POROUS ABRASIVE TOOL AND METHOD FOR MAKING THE SAME

AN ABRASIVE ARTICLE INCLUDING FROM ABOUT 40 TO ABOUT 80 VOLUME PERCENT INTERCONNECTED POROSITY, THE ARTICLE BEING USEFUL AS A SEGMENT (10) FOR A SEGMENTED GRINDING WHEEL (100), AND A METHOD FOR FABRICATING THE SAME. THE METHOD INCLUDES BLENDING A MIXTURE OF ABRASIVE GRAIN, BOND MATERIAL AND DISPERSO...

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Hauptverfasser:	JERI ANN S. IKEDA, SRINIVASAN RAMANATH, JASON R. WILSON, SERGEJ-TOMISLAV BULJAN
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 HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES POLISHING SLEDGES THEIR PREPARATION OR CHEMICAL WORKING-UP TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	AN ABRASIVE ARTICLE INCLUDING FROM ABOUT 40 TO ABOUT 80 VOLUME PERCENT INTERCONNECTED POROSITY, THE ARTICLE BEING USEFUL AS A SEGMENT (10) FOR A SEGMENTED GRINDING WHEEL (100), AND A METHOD FOR FABRICATING THE SAME. THE METHOD INCLUDES BLENDING A MIXTURE OF ABRASIVE GRAIN, BOND MATERIAL AND DISPERSOID PARTICLES, THE MIXTURE INCLUDING FROM ABOUT 40 TO ABOUT 80 VOLUME PERCENT DISPERSOID PARTICLES. IN ONE EMBODIMENT THE MIXTURE INCLUDES FROM ABOUT 50 TO ABOUT 80 VOLUME PERCENT DISPERSOID PARTICLES. IN ANOTHER EMBODIMENT THE MIXTURE INCLUDES AN ORGANIC BOND MATERIAL AND FROM ABOUT 40 TO ABOUT 80 VOLUME PERCENT DISPERSOID PARTICLES. THE POWDER MIXTURE IS THEN PRESSED INTO AN ABRASIVE LADEN COMPOSITE AND THERMALLY PROCESSED. AFTER COOLING THE COMPOSITE IS IMMERSED INTO A SOLVENT, WHICH DISSOLVES SUBSTANTIALLY ALL OF THE DISPERSOID PARTICLES, LEAVING A HIGHLY POROUS, BONDED ABRASIVE ARTICLE. THE MOST ILLUSTRATIVE DRAWING IS (FIGURE 2A)