METHOD FOR MANUFACTURE OF FORGED PIECE WITH HIGH HUB PORTION HAVING DEEP CAVITY BY MEANS OF HOT STAMPING

FIELD: technological processes. ^ SUBSTANCE: by means of preliminary hammer stamping, preliminary forged piece is produced with tapered hub piece. Then final forged piece is molded with tapered hub piece by stamping in trimming press with burr cutting and punching of deep cavity. Heights of hub port...

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Bibliographische Detailangaben
Hauptverfasser:	GILJAZHEV IL'SHAT NABIBOVICH, ZUEV STANISLAV PAVLOVICH, KAPLUNOV BORIS GRIGOR'EVICH, TJAZHEL'NIKOV VJACHESLAV MIKHAJLOVICH, ZIN'KOV KONSTANTIN VLADIMIROVICH, PYZHOV IGOR' JAKOVLEVICH
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: technological processes. ^ SUBSTANCE: by means of preliminary hammer stamping, preliminary forged piece is produced with tapered hub piece. Then final forged piece is molded with tapered hub piece by stamping in trimming press with burr cutting and punching of deep cavity. Heights of hub portions in preliminary and final forged pieces are equal to each other. Angle of preliminary forged piece hub portion taper exceeds angle of final forged piece tapered hub portion cone. At that difference between volume of tapered cone that creates tapered hub portion of preliminary forged piece and volume of truncated taper that creates tapered hub portion of final forged piece, is equal to volume of punched deep cavity. Punching is done with expansion of preliminary forged piece hub portion. ^ EFFECT: higher quality of forged pieces and lower power inputs in their manufacture. ^ 4 dwg