| 实验编号 | 实验因素 | 试验结果 | |
| d/mm | c/mm | δ/mm | |
| 1 | 6.2 | 0 | 0.022 |
| 2 | 6.2 | 0.04 | 0.025 |
| 3 | 6.2 | 0.08 | 0.033 |
| 4 | 6.2 | 0.12 | 0.013 |
| 5 | 6.3 | 0 | 0.037 |
| 6 | 6.3 | 0.04 | 0.031 |