Parameter Optimization of Polishing M300 Mold Steel with an Elastic Abrasive

Table 3

Factors and levels of the orthogonal experiment.

Processing parameters	Level
	1	2	3
Particle size S (#)	320	600	1000
Abrasive tool speed Wt (r/min)	4500	6000	7500
Setting cut depth Ap (mm)	0.1	0.2	0.3
Feed rate Vf	0.5	1	2