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China Nanjing Henglande Machinery Technology Co., Ltd. Company News

Maintenance Tips for Twin-Screw Extruders to Ensure Optimal Performance

Regular maintenance of twin-screw extruders is crucial to maintain their performance, extend their lifespan, and avoid costly downtime. These versatile machines, often used in the processing of polymers, require routine checks and care to function efficiently. To ensure smooth operation, it is recommended to perform daily inspections of the screw elements and barrel for signs of wear or damage. Cleaning the barrel and screws after each use prevents material build-up, which can lead to uneven extrusion or contamination. Lubricating the drive components and checking the alignment of the screws will reduce friction and enhance the overall stability of the extruder. Regularly monitoring temperature and pressure settings is essential for consistent results. Sudden temperature fluctuations or irregular pressure can indicate potential issues that may affect the quality of the final product. Additionally, replacing worn-out or damaged parts, such as seals and bearings, is essential to prevent malfunctions and downtime. For optimal results, scheduled professional servicing should be considered, especially for high-production machines. A proactive maintenance approach not only enhances machine efficiency but also ensures the quality of extruded materials. By following these basic maintenance guidelines, operators can maximize the performance and lifespan of their twin-screw extruders, ensuring reliable output and reducing unexpected repairs.

2025

03/20

Innovative PVC Extruder Technology Boosts Efficiency and Ensures High-Quality Production

  As the plastic industry faces increasing demands for high performance and environmental responsibility, polyvinyl chloride (PVC) extruder technology has achieved a significant breakthrough. The newly developed single-screw extruder, designed specifically for PVC materials, not only enhances production efficiency but also ensures consistent product quality, driving further advancements in plastic processing technology.   Material and Preparation   Polyvinyl chloride (PVC) is a versatile thermoplastic commonly used in construction materials, cable insulation, piping, and decorative items. Due to PVC’s high moisture absorption, the material must be properly dried before processing to prevent bubbles or surface defects during high-temperature processing, which could compromise the final product's quality. Heating Temperature and Chemical Reactions PVC melts within a temperature range of 160°C to 200°C. At this temperature, PVC undergoes a physical melting process. However, improper temperature control can cause PVC to decompose at high temperatures, releasing hydrogen chloride gas, which can negatively impact material performance and pose environmental and health risks. Therefore, our single-screw extruder is equipped with a precise temperature control system that ensures PVC remains within a safe temperature range during melting and extrusion, preventing material degradation and harmful gas emissions. Extruder Technology The newly developed single-screw extruder is optimized to meet the specific needs of PVC processing. The screw design has been precisely adjusted to enhance the uniformity and flow of the melt, improving the surface finish and mechanical properties of the final product. The equipment is easy to operate and highly efficient, making it particularly suitable for large-scale PVC product manufacturing, ensuring product consistency and stable quality. Environmental and Energy Efficiency The new single-screw extruder excels not only in efficiency but also in environmental and energy-saving aspects. The machine features the latest energy-saving heating technology, reducing energy consumption while shortening heating times, further improving production efficiency. Additionally, the waste gas treatment system effectively captures and processes hydrogen chloride gas produced during production, minimizing environmental impact and ensuring a green and sustainable manufacturing process. Market Outlook As PVC finds extensive applications in construction and industrial sectors, the demand for efficient and environmentally friendly PVC extruders continues to grow. The introduction of the new single-screw extruder provides companies with a more efficient and eco-friendly production tool, meeting the market's demand for high-quality PVC products and driving technological progress within the industry. Conclusion The newly designed single-screw extruder for PVC materials opens up new avenues for the plastic processing industry with its exceptional performance and eco-friendly design. We believe that this technological innovation will lead the industry towards a more efficient and sustainable future.

