Patent ID: 6948236

Claim:
A side panel assembly line having a setting station, a welding station, and a next working station which are successively arranged in a series in the order named, said side panel assembly line comprising: a setting carriage supporting a setting jig for laterally holding a side panel in an erected attitude, said setting carriage being reciprocally movable between the setting station and the welding station; and a frame carriage having a lower frame and an upper frame for holding therebetween a side panel in an erected attitude with clamp members mounted thereon, said frame carriage being reciprocally movable between the welding station and the next working station for transferring directly a side panel from said setting carriage in the welding station; wherein the side panel is temporarily welded by a welding robot disposed in said welding station before the side panel is transferred directly from said setting carriage to said frame carriage in said welding station, and the side panel is additionally welded after the side panel is transferred directly from said setting carriage to said frame carriage in said welding station, and said setting carriage or said frame carriage on which no side panel is welded is moved back while the side panel is being temporarily and additionally welded.