螺栓拧紧力矩及伸长值计算

1、预紧轴力及拧紧力矩计算拧矩系数Kd s( MPa许用系数0.169000.7螺栓规格d(mm)螺距P(mn)应力面积As(mm2)螺纹小径d1(mm)螺纹中径d2(mm)螺纹高度H(mm)计算直径d3(mm)预紧力(KN预紧力矩T(N.m)6120.1234.9175.3500.8664.77312.6812.1781.2536.6096.6477.1881.0836.46623.0629.52101.557.9908.3769.0261.2998.16036.5358.45121.7584.26710.10610.8631.5169.85353.09101.93142115.43911.83

2、512.7011.73211.54672.73162.91P 162156.66813.83514.7011.73213.54698.70252.67182.5192.47315.29416.3762.16514.933121.26349.22202.5244.79417.29418.3762.16516.933154.22493.51243352.50420.75222.0512.59820.319222.08852.78273459.40623.75225.0512.59823.319289.431250.32303.5560.58726.21127.7273.03125.706353.1

3、71695.22333.5693.55329.21130.7273.03128.706436.942307.04364816.72331.67033.4023.46431.093514.542963.72394975.75334.67036.4023.46434.093614.723835.88424.51120.91037.12939.0773.89736.479706.174745.484851473.14942.58744.7524.33041.866928.087127.695251757.83446.58748.7524.33045.8661107.449213.86565.5203

4、0.01850.04652.4284.76349.2521278.9111459.04 605.52362.02154.04656.4284.76353.2521488.0714285.506462675.97357.50560.1035.19656.6391685.8617263.246863055.29461.50564.1035.19660.6391924.8420942.217263459.74865.50568.1035.19664.6392179.6425109.477663889.33469.50572.1035.19668.6392450.2829795.418064344.0

5、5473.50576.1035.19672.6392736.7535030.45washerSIn put_parameters of bolts jointsBolts螺栓伸长值ALmm0.825EboltMpa210000Normal Sizemm48Pitchmm5limm234Target-Pre-loadkN920Fla ngeEflangeMpa212000t flangemm120WasherEwasherMpa212000d washermm49.4D washermm92t washermm8Awashermm 24731.0d1mm42.6d2mm44.8d3mm41.9lskmm24iGewmm22Igmm24Immm19.2A s, nom:2mm 1473.1An2mm 1809.6Ad3mm 21376.6§SKmm/N6.31567E-08mm/N6.15778E-07§Gewmm/N7.61023E-08