Extrusion Pelletizing Machine is an efficient extrusion granulation equipment designed for polycarbonate (PC) materials. It uses advanced screw design and temperature control system to ensure that the material is evenly melted and plasticized during the extrusion process, thereby producing high-transparency, high-quality PC granules. This equipment is not only suitable for the processing of PC materials, but also can meet the specific production needs of different users through customized configuration. Its core function is to produce high-standard granule products through a series of processes such as extrusion, cooling, cutting and screening of PC raw materials.

Key Features of the Extrusion Pelletizing Machine:

• High transparency products: The Extrusion Pelletizing Machine ensures that the PC material is evenly heated during the extrusion process through fine screw design and precise temperature control, avoiding material degradation and transparency loss caused by local overheating. Experimental data show that the transparency of PC particles produced by this equipment can reach more than 90%, with excellent optical properties, suitable for applications with extremely high transparency requirements such as LED lampshades and automotive lamps. Compared with traditional extrusion equipment, the transparency of PC particles produced by it is increased by 15% - 20%, effectively meeting the needs of the high-end market.

  
  

• Excellent stability: The equipment is equipped with an advanced temperature control system and adopts a 5-stage independent temperature control design to ensure that the temperature fluctuation of the screw and barrel during processing is controlled within ±1°C. This precise temperature control system ensures the stable melting and plasticization process of PC materials, so that the mechanical properties and fluidity of the produced particle products are stable. After testing, the PC particles produced by this equipment have a melt flow rate (MFR) fluctuation range of less than 3%, which is far lower than the 5% required by the industry standard, ensuring the consistency and reliability of product quality.

  
  

• Efficient screen changer system: It adopts a manual rotary screen changer equipped with a hydraulic pressure system, which has a fast screen change speed and is easy to operate. Compared with traditional screen changers, the screen change time is shortened by 60% - 70%, which greatly improves production efficiency. At the same time, the material leakage during the screen change process is reduced by more than 80%, effectively reducing material loss and production costs. When processing high-viscosity PC materials, the screen changer system can maintain a stable filtration effect to ensure that the quality of the granular product is not affected.

  
  

• CNC numerical control machine advantages: The key components of the equipment, such as the screw and barrel, are made of SACM-1 material and are precisely processed by the CNC numerical control machining center. The CNC machining accuracy can reach ±0.01mm, ensuring that the dimensional accuracy and matching clearance of the screw and barrel are in the best state. This high-precision machining significantly improves the operating efficiency and service life of the equipment. Compared with ordinary processing equipment, the service life of the screw and barrel is extended by 2-3 times, reducing the maintenance cost and downtime of the equipment.

  
  

• Excellent production efficiency: The extruder is equipped with a high-power motor and an efficient transmission system. The screw speed can reach 120-180rpm and the extrusion volume can reach 500-800kg per hour. Compared with traditional equipment with the same configuration, the production efficiency is increased by 30%-40%. At the same time, the automatic feeding system and cooling system of the equipment work together to ensure that the material passes through the extruder continuously and stably, further improving the production efficiency. When processing PC regrind, its efficient plasticizing and extrusion capabilities increase the production efficiency by more than 25% compared with traditional equipment.

  
  

• High output advantage: Under the same configuration and energy consumption conditions, this Extrusion Pelletizing Machine significantly increases the output of PC particles by optimizing the screw design and strengthening the cooling system. Experimental data show that compared with traditional extrusion granulation equipment, its output can be increased by 20%-30%. For example, when processing PC raw materials, the output of traditional equipment is about 600kg per hour, while this equipment can reach 720-780kg. This high-yield advantage makes the equipment more competitive in large-scale production and can effectively meet users' demand for high output.

  
  

• Advantages of water-cooled granulation: Extrusion Pelletizing Machine adopts a water-cooled cooling system, and the extrudate is quickly cooled and shaped through a water cooling box. The cooling water tank is equipped with a suction motor to ensure smooth circulation of cooling water and increase cooling efficiency by 40% - 50%. Compared with air-cooled granulation, water-cooled granulation can effectively avoid cracks and deformation on the surface of the particles, ensuring that the particles are regular in shape and uniform in size. According to tests, the size deviation of PC particles produced by water-cooled granulation is less than 0.5%, while the size deviation of air-cooled granulation is usually between 1% - 2%. In addition, water-cooled granulation can also reduce dust generation and improve the production environment.

  
  

• Intelligent control system: The equipment is equipped with an advanced PLC control system and a touch screen operation interface to achieve precise control and real-time monitoring of the automated production process. Through preset parameters, operators can easily control key parameters such as screw speed, temperature, and feeding speed to ensure the stability and repeatability of the production process. The system also has fault diagnosis and alarm functions, which can detect and prompt equipment abnormalities in a timely manner, reducing downtime and maintenance costs. Experimental data shows that the production efficiency of the Extrusion Pelletizing Machine using the intelligent control system is increased by 15% - 20%, and the product quality stability is improved by 25% - 30%.

