Manufacturing process of auto dry carbon parts____prepreg

Introduction: As an important material in the automotive industry, carbon fiber exterior parts not only add a unique appearance to the vehicle, but also have the advantages of lightweight and high strength. So, let us uncover the mystery of the manufacturing process of automotive carbon fiber exterior parts.The prepreg process is the miracle behind it.

Part One: The core of the prepreg process The prepreg process is one of the most commonly used processes for manufacturing carbon fiber appearance parts. It impregnates carbon fiber yarn to fully absorb the pre-mixed resin, and then solidifies it at high temperature to form a strong and lightweight carbon fiber composite material.Part

Steps of the prepreg process The steps of the prepreg process are as follows:

1. Carbon fiber yarn preparation: According to the design requirements, weave or stack the carbon fiber yarn to ensure that the arrangement and direction of the fibers meet the requirements.

2. Impregnating resin: Coat the pre-mixed resin on the carbon fiber yarn to ensure that the fiber fully absorbs the resin. The key to this step is to control the uniformity of the resin impregnation and precise control of the resin content.

3. Mold preparation: Make the corresponding mold according to the design of the appearance part.

4. Pressing and curing: Put the impregnated carbon fiber yarn into the mold and solidify it under a certain temperature and pressure to completely harden the resin. The purpose of this step is to ensure the alignment of the fibers in the resin and their solidity after curing.

5. Processing and coating: The cured appearance pieces are trimmed, cut and coated to achieve the final look and feel. The purpose of this step is to give the appearance part the required surface smoothness and appearance.

Advantages of prepreg process The prepreg process has the following advantages:

1. Stable molding quality and performance: The prepreg method can better control the direction and arrangement of fibers, as well as the content and uniformity of resin. This enables the manufactured appearance parts to have high molding quality and performance stability.

2. Lightweight and high strength: Lightweight and high strength of carbon fiber composite materials are the goals pursued by the automotive industry, and the prepreg process can achieve this goal. Due to the unique properties of carbon fiber materials, the manufactured exterior parts are lightweight while offering excellent strength and durability.

3. High degree of design freedom: The prepreg process can meet the design requirements of various complex appearance parts, such as curves, complex shapes, etc. At the same time, resin selection and control can provide designers with more freedom.Automotive carbon fiber exterior parts are usually manufactured using the prepreg process.

The prepreg method is one of the most common and widely used processes in carbon fiber composite manufacturing. Its core is to impregnate carbon fiber yarn so that it can fully absorb the pre-mixed resin. This prepreg is cured at high temperatures to form a strong yet lightweight carbon fiber composite. The prepreg process has higher molding quality and performance stability, and can better control the direction and arrangement of fibers, as well as the content and uniformity of resin during the manufacturing process. This enables the prepreg process to produce high-quality, high-strength dry carbon fiber exterior parts that meet the automotive industry’s demands for lightweight and high performance.

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