Умови таблиць
Перед використанням значень
- Сумарний коефіцієнт тертя μ = 0,14
- Використання 90% мінімальної границі текучості
- Враховано крутний момент, що створює напруження кручення
Таблиця 1
Нормальна метрична різьба
| Розмір | Крок P | As, мм² | Fv 4.6 | Fv 5.6 | Fv 8.8 | Fv 10.9 | Fv 12.9 | Ma 4.6 | Ma 5.6 | Ma 8.8 | Ma 10.9 | Ma 12.9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M4 | 0,7 | 8,78 | 1,28 | 1,71 | 4,30 | 6,30 | 7,40 | 1,02 | 1,37 | 3,3 | 4,8 | 5,6 |
| M5 | 0,8 | 14,2 | 2,10 | 2,79 | 7,00 | 10,3 | 12,0 | 2,0 | 2,7 | 6,5 | 9,5 | 11,2 |
| M6 | 1,0 | 20,1 | 2,96 | 3,94 | 9,90 | 14,5 | 17,0 | 3,5 | 4,6 | 11,3 | 16,5 | 19,3 |
| M8 | 1,25 | 36,6 | 5,42 | 7,23 | 18,1 | 26,6 | 31,1 | 8,4 | 11,0 | 27,3 | 40,1 | 46,9 |
| M10 | 1,5 | 58,0 | 8,64 | 11,5 | 28,8 | 42,2 | 49,4 | 17,0 | 22,0 | 54,0 | 79,0 | 93,0 |
| M12 | 1,75 | 84,3 | 12,6 | 16,8 | 41,9 | 61,5 | 72,0 | 29,0 | 39,0 | 93,0 | 137,0 | 160,0 |
| M14 | 2,0 | 115,0 | 17,3 | 23,1 | 57,5 | 84,4 | 98,8 | 46,0 | 62,0 | 148,0 | 218,0 | 255,0 |
| M16 | 2,0 | 157,0 | 23,8 | 31,7 | 78,8 | 115,7 | 135,4 | 71,0 | 95,0 | 230,0 | 338,0 | 395,0 |
| M18 | 2,5 | 193,0 | 28,9 | 38,6 | 99,0 | 141,0 | 165,0 | 97,0 | 130,0 | 329,0 | 469,0 | 549,0 |
| M20 | 2,5 | 245,0 | 37,2 | 49,6 | 127,0 | 181,0 | 212,0 | 138,0 | 184,0 | 464,0 | 661,0 | 773,0 |
| M22 | 2,5 | 303,0 | 46,5 | 62,0 | 158,0 | 225,0 | 264,0 | 186,0 | 250,0 | 634,0 | 904,0 | 1057,0 |
| M24 | 3,0 | 353,0 | 53,6 | 71,4 | 183,0 | 260,0 | 305,0 | 235,0 | 315,0 | 798,0 | 1136,0 | 1329,0 |
| M27 | 3,0 | 459,0 | 70,6 | 94,1 | 240,0 | 342,0 | 400,0 | 350,0 | 470,0 | 1176,0 | 1674,0 | 1959,0 |
| M30 | 3,5 | 561,0 | 85,7 | 114,0 | 292,0 | 416,0 | 487,0 | 475,0 | 635,0 | 1597,0 | 2274,0 | 2662,0 |
| M33 | 3,5 | 694,0 | 107,0 | 142,0 | 363,0 | 517,0 | 605,0 | 645,0 | 865,0 | 2161,0 | 3078,0 | 3601,0 |
| M36 | 4,0 | 817,0 | 125,0 | 167,0 | 427,0 | 608,0 | 711,0 | 1080,0 | 1440,0 | 2778,0 | 3957,0 | 4631,0 |
| M39 | 4,0 | 976,0 | 151,0 | 201,0 | 512,0 | 729,0 | 853,0 | 1330,0 | 1780,0 | 3597,0 | 5123,0 | 5994,0 |
| M42 | 4,5 | 1117,0 | 212,0 | 265,0 | 584,0 | 832,0 | 974,0 | 1605,0 | 2006,0 | 4413,0 | 6285,0 | 7354,0 |
| M45 | 4,5 | 1302,0 | 249,0 | 311,0 | 684,0 | 974,0 | 1140,0 | 2005,0 | 2506,0 | 5512,0 | 7851,0 | 9187,0 |
| M48 | 5,0 | 1468,0 | 280,0 | 350,0 | 770,0 | 1096,0 | 1283,0 | 2424,0 | 3030,0 | 6667,0 | 9495,0 | 11112,0 |