Integrated Extrusion Pelletizing Machine Line:

Our Extrusion Pelletizing Machine is the master machine in a comprehensive pelletizing production line:

The basic PC Pelletizing Line equipment are:

①Extruder→②Water Cooling Tank with suction motor→③Pellets Cutting Machine→④Vibrating screen machine with Hopper

1. Material Feeding into the PC Extruder: Precise feeding ensures consistent processing for all polycarbonate grades.

2. Cooling Water Tank: Rapid cooling stabilizes the extruded strands, preparing them for precise pelletization.

3. Pelletizer: produces uniform, high-quality polycarbonate granules with smooth surfaces and consistent dimensions.

4. Vibrating Screening Machine: The final quality control step is to remove irregular pellets and ensure only premium granules are packaged.

Why Choose Our Extrusion Pelletizing Machine?

• Built with durable materials to handle polycarbonate's unique thermal and mechanical demands.

• Intuitive control system for precise operation and real-time monitoring.

• Energy-efficient design for lower operational costs and reduced environmental impact.

• Customizable to fit your specific production needs, including high output configurations.

Extrusion Pelletizing Machine Applications:

Our PC extruder caters to industries requiring top-tier pelletized polycarbonate, such as:

• Electronic and electrical industry: In the electronic and electrical industry, this Extrusion Pelletizing Machine is widely used to produce PC particles for the manufacture of electronic product parts such as mobile phone casings, optical discs, and protective covers. Because the PC particles produced by it have high transparency and excellent mechanical properties, they can meet the strict requirements of electronic products for appearance and quality. According to statistics, the mobile phone casing made of PC particles produced by this equipment has a light transmittance of 88% - 92%, high surface finish and strong impact resistance. On the production line of a well-known mobile phone manufacturer, after using PC particles produced by this equipment, the defective rate of mobile phone casings was reduced from 8% to 3%, significantly improving production efficiency and product quality.

  
  

• Automotive industry: In the field of automobile manufacturing, PC particles produced by this Extrusion Pelletizing Machine are used to manufacture transparent and durable parts such as automobile lamps, dashboards, and windows. Its high transparency and good weather resistance ensure the lighting effect and service life of automobile lamps. For example, a car manufacturer uses the PC granules produced by this equipment to manufacture car headlight lampshades. After 1,000 hours of xenon lamp aging test, the light transmittance of the lampshade remains above 85%, which is much higher than the 75% required by the industry standard. In addition, the equipment can also customize PC granules of different colors and performances according to customer needs to meet the diverse needs of automotive interior and exterior parts, providing strong support for technological innovation in the automotive industry.

  
  

• Construction industry: In the construction industry, the PC granules produced by this Extrusion Pelletizing Machine are used to manufacture high-performance polycarbonate sheets and profiles, such as sun panels, bulletproof glass, door and window frames, etc. These products have high strength, high transparency and good thermal insulation properties, which can effectively improve the safety and comfort of buildings. Taking sun panels as an example, the sun panels made of PC granules produced by this equipment have an impact strength 200-300 times that of ordinary glass, a light transmittance of 89%-91%, and excellent thermal insulation properties, which can effectively block ultraviolet and infrared radiation. In a large-scale construction project, the PC granules produced by this equipment were used to make the sunlight panels. After installation, the indoor temperature fluctuation range of the building was reduced by 3-5℃, which has a significant energy-saving effect and provides long-term safety protection for the building.

  
  

• Optical industry: In the optical industry, the high-transparency PC granules produced by this Extrusion Pelletizing Machine are widely used to manufacture precision optical components such as optical lenses, prisms, and optical fibers. Its excellent optical performance and dimensional stability ensure the accuracy and reliability of optical components. After testing, the optical lens made of PC granules produced by this equipment has a stable refractive index between 1.58 and 1.59, an Abbe number of 30-32, and an optical distortion of less than 0.5%, which fully meets the manufacturing requirements of high-precision optical components. After a certain optical instrument manufacturer adopted the PC granules produced by this equipment, the yield of optical lenses increased from 75% to 90%, the production cost decreased by 15%-20%, and the product quality and market competitiveness were significantly improved.

  
  

• Medical industry: In the medical field, the PC granules produced by this Extrusion Pelletizing Machine are used to manufacture medical equipment housings, protective masks, surgical instrument trays and other medical supplies. Its high transparency and biocompatibility give it unique advantages in medical applications. For example, the medical protective mask made of PC granules produced by this equipment has a light transmittance of more than 90%, which can effectively protect the face of medical staff from splashes and germs without affecting the line of sight. In the test of a medical product manufacturer, the mask can still maintain good transparency and physical properties after more than 100 steam sterilization cycles, far exceeding the 50 sterilization cycles required by the industry standard, ensuring the long-term reliability and safety of medical supplies.

