This project is for inner side panel welding automatic line in Qingdao, to achieve 3+1 flexible production, capacity 60JPH. Integrated the loss of switching car model, work cycle time is no higher than 49s. The production plan is 3 working shifts and 1200 cars/day, the production time is 1200 minutes/day. The equipment operating rate of automatic line is 85%. The manual line is 95%.The line body includes robot carrying, gluing, spot welding, Marking, online measurement and other processes.