VEHICLE BODY ASSEMBLY SYSTEM AND VEHICLE BODY ASSEMBLY METHOD

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VEHICLE BODY ASSEMBLY SYSTEM AND VEHICLE BODY ASSEMBLY METHOD

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ISHITSUKA HISASHI / ASANO YOSHIAKI / TAKEUCHI KOICHI

Provided are a vehicle body assembly system and vehicle body assembly method with which it is possible to reduce equipment space and equipment costs to a greater extent than in the past. A vehicle body assembly system in which components formed from one or more parts constituting a vehicle body are welded together to assemble a vehicle body structure, wherein the vehicle body assembly system (1) is characterized in being provided with upper jigs (41, 51, 61) for fixing the one or more parts in a state in which the relative position and orientation thereof as a component can be maintained, a lower jig (81) connected to the component fixed by the upper jigs (41, 51, 61), and a welding robot (7), the upper jigs (41, 51, 61) and the lower jig (81) being provided, respectively, with upper-jig connecting parts (413, 513, 613) and lower-jig connecting parts (813) that are connected to each other, and the welding robot (7) welding together the one or more parts forming a component, and welding together the components, in a state in which the connections between the component and the lower jig (81), and the connections between the upper jigs (41, 51, 61) and the lower jig (81), are maintained.