Assembly and screwing of washing machines: This case mainly completes the installation and locking of the back plate in the production process of the washing machine. The original production line was manual operation, but currently automated operations are realized through AUBO collaborative robots. The main function is to realize the automatic assembly and screw lock of the back plate. The application can not only realize intelligent production, but also reduce labor costs and the work intensity, which plays an important role in promoting the development of smart manufacturing in the home appliances industry.