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High-Pressure Axial-Piston Pump comes in SAE version.

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High-Pressure Axial-Piston Pump comes in SAE version.
High-Pressure Axial-Piston Pump comes in SAE version.
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April 4, 2014 - Serving stationary applications in open circuit operation, hydraulic A15VSO can meet pressure requirements to 420 bar. Near complete potential energy recovery during pump/motor operation enables regeneration concepts that can improve machine/system efficiency. Along with universal through drive, features include one-piece housing that helps engineers achieve leak-free design while minimizing sound emissions, overall efficiency of 93%, and swivel range of ±100%.

Quiet Powerhouse: New A15VSO High-Pressure Axial-Piston Pump from Rexroth with Improved Efficiency Now Available in an SAE Version


Bosch Rexroth Corp., Linear Motion & Assembly Technologies Div.
14001 S. Lakes Dr.
Charlotte, NC, 28273
USA



Press release date: March 26, 2014

Rexroth combines significantly lower noise emissions with further improved efficiency in the new A15VSO hydraulic axial-piston pump for stationary applications in open circuit operation. It can meet pressure requirements to 420 bars and recover potential energy during pump/motor operation almost completely. This enables innovative regeneration concepts that can improve the efficiency of machines and systems. Equipped with a universal through drive, the A15VSO seamlessly integrates into the Rexroth line of products and simplifies the process of combining different pumps.

Rexroth developers used state-of-the-art simulation tools in all design stages. The one-piece housing eliminates numerous sealed oil paths, allowing designers to move closer to the goal of a leak-free design. The housing structure, optimized for minimum sound emissions, reduces noise considerably. Subsequently, the airborne noise level has been reduced in average by up to two dB(A) at full flow operation and up to three dB(A) during pressure holding periods (high-pressure stand by). In addition, the development engineers shifted the operating noise to a frequency range that is perceived as sonorous and more agreeable to the human ear.

Further design improvements bring the overall efficiency of the axial-piston pump up to 93 percent. The swivel range, for example, has been expanded to +/- 100 percent to enable complete over center operation for extremely fast and efficient decompression. In the pump/motor operating mode an almost complete regeneration of potential energy is possible, for instance during lowering of a load or braking of a moving mass. This opens up new opportunities for maximizing the energy efficiency of machines and systems, whereby the robust and stable swivel action ensures highly dynamic performance with reduced response times.

The A15VSO is available in sizes 110, 145, 175, 210 and 280 cubic centimeter (cc) at a nominal pressure of 350 bar and a maximum pressure of 420 bar. The standard 280cc pump can run at 1,800 rpm with flooded suction.

The new compact housing, which features an optimized layout of flow channels and better use of installation space, simplifies the process of fitting the pump even in very tight spaces. A boosted version with impeller (A15VLO) is also available for up to 20 percent higher operating speeds. The universal through drive increases flexibility for customized drive solutions and can easily be used to connect axial-piston, gear, and other hydraulic pumps out of the comprehensive line of Rexroth pumps. Numerous hydraulic and electric controllers (also for remote control operation) enable efficient, highly precise control of power, pressure and flow, as well as load-sensing functions.

Implementation of design-for-manufacturing principles resulted in a cost-competitive product that achieved the above improvements at better pricing.

To download the A15VSO date sheet (RA-A 92800 2013-11) visit http://ow.ly/tXkSE.

About Bosch Rexroth:
Economical, precise, safe, and energy efficient: drive and control technology from Bosch Rexroth moves machines and systems of any size. The company bundles global application experience in the market segments of Mobile Applications, Machinery Applications and Engineering, Factory Automation, and Renewable Energies to develop innovative components as well as tailored system solutions and services. Bosch Rexroth offers its customers hydraulics, electric drives and controls, gear technology, and linear motion and assembly technology all from one source. With locations in over 80 countries, more than 37,500 associates generated sales revenue of approximately 6.5 billion euros in 2012.

To learn more, please visit www.boschrexroth-us.com

About Bosch:
The Bosch Group is a leading global supplier of technology and services. According to preliminary figures, its roughly 281,000 associates generated sales of 46.4 billion euros ($61.6 billion) in 2013*. 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. Its operations are divided into four business sectors: Automotive Technology, Industrial Technology, Consumer Goods, and Energy and Building Technology. This worldwide development, manufacturing, and sales network is the foundation for further growth. In 2013, Bosch applied for some 5,000 patents worldwide.  The Bosch Group’s products and services are designed to fascinate, and to improve the quality of life by providing solutions which are both innovative and beneficial. In this way, the company offers technology worldwide that is “Invented for life.” Additional information on the global organization is available online at www.bosch.comwww.bosch-press.com, and http://twitter.com/BoschPresse.

In the U.S., Canada and Mexico, the Bosch Group manufactures and markets automotive original equipment and aftermarket products, industrial drives and control technology, power tools, security and communication systems, packaging technology, thermotechnology, household appliances, healthcare telemedicine and software solutions. For more information, please visit www.boschusa.comwww.bosch.com.mx and www.bosch.ca.

Contact for Journalists:
Bosch Rexroth Corporation
Susan Strauss
2315 City Line Road
Bethlehem, PA 18017
Telephone (610) 694-8352
Fax (610) 694-8352
susan.strauss@boschrexroth-us.com

Godfrey Public Relations
Todd Walter
40 North Christian Street
Lancaster, PA 17602
Telephone (717) 393-3831
Fax (717) 393-1403
twalter@godfrey.com
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