棒材轧机液压系统设计说明书毕业论文.doc

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1、棒材轧机液压系统设计说明书毕业论文目录1.前言·······································································································12.绪论·······································································································22.1液压技术概况·······

2、···········································································22.2本课题主要研究内容·········································································22.3设计步骤··················································································

3、······33.液压系统的工作要求·················································································53.1液压系统的组成···············································································53.2棒材轧机液压系统工作原理··············································

4、·················53.3液压系统参数计算············································································53.3.1确定液压缸负载·····································································53.3.2液压缸主要尺寸的确定················································

5、············63.3.3确定液压泵的流量、压力和选择泵的规格·······························73.3.4与液压泵匹配的电动机的选定··············································84.确定液压系统方案、绘制液压系统原理图·····················································94.1确定液压系统方案·································

6、···········································94.1.1液压基本回路········································································94.1.2选择液压回路········································································94.2绘制液压系统图·····························

7、················································104.2.1将基本回路组成系统原理图···················································104.2.2液压元件选择·······································································114.3液压系统的验算·····································

8、········································114.3.1系统压力损失计算································································124.3.2系统效率计算·······································································135.液压站的设计······························