Corus Technology B.v.

Johan Jacob Hendrick Wesselink

Tamis Lambertus Maria Leek

Johannes De Lange

Device for accurate position control of a force-transmitting system comprising at least one solid-state piezo actuator ( ), wherein the piezo actuator ( )comprises a metal block ( ) which is positioned between end plates ( ) and in the direction of the force has at least one duct ( ) into each of which a stacked piezo element ( ) fits. The height of the block ( ) is shorter than the length of the piezo elements ( ) and the difference in height corresponds to the shortening of the piezo elements ( ) under the maximum permissible axial load acting thereon, and wherein the piezo actuator ( ) is incorporated transversely to the direction of force, without play, in such a way into an element of the force-transmitting system that only a force in the axial direction of the ducts ( ) can be transmitted to the piezo elements ( ).

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Velserbroek, Netherlands

Johan Jacob Hendrick Wesselink