METHOD OF MANUFACTURING IMPELLER FOR COMPRESSOR

PROBLEM TO BE SOLVED: To provide a method of manufacturing an impeller for a compressor securing sufficient strength by preventing occurrence of an internal fault, providing high shaping accuracy, and improving productivity. SOLUTION: This method of manufacturing an impeller for a compressor includi...

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Bibliographische Detailangaben
Hauptverfasser:	KOBAYASHI MASAYUKI, KUWABARA KENKICHI, ISOTANI TOMOYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS PUNCHING METAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of manufacturing an impeller for a compressor securing sufficient strength by preventing occurrence of an internal fault, providing high shaping accuracy, and improving productivity. SOLUTION: This method of manufacturing an impeller for a compressor including a plurality of vane parts includes: a forging process for manufacturing an intermediate product 3a formed with a plurality of vane part precursors 5a drawn from a die without destroying or deforming a forging die after molding by using a forging die having a cavity formed into a shape of the intermediate product 3 of the impeller to mold a solid raw material with die forging; a bending process for bending the vane part precursor 5a into a predetermined direction; and a cutting process for forming the vane part by cutting the vane part precursor 5a into a desirable shape. COPYRIGHT: (C)2011,JPO&INPIT