孔形

孔径

中心距

板厚

排列

出孔率

￠D

C

δ

α

Δ

圆孔

0.4

1.4

0.4

60

7.40%

圆孔

0.4

1.6

0.4

60

5.67%

圆孔

0.4

1.8

0.4

60

4.48%

圆孔

0.4

2.4

0.4

60

2.52%

圆孔

0.4

3

0.4

45

1.97%

圆孔

0.5

1

0.3

60

22.67%

圆孔

0.5

1.2

0.3

直排

13.64%

圆孔

0.5

1.2

0.5

60

15.74%

圆孔

0.5

1.3

0.5

60

13.42%

圆孔

0.5

1.5

0.5

60

10.08%

圆孔

0.5

1.6

0.5

60

8.86%

圆孔

0.5

2

0.5

60

5.67%

圆孔

0.5

2

0.5

60

5.67%

圆孔

0.5

5

0.5

60

0.91%

圆孔

0.6

1.6

0.5

60

12.75%

圆孔

0.6

1.6

0.6

60

12.75%

圆孔

0.6

1.6

0.7

60

12.75%

圆孔

0.6

1.8

0.5

60

10.08%

圆孔

0.6

2

0.5

60

8.16%

圆孔

0.6

3

0.5

60

3.63%

圆孔

0.6

3.5

0.5

45

3.26%

圆孔

0.7

1.4

0.5

60

22.67%

圆孔

0.7

1.8

0.5

60

13.72%

圆孔

0.7

1.8

0.8

60

13.72%

圆孔

0.7

2

0.7

60

11.11%

圆孔

0.7

2.5

0.6

60

7.11%

圆孔

0.7

2.8

0.7

60

5.67%

圆孔

0.7

3.25

1

60

4.21%

圆孔

0.8

1.3

0.4

60

34.34%

圆孔

0.8

1.4

0.5

60

29.61%

圆孔

0.8

1.6

0.5

60

22.67%

圆孔

0.8

1.6

0.5

60

22.67%

圆孔

0.8

1.8

0.5

60

17.91%

圆孔

0.8

1.8

0.8

60

17.91%

圆孔

0.8

2

0.5

60

14.51%

圆孔

0.8

2

0.6

60

14.51%

圆孔

0.8

2

0.8

60

14.51%

圆孔

0.8

2

0.8

60

14.51%

圆孔

0.8

2

0.8

60

14.51%

圆孔

0.8

2

0.9

60

14.51%

圆孔

0.8

2.3

0.8

60

10.97%

圆孔

0.8

2.5

0.6

60

9.29%

圆孔

0.8

2.5

0.8

60

9.29%

圆孔

0.8

2.5

0.8

60

9.29%

圆孔

0.8

2.5

0.8

60

9.29%

圆孔

0.8

3.25

0.8

60

5.50%

圆孔

0.8

3.4

0.5

60

5.02%

圆孔

0.8

3.8

1

60

4.02%

圆孔

0.8

4

1

直排

3.14%

圆孔

0.8

4.4

0.5

60

3.00%

圆孔

0.8

4.5

0.8

60

2.87%

圆孔

0.8

5

0.8

60

2.32%

圆孔

0.8

5.4

0.8

60

1.99%