JPS5545577A - Automatic narrow gap welding method - Google Patents
Automatic narrow gap welding methodInfo
- Publication number
- JPS5545577A JPS5545577A JP11930278A JP11930278A JPS5545577A JP S5545577 A JPS5545577 A JP S5545577A JP 11930278 A JP11930278 A JP 11930278A JP 11930278 A JP11930278 A JP 11930278A JP S5545577 A JPS5545577 A JP S5545577A
- Authority
- JP
- Japan
- Prior art keywords
- rocking
- welding
- current
- narrow gap
- amplitude
- 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.)
- Granted
Links
Landscapes
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
PURPOSE: To perform narrow gap welding without causing welding defects such as fusion failure, slag inclusion, etc., by detecting the momentary value of welding currents at the rocking end and the central part of the arc, and adjusting the rocking amplitude of the welding arc, based upon the foregoing.
CONSTITUTION: It is detected that the rocking amplitude is proper or improper, by the difference of the momentary value of the welding currents at the rocking end and the central part of the arc 6. In this case, when the welding torch 12 is located on the center line of the groove 2, the current iR at the right rocking end and the current iL at the left end are amlost equal, it is good only by comparing either current at both the ends with the current iC at the rocking center. And when it is detected that the rocking amplitude is improper, the rocking amplitude is modified to the proper value by making the projecting length of the welding wire 8 constant, and changing the rocking angle. As a result of the foregoing, even if the mounting precision of the welded substance 1, namely, the groove width is varied, the narrow gap welding can be carried out no inconvenience.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11930278A JPS5545577A (en) | 1978-09-29 | 1978-09-29 | Automatic narrow gap welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11930278A JPS5545577A (en) | 1978-09-29 | 1978-09-29 | Automatic narrow gap welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5545577A true JPS5545577A (en) | 1980-03-31 |
| JPS6139149B2 JPS6139149B2 (en) | 1986-09-02 |
Family
ID=14758047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11930278A Granted JPS5545577A (en) | 1978-09-29 | 1978-09-29 | Automatic narrow gap welding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5545577A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58176076A (en) * | 1982-04-08 | 1983-10-15 | Nippon Kokan Kk <Nkk> | Arc welding method |
| US4851638A (en) * | 1987-01-26 | 1989-07-25 | Nippon Kokan Kabushiki Kaisha | Bevel profiling control method for arc welding |
| CN101941113A (en) * | 2010-06-11 | 2011-01-12 | 兰州交通大学 | Welding gun of ultra narrow gap and welding method |
-
1978
- 1978-09-29 JP JP11930278A patent/JPS5545577A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58176076A (en) * | 1982-04-08 | 1983-10-15 | Nippon Kokan Kk <Nkk> | Arc welding method |
| JPH0249831B2 (en) * | 1982-04-08 | 1990-10-31 | Nippon Kokan Kk | |
| US4851638A (en) * | 1987-01-26 | 1989-07-25 | Nippon Kokan Kabushiki Kaisha | Bevel profiling control method for arc welding |
| CN101941113A (en) * | 2010-06-11 | 2011-01-12 | 兰州交通大学 | Welding gun of ultra narrow gap and welding method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6139149B2 (en) | 1986-09-02 |
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