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High-strength lightweight hub and making method thereof

A lightweight and high-strength technology, applied to wheels, wheels made of non-metallic materials, instruments, etc., can solve the problems of rough manufacturing, large inertial power assistance, and heavy weight, and achieve the effect of reducing weight and improving strength

Inactive Publication Date: 2019-10-18
SHEN ZHEN QIANHAI SCICORE 3D TECH CO LTD
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention aims at the problems of heavy weight, large inertial power boost and rough manufacture of existing automobile hubs.

Method used

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  • High-strength lightweight hub and making method thereof
  • High-strength lightweight hub and making method thereof
  • High-strength lightweight hub and making method thereof

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Embodiment Construction

[0028] 1. Optimum design of high light weight and light weight automobile wheel hub.

[0029] After finite element analysis, on the stiffness constraints of the automobile hub, the stiffness of the hub can be measured by the overall deformation of the hub. Assume that the optimum value of the rim thickness TH6 is 5.0499 mm, the optimum value of the spoke thickness TH8 is 19.382 mm, the optimum value of the boss thickness TH1 is 32.812 mm, and the optimum values ​​of the spoke and boss transition arc radii R11 and R7 are respectively They are 32.358 mm and 26.196 mm. According to engineering experience, the stress concentration of the wheel structure in the impact test is reduced, and the stress concentration of the spoke is usually dispersed. Reducing the thickness of the outer rim of the rim can increase the deformation of the outer rim during the impact process. By increasing the plastic deformation of the hub to absorb more energy, the mass of the hub is reduced from 5.88 k...

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Abstract

The invention discloses a high-strength lightweight car hub and a making method thereof for a development demand of automobile light weight. Finite element modeling is performed on the high-strength lightweight hub to obtain hub stress load, and the static strength characteristic of the hub is analyzed; and with maximum deformation amount of the hub stress as a restriction condition and with satisfying the hub strength rigidity as a target, the structure of the lightweight high-strength composite material hub is designed in an optimized manner; and by using an additive manufacturing and subtractive repairing technique, the hub made of a designed reinforced composite material is manufactured.

Description

technical field [0001] The invention provides a high light weight and lightweight wheel hub and a manufacturing method thereof, belonging to the field of automobile manufacturing. Background technique [0002] As a means of public transportation, automobiles have been integrated into the lives of modern people. With the continuous updating of automobiles, automobiles are now developing in the direction of lightweight, intelligent, and environmentally friendly. As the load-bearing part of the car, the wheel hub has a certain impact on the service life of the car due to its structural design rationality, comfort during driving, stability of handling, fuel consumption and safety. [0003] The car wheel hub is an important rotating part in the car driving system. Together with the tires, it forms the supporting, driving, braking and steering parts between the car body and the ground. A car usually needs to be equipped with four to five wheels. The weight of steel wheels is abou...

Claims

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Application Information

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IPC IPC(8): B60B5/02G06F17/50
CPCB60B5/02B60B2360/3412B60B2360/3416G06F30/15G06F30/17G06F30/23
Inventor 不公告发明人
Owner SHEN ZHEN QIANHAI SCICORE 3D TECH CO LTD
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