On February 22, Beijing New Energy Automobile Co., Ltd. (hereinafter referred to as “Beiqi New Energyâ€) was officially established in Daxing District, Beijing. Xu Heyi, Chairman of BAIC Group, will present Beiqi New at the internal new energy work conference on March 11. Energy is defined as a test field and special zone for BAIC Group to reform and innovate its systems and mechanisms. After a series of large-scale operations, BAIC New Energy has received sufficient funds and advanced technical support at home and abroad.
Beiqi New Energy is currently the first joint-stock new energy automobile company in China. The total registered cost of the company is 2 billion yuan, of which 60% is controlled by BAIC Group, Beijing Industrial Investment Co., Ltd., Beijing State-owned Capital Management Center and Beijing Electronics Holdings Co., Ltd. The company holds the remaining 25%; 10% and 5% respectively.
At present, Beiqi New Energy has launched strategic cooperation with many companies such as Dayang Electric, Pride Battery, Ai Sikai Battery and Siemens Motor, and signed an equity subscription agreement with American Atieva Company, becoming the largest shareholder of the latter.
Up to now, Beiqi New Energy has nearly 3,000 products in the rental, government business, leasing, driving school and other fields, including its E150EV, Sic Bo EV, Weiwang 360EV, E150 extended program and other models, the accumulated mileage has exceeded 30 million kilometers. On this basis, the new company will continue to invest 3 billion yuan in the next five years for capacity building and new product and technology research and development.
The needle roller bearing is a roller bearing with a cylindrical roller. Relative to its diameter, the roller is both thin and long. This roller is called a needle roller. Although it has a small section, the load bearing capacity of the bearing is still high, with thin and long needle bearing roller (roller diameter of D = 5mm, L/D = 2.5, L roller length), so the radial structure is compact, the minimum diameter of the diameter and load capacity and other types of bearings, bearing the same, especially for the structure in radial installation size limited.
According to the use of different occasions, can choose the inner ring of the bearing or needle roller and cage assembly, the shaft neck surface and the surface of shell holes matched with a bearing directly as the bearing inner and outer rolling surface, in order to ensure the load capacity and operating performance and have the same ring bearing, shaft or housing bore raceway surface hardness the machining precision and the surface quality of bearing ring raceway and similar. This kind of bearing can only bear radial load.
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