Research Article

Springback Study on Profile Flexible 3D Stretch-Bending Process Using the Neural Network

Table 4

Design and results of the orthogonal experiment.

NumberABCDEHorizontal springback value δy (mm)Vertical springback value δz (mm)Total springback value δ (mm)

16063141440.052.4014.6735.566
26063181860.13.1854.7115.933
36063222280.152.7774.9535.880
460632626100.23.5295.2896.438
560633030120.253.4935.9186.905
66005A141880.24.1336.7938.840
76005A1822100.255.3107.8079.955
86005A2226120.055.1127.3459.433
96005A263040.13.1669.0649.968
106005A301460.155.1448.72710.41
1150521422120.13.2285.7047.033
125052182640.151.8966.3957.118
135052223060.24.4717.3288.626
145052261480.253.9585.6577.211
1550523018100.052.7735.8246.818
165083142660.254.0976.4207.864
175083183080.053.2597.5978.324
1850832214100.12.9245.3186.718
1950832618120.152.5396.7317.628
205083302240.21.4716.7357.791
2160821430100.154.4016.0867.500
2260821814120.27.7647.70510.94
236082221840.258.2519.17812.30
246082262260.057.2899.63012.09
256082302680.19.3599.83513.70