JPS571577A - Welding method by partially shielded arc - Google Patents
Welding method by partially shielded arcInfo
- Publication number
- JPS571577A JPS571577A JP7564780A JP7564780A JPS571577A JP S571577 A JPS571577 A JP S571577A JP 7564780 A JP7564780 A JP 7564780A JP 7564780 A JP7564780 A JP 7564780A JP S571577 A JPS571577 A JP S571577A
- Authority
- JP
- Japan
- Prior art keywords
- torch
- welding
- groove
- box
- faces
- 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
- Arc Welding In General (AREA)
Abstract
PURPOSE: To prevent a oxidation of weld beads at the welding of a thick plate, narrow groove-shaped copper and copper alloys, by using a welding torch made small enough to be inserted into a narrow groove and performing a partial shielding, covering all over the welding surfaces with an inert gas.
CONSTITUTION: For example, edges of thick copper plates 1, 2 are prepared in single V groove and fixed after butting the root faces of edges, and a tightly closed type shield box 3 is attached to cover all over the groove faces. Thereafter, a sliding plate 6 provided with said small torch 4 and set screws 5 to adjust the height of the torch freely is attached to torch hole of the box 3. An inert gas in then introduced from a pipe 7 into the box 3 to cover the groove faces uniformly by a pressure equalizing plate 9. Now, the welding is performed by flowing e.g. gaseous Ar+He from the small torch 4.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7564780A JPS571577A (en) | 1980-06-06 | 1980-06-06 | Welding method by partially shielded arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7564780A JPS571577A (en) | 1980-06-06 | 1980-06-06 | Welding method by partially shielded arc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS571577A true JPS571577A (en) | 1982-01-06 |
Family
ID=13582252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7564780A Pending JPS571577A (en) | 1980-06-06 | 1980-06-06 | Welding method by partially shielded arc |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS571577A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0690137A2 (en) | 1994-06-06 | 1996-01-03 | Kawasaki Steel Corporation | Method of decarburizing refining molten steel containing Cr |
| JP2018051577A (en) * | 2016-09-27 | 2018-04-05 | 新日鐵住金株式会社 | Arc welding method for thick steel plate, and fixture and device for enforcing the method |
-
1980
- 1980-06-06 JP JP7564780A patent/JPS571577A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0690137A2 (en) | 1994-06-06 | 1996-01-03 | Kawasaki Steel Corporation | Method of decarburizing refining molten steel containing Cr |
| JP2018051577A (en) * | 2016-09-27 | 2018-04-05 | 新日鐵住金株式会社 | Arc welding method for thick steel plate, and fixture and device for enforcing the method |
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