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Efficient, intelligent, compact and quiet

New hydraulic power unit saves space and energy in forming technology

  • Compact control cabinet format
  • Energy savings of up to 80 percent
  • Condition monitoring and data analysis
CitroBox Rexroth Indumation

Connecting machines and facilities with IT systems opens up enormouspotential for making forming technology more economical, quicker andmore intuitive. This is exactly where the new CytroBox hydraulic powerunit from Bosch Rexroth comes in. With its intelligent, energy-efficientmodular design, it provides a new solution approach for the mediumperformance range from 7.5 to 30 kW. By integrating IoT technologies, italso paves the way for consistently implementing Industry 4.0 concepts.

The CytroBox is a hydraulic power unit for the medium performance range from 7.5 to 30 kW. Preset controllers in variable-speed pump drives adjust energy requirements on an individual basis. Consequently, the speed is reduced under partial or no load to save energy, and conversely increased under full load with a highly dynamic response. This saves up to 80 percent of energy compared to constantly driven power units. The high degree of efficiency of the manifold block, manufactured using the 3D sand core printing method, also contributes to efficient operation. With this additive manufacturing method, the manifold block is up to 40 percent more compact and has improved flow channels. This improves the oil flow, reduces pressure losses and minimizes the areas where leaks could occur as fewer plug screws are required.

Cleverly connected to condition monitoring

Equipped with a sensor package and open interfaces, the CytroBox is predestined for use in connected environments. Integrated and wired sensors provide information regarding the current filter, oil or drive condition. The collected data are then processed by the drive controller. With the help of Open Core Interface, they can then be conveniently further processed and integrated into modern machine concepts.

The CytroBox also offers a connectivity option for operators. This makes it easy to realize the potential of IoT technologies as a pay-per-use service easily and without risk. All information regarding the CytroBox – from the component and operating status or forthcoming maintenance work to predictive maintenance analyses is available via Rexroth’s Online Diagnostics Network (ODiN). As a result, the information is always close to hand.

Full performance with the smallest of footprints

Flexibility and a space-saving design are important criteria when selecting components. The CytroBox combines a small footprint with a compact design. This also includes a tank with optimized degassing and flow. Thanks to a CFD simulation, the oil volume is reduced by 75 percent – from 600 to a mere 150 liters. The use of synchronous technology also saves space. The high-performance water-cooled synchronous motors are up to 80 percent smaller than comparable asynchronous ones. All functions are brought together in a compact control cabinet. As a result, the CytroBox can be integrated into existing production lines in a flexible, space-saving manner.

Lower noise emissions for greater comfort when working

The airborne sound is absorbed completely by the compact arrangement of all the components in one unitary housing and the built-in sound insulating mats. This way, no sound leaks out. In order to reduce noise emissions stemming from structure-borne noise, the motor pump group is rigidly affixed to a polymer-concrete foundation. The damping bearings which typically transmit the noise to the tank are completely eliminated. Consequently, the noise emission of the CytroBox is less than 75 dB (A) – even at full load. Comparable power units have an average noise level of 85 dB (A). This reduces the need for measures and costs for noise reduction, and also makes working very pleasant, even in direct proximity to the hydraulic power unit.

Tags: Rexroth, Industry 4.0, factory of the future

About Bosch

Bosch has been present in Belgium since 1907. The Bosch Group employs approximately 1,644 employees in Belgium. The main sites are located in Tienen, Brussels and Mechelen. The Bosch Group is a leading global supplier of technology and services. It employs roughly 400,500 associates worldwide (as of December 31, 2017). According to preliminary figures, the company generated sales of 78 billion euros in 2017. Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. As a leading IoT company, Bosch offers innovative solutions for smart homes, smart cities, connected mobility, and connected industry. It uses its expertise in sensor technology, software, and services, as well as its own IoT cloud, to offer its customers connected, cross-domain solutions from a single source. The Bosch Group’s strategic objective is to create solutions for a connected life, and to improve quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.” The Bosch Group comprises Robert Bosch GmbH and its roughly 450 subsidiaries and regional companies in some 60 countries. Including sales and service partners, Bosch’s global manufacturing, engineering, and sales network covers nearly every country in the world. The basis for the company’s future growth is its innovative strength. At 125 locations across the globe, Bosch employs 62,500 associates in research and development.

 

The company was set up in Stuttgart in 1886 by Robert Bosch (1861-1942) as “Workshop for Precision Mechanics and Electrical Engineering.” The special ownership structure of Robert Bosch GmbH guarantees the entrepreneurial freedom of the Bosch Group, making it possible for the company to plan over the long term and to undertake significant up-front investments in the safeguarding of its future. Ninety-two percent of the share capital of Robert Bosch GmbH is held by Robert Bosch Stiftung GmbH, a charitable foundation. The majority of voting rights are held by Robert Bosch Industrietreuhand KG, an industrial trust. The entrepreneurial ownership functions are carried out by the trust. The remaining shares are held by the Bosch family and by Robert Bosch GmbH.

Additional information is available online at www.bosch.be, www.bosch.nl, www.bosch.com, iot.bosch.com, www.bosch-press.com, www.twitter.com/BoschPresse, www.linkedin.com/company/bosch-the-netherlands, www.linkedin.com/company/bosch-belgium, www.twitter.com/BoschBelgium, www.twitter.com/BoschNederland

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