螺栓设计计算公式

螺栓球重量计算公式

注:

1.pi：圆周率 2. h: 高度 3：r：半径

序号 规格 体积计算公式(Pi * h2 * r)-(Pi

* h3 / 3) 单重

（体积*钢材比重0.00785） 重量 备注

1 100 523.6 0.00785 4.11026 4.11

2 120 904.8 0.00785 7.10268 7.10

3 150 1767.15 0.00785 13.87212 13.87

4 180 3053.63 0.00785 23.97099 23.97

5 200 4188.79 0.00785 32.88200 32.88

6 220 5575.53 0.00785 43.76555 43.76

7 280 11494.04 0.00785 90.2282 90.22

8

用力矩扳手正规测定拧紧力矩螺栓规格dmm螺距PmmTmax/N·mTmin/N·mTs/N·mssMPa螺栓公称应力截面积Asmm2外螺纹小径 d1mm141.5189.61127.15158.38640124.5455412.37620237螺纹规格M8M10M12M14M16M18M20M24M27M30M33M36M39M42M48M52M56M60M64M68M72M76M80螺栓规格dmm螺距Pmm计算螺纹升角φ/pi预紧应力/屈服点支撑面摩擦因数μ0螺纹副摩擦因数μssMPa支撑面外径D0mm141.50.070.800.120.12640326, 4,3,2,1.5,(1)螺距

5.5, 4,3,2,1.5,(1)(5.5), 4,3,2,1.5,(1)6, 4,3,2,1.5,(1)6, 4,3,2,1.5,(1)4, 3,2,1.5,(1)4.5, (4),3,2,1.5,(1)5, (4),3,2,1.5,(1)5, (4),3,2,1.5,(1)6, 4,3,2,1.5,(1)3, 2,1.5,1,(0.75)3.5, (3),2,1.5,1,(0.75)3.5, (3),2,1.5,(1),(0.75)4, 3,2,1.5,(1)2, 1.5,1,(0.75),(0.5)2.5, 2,1.5,1,(0.75),(0.5)2.5, 2,1.5,1,(0.75),(0.5)3, 2,1.5,1,(0.75)1.25, 1,0.75,(0.5)1.5, 1.25,1,0.75,(0.5)1.75, 1.5,1.25,1,(0.75),(0.5)2, 1.5,(1.25),1,(0.75),(0.5)

根据预紧力计算扭矩6, 4,3,2,1.5,(1)外螺纹中径 d2mm螺纹原始三角形高度H mm计算直径d3 mm环箍类型13.025721421.29903810612.1597钢号sb MPass MPa10335～400205Q235-A375～460235355303154560035540Cr980785等级sb MPass MPa3.63001804.84003205.65003005.85204008.880064010.9104090012.912201080被联接件或垫圈孔径d0mm拧紧力矩 TN·m计算预紧力F'/N螺纹原始三角形高度Hmm外螺纹小径d1mm计算螺纹副当量摩擦角ρ'外螺纹中径d2/mm已知扭矩T0N·m15176.267846361593.46541.29903810612.3762020.1413.02572145注1： 蓝色底为输入项，黄色底为输出项。 注2：Tmax，Tmin，Ts三项为根据QC/T518附录公式计算输出螺纹联接件常用材料及机械性能

螺栓规格 dmm螺距 Pmm计算拧紧力矩 TN·m屈服强度 ssMPa螺栓公称应力截面积 Asmm²外螺纹小径 d1mm外螺纹中径 d2mm螺纹原始三角形高度 Hmm计算直径 d3mm0.8*TN·m0.6*TN·m101.544.564058.08.3769.0261.2998.16035.626.72

粗牙M50.8////M610.75（0.5）//M81.2510.75（0.5）/M101.51.2510.75（0.5）钢号sb MPass MPaM121.751.51.251(0.75),(0.5)10335~400205M1421.51.251(0.75),(0.5)Q235-A375~60235M1621.51.251(0.75),(0.5)35530315M182.521.51(0.75),(0.5)45600355M202.521.51(0.75),(0.5)40Cr980785M24321.51(0.75)M27321.51(0.75)M303.5(3)21.5；1(0.75)等级sb MPass MPaM333.5(3)21.5(1),(0.75)3.6300180M364321.5(1)4.8400320M394321.5(1)5.6500300M424.5(4)32；1.5(1)8.8800640M485(4)32；1.5(1)10.91040900M525(4)32；1.5(1)M565.5432；1.5(1)M60(5.5)432；1.5(1)M646432；1.5(1)M686432；1.5(1)M726432；1.5(1)M766432；1.5(1)M806432； 1.5(1)螺纹联接件对应强度等级的机械性能 请在白色单元格输入相对应的数值，其他不要动。 通常取计算值的0.8倍左右作为实际应用的拧紧力矩值。（见绿色单元格）用力矩扳手正规测定拧紧力矩

螺纹规格螺距细牙

第一组

孔号垂距平距倾角倾角孔深孔号

13802.12.580.11

24.1435.45.543.22

34.1623.84.062.13

42.3346.42.93.046.54

5057.60.00.057.65

6-2.8570.7-2.3-2.070.86

孔号垂距平距倾角倾角孔深孔号

112103.26.67.0103.91

210.493.16.46.593.72

38.883.66.06.584.13

44.636.487.27.536.84

50.8454.130.91.054.15

6454.14.24.554.26

72.444.23.13.044.37

80.834.41.31.034.48

孔号垂距平距倾角倾角孔深孔号1-8.670.2-7.0-6.570.712-6.6335-10.7-10.535.623-4.356.82-32.5-32.58.134-6.427-13.3-13.027.745-14.853.6-15.4-15.055.65667788

孔号孔号112236.116.150.28671.84.3349.25100.28672.96.4459.2619.30.28675.514.8560.00.067788

59.2750463.5112.7650638215.5750778.5421.73501086.5376.15503807.5垂距平距倾角倾角孔深

7.2145.888.99.046.4

0.871.810.61.071.8

8.8846.06.084.57.274.25.56.074.5

5.664.35.05.064.5

454.54.24.554.6

垂距平距倾角倾角孔深12102.36.77.0103.0

10.492.86.46.593.4

8.883.26.06.583.7

7.273.45.66.073.85.663.65.05.563.8

453.84.34.553.9

2.443.93.11.044.0