Moldmakers rely on electrical discharge machining (EDM) routinely. EDM refers to wire, sinker and small-hole EDM. Sinker includes an electrode and a workpiece both submerged in dielectric fluid; wire uses a thin wire to cut with electricity; and, with small hole an electrode is a cylinder used to machine a hole. Considerations for EDM efficiency include depth, accuracy and finish, and components to consider include drives, generator, programming system and flushing. Other facets include wires, electrodes, graphite, filters and fluids.
Feature Articles

2017 Leadtime Leader Awards Honorable Mention: Concours Mold Inc.

This Canadian mold manufacturer identifies teamwork and quality as critical to its ability to drive continued success.
Feature Articles

An Added Layer of EDM Knowledge

Understanding electrode material selection and the relationship among the electrode, workpiece material and machine parameters can improve EDM efficiency.
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Electrodes Demonstrate Applications for Graphite

Poco Graphite manufactures more than 100 grades of graphite used in EDM, semiconductor and other industrial applications.

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