Tool coils for or magneforming (or electromagnetic forming = EMF) of complex, 3D shaped parts were previously wound from wires or produced by complex processes such as milling and wire eroding. The milling process is necessary to produce the outer contour. Wire eroding is used to create the winding structures, whereby it should be noted, that a 3D design is very limited. The invention concerns to special coils for EM forming and for a method for their production, wherein the current-carrying coil body is additively manufactured using a rapid prototyping method (laser melting, etc.).
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Dipl.-Ing. Alfred Schillert
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