Kistler Instruments Ltd. - PRODUCT NEWS
KISTLER LAUNCH NEW MEASURING WHEEL FOR SMALL, LIGHT VEHICLES
Motor vehicle manufacturers are investigating ways of reducing rolling resistance and weight to improve fuel consumption of cars of the future. The new S615 6-component measuring wheel from Kistler Instruments is optimised to measure load spectra for durability, vehicle dynamics and power train investigations on the small, light vehicles currently under development.
The new measuring wheel weighs more than 800 g less that the S625 four sensor wheel, a reduction achieved by combining the three-sensor concept with extensive use of carbon fibre reinforced plastics (CFRP). The new RoaDyn S615 is designed for a maximum vertical load of 15 kN, which is more than needed for small, light vehicle applications.
The CFRP/aluminum composite wheel consists of an aluminum rim and a CFRP wheel disk. The CFRP inner part of the wheel provides the connection with the hub and the three load cells connect the rim to the inner part. To minimize local stresses all of the relevant components were optimized using finite element analysis.
The RoaDyn S615, mounted on the vehicle as a complete wheel, measures the three forces Fx, Fy, and Fz and the three torques Mx, My and Mz on the rotating wheel. Electronics built-in to the wheel convert the output from the sensors into digital format for transmission to the on-vehicle system. The system provides an analog or digital output, which is fully compatible with the rest of the Kistler RoaDyn family of products.
Kistler Instruments Limited
Established in Wintherthur (Switzerland) in 1957, Kistler is represented in over 50 countries and has subsidiaries in Germany, France, Italy, UK, Japan, USA, China, Korea and Singapore. With a staff of more than 800, the Kistler Group is one of the world's leading providers of dynamic measuring instrumentation. The Kistler Group achieved turnover of 160 million Swiss Francs in the 2005 financial year.
Kistler's core competence is the development, production and use of sensors for measuring pressure, force and acceleration. Kistler's know-how and electronic systems can be used to prepare measuring signals for use in analyzing physical processes, controlling and optimizing industrial processes, improving product quality in manufacturing and improving performance in sports and rehabilitation.
Kistler offers a comprehensive range of sensors and systems for engine development, automotive engineering, plastics and metal processing, installation technology and biomechanics.
Heavy investment in research and development, 15% of staff worldwide are engaged in research and development, has generated a number of innovations using piezoelectric, piezoresistive and capacitive techniques to provide solutions to numerous force, pressure and acceleration measuring problems. These innovations include the world's first commercial quartz sensor, two-wire constant current technology to integrate sensors with microelectronic circuitry, high-temperature pressure sensors for use up to 400 Deg C and three-component force measuring sensors.
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