Manufacturing method for producing aluminum alloy structural part for air cushion furnace production vehicle

A manufacturing method and aluminum alloy technology are applied in the field of manufacturing aluminum alloy structural parts for vehicles produced by air cushion furnaces, which can solve the problems of poor bending performance and low mechanical strength, and achieve good bending formability, reduced vehicle body weight, and good strength. and the effect of elongation

Inactive Publication Date: 2021-10-22
NORTHEAST LIGHT ALLOY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention aims to solve the problems of low mechanical strength and poor bending performance in the aluminum alloy structural parts for vehicles manufactured in the prior art, and adopts a method for producing aluminum alloy structural parts for vehicles using a hovering furnace

Method used

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  • Manufacturing method for producing aluminum alloy structural part for air cushion furnace production vehicle
  • Manufacturing method for producing aluminum alloy structural part for air cushion furnace production vehicle
  • Manufacturing method for producing aluminum alloy structural part for air cushion furnace production vehicle

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specific Embodiment approach 1

[0023] Specific implementation mode one: combine Figure 1 to Figure 2 Describe this embodiment mode, a kind of manufacturing method of hover furnace production aluminum alloy structural part for vehicle of this embodiment mode, it comprises the following steps:

[0024] Step 1, semi-continuous casting to obtain ingots of aluminum alloy structural parts for vehicles produced by hovering furnaces;

[0025] Step 2, milling the ingots of aluminum alloy structural parts for vehicles produced by the hovering furnace;

[0026] Step 3, heating the ingot after the surface milling of the aluminum alloy structural parts for vehicles produced by the hovering furnace;

[0027] Step 4, hot-rolling the ingots of the aluminum alloy structural parts produced by the hovering furnace for vehicles;

[0028] Step 5, cold-rolling the hot-rolled coils of aluminum alloy structural parts for vehicles produced by the hovering furnace;

[0029] Step 6, quenching the cold-rolled coils of aluminum all...

specific Embodiment approach 2

[0035] Specific implementation mode two: combination Figure 1 to Figure 2 Describe this embodiment. Step 3 of this embodiment is to heat the ingot after milling the aluminum alloy structural parts for vehicles produced by the hovering furnace. Hours, the metal temperature actually reaches 450-460°C. Others are the same as the first embodiment.

specific Embodiment approach 3

[0036] Specific implementation mode three: combination Figure 1 to Figure 2 Describe this embodiment. Step 4 of this embodiment is to heat the ingot of aluminum alloy structural parts for vehicles produced by a hovering furnace and then perform hot rolling. , 274mm, 244mm, 214mm, 184mm, 154mm, 124mm, 99mm, 69mm, 46mm, 28mm, 15mm, 5.8mm, the tolerance range of the thickness is ±0.10mm. Others are the same as those in Embodiment 1 or 2.

[0037] Specific implementation mode four: combination Figure 1 to Figure 2 To illustrate this embodiment, step 5 of this embodiment is to cold-roll the hot-rolled coils of aluminum alloy structural parts for vehicles produced by the hovering furnace, and the remaining thicknesses after the cold-rolling passes are cut off are 5.8mm, 4.7mm, and 3.9mm in sequence , 3.5mm, the tolerance range of the thickness is ±0.05mm. Others are the same as the specific embodiment 1, 2 or 3.

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Abstract

The invention discloses a manufacturing method for producing an aluminum alloy structural part for an air cushion furnace production vehicle. The invention particularly relates to a manufacturing method for producing a vehicle through an air cushion furnace. The manufacturing method aims to solve the problems of low mechanical strength and poor bending property of the aluminum alloy structural part for the vehicle manufactured in the prior art. The manufacturing method comprises the following steps of performing semi-continuous casting to obtain a cast ingot of the aluminum alloy structural part for the air cushion furnace production vehicle; milling the cast ingot of the aluminum alloy structural part for the air cushion furnace production vehicle; heating the cast ingot subjected to surface milling; heating the cast ingot and then carrying out hot rolling; carrying out cold rolling on a hot-rolled coil of the aluminum alloy structural part for the air cushion furnace production vehicle; quenching a cold-rolled coil of the aluminum alloy structural part for the air cushion furnace production vehicle; carrying out artificial aging on the quenched coil of the aluminum alloy structural part for the air cushion furnace production vehicle; inspecting the mechanical property and the bending property of the finished product coil of the aluminum alloy structural part for the air cushion furnace production vehicle; and cutting the finished product roll and then bending and forming the finished product roll for use. The invention discloses a manufacturing method for aluminum alloy for an air cushion furnace vehicle.

Description

technical field [0001] The invention relates to a method for manufacturing an aluminum alloy used in a hover furnace for a vehicle, in particular to a method for manufacturing an aluminum alloy structural part for a vehicle produced by a hover furnace. Background technique [0002] With the continuous progress of the development of science and technology, the lightweight of automobiles has a new development direction in terms of improving manufacturing quality and reducing energy consumption. When meeting the design strength requirements, the quality of aluminum alloy structural parts is much lower than that of steel structural parts, thereby reducing the load on the car body itself, thereby achieving the purpose of saving energy and reducing consumption. In practical applications, the advantages of automotive aluminum alloys are very obvious. However, the aluminum alloy structural parts for vehicles manufactured by the existing method have the problems of low mechanical st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00C22F1/04
CPCB23P15/00C22F1/04
Inventor 赵国奇张强徐宏大佟有志万旭刘玉龙谭艺哲邱大伟张雪濛徐洋
Owner NORTHEAST LIGHT ALLOY CO LTD
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