Grinding machine

A grinding machine ( 1 ) for grinding a workpiece ( 40 ) comprises the following components: a cup wheel ( 10 ) having an annular grinding surface ( 11 ); a disc-shaped electrode ( 60 ), which is positioned in the vicinity of at least a portion of the grinding surface ( 11 ) such that a dressing are...

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Bibliographische Detailangaben
1. Verfasser:	KNAAPEN RAYMOND J. W.,DONA MARINUS J. J.,KRASTEV KRASSIMIR T.,VIJFVINKEL JAKOB,VAN RENS PIET C. J
Format:	Patent
Sprache:	eng
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GRINDING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS POLISHING REGULATING TRANSPORTING
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Beschreibung
Zusammenfassung:	A grinding machine ( 1 ) for grinding a workpiece ( 40 ) comprises the following components: a cup wheel ( 10 ) having an annular grinding surface ( 11 ); a disc-shaped electrode ( 60 ), which is positioned in the vicinity of at least a portion of the grinding surface ( 11 ) such that a dressing area ( 75 ) is obtained in which a relatively small gap is present between the electrode ( 60 ) and the grinding surface ( 11 ), feed means ( 70 ) for feeding electrolyte to the dressing area ( 75 ); and a generator ( 20 ) for generating an electric current between the grinding surface ( 11 ) and the electrode ( 60 ), via the electrolyte. The electrode ( 60 ) is movable with respect to the dressing area ( 75 ), so that contamination of the electrode ( 60 ), which normally occurs as a result of the dressing process, is continuously removed. Consequently, the quality of the dressing process is maintained at a high level.