棒材轧机液压系统设的计说明书.doc
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目 录
1.前言·······································································································1
2.绪论·······································································································2
2.1液压技术概况··················································································2
2.2本课题主要研究内容·········································································2
2.3设计步骤························································································3
3.液压系统的工作要求·················································································5
3.1液压系统的组成···············································································5
3.2棒材轧机液压系统工作原理·······························································5
3.3液压系统参数计算············································································5
3.3.1确定液压缸负载·····································································5
3.3.2液压缸主要尺寸的确定····························································6
3.3.3确定液压泵的流量、压力和选择泵的规格·······························7
3.3.4与液压泵匹配的电动机的选定··············································8
4.确定液压系统方案、绘制液压系统原理图·····················································9
4.1确定液压系统方案············································································9
4.1.1液压基本回路········································································9
4.1.2选择液压回路········································································9
4.2绘制液压系统图·············································································10
4.2.1将基本回路组成系统原理图···················································10
4.2.2液压元件选择·······································································11
4.3液压系统的验算·············································································11
4.3.1系统压力损失计算································································12
4.3.2系统效率计算·······································································13
5.液压站的设计················
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