In early 2016, the production line of the Fast S-series transmissions passed the acceptance test. As a new series of high-end strategic products used by FAST in Europe and the United States, and for international research and development, the S-series transmissions began mass production. This product is low noise and high. Comfort, high torque, and more energy-efficient design and positioning have shown a shift in the demand for the heavy-duty transmission market in China: from the more emphasis on product reliability and economics to more energy-saving and more comfortable. Therefore, it can be said that the mass production of the S series transmissions is of great significance to the upgrading of the Fastest key powertrain structure and the improvement of the brand competitiveness, as well as the promotion of technology upgrading in the heavy-duty transmission field. "The S series transmission is a brand-new platform product developed to meet the standard of European and American transmissions and adapted to a new generation of high-end commercial vehicle manufacturers. Its noise performance, handling performance, reliability and other comprehensive performance have reached the international advanced level." The relevant person in charge of S&T told the reporter that S series transmissions have the advantages of small speed ratios, good fuel economy, strong climbing ability, and strong adaptability of the whole machine, which can be said to be the best in the field of heavy-duty transmissions. Heavy truck users value fuel economy and comfort What kind of heavy-duty transmissions do domestic customers need most? The ability to accurately grasp customer needs and provide differentiated products has become a competitive advantage for transmission companies. Fast has a deep understanding of heavy-duty transmissions for many years. . According to the relevant person in charge of Fast, the current domestic users are increasingly demanding the controllability, driving comfort and fuel economy of heavy trucks. In view of this, Fast uses a double countershaft technology and a fully helically designed surface-enhanced technology to ensure that the no-load noise of the S-series transmission does not exceed 80 dBA and the gear bearing capacity is increased by approximately 20% compared to the existing products. At the same time, all aluminum alloy die-casting is used. Shell for lightweighting purposes. The modularized design of the pneumatic shift booster has a good control feel and enables the heavy-duty transmission “sedanization†shift, which significantly reduces driving fatigue and improves driving comfort. The S series transmissions, which are comfortable and easy to operate, not only allow users to “like†but also have a strong fuel-saving capability that is an important advantage of this heavy-duty transmission. According to statistics, in the modified market, Dongfeng Tianlong users equipped with the Fast transmission C26JSDQXL220TA overspeed transmission S transmission, the fuel-saving effect is obvious, the average increase in fuel economy efficiency of 3% to 6%. If a bicycle runs 120,000 kilometers per year, each vehicle can save 12,000 to 24,000 yuan in fuel costs each year. In the current fierce competition in the transportation industry, fuel costs have become a key factor for users to choose products. It is understood that ZF, Eaton transmission products have reliable performance and obvious technological advantages. However, due to its high price, major automakers are constantly looking for a relatively low cost but relatively high product stability technology. The S series transmission is a powerful product that Fast is aiming for in the market. The wine is not afraid of the deep alley. S Series transmissions have attracted the attention of many customers since their launch in the market. Domestic high-end prototypes such as Shaanqi, Dongfeng, and Futian have successfully installed S-transmissions to lay a foundation for large-scale supply of products this year. Overseas customers have expanded to include customers in the United States, the Netherlands, Austria, and Belarus. Countries and regions. Technical advantage will become the key to heavy-duty transmission competition “The future heavy-duty transmission market will continue structural adjustment, and the overall market will also be in a steady decline. This will be a challenge for each transmission company. For those companies with adequate technology and product reserves, the market adjustment belt More opportunities are coming.†Li Shengqi, secretary general of the China Automotive Automatic Transmission Innovation Alliance, told reporters. This is indeed the case. The market is unpredictable and how to stand out in the heavy-duty transmission market. Undoubtedly, the technological upgrading of products has become the key to the competition among enterprises. Obviously, companies have long paid attention to this point. The introduction of the Fast S-type transmission is the new key to achieving self-improvement in technology. Coincidentally, Dongfeng Commercial Vehicles had a joint venture with Volvo last year to introduce Volvo's manual transmission technology and the products will be matched with Dongfeng Commercial Vehicles. There are many companies that have actions on heavy-duty transmissions. However, a competitive market is a vibrant market that will promote the rapid development of the entire industry. “From the point of view of the development of foreign countries, the multi-blocking, lightweighting, and automation of heavy-duty transmissions in China are an inevitable direction of development.†Li Sheng-chi said that the innovation of the S-series transmission is exactly here, with the use of aluminum housings in light weight Make efforts to complete the double countershaft technology with synchronizer and further perfect multi-block products. In response, industry insiders told reporters that in the future commercial vehicles will have a greater demand for synchronizer transmissions. Through the introduction of foreign advanced technology to digest and absorb, the current domestic manufacturers of heavy-duty transmission technology gradually increase the proportion of independent research and development technology. In recent years, the automatic development trend of autonomous heavy-duty transmissions in China is very fast. According to the reporter's understanding, the AMT automatic transmission not only has simple operation and flexible use, but also has advantages in terms of cost and maintenance, especially fuel consumption. Therefore, domestic companies have launched their own AMT heavy-duty transmission products to compete. "Currently, China National Heavy Duty Truck and other domestic autonomous heavy-duty transmissions can basically meet the needs of the domestic market in terms of technology, but in the future, if we want to compete with internationally renowned transmissions such as ZF and Eaton, we must continue to upgrade our technology." Li Fayou, vice president of the Automotive Drive Design Institute of the Technology Development Center, said that the technology development trend of heavy-duty transmission products in the future will develop towards high torque, intelligence, economy, comfortable operation, and low noise. "Heavy duty truck drivers have a lot of fatigue, improving efficiency, driving comfort and safety are also part of the company's key research needs." Li Fayou said. From the current planning of ZF and Eaton’s well-known foreign transmission companies, the concern of the company has risen from the original product to the overall solution of the transmission system. The technology development of automatic driving will also bring profound changes to the transmission system.
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Heavy-duty transmission technology upgrade