Carbon Fiber Square Tube
Hangzhou Chengxin New Materials Co., Ltd. is a composite material product company integrating design, production and sales, mainly focusing on the development of high-performance carbon fiber composite materials.
We specialize in the production of various composite materials, mainly carbon fiber blades, carbon fiber round tubes, carbon fiber square tubes, carbon fiber rectangular tubes, carbon fiber bicycle accessories, carbon fiber automotive parts, etc.
Why Choose us
Our Process
Our company is good at composite infusion process, prepreg vacuum bag process, bladder molding process, press mold process, aluminum anodize.
Well Equipped
We have laser trimming machine, large five-axis machining center, three-axis machining center and smaller CNC equipments, which can be used for metal mold, epoxy foam mold or trimming for composite product.
Excellent team
At present, the company has an experienced technical team. Using international high-tech, sophisticated equipment, advanced technology, the production of carbon fiber reinforced composite material series products. We devoted ourselves to the study of composite materials.
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Benefits of Carbon Fiber Square Tube
High Strength-to-Weight Ratio
Like other carbon fiber square tubes, square tubes excel in providing exceptional strength and stiffness relative to their weight. This makes them ideal for applications where weight reduction is paramount.
Enhanced Rigidity
The square shape contributes to increased rigidity compared to round tubes, making them particularly suitable for structures that require resistance to bending and twisting.
Versatility in Design
Carbon fiber square tube square can be integrated into a wide range of designs, offering flexibility in creating structures with unique geometries and load-bearing requirements.
Applications of Carbon Fiber Square Tubes
Carbon fiber square tubes are used in the construction of aircraft fuselages, wings, and other structural components, reducing weight and improving fuel efficiency.
Carbon fiber square tubes are used in the construction of vehicle chassis, providing enhanced structural integrity and weight reduction.
High-performance racing cars often incorporate carbon fiber square tubes in their frames and bodywork to enhance speed and agility.
Carbon fiber square tubes are used in bicycle frames, forks, and handlebars, offering superior strength and lightness.
Carbon fiber square tubes are used in the construction of robotic arms and other components, providing lightweight and durable structures.
Carbon fiber square tubes can be used in bridge construction to provide lightweight and durable structural elements.

How to Produce Carbon Fiber Square Tubes
Mold making
First of all, the mold is designed according to the square tube size required by the customer, including the tooling requirements after forming. In addition, a series of conditions of the carbon fiber square tube size should be considered, and the thickness of the reserved tolerance tube should be determined according to the need. In order to ensure dimensional accuracy, we should also pay attention to bending deformation. If the pipe size is large, we need to use high-strength steel mold.
Prepreg cutting
After the mold is designed, the carbon fiber prepreg needs to be cut according to the size, the unidirectional carbon fiber prepreg needs to be stacked at 0 and 90 degrees, and the laying method needs to be determined according to the stress of the carbon fiber products.
Blank forming
After the prepreg and mold are completed, the prepreg shall be filled. Put the carbon fiber prepreg layer by layer on the mold, and compact the prepreg to ensure that the resin flows inside after mold closing. The closer the interior of carbon fiber products, the better the performance of finished products. When installing the mold, it is also necessary to apply a release agent to facilitate demoulding.
Heating and solidifying
After the mold is completed, put the carbon fiber blank on the hot press, and complete the curing of the carbon fiber square tube under the action of temperature and pressure. During the manufacturing process, it is necessary to pay attention to the changes in forming temperature and time parameters. The manufacture of carbon fiber square tubes is closely related to temperature, pressure, and time. After molding, pressure and heat preservation should be maintained.
Demoulding
The carbon fiber square tube is taken out by the demoulding equipment. After demoulding, it is taken out and put into the molding machine. After demoulding, the mold needs to be cleaned before repeating the above steps.
FAQ
Hangzhou Chengxin Composite Material Co., Ltd.is one of the most professional carbon fiber square tube manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade carbon fiber square tube at competitive price from our factory.
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