方坯连铸机液压系统
Billet caster hydraulic system

　　该液压系统采用恒压变量柱塞泵和插装阀及蓄能器组合，适用于四机四流方坯连铸机，它共有两套液压系统，一套用于拉矫机及脱引锭系统，另一套用于引锭杆移放及切割摆动辊道系统。
　　Consisting a constant pressure variable plunger pump and plug-in valve and accumulator, it is used for four-machine four-current billet casters. With two hydraulic systems, one is for withdrawal straightening machine and dummy ingot taking system, and the other is for moving dummy bar, and cutting and swinging roller-way system.