Shanxi Provincial Science and Technology Agency organized experts on the Jinzhong and Textile Machinery Co., Ltd. completed the bearing "JQB3 high-speed spinning cup bearing" project for scientific and technological achievements appraisal. The meeting was presided over by Director Niu Zhiyong of the Provincial Department of Science and Technology. Luoyang Bearing Science and Technology Co., Ltd., Taiyuan University of Science and Technology and other domestic authoritative bearing experts listened to report, review the information, examine the site, the question discussion, agreed that the project design, advanced technology, product performance to the leading domestic level. Jinzhong Renhe Textile Machinery Bearing Co., Ltd. is a key scientific and technological enterprise in Yuci District and one of the privately-run science and technology enterprises that have developed rapidly in recent years in this area. Based on the analysis of the advanced technology of international high-speed bearings, the project has studied the influence of high-speed spinning cup bearing retainers, seals, rolling elements and grease on the high-speed performance and life of the bearings, and designed and customized high-precision CNC machining Equipment, to determine the best production plan. Developed a direct double channel JQB3 high speed spinning cup bearing for rotor spinning machines, with a service life of more than 9,000 hours in routine tests at speeds up to 100,000 rpm. The successful development of this technology has solved the key technical problems for the upgrading of China's textile machinery and contributed to the development of high-end textile machinery products, the gradual substitution of imports, the realization of domestic products and the revitalization of traditional industries.

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