MMT ZONE: EDM

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MOST RECENT CONTENT: EDM

EDM Adds Spark to Metalcutting
2/20/2012 Production Machining

Electrical discharge machining (EDM), also known as spark erosion machining, is a nontraditional method of removing metal by a series of rapidly recurring electrical discharges (that are the equivalent of tiny lightning bolts) between an electrode (the cutting tool) and the workpiece in the presence of dielectric fluid.

Increase Profits Through Decreased EDM Electrode Wear
12/1/2011 MoldMaking Technology

Recent advancements in the technology behind low-wear capability have drastically improved the machining speeds at which low-electrode-wear application settings can be applied.

Wire EDM Solution
10/10/2011 MoldMaking Technology

FA30V

Reducing Energy Usage with Wire EDM
9/1/2011 MoldMaking Technology

Technology advances have helped make today’s EDMs environmentally friendly.

Strategic Partnerships Solidify Automotive Niche
9/1/2011 MoldMaking Technology

To further strengthen its reputation as a leading innovator in the marketplace, Proper has recently formed strategic alliances with German company KrausMaffei and Woburn, MA-based Trexel Inc.—two vastly different organizations with their own specialties.

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OVERVIEW:
EDM

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.

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