Simulation Process of Injection Molding and Optimization for Automobile Instrument Parameter in Embedded System

Table 3

Signal-to-noise ratio of shrinkage volume and warping amount.

Number of test	Signal-to-nose ratio of volume shrinkage rate and warping amount
	Shrinkage rate	Warping amount
1	−20.688	−6.370
2	−19.255	−5.990
3	−18.607	−5.632
4	−17.775	−4.598
5	−22.100	−5.148
6	−17.450	−6.029
7	−16.584	−5.711
8	−17.741	−5.982
9	−21.591	−5.805
10	−21.980	−5.343
11	−16.845	−5.347
12	−17.690	−5.926
13	−21.600	−5.820
14	−16.970	−5.497
15	−17.350	−6.130
16	−19.390	−5.987
17	−21.970	−4.670
18	−16.880	−6.098
19	−21.970	−5.029
20	−16.880	−5.550
21	−16.910	−5.845
22	−21.580	−5.705
23	−21.900	−5.856
24	−18.024	−5.754
25	−18.351	−5.889
26	−20.590	−5.798
27	−18.438	−5.746