Porous disc grinding tool segments

An abrasive segment for a segmented grinding wheel includes a composite of super-abrasive grains and a metal bond matrix sintered together. The sintered composite includes interconnected pores contributing between 50 to 80 percent of the total volume of the composite, the other parts of the volume b...

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Bibliographische Detailangaben
Hauptverfasser:	RAMANATH, SRINIVASAN, WILSON, JASON R, BULJAN, SERGEJ-TOMISLAV, IKEDA, JERI ANN S
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON DYES GENERAL PROCESSES OF COMPOUNDING GRINDING MACHINE TOOLS MAKING GEARS OR TOOTHED RACKS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES POLISHING THEIR PREPARATION OR CHEMICAL WORKING-UP TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	An abrasive segment for a segmented grinding wheel includes a composite of super-abrasive grains and a metal bond matrix sintered together. The sintered composite includes interconnected pores contributing between 50 to 80 percent of the total volume of the composite, the other parts of the volume being 0.5 to 25percent abrasive grains and 19.5 to 49.5 percent metal bond material. The metal bond material is 35 to 70 percent by weight of copper, 30 to 65 percent weight of tin, and 0.2 to 1.0 percent weight of phosphorus. The super-abrasive grains are selected from diamond and cubic boron nitride with an average particle size of less than 300 microns.