DIAMOND DRILL AND PRODUCTION THEREOF

PURPOSE: To provide an inexpensive diamond drill cutting tool not requiring a special fine discharge processing machine or soldering treatment, easy in the processing of the spiral groove shape of a drill and having a long life and good processability. CONSTITUTION: A fine wire material 2 is spirall...

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Bibliographische Detailangaben
1. Verfasser:	FURUTAKI TOSHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BORING COMBINED OPERATIONS GRINDING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS POLISHING TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING TURNING UNIVERSAL MACHINE TOOLS WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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Beschreibung
Zusammenfassung:	PURPOSE: To provide an inexpensive diamond drill cutting tool not requiring a special fine discharge processing machine or soldering treatment, easy in the processing of the spiral groove shape of a drill and having a long life and good processability. CONSTITUTION: A fine wire material 2 is spirally wound around the leading end part of the core material 1 of a drill cutting tool so as to form a spiral groove for discharging a cut powder to form a spiral uneven part on the outer peripheral surface of the core material 1 and a diamond film 3 is formed on the surface thereof by CVD (chemical vapor phase synthesizing method).