螺纹联接的拧紧力矩计算.doc

螺纹联接的拧紧力矩计算.doc 螺纹联接的拧紧力矩计算 ,3 M,K×P×d×10N.m t0 K:拧紧力系数 d:螺纹公称直径 P:预紧力 0 P,σ×AA也可由下面表查出 00s s2A,π×d/4 d:螺纹部分危险剖面的计算直径 d,(d，d)/2 ssss23 小径 d1=d,2×5/8×H 中经d2=d,2×3/8×H 计算直径d= d,H/6 H:螺纹牙的公称工作高度 H=0.866025×p p为螺距 312σ ,(0.5,0.7)σ σ螺栓材料的屈服极限N/mm (与强度等级相关，材质决定) ――――0s s K值查表:(K值 计算公式 六西格玛计算公式下载结构力学静力计算公式下载重复性计算公式下载六西格玛计算公式下载年假计算公式 略) K值 摩擦表面状况 有润滑 无润滑 0.10 0.12 精加工表面 0.13~0.15 0.18~0.21 一般加工表面 0.20 0.24 表面氧化 0.18 0.22 镀 锌 0.26~0.3 干燥的粗加工表面 σs查表: 螺纹性能等级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 σs 或σ0.2N/mm2 180 240 320 300 400 480 640 720 900 1080 As查表: 螺纹公称直径d/mm 3 3.5 4 5 6 7 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 公称应力截面积As/mm2 5.03 6.78 8.78 14.2 20.1 28.9 36.6 58 84.3 115 157 192 245 303 353 459 561 694 817 表面被氧化(无润滑)的螺纹联接的拧紧力矩值(单位:N.m) 性能 等级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.33 0.46 0.43 0.61 0.58 0.81 0.54 0.76 0.72 1.01 0.87 1.22 1.16 1.62 1.30 1.83 1.63 2.28 1.96 2.74 3.5 0.51 0.72 0.68 0.96 0.91 1.28 0.85 1.20 1.14 1.59 1.37 1.91 1.82 2.55 2.05 2.87 2.56 3.59 3.08 4.31 4 0.76 1.06 1.01 1.42 1.35 1.89 1.26 1.77 1.69 2.36 2.02 2.83 2.70 3.78 3.03 4.25 3.79 5.31 4.55 6.37 5 1.53 2.15 2.04 2.86 2.73 3.82 2.56 3.58 3.41 4.77 4.09 5.73 5.45 7.63 6.13 8.59 7.67 10.74 9.20 12.88 6 2.60 3.65 3.47 4.86 4.63 6.48 4.34 6.08 5.79 8.10 6.95 9.73 9.26 12.97 10.42 14.59 13.02 18.23 15.63 21.88 7 4.37 6.12 5.83 8.16 7.77 10.88 7.28 10.20 9.71 13.59 11.65 16.31 15.54 21.75 17.48 24.47 21.85 30.59 26.22 36.71 8 6.32 8.85 8.43 11.81 11.24 15.74 10.54 14.76 14.05 19.68 16.87 23.61 22.49 31.48 25.30 35.42 31.62 44.27 37.95 53.13 10 12.53 17.54 16.70 23.39 22.27 31.18 20.88 29.23 27.84 38.98 33.41 46.77 44.54 62.36 50.11 70.16 62.64 87.70 75.17 105.24 12 21.85 30.59 29.13 40.79 38.85 54.38 36.42 50.98 48.56 67.98 58.27 81.58 77.69 108.77 87.40 122.36 109.25 152.95 131.10 183.54 14 34.78 48.69 46.37 64.92 61.82 86.55 57.96 81.14 77.28 108.19 92.74 129.83 123.65 173.11 139.10 194.75 173.88 243.43 208.66 292.12 16 54.26 75.96 72.35 101.28 96.46 135.05 90.43 126.60 120.58 168.81 144.69 202.57 192.92 270.09 217.04 303.85 271.30 379.81 325.56 455.78 18 74.65 104.51 99.53 139.35 132.71 185.79 124.42 174.18 165.89 232.24 199.07 278.69 265.42 371.59 298.60 418.04 373.25 522.55 447.90 627.06 20 105.84 148.18 141.12 197.57 188.16 263.42 176.40 246.96 235.20 329.28 282.24 395.14 376.32 526.85 423.36 592.70 529.20 740.88 635.04 889.06 22 143.99 201.58 191.98 268.77 255.97 358.36 239.98 335.97 319.97 447.96 383.96 537.55 511.95 716.73 575.94 806.32 719.93 1007.90 863.91 1209.48 24 183.00 256.19 243.99 341.59 325.32 455.45 304.99 426.99 406.66 569.32 487.99 683.18 650.65 910.91 731.98 1024.77 914.98 1280.97 1097.97 1537.16 27 267.69 374.76 356.92 499.69 475.89 666.25 446.15 624.61 594.86 832.81 713.84 999.37 951.78 1332.50 1070.76 1499.06 1338.44 1873.82 1606.13 2248.59 30 363.53 508.94 484.70 678.59 646.27 904.78 605.88 848.23 807.84 1130.98 969.41 1357.17 