JPS56102380A - Welding method of mig arc - Google Patents
Welding method of mig arcInfo
- Publication number
- JPS56102380A JPS56102380A JP492080A JP492080A JPS56102380A JP S56102380 A JPS56102380 A JP S56102380A JP 492080 A JP492080 A JP 492080A JP 492080 A JP492080 A JP 492080A JP S56102380 A JPS56102380 A JP S56102380A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- current
- time
- crater
- wire
- 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 make it possible that, in the MIG arc welding using an inert gas as the main constituent, molten ball is not generated at the tip of wire and production of crater is prevented, by supplying a specified welding electric current at the time of welding completion.
CONSTITUTION: In the MIG arc welding using Al, Al alloy, stainless steel or Ni steel as the consumable welding wire, welding current Ia to be supplied until the welding work is completed is fixed to be sufficiently larger than spray translation critical welding current value (critical current value) until time t0 at which it is switched to crater filler current If. When time t0 comes, welding current Ia is changed to crater filler current If which is smaller than critical current value Ic, and at time t2 the welding current is again increased to final welding current Ie which is greater than the Ic by adjusting the output setter of welding machine. At the final stage, current Ie is interrupted by time t3, and generation of crater at places where welding is completed is prevented, and, at the same time, difficulty of arc start caused by large balls formed at the tip of wire is removed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP492080A JPS56102380A (en) | 1980-01-19 | 1980-01-19 | Welding method of mig arc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP492080A JPS56102380A (en) | 1980-01-19 | 1980-01-19 | Welding method of mig arc |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56102380A true JPS56102380A (en) | 1981-08-15 |
JPH0160355B2 JPH0160355B2 (en) | 1989-12-22 |
Family
ID=11597045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP492080A Granted JPS56102380A (en) | 1980-01-19 | 1980-01-19 | Welding method of mig arc |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56102380A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6068171A (en) * | 1983-09-21 | 1985-04-18 | Matsushita Electric Ind Co Ltd | Automatic arc welding machine |
US6313437B1 (en) | 1997-03-03 | 2001-11-06 | Esab Ab | Method for arc welding with melting electrode |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5148139A (en) * | 1974-10-24 | 1976-04-24 | Fuji Electric Co Ltd | |
JPS53119761A (en) * | 1977-03-30 | 1978-10-19 | Hitachi Seiko Kk | Method of controlling welding machine |
-
1980
- 1980-01-19 JP JP492080A patent/JPS56102380A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5148139A (en) * | 1974-10-24 | 1976-04-24 | Fuji Electric Co Ltd | |
JPS53119761A (en) * | 1977-03-30 | 1978-10-19 | Hitachi Seiko Kk | Method of controlling welding machine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6068171A (en) * | 1983-09-21 | 1985-04-18 | Matsushita Electric Ind Co Ltd | Automatic arc welding machine |
US6313437B1 (en) | 1997-03-03 | 2001-11-06 | Esab Ab | Method for arc welding with melting electrode |
Also Published As
Publication number | Publication date |
---|---|
JPH0160355B2 (en) | 1989-12-22 |
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