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Electrical discharge machining (or EDM) is a machining method primarily used for hard metals or those that would be impossible to machine with traditional techniques. One critical limitation, however, is that EDM only works with materials that are electrically conductive.
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Where Wire EDM Is A Workhorse
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This shop finds the process practical, productive and predictable, an indispensable technology that supports all of its manufacturing capability.
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EDMs/lasers/sawing/welding
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PC control, adaptive control, and automated material handling pallet devices continue to produce high productivity for EDM, in both sinker and wire types, with finer finishes always the goal of future developments.
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Wire EDM In The Extreme
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Although it was founded in 1978 as a wire EDM shop in Minneapolis, Minnesota, Specialty Tool & Engineering has roots that go back to some of the earliest days of wire EDM in the United States. A number of the people who were involved in its startup had been part of Andrews Engineering, one of the first companies to introduce wire EDM equipment in this country.
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Wire EDM Goes Horizontal
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Wire EDM (electrical discharge machining) has been configured with the wire in a vertical orientation for decades, so the appearance of a wire machine that orients the wire horizontally is truly a novel development.
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Micro “Turning” Using Wire EDM
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It’s challenging to accurately turn or grind miniature round parts. That’s because the pressure that tools or grinding wheels exert on parts such as the micro electrode on page 56 can cause the parts to deflect, making it difficult to achieve accurate concentricity.
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