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 roughness
SNRA values for dimensional deviation
1
-3.750
22.499
2
-2.144
24.293
3
-1.062
27.535
4
-3.464
26.936
5
-1.727
27.744
6
-1.062
30.458
7
-2.345
27.535
8
-1.289
30.458
9
-0.172
33.979
10
-6.888
22.499
11
-6.809
22.975
12
-5.201
25.193
13
-6.608
21.412
14
-4.711
23.742
15
-3.405
25.514
16
-6.150
22.499
17
-5.105
23.876
18
-2.798
27.331
19
-9.484
18.416
20
-8.165
20.175
21
-7.568
21.412
22
-8.432
19.172
23
-7.783
20.446
24
-6.235
23.742
25
-8.097
19.576
26
-6.729
21.412
27
-4.244
21.938
∗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.