China's first 2800KW planetary gear reducer has successfully passed the on-site evaluation organized by the China Coal Industry Association at the cement plant of Hebei Jinniu Energy Co., Ltd. This significant milestone marks a major breakthrough in the development of large-scale transmission equipment within China's building materials and metallurgical sectors.
The 2800KW planetary gear reducer, jointly developed by the Shanghai Branch of the Coal Research Institute and the Suzhou Metallurgical Machinery Factory under Baosteel Group, represents the largest independently designed and applied planetary gear system in the country for these industries. Installed in the main drive system of the No. 1 cement mill at Hebei Jinniu Energy Cement Factory in September 2004, the unit has been operating continuously for over 7,500 hours.
During this period, the sun gear has undergone more than 59 million stress cycles, demonstrating exceptional durability and performance. The entire system operates smoothly, with noise levels, vibration, and temperature rise all meeting the design specifications. This successful field application not only validates the technical capabilities of Chinese manufacturers but also highlights the growing confidence in domestically produced high-power transmission solutions.
With its proven reliability and efficiency, this planetary gear reducer sets a new benchmark for future developments in industrial machinery. It reflects the ongoing efforts of Chinese engineering teams to innovate and meet the demands of heavy industry with advanced, homegrown technology.
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