1292.54 1809.56 1454.11 2035.76 1817.64 2544.70 2181.17 3053.64 33 494.68 692.56 659.58 923.41 879.44 1231.21 824.47 1154.26 1099.30 1539.01 1319.16 1846.82 1758.87 2462.42 1978.73 2770.23 2473.42 3462.78 2968.10 4155.34 36 635.30 889.42 847.07 1185.89 1129.42 1581.19 1058.83 1482.36 1411.78 1976.49 1694.13 2371.78 2258.84 3162.38 2541.20 3557.68 3176.50 4447.09 3811.80 5336.51 表面被氧化(有润滑)的螺纹联接的拧紧力矩值(单位:N.m) 性能 等级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.27 0.38 0.36 0.51 0.48 0.68 0.45 0.63 0.60 0.85 0.72 1.01 0.97 1.35 1.09 1.52 1.36 1.90 1.63 2.28 3.5 0.43 0.60 0.57 0.80 0.76 1.06 0.71 1.00 0.95 1.33 1.14 1.59 1.52 2.13 1.71 2.39 2.14 2.99 2.56 3.59 4 0.63 0.89 0.84 1.18 1.12 1.57 1.05 1.48 1.40 1.97 1.69 2.36 2.25 3.15 2.53 3.54 3.16 4.43 3.79 5.31 5 1.28 1.79 1.70 2.39 2.27 3.18 2.13 2.98 2.84 3.98 3.41 4.77 4.54 6.36 5.11 7.16 6.39 8.95 7.67 10.74 6 2.17 3.04 2.89 4.05 3.86 5.40 3.62 5.07 4.82 6.75 5.79 8.10 7.72 10.81 8.68 12.16 10.85 15.20 13.02 18.23 7 3.64 5.10 4.86 6.80 6.47 9.06 6.07 8.50 8.09 11.33 9.71 13.59 12.95 18.13 14.57 20.39 18.21 25.49 21.85 30.59 8 5.27 7.38 7.03 9.84 9.37 13.12 8.78 12.30 11.71 16.40 14.05 19.68 18.74 26.23 21.08 29.51 26.35 36.89 31.62 44.27 10 10.44 14.62 13.92 19.49 18.56 25.98 17.40 24.36 23.20 32.48 27.84 38.98 37.12 51.97 41.76 58.46 52.20 73.08 62.64 87.70 12 18.21 25.49 24.28 33.99 32.37 45.32 30.35 42.49 40.46 56.65 48.56 67.98 64.74 90.64 72.84 101.97 91.04 127.46 109.25 152.95 14 28.98 40.57 38.64 54.10 51.52 72.13 48.30 67.62 64.40 90.16 77.28 108.19 103.04 144.26 115.92 162.29 144.90 202.86 173.88 243.43 16 45.22 63.30 60.29 84.40 80.38 112.54 75.36 105.50 100.48 140.67 120.58 168.81 160.77 225.08 180.86 253.21 226.08 316.51 271.30 379.81 18 62.21 87.09 82.94 116.12 110.59 154.83 103.68 145.15 138.24 193.54 165.89 232.24 221.18 309.66 248.83 348.36 311.04 435.46 373.25 522.55 20 88.20 123.48 117.60 164.64 156.80 219.52 147.00 205.80 196.00 274.40 235.20 329.28 313.60 439.04 352.80 493.92 441.00 617.40 529.20 740.88 22 119.99 167.98 159.98 223.98 213.31 298.64 199.98 279.97 266.64 373.30 319.97 447.96 426.62 597.27 479.95 671.93 599.94 839.92 719.93 1007.90 24 152.50 213.49 203.33 284.66 271.10 379.55 254.16 355.82 338.88 474.43 406.66 569.32 542.21 759.09 609.98 853.98 762.48 1067.47 914.98 1280.97 27 223.07 312.30 297.43 416.40 396.58 555.21 371.79 520.51 495.72 694.01 594.86 832.81 793.15 1110.41 892.30 1249.21 1115.37 1561.52 1338.44 1873.82 30 302.94 424.12 403.92 565.49 538.56 753.98 504.90 706.86 673.20 942.48 807.84 1130.98 1077.12 1507.97 1211.76 1696.46 1514.70 2120.58 1817.64 2544.70 33 412.24 577.13 549.65 769.51 732.86 1026.01 687.06 961.88 916.08 1282.51 1099.30 1539.01 1465.73 2052.02 1648.94 2308.52 2061.18 2885.65 2473.42 3462.78 36 529.42 741.18 705.89 988.24 941.18 1317.66 882.36 1235.30 1176.48 1647.07 1411.78 1976.49 1882.37 2635.32 2117.66 2964.73 2647.08 3705.91 3176.50 4447.09 镀锌(无润滑)的螺纹联接的拧紧力矩值(单位:N.m) 