2024

08/14

2024.08 Innovative technology breakthrough: Application of twin-screw extruder in PEEK material production

  Innovative technology breakthrough: Application of twin-screw extruder in PEEK material production   With the continuous progress of materials science and engineering technology, a high-performance engineering plastic called polyether ether ketone (PEEK) is gradually becoming the darling of the industry. PEEK is known for its excellent mechanical properties, chemical resistance, heat resistance and wear resistance, and is widely used in aerospace, automotive manufacturing, medical devices and electronic and electrical fields.   PEEK is a semi-crystalline, high-performance polymer with excellent thermal stability and mechanical strength. Its ability to maintain its physical properties at temperatures up to 250 degrees Celsius makes PEEK ideal for manufacturing high-performance components.   PEEK materials have a wide range of applications, including but not limited to: Aerospace: Used to make components that are lightweight and resistant to high temperatures. Automotive industry: For the manufacture of engine components and electrical systems. Medical devices: Used in the manufacture of implants and surgical tools due to their biocompatibility. Electronic and electrical: used in the manufacture of high temperature resistant insulation materials and connectors. The processing temperature of PEEK is usually between 350°C and 400°C, which requires that the processing equipment must have precise temperature control capabilities to ensure that the performance of the material is not damaged during processing.   Twin-screw extruder is the key equipment of PEEK material granulation. Its working principle is based on two meshing screws, which rotate in the extruder barrel to evenly mix, melt, transport, and finally extrude the PEEK raw material through the mold into the desired shape of particles. Raw material delivery: The rotation of the screw will evenly feed PEEK raw materials into the extruder. Melt mixing: In the heating area, PEEK raw material begins to melt under the action of heat, and is fully mixed under the push of the screw. Pressure build up: As the screw advances further, the molten PEEK material builds up pressure inside the barrel. Filtration and homogenization: The melt is passed through a filter to remove impurities and further homogenize. Pelletizing: The melt passes through a mold and forms particles of a specific shape, which are then cooled and collected. Through this efficient production process, the twin-screw extruder can not only ensure the high quality of PEEK materials, but also improve production efficiency and reduce costs. With the continuous progress of technology, the application prospect of twin-screw extruder in PEEK material production will be broader.   With the growing global demand for high-performance materials, the application of twin-screw extruders in the production of PEEK materials will become an important force to promote industrial development. We look forward to this technology revolutionizing more industries and contributing to the advancement of materials science worldwide."

2024

08/12

Innovative technologies leading the future: the application of twin-screw extruders in the pelletizing of PA+GF

  Innovative technologies leading the future: the application of twin-screw extruders in the pelletizing of nylon and glass fiber materials     With the rapid development of the plastics industry, the demand for high-performance plastic materials is increasing day by day. Nylon Reinforced with Glass Fiber, as an engineering plastic with excellent mechanical properties and heat resistance, has been widely used in automotive, electronics, aerospace and other fields. In order to meet the market demand for high quality nylon and glass fiber materials, our company has introduced advanced twin-screw extruder technology to provide more efficient and environmentally friendly granulation solutions. The processing temperature of nylon plus glass fiber materials is usually between 260°C and 290°C. In this temperature range, nylon matrix and glass fiber can be fully melted and evenly mixed to form a composite material with good mechanical properties. Too high or too low a processing temperature can affect the properties of the material, such as melt strength, fluidity, and the molding quality of the final product.   The twin-screw extruder achieves efficient mixing of nylon and glass fiber through its unique screw design. The section design of the screw, including the conveying section, the melting section, the mixing section and the homogenization section, ensures the uniform melting and dispersion of the material during the extrusion process. In particular, the design of the mixing section enhances the shear mixing ability of the material by changing the pitch and shape of the screw, so that the nylon matrix and the glass fiber can be mixed more evenly.   The twin-screw extruder not only improves the mixing uniformity of nylon and glass fiber material, but also has a positive effect on the final properties of the material. By precisely controlling the processing temperature and screw speed, twin-screw extruders optimize material flow and melt strength, thereby improving the molding accuracy and surface quality of the product. In addition, the uniform mixing also helps to improve the mechanical strength and heat resistance of the material, so that it can maintain stable performance in harsh working environments. O March 2024      

2024

08/08

In 2023, the plastic machinery industry will achieve double growth in the global market

