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Tool and method for assembling metal parts

A technology of electromagnetic coil and electromagnetic flux, which is applied in the direction of metal processing, metal processing equipment, electrical components, etc., can solve the problems of difficult to maintain position, obstruction, difficult automation, etc., and achieve the effect of easy relative positioning

Inactive Publication Date: 2008-04-02
RENAULT SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is difficult to maintain this position as the coils obstruct access to the parts to be assembled
It is therefore difficult to automate this assembly method for manufacturing in the long run

Method used

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  • Tool and method for assembling metal parts

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Embodiment Construction

[0031] As previously stated, the invention relates to an assembly tool 1 which allows a part 2 made of ferromagnetic material and a metal part 3 made of paramagnetic material to be assembled together. In the examples shown, the ferromagnetic material part 2 is a steel plate and the paramagnetic metal part 3 is an aluminum plate.

[0032] The tool 1 according to the invention is a pliers comprising first and second parts 4, 7 assembled together so as to allow the first and second parts to face each other in the planes of Figs. 1 and 2a-2d sports. These first and second parts 3 , 7 are assembled together to form a clamp allowing the parts 2 , 3 to be assembled to be clamped between the first and second abutments 5 , 8 .

[0033] In the plane of FIG. 1 , the first part 4 is movable relative to the second part 7 . To this end, the first and second parts are movable about an axis 16 perpendicular to the plane of the drawing, allowing the abutments 5, 8 to be selectively moved fur...

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PUM

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Abstract

A tool (1) for assembling a part (2) made of a ferromagnetic material with a part (3) made of a paramagnetic material comprises a first tool part (4) provided with a first abutment (5) and a first electromagnetic coil (6). The inventive tool also comprises a second part (7) provided with a second abutment (8), wherein sad second part (7) is mechanically assembled with the first part (4) in such a way that the first and second abutments (5, 8) are selectively approachable or remotable with respect to each other, the first electromagnetic coil (6) is used for generating an electromagnetic flux which enables the paramagnetic part (3) to be pushed towards the second abutment (8) and / or the ferromagnetic part (2) to be attracted thereto when said part(s) (2, 3) is / are placed between the first and second abutments (5, 8).

Description

technical field [0001] The invention relates in a general manner to the field of assembling metal parts by impact with the help of electromagnetic forces. [0002] More specifically, the invention relates to a tool for assembling parts made of ferromagnetic material and parts made of paramagnetic metallic material, comprising a first abutment and a first electromagnetic coil A first tool part. Background technique [0003] In order to assemble metal parts together, known methods consist in placing these parts in a strong electromagnetic field so that at least one of the parts is subjected to a strong acceleration generated by the field and moves rapidly towards another metal part . The kinetic energy acquired by the moving parts is absorbed during the impact between the two metal parts to be assembled. If the energy released during the impact is sufficient, the crystalline structures of the metal parts mix together to at least partially create a weld-like assembly between...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/06B23K20/227H05B6/10
CPCB23K2201/006H05B3/146B23K20/06B23K2201/18B23K20/2275B23K2203/20B23K2101/006B23K2101/18B23K2103/20Y10T29/53839B23K20/26
Inventor B·克里基
Owner RENAULT SA
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