Adjustable high-frequency vibration assisted electromagnetic forming device and method

A high-frequency vibration, electromagnetic forming technology, applied in the direction of improving energy efficiency and process efficiency, can solve the problems of workpiece deformation, difficulty in forming depth to meet requirements, low amplitude, etc., to achieve uniform current, reduce yield strength and flow. Stress, the effect of improving the service life

Active Publication Date: 2022-07-12
XIAMEN UNIV +1
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Problems solved by technology

[0004] The disadvantage is that when the electromagnetic forming technology is used to plastically deform low-conductivity high-strength metals, the amplitude of the induced eddy current generated by the workpiece through electromagnetic induction is low, and the resulting Lorentz force is usually not enough to deform the workpiece , or the forming depth is difficult to meet the demand

Method used

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  • Adjustable high-frequency vibration assisted electromagnetic forming device and method
  • Adjustable high-frequency vibration assisted electromagnetic forming device and method
  • Adjustable high-frequency vibration assisted electromagnetic forming device and method

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Embodiment Construction

[0035] The present invention will be further described below through specific embodiments.

[0036] A certain intensity of vibration can effectively reduce the flow stress and deformation resistance of the metal material, increase the elongation, and significantly change the forming properties of the material, which helps to enter the plastic stage earlier and reduce the energy required for the forming of the workpiece. Combined with electromagnetic forming technology, it is expected to greatly improve the forming limit and forming quality of materials, effectively solve the problems of difficult deformation and unsatisfactory forming depth, and provide a promising new way for the forming and manufacturing of lightweight materials.

[0037] In this embodiment, the present invention is applied to the sheet metal forming process. figure 1 The overall schematic diagram of the electromagnetic forming device assisted by adjustable high-frequency vibration.

[0038] like Figure 1...

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Abstract

The invention provides an adjustable high-frequency vibration auxiliary electromagnetic forming device. The adjustable high-frequency vibration auxiliary electromagnetic forming device comprises a background magnetic field module, a high-frequency vibration auxiliary module and an electromagnetic forming module. The background magnetic field module provides a background magnetic field for the workpiece; the high-frequency vibration auxiliary module provides alternating current for the workpiece, so that the workpiece generates high-frequency vibration; the electromagnetic forming module is used for providing pulse large current for the workpiece to generate pulse electromagnetic force, so that the workpiece is deformed; according to the method, the service life of the coil can be effectively prolonged, the forming performance of the metal material can be effectively improved, particularly, the forming difficulty of the low-conductivity metal material is reduced, and forming control is more flexible.

Description

technical field [0001] The invention relates to the field of metal forming, in particular to an electromagnetic forming device and method assisted by adjustable high-frequency vibration. Background technique [0002] Lightweight is an important technical means to improve the control stability, bearing limit capacity, fuel consumption, and energy saving and emission reduction of carrier devices. Transportation, aerospace, military and other fields have high requirements for the forming of high-performance and lightweight components, but the forming properties of various lightweight alloy materials at room temperature are limited, and problems such as springback, wrinkling, and cracking are prone to occur. , it is difficult to achieve the ideal forming effect. [0003] Electromagnetic forming is one of the hot research directions to break through the bottleneck of existing metal material processing technology. It has the characteristics of high speed, non-contact, simple tool...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D26/14
CPCB21D26/14Y02P10/25
Inventor 黄澜涛冯文靖曾金丁梓楠张辰威
Owner XIAMEN UNIV
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