Recently, in the mainstream heavy trucks newly promoted by major domestic OEMs, the 9-, 10-, 12-, 16- and 20-speed all-aluminium alloy housing transmissions developed independently by Fast have been designed with advanced lightweight design and Outstanding energy-saving quality, successfully supporting the liberation of J6, Dongfeng Tianlong, Auman 6, Shaanxi Heavy Duty F3000, Beiben V3 and Jirui Heavy Industry and many other models have become the main products of this high-end platform. This not only shows that Fast has made a wide range of space for lighter transmissions, but also marks the full extension of Fast's lightweight products in the market competition and achieves the full weight reduction of mainstream products.
As the automotive industry moves toward lightweight technology, transmission products as an automotive powertrain are also entering the era of large-torque lightweight parallelism. In recent years, Fast, as a leader in domestic heavy-duty truck transmission, has actively adjusted its current energy-saving, emission-reducing and low-carbon environmental economic development trends to timely adjust its product structure, transform its economic development mode, and vigorously promote the application of new technologies, technologies and materials. We will continue to accelerate the pace of research and development of lightweight new energy-saving products. Currently, a series of new transmission products such as 6DS, 9JSD, 10JSD, 12JSD, 16JSD, 20JS200, and AMT, which are independently developed by the company, are competitive in quality performance, energy saving and environmental protection, etc., and have rapidly occupied the commanding heights of energy-saving products. , And realized the expansion from the heavy truck to the construction machinery, passenger cars and other supporting fields. The self-developed 12-speed all-aluminum alloy shell lightweight transmission reduces the total weight of new products by 108 kg, providing the latest optimized configuration for commercial vehicles to achieve lightweight and energy-saving improvements; the 6DS series lightweight passenger car transmissions rely on reliable quality assurance and The high cost performance has been selected by Yutong, Jinhua Youth, Jinlong and many other bus manufacturers as fixed-point supporting products. The market demand is increasing rapidly. The new demand of Fast's lightweight products leading the market has become the growth pole for promoting the transformation and upgrading of enterprises and achieving steady development.
In order to accelerate the pace of lightweight innovation in products, Fast relies on the unique design advantages of the double countershaft transmissions to continuously increase the optimization and analysis of lightweight structures. As the Fast double twinshaft transmission power realizes the internal power split of the box, the load on each countershaft and each gear in the transmission is reduced by half, which greatly improves the stress of the gears, bearings and the box. The width of the gear and the size of the assembly can be greatly compressed, which brings great convenience to the lightweight design of the product. It is through this working principle that the new lightweight transmission new products designed and developed by Fast have all adopted a fine-tooth design. The teeth are designed as non-standard involute K-shaped teeth, and the main box is equipped with high performance. The double-cone synchronizer makes the product more reliable and more manoeuvrable.
Fast optimizes the lightweight design of its products and focuses on the use of its advantageous resources in the research and development of core technologies. It further perfects its independent innovation system and technology research and development system, and makes full use of internationally advanced design analysis software and experimental equipment to strengthen The transmission is matched with the dynamics and economy of the vehicle and comprehensively tested. Based on this, the wall thickness of the transmission housing is professionally inspected and scientifically revised to ensure that the product is lightweight and achieves optimal quality, which not only reduces the overall efficiency. The weight of the vehicle has achieved the purpose of lightweighting, and it has greatly improved the stability and safety of the vehicle. It has realized the users' multiple cargo loads and reduced fuel consumption, thus ensuring the maximization of user interests.
The lightweighting of assembly components is an important basis for advancing vehicle energy conservation and environmental protection. Currently, Fast has invested in the introduction of Italy's 2700T aluminum alloy die-casting production line, 600T aluminum alloy die-casting production line, and the United States aluminum alloy lost foam casting automatic production line, has been put into mass production, and laid a more solid foundation for the lightweight development of transmissions. It also enables companies to win customers' more extensive trust and respect with lightweight products with superior quality.
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