流水线专用镗床液压动力系统设计-液压站设计【含CAD图纸、说明书】

.........6第三章液压系统回路选择............................................103.1选取工作泵..................................................103.2动作实现及基本回路选择......................................103.2.1调速回路..............................................103.2.2控制阀选择.............................................103.2.3压力继电器和行程开关的确认............................113.2.4溢流阀的确认...........................................113.3原理图......................................................12第四章液压站元件确认..............................................154.1选取液压泵..................................................154.1.1液压泵工作压力理论值..................................154.1.2液压泵理论流量........................................154.2电动机额定功率..............................................15选取液压站元件.................................................16