Method and device for shaping details by means of superplastic f

Details Method and device for shaping details by means of superplastic f Method and device for shaping details by means of superplastic f

1995-08-28

1997-01-14

Jones, David

Metal deforming

By application of fluent medium, or energy field

Using fixed die

7234294, 72709, B21D 2602

Patent

active

055928420

ABSTRACT:
A method and an apparatus for forming details in a foil or plate material by means of superplastic forming, wherein the foil or plate material is heated over a selected localized area to a suitable temperature and simultaneously exposed to a fluid pressure so that the material is slowly deformed to a predetermined desired shape. Localized heating of the foil or plate is provided by guiding a laser beam (17) over the selected localized area of the foil or plate (12).

REFERENCES:
patent: 3898827 (1975-08-01), Swanson
patent: 4181000 (1980-01-01), Hamilton et al.
patent: 4474044 (1984-10-01), Leistner et al.
patent: 4936008 (1990-06-01), Teresi et al.
patent: 5359872 (1994-11-01), Nashiki

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