JPS55136586A - Electron beam welding method - Google Patents

Electron beam welding method

Info

Publication number
JPS55136586A
JPS55136586A JP4460179A JP4460179A JPS55136586A JP S55136586 A JPS55136586 A JP S55136586A JP 4460179 A JP4460179 A JP 4460179A JP 4460179 A JP4460179 A JP 4460179A JP S55136586 A JPS55136586 A JP S55136586A
Authority
JP
Japan
Prior art keywords
welded
electron beam
welding
weld
point
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
JP4460179A
Other languages
Japanese (ja)
Inventor
Toshiyuki Kobayashi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4460179A priority Critical patent/JPS55136586A/en
Publication of JPS55136586A publication Critical patent/JPS55136586A/en
Pending legal-status Critical Current

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  • Welding Or Cutting Using Electron Beams (AREA)

Abstract

PURPOSE: To prevent the occurrence of phenomena such as weld crack owing to the quenching of weld portions, and machining difficulty as with conventional welding, by radiating an electron beam again to the portion welded by an electron beam thereby delaying the rate of cooling of said welded portion.
CONSTITUTION: In welding the points AWE on the weld one of the welding works 4 on a truck 4 by the electron beam 2 of an electron gun 1, first the A-B points are welded at the power density of welding, after which the electron beam 2 is returned to the A point, is set at the power density of postheating and is moved up to the B point. Thence, again the B-C points are welded at the power density of the welding, after which it is returned to the B point. From this point on, the foregoing similar operations are repeated and the entire length AE is welded. By delaying the rate of cooling of the welded portion in this way, the weld crack owing to quenching is eliminated and the defect of conventional method that working becomes difficult on account of increased hardness of the weld zone is improved.
COPYRIGHT: (C)1980,JPO&Japio
JP4460179A 1979-04-11 1979-04-11 Electron beam welding method Pending JPS55136586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4460179A JPS55136586A (en) 1979-04-11 1979-04-11 Electron beam welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4460179A JPS55136586A (en) 1979-04-11 1979-04-11 Electron beam welding method

Publications (1)

Publication Number Publication Date
JPS55136586A true JPS55136586A (en) 1980-10-24

Family

ID=12695967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4460179A Pending JPS55136586A (en) 1979-04-11 1979-04-11 Electron beam welding method

Country Status (1)

Country Link
JP (1) JPS55136586A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107245A (en) * 1975-03-19 1976-09-22 Hitachi Ltd KOENERUGIIMITSUDOBIIMUYOSETSUHOHO

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107245A (en) * 1975-03-19 1976-09-22 Hitachi Ltd KOENERUGIIMITSUDOBIIMUYOSETSUHOHO

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