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Automobile water tank upper beam made of carbon fiber composite materials and manufacturing method thereof

A water tank upper beam and composite material technology, which is applied in the field of carbon fiber composite automobile water tank upper beam and its production, can solve problems such as unreasonable reinforcement structure design, cracking in stress concentration areas, uneven rigidity of water tank beams, etc., so as to facilitate one-time processing and molding , to meet the effect of high strength and simplified structure

Active Publication Date: 2014-01-22
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The upper beam of the water tank mainly bears the impact from the instantaneous impact load when the hood assembly is closed and the up and down fluctuation of the hood when the car is running, which directly causes stress concentration at the lock body mounting part of the connection device between the upper beam of the water tank and the hood assembly. In the area, the strengthening structure design of the existing technology is unreasonable, the strength is not enough, and the stiffness of the water tank beam is uneven. At present, the Z-direction stiffness target value of the upper beam of the metal sheet metal water tank is 400N / mm, which will directly lead to cracking in the stress concentration area

Method used

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  • Automobile water tank upper beam made of carbon fiber composite materials and manufacturing method thereof
  • Automobile water tank upper beam made of carbon fiber composite materials and manufacturing method thereof
  • Automobile water tank upper beam made of carbon fiber composite materials and manufacturing method thereof

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Embodiment 1

[0043] see image 3 , Figure 4 As shown, the embodiment of the present invention provides a carbon fiber composite automobile water tank upper beam, and the structure of the water tank upper beam is optimized. Specifically, the water tank upper beam 1 structure at least includes: beam body 1.1, beam wing 1.3, the second One wing 1.5, second wing 1.7, side 1.9, beam crown 1.11; the selected material is carbon fiber T300+5028 resin composite material, the thickness is about 3.0mm, and the weight is about 0.4kg; the carbon fiber (CF) is a fiber Shaped carbon material, with a carbon content of more than 90%, not only has the inherent characteristics of carbon materials, but also has the softness and processability of textile fibers, and has corrosion resistance, good heat resistance, light weight, high strength, and high elastic modulus. High density, low density and very excellent mechanical properties, depending on the fiber grade and orientation, it can even reach the strengt...

Embodiment 2

[0046] In order to realize the above-mentioned structural design, an embodiment of the present invention provides a method for manufacturing an upper crossbeam of an automobile radiator made of carbon fiber composite material. Specifically, preferably, the manufacturing method at least includes: 1) material selection; 2) layer laying; 3) sealing; 4) vacuuming; 5) resin introduction; 6) process steps such as curing and demoulding;

[0047] Step 1) material selection;

[0048] The carbon fiber composite material is composed of multi-layer carbon fiber material as a reinforcement and resin as a matrix. The multi-layer carbon fiber material is selected from Toray T300 carbon fiber fabric in Japan. The resin is selected from a medium-low temperature rapid curing 5028 epoxy resin system. Raw materials, wherein the content of carbon fiber fabric (weight percentage, the same below) is 50-60%, and the content of epoxy resin material is 40-50%;

[0049] The manufacturing method of the ...

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Abstract

The invention discloses an automobile water tank upper beam made of carbon fiber composite materials and a manufacturing method of the automobile water tank upper beam, and belongs to the field of composite materials and automobile parts. The water tank upper beam structurally at least comprises a beam body, a beam wing, a first wing, a second wing, side edges and a beam head; in a vacuum state, carbon fiber fabric is infiltrated by resin and is formed through pressure. The water tank upper beam is made of the composite materials which use multilayer multi-layer-direction carbon fiber fabric materials as reinforcement and use epoxy resin as a substrate, so that the integral rigidity of the water tank upper beam is improved; through CAE computational analysis, the Z-directional rigidity of the water tank upper beam can reach 424N / mm, the conditions of high strength, high modulus and load can be satisfied, and meanwhile the water tank upper beam can be lightened by more than 60%; due to the fact the carbon fiber materials are used, the weight of the water tank upper beam can be substantially reduced, and fuel efficiency can be greatly enhanced; because the structure of the water tank upper beam made of the carbon fiber materials is greatly simplified, one-off processing forming is facilitated, and manufacturing cost is effectively reduced.

Description

technical field [0001] The invention relates to the field of composite materials and auto parts, in particular to an upper beam of a carbon fiber composite material automobile water tank and a manufacturing method thereof. Background technique [0002] Due to the higher and higher requirements on the shape and performance of the car, affected by the shape, the seams of the front part of the car are of different heights, coupled with the limitation of the space of the engine compartment itself, and the types of parts layout are increasing. Parts mounting points are more or less arranged on the water tank beam, and the connecting device lock body installation part of the hood assembly makes the load of the water tank beam heavier and heavier. As an important structural part of the car body, the water tank beam takes into account the lightweight requirements of the body structure, as well as the requirements for high structural strength and collision safety performance. How to ...

Claims

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Application Information

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IPC IPC(8): B62D25/08B29C70/34
Inventor 方舟张道理宣善勇
Owner CHERY AUTOMOBILE CO LTD
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