SAWING BEADS AND METHOD FOR MAKING THE SAME

A method to make sawing beads by means of laser cladding is disclosed whereby metal matrix powder is molten by means of a laser beam on a rotating sleeve while diamonds are thrown in the molten metal pool. By carefully controlling the temperature of the molten metal pool at or above 1150° C. for les...

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Bibliographische Detailangaben
Hauptverfasser:	TOM BAEKELANDT, ROLAND GROENEN, JAN VANEECKE
Format:	Patent
Sprache:	eng
Schlagworte:	BROACHING FILING LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLANING SAWING SCRAPING SHEARING SLOTTING TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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Beschreibung
Zusammenfassung:	A method to make sawing beads by means of laser cladding is disclosed whereby metal matrix powder is molten by means of a laser beam on a rotating sleeve while diamonds are thrown in the molten metal pool. By carefully controlling the temperature of the molten metal pool at or above 1150° C. for less than 200 ms the internal graphitisation of the diamonds can be limited. Although some of the diamonds in the sawing bead show internal graphitisation it is demonstrated by the inventors that a sawing cord using the bead obtained by the method has an above standard sawing performance.