As to low output of the one-box baler,the paper amply analyzed main reason on the base of field notes,brought forward the improvement of main-press hydraulic cylinder and designed its hydraulic control.The baler was improved.%针对单箱打包机产量不高的现状,该文在实践经验的基础上,分析了主要原因,通过对主压油缸的改进,产量得到大幅提高,并对液压控制进行了基本设计.
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