Reshaping of components of ductile materials

Details Reshaping of components of ductile materials Reshaping of components of ductile materials

1976-03-25

1978-03-14

Larson, Lowell A.

Metal deforming

With use of control means energized in response to activator...

Sensing work or product

72 30, 72 33, 72378, 72702, B21D 1100

Patent

active

040784070

ABSTRACT:
In order to accurately control a process in which a structural component of ductile material is subjected to a change in shape by the application of a progressively increasing deformation force while measuring the resulting deformation, the measured deformation is employed to derive a representation of a nominal deformation force which varies as a predetermined function of deformation over a selected deformation range, the representation is compared with the applied deformation force, and the application of the deformation force is terminated upon arriving at a deformation amount for which the applied deformation force coincides in value with the nominal deformation force.

REFERENCES:
patent: 2945547 (1960-07-01), Bower et al.
patent: 3156287 (1964-11-01), Munro
patent: 3777525 (1973-12-01), Peddinghaus

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