Peening shot curving

Details Peening shot curving Peening shot curving

1989-12-13

1991-12-17

Jones, David

Metal deforming

By shot-blasting

29 907, 51319, B21J 500, C21D 706

Patent

active

050726064

ABSTRACT:
A method of shaping planar parts which have an elastic and plastic range for making components which are curved two dimensionally around two axes under utilization of a high pressure peening shot beam comprises the steps of tension positioning the part to obtain through elastic deformation to obtain the desired contour; peening the surface of the part to be deformed by running a beam of shot along track lines which are essentially lines of equal strain in the parts to be made; controlling the peening shot beam energy such that more central parts receive shot at a higher energy than more peripheral parts of said part; repeating the aforementioned steps on the other side of the part; and separately peening shot treating at least some of thicker edge parts, so as to obtain plastic deformation.

REFERENCES:
patent: 3668912 (1972-06-01), Baughman et al.
patent: 3705511 (1972-12-01), Brandel et al.
patent: 4329862 (1982-05-01), Harburn et al.
patent: 4694672 (1987-09-01), Baughman
John Vaccari, "Peen Forming Enters the Computer Age", 6/1985, pp. 91-94.

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