Lamination method and manufacturing method of a load-bearing body of an electric racing car

Abstract

The invention discloses a layering mode and a manufacturing method of a unitary construction body of an electric racing car. A car body material for manufacturing the unitary construction body is combined of two layers of carbon fiber skin and a sandwich layer. The sandwich layer is honeycomb aluminum or foam of a PVC structure. The unitary construction body is divided into six carbon fiber skin layering mode regions according to different structures and demands on mechanical properties. In a manufacturing process, the manufacturing method comprises the following steps of: coating a release agent to a mold; then paving the first layer of carbon fiber skin according to a designed layering mode; then putting the mold in a vacuum bag to be vacuumized and performing hot press molding; then adhering the honeycomb aluminum or the foam of the PVC structure to the first layer of carbon fiber skin through an adhesive film; paving the second layer of carbon fiber skin according to the design; putting the mold in the vacuum bag to be vacuumized and performing hot press molding in the same mode; and then releasing the mold to obtain the unitary construction body of the electric racing car. The layering mode and manufacturing method disclosed by the invention achieve a target of light weight while remarkably enhance the rigidity, strength and safety factor of the car body and achieve excellent shock absorption and energy absorption effects.

Description

technical field [0001] The invention relates to the field of a load-bearing body of an electric racing car for college students, in particular to a layering method and a manufacturing method of a load-bearing body of an electric racing car. Background technique [0002] Nowadays, motorsport has become an important sport more and more, and the weight of the racing car in motorsport has become a key factor for achieving good results. Among them, the weight reduction of the car body has become the goal of many teams. At present, racing cars generally use steel pipe truss frame and carbon fiber skin body. The curb weight is too large, and the torsional rigidity, strength and excellent energy absorption capacity cannot be satisfied at the same time. It is impossible to achieve the effect of light weight while improving the safety of the vehicle. In addition, there is currently no relevant public test method to scientifically prove the safety of the load-bearing body structure. Th...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a layering method of carbon fiber, honeycomb aluminum and PVC foam core materials for the defects of the existing non-load-bearing racing car body, such as too small torsional stiffness, poor energy absorption effect, and high quality, so as to reduce the cost of the electric racing car body. Quality while obtaining better mechanical properties and safety

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