| 摘要 |
PURPOSE: A roll spot welding device for a round vendor is provided to improve the environment of workplace by reducing a CMT welding process and to reduce a processing time by omitting an additional process. CONSTITUTION: A roll spot welding device for a round vendor comprises top and bottom electrode rings(13,15), a top and lower part rotation conducting boards(21,23), up and down movement conducting boards(25,27), and a pressurization member. The top and bottom electrode rings cope with the junction of the molded beam. The top and lower part rotation conducting boards are connected with the top and bottom electrode ring.
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