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Special aluminum section bar for shower room and production process for special aluminum section bar

A production process and aluminum profile technology, applied in the direction of temperature control with electric mode, auxiliary controller with auxiliary heating device, etc., can solve the problems of insufficient chemical reaction, corrosion pits on the surface of aluminum alloy, and temperature control detection errors Large and other problems, to avoid the generation of yellow smoke, improve the environment, and improve the effect of large errors

Inactive Publication Date: 2017-07-04
上饶市鸿基铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Polished mirror aluminum is a commonly used high-grade decorative aluminum profile, especially widely used in shower rooms. For shower room aluminum profiles, the problem usually faced is corrosion, because it is easily affected by shampoo, The pollution of liquids such as bath liquid and water stains will cause corrosion, which will affect the appearance and safety, and chemical polishing can greatly improve the corrosion resistance of aluminum profiles
However, in the chemical polishing process, temperature control is very important. If the temperature is too high and the reaction is too large, a large number of corrosion pits will appear on the surface of the aluminum alloy, and the surface quality will deteriorate seriously. If the temperature is too low, sufficient chemical reactions cannot be produced. , affecting the polishing effect. Due to the different temperatures at various positions in the chemical polishing tank, the existing temperature control detection error is relatively large, and the accuracy of temperature control adjustment for the detection results needs to be improved.
On the other hand, due to the use of nitric acid, a large amount of yellow smoke will be produced under the action of high temperature, which will pollute the environment and cause damage to the health of workers.

Method used

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  • Special aluminum section bar for shower room and production process for special aluminum section bar

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Embodiment Construction

[0014] The special aluminum profile for shower rooms of the present invention includes the following chemical components (parts by weight): 0.3-0.65% of silicon Si, 0.15% of iron Fe, 0.2-0.25% of copper Cu, 0.05% of manganese Mn, and magnesium Mg0. 70-0.95%, zinc Zn0.05%, titanium Ti0.05%, and the balance is aluminum Al.

[0015] The production process of the present invention is as follows: including the steps of melting and casting, extrusion, pretreatment, mechanical polishing, chemical polishing and hole sealing.

[0016] The extrusion process is a key to ensure the quality of the subsequent surface treatment. In the extrusion step of the present invention, the mold heating temperature is 450-520 degrees, the mold heating time is less than 8 hours, and the extrusion speed is 20-50m / min.

[0017] The pre-treatment includes degreasing and alkali etching steps. The purpose of degreasing is to remove oil stains and wet the surface, which is the key to ensure uniform alkali was...

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Abstract

The invention discloses a special aluminum section bar for a shower room and a production process for the special aluminum section bar. The aluminum section bar comprises the following components in percentage by weight: 0.3-0.65% of silicon (Si), 0.15% of iron (Fe), 0.2-0.25% of copper (Cu), 0.05% of manganese (Mn), 0.70-0.95% of magnesium (Mg), 0.05% of zinc (Zn), 0.05% of titanium (Ti) and the balance Al. The production process for the special aluminum section bar comprises the steps of casting, extruding, pre-treating, mechanical polishing, chemical polishing and hole-sealing, wherein the temperature is controlled in a chemical polishing process; and when the slot temperature reaches an expected temperature, an additive is added into a chemical polishing slot, so that occurrence of yellow fume can be avoided. Online control is performed on the temperature value of the chemical polishing slot, the temperature of the chemical polishing slot can be precisely controlled, online control is realized, occurrence of yellow fume can be avoided, production efficiency can be improved, cost is reduced, and corrosion resistance of the section bar of the shower room is improved.

Description

technical field [0001] The invention relates to a special aluminum profile for a shower room and a production process, which is applied in the field of aluminum profile production. Background technique [0002] Mechanical polishing and chemical polishing are common methods to improve the appearance brightness of aluminum alloy products. Polished mirror aluminum is a commonly used high-grade decorative aluminum profile, especially widely used in shower rooms. For shower room aluminum profiles, the problem usually faced is corrosion, because it is easily affected by shampoo, The pollution of liquids such as bath liquid and water stains will cause corrosion, which will affect the appearance and safety. Chemical polishing can greatly improve the corrosion resistance of aluminum profiles. However, in the chemical polishing process, temperature control is very important. If the temperature is too high and the reaction is too large, a large number of corrosion pits will appear on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C23F3/03G05D23/32
CPCC22C21/08C23F3/03G05D23/32
Inventor 糜璨粲周金水彭飞
Owner 上饶市鸿基铝业有限公司
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