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Nanjing Henglande Machinery Technology Co., Ltd.
About us
Your Professional & Reliable Partner.
HLD is a professional manufacturing company specializing in research, development, design, and production of high-quality machinery products including “parallel twin-screw extruders,” “single-screw extruders,” as well as screw elements and kneading elements.We have more than 20 years of experience in the plastic machinery industry, we are one of the famous machinery manufacturers in China. Exports to more than 20 countries. Perfect design and service team, The factory is over 5000 square meters. ...
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Year Established

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Million+
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Million+
Customers Served

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Million+
Annual Sales
China Nanjing Henglande Machinery Technology Co., Ltd. HIGH QUALITY
Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.
China Nanjing Henglande Machinery Technology Co., Ltd. DEVELOPMENT
Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.
China Nanjing Henglande Machinery Technology Co., Ltd. MANUFACTURING
Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.
China Nanjing Henglande Machinery Technology Co., Ltd. 100% SERVICE
Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

quality Twin Screw Extruder & Recycling Plastic Pelletizer manufacturer

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50B twin-screw extrusion granulation production line for PP + calcium carbonate project was successfully accepted
50B twin-screw extrusion granulation production line for PP + calcium carbonate project was successfully accepted [KunShan,China, 20250319] – The 50B twin-screw extrusion pelletizing production line has successfully passed its acceptance test for the PP + calcium carbonate project, marking a significant milestone in advanced polymer processing technology. The project, designed to enhance the performance and cost-effectiveness of polypropylene (PP) composites through the addition of calcium carbonate, has undergone rigorous testing to ensure stability, efficiency, and high-quality output. With the adoption of state-of-the-art twin-screw extrusion technology, the production line has demonstrated exceptional dispersion capabilities, improved mechanical properties, and enhanced processing efficiency. Industry experts and technical teams conducted thorough evaluations of the production process, focusing on key parameters such as material homogeneity, energy efficiency, and output consistency. The results confirmed that the 50B twin-screw extrusion pelletizing line meets and exceeds industry standards, reinforcing its reliability in large-scale industrial applications. A spokesperson for the project team expressed enthusiasm about the successful acceptance, stating, “This achievement underscores our commitment to innovation and quality in polymer compounding. The optimized formulation and cutting-edge technology ensure superior product performance and sustainability.” The successful commissioning of this production line is expected to drive further advancements in modified plastics, catering to a wide range of applications across industries such as automotive, packaging, and construction. Moving forward, the project team aims to explore additional material formulations to expand the versatility and functionality of PP composites. This milestone highlights the ongoing evolution of polymer manufacturing, setting new benchmarks for efficiency, quality, and environmental sustainability in the industry.
Efficient Application of Twin-Screw Extruder in Engineering Plastic Production
Project Background An international engineering plastics manufacturer needed to produce high-performance PA (Nylon) and PC (Polycarbonate) materials for automotive parts and electronics industries. Traditional single-screw extruders faced issues such as uneven mixing and low production capacity, failing to meet the client’s demands for high quality and efficiency. To address this, we recommended a high-efficiency twin-screw extruder and provided a customized solution. Material Description PA (Nylon): Known for its high strength, wear resistance, and heat resistance, widely used in automotive parts, gears, and bearings. PC (Polycarbonate): Features high transparency and impact resistance, commonly used in electronic housings, optical lenses, and medical devices. Technological Innovations Efficient Mixing TechnologyThe twin-screw extruder adopts a co-rotating design, ensuring thorough material mixing during extrusion and eliminating the uneven mixing issues of traditional single-screw extruders. By optimizing the screw structure, the dispersion and compatibility of PA and PC materials are significantly improved, resulting in more stable product quality. Modular DesignThe equipment features a modular screw and barrel design, allowing quick adjustment of process parameters based on the characteristics of different materials (e.g., viscosity, melting point), catering to the diverse production needs of PA and PC. Intelligent Temperature Control SystemEquipped with a high-precision temperature control system, it monitors and adjusts the temperature of each heating zone in real time, ensuring PA and PC materials are extruded at optimal temperatures to avoid degradation or performance loss. Energy EfficiencyBy optimizing the drive system and heating methods, the equipment reduces energy consumption by 15% while minimizing waste generation, aligning with eco-friendly production standards. High Output CapacityThe high-speed design and high torque output of the twin-screw extruder increase the production efficiency of PA and PC materials by 30%, meeting the client’s large-scale production demands. Project Results Product Quality: The mechanical properties and appearance of PA and PC materials meet international standards, significantly improving customer satisfaction. Production Efficiency: Capacity increased by 30%, delivery cycles shortened, and the client’s market competitiveness enhanced. Energy Savings: Energy consumption reduced by 15%, production costs decreased, and client profitability improved. Client Feedback “The twin-screw extruder not only solved our technical production challenges but also helped us achieve efficient and energy-saving production goals. The stability and flexibility of the equipment have given us a competitive edge in the market.” Conclusion With its efficient mixing, modular design, and intelligent temperature control technologies, the twin-screw extruder has demonstrated exceptional performance in engineering plastic production. Whether for PA or PC materials, it enables high-quality and high-efficiency production, creating greater value for customers. This case study highlights the advantages of the twin-screw extruder through material descriptions and technological innovations, making it suitable for promotion on platforms like TradeKey to attract potential clients.
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 breakthrough: Application of experimental twin-screw extruder in the production of TPE mixed iron powder plastic particles
  Innovative breakthrough: Application of experimental twin-screw extruder in the production of TPE mixed iron powder plastic particles   In the field of plastics processing, thermoplastic elastomers (TPE) are favored for their superior physical properties and environmental properties. Recently, our company successfully applied experimental twin-screw extruder to the production of TPE mixed iron powder plastic particles, this innovative technology not only improves the production efficiency, but also broadens the application range of TPE.   The processing temperature of TPE materials is generally between 150-240 degrees Celsius, depending on the hardness and formulation of TPE. For soft materials, the processing temperature is usually 150-190 degrees Celsius, while for materials with higher hardness, a processing temperature of 180-240 degrees Celsius is required. In the production of TPE mixed iron powder, precise control of this temperature range is essential to ensure product quality.   TPE material is widely used in many fields because of its excellent flexibility, low temperature resistance and chemical resistance. These sectors include automotive parts, medical devices, sporting goods, electronics packaging, and building materials. The addition of TPE mixed iron powder plastic particles further expands its application prospects in the field of magnetic materials and electromagnetic shielding.   The experimental twin-screw extruder realizes the efficient production of TPE mixed iron powder plastic particles through its precise screw design and temperature control. The work flow of the extruder includes three steps: charging, heating and extrusion: Feeding: Solid plastic pellets are fed into the feeding device and then pushed into the barrel by the screw. Heating: In the barrel, an electric heating device heats solid plastic pellets to a molten state. The shear action of the screw helps the plastic to melt and mix fully. Extrusion: The molten plastic material passes through the extruder cylinder into the extruder head, where a specific shape profile is formed.   In the production of TPE mixed iron powder plastic particles, the screw design of twin-screw extruder is particularly important. It needs to be able to disperse the iron powder evenly to ensure its adequate mixing with the TPE material to produce particles with uniform properties. In addition, the long L/D ratio and high torque gear box of the twin-screw extruder provide sufficient reaction time for mixing, which is critical for the quality of the TPE mixed iron powder particles.               .

