The Influence of Tool Path Strategies on Cutting Force and Surface Texture during Ball End Milling of Low Curvature Convex Surfaces

Table 4

Standard orthogonal array with experiment measurements for machining time.

Sequenced experiment number	Cutting parameters level				Machining time (min)
	𝑉𝑐 (m/min)	𝐹𝑐 (mm/tooth)	𝑆𝑜 (mm)	Raster	3D-offset	Spiral	Radial
1	60	0.06	0.3	34.09	35.53	33.49	104.29
2	60	0.12	0.7	7.29	8.21	7.45	22.38
3	60	0.18	1.1	3.19	3.52	3.29	9.39
4	120	0.06	0.7	7.29	8.21	7.41	22.39
5	120	0.12	1.1	2.31	2.58	2.42	7.15
6	120	0.18	0.3	5.45	6.20	5.55	17.26
7	180	0.06	1.1	3.19	3.52	3.32	9.44
8	180	0.12	0.3	5.45	6.20	6	17.26
9	180	0.18	0.7	1.43	2.02	1.50	5.03