1. 液压系统用途包括工作环境与工作条件及主要参数卧式组合机床液压动力滑台。切削阻力 F=15kN 滑台自重 G=22kN 平面导轨静摩擦系数0 、 2 动摩擦系数 0 、 1 快进 / 退速度 5m/min 工进速度 100mm/min最大行程 350mm 其中工进行程 200mm 启动换向时间 0 、 1s 液压缸机械效率0 、 9 。2. 执行元件类型液压油缸3. 液压系统名称钻镗两用卧式组合机床液压动力滑台。设 计 内 容1 、拟订液压系统原理图2 、选择系统所选用得液压元件及辅件3 、验算液压系统性能4 、编写上述 1 、 2 、 3 得计算说明书。设计指导教师签字教研室主任签字年 月 日签发目录1 序言 ······························································ 错误未定义书签。2 设计得技术要求与设计参数 ····················································-1-3 工况分析 ····················································································-1-3 、 1 确定执行元件 ······································································-1-3 、 2 分析系统工况 ······································································-1-3 、 3 负载循环图与速度循环图得绘制 ······································-3-3 、 4 确定系统主要参数 ······························································-4-3 、 4 、 1 初选液压缸工作压力 ·············································-4-3 、 4 、 2 确定液压缸主要尺寸 ·············································-4-3 、 4 、 3 计算最大流量需求 ···············...
