目录 1 弯管机原理 ................................................................................................................................... 2 1 .1 弯管机的工作原理 ........................................................................................................................ 2 1 .2 弯管机的工艺过程 ........................................................................................................................ 2 1 .3 弯管控制流程 ................................................................................................................................ 3 2 液压系统 ....................................................................................................................................... 4 2 .1 液压流程 ........................................................................................................................................ 4 .......................................................................................................................................................... 4 2 .2 液压系统工况分析 ....................................................................................................................... 5 2 .3 .1 液压缸工作负载的计算 ......................................................................................................... 6 2 .3 .2 确定缸的内径和活塞杆的直径 ............................................................................................ 6 2 .3 .3 计算液压缸在工作循环中各个阶段的压力、流量和功率的实际值 ................................. 7 3 .4 选择液压泵和电机 ........................................................................................................................ 8 3 .4 .1 确定液压泵的工作压力、流量 ............................................................................................. 8 3 .4 .2 液压泵的确定 ........................................................................
