasking centers. Twin 6,000-rpm spindles offer fast motor acceleration and deceleration to improve machining efficiency. Synchronization of the left and right C-Axes is offered for parts simultaneously clamped by the left and right side chucks. The NTJ-100 has a maximum turning diameter of 6.9 inches (175 mm), a maximum turning length of 26.7 inches (678 mm) and a standard 1.6 inches (42 mm)/maximum 2.6 inches (65 mm) bar capacity.

The new NTJ-100 provides X-Axis and Z-Axis speeds of 787 ipm and 1,574 ipm respectively. Designed with a minimum 7.9 inches (200 mm) and maximum 35.8 inches (910 mm) distance between spindles to eliminate any interference of tooling during multitasking, the NTJ-100 allows for multiple tools in the cut simultaneously.

To ensure rugged, stable performance, the machine weighs 22,046 lbs. (10,000 Kg). The NTJ-100 has a small footprint to maximize floor space of 149.6 inches (3,799 mm) length x 78.7 inches (2,100 mm) width.

For ease-of-operation, the NTJ-100 features a large 19" high-resolution, touch screen LCD panel. The Nakamura-Tome Intelligent Programming System (NT-IPS) is a PC-based control that is built into the machine. It works in conjunction with the latest Fanuc 31iB-2 controller to give a high degree of functionality, coupled with fast processing speeds. New standard functions include a spindle speed override switch, a program number search, C-axis synchronization and helical interpolation.

CAMplete TruePath Turn/Mill software is standard on Nakamura-Tome Multitasking Turning Centers. CAMplete Turn/Mill software is an integrated suite of G-Code editing, optimization, analysis and verification tools, enabling a full range of turn/mill functions. Methods recently introduced Version 6.0 of this software which includes several upgrades for greater macro language support, improved error handling, increased post processing capabilities and more.

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