Kontinuierliches Trockenziehverfahren und dazugehörige Vorrichtung

Disclosed is a method of drawing a metal wire to a specified diameter using a continuous dry drawing apparatus including a plurality of die units disposed in series, each of the die unit being composed of a dry lubricant unit for applying a dry lubricant on the surface of a metal wire and a die prov...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SADAKANE, KATSUYUKI, KAWAKAMI, HEIJIRO, KANESADA, YASUYUKI, KATSUBE, KOZO, TAKATSUKA, KOHRO
Format:	Patent
Sprache:	ger
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:	Disclosed is a method of drawing a metal wire to a specified diameter using a continuous dry drawing apparatus including a plurality of die units disposed in series, each of the die unit being composed of a dry lubricant unit for applying a dry lubricant on the surface of a metal wire and a die provided on the downstream side of the dry lubricant unit, the method comprising an intermediate coating process of forming a coating film on the surface of the metal wire for enhancing the picking-up of a dry lubricant for subsequent die-drawing, in at least one of the spaces between adjacent die units. With this method, seizure of the die is prevented and the drawing speed is significantly enhanced.