Modeling and Analysis of Injection Moulding Process Parameters for Plastic Gear Industry Application

Table 8

The main effect analysis for grey relational grade.

Column	Parameters	Level 1	Level 2	Level 3
𝐴	Melt temperature (°C)	0.8054	0.6160	0.4740
𝐵	Mould temperature (°C)	0.6546	0.6239	0.6170
𝐶	Packing pressure (%)	0.6477	0.6378	0.6100
𝐷	Packing time (s)	0.5180	0.6608	0.7167
𝐸	Injection time (s)	0.6319	0.6307	0.6328
𝐹	Cooling time (s)	0.6678	0.6265	0.6012