| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrode holder for a welding electrode capable of easily changing the welding electrode and reducing the time and cost required for the setup. SOLUTION: A first movable piece 300 is arranged at the position opposite to a first fixed piece 200 between the first and second fixed pieces 200, 210, while a second movable piece 310 is arranged at the position opposite to the second fixed piece 210 between the first and second fixed pieces 200, 210. Two welding electrodes 40 are held between the first fixed piece 200 and the first movable piece 300, and between the second fixed piece 210 and the second movable piece 310, respectively by the urging force of a coil spring 500.
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