The external gear of the wind power gear box generally adopts a carburizing and quenching grinding process. The design and analysis of a two stage reduction gearbox.The introduction of high-efficiency and high-precision CNC forming gear grinding machines has made our foreign gear finishing level not much different from that of foreign countries. There is no difficulty in achieving the 5-level precision technology specified by the 19073 standard and the 6006 standard. The design and analysis of a two stage reduction gearbox. However, there are still gaps between China's advanced technology in heat treatment deformation control, effective layer depth control, tooth surface grinding tempering control, and gear tooth shaping technology.
Due to the large size of the ring gear of the wind turbine gearbox and the high processing precision, The design and analysis of a two stage reduction gearbox.the manufacturing technology of the inner ring gear in China is quite different from the international advanced level, which is mainly reflected in the gear processing and heat treatment deformation control of the helical internal gear.
The machining accuracy of the structural parts such as the box body, the planet carrier and the input shaft has a very important influence on the meshing quality of the gear transmission and the bearing life. The design and analysis of a two stage reduction gearbox.The quality of the assembly also determines the length of the wind turbine gearbox and the reliability. . China has realized from the importance of the processing and assembly precision of structural parts that there is a certain gap between the level of equipment and the advanced level of foreign countries. The design and analysis of a two stage reduction gearbox.The acquisition of high-quality, high-reliability wind turbine gearboxes, in addition to advanced design techniques and necessary manufacturing equipment support, is inseparable from the strict quality control of every step of the manufacturing process. The design and analysis of a two stage reduction gearbox.The 6006 standard provides strict and detailed regulations on the quality assurance of the gearbox.
The lubrication system of the gearbox is very important for the normal operation of the gearbox. The design and analysis of a two stage reduction gearbox.The large wind turbine gearbox must be equipped with a reliable forced lubrication system to inject the oil to the gear meshing area and bearings. The design and analysis of a two stage reduction gearbox.In the cause of the failure of the gearbox, the lack of lubrication accounted for more than half. The design and analysis of a two stage reduction gearbox.Lubricating oil temperature is related to component fatigue and overall system life. Generally speaking, the maximum oil temperature of the gearbox should not exceed 80 °C during normal operation, and the temperature difference between different bearings should not exceed 15 °C. The design and analysis of a two stage reduction gearbox.When the oil temperature is higher than 65 °C, the cooling system starts to work; when the oil temperature is lower than 10 °C, the oil should be heated to the predetermined temperature and then turned on.
With Best Regards,
Candy Hao ( Sales Department; Miss. )
NER GROUP CO.,LIMITED
Yantai Bonway Manufacturer Co., Ltd
Add:No.5 Wanshoushan Road Yantai city Shandong Province, China（264006）
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