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xxx 2012-06-19

Inexpensive Logic from the Standard Building Set

Inexpensive Logic from the Standard Building Set

The new Rexroth valve series with standardized cavities according to ISO 7368 carries the principle of modular design over to hydraulics.

With its new, actively controllable 2/2 directional cartridge valve LC2A-1X, Rexroth opens up a virtually unlimited variety of functions in hydraulics using highly available standard parts. The new hydraulic valve series comes in 7 sizes ranging from 16 to 100. As the overall functionality is built from individual standard parts, engineering and assembly costs can be reduced. Likewise, circuit modifications and repairs also become less costly.

The new Rexroth valve series with standardized cavities according to ISO 7368 carries the principle of modular design over to hydraulics. Users can directly mount almost any LFA logic cover in the Rexroth standard program, which in turn allows them to create any hydraulic function imaginable. This approach increases the flexibility for later modifications, as only the logic cover needs to be replaced in order to adapt the functionality to new requirements.

The LC2A-1X series is based on proven Rexroth design principles, but incorporates numerous improvements in specific details. For instance, type tested versions with closed switch position monitoring are now available across the entire range. Alternatively, a variant monitoring the open switch position is also feasible. All sizes can easily be retrofitted on site with a Q7- type adjustment-free position switch.

The variable assignment of the pilot oil channels to the active area opens up new levels of freedom. The new LC2A-1X valve series allows engineers to set different functional priorities, including a direct replacement of existing standard logics if a user wants to add position monitoring or prevent internal leaks. New additional piston models allow, among other things, for highly dynamic check-valve functions or analog position sensing.

In sizes 80 and 100, the hydraulic flow parameters were again optimized through design modifications. In combination with the shaft seal, hydraulic losses are thus further reduced, which in turn contributes to better energy efficiency.

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 34,900 associates generated approximately 5.1 billion euros (6.8 billion) in revenue in 2010.

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The Bosch Group is a leading global supplier of technology and services. According to preliminary figures, more than 300,000 associates generated sales of 51.4 billion ($71.5 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 ($5.5 billion) 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 Further information is available online at , .


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