| 摘要 |
In an electrode for projection welding, an end cover ( 10 ) of metal having a through hole ( 19 ) is attached to the end of a main body ( 6 ) of metal having a cylindrical shape, a guide sleeve ( 12 ) of insulation material is disposed in the main body ( 6 ), the end of the guide sleeve ( 12 ) being formed with a receiving hole ( 18 ) for a part ( 2 ) in a state in which the receiving hole ( 18 ) communicates with the through hole ( 19 ) in the end cover ( 10 ), and a cooling passage ( 32 ) for fluid which cools the guide sleeve ( 12 ) is formed.
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