Study on Simulation of Stamping Process and Optimization of Process Parameters of Fender

Table 7

Data statistics of SNR calculation results.

	A	B	C	D
T1	−96.4873	−96.0204	−95.9448	−95.5741	T = −383.37
T2	−95.7935	−95.8097	−95.8979	−96.1064	ST = 0.288
T3	−95.8682	−95.7766	−95.8184	−95.967
T4	−95.2209	−95.7632	−95.7088	−95.7224
t1	−24.1218	−24.0051	−23.9862	−23.8935
t2	−23.9484	−23.9524	−23.9745	−24.0266
t3	−23.9671	−23.9442	−23.9546	−23.9918
t4	−23.8052	−23.9408	−23.9272	−23.9306
Range (R)	0.3166	0.0643	0.0590	0.1331
Fluctuation (S)	0.197	0.006	0.003	0.038