[Retracted] Research and Analysis of Out-of-Tolerance Problem in Mold Processing Based on Intelligence

Table 2

Orthogonal experimental design table.

Program	Factor
	A i (kN) (blank holder force)	B i (kN) (draw bead height)	(A × B)i	The maximum principal strain of the fracturing zone of the convex part
1	1	1	1	y1 = 0.195
2	1	2	2	y2 = 0.267
3	1	3	3	y3 = 0.302
4	2	1	2	y4 = 0.274
5	2	2	3	y5 = 0.380
6	2	3	1	y6 = 1.055
7	3	1	3	y7 = 0.285
8	3	2	1	y8 = 0.783
9	3	3	2	y9 = 1.673
K1	0.255	0.251	0.678
K2	0.570	0.477	0.738
K3	0.914	1.010	0.322
R	0.659	0.759	0.416