JPS5671581A - Automatic welding method - Google Patents
Automatic welding methodInfo
- Publication number
- JPS5671581A JPS5671581A JP14675379A JP14675379A JPS5671581A JP S5671581 A JPS5671581 A JP S5671581A JP 14675379 A JP14675379 A JP 14675379A JP 14675379 A JP14675379 A JP 14675379A JP S5671581 A JPS5671581 A JP S5671581A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- heat
- amplitude
- pulses
- time
- 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
Abstract
PURPOSE: To form deoxidized and denitrified weld beads without blowhole which are superior in tenacity, by making average welding heat into triangular wave pulses with the welding advance direction as main components when welding heat is controlled to two high and low stages by pulses in total form MIG welding of the tube circumference.
CONSTITUTION: Welding heat pulse control of high heat Eh for time th and low heat El for time tl is performed according to advance of welding. Oscillation movement of torch O is added to this control. In the figure, α, (a), ax and ay are the vibration angle for the welding direction, the amplitude, the amplitude in the weld- ing direction, and the amplitude in the direction orthogonal to the welding direction respectively. The amplitude of oscillation is the half of low applied heat welding time x welding speed or more, and the frequency is 10 or more times as high as the number of pulses. Average welding heat Em becomes a triangluar wave, and the bead width becomes W for high heat condition uniformly throughout the overall line, so that high-tenacity beads which have no blowholes and are deoxidized and denitrified sufficiently can be obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14675379A JPS5671581A (en) | 1979-11-13 | 1979-11-13 | Automatic welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14675379A JPS5671581A (en) | 1979-11-13 | 1979-11-13 | Automatic welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5671581A true JPS5671581A (en) | 1981-06-15 |
Family
ID=15414797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14675379A Pending JPS5671581A (en) | 1979-11-13 | 1979-11-13 | Automatic welding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5671581A (en) |
-
1979
- 1979-11-13 JP JP14675379A patent/JPS5671581A/en active Pending
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