Table 2.

Surface roughness results of multispot contouring. All the average values and standard deviations were obtained by measuring at least five values.

	Number of Spots	Spot Time (ms)	Spot Overlap (mm)	Focus Offset (mA)	Beam Current (mA)	Vertical Surface Roughness (µm)	Horizontal Surface Roughness (µm)
M1	10	0.6	0.2	1	4	40.5 ± 2.7	32.3 ± 2.3
M2	10	0.6	0.2	1	6	37.7 ± 2.9	29.2 ± 2.8
M3	10	0.6	0.2	3	4	38.2 ± 2.1	31.4 ± 2.9
M4	10	0.6	0.2	3	6	37.3 ± 3.5	28.4 ± 3.9
M5	10	0.8	0.4	3	4	32.6 ± 1.7	30.0 ± 1.4
M6	40	0.6	0.2	1	4	31.8 ± 1.9	31.5 ± 2.1
M7	40	0.6	0.2	1	6	31.8 ± 2.6	30.5 ± 2.9
M8	40	0.6	0.2	3	4	29.6 ± 2.3	28.9 ± 2.2
M9	40	0.6	0.2	3	6	33.6 ± 1.6	31.4 ± 1.3
M10	40	0.6	0.4	1	6	29.8 ± 1.5	29.7 ± 3.7
M11	40	0.8	0.2	1	6	33.0 ± 1.2	30.3 ± 1.4
M12	40	0.8	0.2	3	6	30.7 ± 1.4	29.1 ± 2.4
M13	40	0.8	0.4	1	4	31.6 ± 1.4	30.5 ± 2.0
M14	40	0.8	0.4	1	6	34.7 ± 3.1	33.0 ± 1.7
M15	40	0.8	0.4	3	4	30.9 ± 1.2	30.6 ± 2.0
M16 *	40	0.8	0.2	3	4	31.7 ± 1.9	31.0 ± 1.9
M17	55	0.4	0.4	3	4	27.3 ± 1.7	25.5 ± 3.2
M18	55	0.4	0.6	3	4	26.1 ± 0.9	27.0 ± 2.9
M19	55	0.8	0.4	3	4	32.4 ± 1.3	31.5 ± 2.1
M20	55	0.8	0.6	3	4	32.9 ± 1.3	30.6 ± 2.4
M21	70	0.4	0.4	3	4	28.9 ± 2.0	27.8 ± 1.9
M22	70	0.4	0.6	3	4	28.4 ± 1.2	25.8 ± 1.9
M23	70	0.8	0.4	3	4	35.1 ± 3.8	33.3 ± 2.3
M24	70	0.8	0.6	3	4	33.6 ± 1.9	32.3 ± 1.6
M25	80	0.4	0.4	3	4	27.9 ± 1.4	27.1 ± 1.9
M26	80	0.4	0.6	3	4	29.3 ± 1.7	28.0 ± 2.5
M27	80	0.8	0.4	3	4	34.2 ± 1.7	32.6 ± 2.0
M28	80	0.8	0.6	3	4	34.7 ± 1.5	33.5 ± 1.9

* The default processing parameters obtained from Arcam AB.