Drive Unit for a Machine Tool generates a prestressing force of bolts of a Pump Unit, a Valve Unit,A Control Unit, a Processing Unit and a Data Acquisition Unit connected and / or Integrated with the processing unit; method for determining strength of Prestressed bolts; method for the adjustment and / or loosen a Screw Connection apparatus for manipulating a threaded Element;

摘要

Drive Unit for a Power Tool includes a Pump Unit (2), (3) a Valve Unit and a Control Unit (8) to activate the pump Unit (2) and a Processing Unit (5) with an output unit and a unit of Data (6); and associated method