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New NBV vertical machining center packs extensive mold/die capability into small footprint, eliminates hydraulics

The new NBV vertical machining center is as noteworthy for what it doesn't have as what it has. Eliminating all hydraulics, this compact VMC is flush with modular application flexibility, including configurations for 3-, 4-, and 5-axis contouring or 5-axis mill/turn work, integrated CAM support and program simulation, and four spindle options ranging up to 42,000 rpm. In addition to its hydraulic-free design, the NBV conserves energy with a selectable ECO-Mode power saving feature that automatically levels speed and acceleration for an ideal balance of cutting performance, energy use and machine-component life. Ideal applications include die/mold, automotive and aerospace impellers and blisks, medical, and general machining.

In a footprint of just 9.6 m2 (133.5 sq ft), the fixed-table NBV 400 provides X-Y-Z ranges of 700 x 600 x 500 mm (27.6 x 23.6 x 19.7 in), with table capacity of 300 kg (661 lb) [250 kg/551 lb in mill-turn config.]. Spindle options include speeds of 10,000, 12,000 (mill-turn only), 18,000, 24,000 and 42,000 rpm, offering a torque range of 125 to 12.4 Nm (92 to 9 lb ft) at 40 percent duty. A disc-type 40-tool magazine integrated in the machine bed maximizes in-cut time with fast direct tool change (4.4 sec chip-to-chip), without a separate tool changer. The hydraulic-free system clamps tools with proven disc springs.

FEA-optimized for static and dynamic stiffness, the NBV is built on a single-piece cast machine bed that provides high rigidity and vibration damping for outstanding cutting performance and precision in heavy machining operations. Linear guideways on X,Y and Z axes provide ideal machine dynamics, even with larger workpieces. High-performance machining is achieved with direct-coupled digital drives, delivering rapid traverse rates up to 60 m/min (2362 ipm) and acceleration up to 6 m/s2 (19.7 ft/s2). An NC tilting/rotary table provides optional A and C axes with ±5 arc second accuracy, minimizing movement of the linear axes in contour machining. The mill-turn version includes a 1000 rpm C-axis table as well.

Control options for the NBV 400 include Siemens, Bosch Rexroth, Fanuc and Heidenhain. The NBV 400 is a self-contained unit, making for easy transportation, rigging and setup. Automation and other processing options, including MQL/dry machining, robot load/unload systems and additional tool-disc magazines, are easily integrated.

Press release issued by Fives Machining Systems, Inc. on April 27, 2010

 

 Contact details from our directory:
Fives Machining Systems, Inc. Composite Manufacturing Supplies, Boring Equipment, Lathes, Machining Systems, Cutting Equipment, Cutting Tools, Composite Tape Lay-down, Grinding, Laminating Equipment, Gantries, Drilling Equipment, Routing, Milling, Numeric Control Equipment, Materials Handling Equipment, Systems Integration

 

 Related directory sectors:
Tools
Production Equipment
Metal Removing
Machining
Design
Composites

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