Optimization and Modeling of Radial Pitch Diameter Difference in Tapping of AISI H13

Table 5

Experimental results and S/N.

Exp. no.	A	B	C	RPDD (μm)	S/N (dB)
1	1	1	1	15.7	−23.9
2	1	1	2	12.4	−21.9
3	1	1	3	14.6	−23.3
4	1	2	1	19.8	−25.9
5	1	2	2	16.5	−24.3
6	1	2	3	17	−24.6
7	1	3	1	17.3	−24.8
8	1	3	2	14.3	−23.1
9	1	3	3	15.6	−23.9
10	2	1	1	15.9	−24.0
11	2	1	2	12.9	−22.2
12	2	1	3	15	−23.5
13	2	2	1	23	−27.2
14	2	2	2	19.2	−25.7
15	2	2	3	20.7	−26.3
16	2	3	1	17.6	−24.9
17	2	3	2	14.8	−23.4
18	2	3	3	15.9	−24.0