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A production method of aluminum alloy strip in 1100-h14 state for processing high-end cosmetic bottle caps

A production method and cosmetic technology, applied in the field of 1100-H14 state aluminum alloy strip production, can solve the problems such as whether the earring rate can meet the requirements, the surface quality cannot meet the surface requirements of advanced oxidation appearance materials, etc.

Active Publication Date: 2020-10-27
河南明晟新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common aluminum alloys and states used for bottle caps on the market are: 8011-H14 / H16 or 3003-H16, etc., but the anodic oxidation effect of high-end cosmetic bottle cap materials made of these two aluminum alloys is not ideal
[0005] The surface quality of aluminum alloy sheets and strips produced by the traditional 1100-H14 production process cannot meet the surface requirements of advanced oxidation appearance materials, and the thickness of aluminum alloy sheets and strips is above 1.0mm
The invention patent with the authorized notification number CN 103009010 B discloses a 1100-H14 aluminum alloy plate and strip and its production method. The production process includes: melting and casting, sawing, milling, heating, hot rolling and cold rolling, although the improved The hot rolling process is adopted, but the thickness of the finished product is still more than 1mm after cold rolling, and it is not known whether the ear making rate can meet the requirements when it is used to process high-grade cosmetic bottle cap materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for producing a 1100-H14 state aluminum alloy strip for processing high-end cosmetic bottle caps, comprising the following steps:

[0035] Step a: smelting, the smelting temperature is 700°C, and the smelting time is 5h; the mass percentages of the components in the smelted aluminum alloy are: Si: 0.127%, Fe: 0.393%, Cu: 0.188%, Mn: 0.0034%, Mg : 0.00085%, Ti: 0.027%, the total of other impurities ≤ 0.05%, and the rest is Al.

[0036] Step b: using semi-continuous ingot casting, the casting temperature of semi-continuous ingot casting is 715° C., and the casting speed is 55 mm / min.

[0037] Step c: the ingot is kept at 600±15° C. for 12 hours for homogenization heat treatment, and the head and tail are cut and face milled.

[0038] Step d: Heat the ingot to 530°C and keep it warm for 3 hours. Using a 1+1 hot rolling unit, hot rough rolling is performed first, and after 17 passes of rolling, the ingot is roughly rolled to a thickness of 35mm, and then hot and f...

Embodiment 2

[0046] A method for producing a 1100-H14 state aluminum alloy strip for processing high-end cosmetic bottle caps, comprising the following steps:

[0047] Step a: smelting, the smelting temperature is 720°C, and the smelting time is 5h; the mass percentages of the components in the smelted aluminum alloy are: Si: 0.125%, Fe: 0.381%, Cu: 0.161%, Mn: 0.0038%, Mg : 0.00095%, Ti: 0.031%, the total of other impurities ≤ 0.05%, and the rest is Al.

[0048] Step b: using semi-continuous ingot casting, the casting temperature of semi-continuous ingot casting is 715° C., and the casting speed is 55 mm / min.

[0049] Step c: the ingot is kept at 600±15° C. for 12 hours for homogenization heat treatment, and the head and tail are cut and face milled.

[0050] Step d: Heat the ingot to 525°C and keep it warm for 4 hours. Using a 1+1 hot rolling unit, first hot rough rolling, after 17 passes of rolling, rough rolling the ingot to a thickness of 35mm, and then hot finish rolling to For a 9...

Embodiment 3

[0058] A method for producing a 1100-H14 state aluminum alloy strip for processing high-end cosmetic bottle caps, comprising the following steps:

[0059] Step a: smelting, the smelting temperature is 750°C, and the smelting time is 5 hours; the mass percentages of the components in the smelted aluminum alloy are Si: 0.136%, Fe: 0.417%, Cu: 0.173%, Mn: 0.0042%, Mg: 0.00086%, Ti: 0.026%, other impurities ≤0.05% in total, and the rest is Al.

[0060] Step b: using semi-continuous ingot casting, the casting temperature of semi-continuous ingot casting is 710° C., and the casting speed is 55 mm / min.

[0061] Step c: the ingot is kept at 600±15° C. for 12 hours for homogenization heat treatment, and the head and tail are cut and face milled.

[0062] Step d: Heat the ingot to 530°C and keep it warm for 4 hours. Using a 1+1 hot rolling unit, first hot rough rolling, after 17 passes of rolling, rough rolling the ingot to a thickness of 35mm, and then hot finish rolling to For a 9.0...

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Abstract

The invention belongs to the technical field of aluminum alloy processing, and discloses a production method for a 1100-H14 state aluminum alloy strip for processing a high-end cosmetic bottle cap. The production method comprises the following steps of smelting, adopting of a semi-continuous-method casting ingot, homogenizing heat treatment, head cutting, tail cutting and face milling, hot rolling, primary cold rolling, primary intermediate annealing, secondary cold rolling, secondary intermediate annealing, third-time cold rolling until the finished product thickness is 0.7 mm or less, cleaning and tension correction. By means of the production method, the hot rolling and cold rolling processes are optimized, the rolling texture and the annealing texture after a heat treatment system andfinal cold rolling deformation are balanced, the rolled finished product thickness is less than 1 mm, meanwhile, the earing ratio after material punching is reduced, the high surface characteristics of the material after anodic oxidation and coloring are ensured, the color is uniform after oxidation and coloring, and the appearance is high in metal texture, and the using requirements of high-end cosmetic cover material substrates are met.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy processing, and in particular relates to a production method of a 1100-H14 state aluminum alloy strip used for processing high-end cosmetic bottle caps. Background technique [0002] As a new type of bottle cap sealing material, aluminum alloy bottle cap material is widely used in the outer sealing packaging of wine bottles, can bottles, medicine bottles, and cosmetic caps. The performance, size deviation, ear making rate and other requirements are very strict, otherwise there will be cracks, creases, etc., which will seriously affect the punching effect and yield. [0003] With the improvement of people's living standards, the production of cosmetic caps is becoming more and more high-end. The high-end cosmetic bottle cap materials on the market have developed from traditional painting to anodic oxidation and electrolytic coloring / dyeing. Because the bottle cap material forms a dense oxid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B37/28B21B37/44B21B15/00C22C21/00C22F1/04
CPCB21B15/00B21B37/28B21B37/44B21B2015/0064C22C21/00C22F1/04
Inventor 宋喜波柴明科李克振李坤朋
Owner 河南明晟新材料科技有限公司
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