哈尔滨工业大学液压传动大作业设计说明书设计题目卧式组合机床液压动力滑台机电工程学院班设计者2010 年 9 月 10 日流体控制及自动化系哈尔滨工业大学液压传动大作业任务书学生姓名班号设计题目钻镗两用卧式组合机床液压动力滑台1.液压系统用途（包括工作环境和工作条件）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. 选择系统所选用的液压元件及辅件；3. 验算液压系统性能；4. 编写上述1、2、3的计算说明书。

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······················································- 1 -2 设计的技术要求和设计参数 ··············- 2 -3 工况分析 ··············································- 2 -3.1 确定执行元件 ···································- 2 -3.2 分析系统工况 ···································- 2 -3.3 负载循环图和速度循环图的绘制 ···-4 -3.4 确定系统主要参数 ···························-5 -3.4.1 初选液压缸工作压力·································································- 5 -3.4.2 确定液压缸主要尺寸·································································- 5 -3.4.3 计算最大流量需求·····································································- 7 -3.5 拟定液压系统原理图 ·······················- 8 -3.5.1 速度控制回路的选择·································································- 8 -3.5.2 换向和速度换接回路的选择 ·····················································- 9 -3.5.3 油源的选择和能耗控制···························································- 10 -3.5.4 压力控制回路的选择·······························································- 11 -3.6 液压元件的选择 ·····························- 12 -3.6.1 确定液压泵和电机规格···························································- 13 -3.6.2 阀类元件和辅助元件的选择 ···················································- 14 -3.6.3 油管的选择···············································································- 16 -3.6.4 油箱的设计···············································································- 18 -3.7 液压系统性能的验算 ·····················- 19 -3.7.1 回路压力损失验算···································································- 19 -3.7.2 油液温升验算···········································································- 20 -1 序言作为一种高效率的专用机床，组合机床在大批、大量机械加工生产中应用广泛。