FORGING DEVICE AND FORGING METHOD

PROBLEM TO BE SOLVED: To provide a forging device and a forging method capable of forming a hollow bag form having an enlarged inside in relation to an opening easily with a few man-hours. SOLUTION: This forging device has a splittable forging die in which a cavity having an evaginating part 6 is fo...

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Bibliographic Details
Main Author NAGAIWA HIROYUKI
Format Patent
LanguageEnglish
Published 15.01.2003
Edition7
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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Abstract PROBLEM TO BE SOLVED: To provide a forging device and a forging method capable of forming a hollow bag form having an enlarged inside in relation to an opening easily with a few man-hours. SOLUTION: This forging device has a splittable forging die in which a cavity having an evaginating part 6 is formed inside from the opening, and a punch 1 is arranged in the opening so as to be freely insertable and extractable. After the plastic deformation of a material arranged in the cavity is performed by the punch 1, a medium is jetted from a medium jetting port 7 which communicates with a medium passage 5 formed inside the punch 1 to press the material on the surface of the cavity.
AbstractList PROBLEM TO BE SOLVED: To provide a forging device and a forging method capable of forming a hollow bag form having an enlarged inside in relation to an opening easily with a few man-hours. SOLUTION: This forging device has a splittable forging die in which a cavity having an evaginating part 6 is formed inside from the opening, and a punch 1 is arranged in the opening so as to be freely insertable and extractable. After the plastic deformation of a material arranged in the cavity is performed by the punch 1, a medium is jetted from a medium jetting port 7 which communicates with a medium passage 5 formed inside the punch 1 to press the material on the surface of the cavity.
Author NAGAIWA HIROYUKI
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Snippet PROBLEM TO BE SOLVED: To provide a forging device and a forging method capable of forming a hollow bag form having an enlarged inside in relation to an opening...
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SourceType Open Access Repository
SubjectTerms 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
Title FORGING DEVICE AND FORGING METHOD
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