Surface Layer Properties after Successive EDM or EDA and Then Superficial Roto-Peen Machining

Figure 4

Stereometric image of surface after machining and its profilogram (a) the EDM—U =120 (V), I = 24 (A), Ti = 200 (μs), and the following roto-peen (b) 𝑛=6500 (rev/min), 𝑡=2.5 (min), (c) 𝑛=6500 (rev/min), 𝑡=5 (min).

(a)

(b)

(c)