Long Carbon Fiber Tubes
Long Carbon Fiber Tubes
In pultrusion, many fibers run along the tube, which produces a high-stiffness carbon fiber tube, but without much hoop strength. To improve strength and performance in all directions, filament winding is an effective method for producing carbon fiber tubes. This method is also cost-effective and has excellent performance, but the biggest limitation is based on the length of the winding machine.
Carbon fiber tubes are made by tube winding, pultrusion, winding, and compression molding. The chrome-plated steel rod is firmly fixed in place on the side of the raw material entering the mold, and the mounting hardware is far enough away that it will not interfere with the impregnated fiber as it enters the mold. The space between the mandrel and the mold determines the wall thickness of the carbon fiber tube.
Production
Many forms of tensioning involve springs, which generate friction through the free rotation of rollers to keep the filaments close to the tooling to which they are applied. Tension can be applied to the rollers, by combing, resin application, rolling, and placing the tow on the mandrel. It also ensures process stability and repeatability.
Tensioning
The carbon fiber tow passes through a separation device to make the raw yarn uniform. It can bring fiber uniformity in tension control. When the tow passes through the resin pool, it is combed again to remove excess resin from the tow. Before the tow is guided to the "mandrel", the tow can be flattened as needed using a "nip roller" to provide additional fiber uniformity
Combing uniformity
The speed of the tow application is reflected in the circular motion of the mandrel. The two synchronized mechanical functions can meet the critical fiber direction, correctly place the tow, and once the winding is completed, the component can be cured, and then the component can be peeled off the mandrel surface
Direction control
Product characteristics and application range
High strength, high modulus, dimensional stability, good processability.
Strong corrosion resistance, wear resistance, and fatigue resistance.
High specific strength, high specific lightness, strong elastic deformation ability, and fatigue resistance.
application
Industrial equipment
There are many applications and types of carbon fiber tubes in industrial equipment, such as round tubes for carbon fiber robot arms, square tubes for carbon fiber clamp arms, carbon fiber rollers, and round tubes for metal parts. These applications highlight the advantages of lightweight carbon fiber tubes, which can have better control over precision, and also have good fatigue resistance, and can run for a long time.
Medical devices
Medical devices have high requirements for product performance and safety. Carbon fiber tubes are widely used in medical devices, such as carbon fiber shovels and stretchers using carbon fiber round tubes. These products are easy to fold and carry, can reduce weight, and have high strength. They can fully support the weight of the patient and still have good stability.
Aerospace field
The various characteristics of carbon fiber meet the requirements of various indicators in the aerospace field. For example, carbon fiber wings can reduce the overall weight of the aircraft to the greatest extent, save a lot of fuel, including the huge resistance of the aircraft wing during flight, greatly improve flight efficiency, and have a good support effect.
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