Method of dressing a forge die in the implementation of parts obtained by two successive operations of foundry casting followed by forging

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United States of America Patent

PATENT NO 10369619
APP PUB NO 20140373592A1
SERIAL NO

14369371

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Abstract

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A method includes creating, in a foundry, a preform to the desired shape and size, in transferring this preform from the foundry to a tunnel oven, then preheating it to a temperature of around 500° C., transferring the preheated foundry preform into a die forge with a substantially smaller size and shape, and performing the die punching operation at a pressure of between 600 and 700 MPA, before the transfer of the preheated foundry preform to the forge die, the forge die and pins for positioning the preform are put through a powder-spraying operation on the entire inner surface of the forge die which is liable to receive the preheated foundry preform and the pins.

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Patent Owner(s)

  • SAINT JEAN INDUSTRIES

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Di, Serio Emile Chenas, FR 3 1
Soubras, Fabien Belleville sur Saone, FR 1 0

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