性能 等级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.30 0.42 0.40 0.56 0.53 0.74 0.50 0.70 0.66 0.93 0.80 1.12 1.06 1.49 1.20 1.67 1.49 2.09 1.79 2.51 3.5 0.47 0.66 0.63 0.88 0.84 1.17 0.78 1.10 1.04 1.46 1.25 1.75 1.67 2.34 1.88 2.63 2.35 3.29 2.82 3.95 4 0.70 0.97 0.93 1.30 1.24 1.73 1.16 1.62 1.55 2.16 1.85 2.60 2.47 3.46 2.78 3.89 3.48 4.87 4.17 5.84 5 1.41 1.97 1.87 2.62 2.50 3.50 2.34 3.28 3.12 4.37 3.75 5.25 5.00 7.00 5.62 7.87 7.03 9.84 8.43 11.81 6 2.39 3.34 3.18 4.46 4.25 5.94 3.98 5.57 5.31 7.43 6.37 8.91 8.49 11.89 9.55 13.37 11.94 16.72 14.33 20.06 7 4.01 5.61 5.34 7.48 7.12 9.97 6.68 9.35 8.90 12.46 10.68 14.95 14.24 19.94 16.02 22.43 20.03 28.04 24.03 33.65 8 5.80 8.12 7.73 10.82 10.31 14.43 9.66 13.53 12.88 18.04 15.46 21.64 20.61 28.86 23.19 32.47 28.99 40.58 34.78 48.70 10 11.48 16.08 15.31 21.44 20.42 28.58 19.14 26.80 25.52 35.73 30.62 42.87 40.83 57.16 45.94 64.31 57.42 80.39 68.90 96.47 12 20.03 28.04 26.71 37.39 35.61 49.85 33.38 46.74 44.51 62.31 53.41 74.78 71.22 99.70 80.12 112.17 100.15 140.21 120.18 168.25 14 31.88 44.63 42.50 59.51 56.67 79.34 53.13 74.38 70.84 99.18 85.01 119.01 113.34 158.68 127.51 178.52 159.39 223.15 191.27 267.78 16 49.74 69.63 66.32 92.84 88.42 123.79 82.90 116.05 110.53 154.74 132.63 185.69 176.84 247.58 198.95 278.53 248.69 348.16 298.43 417.80 18 68.43 95.80 91.24 127.73 121.65 170.31 114.05 159.67 152.06 212.89 182.48 255.47 243.30 340.62 273.72 383.20 342.14 479.00 410.57 574.80 20 97.02 135.83 129.36 181.10 172.48 241.47 161.70 226.38 215.60 301.84 258.72 362.21 344.96 482.94 388.08 543.31 485.10 679.14 582.12 814.97 22 131.99 184.78 175.98 246.38 234.64 328.50 219.98 307.97 293.30 410.63 351.96 492.75 469.29 657.00 527.95 739.13 659.93 923.91 791.92 1108.69 24 167.75 234.84 223.66 313.13 298.21 417.50 279.58 391.41 372.77 521.88 447.32 626.25 596.43 835.00 670.98 939.38 838.73 1174.22 1006.47 1409.06 27 245.38 343.53 327.18 458.05 436.23 610.73 408.97 572.56 545.29 763.41 654.35 916.09 872.47 1221.45 981.53 1374.14 1226.91 1717.67 1472.29 2061.20 30 333.23 466.53 444.31 622.04 592.42 829.38 555.39 777.55 740.52 1036.73 888.62 1244.07 1184.83 1658.76 1332.94 1866.11 1666.17 2332.64 1999.40 2799.17 33 453.46 634.84 604.61 846.46 806.15 1128.61 755.77 1058.07 1007.69 1410.76 1209.23 1692.92 1612.30 2257.22 1813.84 2539.37 2267.30 3174.22 2720.76 3809.06 36 582.36 815.30 776.48 1087.07 1035.30 1449.42 970.60 1358.83 1294.13 1811.78 1552.95 2174.14 2070.60 2898.85 2329.43 3261.20 2911.79 4076.50 3494.15 4891.80 镀锌(有润滑)的螺纹联接的拧紧力矩值(单位:N.m) 性能 等级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.24 0.34 0.33 0.46 0.43 0.61 0.41 0.57 0.54 0.76 0.65 0.91 0.87 1.22 0.98 1.37 1.22 1.71 1.47 2.05 3.5 0.38 0.54 0.51 0.72 0.68 0.96 0.64 0.90 0.85 1.20 1.03 1.44 1.37 1.91 1.54 2.15 1.92 2.69 2.31 3.23 4 0.57 0.80 0.76 1.06 1.01 1.42 0.95 1.33 1.26 1.77 1.52 2.12 2.02 2.83 2.28 3.19 2.84 3.98 3.41 4.78 5 1.15 1.61 1.53 2.15 2.04 2.86 