開孔率早見表

孔径と骨の比率によって開孔率を求められます。(少数点以下四捨五入)
| 孔径:骨 | 丸孔60°千鳥型 | 丸孔並列型 | 各孔千鳥・並列型 (但し、SP1=SP2に 限る) |
|---|
| 1 : 1 | 22.5% | 20 % | 25 % |
| 2 : 1 | 40 % | 35 % | 44.5 % |
| 3 : 1 | 51 % | 44 % | 56 % |
| 4 : 1 | 58 % | 50 % | 64 % |
| 5 : 1 | 63 % | 54.5 % | 69.5 % |
丸孔60°千鳥開孔率早見表
| 孔径 | ピッチ | 開孔率(%) |
|---|
| 0.35 φ | 1.05 | 10.1 | | 0.4 φ | 1.22 | 9.7 | | 0.5 φ | 1. | 22.7 | | 1.1 | 18.7 | | 0.6 φ | 1.21 | 22.3 | | 0.75 φ | 1.19 | 36.0 | | 0.8 φ | 1.5 | 25.8 | | 1 φ | 1.5 | 40.3 | | 2 | 22.7 | | 2.5 | 14.5 | | 3 | 10.1 | | 1.2 φ | 1.8 | 40.3 | | 2.25 | 25.8 | | 孔径 | ピッチ | 開孔率(%) |
|---|
| 1.5 φ | 2 | 51.0 | | 2.25 | 40.3 | | 2.5 | 32.6 | | 2.7 | 28.0 | | 3 | 22.7 | | 3.5 | 16.7 | | 2 φ | 3 | 40.3 | | 3.5 | 29.6 | | 4 | 22.7 | | 5 | 14.5 | | 2.5 φ | 3.5 | 46.2 | | 5 | 22.7 | | 孔径 | ピッチ | 開孔率(%) |
|---|
| 3 φ | 4 | 51.0 | | 4.5 | 40.3 | | 5 | 32.6 | | 6 | 22.7 | | 10 | 8.2 | | 3.5 φ | 6.5 | 26.3 | | 9 | 13.7 | | 4 φ | 6.5 | 34.3 | | 7 | 29.6 | | 4.5 φ | 7 | 37.4 | | 5 φ | 6.5 | 53.6 | | 7 | 46.2 | | 8 | 35.4 | | 10 | 22.7 |
| | | 孔径 | ピッチ | 開孔率(%) |
|---|
| 6 φ | 8 | 51.0 | | 9 | 40.3 | | 10 | 32.6 | | 7 φ | 10 | 44.4 | | 12 | 30.8 | | 8 φ | 10 | 58.0 | | 12 | 40.3 | | 13 | 34.3 | | 15 | 25.8 | | 9 φ | 12 | 51.0 | | 13 | 43.4 | | 15 | 32.6 | | 孔径 | ピッチ | 開孔率(%) |
|---|
| 10 φ | 12 | 62.9 | | 12.5 | 58.0 | | 13 | 53.6 | | 15 | 40.3 | | 20 | 22.7 | | 11.5 φ | 14 | 61.1 | | 12 φ | 15 | 58.0 | | 16 | 51.0 | | 13 φ | 16 | 59.8 | | 18 | 47.3 | | 26 | 22.7 | | 14 φ | 22 | 36.7 | | 孔径 | ピッチ | 開孔率(%) |
|---|
| 15 φ | 20 | 51.0 | | 28 | 26.0 | | 30 | 22.7 | | 16 φ | 20 | 58.0 | | 21 | 52.6 | | 17 φ | 24 | 45.5 | | 18 φ | 26 | 43.4 | | 20 φ | 25 | 58.0 | | 30 | 40.3 | | 25 φ | 35 | 46.2 | | 30 φ | 40 | 51.0 | | 40 φ | 50 | 58.0 | | 50 φ | 60 | 62.9 |
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