FORGING METHOD

PURPOSE:To reduce the forging cost of a large-sized super metal, etc., by removing the plate stock of the specified temp. in the shape corresponding to the block divided into the work face whose eccentric load is less than an allowable value after pressurizing it by interposing between a die and the...

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Bibliographic Details
Main Authors MIYANO SHIGERU, HARADA KEIJI, HISAMITSU SHIGEYUKI, HASHIGUCHI YUKIHIRO, FUKUYASU TOMIHIKO
Format Patent
LanguageEnglish
Published 16.10.1989
Subjects
FORGE FURNACES
FORGING
HAMMERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSING METAL
PUNCHING METAL
RIVETING
TRANSPORTING
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Summary:PURPOSE:To reduce the forging cost of a large-sized super metal, etc., by removing the plate stock of the specified temp. in the shape corresponding to the block divided into the work face whose eccentric load is less than an allowable value after pressurizing it by interposing between a die and the body to be worked and pressurizing it in the specified times. CONSTITUTION:A work face is divided into a center block 11 and the block 12 excepting it so that the eccentric load of a forging machine becomes less than an allowable value. The plate stock 3 in the shape corresponding to the center block 11 is mounted on the body 1 to be worked and pressurized by an upper die 22. The plate stock 3 is made 80-120 deg.C lower than the work temp. The body 1 to be worked is pressurized more than once by the die 22 by removing the plate stock 3. Consequently the forging cost of a large-sized super alloy, etc., can be reduced.
Bibliography:Application Number: JP19880084789