Process | Electrical-discharge machining (EDM) |
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EDM is used to machine very hard materials as used in e.g. tools and dies.
EDM can only be used on electrical conducting materials like metal. Sparks causes localized temperatures that melt the material and the waste material is then transported away with a dielectric fluid. EDM tools are often made from graphite. |
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Danish Name
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Gnistbearbejdning |
Category
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Reducing processes, Cutting |
Materials
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Metals |
Price notes
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Machining times are very long (hours to days). |
Environmen- tal notes
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Tool and dies Square hole |
Photo
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Thomas Nissen (Computer graphics) |
Copyright
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