1.92 2.68 2.56 3.58 3.07 4.29 4.09 5.73 4.60 6.44 5.75 8.05 6.90 9.66 6 1.95 2.74 2.60 3.65 3.47 4.86 3.26 4.56 4.34 6.08 5.21 7.29 6.95 9.73 7.81 10.94 9.77 13.68 11.72 16.41 7 3.28 4.59 4.37 6.12 5.83 8.16 5.46 7.65 7.28 10.20 8.74 12.24 11.65 16.31 13.11 18.35 16.39 22.94 19.66 27.53 8 4.74 6.64 6.32 8.85 8.43 11.81 7.91 11.07 10.54 14.76 12.65 17.71 16.87 23.61 18.97 26.56 23.72 33.20 28.46 39.84 10 9.40 13.15 12.53 17.54 16.70 23.39 15.66 21.92 20.88 29.23 25.06 35.08 33.41 46.77 37.58 52.62 46.98 65.77 56.38 78.93 12 16.39 22.94 21.85 30.59 29.13 40.79 27.31 38.24 36.42 50.98 43.70 61.18 58.27 81.58 65.55 91.77 81.94 114.72 98.33 137.66 14 26.08 36.51 34.78 48.69 46.37 64.92 43.47 60.86 57.96 81.14 69.55 97.37 92.74 129.83 104.33 146.06 130.41 182.57 156.49 219.09 16 40.69 56.97 54.26 75.96 72.35 101.28 67.82 94.95 90.43 126.60 108.52 151.93 144.69 202.57 162.78 227.89 203.47 284.86 244.17 341.83 18 55.99 78.38 74.65 104.51 99.53 139.35 93.31 130.64 124.42 174.18 149.30 209.02 199.07 278.69 223.95 313.53 279.94 391.91 335.92 470.29 20 79.38 111.13 105.84 148.18 141.12 197.57 132.30 185.22 176.40 246.96 211.68 296.35 282.24 395.14 317.52 444.53 396.90 555.66 476.28 666.79 22 107.99 151.18 143.99 201.58 191.98 268.77 179.98 251.97 239.98 335.97 287.97 403.16 383.96 537.55 431.96 604.74 539.95 755.92 647.94 907.11 24 137.25 192.14 183.00 256.19 243.99 341.59 228.74 320.24 304.99 426.99 365.99 512.39 487.99 683.18 548.99 768.58 686.23 960.72 823.48 1152.87 27 200.77 281.07 267.69 374.76 356.92 499.69 334.61 468.46 446.15 624.61 535.38 749.53 713.84 999.37 803.07 1124.29 1003.83 1405.37 1204.60 1686.44 30 272.65 381.70 363.53 508.94 484.70 678.59 454.41 636.17 605.88 848.23 727.06 1017.88 969.41 1357.17 1090.58 1526.82 1363.23 1908.52 1635.88 2290.23 33 371.01 519.42 494.68 692.56 659.58 923.41 618.35 865.70 824.47 1154.26 989.37 1385.11 1319.16 1846.82 1484.05 2077.67 1855.06 2597.09 2226.07 3116.50 36 476.47 667.06 635.30 889.42 847.07 1185.89 794.12 1111.77 1058.83 1482.36 1270.60 1778.84 1694.13 2371.78 1905.90 2668.26 2382.37 3335.32 2858.85 4002.38 干燥的粗加工表面的螺纹联接的拧紧力矩值(单位:N.m) 性能 等级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.35 0.57 0.47 0.76 0.63 1.01 0.59 0.95 0.78 1.27 0.94 1.52 1.26 2.03 1.41 2.28 1.77 2.85 2.12 3.42 3.5 0.56 0.90 0.74 1.20 0.99 1.59 0.93 1.49 1.23 1.99 1.48 2.39 1.97 3.19 2.22 3.59 2.78 4.48 3.33 5.38 4 0.82 1.33 1.10 1.77 1.46 2.36 1.37 2.21 1.83 2.95 2.19 3.54 2.92 4.72 3.29 5.31 4.11 6.64 4.93 7.97 5 1.66 2.68 2.22 3.58 2.95 4.77 2.77 4.47 3.69 5.96 4.43 7.16 5.91 9.54 6.65 10.74 8.31 13.42 9.97 16.10 6 2.82 4.56 3.76 6.08 5.02 8.10 4.70 7.60 6.27 10.13 7.53 12.16 10.03 16.21 11.29 18.23 14.11 22.79 16.93 27.35 7 4.73 7.65 6.31 10.20 8.42 13.59 7.89 12.74 10.52 16.99 12.62 20.39 16.83 27.19 18.94 30.59 23.67 38.23 28.40 45.88 8 6.85 11.07 9.14 14.76 12.18 19.68 11.42 18.45 15.23 24.60 18.27 29.51 24.36 39.35 27.41 44.27 34.26 55.34 41.11 66.41 