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Light-weight hub bearing unit and treatment method for pretreating laser additive

A laser additive, wheel hub bearing technology, applied in bearing components, wheel hubs, additive processing, etc., can solve the problems of increased cost, non-compliance with lightweight design, heavy parts weight, etc., and achieves the effect of ensuring the strength of use.

Pending Publication Date: 2021-04-02
ZHEJIANG WANXIANG PRECISION IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing hub bearings are mainly made of steel as a whole, resulting in a large weight of the entire component, which does not meet the requirements of lightweight design, and at the same time increases the cost of manufacturing, transportation, application, etc.

Method used

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  • Light-weight hub bearing unit and treatment method for pretreating laser additive

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with accompanying drawing:

[0017] Embodiment: As shown in the accompanying drawings, the lightweight hub bearing unit of this pretreatment laser additive mainly includes bearing inner ring 1, bearing rolling body 2, bearing outer ring 3, flange plate 4, cage 5, seal Structure 6, the bearing inner ring 1 is installed on one end of the flange 4, and the root of the journal of the flange 4 is provided with an outer raceway, and the outer raceway and the inner raceway of the bearing inner ring 1 form a double-row raceway of the hub bearing unit , The bearing rolling body 2 is installed between the double row raceways, the bearing rolling body 2 is kept fixed by the cage 5, and the bearing rolling body 2 forms include balls, cylindrical rollers, tapered rollers, and needle rollers. A bearing outer ring 3 is installed on the outer side of the bearing rolling body 2 , and a sealing structure 6 is arranged...

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Abstract

The invention discloses a light-weight hub bearing unit and a treatment method for pretreating laser additive. A bearing inner ring and the like are mainly included, the bearing inner ring is installed at one end of a flange plate, an outer side raceway is arranged at the root of a journal of the flange plate, and the outer side raceway and an inner side raceway of the bearing inner ring form double rows of raceways of the hub bearing unit. A bearing rolling body is installed between the double rows of raceways and kept fixed by a retainer, a bearing outer ring is installed on the outer side of the bearing rolling body, and sealing structures are arranged between the bearing outer ring and the bearing inner ring and between the bearing outer ring and the flange plate. According to the light-weight hub bearing unit and the treatment method, the lightweight purpose of the hub bearing unit is achieved by taking a light-weight aluminum alloy material as a base body material; after a base body with the strength requirement is locally pretreated, iron powder and other reinforcing materials are cladded to the corresponding positions through the laser additive manufacturing technology, andthe using strength requirement of the hub bearing unit is guaranteed while light weight is achieved; and meanwhile, the additional characteristics of corrosion resistance, wear resistance, heat resistance and the like are obtained through regulation and control by different cladding materials.

Description

technical field [0001] The invention relates to the field of wheel hub bearings, in particular to a lightweight wheel hub bearing unit and a processing method for preprocessing laser material addition. Background technique [0002] A hub bearing is an automotive component that carries weight and provides precise guidance for the rotation of the hub. The existing wheel hub bearings are mainly made of steel as a whole, resulting in a large weight of the entire component, which does not meet the requirements of lightweight design, and at the same time increases the cost of manufacturing, transportation, application and other aspects. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a lightweight hub bearing unit and a processing method for preprocessing laser additive materials. [0004] The object of the present invention is accomplished through the following technical solutions: the lightw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/64F16C33/62F16C33/58C23C4/129C23C24/10B33Y10/00B60B27/00
CPCB60B27/001B33Y10/00C23C24/10C23C4/129F16C33/585F16C33/62F16C33/64
Inventor 周旭汪峰
Owner ZHEJIANG WANXIANG PRECISION IND
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