Question

What are the recast layer thickness values obtained in ED sawing?

(a) 0.001 to 0.022 mm

(b) 0.025 to 0.130 mm

(c) 0.236 to 0.352 mm

(d) 0.432 to 0.568 mm

I have been asked this question in examination.

The question is from EDM-Applications topic in division Thermal Processes of Advanced Machining

Answer 1

Right answer is (b) 0.025 to 0.130 mm

Best explanation: The recast layer thickness values obtained from ED sawing range from 0.025 to 0.13 mm.