Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1977-12-01
1979-11-27
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
10 76T, 10 77, 10 78, B21D 2200
Patent
active
041754174
ABSTRACT:
A high compression forming machine for forming workpieces such as nuts or like objects includes a toggle action subassembly for operating a Geneva-driven opposed-rams-press and cooperant vertically-disposed multiposition bolster or turret rotatably mounted relative to a frame about a horizontally-extending central axis and having a plurality of spaced, arcuately-arranged horizontally-extending work-receiving cavities extended therethrough, the center of each cavity being located with equal circular pitch along the circumference of a circle and allocated in order of successive operations in the work-forming process. It sequentially deforms workpieces through a simultaneous application thereto of opposing mechanical forces at opposite ends of the workpieces in a step-by-step manner as the bolster is sequentially rotated through a series of stations. The center of each cavity is located with equal circular pitch along the circumference of a circle and about a drive shaft adapted to transmit the intermittent rotary motion giving the step-by-step operation, the cavities being allocated in order of successive operations in the work-forming sequence.
REFERENCES:
patent: 1970430 (1934-08-01), Nussbaum
patent: 1993137 (1935-03-01), Gibney
patent: 2015595 (1935-09-01), Frazer
patent: 2149578 (1939-03-01), Carney
patent: 2657403 (1955-11-01), Eade et al.
Cassanelli Ernest M.
Ferrero John B.
Vergnani Leo H.
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