10 13.57 21.92 18.10 29.23 24.13 38.98 22.62 36.54 30.16 48.72 36.19 58.46 48.26 77.95 54.29 87.70 67.86 109.62 81.43 131.54 12 23.67 38.24 31.56 50.98 42.08 67.98 39.45 63.73 52.60 84.97 63.12 101.97 84.17 135.96 94.69 152.95 118.36 191.19 142.03 229.43 14 37.67 60.86 50.23 81.14 66.98 108.19 62.79 101.43 83.72 135.24 100.46 162.29 133.95 216.38 150.70 243.43 188.37 304.29 226.04 365.15 16 58.78 94.95 78.37 126.60 104.50 168.81 97.97 158.26 130.62 211.01 156.75 253.21 209.00 337.61 235.12 379.81 293.90 474.77 352.68 569.72 18 80.87 130.64 107.83 174.18 143.77 232.24 134.78 217.73 179.71 290.30 215.65 348.36 287.54 464.49 323.48 522.55 404.35 653.18 485.22 783.82 20 114.66 185.22 152.88 246.96 203.84 329.28 191.10 308.70 254.80 411.60 305.76 493.92 407.68 658.56 458.64 740.88 573.30 926.10 687.96 1111.32 22 155.98 251.97 207.98 335.97 277.31 447.96 259.97 419.96 346.63 559.94 415.96 671.93 554.61 895.91 623.94 1007.90 779.92 1259.87 935.91 1511.85 24 198.24 320.24 264.33 426.99 352.44 569.32 330.41 533.74 440.54 711.65 528.65 853.98 704.87 1138.64 792.98 1280.97 991.22 1601.21 1189.47 1921.45 27 290.00 468.46 386.66 624.61 515.55 832.81 483.33 780.76 644.44 1041.01 773.32 1249.21 1031.10 1665.62 1159.98 1873.82 1449.98 2342.28 1739.98 2810.73 30 393.82 636.17 525.10 848.23 700.13 1130.98 656.37 1060.29 875.16 1413.72 1050.19 1696.46 1400.26 2261.95 1575.29 2544.70 1969.11 3180.87 2362.93 3817.04 33 535.91 865.70 714.54 1154.26 952.72 1539.01 893.18 1442.83 1190.90 1923.77 1429.08 2308.52 1905.45 3078.03 2143.63 3462.78 2679.53 4328.48 3215.44 5194.17 36 688.24 1111.77 917.65 1482.36 1223.54 1976.49 1147.07 1852.96 1529.42 2470.61 1835.31 2964.73 2447.08 3952.97 2752.96 4447.09 3441.20 5558.87 4129.44 6670.64 精加工表面(无润滑)的螺纹联接的拧紧力矩值(单位:N.m) 性能 等级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.16 0.23 0.22 0.30 0.29 0.41 0.27 0.38 0.36 0.51 0.43 0.61 0.58 0.81 0.65 0.91 0.81 1.14 0.98 1.37 3.5 0.26 0.36 0.34 0.48 0.46 0.64 0.43 0.60 0.57 0.80 0.68 0.96 0.91 1.28 1.03 1.44 1.28 1.79 1.54 2.15 4 0.38 0.53 0.51 0.71 0.67 0.94 0.63 0.89 0.84 1.18 1.01 1.42 1.35 1.89 1.52 2.12 1.90 2.66 2.28 3.19 5 0.77 1.07 1.02 1.43 1.36 1.91 1.28 1.79 1.70 2.39 2.04 2.86 2.73 3.82 3.07 4.29 3.83 5.37 4.60 6.44 6 1.30 1.82 1.74 2.43 2.32 3.24 2.17 3.04 2.89 4.05 3.47 4.86 4.63 6.48 5.21 7.29 6.51 9.12 7.81 10.94 7 2.18 3.06 2.91 4.08 3.88 5.44 3.64 5.10 4.86 6.80 5.83 8.16 7.77 10.88 8.74 12.24 10.92 15.29 13.11 18.35 8 3.16 4.43 4.22 5.90 5.62 7.87 5.27 7.38 7.03 9.84 8.43 11.81 11.24 15.74 12.65 17.71 15.81 22.14 18.97 26.56 10 6.26 8.77 8.35 11.69 11.14 15.59 10.44 14.62 13.92 19.49 16.70 23.39 22.27 31.18 25.06 35.08 31.32 43.85 37.58 52.62 12 10.93 15.30 14.57 20.39 19.42 27.19 18.21 25.49 24.28 33.99 29.13 40.79 38.85 54.38 43.70 61.18 54.63 76.48 65.55 91.77 14 17.39 24.34 23.18 32.46 30.91 43.28 28.98 40.57 38.64 54.10 46.37 64.92 61.82 86.55 69.55 97.37 86.94 121.72 104.33 146.06 16 27.13 37.98 