2021

10/31

New Advances in Screen Plate Technology for Twin-Screw Extruder Die Heads Enhance Production Efficiency
In the ever-evolving landscape of plastic processing, the introduction of advanced screen plate technology for twin-screw extruder die heads is setting new benchmarks for production efficiency and material quality. This innovation is designed to significantly enhance the filtration process during the extrusion of various polymers, providing manufacturers with a competitive edge.   Enhancing Quality and Performance   Screen plates are crucial components of twin-screw extruders, serving as a filtration mechanism that ensures impurities are removed from the polymer melt before it reaches the die. The latest advancements in screen plate design feature optimized pore sizes and configurations, which facilitate improved flow dynamics and enhanced melt quality. This translates to a more uniform product output with fewer defects, a critical factor in industries such as packaging, automotive, and construction.   Reducing Downtime and Maintenance Costs   One of the standout benefits of the new screen plate technology is its impact on operational efficiency. The innovative design allows for quicker and easier screen changes, reducing downtime during maintenance. Manufacturers can now expect to minimize production interruptions, leading to increased throughput and lower operational costs. The durable materials used in the new screen plates also enhance their lifespan, further reducing the need for frequent replacements.   Sustainability and Environmental Impact   In addition to improving production efficiency, the new screen plate technology contributes to sustainability efforts. By optimizing the filtration process, manufacturers can reduce waste and improve the overall recyclability of their products. This aligns with the industry’s shift towards more sustainable practices, catering to the growing consumer demand for environmentally friendly products.   Industry Adoption and Future Prospects   Early adopters of this innovative screen plate technology have reported significant improvements in both product quality and operational efficiency. As more companies recognize the advantages, the adoption rate is expected to increase, driving further innovations in twin-screw extrusion processes.   Conclusion   The introduction of advanced screen plate technology for twin-screw extruder die heads marks a significant milestone in the plastics processing industry. With enhanced filtration capabilities, reduced maintenance costs, and a commitment to sustainability, manufacturers are well-positioned to meet the challenges of today’s competitive market. As this technology gains traction, it promises to redefine standards in production efficiency and product quality for years to come.

2022

10/19