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.

Materialn (10−6)NumberT (N) (10−6) (10−6) (10−6) (10−6)

ST12235001800035003443573557
28000355735000
340180004038.21.841.8
2800041.839.70.342.1
3800042.1400

H592350011000035003418823582
2100003582349553587
310000358735000
3401100004037.82.242.2
21000042.239.60.442.6
31000042.6400