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Hardinge Quick and cheap from drawing to ground workpiece

Editor: Steffen Donath

The newly developed universal cylindrical grinding machine Kellenberger 10 is a standard machine that can be customised with a wide range of options.

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Universal grinding head with 1 or 2 external wheels, cutting speed up to 50 m/s, rated power of grinding wheel holding taper 7.5 kW.
Universal grinding head with 1 or 2 external wheels, cutting speed up to 50 m/s, rated power of grinding wheel holding taper 7.5 kW.
(Source: Hardinge)

Optimised for costs and throughput time, this energy-efficient machine is ideal for beginners and experienced operators alike, the company promises. Alongside the Kellenberger 100 and Kellenberger 1000 concepts already established on the market, the K10 is a further example of top quality from Kellenberger in the cylindrical grinding sector. With a distance between centres of 1000 mm and a centre height of 200 mm, the machine covers a wide range of parts. High availability, process safety, reliability, productivity and flexibility, as well as easy retooling are the hallmarks of this machine.

The K10 is designed as hooked machine. Its base is mechanically extremely stable to minimise external influences on the grinding result. The proven continuous Kellenberger table profile for the standard assemblies and optional add-ons is ideally designed. The full-length dressing interface on the rear side of the table reduces retooling work and extends the dressing possibilities.

The machine features generous X and Z axis strokes (X=365 mm / Z=1,150 mm), collision-free operation and dressing ratios. The low-maintenance, high-precision linear guide on the X axis and the V flat sliding guides on the Z axis are equipped with optical absolute linear position measuring systems. The B axis is designed as an automatic indexing axis (1° Hirth gearing) with high positioning accuracy and +30°/-210° swivel range.

For high productivity and flexibility, the universal grinding head can optionally be equipped with two ø 500/400 mm O.D. grinding wheels. Powerful high-frequency, grease-lubricated I.D. grinding spindles with direct drive are available in two speed ranges (6,000 – 40,000 rpm and 10,000 – 60,000 rpm).

The integrated lifting system with chain hoist facilitates lifting of table assemblies, grinding wheels or workpieces significantly. Service work or repairs on the B axis are also easily possible. The lifting system can carry up to 200 kg.

The Kellenberger 10 is equipped with a Fanuc 0i-TFP CNC control with 19” touch screen and consistent Kellenberger operation.

(ID:46739499)