The technical requirements of roll change device for a certain universal mill and the original hydraulic control loop, and the working principle of 2way cartridge valve were described. Further analysis and survey on the fault in operation were made and the optimized control loop was put forward. In effect, after optimization, the fault in application is removed completely.
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李宇林.基于二通插装阀的换辊装置液压控制回路故障分析及优化[J].机床与液压,2016,44(8):83-84. . Fault Analysis and Optimization of Hydraulic Control Loop Based on 2way Cartridge Valve for Roll Change Device[J]. Machine Tool & Hydraulics,2016,44(8):83-84