"A POLYMER COMPOSITION COMPRISING A POLYOLEFIN PRODUCED IN A HIGH PRESSURE PROCESS, A HIGH PRESSURE PROCESS AND AN ARTICLE"

In a pilot hole (21) of a workpiece (20) made of a difficult-to-cut cast iron, a cutting tool (10) having a leading end to which a cutting insert (11) is attached is inserted to cut the surface of the wall of the pilot hole (21). At this time, the cutting tool (10) rotates about an axis (a) and also...

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Bibliographische Detailangaben
Hauptverfasser:	BLOK, ACHIM, VOIGT, BJORN, NILSSON, ULF, SMEDBERG, ANNIKA, CAMPUS, ALFRED
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	In a pilot hole (21) of a workpiece (20) made of a difficult-to-cut cast iron, a cutting tool (10) having a leading end to which a cutting insert (11) is attached is inserted to cut the surface of the wall of the pilot hole (21). At this time, the cutting tool (10) rotates about an axis (a) and also revolves about another axis (P), so that contouring is performed on the workpiece (20) by the tool (10). The cutting insert (11) is formed of a sintered body having a CBN content of not less than 85% by volume, and the cutting insert (11) has a thermal conductivity of not less than 100 W/(mK).