TRAFILATRICE PER LA TRAFILATURA CONTINUTA DI TUBI SU BARRA

The continuous operation drawing bench produces thin walled tubes using a link drawing material. The bench has a drawing die and two parallel drag chains (21,22) fitted in front of the die and comprising pressure elements. The drag chain has in one of its links a stop lug (24) which is movable in a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ALEXANDR VASILIEVICH BUSHEV, NIKOLAI VASILIEVICH NIZOVTSEV, VLADIMIR IVANOVICH VASEV, EVGENY VASILIEVICH FEDOTOV, NIKOLAI DMITRIEVICH SMIRNOV, VALERY MIKHAILOVICH POPOV, NIKOLAI ALEXANDROVICH BABIR, PASHID ZAGIDULOVICH AKCHURIN
Format:	Patent
Sprache:	ita
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The continuous operation drawing bench produces thin walled tubes using a link drawing material. The bench has a drawing die and two parallel drag chains (21,22) fitted in front of the die and comprising pressure elements. The drag chain has in one of its links a stop lug (24) which is movable in a direction perpendicular to the drawing axis. This design allows continuous feed of the blank and at the same time the magnitude of the penetration force of the blank through the die is reduced. The stop lug is a lever (39) swivelling around a joint (38) with a spiral spring (40). The swivel motion of the arm is controlled by an axial cam on the face surface of the driving sprocket disc (43).