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The MAG NBV vertical machining centre (VMC) includes configurations for three-, four- and five-axis contouring or five-axis mill/turn work.

The compact VMC, which eliminates all hydraulics, also includes integrated computer-aided-manufacturing (CAM) support and program simulation, as well as four spindle options ranging up to 42,000rev/min.

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.

Suitable applications include die/mould, automotive and aerospace impellers and blisks, medical and general machining.

With a footprint of 9.6m2 (133.5ft2), the fixed-table NBV 400 provides X-Y-Z ranges of 700 x 600 x 500mm (27.6 x 23.6 x 19.7in), with a table capacity of 300kg (661lb) or 250kg 551lb in the mill-turn configuration.

Spindle options include speeds of 10,000rev/min, 12,000rev/min (mill-turn only), 18,000rev/min, 24,000rev/min and 42,000rev/min, offering a torque range of 125-12.4Nm (92-9lb.ft) at 40 per cent duty.

A disc-type 40-tool magazine integrated in the machine bed maximises in-cut time with fast direct tool change (4.4 seconds chip to chip), without a separate tool changer.

The hydraulic-free system clamps tools with proven disc springs.

FEA optimised for static and dynamic stiffness, the NBV is built on a single-piece cast machine bed that provides high rigidity and vibration damping to improve cutting performance and precision in heavy machining operations.

Linear guideways on the X, Y and Z axes provide ideal machine dynamics, even with larger workpieces, according to the company.

High-performance machining is achieved with direct-coupled digital drives, delivering rapid traverse rates of up to 60m/min (2362in/min) and acceleration of up to 6m/s2 (19.7ft/s2).

An NC tilting/rotary table provides optional A and C axes with +/-5 arc-second accuracy, minimising the movement of the linear axes in contour machining.

The mill-turn version also includes a 1,000rev/min C-axis table.

Control options for the NBV 400 include Siemens, Bosch Rexroth, Fanuc and Heidenhain.

The NBV 400 is a self-contained unit, facilitating transportation, rigging and setup.

Automation and other processing options, including MQL/dry machining, robot load/unload systems and additional tool-disc magazines, can be integrated.

MAG Industrial Automation Systems

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