Optimization on Material Removal Rate and Surface Roughness of Stainless Steel 304 Wire Cut EDM by Response Surface Methodology

Table 6

Result of MRR and surface finish.

Wire diameter (mm)	0.25	Material thickness (mm)	2.052
Sl. no.	Cutting velocity. (mm/min)	MRR (mm^3/min)	Ra,(µm)
1	7.8	3.933	2.711
2	8.2	4.303	2.939
3	8.9	4.557	2.92
4	9.2	4.507	2.802
5	8.6	4.214	2.919
6	9.4	4.474	3.012
7	8	4.325	2.807
8	9.8	4.716	2.946
9	9.6	4.523	2.922
10	8.3	4.572	2.968
11	8.4	4.567	2.926
12	7.6	4.104	2.848
13	7.9	3.807	3.021
14	8.8	4.209	2.784
15	7.4	3.687	2.352
16	9	4.565	2.894
17	9.1	4.557	2.92
18	8.9	4.572	2.938
19	7.8	4.326	2.915
20	7.2	3.736	2.707