Optimization of the Physical and Mechanical Properties of a Spline Surface Fabricated by High-Speed Cold Roll Beating Based on Taguchi Theory

Table 2

Factor level table.

Experimental level	Experimental factors
	Cold roll-beating speed,  (r/mm)	Feed rate,  (mm/min)	Fillet radius of hobbing wheel,; (mm)
1	1428	21	1
2	1581	28	1.5
3	1806	35	2
4	2032	42	2.5
5	2258	51	3