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PRODUCTS HYDRAULICS & PNEUMATICS NEXT-GENERATION ELECTROMECHANICAL


LINEAR ACTUATORS RELEASED An efficient and powerful new range of electromechanical linear actuators from SKF is set to provide viable replacements for many more hydraulics applications in construction vehicles and agricultural machinery. SKF has substantially increased the thrust and holding force of


its CAHB electromechanical linear actuators, as well as achieving a marked improvement in the sealing of these units, from IP66S to IP69K/66M. Three new products - CAHB-20E, CAHB-21E and CAHB-22E - offer more than double the rated load compared with previous CAHB designs, to deliver a maximum thrust of 10,000N and a holding force of up to 20,000N, ensuring maximum operational safety. This vastly improved performance means that the new CAHB-E series is now a viable drop-in


replacement for many more hydraulically actuated systems in agricultural and construction equipment, reducing the complexity of existing hydraulic circuits, improving operational efficiency and reliability, simplifying installation and on-going maintenance, and introducing new levels of speed and precision. The new series offers additional benefits, including an optional manual override with integrated


hand crank, which enables the units to be adjusted without power or need for special tools, plus optional absolute or incremental position feedback. The new actuators are also more compact, maintaining stroke length while featuring a shorter retracted length.


SKF


KNOW YOUR POPPET FROM YOUR SPOOL


Festo is offering free advice to help engineers designing and specifying pneumatic systems to select the best valve for their application. The intention is to give confidence when choosing from the company’s Blue Star Core range of products. Included in the guidance are descriptions of poppet and piston spool valves (the most commonly used valves in pneumatic applications), their operation and respective pros and cons. In addition, Festo’s guidance also covers associated topics such as connectivity, mounting and correct sizing of valves. Festo’s guidance is available free online in a


number of formats. For more information, please visit the website below.


www.skf.com Festo www.festo.co.uk/stars-valves


ELECTRO HYDRAULIC PRECISION CONTROL MACHINE OUTLINES CORE COMPETENCIES IN INTEGRATED INDUSTRIAL TECHNOLOGIES


Eaton has developed an electro hydraulic precision control machine that demonstrates that, with a holistic approach, the design and build of machines can become more cost effective through decreased complexity


and easier integration. Demonstrating decentralised intelligence in an autonomous closed loop operation system, the machine can take care of the control itself thus reducing


manpower requirements. This combined with lower energy consumption capabilities can reduce total cost of ownership. What’s more the machine is IoT ready, helping to reduce downtime through intelligent maintenance that covers predictive maintenance, not only for problem identification, but also for pattern detection. The new machine shows how SmartWire-DT, the intelligent wiring and communication system from Eaton, can integrate smart and low level components into a common control architecture, allowing digitalisation of data from simple push- buttons or motor-starters inside the control- cabinet to hydraulic valves on the machine. The machine demonstrates the ability to de-


NEW FILTRATION MATERIALS FOR LONGER SERVICE LIFE


Bosch Rexroth has introduced a new range of hydraulic filter elements, incorporating new materials that deliver optimum performance while reducing operating costs via increased service life. The new range of elements, known as


Pure Power, has been designed using new micro-glass material to retain 50 per cent more contaminant particles than the range it is replacing. This is due to the very small diameter of the micro-glass fibres, allowing for more interstitial spaces in the same given area to trap and retain contamination. The micro-glass main filter layer assists in achieving optimum retention rates. In line with the requirements of ISO 16889:2008, the ß-values of the


new Pure Power filter material have exceeded 1,000 in real-world tests. This maximises system availability as hydraulic fluids are optimally cleaned. It also prevents damage to the system and further contamination by removing a very high proportion of the contaminants in the first pass through the filter. This is also the first time that a manufacturer has fitted all elements in its range with an additional antistatic conductive woven filter medium as standard. This reduces the risk of electrostatic charge and discharge in the filter.


Bosch Rexroth 16 JUNE 2017 | DESIGN SOLUTIONS www.bosch.com


centralise control to the device level, reducing overall dataflow, whilst at the same time allowing collection of data from all integrated system components and delivering it to the cloud. Subsequent data analytics allow users and owners the possibility to create additional value for the machine application in regards to production capacity, quality, uptime, and maintenance. Furthermore, the new machine integrates an Eaton Variable Speed Drive and Pump System, which is aimed at helping customer cut energy usage by up to 70 per cent, dependant on the machine duty cycle.


Eaton.com www.eaton.com/hydraulics


GAIN ADVANTAGES IN DESIGN, PERFORMANCE AND COMPATIBILITY


Most hydraulic valve manufacturers will typically seek volumes of around 5,000 to 10,000 a year to design a new valve. As a result, many OEMs make do with standard issue, and have to design their systems accordingly. Webtec has introduced a custom hydraulic solutions service based on much lower volumes of typically 100 to 5,000 pieces per year. This provides major benefits for design engineers at OEMs, who instead of resigning themselves to using a standard product, now have access to a myriad of bespoke solutions. The advantages of taking the custom route include greater design freedom, enhanced form, fit and function of components, elevated performance, and greater compatibility. The custom hydraulic solutions offered by Webtec can include many


different components. For instance, special combination monoblock valves for flow, pressure and directional control can be designed that help to reduce the size of the system envelope and piping, and cut assembly costs. Alternatively, any OEMs looking to reduce energy consumption and prevent overheating will benefit from Webtec’s ability to produce custom-designed, high-efficiency flow control valves to suit exact requirements.


Webtec www.webtec.com / DESIGNSOLUTIONS


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