Science, Maths & Technology
Electrical Discharge Machining (EDM) and Grinding (EDG)
...work, and particularly suitable for irregular slots and cavities and small holes with high aspect ratios. Leaves no burrs. Holes down to 0.05 mm can be formed, but an allowance has to be made of 0.005–0.50 mm side-1 for “overcut”. Holes are usually slightly tapered (0.5–5 μm mm–1 side-1) due to sparking from the side of the tool, but this taper can be...