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Narrow aluminum plate for bending and shaping method of narrow aluminum plate for bending

A forming method and aluminum plate technology, which is applied in the field of aluminum profiles, can solve the problems of unsatisfactory performance, unguaranteed connection strength, and easy breakage, and achieve the effects of not being easy to break, ensuring bending performance and strength, and high connection strength

Active Publication Date: 2020-03-10
江苏中福铝镁科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the tensile properties of the existing aluminum ingot extrusion cannot meet the requirements, and it is easy to break when bending after grooving, and the connection strength cannot be guaranteed.

Method used

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  • Narrow aluminum plate for bending and shaping method of narrow aluminum plate for bending
  • Narrow aluminum plate for bending and shaping method of narrow aluminum plate for bending

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A narrow aluminum plate for bending, containing the following substances in mass percentages:

[0034] Si 0.32-0.34%, Fe≤0.12%, Cu≤0.01%, Mn≤0.01%, Mg 0.45-0.48%, Zn≤0.01%, Cr≤0.01%, Ti 0.01-0.025%, the amount of individual impurities≤0.01% , the sum of impurities ≤ 0.1%, the rest is Al.

[0035] It should be noted that the balance is Al, which means that in the composition of the aluminum alloy billet of the present invention, the balance except Si, Fe, Cu, Mn, Mg, Cr, Zn, Ti and other elements is Al, and Al and Si , Fe, Cu, Mn, Mg, Cr, Zn, Ti and other elemental components and the weight percentages of impurities are 100%.

[0036] The aluminum material has good tensile properties, high connection strength, the tensile strength is 195Mpa, the yield strength is 170Mpa, and the elongation is 13%.

Embodiment 2

[0038] The method for forming a narrow aluminum plate for bending is characterized in that it comprises the following steps:

[0039] S10, making a billet, the billet is cylindrical;

[0040] S20, heating the mold, heating the mold to 470±20°C, and then keeping it warm for 4-8 hours;

[0041] S30, heating the billet, heating the billet to 500±20°C;

[0042] S40, heating the ingot cylinder, heating the ingot cylinder to 450±10 degrees Celsius;

[0043] S50, extruding, extruding the billet, the extrusion speed is 1.8-2mm / s, and the outlet temperature is 510-545°C;

[0044] S60, cooling, the extruded profiles are air-cooled first, and then naturally cooled;

[0045] S70, interrupt sawing, cut off according to the length requirement;

[0046] S80, aging treatment, aging treatment is performed in an aging furnace, and the temperature is kept at 175±20° C. for 1-3 hours.

[0047] Heating the mold and billet to make the temperature close to each other during extrusion can improv...

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Abstract

The invention relates to an aluminum section material, in particular to a narrow aluminum plate for bending. The narrow aluminum plate for bending contains the following substances in percentage by mass of 0.32-0.34% of Si, less than or equal to 0.12% of Fe, less than or equal to 0.01% of Cu, less than or equal to 0.01% of Mn, 0.45-0.48% of Mg, less than or equal to 0.01% of Zn, less than or equalto 0.01% of Cr, 0.01-0.025% of Ti, less than or equal to 0.01% of single impurities, less than or equal to 0.1% of total impurities, and the balance Al. The narrow aluminum plate for bending providedby the invention is good in stretching properties, is difficult to break when being used for bending after groove cutting, and is high in connecting strength after being bent.

Description

technical field [0001] The invention relates to an aluminum profile, in particular to a narrow aluminum plate for bending and a forming method thereof. Background technique [0002] The display lifting bracket is made of narrow aluminum plate, and the bracket is concave, such as figure 1 As shown, at present, three narrow aluminum plates are mostly spliced ​​together, and the strength of the spliced ​​bracket is poor, and the splicing seam is obvious, which affects the appearance. In order to improve the appearance and strength, welding is also used, but welding makes it difficult to grind later, and the rounded corners of the grinding cannot be guaranteed to be consistent. [0003] In order to solve the above problems, the method of bending is now adopted. In order to ensure the strength of the bracket, such as figure 2 As shown, the thickness of the narrow aluminum plate is 5.5mm, and the narrow aluminum plate is a thick plate. Bending causes severe stretching of the ou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22F1/047B21C37/02
CPCC22C21/08C22F1/047B21C37/02
Inventor 徐瑞福赵永波徐沁崔琛
Owner 江苏中福铝镁科技有限公司
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