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Electrohydraulic forming device

An electro-hydraulic forming and guiding device technology, applied in the field of electro-hydraulic forming devices

Active Publication Date: 2020-06-09
ADM28 S AR L
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Electrohydraulic forming device
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Examples

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Embodiment Construction

[0025] figure 1 is a schematic illustration of an electro-hydraulic forming apparatus 2 comprising a mold 4 having an upper portion 6, a lower portion 8, a housing 10, channels 12, a mold cavity 14 positioned within the lower portion 8, and electrodes 16.

[0026] Such an electrohydraulic forming device 2 can be arranged on a frame (not shown in the figures) made of metal or a metal alloy, for example of hardened steel.

[0027] The upper part 6 of the mold 4 in the embodiment shown in the figures is positioned above the lower part 8 of the mold 4 . The lower part 8 is secured to the upper part 6, for example by clamping means (not shown in the figures). Preferably, the mold 4 (comprising the upper part 6 and the lower part 8) is made of high density material, eg metal or metal alloy.

[0028] The housing 10 has a first region 18 , a second region 20 and a channel 12 . like figure 1 As shown, the housing 10 has a first wall 22 which is rotationally symmetric about the axis...

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Abstract

An electrohydraulic forming apparatus includes a mold with an upper portion and a lower portion, an enclosure having a first region, a second region, a mold cavity positioned in the second region, and electrodes having electrode tips positioned in the first region, wherein a piston is mounted so as to be movable in translation within a channel in a fluidtight manner and separates the first region from the second region of the enclosure.

Description

technical field [0001] The present invention relates to an electro-hydraulic forming device. Background technique [0002] Electrohydraulic forming devices are increasingly being used in the production of mechanical parts. These forming devices make it possible to obtain parts with a rather complex appearance, while at the same time controlling production costs. For example, the automotive industry and the aviation and aerospace industry employ such devices. [0003] The hydroforming process is a process of manufacturing by deformation. The hydroforming process enables plastic deformation of relatively thin metal parts. To achieve this deformation, a fluid is used which, under pressure, enables the deformation of the part on the mold. Various techniques are used to pressurize the fluid. [0004] One process employed is electrohydraulic forming. The process is based on the principle of electrical discharge in a fluid stored in a tank. The waves generated by the release...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D26/12
CPCB21D26/12
Inventor 埃兰·普劳特
Owner ADM28 S AR L
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