Grinding apparatus with load control

The invention relates to a grinding apparatus (1, 100) for grinding the hard metal inserts of rock drill bits. The grinding apparatus (1, 100) has a grinding machine (2, 102) equipped with a grinding cup driven by a motor to rotate about its longitudinal axis. The support system comprises an arm or...

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Bibliographische Detailangaben
Hauptverfasser:	SJÖLANDER, Bo Thomas, SJÖLANDER, Björn
Format:	Patent
Sprache:	eng
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT 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 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 PERFORMING OPERATIONS POLISHING TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a grinding apparatus (1, 100) for grinding the hard metal inserts of rock drill bits. The grinding apparatus (1, 100) has a grinding machine (2, 102) equipped with a grinding cup driven by a motor to rotate about its longitudinal axis. The support system comprises an arm or lever system (6, 106) to control vertical movement of the grinding machine (2) and means to provide grinding pressure. The means to provide grinding pressure may be a linear actuator (26, 116) and load cell assembly (29) pivotally connected to the arm or lever system (6, 106).