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Method and device for electromagnetically forming metal pipe fitting in radial and axial loading mode

A technology of metal pipe fittings and electromagnetic forming, which is applied in the field of metal forming manufacturing, can solve the problem of single loading, achieve the effect of reducing the amount of thinning, improving the forming limit and forming performance

Active Publication Date: 2013-11-27
湖北继扬电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The radial and axial two-way loading type electromagnetic forming method for metal pipe fittings proposed by the present invention can provide high-speed deformation experimental conditions for metal pipe fittings under different load forms, and provide new experimental means for the study of high-speed deformation mechanism of materials to solve the current problems of metal pipe fittings. Problems caused by electromagnetic forming due to single loading

Method used

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  • Method and device for electromagnetically forming metal pipe fitting in radial and axial loading mode
  • Method and device for electromagnetically forming metal pipe fitting in radial and axial loading mode
  • Method and device for electromagnetically forming metal pipe fitting in radial and axial loading mode

Examples

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Effect test

Embodiment 1

[0051] An electromagnetic processing device for metal pipe fittings, including a power supply system, a fixedly installed eddy current coil 5 and two magnetic field coils 6, the eddy current coil 5 and the two magnetic field coils 6 are connected to the power supply system, and the eddy current coil 5 is located between the two magnetic field coils 6 In the middle position, the metal pipe 7 is located outside the eddy current coil 5 and fixed, and the two magnetic field coils 6 are respectively located at the two ends of the metal pipe 7. Turn on the power supply system, the eddy current coil 5 and the magnetic field coil 6 generate a source current 1, the source current 1 generates an induced eddy current 2 in the metal pipe 7, and the metal pipe 7 area generates a radial magnetic field 3 and an axial magnetic field, and the induced eddy current 2 and the The radial magnetic field 3 interacts with the axial magnetic field to generate axial electromagnetic force 4 and radial el...

Embodiment 2

[0054] An electromagnetic processing device for metal pipe fittings, including a power supply system, a combined coil 9, the combined coil 9 is connected to the power supply system, the metal pipe 7 is located outside the combined coil 9 and fixed, the power supply system is turned on, and the combined coil 9 generates a source current 1, a source current 1 The induced eddy current 2 is generated in the metal pipe 7, and the area of ​​the metal pipe 7 generates a radial magnetic field 3 and an axial magnetic field, and the induced eddy current 2 interacts with the radial magnetic field 3 and the axial magnetic field to generate an axial electromagnetic force 4 and a radial electromagnetic force , drive the metal workpiece 7 to deform in the manner of axial compression and radial expansion, and complete the processing of the metal pipe 7 .

Embodiment 3

[0056] When the metal workpiece 7 needs overall bulging processing, it can be used figure 1 (a) Both ends of the workpiece shown in (a) are simultaneously loaded with an axially compressed pipe fitting electromagnetic bulging device or figure 1 (b) The two ends shown in (b) are simultaneously loaded with an axially stretched metal pipe fitting electromagnetic bulging device, and the two ends of the metal workpiece 7 are simultaneously loaded with an axial electromagnetic force to process the workpiece.

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Abstract

The invention discloses a method and a device for electromagnetically forming a metal pipe fitting in a radial and axial loading mode. The device mainly comprises an eddy current coil, magnetic field coils and power systems. The eddy current coil generates induced eddy currents, the magnetic field coils generate radial magnetic fields, and the eddy current coil and the magnetic field coils are powered by the power systems. The method and the device have the advantages that electromagnetic force can be radially and axially loaded simultaneously in a procedure for electromagnetically forming the metal pipe fitting, an electromagnetic force loading mode can be adjusted, and accordingly machining requirements of different workpieces can be met; the axial compression type pipe fitting is electromagnetically expanded, so that the thickness reduction of a pipe wall in an expansion procedure can be effectively reduced, the forming limit of a formed workpiece is increased, and the forming performance of the formed workpiece is improved; high-speed deformation experiment conditions in different load forms can be provided for metal pipe fittings by the method for electromagnetically forming the metal pipe fitting in the radial and axial loading mode, and novel experiment measures are provided for research on high-speed deformation mechanisms of materials.

Description

technical field [0001] The invention discloses a radial and axial two-way loading type electromagnetic forming method and device for metal pipe fittings, which are used for forming processing of metal pipe fittings and belong to the field of metal forming and manufacturing. Background technique [0002] Lightweight is an important technical means to achieve energy saving and emission reduction in aerospace, automobile industry and other fields. The main way to achieve lightweight is to use lightweight alloy materials. High-performance aluminum alloys, titanium alloys, and magnesium alloys have become the preferred materials for modern aerospace and automotive industries to achieve lightweight. However, light alloy materials have low forming plasticity at room temperature, poor local ductility, are prone to cracks, and have large springback. The processing effect of traditional processing technology is not ideal. An aluminum square box part for aerospace needs 5 times of dee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D26/14
Inventor 邱立
Owner 湖北继扬电力科技有限公司
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