Research Article

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

Table 8

SNR calculation results table.

Test number

1−19.0945−24.3602−21.7273
2−19.3450−24.6229−21.9840
3−19.1954−24.9640−22.0797
4−19.1704−25.3695−22.2700
5−19.2559−25.3916−22.3237
6−19.5082−25.5374−22.5228
7−19.4213−25.3911−22.4062
8−19.3385−25.3316−22.3350
9−19.3577−25.4238−22.3908
10−19.4334−25.4349−22.4341
11−19.4539−25.3922−22.4231
12−19.4067−25.3192−22.3629
13−19.4241−25.2891−22.3566
14−19.4396−25.2295−22.3346
15−19.4734−25.3149−22.3942
16−19.4348−25.3395−22.3872