| 发明名称 |
Consumable electrode gas shielded arc welding method and apparatus |
| 摘要 |
<p>A different kind of a gas (2) in an arc current-voltage property from an shielding gas (1) is intermittently added to the shielding gas, an arc current is intermittently changed in proportion to an intermittent chemical composition change of the shielding gas (1a) at an arc (3) generation region, and an arc generation point situated at a tip (4a) of a welding wire (4) is displaced upward or downward along a groove (9a) of a base metal (9). <IMAGE></p> |
| 申请公布号 |
EP1129808(A2) |
申请公布日期 |
2001.09.05 |
| 申请号 |
EP20010301810 |
申请日期 |
2001.02.28 |
| 申请人 |
JAPAN AS REPRESENTED BY DIRECTOR GENERAL OF;DAIHEN CORPORATION;NIPPON SANSO CORPORATION;ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD. |
发明人 |
NAKAMURA, TERUMI;HIRAOKA, KAZUO;SHIGA, CHIAKI;YAMAMOTO, HIDEYUKI;NAKAMURA, KOJI |
| 分类号 |
B23K9/173;B23K9/073;B23K9/095;B23K9/16;B23K9/29;(IPC1-7):B23K9/173 |
主分类号 |
B23K9/173 |
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