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Production process of 6A02T6 container sections

A production process and container technology, applied in the field of production process of 6A02T6 container profiles, can solve the problems of high density, large deformation of profiles, low strength of joints, etc., and achieve the effects of excellent comprehensive performance, small dimensional deformation, and simple processing technology.

Active Publication Date: 2013-07-17
CHENGDU SUNSHINE ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the steel container is made of steel as the main material, which has the advantages of high strength, reliable structure, and high welding performance. However, the density of steel is relatively high, and the volume of the container is generally very large, which makes the overall mass of the container large and easy to handle. Difficult, and the corrosion resistance of steel containers is poor, exposed to the air for a long time, the surface of the container is corroded, and the service life is greatly reduced; FRP containers are made of FRP as the main material, which has the advantages of high strength, good rigidity, heat insulation, Anti-corrosion and chemical resistance are good, but its weight is still large, and it is easy to age, the joint strength is low, and

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0024] [Example 1]:

[0025] The production process of 6A02T6 container profile, it includes the following steps:

[0026] S1. Material preparation: select 6A02T6 aluminum alloy cast rods with surface roughness Ra less than 6.3μm, φ130mm and length 340mm;

[0027] S2, casting rod heating: put the casting rod into the rod furnace for heating, the heating temperature range of the casting rod in the rod furnace is controlled at 500℃, and the heating time is 6h;

[0028] S3. Heating of the extrusion device: the temperature of the extrusion cylinder is controlled at 400°C, the mold is heated in the mold heating furnace, and the temperature is controlled at 450°C, wherein the flat die is kept for 2.5 hours, and the split die is kept for 3 hours;

[0029] S4, extrusion molding: extrusion cylinder, mold and cast rod are heated after heating, and the extrusion speed is 6m / min;

[0030] S5. On-line quenching: the temperature range of the product at the outlet of the mold is 520 °C, an...

Example Embodiment

[0038] [Example 2]:

[0039] The production process of 6A02T6 container profile, it includes the following steps:

[0040] S1. Material preparation: select 6A02T6 aluminum alloy cast rods with surface roughness Ra less than 6.3μm, φ130mm and length 520mm;

[0041] S2, casting rod heating: put the casting rod into the rod furnace for heating, the heating temperature range of the casting rod in the rod furnace is controlled at 520℃, and the heating time is 5h;

[0042] S3. Heating of the extrusion device: the temperature of the extrusion cylinder is controlled at 430°C, the mold is heated in the mold heating furnace, and the temperature is controlled at 460°C, wherein the flat die is kept for 4 hours, and the split die is kept for 5.5 hours;

[0043] S4, extrusion molding: extrusion cylinder, mold and cast rod are heated after heating, and the extrusion speed is 8m / min;

[0044] S5. On-line quenching: the temperature range of the product at the outlet of the mold is 535 °C, an...

Example Embodiment

[0052] [Example 3]:

[0053] The production process of 6A02T6 container profile, it includes the following steps:

[0054] S1. Material preparation: select 6A02T6 aluminum alloy cast rods with surface roughness Ra less than 6.3μm, φ130mm, and length 620mm;

[0055]S2, casting rod heating: put the casting rod into the rod furnace for heating, the heating temperature range of the casting rod in the rod furnace is controlled at 530 ℃, and the heating time is 4h;

[0056] S3. Heating of the extrusion device: the temperature of the extrusion cylinder is controlled at 450°C, the mold is heated in the mold heating furnace, and the temperature is controlled at 470°C, wherein the flat die is kept for 5.5 hours, and the split die is kept for 8 hours;

[0057] S4, extrusion molding: extrusion cylinder, mold and cast rod are heated after heating, and the extrusion speed is 10m / min;

[0058] S5. On-line quenching: the temperature range of the product at the outlet of the mold is 550 °C, ...

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Abstract

The invention relates to a production process of 6A02T6 container sections. The production process includes the steps: (1), preparing; (2), heating cast rods in graded manner; (3), performing heat treatment to an extruding barrel and a die respectively; (4), extruding to be formed; (5), quenching on a production line; (6), stretching and leveling; (7), treating manually; (8), cutting finished products; and (9), packaging to be stored. During a production process, surfaces and forming conditions of the sections are detected at any time. The production process has the advantages that after extruding forming, quenching on the production line, stretching and treating manually, strength of extension of the sections is >/=240MPa, elongation rate is >/=8%, and Vickers hardness number is >/=14Hw, overall performance of the sections is good, and the finished container sections are high in strength and long in service life; surfaces of the sections are high; aluminum sections can be formed rapidly after being quenched on the production line, deformation amount of the finished sections is small, section rejection rate is low; and the production process is simple.

Description

technical field [0001] The invention relates to a processing technology of an aluminum alloy profile, in particular to a manufacturing process of a 6A02T6 container profile. Background technique [0002] Container refers to a large-scale loading container with certain strength, rigidity and specifications specially used for turnover. Using containers to transship goods can be directly loaded in the consignor's warehouse and unloaded in the consignee's warehouse. When changing vehicles or ships midway, there is no need to take out the goods from the box for repacking. The container installation and manufacturing materials can be divided into: steel container, aluminum alloy container and glass fiber reinforced plastic container. Among them, the steel container is made of steel as the main material, which has the advantages of high strength, reliable structure, and high welding performance. However, the density of steel is relatively high, and the volume of the container is g...

Claims

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Application Information

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IPC IPC(8): B23P15/00
Inventor 廖健
Owner CHENGDU SUNSHINE ALUMINUM
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