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Forming device for machining complex variable section small-scale tubes and forming method

A forming device and variable cross-section technology, which is applied in the direction of forming tools, metal processing equipment, manufacturing tools, etc., can solve the problems of inability to realize the installation of designed coils, difficult density control, and inability to apply variable cross-section small-size tube forming work, etc. Achieve the effect of simple shape, lower manufacturing cost, and easy manufacturing

Inactive Publication Date: 2016-06-15
SHENYANG POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the inner diameter of the variable cross-section small-size tube is small, and the traditional coil has a certain cross-sectional size, on the one hand, it is difficult to control the density of the traditional coil winding method, and because the inner diameter of the variable cross-section small-size tube is small, it is also impossible Realize the installation of the designed coil, so the electromagnetic forming process cannot be applied to the forming work of small-sized tubes with variable cross-sections

Method used

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  • Forming device for machining complex variable section small-scale tubes and forming method
  • Forming device for machining complex variable section small-scale tubes and forming method
  • Forming device for machining complex variable section small-scale tubes and forming method

Examples

Experimental program
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Effect test

Embodiment

[0035] Embodiment: Add pins in a non-magnetic half-mold 2, close the other half-mold 2, and then put the aluminum alloy tube blank 5, so that the aluminum alloy tube blank 5 is placed in the model groove 7 in the two half-molds 2 Inside, the magnetic coil 9 is put into the middle of the hollow tube blank 5, the two ends of the magnetic coil 9 metal pipe 1 are placed on the positioning grooves 6 in the two halves of the mold 2, and the magnetic coil 9 two ends are respectively connected to two stages of power supply. Then put the two locking collars 4 on the outside of the forming die, and clamp them in a stepped manner to fix them. Connect the magnetic coil 9 into the electromagnetic forming machine, start the power supply and charge the high voltage capacitor first, after the charging capacitor is fully charged, check the wiring of the main circuit, and after confirming that it is correct, start the instantaneous discharge button to complete the instantaneous discharge. Under...

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Abstract

The invention discloses a forming device for machining complex variable section small-scale tubes and a forming method, belongs to the technical field of forming of variable section small-scale tubes (phi 10 mm or above), and particularly relates to a forming device for machining complex variable section small-scale tubes and a forming method. The invention provides a forming device for complex variable section small-scale tubes, which replaces a traditional coil by a magnetic coil based on controllable degree of closeness, and is simple to operate and high in product precision. The forming device comprises a nonmagnetic die body and a magnetic coil, wherein a model slot is formed in the die body; the forming device is characterized in that the magnetic coil is a metal tube; the metal tube, corresponding to the model slot, is provided with a spiral coil part machined in a spiral machining way.

Description

technical field [0001] The invention belongs to the technical field of forming small-sized pipes with complex variable cross-sections (φ10mm and above), and specifically relates to a forming device and a forming method for processing small-sized pipes with complex variable cross-sections. Background technique [0002] Small-sized pipes with complex variable cross-sections (φ10mm and above) are widely used in various industries such as aerospace, construction, and electric power. The main production methods are: 1. Prefabricated hollow pipes, which are expanded to form small-sized pipes with complex variable cross-sections. After being cast into a billet, it is rolled or extruded into a hollow pipe, and then through the bulging process, the processing of small-sized pipes with complex variable cross-sections is realized. However, this method has many procedures and low metal utilization rate; it can also be cast into a hollow tube blank first, and a small amount of deformatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D26/14B21D37/10
CPCB21D26/14B21D37/10
Inventor 王哲英王哲峰马明旭
Owner SHENYANG POLYTECHNIC UNIV
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