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Process and equipment for manufacturing wide-width magnesium alloy plate in coils

A magnesium alloy plate and magnesium alloy technology, applied in metal processing equipment, metal rolling, manufacturing tools, etc., can solve the problems of difficult control of plate shape, high investment, unsuitable for continuous production of coils, etc.

Inactive Publication Date: 2012-06-13
李跃华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is not suitable for continuous production in rolls
[0007]2. Finish rolling after extruding the billet. The advantage is that the material structure is good, it is easy to realize continuous production and supply in coils. The disadvantage is that the one-time investment is large, Shape control is difficult
[0008] It can be seen that the high cost caused by high investment in process equipment, low-efficiency production, and low yield limit the mass application of high-performance magnesium alloy rolled sheets

Method used

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  • Process and equipment for manufacturing wide-width magnesium alloy plate in coils
  • Process and equipment for manufacturing wide-width magnesium alloy plate in coils
  • Process and equipment for manufacturing wide-width magnesium alloy plate in coils

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0038] Such as figure 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10, and 11 show: a process for producing wide-width magnesium alloy plates in coils, which is to peel cast bars through milling—multiaxial forging— Mechanical processing - high temperature aging - bar heating - small tonnage extrusion machine extrusion - flattening - curling; the steps are as follows:

[0039] a. The as-cast magnesium alloy bar is milled and skinned to remove the surface casting cold layer; in the range of 230°C-350°C, 5 times of multi-axis forging are carried out, and the ￠600 round bar is machined;

[0040] b. Refine the microstructure of ￠600 round bar by 460°C high temperature aging to improve the extrusion performance and rolling performance of the material; make the magnesium alloy material undergo shrinkage porosity and shrinkage cavity, so that some small cracks are we...

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Abstract

The invention relates to the technical field of process and equipment for a new non-ferrous metal material and discloses a process and equipment for manufacturing a wide-width magnesium alloy plate. In the process, an as-cast rod material is subjected to milling face scaling, multi-axis forging, machining, high-temperature ageing, heating, extruding, flattening and coiling to finish the coiling production of the wide-width magnesium alloy plate. The equipment comprises a multi-axis forging machine, an extruding machine, a flattening machine and a coiling machine; the extruding machine, the flattening machine and the coiling machine are arrayed along a discharging axis of the magnesium alloy plate and are controlled by a synchronous control system, wherein the extruding machine is internally provided with a semi-circular or wavy arc-shaped extruding and distributing module; and a rod material heater is arranged at the inlet end of the extruding and distributing module. According to the invention, by utilization of the small-tonnage extruding machine and a mould in which an arc line between two points is longer than a straight line between the two points, the wide-width magnesium alloy plate which is larger than the size of the outlet of the extruding machine is produced in coils through an arc surface rolling and flattening machine for flattening an arc surface. The coiling production of the wide-width magnesium alloy plate can be finished with smaller investment.

Description

technical field [0001] The invention relates to the technical field of non-ferrous metal material processing and equipment, in particular to a process and equipment for producing wide-width magnesium alloy strips in coils. Background technique [0002] Magnesium is one of the most abundant elements on the earth. In current engineering applications, it is the metal material with the lightest mass (1.74g / cm3) and the highest specific strength. Compared with light engineering plastics, magnesium alloys have higher elasticity and Plastic deformation ability; compared with aluminum alloy (2.8g / cm3), magnesium alloy is not only light, but also has high anti-vibration and noise reduction ability, and has strong corrosion resistance, electromagnetic shielding performance, radiation protection performance, recycling rate Advanced advantages. Therefore, it is the most ideal and practical lightweight structural material in pillar industries such as transportation (automotive), aerospa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B21C23/02B21C25/02B21B3/00B21B27/02
CPCB21C35/023B21C23/06
Inventor 李跃华胡明德
Owner 李跃华
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