  In 2023, the plastic machinery industry will achieve double growth in the global market, stable growth in the domestic market, and international expansion. Looking forward to the green and intelligent future of the industry, and moving towards a new era of sustainable development   Driven by the global economic recovery and the improvement of environmental awareness, the plastic machinery industry ushered in new development opportunities in 2023. This year, the plastic machinery industry has shown a positive growth trend in both the domestic and international markets, and has supported this trend with specific cases and data.   Domestic market demand is growing steadily:     Market size expansion: According to statistics, the market size of China's plastic machinery industry will increase by about 8% year-on-year in 2023, thanks to the continued growth in domestic demand for plastic products and the intelligent upgrading of the manufacturing industry. Technological innovation cases: For example, Nanjing Henglande, a well-known domestic plastic machinery company, successfully developed a fully electric twin-screw extruder with independent intellectual property rights. Its energy efficiency is more than 20% higher than that of traditional models and it quickly gained market recognition. The effect of policy support is significant: The state’s support policies for green manufacturing and intelligent manufacturing have provided strong support for the technological upgrading and market expansion of the plastic machinery industry. Competitiveness in the international market has been significantly improved:   Export data growth: According to customs data, China's total plastic machinery exports in the first half of 2023 increased by 15% year-on-year, demonstrating the competitiveness of Chinese plastic machinery in the international market. International cooperation case: Nanjing Henglande established a cooperative relationship with a well-known German automotive parts manufacturer, providing it with customized twin-screw extruders for the production of lightweight automotive interior parts. Diversified market layout: Chinese plastic machinery companies have not only made breakthroughs in traditional markets such as Southeast Asia and the Middle East, but have also successfully entered emerging markets such as South America and Africa. As the world pays more attention to environmental protection and sustainable development, the plastic machinery industry will continue to transform to green manufacturing and develop more energy-saving and environmentally friendly technologies and products. It is expected that by 2025, the intelligence level of China's plastic machinery industry will increase by 30%, and the intelligent optimization of the production process will be achieved by integrating advanced sensors, Internet of Things technology and artificial intelligence algorithms. Looking to the future, Chinese plastic machinery companies will continue to deepen their globalization strategy and accelerate the layout of the global market through overseas mergers and acquisitions, establishment of joint ventures, etc.   In 2023, the plastic machinery industry has achieved remarkable results in both domestic and foreign markets. With the continuous deepening of technological innovation and the continuous growth of market demand, we have reason to believe that the plastic machinery industry will usher in a broader development prospect.   We are a foreign trade company focusing on the research and development, production and sales of twin-screw extruders, and are committed to providing customers with efficient, energy-saving and environmentally friendly plastic processing solutions. Our products are widely used in many fields such as plastic recycling, biodegradable material production, and packaging material manufacturing.   We welcome global customers and partners to contact us to explore the green future of plastic processing together.        

2023

11/10

Innovative plastic processing technology - twin-screw extrusion granulation line leads the new trend of PP open masterbatch production

  Innovative plastic processing technology - twin-screw extrusion granulation line leads the new trend of PP open masterbatch production   With the rapid development of the plastics industry, PP (polypropylene) open masterbatch plays an increasingly important role in the processing of plastic products due to its excellent anti-adhesion properties and lubrication properties during processing. PP open masterbatch, which is composed of a variety of highly efficient special additives, can not only effectively reduce the adhesion of polyolefin plastic products, but also play a lubricating role in the processing process, and will not affect the transparency of the product.   The application range of PP open masterbatch is extremely wide, especially in food packaging, industrial packaging, daily chemical light industry and other fields, PP composite film, tissue film, food film and other products can be seen. The principle of action is that a layer of extremely lubricated film is formed on the surface of the plastic product, while a convex and convex structure is formed at the microscopic level, which significantly improves the opening performance.   In the process of producing PP open masterbatch, temperature control is particularly critical. Although the specific temperature parameters are not explicitly provided in the search results, in general, the processing temperature range of PP materials is between 180 ° C and 240 ° C, which helps to ensure the effective melting and mixing of PP materials.   The core of all this is the twin-screw extrusion granulation line. The production line adopts the building block principle design, and the screw structure can be replaced according to different process requirements to achieve efficient mixing and reaction of materials. The precision screw size design and full engagement design ensure that the gap between the material and the screw barrel is smaller, thus ensuring the quality and uniformity of the material reaction.   The working principle of the twin-screw extrusion granulation line is to successively pass through the stages of feeding, melting, melt conveying, mixing, exhaust, homogenization and metering extrusion. This process involves not only the change of physical state, but also the precise control of energy consumption, pressure establishment and temperature distribution. The scientific and reasonable combination of screw components plays a vital role in improving the mixing effect, product quality, production efficiency and reducing energy consumption.   With the continuous progress of technology, the twin-screw extrusion granulation line has shown its unparalleled advantages in the production of PP open masterbatch, which not only improves the production efficiency, but also ensures the excellent quality of products, which has brought revolutionary changes to the plastic processing industry.   As the leader of plastic processing technology, twin-screw extrusion granulation line is leading PP open masterbatch production to a new height with its high efficiency, energy saving and environmental protection characteristics. We have reason to believe that it will continue to play an indispensable role in the future development of the plastics industry.    

