Research Article
Research on Springback Control in Stretch Bending Based on Iterative Compensation Method
Table 5
Iterative compensation experimental results with a variable-curvature die shape.
| Material | n | (10−6) | Number | T (N) | (10−6) | (10−6) | (10−6) | (10−6) |
| ST12 | 2 | 3500 | 1 | 8000 | 3500 | 3443 | 57 | 3557 | 2 | 8000 | 3557 | 3500 | 0 | — | 3 | 40 | 1 | 8000 | 40 | 38.2 | 1.8 | 41.8 | 2 | 8000 | 41.8 | 39.7 | 0.3 | 42.1 | 3 | 8000 | 42.1 | 40 | 0 | — |
| H59 | 2 | 3500 | 1 | 10000 | 3500 | 3418 | 82 | 3582 | 2 | 10000 | 3582 | 3495 | 5 | 3587 | 3 | 10000 | 3587 | 3500 | 0 | — | 3 | 40 | 1 | 10000 | 40 | 37.8 | 2.2 | 42.2 | 2 | 10000 | 42.2 | 39.6 | 0.4 | 42.6 | 3 | 10000 | 42.6 | 40 | 0 | — |
|
|