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061-12 Lohr, 2012-09-04

Safe on the high seas

Anchoring of ships or depositing of cargo on the bottom of the sea – the potential uses for winches in marine and offshore areas are extremely varied. Safety is always the highest priority. With an additionally included valve in the control manifold DSE by Rexroth, the retention forces are maintained even when the brake is inactive. The compact construction type reduces costs and installation effort for the user.

With regard to winches the safety aspect is of utmost importance. If, for example, the hydraulics supply to the winch is interrupted without activation of a brake, in the worst case the load on the hook can fall uncontrollably. To guarantee safety even in these cases, Rexroth installed an additional valve that reacts to falling oil pressure. It keeps the oil in the hydraulic motor and thus prevents oil from escaping into the tank. While the motor will rotate slowly, it will not cavitate and the holding forces will be maintained. The user can select between multi-disk brakes and a brake band, which effects the edge of the winch drum. An automatic brake release function with integrated pressure reduction valve is available to release the brake.

The winch control valves of the DSE product line can be installed directly on the motor without the need for pipes or hoses. Thus, the manufacturer does not only save costs, but also installation effort. Eliminating the lines also avoids the risk of leaking hoses, pipes or couplings.

With a possible flow through of 60 to 700 l/min and a maximum pressure of 250 bar, the product line is primarily suitable for use with larger winches. Thanks to the modular design, the suitable control manifold can be adopted to the customer's requirements. Functions such as self-centering, operation with two speeds and mooring can be easily added to the main manifold.

Bosch Rexroth AG is one of the world’s leading specialists in the field of drive and control technologies. Under the Rexroth brand name, the company supplies more than 500,000 customers with tailored solutions for driving, controlling, and moving. Bosch Rexroth is a partner for Mobile Applications, Machinery Applications and Engineering, Factory Automation and Renewable Energies. The company provides customized solutions tailored to the needs and specifications of each individual market. As The Drive & Control Company, Bosch Rexroth develops, produces, and sells components and systems in over 80 countries. As part of the Bosch Group, Bosch Rexroth and its 38,400 associates generated approximately 6.4 billion euros in revenue in 2011.

To learn more, please visit www.boschrexroth.com

The Bosch Group is a leading global supplier of technology and services. According to preliminary figures, more than 300,000 associates generated sales of 51.5 billion euros in the areas of automotive and industrial technology, consumer goods, and building technology in fiscal 2011. The Bosch Group comprises Robert Bosch GmbH and its more than 350 subsidiaries and regional companies in some 60 countries. If its sales and service partners are included, then Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. Bosch spent more than 4 billion euros for research and development in 2011, and applied for over 4,100 patents worldwide. With all its products and services, Bosch enhances the quality of life by providing solutions which are both innovative and beneficial.

Additional information can be accessed at www.bosch.com , www.bosch-press.com

 

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Contact

Susanne Herzlieb
Maria-Theresien-Straße 23
97816 Lohr am Main
Phone: +49 9352 18-1573
susanne.herzlieb@boschrexroth.de