VMC Designed to Conserve Energy

The NBV 400 can be configured for three-, four- and five-axis contouring or five-axis mill/turn work.

New Product Announcements From: 6/17/2010 Modern Machine Shop

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The NBV 400 can be configured for three-, four- and five-axis contouring or five-axis mill/turn work. It features integrated CAM support and program simulation. The design conserves energy with a selectable ECO-Mode power-saving feature that automatically levels speed and acceleration for balance in cutting, energy use and machine-component life, the company says.
Configurations can be specified for applications in the die/mold, automotive, medical, and general machining industries as well as for impellers and blisks in the aerospace industry. In a footprint of 133.5 sq. ft. (9.6 m²), the fixed-table version provides X-, Y- and Z-axis travel of 27.6" × 23.6" × 19.7" (700 × 600 × 500 mm), with table capacity of 661 lbs (300 kg). Spindle options include speeds from 10,000, to 42,000 rpm, offering torque of 125 to 12.4 Nm (92 to 9 foot-pounds) at 40-percent duty rating. A disc-type, 40-tool magazine is integrated in the machine bed. Without a separate tool changer, direct tool changes take 4.4 seconds, chip-to-chip. The hydraulic-free system clamps tools with disc springs. According to the company, high-performance machining can be achieved with direct-coupled digital drives, delivering rapid traverse rates at speeds as fast as 2,362 ipm (60 m/min) and acceleration as high as 19.7 ft² per sec. (6 m² per sec.). An NC tilting/rotary table provides optional A and C axes with ±5 arc second accuracy. The mill-turn version includes a 1,000-rpm, C-axis table.

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