With the strengthening of people's environmental protection awareness and the emergence of shortages of petroleum resources, energy-saving and environmentally-friendly models have become a major trend in the development of the entire diesel engine market. In order to meet the needs of different users and adapt to the requirements of the National III Regulations, Chaochai Company has redesigned key parts based on the original engine's performance advantages, and developed and developed 9 new models of 16 models. These new products have the advantages of high power, low fuel consumption, low emissions, low noise, and good starting performance. Among them, 4D125-N3, 6102-N3A and 4102-N3A are natural gas engines that use natural gas as an alternative fuel. Its advent, to a large extent, eased the problem of fuel shortage and was increasingly favored by users. Domestic markets such as Chengdu, Shenzhen, and Guangzhou are in great demand. At the Dakchai Company's National III Series Diesel Engine and Natural Gas Engine Scientific and Technological Achievements and Commissioning for Appraisal held on November 1st, these new products were recognized by the experts of the identification team and successfully passed the production appraisal. This is a new impetus for the family of the Dongchai Diesel Products. Galloping north and south open the channel.
The scientific and technological achievements production and appraisal meeting was authorized by the Science and Technology Bureau of Chaoyang City, commissioned by the Science and Technology Department of Liaoning Province, and the appraisal meeting was held in the conference room on the 11th floor of Chaochai Company. Among the participants were: Wang Hong, Director of Science and Technology Division of Liaoning Economic Commission, Xue Liang, Deputy Director, Wang Zhiqiang, Director of Chaoyang Economic and Management Commission, and Cui Yongzhi, Deputy Director of Chaoyang Science and Technology Bureau, and six others. Professor Ji Yingnan of Jilin University was appointed as the chairman. Cheng Kuiyu, a senior engineer of the China Automotive Technology and Research Center, and Gu Zhiyi, a senior engineer of Jiangling Motors Co., Ltd., served as the deputy chairman of the seven-member expert team. Zhaochao, general manager of Zhaochai, Jia Guiqi, chief of management, Yuan Wensheng, director of the Ministry of Management, Zhang Xiangdong, director of the Ministry of Process Technology, and Cao Xiaofeng, executive deputy director of the Technical Center, attended the meeting.
Zhao Zhuang General Manager first welcomed the provincial and municipal department leaders and members of the expert group who attended the meeting. They thanked them for their care and support for the Chaochai business. Zhao said: In recent years, the technicians of Chaochai Company’s technology center have been paying hard to develop new products. We have done a lot of work and this time we will show the results accumulated over the past few years in front of the experts. We hope that the experts will provide guidance and help the new products of Daw Chai get better development and breakthroughs.
In accordance with the requirements of the appraisal meeting, the members of the expert group heard the new product performance indicators, technical parameters, economic benefits analysis and other related product development situations introduced by He Zhaoxin, deputy director of the Technical Center and Director of the Technology Development Department, and Zhang Xiangdong, Director of the Technology and Technology Department, on the engine. Process review report; At the same time, technical drawings and related data were further reviewed. Afterwards, the expert group visited the laboratory of the technical center and tested the performance indicators such as the calibration point and minimum fuel consumption of the new product on the test bench.
During the appraisal process, the experts raised questions about the post-processing limits of new products, the degree of independent innovation of the products, and whether to consider the use of multiple injections, etc., and the technicians answered the questions one by one. In the improvement opinion, the experts sincerely proposed that: Chaochai Engine has the development potential of Daguo IV, and it is recommended to continue to optimize and improve the appearance of components and overall performance indicators so as to reach the international advanced level. Experts on self-owned property rights believed that: In the R&D process, Daw Chai’s experience in the details of structure, design, and experiment should be learned and summarized. His own innovation should apply for a patent and form his own characteristics, thus forming an autonomy. Protection measures are beneficial to the long-term development of the company. Zhao Zhuang, the general manager, immediately stated that these proposals should be used as a task for Zhaochai’s future R&D process.
Experts gave a high evaluation after conducting serious research, testing, and full discussion on the new products of the Daw Chai series. Zhachai series engine is considered to be advanced in design, reasonable in structure, high in reliability, accurate in market positioning, satisfies the needs of users, and the power performance, fuel economy, and emission indicators of the machine are particularly prominent. According to the user's use of experimental feedback, it has broad market prospects. The members of the expert group unanimously agreed to pass the scientific and technological achievements and put into production appraisal for the Chai Guo III series engine. The Deputy Director of the Municipal Bureau of Science and Technology congratulated the DPRK Chai Guo III series of engines for production certification. The chief designer of the DPRK Diesel Corporation Jia Guiqi thanked the provincial and municipal leaders for their support for the development of new products, and thanked the expert group for the high praise of the DPRK engine. Said that: Chaochai Club will do the next step according to the recommendations of the expert group, and use this as a platform for the research and development of the National IV products.
After passing the appraisal of the experts participating in the conference, 4 models of 4 projects including 4102-C3A/B, 4102-C3C/D/E/F/G, 4D115-C3 and 4D125-N3 have passed the provincial appraisal. There are seven models that are identified as 6102-N3A, 6D180-C3, 4102-D3A/B/C, 4102-N3A, and 4D115-D3. The appraisal of these models indicates that the new drivers in the Chaochai product family can be put into mass production. They will thrive under the joint care of all employees of Chaochao and open up a vast sky for tomorrow's Chaochao.
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