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Manufacturing process for door and window aluminum alloy

A manufacturing process, aluminum alloy technology, applied in the field of door and window aluminum alloy manufacturing process, can solve the problems of low strength and unsuitability of pure aluminum, achieve high heat conversion efficiency, and improve the effect of machining performance

Inactive Publication Date: 2017-08-04
合肥协耀玻璃制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the strength of pure aluminum is very low, and the σb value in the annealed state is about 8kgf / mm2, so it is not suitable for structural materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A manufacturing process for aluminum alloy doors and windows, comprising the following main steps:

[0021] Step 1: Raw material smelting, put the raw material for manufacturing aluminum alloy into a vacuum induction furnace for melting, the melting temperature is 1500°C, and the melting time is 12 hours, and the aluminum water is cast into a consumable electrode in a metal mold;

[0022] Step 2: Remelting and refining, the cast consumable electrode is subjected to vacuum arc remelting and refining or electroslag remelting and refining to make an electroslag ingot with a diameter of 10mm, and the melt casting temperature is 1300°C;

[0023] Step 3: hot forging treatment, the electroslag ingot is made into aluminum alloy liquid, and the aluminum alloy liquid is hot forged at a temperature of 1600 °C and a vacuum of 0.1 MPa. When the vacuum degree is 0.2 MPa, oxygen blowing decarburization is started. When the carbon content in the aluminum alloy liquid drops to 0.03%, st...

Embodiment 2

[0033] A manufacturing process for aluminum alloy doors and windows, comprising the following main steps:

[0034] Step 1: Raw material smelting, put the raw material for manufacturing aluminum alloy into a vacuum induction furnace for melting, the melting temperature is 1800°C, and the melting time is 13 hours, and the aluminum water is cast into a consumable electrode in a metal mold;

[0035] Step 2: Remelting and refining, the cast consumable electrode is subjected to vacuum arc remelting and refining or electroslag remelting and refining to make an electroslag ingot with a diameter of 50mm, and the melt casting temperature is 1400°C;

[0036] Step 3: hot forging treatment, the electroslag ingot is made into aluminum alloy liquid, and the aluminum alloy liquid is hot forged at a temperature of 1650 ° C and a vacuum of 0.3 MPa. When the vacuum degree is 0.2 MPa, oxygen blowing decarburization is started. When the carbon content in the aluminum alloy liquid drops to 0.03~0.0...

Embodiment 3

[0046] A manufacturing process for aluminum alloy doors and windows, comprising the following main steps:

[0047] Step 1: Raw material smelting, put the raw materials for manufacturing aluminum alloy into a vacuum induction furnace for melting, the melting temperature is 2000°C, and the melting time is 14 hours, and the aluminum water is cast into a consumable electrode in a metal mold;

[0048] Step 2: Remelting and refining, the cast consumable electrode is subjected to vacuum arc remelting and refining or electroslag remelting and refining to make an electroslag ingot with a diameter of 100mm, and the melt casting temperature is 1500°C;

[0049] Step 3: hot forging treatment, the electroslag ingot is made into aluminum alloy liquid, and the aluminum alloy liquid is hot forged at a temperature of 1700 °C and a vacuum of 0.6 MPa. When the vacuum degree is 0.22 MPa, oxygen blowing decarburization is started. When the carbon content in the aluminum alloy liquid drops to 0.05%,...

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PUM

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Abstract

The invention discloses a manufacturing process for aluminum alloy for doors and windows, which comprises the following main steps: raw material smelting, remelting and refining, hot forging treatment, slag removal, annealing treatment and solid solution. The present invention provides a manufacturing process for aluminum alloy doors and windows. Adding rare earth elements cerium and lanthanum to the steel can reduce the oxygen and sulfur elements in the molten steel so that the impurities in the finished steel are reduced. The oxygen blowing decarburization And high temperature denitrification can improve the machining performance of the alloy. At the same time, put the aluminum alloy raw material into the vacuum induction furnace for calcination, with high heat conversion efficiency, safe and reliable, and avoid impurities in the air from entering the aluminum alloy and affecting the purity of the aluminum alloy. .

Description

technical field [0001] The invention belongs to the field of material manufacturing, and in particular relates to a manufacturing process for aluminum alloys for doors and windows. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of industrial economy, the demand for welded structural parts of aluminum alloy is increasing day by day, so that the research on weldability of aluminum alloy is also in-depth. Aluminum alloy is currently the most widely used alloy. [0003] Aluminum alloy has low density, but relatively high strength, which is close to or exceeds high-quality steel. It has good plasticity and can be processed into various profiles. It has excellent electrical conductivity, thermal conductivity and corrosion resistance. It is widely used in industr...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/02C22F1/04
CPCC22C21/00C22C1/026C22F1/04
Inventor 魏芳芳
Owner 合肥协耀玻璃制品有限公司
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