36.17 50.64 48.23 67.52 45.22 63.30 60.29 84.40 72.35 101.28 96.46 135.05 108.52 151.93 135.65 189.91 162.78 227.89 18 37.32 52.25 49.77 69.67 66.36 92.90 62.21 87.09 82.94 116.12 99.53 139.35 132.71 185.79 149.30 209.02 186.62 261.27 223.95 313.53 20 52.92 74.09 70.56 98.78 94.08 131.71 88.20 123.48 117.60 164.64 141.12 197.57 188.16 263.42 211.68 296.35 264.60 370.44 317.52 444.53 22 71.99 100.79 95.99 134.39 127.99 179.18 119.99 167.98 159.98 223.98 191.98 268.77 255.97 358.36 287.97 403.16 359.96 503.95 431.96 604.74 24 91.50 128.10 122.00 170.80 162.66 227.73 152.50 213.49 203.33 284.66 243.99 341.59 325.32 455.45 365.99 512.39 457.49 640.48 548.99 768.58 27 133.84 187.38 178.46 249.84 237.95 333.12 223.07 312.30 297.43 416.40 356.92 499.69 475.89 666.25 535.38 749.53 669.22 936.91 803.07 1124.29 30 181.76 254.47 242.35 339.29 323.14 452.39 302.94 424.12 403.92 565.49 484.70 678.59 646.27 904.78 727.06 1017.88 908.82 1272.35 1090.58 1526.82 33 247.34 346.28 329.79 461.70 439.72 615.61 412.24 577.13 549.65 769.51 659.58 923.41 879.44 1231.21 989.37 1385.11 1236.71 1731.39 1484.05 2077.67 36 317.65 444.71 423.53 592.95 564.71 790.59 529.42 741.18 705.89 988.24 847.07 1185.89 1129.42 1581.19 1270.60 1778.84 1588.25 2223.55 1905.90 2668.26 精加工表面(有润滑)的螺纹联接的拧紧力矩值(单位:N.m) 性能 等级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.14 0.19 0.18 0.25 0.24 0.34 0.23 0.32 0.30 0.42 0.36 0.51 0.48 0.68 0.54 0.76 0.68 0.95 0.81 1.14 3.5 0.21 0.30 0.28 0.40 0.38 0.53 0.36 0.50 0.47 0.66 0.57 0.80 0.76 1.06 0.85 1.20 1.07 1.49 1.28 1.79 4 0.32 0.44 0.42 0.59 0.56 0.79 0.53 0.74 0.70 0.98 0.84 1.18 1.12 1.57 1.26 1.77 1.58 2.21 1.90 2.66 5 0.64 0.89 0.85 1.19 1.14 1.59 1.07 1.49 1.42 1.99 1.70 2.39 2.27 3.18 2.56 3.58 3.20 4.47 3.83 5.37 6 1.09 1.52 1.45 2.03 1.93 2.70 1.81 2.53 2.41 3.38 2.89 4.05 3.86 5.40 4.34 6.08 5.43 7.60 6.51 9.12 7 1.82 2.55 2.43 3.40 3.24 4.53 3.03 4.25 4.05 5.66 4.86 6.80 6.47 9.06 7.28 10.20 9.10 12.74 10.92 15.29 8 2.64 3.69 3.51 4.92 4.68 6.56 4.39 6.15 5.86 8.20 7.03 9.84 9.37 13.12 10.54 14.76 13.18 18.45 15.81 22.14 10 5.22 7.31 6.96 9.74 9.28 12.99 8.70 12.18 11.60 16.24 13.92 19.49 18.56 25.98 20.88 29.23 26.10 36.54 31.32 43.85 12 9.10 12.75 12.14 16.99 16.19 22.66 15.17 21.24 20.23 28.32 24.28 33.99 32.37 45.32 36.42 50.98 45.52 63.73 54.63 76.48 14 14.49 20.29 19.32 27.05 25.76 36.06 24.15 33.81 32.20 45.08 38.64 54.10 51.52 72.13 57.96 81.14 72.45 101.43 86.94 121.72 16 22.61 31.65 30.14 42.20 40.19 56.27 37.68 52.75 50.24 70.34 60.29 84.40 80.38 112.54 90.43 126.60 113.04 158.26 135.65 189.91 18 31.10 43.55 41.47 58.06 55.30 77.41 51.84 72.58 69.12 96.77 82.94 116.12 110.59 154.83 124.42 174.18 155.52 217.73 186.62 261.27 20 44.10 61.74 58.80 82.32 78.40 109.76 73.50 102.90 98.00 137.20 117.60 164.64 156.80 219.52 176.40 246.96 220.50 308.70 264.60 370.44 22 59.99 83.99 79.99 111.99 106.66 149.32 99.99 139.99 133.32 186.65 159.98 223.98 213.31 298.64 239.98 