Optimized Injection Molding of Unfilled and Glass Filled PA6 Gears

Table 10

Main effects table for Grey relational grades.

Symbol	Process parameters	Level 1	Level 2	Level 3
A	Melt temperature (°C)	0.6975	0.3640	0.4677
B	Packing pressure (%)	0.6203	0.4967	0.4122
C	Packing time (s)	0.5941	0.4897	0.4455
D	Cooling time (s)	0.6124	0.5047	0.4122