The piercing mill is one of the main equipment in seamless steel tube production. The plug bar and tube are supported by lifting rollers. The lifting movement of roller is controlled by the hydraulic system which is composed of cartridge valve. The fault phenomenon of the hydraulic system and the method of judging and treating were introduced. The causing of fault was analyzed. A new idea and method of judging and dealing with hydraulic fault were put forward.
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郝兴安,冯博.穿孔机拖出辊升降液压系统故障分析及处理[J].机床与液压,2017,45(4):192-194. . Fault Analysis and Processing of the Hydraulic System of Piercing Mill's Drag Lifting Roller[J]. Machine Tool & Hydraulics,2017,45(4):192-194