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Magnetic field concentrator and process for forming metal parts by means of a high-energy magnetic pulse
Magnetic field concentrator and process for forming metal parts by means of a high-energy magnetic pulse
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机译:磁场集中器和通过高能磁脉冲形成金属零件的方法
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摘要
In order to form tubular metal parts which have fittings attached to them at one end, the fittings having larger external dimensions than the tubular parts themselves, for example piping with end connectors, demountable magnetic field concentrators are required which are constructed with at least two parts which enclose between them an opening with suitable dimensions for receiving the part to be formed. The magnetic field concentrator (1) therefore has a second opening (4) with larger diameter, that shares a line of intersection with the diameter (5) of the first opening (3), so that the contour of the larger opening (4) is attached to this line of intersection. The larger second opening (4) can be filled with a removable plug (6) acting as a field displacer, which is made of a metal with high electrical conductivity, the plug (6) having a cutout (7), extending the first opening (2), which together with the first opening (2) corresponds to the contour of the parts (8) to be formed. No individual parts and hinged joints which impair current transfer are therefore required in order to insert a metal part to be formed into the opening provided for it in the magnetic field concentrator (1).
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