Upsetter

Details Upsetter Upsetter

1982-01-27

1985-11-12

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

72357, 72452, 72450, 72416, B21D 706, B21D 4102

Patent

active

045520097

ABSTRACT:
An upsetter having a bed, a grip tong having one end thereof pivotally connected to one end of the bed, a row of split dies provided at the other free ends of the bed and grip tong and each having opposing upset die sections and clamp die sections, an upset mechanism including punches extractably protrudable into the dies, and a pair of pull rods pivotally supported on opposite sides of the dies to impart a required die closing force to the respective dies when tensioned, an upsetter mechanism for adjusting the tensile force of the pull rods to produce a desired die closing force which includes a clamping force closing the clamp die sections and a gripping force closing the upset die section in the forging stage, permitting adjustment of the clamping and gripping forces independently to each other.

REFERENCES:
patent: 144969 (1873-11-01), Evans
patent: 880567 (1908-03-01), Palmer
patent: 1633970 (1927-06-01), Ball
patent: 1778358 (1930-10-01), Glasner
patent: 2341602 (1944-02-01), Dewey
patent: 2682186 (1954-06-01), Riemenschneider
patent: 2796109 (1957-06-01), Wood
patent: 3100409 (1963-08-01), Esser et al.
patent: 3354694 (1967-11-01), Schwartz
patent: 3991681 (1976-11-01), Antosiak
patent: 4148137 (1979-04-01), Kindig
patent: 4441353 (1984-04-01), Asari et al.

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