Abstract
In this chapter, a curved hole machining mechanism is developed on z-axis numerical control (ZNC) electrical discharge machine (EDM). The unique mechanism operates through the computer intelligence programmable electronic control systems (ECS). The experimental methodology is identified with three distinct workpiece materials and curved copper tool. The result analysis of curved hole machined is evaluated in four categories. First, the maximum material removal rate (MRR) and minimum tool wear rate (TWR) were estimated at 51.304mm3/min and 0.3mm3/min, respectively. Second, the mean dimensional accuracy of the machined curved hole with the designed curved hole is found in pilot experimentation (96.87%). Third, the output belongs to the surface roughness, which is achieved in P20 mold steel material (4.609μm), followed by material characterization using scanning electron microscopy (SEM). The developed machining mechanism has been successfully experimented and validated by derived results.
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