METHOD FOR MAKING HOLLOW THIN-WALL PARTS

FIELD: plastic working of metal, possibly manufacture of hollow thin-wall parts. ^ SUBSTANCE: method comprises steps of producing initial blank; calibrating it; then pressing it out and drawing. Near-bottom cylindrical portion of wall and bottom portion are shaped in die. Diameter of said die is les...

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Bibliographische Detailangaben
Hauptverfasser:	EGOROV NIKOLAJ SERGEEVICH, ANDREEV VLADIMIR NIKOLAEVICH, IGNAT'EV VLADIMIR PAVLOVICH, KARGIN VITALIJ ALEKSEEVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	FORGE FURNACES FORGING HAMMERING MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING TRANSPORTING
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Beschreibung
Zusammenfassung:	FIELD: plastic working of metal, possibly manufacture of hollow thin-wall parts. ^ SUBSTANCE: method comprises steps of producing initial blank; calibrating it; then pressing it out and drawing. Near-bottom cylindrical portion of wall and bottom portion are shaped in die. Diameter of said die is less than diameter of part by value of elastic deformation of wall of near-bottom portion of part. ^ EFFECT: improved quality of ready part. ^ 4 dwg, 1 ex