335.97 299.97 419.96 359.96 503.95 24 76.25 106.75 101.66 142.33 135.55 189.77 127.08 177.91 169.44 237.22 203.33 284.66 271.10 379.55 304.99 426.99 381.24 533.74 457.49 640.48 27 111.54 156.15 148.72 208.20 198.29 277.60 185.90 260.25 247.86 347.00 297.43 416.40 396.58 555.21 446.15 624.61 557.69 780.76 669.22 936.91 30 151.47 212.06 201.96 282.74 269.28 376.99 252.45 353.43 336.60 471.24 403.92 565.49 538.56 753.98 605.88 848.23 757.35 1060.29 908.82 1272.35 33 206.12 288.57 274.82 384.75 366.43 513.00 343.53 480.94 458.04 641.26 549.65 769.51 732.86 1026.01 824.47 1154.26 1030.59 1442.83 1236.71 1731.39 36 264.71 370.59 352.94 494.12 470.59 658.83 441.18 617.65 588.24 823.54 705.89 988.24 941.18 1317.66 1058.83 1482.36 1323.54 1852.96 1588.25 2223.55 一般表面(无润滑)的螺纹联接的拧紧力矩值(单位:N.m) 性能 等 级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.24 0.40 0.33 0.53 0.43 0.71 0.41 0.67 0.54 0.89 0.65 1.06 0.87 1.42 0.98 1.60 1.22 2.00 1.47 2.40 3.5 0.38 0.63 0.51 0.84 0.68 1.12 0.64 1.05 0.85 1.40 1.03 1.67 1.37 2.23 1.54 2.51 1.92 3.14 2.31 3.77 4 0.57 0.93 0.76 1.24 1.01 1.65 0.95 1.55 1.26 2.07 1.52 2.48 2.02 3.30 2.28 3.72 2.84 4.65 3.41 5.58 5 1.15 1.88 1.53 2.50 2.04 3.34 1.92 3.13 2.56 4.17 3.07 5.01 4.09 6.68 4.60 7.51 5.75 9.39 6.90 11.27 6 1.95 3.19 2.60 4.25 3.47 5.67 3.26 5.32 4.34 7.09 5.21 8.51 6.95 11.35 7.81 12.76 9.77 15.96 11.72 19.15 7 3.28 5.35 4.37 7.14 5.83 9.52 5.46 8.92 7.28 11.90 8.74 14.27 11.65 19.03 13.11 21.41 16.39 26.76 19.66 32.12 8 4.74 7.75 6.32 10.33 8.43 13.77 7.91 12.91 10.54 17.22 12.65 20.66 16.87 27.55 18.97 30.99 23.72 38.74 28.46 46.48 10 9.40 15.35 12.53 20.46 16.70 27.28 15.66 25.58 20.88 34.10 25.06 40.92 33.41 54.57 37.58 61.39 46.98 76.73 56.38 92.08 12 16.39 26.77 21.85 35.69 29.13 47.59 27.31 44.61 36.42 59.48 43.70 71.38 58.27 95.17 65.55 107.07 81.94 133.83 98.33 160.60 14 26.08 42.60 34.78 56.80 46.37 75.73 43.47 71.00 57.96 94.67 69.55 113.60 92.74 151.47 104.33 170.40 130.41 213.00 156.49 255.60 16 40.69 66.47 54.26 88.62 72.35 118.16 67.82 110.78 90.43 147.71 108.52 177.25 144.69 236.33 162.78 265.87 203.47 332.34 244.17 398.81 18 55.99 91.45 74.65 121.93 99.53 162.57 93.31 152.41 124.42 203.21 149.30 243.86 199.07 325.14 223.95 365.78 279.94 457.23 335.92 548.67 20 79.38 129.65 105.84 172.87 141.12 230.50 132.30 216.09 176.40 288.12 211.68 345.74 282.24 460.99 317.52 518.62 396.90 648.27 476.28 777.92 22 107.99 176.38 143.99 235.18 191.98 313.57 179.98 293.97 239.98 391.96 287.97 470.35 383.96 627.14 431.96 705.53 539.95 881.91 647.94 1058.29 24 137.25 224.17 183.00 298.89 243.99 398.52 228.74 373.62 304.99 498.15 365.99 597.78 487.99 797.05 548.99 896.68 686.23 1120.85 823.48 1345.01 27 200.77 327.92 267.69 437.23 356.92 582.97 334.61 546.53 446.15 728.71 535.38 874.45 713.84 1165.93 803.07 1311.68 1003.83 1639.59 1204.60 1967.51 30 272.65 445.32 363.53 593.76 484.70 791.68 454.41 742.20 605.88 989.60 727.06 1187.52 969.41 1583.37 1090.58 