Research Article

Wedm Process Optimization for Machining Characteristcis of AISI 52100 Grade Alloy Steel

Table 7

SNRA values for the surface roughness and dimensional deviation values.

S.No.SNRA values for surface roughnessSNRA values for dimensional deviation

1-3.75022.499
2-2.14424.293
3-1.06227.535
4-3.46426.936
5-1.72727.744
6-1.06230.458
7-2.34527.535
8-1.28930.458
9-0.17233.979
10-6.88822.499
11-6.80922.975
12-5.20125.193
13-6.60821.412
14-4.71123.742
15-3.40525.514
16-6.15022.499
17-5.10523.876
18-2.79827.331
19-9.48418.416
20-8.16520.175
21-7.56821.412
22-8.43219.172
23-7.78320.446
24-6.23523.742
25-8.09719.576
26-6.72921.412
27-4.24421.938

Terms related to the calculation
K= mean of the SNRA values (see Table 7 for example: mean of SNRA value for surface roughness parameter is 4.868
The negative sign has been ignored, and the lower values ignoring negative values from rank Table 6 have been taken for further calculation.