The Name in Electrical Discharge Machining (EDM) is Hi-Tek!

Updated: Jul 21

EDM, an extraordinary technology, alternatively referred to as “spark machining” or “wire burning”, is a manufacturing process in which innumerable kinds of shapes are obtained utilizing electrical discharges or, what laypeople might call, sparks. In this seemingly magical process, material is removed from the piece being worked by a series of rapidly repeating current discharges between two electrodes that are separated by a dielectric liquid,  which is basically an electrical insulator in liquid form that can be polarized when an electric field is applied.

Electric Discharge Machining is surprisingly quite simple to explain when broken down:  An electrical spark is initiated between an electrode and the piece that is being shaped. The spark that is visibly emitted produces extreme heat that melts almost anything it contacts. This electrical spark is highly controlled and localized so that only the surface of the material being worked is affected. The liquid medium serves to cool and flush away any eroded metal particles eventually leaving behind a finished product.

Hi-Tek Manufacturing’s state-of-the-art electrical discharge machining services offer over 100 EDM machines that perform a wide variety of processes from the most staggeringly complex to simple, one-off operations. Hi-Tek’s equipment list consists of in-house designed and built fast hole machines, multi-axis CNC sinker machines, 3-axis sinker machines, a variety of EDM plunge equipment, and wire EDM machines. Holes can be produced as small as 0.001” and hold the true position to +/- 0.0005” and diameter tolerance to +/- 0.0002”.

The electrode manufacturing capabilities at Hi-Tek can produce stamped copper, brass tubes and rods, graphite, and tungsten rod electrodes and process holes in various forms such as cooling, round, shaped, pin seal, tip and non-line of sight, as well as non-hole features like slots, grooves, pockets, and notches. In other words, Hi-Tek is a one-stop shop!

To learn more about Hi-Tek’s cutting-edge electrical discharge machining (EDM) services, call today and discover why Hi-Tek lives up to its name.

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