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Continuous deformation magnesium alloy extruding method

A technology of deformed magnesium alloy and extrusion method, which is applied in metal extrusion, metal extrusion control equipment, indenter/punch and other directions, can solve the problems of low extrusion cost, low extrusion energy consumption and high efficiency, Achieve the effect of low extrusion cost, low production energy consumption and high efficiency

Inactive Publication Date: 2007-06-06
HUNAN HUAKANG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a continuous extrusion method of deformed magnesium alloy to solve the shortcomings of the existing extrusion process, and the extrusion energy consumption is low, the extrusion cost is low, and the efficiency is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] A continuous extrusion method of wrought magnesium alloy is to make AZ31 type magnesium alloy ingot billet through a 1250t hot extruder or melted in a melting furnace through a horizontal crystallizer to produce a diameter of 10-20mm (depending on the size of the finished pipe It depends on) wrought magnesium alloy round wire blank, the surface passes HNO 3 After pickling and water rinsing and drying, it is sent to the modified domestic LJ300 aluminum continuous extruder through the feeding wheel to be extruded. By adjusting the contact length and operating gap between the extrusion wheel surface and the arc surface of the groove seal block, Extrusion force is generated between the wrought magnesium alloy billet and the grooved rotating extrusion wheel, and the friction generates heat, and the wrought magnesium alloy billet is directly extruded in the die with a continuous large shear deformation to produce AZ31 magnesium of φ8×1mm Alloy pipes to AZ31 magnesium alloy pipes ...

Embodiment 2

[0012] A continuous extrusion method of wrought magnesium alloy is to make AZ31 magnesium alloy ingot billet through a 1250t hot extruder or melted in a melting furnace, and then through a horizontal crystallizer to make a diameter of 10-20mm (depending on the size of the finished profile) It depends on) wrought magnesium alloy round wire blank, the surface passes HNO 3 After pickling and water rinsing and drying, it is sent to the modified domestic LJ900 aluminum continuous extruder through the feeding wheel to be extruded. By adjusting the contact length and operating gap between the extrusion wheel surface and the arc surface of the groove seal block, Extrusion force is generated between the wrought magnesium alloy billet and the grooved rotating extrusion wheel, and the friction generates heat, and the wrought magnesium alloy billet is directly extruded in the die by continuous large shear deformation to 20×10×2mm, etc. Specification "T" magnesium alloy profile; during the ext...

Embodiment 3

[0014] A continuous extrusion method of wrought magnesium alloy is to make AZ31 magnesium alloy ingot billet through a 1250t hot extruder or melted in a melting furnace, and then through a horizontal crystallizer to make a diameter of 10-20mm (depending on the size of the finished profile) It depends on) wrought magnesium alloy round wire blank, the surface passes HNO 3 After pickling and water rinsing and drying, it is sent to the modified domestic LJ500 aluminum continuous extruder through the feeding wheel for extrusion. The contact length and operating gap between the extrusion wheel surface and the arc surface of the groove seal are adjusted to make Extrusion force is generated between the wrought magnesium alloy billet and the grooved rotating extrusion wheel, and the friction generates heat, and the wrought magnesium alloy billet is directly extruded in the die with a continuous large shear deformation to form a φ8-φ18mm magnesium alloy Wire: During the extrusion process, t...

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Abstract

The present invention is continuous deformation magnesium alloy extruding method, and belongs to the field of non-ferrous metal plastic forming technology. The technological scheme includes extruding deformation magnesium alloy wire blank in a continuous rotary extruder and regulating the contact surface length and running interval between the extruding wheel and the block so as to produce extrusion force between the deformation magnesium alloy blank and the rotary extruding wheel and friction heat for extruding the blank in the mold into product in continuous great shearing deformation mode. The product of the present invention may be used widely in aerospace, aviation, communication, computer, traffic and other fields.

Description

Technical field [0001] The invention belongs to the technical field of non-ferrous metal plastic forming, and relates to a continuous extrusion method for deformed magnesium alloy pipes, profiles and wires. Background technique [0002] Wrought magnesium and magnesium alloys have significant advantages such as low specific gravity, high specific strength and specific rigidity, low raw material prices, and good recyclability. In recent years, they have been widely used in aerospace, aviation, communications, computers, transportation, automobiles, machinery, etc. field. At present, the application of wrought magnesium and magnesium alloys is mainly die-casting. However, due to the limitation of die-casting mechanical properties and the limitation of its metal flow properties, wrought magnesium and magnesium alloys are difficult to prepare into large and thin-walled components, and the yield is relatively high. Low, about 10%, therefore limits the application of magnesium and magne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C31/00B21C23/21B21C26/00B21C33/00
Inventor 郭道强张辉刘诗安陈水先
Owner HUNAN HUAKANG NEW MATERIAL
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