圆柱螺旋弹簧计算用系数C，K，K₁，(摘自GB/T 1239.6—1992)

C

K

K₁

C

K

K₁

2.5

1.746

69.46

9.3

1.157

2369.3

2.6

1.705

76.31

9.4

1.155

2442.6

2.7

1.669

83.64

9.5

1.153

2517.3

2.8

1.636

91.44

9.6

1.151

2592.6

2.9

1.607

99.8

9.7

1.15

2672.3

3

1.58

108.63

9.8

1.147

2751.3

3.1

1.556

118.02

9.9

1.146

2830.9

3.2

1.533

127.9

10

1.145

1.08

2915.2

3.3

1.512

138.34

10.1

1.143

2998.6

3.4

1.493

149.42

10.2

1.142

3086

3.5

1.476

161.14

10.3

1.14

3171.5

3.6

1.459

173.34

10.4

1.139

3262.1

3.7

1.444

186.24

10.5

1.138

3354.3

3.8

1.43

199.78

10.6

1.136

3444.4

3.9

1.416

213.88

10.7

1.135

3539.9

4

1.404

1.25

228.81

10.8

1.133

3634

4.1

1.392

244.26

10.9

1.132

3732.8

4.2

1.381

260.49

11

1.131

3833.2

4.3

1.37

277.32

11.1

1.13

3934.4

4.4

1.36

295.01

11.2

1.128

4034.9

4.5

1.351

1.2

313.47

11.3

1.127

4140.5

4.6

1.342

332.63

11.4

1.126

4247.9

4.7

1.334

352.66

11.5

1.125

4355.8

4.8

1.325

373.09

11.6

1.124

4466.6

4.9

1.318

394.83

11.7

1.123

4579.3

5

1.311

1.19

417.3

11.8

1.122

4693.8

5.1

1.304

440.4

11.9

1.121

4810.1

5.2

1.297

464.34

12

1.12

1.07

4928.3

5.3

1.29

489.03

12.1

1.118

5042.6

5.4

1.284

514.84

12.2

1.117

5164.3

5.5

1.279

1.17

541.85

12.3

1.116

5287.8

5.6

1.273

569.27

12.4

1.115

5413.3

5.7

1.267

579.36

12.5

1.114

5539.1

5.8

1.262

627.01

12.6

1.114

5673.1

5.9

1.257

657.38

12.7

1.113

5804.3

6

1.253

1.15

689.13

12.8

1.112

5937.4

6.1

1.248

721.25

12.9

1.111

6072.5

6.2

1.243

754.26

13

1.11

6210.6

6.3

1.239

788.74

13.1

1.109

6348.6

6.4

1.235

824.39

13.2

1.108

6487.7

6.5

1.231

1.14

800.78

13.3

1.107

6630.7

6.6

1.227

898.14

13.4

1.106

6775.5

6.7

1.223

936.45

13.5

1.106

6928.4

6.8

1.22

976.75

13.6

1.105

7077.5

6.9

1.216

1017.1

13.7

1.104

7228.6

7

1.213

1.13

1059.5

13.8

1.103

7379.6

7.1

1.21

1102.6

13.9

1.102

7534.8

7.2

1.206

1146.1

14

1.102

1.06

7698.6

7.3

1.203

1191.6

14.1

1.101

7858

7.4

1.2

1238

14.2

1.1

8019.5

7.5

1.197

1.12

1285.9

14.3

1.099

8183.1

7.6

1.195

1335.5

14.4

1.099

8360

7.7

1.192

1385.7

14.5

1.098

8523.9

7.8

1.189

1436.6

14.6

1.097

8691.6

7.9

1.187

1490.2

14.7

1.097

8871.4

8

1.184

1.11

1543.5

14.8

1.096

9045.9

8.1

1.182

1599.4

14.9

1.095

9222.6

8.2

1.179

1655

15

1.095

9406.5

8.3

1.177

1713.5

15.1

1.094

9590.7

8.4

1.175

1773.4

15.2

1.093

9774.1

8.5

1.172

1.1

1832.5

15.3

1.093

9968.2

8.6

1.17

1894.9

15.4

1.092

10153.3

8.7

1.168

1958.1

15.5

1.091

10344.9

8.8

1.166

2023.2

15.6

1.091

10546.4

8.9

1.164

2089.5

15.7

1.09

10742

9

1.162

1.09

2156.7

15.8

1.09

10949.4

9.1

1.16

2225.7

15.9

1.089

11146.5

9.2

1.158

2296.2

16

1.088

1.05

11345.9