Program description: Process 1: Turntable line :2 double speed chain carrying. Assembly line to test line. After the workpiece comes off the assembly line, the assembled assembly is connected from the end of the assembly line by the double speed chain knapsack AGV, and the assembly is transported to the line connection port on the test line, where it is directly fed into the test line. Process 2: Logistics line :5 board chain carrying. After the workpiece is connected from the test line, it is connected by the plate-chain backpack AGV and sent to the logistics workshop connection station, where the unmanned forklift MEG1 will transport the workpiece to the corresponding storage station.