Witzig & Frank Gmbh

Frank Baumbusch

Walter Bauer

A technique for controlling a machining system having a plurality of machining stations for machining workpieces with a plurality of machining operations. Each of the plurality of machining operations is allocated automatically to a specific one of the machining stations to attain uniform utilization of the individual machining stations, to the extent possible. This facilitates the initial setup of the machining system as well as correcting the setup if machining errors or deviations occur.

Automatic allocation of machining operations to a plurality of machining stations

The invention relates to a machine tool comprising at least one machining unit having at least one work spindle which can be driven. The machine tool also comprises at least one tool magazine arranged in the working area, and has actuating devices for automatically shifting the tools between the tool holding fixture situated on the spindle and the tool holding fixture situated on the tool magazine. The tool holding fixture situated on the spindle is provided with a hydraulic expansion chuck which, with the aid of the spindle, can automatically press against the tool shaft of a tool.

Machine tool

A machine tool (,) has at least one but preferably two machining units (,), which are assigned to two workpiece receptacles (,). The machining units (,) are adjustable in three axes (X, Y, Z), and they can each reach both workpiece receptacles (,). The machining units (,) are oriented such that their work spindles (,) are in a preferably right space angle to one another. As a result, they can be moved past one another without colliding. Moreover, they can also work on the same workpiece at the same time. The workpiece receptacles are positionable independently of one another about a preferably but not necessarily common pivot axis (S). The workpieces are also rotatable about an axis (V) perpendicular to the pivot axis. This arrangement enables flexible machining of the workpieces from arbitrary directions in space. Because each machining unit (,) in principle can machine every side of the workpiece of every workpiece receptacle (,), both machining units (,can be utilized evenly. This minimizes idle times and time losses.

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Eberbach, Germany

Frank Baumbusch