Two-pass roll forging die for automobile front axle

The utility model relates to the technical field of automobile front axle machining, in particular to a secondary roll forging die for an automobile front axle. Comprising a body; the main body is arc-shaped; a cavity, an extension cavity and an extension part are arranged on the main body; the cavi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JIAO WEI, WANG CHAO, LI DAOBO
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model relates to the technical field of automobile front axle machining, in particular to a secondary roll forging die for an automobile front axle. Comprising a body; the main body is arc-shaped; a cavity, an extension cavity and an extension part are arranged on the main body; the cavity and the extension cavity are formed in the circumferential direction of the main body from the head end of the main body to the tail end of the main body; the extension part is fixedly arranged at the end of the body. In the prior art, three roll forging machining processes are carried out on the automobile front axle, on one hand, more roll forging dies are needed, and therefore the purchase cost and the maintenance cost of the roll forging dies are relatively high. And on the other hand, the time needed by roll forging machining is relatively long, the heat loss of raw materials is large, and unnecessary resource waste is caused. Compared with the prior art, the die is reasonably adjusted, and the original thr