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有效应力集中系数 Kσ

来源:动视网 责编:小OO 时间:2025-09-29 18:17:49
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有效应力集中系数 Kσ

 有效应力集中系数Kσ、Kτσb(MPa)螺纹(Kτ=1)Kσ键槽花键横孔配  合KσKτKσKτKσKτH7/r6H7/k6H7/h6A型B型A、B型矩形渐开线型d0/d=0.05-0.15d0/d=0.15-0.25d0/d=0.05-0.25KσKτKσKτKσKτ4001.451.511.301.21.352.11.401.901.701.702.051.551.551.251.331.145001.781.1.381.371.452.251.431.951.751.752.301
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导读 有效应力集中系数Kσ、Kτσb(MPa)螺纹(Kτ=1)Kσ键槽花键横孔配  合KσKτKσKτKσKτH7/r6H7/k6H7/h6A型B型A、B型矩形渐开线型d0/d=0.05-0.15d0/d=0.15-0.25d0/d=0.05-0.25KσKτKσKτKσKτ4001.451.511.301.21.352.11.401.901.701.702.051.551.551.251.331.145001.781.1.381.371.452.251.431.951.751.752.301

  
有效应力集中系数 Kσ、Kτ

σb

(MPa)

螺纹

(Kτ=1)

键 槽

花 键

横 孔

配   合

H7/r6H7/k6H7/h6
A型

B型

A、B型

矩形渐开线型d0/d=0.05-0.15d0/d=0.15-0.25d0/d=0.05-0.25

4001.451.511.301.21.352.11.401.901.701.702.051.551.551.251.331.14
5001.781.1.381.371.452.251.431.951.751.752.301.691.721.361.491.23
6001.961.761.461.541.552.351.462.001.801.802.521.821.1.461.1.31
7002.201.1.541.711.602.451.492.051.851.802.731.962.051.561.771.40
8002.322.011.621.881.652.551.522.101.901.852.962.092.221.651.921.49
9002.472.141.692.051.702.651.552.151.951.903.182.222.391.762.081.57
10002.612.261.772.221.722.701.582.202.001.903.412.362.561.862.221.66
12002.902.51.922.391.752.81.602.302.102.003.872.622.902.052.501.83
    1.滚动轴承与轴的配合按H7/r6选择计算。螺纹的Kτ=1。

    2. 蜗杆螺旋根部有效应力集中系数Kσ=2.3~2.5Kτ=1.7~1.9

D-d

r

r/d

σb      (MPa)

4005006007008009001000120040050060070080090010001200
20.011.341.361.381.401.411.431.451.491.261.281.291.291.301.301.311.32
0.021.411.441.471.491.521.541.571.621.331.351.361.371.371.381.391.42
0.031.591.631.671.711.761.801.841.921.391.401.421.441.451.471.481.52
0.051.541.591.1.691.731.781.831.931.421.431.441.461.471.501.511.54
0.101.381.441.501.551.611.661.721.831.371.381.391.421.431.451.461.50
40.011.511.541.571.591.621.1.671.721.371.391.401.421.431.441.461.47
0.021.761.811.861.911.962.012.062.161.531.551.581.591.611.621.651.68
0.031.761.821.881.941.992.052.112.231.521.541.571.591.611.1.661.71
0.051.701.761.821.881.952.012.072.191.501.531.571.591.621.651.681.74
60.011.861.901.941.992.032.082.122.211.541.571.591.611.1.661.681.73
0.021.901.962.022.082.132.192.252.371.591.621.661.691.721.751.791.86
0.031.1.962.032.102.162.232.302.441.611.651.681.721.741.771.811.88
100.012.072.122.172.232.282.342.392.502.122.182.242.302.372.422.482.60
0.022.092.162.232.302.382.452.522.662.032.082.122.172.222.262.312.40
D-d 

r

r/dσb   (MPa)

40050060070080090010001200

10.01

0.02

0.03

0.05

0.10

1.88

1.79

1.72

1.61

1.44

1.93

1.84

1.77

1.66

1.48

1.98

1.

1.82

1.72

1.52

2.04

1.95

1.87

1.77

1.55

2.09

2.00

1.92

1.82

1.59

2.15

2.06

1.97

1.88

1.62

2.20

2.11

2.02

1.93

1.66

2.31

2.22

2.12

2.04

1.73

20.01

0.02

0.03

0.05

2.09

1.99

1.91

1.79

2.15

2.05

1.97

1.85

2.21

2.11

2.03

1.91

2.27

2.17

2.08

1.97

2.37

2.23

2.14

2.03

2.39

2.28

2.19

2.09

2.45

2.35

2.25

2.15

2.57

2.49

2.36

2.27

40.01

0.02

0.03

2.29

2.18

2.10

2.36

2.25

2.16

2.43

2.32

2.22

2.50

2.38

2.28

2.56

2.45

2.35

2.63

2.51

2.41

2.70

2.58

2.47

2.84

2.71

2.59

60.01

0.02

2.38

2.28

2.47

2.35

2.56

2.42

2.

2.49

2.73

2.56

2.81

2.63

2.90

2.70

3.07

2.84

任何值0.01

0.02

0.03

0.05

0.10

1.60

1.51

1.44

1.34

1.17

1.70

1.60

1.52

1.40

1.20

1.80

1.69

1.60

1.46

1.23

1.90

1.77

1.67

1.52

1.26

2.00

1.86

1.75

1.57

1.28

2.10

1.94

1.82

1.63

1.31

2.20

2.03

1.90

1.69

1.34

2.40

2.20

2.05

1.81

1.40

 

文档

有效应力集中系数 Kσ

 有效应力集中系数Kσ、Kτσb(MPa)螺纹(Kτ=1)Kσ键槽花键横孔配  合KσKτKσKτKσKτH7/r6H7/k6H7/h6A型B型A、B型矩形渐开线型d0/d=0.05-0.15d0/d=0.15-0.25d0/d=0.05-0.25KσKτKσKτKσKτ4001.451.511.301.21.352.11.401.901.701.702.051.551.551.251.331.145001.781.1.381.371.452.251.431.951.751.752.301
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