SHEAR CUTTING TOOL

PROBLEM TO BE SOLVED: To provide a shear cutting tool which achieves a long life by suppressing the peeling of a coating layer.SOLUTION: A chrome coating layer 31 is applied to the surface of a plurality of blades 23, 24 provided on the outer periphery of gear type cutters 11, 12. A chromium nitride...

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Bibliographische Detailangaben
Hauptverfasser:	YASUI TOYOAKI, SAKAKIBARA NORIYUKI, YASUNAKA SATOSHI, MISAKI MASANOBU
Format:	Patent
Sprache:	eng
Schlagworte:	BROACHING FILING LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLANING PUNCHING METAL SAWING SCRAPING SHEARING SLOTTING TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a shear cutting tool which achieves a long life by suppressing the peeling of a coating layer.SOLUTION: A chrome coating layer 31 is applied to the surface of a plurality of blades 23, 24 provided on the outer periphery of gear type cutters 11, 12. A chromium nitride coating layer 32 is applied to the surface of the chrome coating layer 31.