| 摘要 |
PROBLEM TO BE SOLVED: To provide a welding device capable of preventing shunt current and improving welding operation efficiency. SOLUTION: The welding device comprises multiple lower electrode platens 2... set side by side, separated and electrically-isolated, multiple upper electrode platens 1... corresponding respectively as a pair to each of the multiple lower electrode platens 2..., lower electrode parts 4, respectively set to the multiple lower electrode platens 2..., upper electrode parts 3, respectively set to the multiple upper electrode platen 1..., and multiple transformers 6 corresponding to each pair consisting of the upper electrode platens 1 and the lower electrode platens 2.
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