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日本語 The long glass fiber impregnation and pelletizing line is a specialized machine that melt-impregnates and cuts continuous glass fiber into short-cut pellets with thermoplastic resins (such as PP, PA, and PET). The finished pellets retain a high glass fiber length (typically ≥10mm), significantly improving the material’s mechanical properties.
Part 1: Core Components
1. Fiber Delivery System
Function: Continuously and smoothly delivers multiple parallel strands of fiber yarn, ensuring stable tension.
Main Equipment:
- Feed silo
- Loss-in-weight scale
- Twin-screw extruder
- Fiberglass feed rack
- Preheat oven
2.Melt Impregnation Unit
Function: Melts the matrix resin at high temperatures and passes it through the mold to fully and evenly coat the fibers.
Main Equipment: Molten pool die head
3.Cooling and Traction System
Function: Cools the impregnated composite material with water or air to form it, and then uses a tractor to draw the fiber bundle to the pelletizer.
Main Equipment:
- Cooling water tank
- Blow dryer
- Tractor
4.Pelletizing Module and Collection
Function: Cuts fiber bundles into pellets of predetermined length.
Main Equipment:
- lPelletizer
- Vibrating Screen
5.Automated Control System
Function: The PLC control system monitors the entire production line’s temperature, speed, pressure, tension, and other parameters in real time for better control.
Part 2: Core Components
1.Good impregnation effect
Special impregnation molds and controllable processes (melt pressure, temperature, fiber tension) ensure that the fiber bundles are fully and evenly impregnated with resin.
2.High production efficiency
This is a continuous production line that processes raw materials into finished pellets in one go, with a high degree of automation. It can stably produce 40 long glass fibers and is suitable for large-scale industrial production.
3.Flexible process
By adjusting the formula and process parameters, a production line can adapt to different resin matrices, such as PP, PE, PA66, etc., to meet the diverse market needs.
4.Stable product quality
Using a melt metering pump and PLC automatic control system, key parameters such as melt pressure, temperature, and pulling speed are precisely controlled, ensuring that the quality of each batch and even each pellet coming off the production line is highly stable.
Part 3: Application Areas
Due to the excellent properties of long glass fiber materials, they are widely used in the following fields：
1. Auto parts
Door modules, seat frames, instrument panel frames, etc.
2.Electronic appliances
Connectors, robot joints, fan blades, etc.
3. Industrial components
UAV frames, large agricultural machinery parts, sports equipment, etc.
Part 4: Conclusion
The long glass fiber impregnation and granulation production line is a technically sophisticated continuous production line and is the key to improving the performance of composite materials. We will continue to improve our production technology and equipment precision to provide customers with the best equipment solutions.
Part 5: Contact Us
- TEL: +86-19951712336
- ADDRESS: No. 227, Zhening East Road, Lishui District, Nanjing
- WEB: www.njbeyou.com
