Kistler Instruments Ltd. - PRODUCT NEWS
Miniature piezoelectric indirect force sensor minimises machine tool damage
The new measuring pin from Kistler (http://tinyurl.com/KIL-9240A), with its exceptionally small diameter of 8 mm and weight of only 34 g, is ideal for protecting a wide range of structures from overload damage.
Fitting into an 8mm hole in the structure, the new piezoelectric strain sensor can be easily installed in any position to monitor the forces in a structure to warn of impending failure due to overload conditions. The small size and weight allows retro-fitting to existing installations without introducing measurement error.
Sensitive to transverse forces, the new sensor is a cylindrical pin designed to be mounted in an 8 mm borehole of any depth and orientation to allow the measuring element to be placed precisely at the point where the greatest strain occurs. The integrated clamping system preloads the sensor in the borehole enabling the measurement of both tensile and compressive forces in the machine structure. The basic range of the sensor is 500 micro-strains which may be offset by introducing the following preload forces;
Preload 510N - 0 to 500 µstrain
Preload 850N - 140 to 350 µstrain
Preload 1190N - -285 to 210 µstrain
The new Type 9240A measuring pin has been designed to provide the best possible solution for monitoring forces acting on the structure of a machine to provide reliable and precise, real time data for overload protection of the machine and tooling.
For continuous monitoring applications, the force measuring pin may be used in combination with the Kistler maXYmos monitoring system to signal when pre-set limit values of force are exceeded to ensure the safety and reliability of both machines and tools. Where needed, the maXYmos system can provide a signal to automatically shut down an operation when tool failure is likely.
The Swiss-based Kistler Group is one of the world's leading providers of dynamic technology for measuring pressure, force, torque, and acceleration. Kistler technology is used to analyze physical processes, control industrial processes, and optimize product quality.
Kistler offers a comprehensive range of sensors, electronics, and systems for engine development, automotive engineering, plastics processing, metalworking, assembly engineering, and biomechanics.
Thanks to its 30 Sales and Production Centers, three Tech Centers, as well as more than 30 agencies, the Group is present on every continent. This allows customers to benefit from local contacts as well as application support tailored to their needs.
The Kistler Group employs more than 1,400 people and, in the 2014 financial year, achieved sales of 319 million CHF.
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