Stamping and forming machine having toggles for reciprocating th

Details Stamping and forming machine having toggles for reciprocating th Stamping and forming machine having toggles for reciprocating th

1989-03-17

1990-06-19

Jones, David

Metal deforming

With means to drive tool

Including link-actuated tool support

72450, 72452, 72407, 100264, 100286, 100272, B21J 918

Patent

active

049341731

ABSTRACT:
Stamping and forming machine of the type having opposed tooling assemblies which are reciprocable towards and away from each other has toggle mechanisms for moving the tooling assemblies along their paths of reciprocation. Each toggle mechanism has one toggle link pivoted to a tooling assembly and another toggle link pivoted at a fixed pivot location. The fixed location pivots are adjustable in order to control the position of the tooling assemblies when they are in their closed positions. Additionally, adjustable wear plates are provided in the passageway in which the tooling assemblies are mounted. Advantages achieved include reduced manufacturing cost for the machine, potential for high operating speeds, and compactness when desired.

REFERENCES:
patent: 2633765 (1953-04-01), Glasner
patent: 3488990 (1970-01-01), Brown
patent: 3620067 (1971-11-01), Ross
patent: 3661008 (1972-05-01), Richardson
patent: 3926033 (1975-12-01), Forichon
patent: 4133260 (1979-01-01), Gundal
patent: 4448119 (1984-05-01), Williamson
patent: 4497196 (1989-03-01), Bakermans et al.
patent: 4660452 (1987-04-01), Leinhaas
patent: 4809529 (1989-03-01), Shinozawa et al.

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