METHOD AND DEVICE FOR MANUFACTURING BLADE HOLDING PIECE

PROBLEM TO BE SOLVED: To provide a blade holding piece manufacturing method and a manufacturing device thereof for improving the dimensional accuracy of a manufactured retainer, preventing any formation of dents or the like on a surface, and improving the production efficiency in a step of cutting a...

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Bibliographische Detailangaben
Hauptverfasser:	NAMATAME TAKESHI, TABUCHI KENJIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING BROACHING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL FILING GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS PLANING PUNCHING METAL SAWING SCRAPING SHEARING SLOTTING STEAM ENGINES TRANSPORTING WEAPONS 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 blade holding piece manufacturing method and a manufacturing device thereof for improving the dimensional accuracy of a manufactured retainer, preventing any formation of dents or the like on a surface, and improving the production efficiency in a step of cutting and bending a material of a blade holding piece. SOLUTION: The material is sheared to a predetermined dimension by arranging a buffer member on a part with one end of the material located thereon, abutting a tip of the material on a cutting stopper having a buffer on an end thereof, and pressing a tip of the material against the buffer member by the cutting operation of a cutting punch. In a bending method of a cut material (blank), a bending punch 36 is lowered to press a blank 21, the rising pressure is generated in a receiving slide 32 by the stress exerted in a slide spring 30, the blank 21 is clamped by the bending punch 36 and the receiving slide 32, and a free end of the blank is bent by the external force so that the clamped condition is not lost. COPYRIGHT: (C)2004,JPO