JPS5468747A - Weld joint method by electron beam - Google Patents

Weld joint method by electron beam

Info

Publication number
JPS5468747A
JPS5468747A JP13458677A JP13458677A JPS5468747A JP S5468747 A JPS5468747 A JP S5468747A JP 13458677 A JP13458677 A JP 13458677A JP 13458677 A JP13458677 A JP 13458677A JP S5468747 A JPS5468747 A JP S5468747A
Authority
JP
Japan
Prior art keywords
electron beam
bead
welding
spiking
irradiating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP13458677A
Other languages
Japanese (ja)
Inventor
Hitoshi Kuriyama
Youji Akutsu
Yoshio Furukawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13458677A priority Critical patent/JPS5468747A/en
Publication of JPS5468747A publication Critical patent/JPS5468747A/en
Pending legal-status Critical Current

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  • Welding Or Cutting Using Electron Beams (AREA)

Abstract

PURPOSE: To prevent the peculiar spiking defect of deep penetration electron beam welding at weld joint, by irradiating the second electron beam from different direction after irradiating the fitst electron beam to the extent not to penetrate through the material to be welded.
CONSTITUTION: The member to be welded, 1, 1 are butted and welding by the first weld bead 2 is carried out by the first electron beam to the extent not to penetrate the member 1. Next, the second electron beam by vignetted focus is irradiated from the opposite side so as to surround the tip end part 5 of the above bead 2 and the second weld bead 4 having a wide bead width, is formed by remelting. By the above method, spiking defect is prevented and also, perfect penetration electron beam welding of thick plate butt joint is able to carry out because backing strip is not used.
COPYRIGHT: (C)1979,JPO&Japio
JP13458677A 1977-11-11 1977-11-11 Weld joint method by electron beam Pending JPS5468747A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13458677A JPS5468747A (en) 1977-11-11 1977-11-11 Weld joint method by electron beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13458677A JPS5468747A (en) 1977-11-11 1977-11-11 Weld joint method by electron beam

Publications (1)

Publication Number Publication Date
JPS5468747A true JPS5468747A (en) 1979-06-02

Family

ID=15131829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13458677A Pending JPS5468747A (en) 1977-11-11 1977-11-11 Weld joint method by electron beam

Country Status (1)

Country Link
JP (1) JPS5468747A (en)

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