机座水压机的液压系统设计.pdf

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1、目录绪论...................................................................................................................................................1 1．计算下油缸的外负载................................................................................................................

2、.3 1.1工作负载............................................................................................................................4 1.2计算摩擦负载...................................................................................................................4 1.3计算惯性负载.....

3、..............................................................................................................5 2.绘制负载图和速度图.................................................................................................................6 3.确定液压系统参数............................

4、.........................................................................................8 3.1初选液压缸的工作压力...................................................................................................8 3.2计算液压缸的尺寸。...........................................................

5、.............................................8 3.3计算液压缸在工作循环中各阶段所需的压力、流量和功率.......................................9 3.4绘制液压缸的工况图.......................................................................................................9 4.计算上油缸的外负载................................

6、.................................................................................11 4.1工作负载..........................................................................................................................12 4.2.计算摩擦负载..................................................

7、...............................................................12 4.3计算惯性负载.................................................................................................................13 5.绘制负载图和速度图..........................................................................

8、.....................................14 6.确定液压系统参数..................