Maximum efficiency through Voith fluid couplings

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Australia is one of the major coal producing countries in the world, with an production output of 409,200 Mt in 2009. In regards to productivity and efficiency of the whole process coal mining is facing continuously new challenges.

During mining the coal is transported from the seam on armored-face conveyors. For the conveyor drives, Voith has developed the world’s most powerful mining coupling with a transmission capacity of 1600 kW – the CPC 1600 (Chain Protection Coupling).

The new coupling is a further development of the 1200 kW CPC 1200 launched by Voith only about a year ago. Since their market introduction, over 30 CPC 1200 couplings have been successfully installed in various coal mines. In principle, both couplings have to fulfill the same requirements: they have to work reliably under extreme operating conditions in underground mines. Both are robust and cope with rough surroundings, for example high amounts of dust and debris from fallen coal. They are fill-controlled and use water as an eco-friendly, non-flammable operating fluid. The CPC 1600 is currently the most powerful hydrodynamic AFC coupling for OEMs. In order to achieve this increase in output, Voith has developped a fundamentally new geometry of the runner parts.ace conveyors are in longwall mining. They transport coal from the longwall by means of a circulating chain.

A coupling of this output class offers clear advantages to operators: compared to a standard coupling of a similar size, the transmission output of the CPC 1600 is 60 per cent higher. In comparison with the CPC 1200, the increase in performance amounts to approximately one third. As a result of this improved capacity, up to 12 meter high coal faces can be cut to their full height. In short, the CPC makes coal extraction even more efficient, as none of the seams remain unexploited.

During its inspection in front of customers, the CPC 1600 proved its function and its efficiency: a test run in Crailsheim, Germany demonstrated that the coupling meets all aspects of the required performance profile. In the middle of January, the first CPC 1600 was handed over to one of the leading mining equipment suppliers in China and has since then successfully passed all tests.

The new Belt conveyor coupling provides a lot of benefits. The coupling has been tested for 10 week on a Voith test stand against the most extreme conditions. The official launch of the new coupling was in September during an international launch event in Germany as well as at AIMEX where mining experts around the world have the opportunity to had a look into the technology.

Voith Turbo, the specialist for hydrodynamic drive, coupling and braking systems for road, rail and industrial applications, as well as for ship propulsion systems, is a Group Division of Voith GmbH.

Voith sets standards in the markets energy, oil and gas, paper, raw materials and transportation and automotive. Founded in 1867, Voith employs almost 40 000 people, generates 5.2 billion in sales, operates in about 50 countries around the world and is today one of the biggest family-owned companies in Europe.

Media Contact
Christian Gold
Central Advertising / PR
Telefon: + 49 7951 32 1333
Telefax: + 49 7951 32 665
C.Gold@Voith.com
www.voithturbo.com/industry

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