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Title:
TEMPERED BEAD WORKING METHOD
Document Type and Number:
Japanese Patent JP3970469
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a tempered bead working method, with which the tempering to a hardened zone in a base material can easily and surely be executed without executing the preheating.
SOLUTION: In the tempered bead working method, with which plural times of residual layers are repeatedly welded on the primary layer and the hardened zone at the base material 1 side developed with the primary layer is tempered so as to be eliminated with the welding heat of each residual layer, the supplying quantity of the welding wire 3 forming the above each residual layer, is changed according to the variation of the welding speed to gradually temper the above hardened zone. In this way, since the bead height of the residual layer can be restrained to low, the tempering to the hardened zone in the base material 1 can easily and surely be executed without executing the preheating.


Inventors:
Takashi Hirano
Tayo Koyo
Application Number:
JP8007899A
Publication Date:
September 05, 2007
Filing Date:
March 24, 1999
Export Citation:
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Assignee:
Ishikawajima Harima Heavy Industries Co., Ltd.
Toshiba Corporation
International Classes:
B23K9/04; B23K9/095; (IPC1-7): B23K9/095
Domestic Patent References:
JP62137175A
JP56163076A
JP9013579A
Attorney, Agent or Firm:
Nobuo Kinutani