Metav 2016 – New machine tools

Compact Machines for a Broad Range of Uses

| Author / Editor: Bernhard Reichenbach / Rüdiger Kroh

Gear cutting solution on the M35 Millturn turning/drilling/milling centre: the Invomilling milling tool by Sandvik Coromant enables milling of straight and angled external gears.
Gear cutting solution on the M35 Millturn turning/drilling/milling centre: the Invomilling milling tool by Sandvik Coromant enables milling of straight and angled external gears. (Photo: WFL)

Machine tool manufacturers are represented at the Metav 2016 in Düsseldorf with interesting ready-to-use solutions. Among their plus points are faster throughput times, lower piece costs and higher workpiece quality.

They are not only especially flexible, productive, user-friendly and space-saving, but also set up for high production quality – the new machine tools presented at the Metav 2016 in Düsseldorf. The positive characteristics of the machines are said to be equally obvious, whether in processing simple or complex, small or large workpieces in easy or difficult working materials.

Great versatility, for example, is shown by an exhibit with which Index intends to replace their cam-controlled automatic multi-spindle turning machines for bar diameters up to 22 mm: the Index MS16 Plus extension variant from the Multiline range. This modular CNC six-spindle machine is to replace the cam multi-spindle devices which are still much used, but complicated to set up and still dominating the market today in processing parts of low and medium complexity.

According to the maker, the advantage of the MS16 Plus is that it combines the speed of a cam machine with the flexibility of CNC technology and, thanks to its compact dimensions (1300 mm wide), is also satisfied with the small base area of the previous multi-spindle machines. In addition, it offers high operator comfort during setting up as well as enhanced production options compared to cam machines. It can use all processes which are possible on turning centres, automatic or not, including turning, boring, milling, cutting, deep-hole boring or shaping. With driven tools and additional units, all of which can be set up on all carriages as well as on the C axes of the working spindles, further production possibilities, such as eccentric drilling or thread cutting without compensation chuck, angular and transverse drilling, contour grinding/gear hobbing and polygonal turning, are possible, we are told.

Efficient power packet for large parts

Hommel Unverzagt presents the new NTRX-300 turning/milling centre by the Japanese manufacturer Nakamura-Tome. This is said to remove all obstacles to producing complex parts economically and on time in fields such as drive technology, optics or general machine construction. According to the supplier, the user profits from reduced piece costs, raised workpiece quality and faster order completion times. Because of its strong construction and a distance of 1350 mm between the spindle noses, the NTRX-300 is said to be especially suitable for complete processing of large parts with a maximum turning diameter of 640 mm and a maximum turning length of 1150 mm. At the same time, this 17 t machine, occupying a space of 4400 mm × 2670 mm, is very compact. For the efficient processing of even hard-to-machine parts, two spindles with a maximum rotating speed of 3500 min-1 are available.

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