Precision deep peening with mechanical indicator

Details Precision deep peening with mechanical indicator Precision deep peening with mechanical indicator

1997-06-30

1998-06-30

Jones, David

Metal deforming

By shot-blasting

29 907, B21J 920

Patent

active

057717290

ABSTRACT:
An apparatus produces compressive stress in a component surface. Positioning of a contact area of the component surface is controlled to situate a contact area of the component surface relative to an indenter element. The indenter element is fixtured to cause an indentation at the contact area. The force of the indentation is measured as the indenter element contacts the contact area, and controlled responsive to the amount of force measured and the desired compression. The system allows deep compressive stresses to be generated without the surface damage associated with conventional peening.

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patent: 4974434 (1990-12-01), Reccius et al.
patent: 5591009 (1997-01-01), Mannava et al.

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