1781.29 1363.23 2226.61 1635.88 2671.93 33 371.01 605.99 494.68 807.98 659.58 1077.31 618.35 1009.98 824.47 1346.64 989.37 1615.97 1319.16 2154.62 1484.05 2423.95 1855.06 3029.93 2226.07 3635.92 36 476.47 778.24 635.30 1037.66 847.07 1383.54 794.12 1297.07 1058.83 1729.43 1270.60 2075.31 1694.13 2767.08 1905.90 3112.97 2382.37 3891.21 2858.85 4669.45 一般表面(有润滑) 的螺纹联接的拧紧力矩值(单位:N.m) 性 能 等 级 3.6 4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9 螺 纹 直径 d/mm min max min max min max min max min max min max min max min max min max min max 3 0.18 0.29 0.24 0.38 0.31 0.51 0.29 0.48 0.39 0.63 0.47 0.76 0.63 1.01 0.71 1.14 0.88 1.43 1.06 1.71 3.5 0.28 0.45 0.37 0.60 0.49 0.80 0.46 0.75 0.62 1.00 0.74 1.20 0.99 1.59 1.11 1.79 1.39 2.24 1.67 2.69 4 0.41 0.66 0.55 0.89 0.73 1.18 0.68 1.11 0.91 1.48 1.10 1.77 1.46 2.36 1.64 2.66 2.05 3.32 2.47 3.98 5 0.83 1.34 1.11 1.79 1.48 2.39 1.38 2.24 1.85 2.98 2.22 3.58 2.95 4.77 3.32 5.37 4.15 6.71 4.98 8.05 6 1.41 2.28 1.88 3.04 2.51 4.05 2.35 3.80 3.14 5.07 3.76 6.08 5.02 8.10 5.64 9.12 7.06 11.40 8.47 13.68 7 2.37 3.82 3.16 5.10 4.21 6.80 3.94 6.37 5.26 8.50 6.31 10.20 8.42 13.59 9.47 15.29 11.83 19.12 14.20 22.94 8 3.43 5.53 4.57 7.38 6.09 9.84 5.71 9.22 7.61 12.30 9.14 14.76 12.18 19.68 13.70 22.14 17.13 27.67 20.55 33.20 10 6.79 10.96 9.05 14.62 12.06 19.49 11.31 18.27 15.08 24.36 18.10 29.23 24.13 38.98 27.14 43.85 33.93 54.81 40.72 65.77 12 11.84 19.12 15.78 25.49 21.04 33.99 19.73 31.87 26.30 42.49 31.56 50.98 42.08 67.98 47.34 76.48 59.18 95.60 71.01 114.72 14 18.84 30.43 25.12 40.57 33.49 54.10 31.40 50.72 41.86 67.62 50.23 81.14 66.98 108.19 75.35 121.72 94.19 152.15 113.02 182.57 16 29.39 47.48 39.19 63.30 52.25 84.40 48.98 79.13 65.31 105.50 78.37 126.60 104.50 168.81 117.56 189.91 146.95 237.38 176.34 284.86 18 40.44 65.32 53.91 87.09 71.88 116.12 67.39 108.86 89.86 145.15 107.83 174.18 143.77 232.24 161.74 261.27 202.18 326.59 242.61 391.91 20 57.33 92.61 76.44 123.48 101.92 164.64 95.55 154.35 127.40 205.80 152.88 246.96 203.84 329.28 229.32 370.44 286.65 463.05 343.98 555.66 22 77.99 125.99 103.99 167.98 138.65 223.98 129.99 209.98 173.32 279.97 207.98 335.97 277.31 447.96 311.97 503.95 389.96 629.94 467.95 755.92 24 99.12 160.12 132.16 213.49 176.22 284.66 165.20 266.87 220.27 355.82 264.33 426.99 352.44 569.32 396.49 640.48 495.61 800.60 594.73 960.72 27 145.00 234.23 193.33 312.30 257.77 416.40 241.66 390.38 322.22 520.51 386.66 624.61 515.55 832.81 579.99 936.91 724.99 1171.14 869.99 1405.37 30 196.91 318.09 262.55 424.12 350.06 565.49 328.19 530.15 437.58 706.86 525.10 848.23 700.13 1130.98 787.64 1272.35 984.56 1590.44 1181.47 1908.52 33 267.95 432.85 357.27 577.13 476.36 769.51 446.59 721.41 595.45 961.88 714.54 1154.26 952.72 1539.01 1071.81 1731.39 1339.77 2164.24 1607.72 2597.09 36 344.12 555.89 458.83 741.18 611.77 988.24 573.53 926.48 764.71 1235.30 917.65 1482.36 1223.54 1976.49 1376.48 2223.55 1720.60 2779.43 2064.72 3335.32