Other

Hans-Juergen Gittel

Roland Fischer

Wilhelm Kalmbach

Kurt Kalmbach

Ewald Westfal

Michael Oertel

The invention relative to a device for machining workpieces comprising: a chip removing, rotating tool ( ) configured substantially as a hollow body including at least one cutter ( ), a portion of the tool adjoining the cutter ( ) being penetrated by a chip receiving opening ( ) for communicating chips into a tool cavity; and an exhaust means including a stationary exhaust housing ( ) configured substantially as a hollow body communicating with the cavity ( ) at least in part and in connection with at least one exhaust air source; the communicating portion of the exhaust housing ( ) comprising in the region of the cutter ( ) a chip communicating window ( ) porting into an exhaust passage ( ) of the exhaust housing ( ); and the exhaust passage comprising in an exhaust passage section upstream of the chip communicating window ( ), relative to the exhaust direction, at least one auxiliary air infeed opening. The invention relates furthermore to a method for machining workpieces by means of one such device.

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Rottenburg, Germany

Hans-Juergen Gittel