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Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line Four-Strand GFRP Rebar Pultrusion Line
Four-Strand GFRP Rebar Pultrusion Line
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Four-Strand GFRP Rebar Pultrusion Line

The Four-Strand GFRP Rebar Pultrusion Line is a specialized equipment system for the continuous production of high-performance four-filament glass fiber reinforced polymer (GFRP) rebars. Compared to traditional monofilament or twin-filament pultrusion lines, the core difference and advantage of this system lies in its ability to integrate four independent glass fiber bundles for impregnation and molding in a single operation. This design significantly improves production efficiency and the uniformity of the product's mechanical properties. Through precise tension control and a resin impregnation system, the Four-Strand GFRP Rebar Pultrusion Line ensures that the four fiber bundles are fully and uniformly encapsulated within the polymer matrix, resulting in GFRP rebars with higher tensile strength, superior adhesion, and more stable dimensional accuracy. This production line is particularly suitable for large-scale infrastructure construction material supply applications where high capacity and product consistency are critical.

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  • Description
  • Applications
  • Parameter

Key Components and Functions:
Spindle Holder: Holds multiple rolls of glass fiber yarn, providing a fiber source for the parallel production of four-strand ribs.
Impregnation System: Ensures the fiber bundles are fully impregnated with resin. Advanced systems are equipped with constant-temperature heating devices (such as water bath heating) to ensure stable resin flow, crucial for uniform impregnation.
Preforming Unit: Initially gathers the impregnated loose fiber bundles into shape and removes excess resin, preparing them for entry into the mold.
Heat-Curing Mold: Core component. Cures the resin through heating. Four-strand production lines require multi-cavity molds to form multiple ribs at once. Besides traditional electric heating, new technologies such as microwave heating have emerged to achieve more uniform internal and external heating.
Traction Device: Provides continuous and stable tension, pulling the fibers through the entire production line. Available in hydraulic and tracked types, requiring sufficient clamping force without damaging the product surface.
Cutting Device: Automatically cuts the cured continuous profile to a set length. Typically, a tracking cutting system is used, completing the cut while the product is moving.

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About
Zhejiang Yuanda Fiberglass Mesh Co.,ltd.
Zhejiang Yuanda Fiberglass Mesh Co.,ltd.

Zhejiang Yuanda Fiberglass Mesh Co., Ltd. was founded in 2000. It is a technology-oriented manufacturing enterprise focusing on the new materials field, specializing in the research and development, and production of composite reinforcing materials, insulating materials, and related intelligent equipment. Committed to providing professional and reliable products and services to customers worldwide. The company is located in the Yangtze River Delta Economic Circle of China, close to Ningbo Port and Shanghai Port. The unique geographical location has brought convenience to the company's import and export business. The company covers an area of nearly 33,000 square meters and has modern standard workshops.
The three core business segments
1. Composite material fiber bars and fiber bar mesh sheets (GFRP), as well as supporting production equipment.
2. Special interlayer insulating materials for power transformers and motors.
3. For the past 25 years, Zhejiang Yuanda Fiberglass Mesh Co., Ltd. has been deeply engaged in the field of new materials, deepening technological innovation and industrial collaboration, continuously expanding the application scope of its products, and has won wide recognition from customers. In the future, we will be committed to building a leading domestic supplier of composite new materials and injecting continuous impetus into the high-quality development of the industry.

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