With the increasingly fierce competition in the commercial vehicle market and the increase in raw materials and costs, many commercial vehicle companies in China are paying more and more attention to creating core parts and components. At present, the competitive pattern of the major components of the commercial vehicle manufacturers in China is basically formed. .
Dongfeng Motor Group is one of the largest automotive subsidiaries. In February last year, Dongfeng Automotive Components (Group) Co., Ltd. was established. The company absorbed 15 key components companies of Dongfeng. Its business scope includes suspension and bearing systems and steering systems. , engine thermal systems, automotive electronic control modules, etc. FAW Group and SAIC Motor also integrated their own parts and components business to improve their competitiveness by subsidizing their parts and components business to one or more independent companies.
China National Heavy Duty Truck Co., Ltd. strengthened its power transmission assembly resource control capabilities in the competition of assembly resources. While supporting the development of Hangzhou Engine Co., Ltd., it established Jinan Power Co., Ltd. and jointly produced 615 series engines. The two factories also provide support for other companies, which will have an impact on the current engine supply pattern. At the same time, Sinotruk's Steyr technology upgrade is more obvious. The overall layout of the engine, transmission, axles in the field, the successful extension of the product line to the Steyr series, some products and Shaanqi, SAIC Iveco Hongyan formation Differentiation has laid the foundation for the rapid development of Sinotruk in the past two years.
In June of this year, the MAXUS Chase V80 produced by SAIC Motor Corporation was formally rolled out at Wuxi's production base. When it comes to component parts systems, SAIC executives have expressed their concern for the component parts system. In June of this year, the MAXUS Chase V80 produced by SAIC Motor Corporation’s commercial vehicle production line officially debuted at Wuxi’s production base. SAIC President Chen Hong In an interview, he said that during the “12th Five-Year Plan†period, SAIC Motor will accelerate the formation of core competitiveness in the commercial vehicle segment and synchronize the construction of supporting systems for core components such as engines, transmissions and drive axles. Xiao Guopu, vice president of SAIC, also issued the same opinion on different occasions. He said that during the “12th Five-Year Plan†period, SAIC will invest 3 billion yuan to improve the competitiveness of commercial vehicle engines, and there are also several billion investment plans for transmissions. .
In the transmission field, FAW uses Eaton’s transmission division and will become the main body of the heavy-duty transmission business of FAW Group. Although at present, there is a certain gap between FAW gearbox and Fast in terms of cost control, but through the development of cost control and new product development, especially the development of twin countershaft transmissions, the twin intermediate shafts of FAW Transmission and Fast will be made. Transmissions compete. In the next few years, FAW's demand for Fast transmissions will gradually decrease. Reducing the cost of upstream components also means that FAW has an important bargaining chip in the future competition of commercial vehicles.
According to industry sources, Shaanxi Automobile, China National Heavy Duty Truck Group, China FAW Group, and Dongfeng Automobile have basically formed a complete and controllable key assembly supporting system, and the new round of commercial vehicle market competition will become more intense.
Batteries can be divided into two categories: alkaline batteries and acid batteries. Lead-acid batteries are commonly used in automobiles, whose main purpose is to start the engine. Car batteries can be divided into the following four types: wet charge batteries, dry charge batteries, low-maintenance batteries and maintenance-free batteries.
The car is equipped with two DC power supplies, battery and generator. All the electric equipment used in the car is connected in parallel with the DC power supply. Battery functions are :1. When the engine starts, power supply to the starter and ignition system; Electricity; 2. When the engine is running at low speed, it will be supplied power to electrical equipment and generator magnetic field winding. 3. When the engine is running at medium and high speed, the remaining electric energy of the generator will be converted into chemical energy and stored. When the generator is overloaded, assist the generator to supply power to the electrical equipment. 5. The battery is equivalent to a large capacitor, which can absorb the instantaneous overvoltage in the circuit, protect the electronic components, and keep the voltage stability of the automobile electrical system.
When starting the engine, the battery in 5~10S, to start the continuous supply of strong current (gasoline engine 200~600A, diesel engine 800~1000A), therefore, the requirements for the battery is: large capacity, small internal resistance, have enough starting ability.
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