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Workpiece flanging analysis and control method for separating radial and axial electromagnetic forces

An analysis method and electromagnetic force technology, which is applied in the field of metal workpiece forming control, can solve the problems that it is difficult to optimize the design of the electromagnetic flanging device of the plate, and the contribution of the radial electromagnetic force flanging cannot be separated, so as to improve the quality of the workpiece flanging , the effect of optimizing the design

Active Publication Date: 2020-07-31
CHINA THREE GORGES UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, although this method can solve the problems existing in the electromagnetic flanging of plates, when studying the electromagnetic flanging of plates loaded with radial and axial electromagnetic forces at the same time, because the axial electromagnetic force and radial electromagnetic force are simultaneously loaded on the On the plate, it is impossible to separate the contribution of the radial electromagnetic force to the flanging, and it is difficult to optimize the design of the plate electromagnetic flanging device with radial-axial electromagnetic force time-sharing loading

Method used

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  • Workpiece flanging analysis and control method for separating radial and axial electromagnetic forces
  • Workpiece flanging analysis and control method for separating radial and axial electromagnetic forces
  • Workpiece flanging analysis and control method for separating radial and axial electromagnetic forces

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Embodiment 1

[0033] Such as Figure 1-3 As shown, the panel flanging analysis method that separates the radial and axial electromagnetic forces establishes an electromagnetic flanging model that includes the panel to be flanged, the drive coil, and the air domain. The model includes an electromagnetic module and a structural module. The electromagnetic module is used for Simulation calculation of radial electromagnetic force distribution Fr and axial electromagnetic force distribution Fz, the structure module is used to simulate and calculate the flanging effect of the panel, and the flanging analysis method of the panel includes the following steps,

[0034] Step 1: Use finite element software to establish the electromagnetic flanging model of the panel;

[0035] Step 2: Establish an electromagnetic module for the electromagnetic flanging model of the plate, and use the electromagnetic module to obtain the electromagnetic force distribution;

[0036] Step 2.1: Build an electromagnetic mo...

Embodiment 2

[0049] Such as figure 1and Figure 4 As shown, based on the simulation method of pipe flanging analysis of separated axial electromagnetic force, an electromagnetic flanging model including the pipe to be flanged, the driving coil, and the air domain is established. The model includes an electromagnetic module and a structural module, and the electromagnetic module is used for simulation calculations Radial electromagnetic force distribution Fr and axial electromagnetic force distribution Fz, the structure module is used to simulate and calculate the flanging effect of pipe fittings, and the flanging analysis method of pipe fittings includes the following steps,

[0050] Step 1: Use finite element software to establish the electromagnetic flanging model of pipe fittings;

[0051] Step 2: Establish an electromagnetic module for the electromagnetic flanging model of the pipe fitting, and use the electromagnetic module to obtain the electromagnetic force distribution;

[0052] ...

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Abstract

The invention belongs to the field of metal workpiece forming control, and discloses a workpiece flanging analysis method for separating radial and axial electromagnetic forces. An electromagnetic flanging model containing a to-be-flanged plate, a driving coil and an air domain is established, wherein the model comprises an electromagnetic module and a structure module; the electromagnetic moduleis used for simulating and calculating radial electromagnetic force distribution Fr and axial electromagnetic force distribution Fz, and the structure module is used for simulating and calculating theflanging effect of the plate; in a virtual loading mode, under the condition that the axial electromagnetic force distribution is kept completely consistent, the radial electromagnetic force is increased or decreased in proportion, and the influence degree of the radial electromagnetic force on the flanging effect is analyzed; or under the condition that the radial electromagnetic force distribution is kept completely consistent, the axial electromagnetic force is increased or decreased in proportion, and the influence degree of the axial electromagnetic force on the flanging effect is analyzed. The invention further discloses a corresponding workpiece flanging control method. Under the condition that the cost is not increased, the design of workpiece flanging is optimized, then workpieceflanging is controlled, and the workpiece flanging quality is improved.

Description

technical field [0001] The invention belongs to the field of forming control of metal workpieces, in particular to a workpiece flanging analysis and control method that separates radial and axial electromagnetic forces. Background technique [0002] As a green and flexible high-speed forming technology, electromagnetic forming technology perfectly meets the needs of the times and has significant advantages. According to the processing technology, electromagnetic forming can be divided into electromagnetic bulging, electromagnetic flanging, electromagnetic welding and so on. According to the processing object, electromagnetic flanging can be divided into electromagnetic flanging of pipe fittings and electromagnetic flanging of plate parts. The Chinese patent "A Device and Method for Electromagnetic Bulging and Flanging Synchronous Forming of Alloy Pipe Fittings" with publication number CN 104874664 A discloses a device and method for synchronous forming of electromagnetic bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D26/14B21D19/00
CPCB21D19/00B21D26/14
Inventor 苏攀田茜常鹏邱立江进波曹成
Owner CHINA THREE GORGES UNIV
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