Kistler Instruments Ltd. - PRODUCT NEWS
New high sensitivity pressure sensors for composite materials
New from Kistler is a range of high sensitivity, pressure sensors for use in the production of fibre-reinforced lightweight plastic structures and composite parts for the automobile and aerospace industries using conventional and high-pressure resin transfer moulding (RTM).
The sensors are also suitable for injection moulding and pressing of temperature-resistant components for domestic appliances and electrical products from thermosetting materials such as bulk moulded compound (BMC), sheet moulded composite (SMC), elastomers and liquid silicone resin (LSR).
Two types are available, both with a front diameter of 6 mm; one with a sensitivity of 16.9 pC/bar over the range from 0 to 200 bar and the other with a sensitivity of 4 pC./bar over the range 0 to 1,000 bar. Both are suitable for use at melt temperatures up to 450°C and are available with a coated front for use with materials containing abrasive fillers or reinforcing materials.
Used with the Kistler CoMo Injection system, the new sensors' ability to detect minute changes in cavity pressure allow the processing of curable, cross-linking compounds to be precisely monitored and controlled. The resulting mould cavity pressure curve can then be analysed for quality assurance monitoring.
The new high sensitivity, diaphragm pressure sensors are part of the "Quality Moulding Powered by Kistler" programme that uses mould cavity pressure to monitor and control the moulding process to ensure minimum rejects and maximum productivity.
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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