In the hole drilling EDM category, the small hole drilling EDM is used in a variety of applications. Conventionally, on the wire-cut EDM machines, small hole drilling EDM is used to make a through-hole in a work piece through which the wire for the wire-cut EDM operation. A separate EDM head is designed specifically for small hole drilling will be mounted on a wire-cut machine and it allows large hardened plates to have finished parts eroded from them as needed.
Small hole EDM is used to drill rows of holes into the leading and trailing edges of turbine blades used in jet engines, rendering high precision machining quality for the industry. Further, gas flow through these small holes would permit the engines to use higher temperatures than otherwise possible. Although there are several types of EDM processing nowadays and here in the section above we discuss one type about drilling which is largely adopted in the manufacturing of precision objects.
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