Parameter Optimization of PET Plastic Preform Bottles in Injection Molding Process Using Grey-Based Taguchi Method

Table 5

ANOVA result of grey relational grade.

Source	DoF	Adj SS	Adj MS	F-value	Contribution (%)
Melting temperature (A)	2	0.29	0.145	19.333	70.51
Molding temperature (B^1)	2	0.015
Holding pressure (C)	2	0.034	0.017	2.267	4.87
Cooling time (D)	2	0.051	0.0255	3.4	9.23
Pooled error	2	0.015	0.0075		15.39
Total	8	0.39			100
= 19.00