METHOD FOR MAKING RING-LIKE CONE GEAR WHEEL FORGED PIECES

FIELD: plastic working of metals, namely forging production, manufacture of forged pieces of ring-like cone gear wheels with diameter 638 mm and with wide massive rim. ^ SUBSTANCE: method comprises steps of preliminarily upsetting initial blank with diameter 250 mm and length 335 mm; then subjecting...

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Hauptverfasser:	ANNENKOV KONSTANTIN VLADIMIROVICH, ZUEV STANISLAV PAVLOVICH, TJAZHEL'NIKOV VJACHESLAV MIKHAJLOVICH, KAPLUNOV BORIS GRIGOR'EVICH, SOKOLOV ANDREJ 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: plastic working of metals, namely forging production, manufacture of forged pieces of ring-like cone gear wheels with diameter 638 mm and with wide massive rim. ^ SUBSTANCE: method comprises steps of preliminarily upsetting initial blank with diameter 250 mm and length 335 mm; then subjecting upset blank to non-complete open broaching and its further die forging. All operations are realized in the same die set. Preliminary upsetting is performed on flat striker with diameter 350 mm till achieving diameter of upset blank equal to said value. Striker is arranged in central portion of die set impression before broaching and after broaching it is removed. Non-complete open broaching of upset blank is realized by means of detachable cone broach with mounting land having diameter 270 mm. ^ EFFECT: improved quality of produced forged pieces. ^ 8 dwg, 1 ex