Method for forming work-pieces by drop forging

Metal deforming – By three or more coacting relatively movable tools – With means to actuate tools in sequence

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72420, 72422, B21D 4310

Patent

active

046710957

ABSTRACT:
The assembly and the invention accomplishes a method for forging work-pieces by drop forging. The method comprises the steps of providing a blank having a given volume of material corresponding at least to the volume of the work-piece to be produced. The drop forging assembly includes a swage having cooperating swage portions corresponding at least to the length of the work-piece to be produced. The blank is first forged along a predetermined portion of its length between the cooperating swage portions. Then, the remaining section of the blank is transported to the otherside of the same swage and forged between the cooperative swage portions. Devices are provided at either side of the operational faces of the swage so that a continuous movement of blanks, partially forged work-pieces and finished work-pieces may be effected in a continuous manner.

REFERENCES:
patent: 655719 (1900-08-01), Lanz
patent: 1186145 (1916-06-01), Stowe
patent: 1885648 (1932-11-01), Wilcox
patent: 1996819 (1935-04-01), Dean
patent: 2372507 (1945-03-01), Marsh
patent: 4008592 (1977-02-01), Hall et al.
patent: 4505144 (1985-03-01), Sakuma et al.
patent: 4510789 (1985-04-01), Tomioka et al.

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