| M52 | 5,0 | 1753,0 | 335,0 | 419,0 | 922,0 | 1314,0 | 1537,0 | 3116,0 | 3896,0 | 8570,0 | 12206,0 | 14284,0 |
| M56 | 5,5 | 2024,0 | 387,0 | 484,0 | 1064,0 | 1516,0 | 1774,0 | 3883,0 | 4854,0 | 10678,0 | 15208,0 | 17797,0 |
| M60 | 5,5 | 2356,0 | 452,0 | 565,0 | 1242,0 | 1770,0 | 2071,0 | 4818,0 | 6022,0 | 13249,0 | 18870,0 | 22082,0 |
| M64 | 6,0 | 2669,0 | 511,0 | 639,0 | 1406,0 | 2003,0 | 2344,0 | 5802,0 | 7252,0 | 15955,0 | 22724,0 | 26592,0 |
| M68 | 6,0 | 3047,0 | 585,0 | 732,0 | 1610,0 | 2293,0 | 2683,0 | 7012,0 | 8765,0 | 19282,0 | 27462,0 | 32137,0 |
| M72 | 6,0 | 3451,0 | 665,0 | 831,0 | 1828,0 | 2603,0 | 3046,0 | 8379,0 | 10474,0 | 23043,0 | 32819,0 | 38405,0 |
| M76 | 6,0 | 3881,0 | 749,0 | 936,0 | 2059,0 | 2933,0 | 3432,0 | 9903,0 | 12378,0 | 27232,0 | 38785,0 | 45387,0 |
| M80 | 6,0 | 4335,0 | 838,0 | 1047,0 | 2304,0 | 3282,0 | 3840,0 | 11610,0 | 14514,0 | 31930,0 | 45476,0 | 53216,0 |
| M90 | 6,0 | 5580,0 | 1083,0 | 1353,0 | 2977,0 | 4240,0 | 4962,0 | 16796,0 | 20995,0 | 46188,0 | 65783,0 | 76980,0 |
| M100 | 6,0 | 6983,0 | 1359,0 | 1698,0 | 3736,0 | 5322,0 | 6227,0 | 23381,0 | 29226,0 | 64297,0 | 91574,0 | 107161,0 |
Таблиця 2
Дрібна метрична різьба
| Розмір | Крок P | As, мм² | Fv 8.8 | Fv 10.9 | Fv 12.9 | Ma 8.8 | Ma 10.9 | Ma 12.9 |
|---|---|---|---|---|---|---|---|---|
| M8 | 1,0 | 39,2 | 19,7 | 28,9 | 33,9 | 29,2 | 42,8 | 50,1 |
| M10 | 1,25 | 61,2 | 30,8 | 45,2 | 52,9 | 57,0 | 83,0 | 98,0 |
| M12 | 1,25 | 92,1 | 46,8 | 68,7 | 80,4 | 101,0 | 149,0 | 174,0 |
| M12 | 1,5 | 88,1 | 44,3 | 65,1 | 76,2 | 97,0 | 143,0 | 167,0 |
| M14 | 1,5 | 125,0 | 63,2 | 92,9 | 109,0 | 159,0 | 234,0 | 274,0 |
| M16 | 1,5 | 167,0 | 85,5 | 126,0 | 147,0 | 244,0 | 359,0 | 420,0 |
| M18 | 1,5 | 216,0 | 115,0 | 163,0 | 191,0 | 368,0 | 523,0 | 613,0 |
| M20 | 1,5 | 272,0 | 144,0 | 206,0 | 241,0 | 511,0 | 728,0 | 852,0 |
| M22 | 1,5 | 333,0 | 178,0 | 253,0 | 296,0 | 692,0 | 985,0 | 1153,0 |
| M24 | 2,0 | 384,0 | 204,0 | 290,0 | 339,0 | 865,0 | 1232,0 | 1442,0 |
| M27 | 2,0 | 496,0 | 264,0 | 375,0 | 439,0 | 1262,0 | 1797,0 | 2103,0 |
| M30 | 2,0 | 621,0 | 331,0 | 472,0 | 552,0 | 1756,0 | 2502,0 | 2927,0 |
| M33 | 2,0 | 761,0 | 407,0 | 580,0 | 678,0 | 2352,0 | 3350,0 | 3921,0 |
| M36 | 2,0 | 915,0 | 490,0 | 698,0 | 817,0 | 3082,0 | 4390,0 | 5137,0 |
| M39 | 2,0 | 1082,0 | 581,0 | 828,0 | 969,0 | 3953,0 | 5631,0 | 6589,0 |
Fv - попереднє зусилля, кН; Ma - момент затягування, Н·м; As - розрахункова площа перерізу.