Study on Injection Molding Process Simulation and Process Parameter Optimization of Automobile Instrument Light Guiding Support

Table 6

Results of the variance analysis.

Optimization objective	Sources of variance	Sum of squares of deviations/Sa	Degrees of freedom/fa	The mean square value/	Influence degree P (%)
Shrinkage rate	A	0.255	3	0.085	1.84
	B	2.584	3	0.861	18.69
	C	0.211	3	0.070	1.53
	D	0.378	3	0.126	2.73
	E	10.395	3	3.465	75.2
	Se	13.823	15
Amount of warping	A	0.0067	3	0.0022	1.05
	B	0.1546	3	0.0515	24.29
	C	0.3033	3	0.1011	47.66
	D	0.0912	3	0.0304	14.33
	E	0.0806	3	0.0269	12.66
	Se	0.6364	15