HOLLOW PART MAKING METHOD

FIELD: plastic working of metals, possibly manufacture of hollow parts by die forging. ^ SUBSTANCE: method comprises steps of pressing out initial blank by means of punch into die; defining bottom portion, walls and upper end of part and forming compensation flash; centering punch according to inner...

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Bibliographische Detailangaben
Hauptverfasser:	KARGIN V.A, KHASANOV R.SH, IGNAT'EV V.P, ANDREEV V.N
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, possibly manufacture of hollow parts by die forging. ^ SUBSTANCE: method comprises steps of pressing out initial blank by means of punch into die; defining bottom portion, walls and upper end of part and forming compensation flash; centering punch according to inner surface of die; forming compensation flash by means of grooves arranged on surface of punch; using said grooves for discharging air out of part cavity. ^ EFFECT: enlarged manufacturing possibilities of method. ^ 2 dwg