Strain sensor uses piezoelectric elements

August 8, 2006

The Force/Torque Div. of PCB® Piezotronics Inc. has introduced M240 ICP® strain sensors that use piezoelectric sensing elements to indirectly measure dynamic and quasistatic forces on machinery structures.

The strain sensors have no moving parts and are not susceptible to fatigue or sensitivity changes throughout millions of cycles. In typical applications, upper and lower control limits are set to follow a desired force curve for the process, and if the actual force curve deviates from the control limits, the process is shut down. This prevents the acceptance of nonconforming parts as finished goods.

Applications include clinching, crimping, metal forming, pressing, punching, spot welding, stamping, and automatic assembly operations. The sensors can be powered by any ICP sensor signal conditioner.



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