Carbon fiber tube winding mold forming process
2023-01-04
Carbon fiber tube production process is one of the more mature production methods, the quality of carbon fiber tube products made by this process is better than other processes. Carbon fiber tube winding mold forming method is mainly used in the carbon fiber prepreg material in the coil machine hot roll forming, the process principle is through the coil machine on the hot roller to raise the temperature of the carbon fiber prepreg material on the resin melting, equipment operation process reel and core mold friction to the carbon fiber prepreg cloth rolled to the mold core tube, until the target thickness, after cooling qualitative, curing off the mold will get the finished carbon fiber tube.
Carbon fiber tube winding mold forming production process
To make carbon fiber tube by winding molding process, firstly, each roller on the winding machine should be cleaned, and then the roller should be heated to a predetermined temperature and the prepreg tension should be adjusted. After the preparation, the cloth head of the carbon fiber prepreg is wound around the core of the tube coated with release agent without pressure. Afterwards, the pressure roller is dropped and the prepreg is wound against the hot roller.
When making thicker carbon fiber tubes, the rotation speed can be accelerated appropriately during the winding process, and then decelerated when the predetermined thickness is about to be reached. Do not stop directly after truncating the carbon fiber prepreg, you need to continue rotating for one or two revolutions while maintaining the pressure, and then measure the outside diameter of the carbon pipe embryo after it is qualified and removed for curing.
The temperature degree of the winding mold support roller during the production of carbon fiber tube, the surface temperature control of the hot roller is an important parameter to ensure the quality of carbon fiber tube. The higher the resin content of the prepreg, the higher the temperature should be, in addition to the need to refer to the prepreg preheating situation moderate adjustment. In the process of carbon fiber tube winding mold to ensure that the carbon fiber prepreg soft sticky moderate, can not be overheated otherwise there is a flow of glue will greatly affect the quality of the product.
The quality of carbon fiber tube is also affected by the tension and pressure, in the production process of carbon fiber prepreg tension should be uniform, not sometimes tight and sometimes loose. In addition, the distance between the support rollers can be adjusted to influence the pressure of the process, so that the products are tighter and free of bubbles.
The material of carbon fiber tube core mold can be made of cast iron, seamless steel and round steel, among which seamless steel tube is suitable, but in the process of production, it should be noted that the wall of the tube should not be too thin, it should be above 5mm, otherwise, the mold will be easily deformed in the process of use.
Translated with www.DeepL.com/Translator (free version)
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Carbon fiber tube winding mold forming process
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