Method of and a device for forming a projection on a metal member and a metal part processed by the method of forming a projection

The present invention provides a method of forming a solid projection having excellent mechanical properties on a metal member without supplying thermal energy from the outside, and a projection-forming device and a metal part having a projection manufactured thereby. The means for solving the probl...

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Bibliographic Details
Main Authors MOTOHASHI YOSHINOBU, YAMANOI SYUICHI, YUKUTAKE EITARO
Format Patent
LanguageEnglish
Published 01.09.2015
Subjects
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
FORGE FURNACES
FORGING
HAMMERING
MACHINE TOOLS
MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PRESSING METAL
PUNCHING METAL
RIVETING
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:The present invention provides a method of forming a solid projection having excellent mechanical properties on a metal member without supplying thermal energy from the outside, and a projection-forming device and a metal part having a projection manufactured thereby. The means for solving the problems is characterized in that the means is comprised of the processes of pressing the distal end 13a of the processing jig 13 having the hole-opening and a cavity 13b at the distal end against the surface of the metal member workpiece 111 and rotating the metal member workpiece 111 and the processing jig 13 in the direction relatively counter to the other to generate friction heat causing thereby plastic flow into the cavity through the hole-opening 13b.
Bibliography:Application Number: US20090498596