How fast does it take to produce a car? How much can the automation rate be improved in the intelligent workshop? To what extent can the precision of automobile welding be controlled? With an interest in automobile production, the reporter walked into Chang'an Automobile Liangjiang Factory to feel the charm of intelligent manufacturing. On the assembly line, the camera scans the parts and matches them according to the part number; On the stamping line, the fully automatic stamping machine operates at a rhythm of 15 times per minute; In the welding workshop, the blue light automatic detection and laser online detection are realized, and the welding accuracy is within 1.5mm... After multiple procedures, in the factory with the automation rate of 92%, the fastest time is 18 hours, and a car is off the line. Now in Chongqing, the scene of intelligent production is no longer rare, and the manufacturing industry has been revitalized by intelligence. The report of the 20th National Congress of the Communist Party of China put forward that "promote the high-end, intelligent and green development of manufacturing industry". In 2022, Chongqing will implement 1503 intelligent transformation projects and build 182 digital workshops and intelligent factories, which will drive the decline of enterprise operating costs, defective product rate, energy consumption, etc., and boost the industry to jump to the middle and high end of the value chain and innovation chain. The data proves that after the intelligent transformation, the operation automation rate of Liangjiang Plant of Chang'an Automobile has increased by 10 times, the per capita output efficiency has increased by 2.2 times, and the automatic error correction and error prevention capacity has increased by 10 times. This shows that promoting the manufacturing industry to be more intelligent will help enterprises improve quality and efficiency and constantly cultivate new drivers. Liu Yuan, a senior mechanical and electrical technician of Yubei Factory of Chang'an Automobile, is a representative of the 20th CPC National Congress and a skilled worker who has been on the front line for more than 30 years, and has witnessed the process of manufacturing into intelligent manufacturing. He said: "Thanks to the Internet of Things technology, the 'health' of workshop equipment can be monitored in real time, and we are more concerned with preventive maintenance and predictive maintenance." Indeed, an important aspect of making manufacturing more intelligent is to make "dumb equipment" become "deaf and visible", realize networking in production, maintenance, overhaul and other links, and help equipment and people and systems "talk to each other". Accelerating the intelligent transformation of manufacturing industry is the trend of the times. Only by continuously deepening the intelligent upgrading and making up for the industrial weaknesses can we cultivate new advantages of industry in the new model of intelligent manufacturing. The essence of intelligent manufacturing is manufacturing, which should be supported by advanced technology and equipment. When entering the 101 factory of Zongshen Power Machinery Co., Ltd., all we can see is digital equipment. The workers can complete the operation by moving their fingers. Unmanned transport vehicle shuttles around and delivers the accessories to the designated location accurately; Busy robots and rapidly rotating automation equipment keep running at any time. When the automation system is integrated into the production line, the manufacturing accuracy and production efficiency are higher, and the requirements for product design, research and development, production and management are also higher. This requires enterprises to continuously improve the supply capacity of basic parts, process technology and other key links, improve the manufacturing level, and consolidate the basic support of intelligent manufacturing. The key to intelligent manufacturing is intelligence. We should build new infrastructure based on big data. Take car welding for example, once the spark falls on the body, it will affect the paint quality. A company in Chongqing has embedded the intelligent visual terminal into the industrial Internet and developed a 5G intelligent welding big data platform, with an accuracy of more than 92%.
Edit：Ying Ying Responsible editor：Shen Chen
Source：People.cn
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