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Composite material hub

A composite material and wheel hub technology is applied in the field of reinforced fiber material preform structure and automobile wheel hub manufacturing, which can solve the problems of high price, long production cycle, and inability to large-scale application, so as to shorten the occupation period, reduce leftover materials, and avoid redundant Effects of the use of excess fiber

Pending Publication Date: 2018-04-13
吴波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wheel hub manufactured by this process has a long production cycle and high price, and cannot be applied on a large scale

Method used

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  • Composite material hub
  • Composite material hub
  • Composite material hub

Examples

Experimental program
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Embodiment Construction

[0026] A composite wheel hub provided in this embodiment, such as Figure 1 to Figure 12 As shown, a web preform 8 and a rim preform 9 are included. Among them, the web preform consists of 4 to 6 groups of the same reinforced fiber material preforms that are staggered and stacked around the central axis of the hub to form spokes and a hub for connecting with the axle. In this embodiment, 5 groups are selected; From the outside to the inside, it includes the spoke surface layer 1, the material filling layer 2, the spoke back layer 3 and the hub reinforcement layer 4. The rim preforms also include 4 to 6 groups of the same reinforced fiber material preforms, and 5 groups are also used in this embodiment; each group of preforms is connected to two adjacent spokes at the same time, including the inter-spoke Connect the reinforcement layer 6 with the rim ring 7 .

[0027] Wherein, the reinforcing fiber material is one or a combination of fiber bundles, fiber mats, unidirectional ...

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Abstract

The invention relates to a composite material hub. The composite material hub comprises a breadth pre-formed body and a wheel rim pre-formed body. In the breadth pre-formed body, after four to six sets of same enhanced fiber material pre-formed bodies are alternately stacked around the axis of a hub, spokes and a hub part used for being connected with an axle are formed. The wheel rim pre-formed body comprises four to six same enhanced fiber material pre-formed bodies, and each pre-formed body set is connected with the two corresponding adjacent spokes at the same time. The weight is smaller while the hub performance requirement is met; and the integrity, safety and reliability of the breadth are further enhanced. Meanwhile, large-scale production of the composite material hub is easy, quality consistency of final products is guaranteed, and the manufacturing cost is reduced. The two-step curing technology of pre-curing inside a die and post-curing outside the die is adopted, the die occupied period is shortened, the number of dies can be reduced during large-scale production, and the unit time yield is increased.

Description

technical field [0001] The invention relates to an automobile wheel hub, specifically a reinforced fiber material preform structure suitable for manufacturing the wheel hub by a resin transfer molding process, and belongs to the technical field of automobile wheel hub manufacturing. Background technique [0002] With the increasing pressure of global environmental protection, governments of various countries have increasingly strict requirements on vehicle exhaust emissions. The automotive industry is committed to: 1. Reducing engine displacement, increasing power per liter, and improving fuel efficiency; 2. Developing hybrid or pure electric vehicles; 3. Replace the original materials with lighter and better materials to reduce the weight of the vehicle. No matter what kind of energy form the car, weight reduction is always an effective solution. [0003] As the main unsprung mass provider and important rotating part of the car, the lightweight of the wheel hub has an imme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/48B29C70/54B29L31/30
CPCB29C70/48B29C70/54B29L2031/32
Inventor 吴波
Owner 吴波
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