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Manufacturing method of aluminum hub

A production method and technology of aluminum wheels, which are applied in the field of automotive supplies, can solve problems affecting vehicle driving safety, impact damage to the edge of the wheel hub, easy to be scratched, etc., to achieve the effect of ensuring safety performance and avoiding friction and wear

Inactive Publication Date: 2016-11-16
KAIPING ZHONGLV IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it will deform when encountering a strong external impact
Usually, the damage of the car hub is caused by external force, such as wear, fracture, notch, corrosion, depression, distortion, deformation, etc. Such problems will seriously affect the driving safety of the vehicle
However, the most common damage to the wheel hub is the damage to the edge of the wheel hub. The main manifestations are: first, the edge of the wheel hub is scratched and damaged, mainly because it is easy to be scratched when the wheel hub of the car rotates against the edge of the road; When accidentally hit by a hard object, it is easy to cause the edge to break; the third is the edge gap of the wheel hub. When the hard wheel hub is violently hit by stones or other hard objects, the edge of the wheel hub will usually be hit into a gap.
But this kind of repair also needs to spend a lot of time and money, and the safety performance cannot be guaranteed

Method used

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Embodiment Construction

[0020] The best embodiment of the present invention will be further described in detail below.

[0021] The manufacturing method of the aluminum wheel hub, each composition and mass percentage are: Cu2.2-4.9%; Mg0.2-1.8%; Mn0.3-0.9%; Si0.1-0.2%; Zn2-5%; Cr0.3-0.52%; Pr0.0001-0.002%; the rest is Al.

[0022] In further implementation, the components and mass percentages are: Cu3%; Mg1%; Mn0.6%; S0.2%; Zn3%; Cr0.4%; Pr0.001%;

[0023] Include the following steps:

[0024] (1) Prepare an integrated wheel hub mold;

[0025] (2) The middle layer of the hub mold is laid with a high temperature resistant formwork;

[0026] (3) In the hub mold, the hard aluminum alloy metal powder is laid layer by layer with the high temperature template as the support. After laying a layer of hard aluminum alloy metal powder with a thickness of 3mm, the hard aluminum alloy metal powder is melted with a laser beam, and then the next layer of 3mm is laid. thick duralumin metal powder and melt it wi...

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PUM

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Abstract

The invention discloses a manufacturing method of an aluminum hub. The aluminum hub comprises, by mass, 2.2%-4.9% of Cu, 0.2%-1.8% of Mg, 0.3%-0.9% of Mn, 0.1%-0.2% of Si, 2%-5% of Zn, 0.3%-0.52% of Cr, 0.0001%-0.002% of Pr and the balance Al. The aluminum hub is high in strength, good in tenacity and quality, high in machining precision, not prone to deformation, high in impact resistance and beneficial for product popularization.

Description

technical field [0001] The invention belongs to the technical field of automobile supplies, and in particular relates to a manufacturing method of an aluminum wheel hub. Background technique [0002] With the development of the motor vehicle industry, the output and stock of motor vehicles have increased, driving economic development and bringing convenience to people's travel. [0003] As the most intimate part of the road surface, the wheel hub is undoubtedly a vulnerable part on the car body, and the wheel hub is the most valuable part of the wheel. However, it will also deform when encountering a strong external impact. Usually, the damage to the wheel hub of a car is caused by external forces, such as wear, fracture, notch, corrosion, dent, distortion, deformation, etc. Such problems will seriously affect the driving safety of the vehicle. However, the most common damage to the wheel hub is the damage to the edge of the wheel hub. The main manifestations are: first, t...

Claims

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Application Information

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IPC IPC(8): C22C21/14C22C21/16C22C21/18C22C21/10C23C24/10C23G1/22
CPCC22C21/14C22C21/10C22C21/16C22C21/18C23C24/106C23G1/22
Inventor 黄房富
Owner KAIPING ZHONGLV IND
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