Research Article
Surface Layer Properties after Successive EDM or EDA and Then Superficial Roto-Peen Machining
Table 1
Specification of surface microstereometry (3D) after the EDM and then the roto-peen machining.
| Parameters EDM | Parameters roto-peen | Microstereometric parameters 3D | U (V) | I (A) | Ti (μs) | v (rev/min) | t (min) | (μm) | (μm) | (μm) | | (1/μm) | (%) |
| 120 | 24 | 200 | — | — | 12.40 | 87.2 | 47.5 | 0.40 | 0.10 | 0.80 | 120 | 24 | 200 | 5000 | 2.5 | 4.84 | 52.9 | 12.3 | 0.21 | 0.02 | 5.81 | 120 | 24 | 200 | 5000 | 5 | 2.04 | 27.3 | 14.2 | 0.08 | 0.01 | 0.00 | 120 | 24 | 200 | 7000 | 2.5 | 6.35 | 67.6 | 25.8 | 0.23 | 0.03 | 0.20 | 120 | 24 | 200 | 7000 | 5 | 3.37 | 41.7 | 14.6 | 0.12 | 0.02 | 0.30 | 80 | 48 | 400 | — | — | 13.30 | 149.0 | 92.6 | 0.4 | 0.03 | 0.2 | 80 | 48 | 400 | 5000 | 2.5 | 11.30 | 88.7 | 22.9 | 0.31 | 0.04 | 4.52 | 80 | 48 | 400 | 5000 | 5 | 6.23 | 50.4 | 17.6 | 0.20 | 0.03 | 1.73 | 80 | 48 | 400 | 7000 | 2.5 | 6.19 | 55 | 19.8 | 0.22 | 0.03 | 0.40 | 80 | 48 | 400 | 7000 | 5 | 6.51 | 57.8 | 17.4 | 0.16 | 0.02 | 3.26 | 160 | 16 | 800 | — | — | 8.91 | 78.8 | 35.4 | 0.26 | 0.06 | 0.60 | 160 | 16 | 800 | 5000 | 2.5 | 5.42 | 48.1 | 13.3 | 0.16 | 0.01 | 6.20 | 160 | 16 | 800 | 5000 | 5 | 5.19 | 47.2 | 12.8 | 0.16 | 0.01 | 9.55 | 160 | 16 | 800 | 7000 | 2.5 | 5.00 | 48.1 | 15.7 | 0.17 | 0.02 | 4.39 | 160 | 16 | 800 | 7000 | 5 | 3.78 | 53.7 | 16.4 | 0.16 | 0.03 | 0.60 | 160 | 6 | 100 | — | — | 4.47 | 47.4 | 16.5 | 0.27 | 0.01 | 0.50 | 160 | 6 | 100 | 5000 | 2.5 | 1.31 | 15.3 | 15.3 | 0.05 | 0.02 | 0.10 | 160 | 6 | 100 | 5000 | 5 | 1.14 | 28.5 | 28.5 | 0.06 | 0.02 | 0.00 | 160 | 6 | 100 | 5000 | 7.5 | 1.36 | 17 | 17 | 0.09 | 0.02 | 0.01 | 160 | 6 | 100 | 7000 | 2.5 | 1.66 | 35.5 | 35.5 | 0.08 | 0.02 | 0.00 |
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