China's auto parts remanufacturing depends on foreign aid
At the end of the 1990s, China proposed the establishment of a remanufacturing system. In 1998, CNHTC Jinan Fuqiang Power Co., Ltd. was established and became the first domestic engine remanufacturing enterprise. In the following decade, auto parts remanufacturing enterprises gradually developed and gradually became scale.
It is not difficult to find a lot of common characteristics in combing domestic auto parts remanufacturing enterprises. In the domestic auto remanufacturing industry, engine remanufacturing enterprises occupy a larger proportion in domestic auto parts remanufacturing enterprises; in auto parts remanufacturing In enterprises, many companies have introduced foreign technology and established joint venture auto parts remanufacturing enterprises.
Engine companies sing mainstream
From the first domestic engine remanufacturing company, CNHTC Jinan Fuqiang Power Co., Ltd., to engine remanufacturing companies established by engine companies such as Yuchai, Xichai, Weichai, etc. Among the domestic auto parts remanufacturing companies, the enterprises engaged in engine remanufacturing are absolutely regarded as "main forces."
Ge Hong, deputy secretary-general of the China Internal Combustion Engine Industry Association, told the reporter that the engine remanufacturing enterprises have a large proportion in the pilot enterprises of auto parts remanufacturing. Among the two batches of 42 remanufactured pilot companies announced by the National Development and Reform Commission, the engine remanufacturing There are 25 companies; of the 35 pilot companies announced by the Ministry of Industry and Information Technology, 12 are engine remanufacturing companies. On the other hand, according to statistics, as of the end of 2012, the social possession of domestic internal combustion engines has reached 300 million units.
Ge Hong said that, whether it is from the current number of internal combustion engines or the proportion of engine companies in remanufactured pilot companies, it shows that China has a good foundation for engine remanufacturing, and it also shows that there is huge room for the development of remanufactured engines. It also shows that The importance of remanufacturing an internal combustion engine.
Introduce foreign technology to develop remanufacturing
Compared with Europe and the United States, domestic auto parts remanufacturing started relatively late, and there is still a big gap in terms of auto parts remanufacturing technology compared with foreign countries. Among the domestic auto parts remanufacturing enterprises, many companies have established joint ventures with foreign companies to establish auto parts remanufacturing production bases.
In 1998, China National Heavy Duty Truck Group and the British Lis-terPetter company jointly established Jinan Fuqiang Power Co., Ltd., engaged in engine remanufacturing business. As one of the earlier established companies in the field of auto parts remanufacturing in China, Fuqiang Power also participated in the drafting of a number of remanufacturing standard documents.
Weichai Power Remanufacturing Company signed a remanufacturing consulting agreement with SRC Corporation in the United States in 2007. It introduced remanufacturing technology, field training and on-site guidance to combine the advanced concepts of U.S. remanufacturing and the current status of China's spare parts remanufacturing. To promote the development of the remanufacturing industry. In the domestic auto parts remanufacturing field, Caterpillar must be mentioned. In 2006, Caterpillar Remanufacturing Center was established in Shanghai Lingang Industrial Park; in 2008, Caterpillar established a second global remanufacturing center covering 25,000 square meters in Shanghai; and established in Shunde and Chengdu in 2009. Remanufacturing recycling points for consumer terminals. In the same year, Caterpillar and Yuchai signed an agreement to establish a joint venture company to operate the remanufacturing business of engines and components. In July 2012, Yuchai and Caterpillar's remanufacturing business continued to develop and Yuchai remanufacturing business was established in Suzhou. New factory. At that time, the investment exceeded 1 billion U.S. dollars, and the new factory controlled by Yuchai also showed that both sides are optimistic about the future development prospects of domestic auto parts and remanufacturing.
Laser Remanufacturing Technology Features
Remanufacturing is a kind of reprocessing of product maintenance and scrapping, and it is the industrialization of high-tech repairing and renovating used equipment. Remanufactured objects can be equipment, systems, facilities, or components.
Laser remanufacturing is a remanufactured blank with damaged or worn-out parts that have lost its use value. It uses a high-tech laser cladding technology to repair and upgrade its properties in batches. The laser remanufactured products obtained are of technical performance. Both quality and quality can reach or even exceed the level of new products. Laser remanufacturing is a large-scale production model. It is conducive to production automation and online quality control of products, which helps to reduce costs, reduce resources and energy consumption, reduce environmental pollution, and achieve maximum economic benefits with minimal investment. It has the basic characteristics of high quality, high efficiency, energy saving, material saving and environmental protection.
The biggest advantage of the green laser remanufacturing project is the ability to fabricate coatings that are superior to the properties of the base material using advanced forming techniques, such as the use of metal materials for surface hardening, laser microprofiling, and other techniques to repair and intensify the surface of parts. , Give the parts high temperature resistance, corrosion resistance, wear resistance, fatigue resistance, radiation protection and other properties, this layer of surface material thickness from tens of micrometers to a few millimeters, compared with the overall material for the production of parts, thin thickness, small area, but However, it bears the main function of the working parts, so that the workpiece has a higher wear resistance, corrosion resistance and high temperature resistance than the bulk material.
One of the important differences between laser remanufacturing technology and traditional manufacturing technology is the use of existing parts as remanufactured blanks, which use laser remanufacturing forming technology to restore parts to size, shape and performance to form laser remanufactured products. Mainly includes the re-use of remanufactured old parts on new products, as well as the restoration, improvement of the performance, reliability, and longevity of long-term used product parts through remanufacturing, so that the products or equipment have the least pollution to the environment. With the highest resource utilization and the lowest input costs, the best performance requirements are achieved again.
Laser Remanufacturing Technology Engineering Application
Laser remanufacturing is an emerging frontier technology for remanufacturing, and it is developing rapidly. Since the birth of laser cladding technology, many important applications have been achieved as a repair technology. Internationally, such as the British PR Aero Engine Company uses it for the repair of turbine engine blades, the United States Naval Laboratory is used to repair ship propeller blades. In China, laser remanufacturing technology has also made great progress in recent years. With the introduction of circular economy theory and the requirements of building a conservation-oriented society, the scope of application of laser remanufacturing technology has gradually expanded.
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