Or discuss the development of automobile engine remanufacturing technology in China.
Here is this piece of paper.
For a long time, China's automobile maintenance enterprises have the characteristics of scattered distribution, loose management, mixed components and low technical level. Some maintenance companies, regardless of the qualifications and conditions for automobile overhaul, take up maintenance business as long as they see it. Many users often send their vehicles to these maintenance companies for maintenance because they don't understand or are greedy for petty gain. Due to the lack of necessary equipment and advanced technology, in this case, the quality, performance and safety index of the repaired engine can not be guaranteed at all.
China Engine Technology Forum: A large number of used engines with use value cannot be repaired and fully utilized, resulting in material waste and environmental pollution. Even if the user sends the engine to a qualified repair shop for repair, it will cause economic losses because of the long maintenance time and high maintenance cost. Therefore, in recent years, engine remanufacturing technology has attracted more and more attention, and how to make it develop in a standardized and healthy way has become a topic for many people in the industry to study and discuss.
1 application value of engine remanufacturing technology
1. 1 technical concept of engine remanufacturing
Engine remanufacturing technology, also known as engine professional repair technology, mainly uses old engines or unusable engines as raw materials. After a series of machining techniques almost the same as the new engine, the engine parts are restored to size and accuracy, and then reassembled into a complete engine. In this process, the engine is completely disassembled and cleaned, and the basic parts (cylinder block, cylinder head, crankshaft, connecting rod, etc. ) are tested and inspected according to the technical requirements of the original factory, and then repaired according to strict technical requirements. For bearings, piston rings, pistons, washers and other easily damaged parts. When assembling, the original factory parts are used, and then the whole machine is assembled. The assembly tolerance can reach the assembly level of the original machine.
The application value of 1.2 engine remanufacturing technology
The essence of 3Z+_ engine remanufacturing technology lies in the effective utilization of the original engine, which accords with the idea of circular economy. The application of this technology can effectively reduce the production cost, improve the after-sales service level and enhance the comprehensive competitiveness of products. At present, engine remanufacturing technology is mainly used in automobile maintenance industry. The implementation of this technology can complete the assembly interchange in a short time, and shorten the automobile overhaul time from the past few days to several hours now. At the same time, after the implementation of this remanufacturing technology, the working efficiency of the engine is greatly improved, which is conducive to reducing the emission pollution of motor vehicles. Moreover, because the price of remanufactured engine assembly is much lower than that of the new machine, on the other hand, the spread of illegally assembled vehicles is effectively curbed.
Engine remanufacturing technology not only belongs to the category of after-sales service, but also plays an irreplaceable role in engine production. For example, in the engine factory, it is an important supplement to the main production line to apply remanufacturing technology to bring the products after secondary processing of online defective products into the after-sales service system as maintenance spare parts.
The application of engine remanufacturing technology not only brings huge cost savings to the automobile industry, but also is a "green project" that is conducive to the reuse of environmental resources.
2 The application status of automobile engine remanufacturing technology in China
Engine remanufacturing technology has been developed abroad for more than 50 years, forming a relatively complete manufacturing and service system, and has a certain scale. For example, the North American Engine Remanufacturing Association is a professional engine remanufacturing organization with more than 160 members. World famous automobile manufacturers, such as Ford, GM, Volkswagen, Renault, etc. , either have their own engine remanufacturing factory, or maintain a fixed cooperative relationship with other independent professional engine remanufacturing companies to remanufacture old engines; In the past 50 years, Volkswagen has manufactured 7.2 million more engines, and the sales ratio of remanufactured engines to new engines is 9: 1. The market share of remanufactured engines continues to grow. Compared with foreign countries, domestic engine remanufacturing started late. At present, only Jinan Fuqiang Power Co., Ltd., a joint venture between Shanghai Volkswagen and China National Heavy Duty Truck Group Co., Ltd. and British Liszt Pitt Company, specializes in engine remanufacturing, and its annual production capacity is limited to a specific range. Obviously, the market competition of engine remanufacturing in China is still in the primary stage. In recent years, the automobile industry in China has developed vigorously.
