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Electromagnetic step-by-step forming method and device based on three coils

A technology of three coils and coils, which is applied in the field of electromagnetic step-by-step forming methods and devices, can solve the problems of uneven bulging of processed pipe fittings and difficult placement of molds, etc., so as to improve the forming quality of workpieces, reduce production costs and production cycles, and improve uniformity degree of effect

Pending Publication Date: 2021-02-23
湖北继扬电力科技有限公司
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Problems solved by technology

[0006] In view of the above defects or improvement needs of the prior art, the present invention provides an electromagnetic step-by-step forming method and device based on three coils, which solves the problems of uneven bulging of the existing suction pipe processing pipe fittings and difficulty in placing the mold.

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  • Electromagnetic step-by-step forming method and device based on three coils
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  • Electromagnetic step-by-step forming method and device based on three coils

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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0028] According to the electromagnetic step-by-step forming method and device based on three coils of the present invention, all three sets of coils are placed on the outside of the pipe, and the positions can be changed arbitrarily according to the workpiece forming requirements. Among them, the first group mainly generates the background magnetic field under the timing control of the long pul...

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Abstract

The invention discloses an electromagnetic step-by-step forming method and device based on three coils. The problems that in an existing attraction type pipe fitting machining mode, pipe fitting bulging is uneven, and a die is difficult to place are solved. The deformation uniformity of a pipe fitting can be improved through step-by-step forming, secondary machining is conducted on the most unevenmachined area of the pipe fitting, the pipe fitting is formed more evenly, no die is needed, and the problem that an attraction type pipe fitting bulging die is not easy to place is solved.

Description

technical field [0001] The invention belongs to the field of metal forming and manufacturing, in particular to an electromagnetic step-by-step forming method and device based on three coils, which are mainly used for rapid and uniform forming of metal pipe fittings. Background technique [0002] At present, metal pipe fittings are widely used in automobiles, aerospace and other fields to meet the needs of these industries for lightweight. Among them, the pipe fittings made of light alloys such as aluminum and magnesium are the frontier and hot spot of development. The commonly used electromagnetic processing technologies for pipe fittings, such as repulsive force pipe fitting bulging and suction pipe fitting bulging, still have a lot of deficiencies. In actual production and processing Middle pipe fittings tend to bulge unevenly. Therefore, there is an urgent need for a pipe processing method that can make the bulging of the pipe more uniform. [0003] The existing pipe fi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D26/14B21D31/04
CPCB21D26/14B21D31/04
Inventor 熊奇赵翔李盛飞李青山高顿李彦昕朱鑫辉
Owner 湖北继扬电力科技有限公司
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