On April 8, the "International Symposium on Reliability Technology for Internal Combustion Engines" was held in Beijing organized by the Automobile Industry Branch of the China Association of Automobile Manufacturers, co-sponsored by the IC Engine Reliability International Technology Innovation Alliance and the Shandong Provincial Key Laboratory of Reliability of Internal Combustion Engines. The meeting combined with the latest requirements put forward by the current social environment for the internal combustion engine technology. Based on the theme of the reliability of the internal combustion engine, it fully discussed and communicated the reliability evaluation and analysis solutions in the design, manufacture and use of the internal combustion engine. Representative domestic and foreign research institutes, such as MIT, Wisconsin, Aachen, Tsinghua University, Austria, AVL Austria, Southwest Research Institute, Ricardo, UK Domestic and foreign experts and scholars, including Weichai, Yuchai, FAW Xichai, and Dongfeng Commercial Vehicles, introduced the latest technologies and development status of internal combustion engine reliability to more than 160 representatives from 15 participating conferences.
"Reliability is one of the core competencies of internal combustion engine products." Deputy Secretary-General of the China Association of Automobile Manufacturers Ye Shengji pointed out in his speech that China's internal combustion engine production and sales volume has accounted for one quarter of the world's total, but some foreign technology levels are not Too high products can occupy the high-end market in the relevant supporting fields in the country for a long time, relying on the reliability index.
Reliability technology originated in the United States in the 1940s and was introduced to China in the 1960s. It began to be used in the field of internal combustion engines in the 1980s. The reliability of the internal combustion engine means that it can work normally during the design life cycle, and it can be trouble-free in a demanding work environment. In an actual use environment in China, it can even be used under conditions of abuse such as overloaded and unregulated oil. normal work. Reliability engineering covers the entire process of product life cycle including design and development, testing, quality assurance, and customer service.
The reporter noted that both in terms of international and domestic research and application, the reliability of the engine can be applied from the system to a variety of methods, from the reliability analysis of specific parts to the reliability analysis of the entire body and even the entire vehicle. Perform multiple analysis and induction. For example, at the speech of Mr. Tu Nanming of Dongfeng Commercial Vehicle Technology Center, the company has reliability in different stages of the country's national economy, national economy, national economy, and national economy from the fuel consumption and life of the vehicle to reliability, maintenance intervals, and warranty mileage. There are clear requirements and specifications. Especially for the use environment of domestic commercial vehicles, such as application differentiation, non-standardization of use, technical route, relevant regulations, etc., Dongfeng Commercial Vehicle's original reliability growth application technology will require product life and after-sales compensation rate. Such evaluation indicators began to be reliability planning, and then went to the development of process control and manufacturing process control, and then carried out reliability analysis, reliability management, with a set of rigorous analysis and management methods.
Based on a fault reporting system, Guangxi Yuchai can decompose the reliability index and use the Weibull analysis commonly used in the internal combustion engine field to estimate the B10 life expectancy of the internal combustion engine and predict the "three guarantees" cost of the product, thus the reliability of the internal combustion engine. Effective management of service costs and other aspects. Yu Xuechuan, director of Yuchai's reliability management office, said that reliability work runs through the entire life cycle of the product and is a complex and systematic work. The participating companies such as Weichai, Yuchai, FAW Xichai, and Dongfeng Commercial Vehicle all stated that the establishment and improvement of the reliability basic database is an important part of the reliability growth, and the new achievements in reliability theory research and the intelligentization of reliability technologies are New Ideas on the Development of Reliability of Internal Combustion Engines .
With regard to the reliability work already carried out by the Automotive Industry Association of the China Association of Automobile Manufacturers, Ge Hong, deputy secretary-general of the China Internal Combustion Engine Industry Association, introduced as early as June 2011, the Automotive Industry Association of China Automobile Industry Association, Shandong Provincial Key Laboratory, and Chai Power jointly organized the first "International Symposium on Reliability of Internal Combustion Engines." In 2012, Weichai Power took the lead in establishing the “International Reliability of Internal Combustion Engines†of 19 famous universities, institutions and companies including Massachusetts Institute of Technology, University of Wisconsin, and Tsinghua University. In the field of reliability research of internal combustion engines, mainstream engines such as Weichai Power and other internal combustion engines have conducted comprehensive and in-depth studies, and have achieved remarkable results in engine performance improvement, exhaust emission purification, and material failure analysis.
Facing the reality of the implementation of the new emission standards of the country's fourth national standard on July 1 this year, Sun Shaojun, secretary general of the Automotive Engine Sub-Committee and CEO of Weichai Power, who attended the meeting, stated that the reliability of internal combustion engine products is related to the national energy saving. The implementation of emission reduction policies and policies is related to the safety and interests of consumers. With the quantity of quality assurance and the reliability to determine the market scale, reliability is the embodiment of the core competitiveness of the internal combustion engine in the future.
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