Grinding tool for buttons on a rock drill bit

A grinding cup for detachable connection to the output drive shaft of a grinding machine for grinding buttons on drill bits or cutters, said grinding cup having top and bottom surfaces and consisting of a lower grinding section and an upper body section with a centrally disposed recess formed in the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Bo Thomas SJÖLANDER, Björn SJÖLANDER
Format:	Patent
Sprache:	eng ; swe
Schlagworte:	COMBINED OPERATIONS DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINE TOOLS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS POLISHING TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	A grinding cup for detachable connection to the output drive shaft of a grinding machine for grinding buttons on drill bits or cutters, said grinding cup having top and bottom surfaces and consisting of a lower grinding section and an upper body section with a centrally disposed recess formed in the bottom surface of the grinding section; said body section having a centrally disposed upright drive section formed on the top surface of the grinding cup, said drive section shaped and sized to both driveably engage within a corresponding recess at end of the output drive shaft and provide axial and radial support and retaining means for detachably connecting the grinding cup to the output drive shaft wherein said drive section has a non-circular cross section and is tapered from the top surface of the grinding cup to the free end of the drive section.