螺栓拧紧力矩及伸长值计算

预紧轴力及拧紧力矩计算拧矩系数K 0.16 螺栓规格d (mm) 6 8 10 12 14 16 18 20 24 27 30 33 36 39 42 48 52 56 60 64 68 72 76 80 σs(MPa) 许用系数 900 螺距 P(mm) 1 1.25 1.5 1.75 2 2 2.5 2.5 3 3 3.5 3.5 4 4 4.5 5 5 5.5 5.5 6 6 6 6 6 0.7 应力面积 螺纹小径 螺纹中径 螺纹高度 计算直径 As(mm2) d1(mm) d2(mm) H(mm) d3(mm) 20.123 36.609 57.990 84.267 115.439 156.668 192.473 244.794 352.504 459.406 560.587 693.553 816.723 975.753 1120.910 1473.149 1757.834 2030.018 2362.021 2675.973 3055.294 3459.748 3889.334 4344.054 4.917 6.647 8.376 10.106 11.835 13.835 15.294 17.294 20.752 23.752 26.211 29.211 31.670 34.670 37.129 42.587 46.587 50.046 54.046 57.505 61.505 65.505 69.505 73.505 5.350 7.188 9.026 10.863 12.701 14.701 16.376 18.376 22.051 25.051 27.727 30.727 33.402 36.402 39.077 44.752 48.752 52.428 56.428 60.103 64.103 68.103 72.103 76.103 0.866 1.083 1.299 1.516 1.732 1.732 2.165 2.165 2.598 2.598 3.031 3.031 3.464 3.464 3.897 4.330 4.330 4.763 4.763 5.196 5.196 5.196 5.196 5.196 4.773 6.466 8.160 9.853 11.546 13.546 14.933 16.933 20.319 23.319 25.706 28.706 31.093 34.093 36.479 41.866 45.866 49.252 53.252 56.639 60.639 64.639 68.639 72.639 预紧力 预紧力矩T (KN) (N.m) 12.68 23.06 36.53 53.09 72.73 98.70 121.26 154.22 222.08 289.43 353.17 436.94 514.54 614.72 706.17 928.08 1107.44 1278.91 1488.07 1685.86 1924.84 2179.64 2450.28 2736.75 12.17 29.52 58.45 101.93 162.91 252.67 349.22 493.51 852.78 1250.32 1695.22 2307.04 2963.72 3835.88 4745.48 7127.69 9213.86 11459.04 14285.50 17263.24 20942.21 25109.47 29795.41 35030.45

δwasher δS

Input_parameters of bolts jointsBolts 螺栓伸长值ΔL Ebolt Normal Size Pitch l1 Target-Pre-load Eflange [mm] [Mpa] [mm] [mm] [mm] [kN] Flange [Mpa] [mm] Washer Ewasher [Mpa] [mm] [mm] [mm] [mm ] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm ] [mm ] [mm ] [mm/N] [mm/N] [mm/N] [mm/N] [mm/N] [mm/N] [mm/N]2 2 2 2

0.825 210000 48 5 234 920 212000 120 212000 49.4 92 8 4731.0 42.6 44.8 41.9 24 22 24 19.2 1473.1 1809.6 1376.6 6.31567E-08 6.15778E-07 7.61023E-08 8.30207E-08 5.05254E-08 7.97637E-09 8.9656E-07

需手工填写

t flange

d washer D washer t washerAwasher d1 d2 d3 lsk lGew lG lM

A s, nom:AN Ad3 δSK δ1 δGew δG δM δwasher δS

过程计算结果