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1、【精品文档】如有侵权，请联系网站删除，仅供学习与交流液压系统油管选择 各管路国家标准推荐流速： 吸油管路: 1.21.3 m/s 回油管路: 1.74.5 m/s 压力油管路: 25 bar 2.53 m/s 50bar 3.54 m/s 100bar 4.55 m/s 200bar 67.6 m/s油泵流量与推荐油管通径表(d2=21.22Q/V)流量L/min吸油管1.2-1.3m/s回油管1.7-2.5m/s25bar2.5-3m/s50bar3.5-4m/s100bar4.5-5m/s200bar6-7.6m/s59.49.07.96.56.56.05.55.24.84.64.64.2
2、4.23.71013.312.811.29.29.28.47.87.36.96.56.56.06.05.31516.315.613.711.311.310.39.58.98.48.08.07.37.36.52018.818.115.813.013.011.911.010.39.79.29.28.48.47.53023.022.119.416.016.014.613.512.611.911.311.310.310.39.24026.625.622.318.418.416.815.614.613.713.013.011.911.910.65029.728.625.020.620.618.817.4
3、16.315.414.614.613.313.311.86032.631.427.422.522.520.619.117.916.816.016.014.614.612.97035.233.930.024.424.422.320.619.318.217.217.215.715.714.08037.636.231.626.026.023.822.020.619.418.418.416.816.814.99039.938.433.527.627.625.323.421.920.619.519.517.817.815.910042.040.535.329.129.126.624.623.121.72
4、0.620.618.818.816.711044.142.537.030.530.527.925.824.222.821.621.619.719.717.512046.144.438.731.931.929.227.025.323.822.622.620.620.618.313047.946.240.333.233.230.428.126.324.823.523.521.421.419.014049.847.841.834.534.531.529.127.325.724.424.422.322.319.815051.549.543.335.735.732.630.228.226.625.225
5、.223.023.020.516053.251.144.736.936.933.631.129.127.526.026.023.823.821.117054.852.746.138.038.034.632.130.028.326.926.924.524.521.818056.454.247.439.039.035.733.030.929.127.627.625.225.222.419058.055.748.740.240.236.733.931.729.928.428.425.925.923.020059.557.150.041.241.237.634.832.630.729.129.126.
6、626.623.622062.460.052.443.243.239.436.534.232.230.630.627.927.924.824065.162.654.745.145.141.238.135.733.631.931.929.129.125.926067.865.157.047.047.042.939.737.135.033.233.230.330.326.928070.467.659.148.848.844.541.238.536.334.534.531.531.528.030072.870.061.250.550.546.142.639.937.635.735.732.632.628.935078.775.666.154.554.549.846.143.140.638.538.535.235.231.340084.180.870.758.358.353.249.246.143.441.241.237.637.633.445089.285.774.961.861.856.452.248.946.143.743.739.939.935.450094.090.379.065.165.159.555.151.548.646.146.142.042.037.4.精品文档.液压系统油管选择