JPS55120484A - Method and apparatus for nonconsumable electrode alternating current arc welding - Google Patents
Method and apparatus for nonconsumable electrode alternating current arc weldingInfo
- Publication number
- JPS55120484A JPS55120484A JP2911379A JP2911379A JPS55120484A JP S55120484 A JPS55120484 A JP S55120484A JP 2911379 A JP2911379 A JP 2911379A JP 2911379 A JP2911379 A JP 2911379A JP S55120484 A JPS55120484 A JP S55120484A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- value
- positive
- current
- alternating current
- 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
Abstract
PURPOSE: To eliminate the abnormal consumption of tungsten electrode at all and prevent the degradation in the mechanical properties of deposited metal making the positive polarity current ratio in total welding current small at the welding start, thereafter increasing the same continuously or stepwise and making the same to a normal value at the specified time.
CONSTITUTION: At the start of TIG welding of Al, Mg base materials, for example, positive and opposite polarity currents ISP, IRP are changed as shown in the figure. If the switch 2 of an AC power supply 1 is closed to this end at the welding start, current limiting elements 6, 7 conduct at the value having been set by a variable resistors 18 (set lower), 15. Then, the specified positive and opposite polarity currents flow and the former becomes of a smaller value. At the fixed time after the welding start, the contacts 20a, 20b close and open so that the positive polarity current is changed over to the normal welding current value having been set by a variable resistor 19.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2911379A JPS55120484A (en) | 1979-03-12 | 1979-03-12 | Method and apparatus for nonconsumable electrode alternating current arc welding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2911379A JPS55120484A (en) | 1979-03-12 | 1979-03-12 | Method and apparatus for nonconsumable electrode alternating current arc welding |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55120484A true JPS55120484A (en) | 1980-09-16 |
JPS6257431B2 JPS6257431B2 (en) | 1987-12-01 |
Family
ID=12267257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2911379A Granted JPS55120484A (en) | 1979-03-12 | 1979-03-12 | Method and apparatus for nonconsumable electrode alternating current arc welding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55120484A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004082163A (en) * | 2002-08-27 | 2004-03-18 | Sansha Electric Mfg Co Ltd | Welding method and electric power unit for welding |
CN102101208A (en) * | 2009-12-17 | 2011-06-22 | 株式会社大亨 | Arc welding method, arc welding robot control device and arc welding system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53149147A (en) * | 1977-06-02 | 1978-12-26 | Matsushita Electric Ind Co Ltd | Tig welding method |
-
1979
- 1979-03-12 JP JP2911379A patent/JPS55120484A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53149147A (en) * | 1977-06-02 | 1978-12-26 | Matsushita Electric Ind Co Ltd | Tig welding method |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004082163A (en) * | 2002-08-27 | 2004-03-18 | Sansha Electric Mfg Co Ltd | Welding method and electric power unit for welding |
JP4643113B2 (en) * | 2002-08-27 | 2011-03-02 | 株式会社三社電機製作所 | Welding method and power supply device for welding |
CN102101208A (en) * | 2009-12-17 | 2011-06-22 | 株式会社大亨 | Arc welding method, arc welding robot control device and arc welding system |
JP2011152545A (en) * | 2009-12-17 | 2011-08-11 | Daihen Corp | Arc welding method |
Also Published As
Publication number | Publication date |
---|---|
JPS6257431B2 (en) | 1987-12-01 |
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