目 录 前 言 ........................................................................................................................................................................2 一、镗床液压系统 ..................................................................................................................................................3 （一）液压系统概述 .......................................................................................................................................3 （二）镗床的概述 ...........................................................................................................................................4 二、镗床液压系统设计 .........................................................................................................................................7 （一）镗床液压系统设计要求及工作环境 ...............................................................................................7 （二）工况分析及设计计算..........................................................................................................................7 （三）选择液压回路 .....................................................................................................................................1 0 （四）液压缸的负载分析 ............................................................................................................................1 4 （六）液压系统图的拟订 ............................................................................................................................2 4 （七）液压元件的选择.................................................................................................................................3 0 三、液压系统的校核 ...........................................................................................................................................3 3 （一）油液温升验算 ..........................................................................
