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由太原重型机械(集团)有限公司研制的TZ型900-75热连轧油膜轴承,日前通过机械部部级鉴定。鉴定认为:该轴承研制是成功的,满足了用户的要求,达到了当代世界水平,具有广泛的应用和推广价值。 该轴承主要用于攀钢1450热轧带钢生产线F_4—F_6轧机上。研制中大胆采用的“短键”结构,既减少了锥套的不均匀变形,又可提高轴承的承载能力和轧材精度;采用的“DF”密封装置和陶瓷喷涂技
By Taiyuan Heavy Machinery (Group) Co., Ltd. developed TZ 900-75 hot rolling oil film bearings, recently passed the Ministry of Machinery Ministry appraisal. Identification that: the development of the bearing is successful, to meet the user’s requirements, reached the contemporary world level, with a wide range of applications and promotional value. The bearing is mainly used for Pangang 1450 hot-rolled strip production line F_4-F_6 mill. The “short key” structure adopted boldly in the research and development has not only reduced the uneven deformation of the taper sleeve but also increased the carrying capacity of the bearing and the precision of the rolling material. The “DF” sealing device and the ceramic spray coating