Design of Hydraulic Bulging Die for Automobile Torsion Beam and Optimization of Forming Process Parameters

Table 10

Variance analysis table.

Source	S	f	V	F value	R square
A	0.4224	3	0.1408	12.6737	0.1502
B	0.0721	3	0.0240	2.1641	0.0349
C	0.0333	3			0.0132
D	0.0501	3	0.0167	1.5042	0.0194
(e)	(0.0333)	(3)	0.0111
T	0.583	3