Mannesmann Aktiengesellschaft

Volker Langguth

Wolf-Dieter Goedecke

Wolfgang Bauspiess

Reinhard Klein

Disclosed is a process for operating a pressure-operated positioning tool or gripping and clamping tool and a tool itself, in which the position of at least one adjusting member is determined and the valve-actuated supply of pressure medium to the adjusting member is regulated depending on position. To take into account the elasticity of the contact elements in the target position and to exert influence after the target position has been reached in a process and in a tool of the generic type, the regulating of the valve-actuated supply of pressure medium is not only effected in a position-dependent manner, but also takes into account the pressure of the pressure medium.

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St. Georgen, Germany

Volker Langguth