Research on the Cross Section Forming Quality of Three-Dimensional Multipoint Stretch Forming Parts

Table 2

Orthogonal test.

Level	Factor
	A	B	C	D
1	0.8% L	0.8% L	6	0.05
2	1.0% L	1.0% L	8	0.1
3	1.2% L	1.2% L	10	0.15
4	1.4% L	1.4% L	12	0.2