With the intensive implementation of the country’s new environmental protection policies and the continuous improvement of users’ requirements for vehicle performance and fuel consumption, as the core of commercial vehicles, there is a common pattern of competition between components within the powertrain industry. Great challenge.

“The powertrain is closely related to the automotive dynamics, economy, comfort, cost, reliability, and safety and environmental protection. It is impossible for them to form a concerted effort to maximize the performance of the entire vehicle and it is difficult to adapt to the development of the modern industry. . "recently, an interview with economic Herald reporter, vice president and chief technology officer Hu Haoran Weichai frankly, in recent years, intelligent vehicle driving, intelligent control and other powertrain technology has made great progress, parts and components with spare parts There is an urgent need to integrate the upstream and downstream industries through integration from top to bottom or from top to bottom in order to create synergy through the matching of systems, reduce costs, and improve performance. Daimler-Benz and Volvo are examples of success. Weichai Power has absorbed the merger of the Hunan Torch and has created a powertrain that has become the company’s core competitiveness and has significantly improved the performance of the vehicle.

Corporate Core Competitive Advantage

According to Hu Haoran, the powertrain enables all parts and components to have a unified management system and formulate effective and effective production capacity protection measures in accordance with market demand. Through the production of information management, real-time monitoring of the production system can improve the consistency of powertrain products and product quality; and through the establishment of maintenance and after-sales service protection system, can effectively solve customer problems, improve maintenance quality and after-sales Service level, enhance customer satisfaction; through the integration of resources, unified prices, unified management of production, unified product transport routes and transport companies, optimize the assembly product procurement system, can promote assembly product production and procurement costs .

It is understood that Daimler-Benz, Volvo has top-down vehicle --- powertrain --- parts of the vertical industry chain resources, recently MAN and Scania to develop their own transmission, also It is here. However, there are only a handful of companies with powertrains in the country.

From 2005, the prelude to building a powertrain, after Weichai Power absorbed the merger of the Hunan Torch, it integrated the advantages of the vertical industry chain resources, and the vision of “developing into a unique global equipment manufacturing industry is an important pole”. This sails. The current Weichai has the most complete domestic commercial vehicle diesel engine, transmission, drive axle R&D and manufacturing system.

Analysing the advantages of Weichai in the powertrain sector, Hu Haoran said that as the most influential heavy-duty engine brand in China, the market share of Weichai's power engine has long been the industry's first, with strong R&D strength, a sound talent team, and a complete product line. The vehicle engine's displacement covers from 2L to 13L, and has established five R&D centers in China, Weifang, Shanghai, Yangzhou, Hangzhou, and Chongqing, and has R&D facilities in the United States, France, Germany, and Italy.

Blueprint on the new platform

Hu Haoran told the Herald reporter that Weichai Power's “National Commercial Vehicle Powertrain Assembly Engineering Technology Research Center” that was approved for construction in 2009 has passed the inspection and was officially listed. On this platform, Weichai has undertaken and completed a number of projects of the Ministry of Science and Technology, including the development of powertrain assembly systems for trucks and powertrain assembly development projects for tractors.

Among them, the truck powertrain assembly development project applied for six invention patents, achieved a comprehensive fuel-saving rate of 12.75% -14.22%, emissions reached the "national five" level, and has been successfully in the Shaanxi MTR new M3000 carrier trucks Apply.

More crucially, the above-mentioned project development has improved the collaborative development capabilities of the subsidiaries, such as the development plan for Yaxing Bus (600213), and optimized the group's engine, transmission, axle, and other powertrain assembly through brand new matching and The vehicle intake and exhaust system, cooling system, suspension system, Yaxing 12m intercity bus powertrain assembly technology research project has made breakthrough progress, declared 4 invention patents, and achieved dynamic performance and benchmarking vehicles The user's actual road test fuel consumption decreased by 10.49%.

"The new breakthrough in vehicle performance, the core of the powertrain, Weichai plan to work hard on the efficiency and modularization of the drive." Hu Haoran told the Herald reporter, fast shipping is the development trend, a large part of the performance of the powertrain depends Drive system efficiency. Engines, transmissions and axles are key components in the chassis of commercial vehicles. In the future, the efficiency of the engine, the NVH performance of the transmission system, the transmission efficiency of the transmission, the deceleration pattern of the axle, the braking mode of the wheels, and the braking energy will be used. Recycling and other aspects to achieve high efficiency and high-tech.

With respect to increasingly stringent emission regulations, there is not much room for improving the performance of a single component or system. Integration and modularization of the powertrain system is one of the key directions for future industry development. The development of modern electronic control technology and CAN bus technology makes the powertrain assembly an inseparable whole. Through the integration and optimization of engine, clutch, transmission, drive axle, and other subassemblies, the comprehensive performance of commercial vehicles can be significantly improved. Make commercial vehicles safer, more reliable, and more environmentally friendly.

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