Integrated die forge forming method for flange valve

A method for manufacturing the whole valve body of a flanged valve by die forging includes such steps as blanking, primary forging to make its external diameter greater than that of flanges at both ends, pressing its middle part, unidirectional forging, cutting off edge, and fine forging.

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Bibliographic Details
Main Author ANSHENG YANG
Format Patent
LanguageEnglish
Published 20.06.2007
Subjects
FORGE FURNACES
FORGING
HAMMERING
MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSING METAL
PUNCHING METAL
RIVETING
TRANSPORTING
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Summary:A method for manufacturing the whole valve body of a flanged valve by die forging includes such steps as blanking, primary forging to make its external diameter greater than that of flanges at both ends, pressing its middle part, unidirectional forging, cutting off edge, and fine forging.
Bibliography:Application Number: CN2006146703