  
  

• plastic recycling: In the plastic recycling industry, this Extrusion Pelletizing Machine is used to process PC recycled materials and process them into high-quality PC granules. Its strong plasticizing ability and efficient filtration system can effectively remove impurities and defects in recycled materials, making the performance of recycled PC granules close to that of virgin materials. Experimental data show that the mechanical property recovery rate of PC recycled materials processed by this equipment reaches 85% - 90%, and the transparency recovery rate can reach 88% - 92%, which is much higher than the 60% - 70% of ordinary extrusion equipment. After a plastic recycling company adopted this equipment, the added value of PC recycled materials increased by 30% - 40%, and the market competitiveness was significantly enhanced, providing an efficient and environmentally friendly solution for the plastic recycling industry, promoting the recycling and sustainable development of resources.

Below are the detailed specifications of our PC Pelletizing Machine Production Line, designed to deliver exceptional performance, efficiency, and material quality in polycarbonate processing.

Extrusion Pelletizing Machine Maintenance:

Clean the screw and barrel regularly: Use professional cleaning agents and soft cloth to wipe the surface of the screw and barrel at least once a week to remove residual materials and impurities during the production process. Long-term accumulation of materials may cause increased wear of the screw and barrel, affecting the plasticizing effect and production efficiency of the equipment. When cleaning, pay special attention to the threaded part of the screw and the heating section of the barrel to ensure that there is no residual material. Experimental data show that the surface roughness of the screw and barrel that are cleaned regularly can be kept below Ra0.8μm, and the wear is reduced by 60%-70% compared with those that are not cleaned regularly, and the equipment life is extended by 3-4 years.

Check and maintain the temperature control system: Check the working status of the temperature sensor and heating element once a month to ensure the accuracy of the temperature control system. Use professional instruments to calibrate the temperature sensor so that its error is controlled within ±0.5℃. At the same time, clean the dust and debris around the heating element to ensure good heat dissipation. According to tests, an accurate temperature control system can make the melting and plasticizing process of PC materials more stable, and the quality fluctuation range of granular products is reduced by 30%-40%. Regular maintenance of the temperature control system can also reduce equipment energy consumption and improve production efficiency.

Lubricate the transmission system: Lubricate the transmission system of the equipment, including gears, bearings, chains and other components, every week. Use high-quality grease and apply a moderate amount to avoid too much or too little. Insufficient lubrication will lead to increased wear of components, while excessive lubrication may cause grease leakage and pollute the production environment. Experimental data show that the wear rate of components of the transmission system that is lubricated regularly is reduced by 70% - 80%, and the smoothness of equipment operation is improved by 50% - 60%. During the operation of the equipment, a well-lubricated transmission system can also effectively reduce noise and vibration and extend the service life of the equipment.

Maintain the cooling system: Check the water level and water quality of the cooling water tank every day to ensure smooth circulation of cooling water. Replace the cooling water once a week to prevent scale accumulation from affecting cooling efficiency. At the same time, check the working status of the cooling fan to ensure its stable speed. According to tests, a clean cooling system can increase cooling efficiency by 30% - 40%, accelerate the cooling speed of the extrudate, and make the particle shape more regular. Regular maintenance of the cooling system can also reduce equipment failures caused by insufficient cooling and ensure the continuity of the production process.

Check and replace wearing parts: Check the wear of wearing parts such as screw, barrel, pelletizer and so on once a month. Use professional tools to measure the size and surface hardness. When the wear of the screw exceeds 0.2mm or there are obvious scratches on the inner surface of the barrel, it should be replaced in time. At the same time, check the sharpness and installation angle of the pelletizer to ensure the quality of pelletizing. Experimental data show that timely replacement of wearing parts can increase the production efficiency of the equipment by 20% - 30% and reduce the defective rate of pellet products by 40% - 50%. Regular inspection and replacement of wearing parts are key measures to ensure the long-term stable operation of the equipment.

Regularly calibrate the control system: Perform a comprehensive calibration of the control system of the equipment once a quarter, including parameters such as screw speed, feeding speed, and temperature control. Use professional calibration instruments to ensure the accuracy and response speed of the control system. The calibrated control system can increase the operating accuracy of the equipment by 15% - 20% and the production efficiency by 10% - 15%. At the same time, calibrating the control system can effectively avoid production accidents caused by parameter deviation and ensure the safe operation of the equipment. During equipment operation, precise control systems can significantly improve product quality and production efficiency and reduce production costs.

Enhance Your Polycarbonate Production Today

When processing polycarbonate, maintaining material quality is critical. With our PC extruder, you can achieve exceptional transparency retention, stable MFR, and high production efficiency. Whether you’re manufacturing LED lighting components, automotive parts, or specialty polycarbonate products, our PC pelletizing solution ensures unmatched quality and performance.

Contact us today to learn more about our PC extruder and how it can transform your production line.