JPS5671588A - Electron gun for electron beam welding - Google Patents
Electron gun for electron beam weldingInfo
- Publication number
- JPS5671588A JPS5671588A JP14645579A JP14645579A JPS5671588A JP S5671588 A JPS5671588 A JP S5671588A JP 14645579 A JP14645579 A JP 14645579A JP 14645579 A JP14645579 A JP 14645579A JP S5671588 A JPS5671588 A JP S5671588A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- electron beam
- electron
- materials
- electron gun
- 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
Links
Landscapes
- Welding Or Cutting Using Electron Beams (AREA)
Abstract
PURPOSE: To focuse and change the electron beam diameter to perform the terminal processing of endless welding without defects, by providing a movable coil for focusing electron beam in the electron gun in case that endless welding such as circumferential face welding is performed by the electron gun for electron beam welding.
CONSTITUTION: Electron gun vacuum room 4 is fitted to the side face of welding vacuum room 9, and materials 10 and 10' to be welded of round sections are put in welding vacuum room 9. Pressure in vacuum room 9 is reduced, and electron beam 7 is generated from the electron gun while rotating rotary stand 11 where materials 10 and 10' to be welded are put, and the electron beam is accelerated and focused by grid 2 and anode 3 and is further focused and deflected by fixed focusing coil 5 and deflecting coil 6 to weld circumferential faces of materials 10 and 10' in welding part 12. In this case, movable focusing coil 18 is provided between fixed focusing coil 5 and materials 10 and 10', and when terminal processing bead 13 is formed in welding part 12, movable focusing coil 18 is moved to focus the electron beam and reduce the diameter of it, thus preventing defects such as blowholes in terminal processing bead 13.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14645579A JPS5671588A (en) | 1979-11-14 | 1979-11-14 | Electron gun for electron beam welding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14645579A JPS5671588A (en) | 1979-11-14 | 1979-11-14 | Electron gun for electron beam welding |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5671588A true JPS5671588A (en) | 1981-06-15 |
Family
ID=15408019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14645579A Pending JPS5671588A (en) | 1979-11-14 | 1979-11-14 | Electron gun for electron beam welding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5671588A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020185604A (en) * | 2019-05-16 | 2020-11-19 | 三菱重工機械システム株式会社 | Double pipe welding method and double pipe welding device |
-
1979
- 1979-11-14 JP JP14645579A patent/JPS5671588A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020185604A (en) * | 2019-05-16 | 2020-11-19 | 三菱重工機械システム株式会社 | Double pipe welding method and double pipe welding device |
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