| 变径前 | 变径后 | ||
| D0 | 203 mm |
| 240 mm |
| D1 | 183 mm |
| 220 mm |
| l0 | 86 mm | l1 | 81.7 mm |
| h | 3 mm | ΔR | 13.4 mm |
| b | 30 mm | R | 273 mm |
| E | 206 × 103 MPa | ||
| D | 9 mm | ||