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圆锥破碎机在运行过程中常出现衬套向上移动现象，一般称为上窜。上窜原因有多种，其主要原因是开车时，油温达不到规定要求或机体磨损与村套的配合松动。张家口金矿选矿厂使用的PYZ－1200圆锥破碎机是1976年投产的，由于机体中心套筒磨损导致中心套筒上窜。特别是1993年连续上
Cone crusher in the course of the operation of bushing upward movement phenomenon, commonly known as channeling. There are many reasons for the channeling, the main reason is driving, the oil temperature does not meet the requirements or body wear and loose with the sleeve. The PYZ-1200 cone crusher used at the Zhangjiakou Gold Mine beneficiation plant was put into operation in 1976, which caused the central sleeve to go up due to the wear of the center sleeve of the body. Especially in 1993 on a row