Effect of a Rapid Tooling Technique in a 3D Printed Part for Developing an EDM Electrode

Table 3

MRR, TWR, and SR results of 3D printed (RT) and solid copper (SC) electrodes at .

Current (Amp.)	At						At						At
	MRR SC	MRR RT	TWR SC	TWR RT	SR SC	SR RT	MRR SC	MRR RT	TWR SC	TWR RT	SR SC	SR RT	MRR SC	MRR RT	TWR SC	TWR RT	SR SC	SR RT
2	1.865	1.775	0.037	0.016	3.521	4.421	1.880	1.765	0.039	0.016	3.541	4.441	1.915	1.880	0.047	0.021	3.704	4.604
2.15	1.923	1.841	0.039	0.018	3.600	4.500	1.964	1.856	0.041	0.017	3.637	4.537	2.025	1.996	0.049	0.022	3.816	4.716
2.3	1.987	1.913	0.041	0.019	3.687	4.587	2.054	1.953	0.044	0.019	3.740	4.640	2.141	2.119	0.051	0.023	3.935	4.835
2.45	2.056	1.992	0.044	0.021	3.782	4.682	2.149	2.058	0.046	0.020	3.851	4.751	2.262	2.248	0.054	0.025	4.062	4.962
2.6	2.132	2.078	0.046	0.022	3.885	4.785	2.250	2.168	0.048	0.021	3.970	4.870	2.389	2.384	0.056	0.026	4.197	5.097
2.75	2.212	2.170	0.049	0.024	3.995	4.895	2.356	2.286	0.051	0.023	4.097	4.997	2.521	2.527	0.059	0.027	4.340	5.240
2.9	2.299	2.269	0.051	0.025	4.113	5.013	2.469	2.410	0.053	0.024	4.231	5.131	2.659	2.676	0.061	0.028	4.490	5.390
3	2.359	2.339	0.053	0.026	4.197	5.097	2.546	2.496	0.055	0.025	4.325	5.225	2.754	2.779	0.063	0.029	4.595	5.495
3.15	2.455	2.449	0.056	0.027	4.328	5.228	2.668	2.632	0.058	0.026	4.472	5.372	2.902	2.940	0.066	0.030	4.758	5.658
3.3	2.556	2.566	0.059	0.029	4.466	5.366	2.795	2.774	0.061	0.027	4.627	5.527	3.055	3.107	0.069	0.031	4.929	5.829
3.45	2.663	2.689	0.062	0.030	4.613	5.513	2.928	2.922	0.064	0.028	4.790	5.690	3.214	3.280	0.072	0.032	5.108	6.008
3.6	2.776	2.819	0.065	0.031	4.767	5.667	3.067	3.077	0.067	0.030	4.960	5.860	3.378	3.460	0.075	0.033	5.295	6.195
3.75	2.894	2.956	0.069	0.032	4.929	5.829	3.211	3.239	0.071	0.031	5.138	6.038	3.548	3.647	0.079	0.034	5.489	6.389
3.9	3.018	3.100	0.072	0.034	5.099	5.999	3.361	3.408	0.074	0.032	5.324	6.224	3.724	3.841	0.082	0.035	5.691	6.591
4	3.104	3.199	0.075	0.035	5.217	6.117	3.464	3.524	0.077	0.033	5.452	6.352	3.844	3.974	0.085	0.036	5.830	6.730