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苏联锻压机械制造科学试验研究所研制了用于6300与25000kN螺旋压力机的水—乳化液液压传动装置。对传动装置研究的任务是:确定工作时间和选择最佳结构的液压传动装置的压力阀,算出控制阀的最佳进口孔径;根据压力阀的行程确定压力机的最大加载速度,并选择阀门的行程。液压主分配器(如压力阀)动作的快速性直接影响压力机的动力指标和模具的工作条件。压力阀缓慢开启会导致液压损耗和降低压力机的总效率,而压力阀缓慢关闭又会延长模
The Soviet Union Forging Machinery Manufacturing Institute of Science and Technology developed a 6300 and 25000kN screw press hydraulic - emulsion hydraulic transmission. The task of the transmission research is: to determine the working hours and select the best structure of the hydraulic actuator pressure valve to calculate the best control valve inlet diameter; according to the pressure valve stroke to determine the maximum press loading speed, and select the valve stroke. Hydraulic main distributor (such as pressure valve) the rapidity of the action directly affects the press dynamometer and mold working conditions. Slow opening of the pressure valve can cause hydraulic losses and reduce the overall efficiency of the press, while the slow closing of the pressure valve increases the length of the mold