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allmetalworking > Product News Content > igh-Pressure Axial-Piston Pump with Improved Efficiency Now Available in an SAE Version
  
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igh-Pressure Axial-Piston Pump with Improved Efficiency Now Available in an SAE Version

high pressure, pump, effieciency

 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.

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About this company:
The Bosch Group is a leading global supplier of technology and
services. In fiscal 2012, its roughly 306,000 associates generated
sales of 52.5 billion euros. Since the beginning of 2013, its
operations have been divided into four business sectors:
Automotive Technology, Industrial Technology, Consumer Goods, and
Energy and Building Technology. The Bosch Group comprises Robert
Bosch GmbH and its roughly 360 subsidiaries and regional companies
in some 50 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 some 4.8 billion euros
for research and development in 2012, and applied for nearly 4,800
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.”
 
Company Information:
Company Name: Bosch Rexroth Corp.
Address: 5150 Prairie Stone Pkwy.,
City: Hoffman Estates
State/Province: IL
ZIP: 60192-3707
Country: U.S.A.
Phone Number: +1-847-645-3600
FAX: +1-847-645-0804
 
Note: The copyright and the ownship of the brand, product names, product numbers, and content mentioned belongs to their repective companies.
 
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