| 摘要 |
A welding electrode according to one embodiment of the present invention comprises a welding part with a welding surface which is in touch with a welding member; and an injection hole formation part linked with the welding part and formed with an injection hole to inject gas to the welding member. In addition to this, a welding device according to another embodiment of the present invention comprises a support rod connected to power to provide a current; and the welding electrode joined to the support rod. |
