A Pellet 3D Printer: Device Design and Process Parameters Optimization

Table 2

Factors and level of the orthogonal experiment.

		Levels of each factor
Factors	Parameters	1	2	3
	Speed of stepper motor (mm^3 s^−1)	5.814	3.681	1.256
	Moving speed of nozzle (mm s^−1)	6.4	8.0	9.6
	Height from nozzle to platform (mm)	0.9	1.1	1.3