What are the characteristics of carbon fiber equipment?
Publication Time:
2022-12-02 15:52
Source:
Carbon fiber equipment has brought many benefits to our lives. Today, I will analyze the mechanical configuration of carbon fiber equipment from the aspects of temperature, pressure, and time.
1. Temperature: The control of temperature during molding mainly refers to the selection of molding temperature, heating rate, molding curing temperature, and insulation time. Mold temperature: refers to the temperature of the mold when the material is placed in the mold cavity. It mainly depends on the type of material and the quality indicators of the molding material. Generally, when the volatile content of the molding compound is high and the insoluble resin content is low, the molding temperature is lower. For molding products with complex structures or larger sizes, if the mold is difficult to install, installing the mold at a lower temperature can control the installation at room temperature. Increasing the mold temperature can shorten the production cycle and improve production efficiency. The mold temperature depends on the material type.

2. Pressure: Molding pressure refers to the pressure on the unit area of the product's horizontal projection surface. The magnitude of the molding pressure also depends on the type of material and is related to the structural shape of the product and the structural form of the mold. For products with complex structures and thicker walls, the molding pressure should be appropriately increased. The role of molding pressure is to overcome the steam pressure generated by volatile substances in the material, avoid defects such as gas saturation, delamination, and loose structure of the product, and increase the fluidity of the material, making it easier for the material to fill all corners of the mold cavity, so that the product structure is dense and the mechanical strength is improved.
However, when to apply pressure is an important issue in the molding process. Whether the pressing time is appropriate will directly affect the quality of the product. If the pressure is applied too early, the degree of resin curing and crosslinking reaction is low, and the material has high fluidity. Under the action of pressure, the material loss is serious, and resin aggregation is prone to occur in the molded product, or some parts lack glue, and the fibers are exposed; however, if the pressure is applied too late, the degree of resin curing and crosslinking is high, the material fluidity is poor, it is not easy to fill the mold, and the ideal product cannot be obtained.
3. Time: The molding process time is divided into leveling time. The leveling time is determined according to the size and difficulty of the product. The curing time also depends on the size and difficulty of the resin system product.
In summary, temperature, time, and pressure are very important for carbon fiber molding, but they can be automated on current advanced carbon fiber equipment.
Some people need to understand carbon fiber equipment, while others may know little about it. Therefore, today, I will show you the technical points of carbon fiber equipment, hoping to make progress and help you understand carbon fiber molding equipment.
1. Carbon fiber system engineering needs to start from the precursor polymer monomer. Raw silk not only determines the properties of carbon fiber but also restricts its production cost.
2. Reducing impurities and defects is a fundamental measure to improve the tensile strength of carbon fiber and is a hot topic for scientific and technological workers. In a sense, the process of improving strength is essentially the process of reducing and reducing defects.
3. In the pre-oxidation process, the pre-oxidation time should be shortened as much as possible while ensuring uniformity. This is a directional topic to reduce production costs.
4. Research on high-temperature technology, high-temperature equipment, and related important components. The high-temperature carbonization temperature is generally 100~1800℃, and the graphitization temperature is generally 1500~3000℃. Operating at such high temperatures requires continuous operation and longer service life of the equipment. Therefore, it is particularly important to research new-generation high-temperature technology and high-temperature equipment. Such as microwave, plasma, and induction heating under inert gas protection and oxygen-free conditions.
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