Hybrid Integration of Taguchi Parametric Design, Grey Relational Analysis, and Principal Component Analysis Optimization for Plastic Gear Production

Table 3

OA L₉ (3⁴) of the experimental runs.

Factors/trial no.	A	B	C	D
	Melt temperature (°C)	Packing pressure (%)	Packing time (s)	Cooling time (s)
1	200	60	5	30
2	200	80	10	40
3	200	100	15	50
4	220	60	10	50
5	220	80	15	30
6	220	100	5	40
7	240	60	15	40
8	240	80	5	50
9	240	100	10	30