With the rapid development of China Engine Technology Forum, the automobile production and sales volume has entered the top four in the world at present, and the number of automobiles in the market is constantly improving, and many vehicles in use are about to enter the overhaul stage. In 2000, 2,654,380,000 vehicles in China reached the scrapping standard. It is estimated that by 2065,438+00, the average annual scrapping amount of vehicles in China will exceed 2 million. Most of the engines in these scrapped vehicles have remanufacturing value and are a valuable resource. Because the application of engine reengineering technology has obvious advantages in performance and price compared with engine overhaul, it is an inevitable trend to replace engine overhaul with engine remanufacturing in the future, and engine remanufacturing has a great market space in China.
Discussion on the Development of Automobile Engine Remanufacturing Technology in China
Although the engine remanufacturing technology has great development space in China, due to its short application time and immaturity, the relevant state departments must pay attention to reasonable guidance and control and try their best to standardize and rationalize it. Only in this way can we better serve the society.
3. 1 National policies and regulations are the theoretical basis and powerful guarantee for the healthy development of engine remanufacturing technology.
In 2006, the National Development and Reform Commission, the Ministry of Science and Technology, and the State Environmental Protection Administration issued the "Technical Policy on Automobile Product Recycling", which clearly stated that from 20 10, Chinese automobile manufacturers or general agents of imported automobiles were responsible for recycling the automobile products and their packaging items they sold, or entrusted relevant institutions and enterprises to be responsible for recycling. In the design and production of automobile products sold in China, the disassembly and easy disassembly of scrapped products should be fully considered. Under the premise of policy permission, qualified disassembled parts are encouraged to re-enter circulation and be used as maintenance parts.
In addition, at the China Engine Technology Forum, the automobile product recycling technology policy also put forward specific goals: from 20 1O, the recycling rate of all domestic and imported m 2 and M3, N2 and N3 vehicles should reach about 85%, and the recycling rate of materials should not be lower than 80%; The recycling rate of all domestic and imported vehicles of M 1 and N 1 should reach 80%. Among them, the engine, the core component of the car, is naturally the focus of recycling.
It can be seen that the state attaches importance to the recycling of used automobile parts. With the strong support of national policies and regulations, the application and promotion of engine remanufacturing technology has the premise and guarantee of healthy development.
3.2 Digesting and absorbing foreign successful experience is an effective way for the rapid development of engine remanufacturing technology.
Foreign engine remanufacturing technology has developed decades earlier than China's, and has formed a complete system from technical standards, production technology, processing equipment, supply and marketing and after-sales service, accumulated mature technology and rich experience, and has formed a sufficient scale. We can learn from the successful practices of some mature foreign remanufacturing enterprises and formulate relevant policy documents, laws and regulations, industry standards, etc. in combination with China's actual situation. So as to promote the healthy and rapid development of engine remanufacturing technology in China. Isn't the rapid development of China's automobile industry also a way of "introducing and absorbing"? This shows that it is indeed a practical and effective way to digest and absorb foreign successful experience.
3.3 Establishing a perfect quality assurance system is the key to the application and long-term development of engine remanufacturing technology.
At present, although China supports and encourages the application and development of engine remanufacturing technology in policy, it will take some time to establish a perfect engine remanufacturing market system in China, because there are still many problems to be solved, including the perfection of laws and regulations, the establishment of manufacturer's responsibility system, the formulation and promulgation of industry access standards, the formulation and promulgation of remanufacturing engine technical standards, and the construction of a strict and complete waste engine recycling system. In fact, these problems can be attributed to the establishment of a sound quality assurance system. Due to the establishment of quality assurance system, the quality of remanufactured engines can be reliably guaranteed, which has the significance of existence and development. The quality assurance system is a systematic project, which is difficult to perfect in a short time. I think we can adopt the method of piloting first and then summing up the promotion experience. For example, we can carry out pilot projects in two enterprises in China (Shanghai Volkswagen Company and Jinan Fuqiang Company), analyze and evaluate their quality systems, and monitor their remanufactured engine products, so as to obtain the basic requirements of engine remanufacturing enterprises, technical standards and technological processes of remanufactured engines and other key data, thus providing relevant laws and regulations for the country.
4 conclusion
The application of engine remanufacturing technology overcomes the shortcomings of low quality, low efficiency and high consumption in automobile overhaul, and has great practical value. Because it has not been used for a long time in China, there are still many immature places. In order to promote its standardized and healthy development, the relevant state departments must guide and supervise it correctly and timely.
I hope it helps you.
Helping others easily-Mo Mo