2023

09/16

Innovation-driven development: Twin screw extruders excel in the pelletizing of PE masterbatch materials

  Innovation-driven development: Twin screw extruders excel in the pelletizing of PE masterbatch materials   In the plastic processing industry, masterbatches are highly prized for their efficiency and consistency in the coloring process of plastic products. Polyethylene (PE) is a widely used plastic material, the preparation of its masterbatch is very important to improve the appearance and performance of plastic products. Our company focuses on the development and manufacture of plastic processing equipment, and the latest twin-screw extruder has demonstrated excellent performance in the pelletizing of PE masterbatch materials.   The processing temperature of PE masterbatch is usually controlled between 180°C and 240°C. In this temperature range, polyethylene can be fully melted, while ensuring that the pigments and additives in the masterbatch can be evenly dispersed, avoiding the decomposition or migration of pigments due to excessive temperature.   The twin-screw extruder uses two screws rotating synchronously, and achieves efficient mixing of PE masterbatches through precisely designed screw threads and groove depths. The segmented design of the screw includes a solid transport zone, a melting zone, a dispersion mixing zone and a homogenization zone, ensuring a smooth transition from solid to melt and a uniform dispersion of the pigment.   The efficient mixing and homogenization capabilities of the twin-screw extruder significantly improve the color uniformity and dispersion of PE masterbatches. This not only ensures the color consistency of plastic products, but also improves its light resistance and heat resistance, and extends the service life of the product. At the same time, precise temperature control and screw speed adjustment help to avoid thermal degradation of the material and maintain the original properties of the material.   High dispersion: The twin-screw extruder ensures that the pigment is evenly dispersed in the PE matrix, avoiding color spots and color differences. High yield: Efficient mixing and homogenization capabilities enable a significant increase in production efficiency, reducing downtime and waste of raw materials. High quality: Precise temperature and speed control ensures the quality and stability of PE masterbatch and reduces product defects. Energy saving and consumption reduction: The optimized screw design reduces energy consumption, reduces production costs, and is in line with the green production concept.   Our twin-screw extruders, with their superior performance and high efficiency, set a new industry standard in the pelleting of PE masterbatch materials. We believe that this innovative technology will bring more possibilities to the plastic processing industry and promote the development of plastic products in a higher quality and more environmentally friendly direction. ---July 2024              

2023

08/03

New Breakthrough in PEEK Extruder Technology

  With the increasing demand for high-performance engineering plastics, polyetheretherketone (PEEK) extruder technology has ushered in revolutionary development. The newly launched twin-screw extruder provides higher efficiency and precision for the processing of PEEK materials, further meeting the strict requirements of the aerospace, medical equipment, and electronics industries. Material and Preparation Polyether ether ketone (PEEK) is an engineering plastic with excellent high-temperature resistance, mechanical strength, and chemical resistance, widely used in demanding industrial applications. Due to the stringent processing requirements for PEEK, the material must undergo thorough drying before entering the extruder to prevent any residual moisture from causing thermal degradation or bubbles during processing, which could affect the strength and surface quality of the final product. Heating Temperature and Chemical Reactions PEEK has a melting temperature range of 340°C to 380°C, making it one of the few plastics that can be processed at such high temperatures. Within this range, PEEK undergoes a uniform physical melting process with no significant chemical reactions. However, even slight mismanagement of temperature can lead to thermal degradation, compromising the product's mechanical properties and chemical resistance. Therefore, our twin-screw extruder uses advanced temperature control technology to precisely manage the high-temperature environment, ensuring stable melting and high-quality output for PEEK materials. Extruder Technology The new twin-screw extruder is specifically designed for PEEK materials, capable of maintaining an efficient and stable processing environment at extreme temperatures. The screw structure is made from a special alloy that offers exceptional wear and corrosion resistance, ensuring long-term operation under high-temperature and high-pressure conditions. The optimized screw design significantly improves melt uniformity and shear control, making it ideal for processing highly precise components. Environmental and Energy Efficiency Although PEEK processing requires high energy consumption, our twin-screw extruder reduces overall energy use and carbon emissions through optimized heating systems and energy recovery technology. The advanced waste gas treatment system effectively removes any harmful gases that might be generated during processing, ensuring minimal environmental impact. Market Outlook As the applications for high-performance engineering plastics in aerospace, medical, and electronics sectors expand, the demand for PEEK materials is rapidly increasing. The launch of the new twin-screw extruder significantly enhances the efficiency and quality of PEEK material processing, providing companies with a robust technical foundation to gain a competitive edge in high-end markets. Conclusion This breakthrough in PEEK extruder technology brings new possibilities for high-performance engineering plastic processing. With its superior performance and environmentally conscious design, the new twin-screw extruder is poised to become a core piece of equipment in the industry. We look forward to this innovative technology providing reliable processing solutions for more advanced industries, leading the plastic processing industry to new heights.  

2023

04/19

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