Multiobjective Optimization System of Extrusion Process Parameters for Targeted Microtubes Based on RSM and NSGA-II

Table 2

Level table of orthogonal test factors.

Levels	Factors
	A	B	C
	q (ml/min)	(m/min)	n (r/min)
1	3	6	4
2	4	12	8
3	5	18	12
4	6	24	16