JPS55149786A - Electron beam welding equipment - Google Patents

Electron beam welding equipment

Info

Publication number
JPS55149786A
JPS55149786A JP5805579A JP5805579A JPS55149786A JP S55149786 A JPS55149786 A JP S55149786A JP 5805579 A JP5805579 A JP 5805579A JP 5805579 A JP5805579 A JP 5805579A JP S55149786 A JPS55149786 A JP S55149786A
Authority
JP
Japan
Prior art keywords
signal
welding
beam focus
detected
focus diameter
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
JP5805579A
Other languages
English (en)
Inventor
Takao Yoneyama
Hisanobu Okamura
Kazuya Sato
Tetsuo Matsui
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 JP5805579A priority Critical patent/JPS55149786A/ja
Publication of JPS55149786A publication Critical patent/JPS55149786A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Welding Or Cutting Using Electron Beams (AREA)
JP5805579A 1979-05-14 1979-05-14 Electron beam welding equipment Pending JPS55149786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5805579A JPS55149786A (en) 1979-05-14 1979-05-14 Electron beam welding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5805579A JPS55149786A (en) 1979-05-14 1979-05-14 Electron beam welding equipment

Publications (1)

Publication Number Publication Date
JPS55149786A true JPS55149786A (en) 1980-11-21

Family

ID=13073219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5805579A Pending JPS55149786A (en) 1979-05-14 1979-05-14 Electron beam welding equipment

Country Status (1)

Country Link
JP (1) JPS55149786A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175089A (en) * 1981-04-20 1982-10-27 Inoue Japax Res Inc Beam working device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175089A (en) * 1981-04-20 1982-10-27 Inoue Japax Res Inc Beam working device
JPH0256195B2 (ja) * 1981-04-20 1990-11-29 Inoue Japax Res

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