Types of Twin-Screw Extruders

• Co-Rotating: Both screws rotate in the same direction, ideal for mixing and compounding.
• Counter-Rotating: Screws rotate in opposite directions, suitable for shear-sensitive materials.

Main Components

• Barrel: Houses the screws; can be modular for flexibility.
• Screws: Intermeshing elements that mix and convey materials.
• Drive System: Typically an electric motor powering the screws.
• Feeding System: Introduces raw materials into the barrel.
• Heating/Cooling Systems: Maintain optimal temperature for processing.

Working Principle Materials are introduced into the barrel and moved through by the rotating screws, ensuring thorough mixing, shearing, and conveying. The material undergoes heating, melting, and shaping during its passage through the barrel.

Applications

• Plastics: Polymer compounding, recycling, and film production.
• Food: Producing cereals, snacks, and pet food.
• Pharmaceuticals: Drug formulation and controlled-release products.
• Chemicals: Chemical mixing and masterbatch production.

Advantages

• Versatility: Handles a wide range of materials and processes.
• Efficiency: Ensures high throughput and consistent product quality.
• Flexibility: Modular design for specific application customization.

Twin-screw extruders are essential in various industries due to their efficiency, flexibility, and capacity for complex processes.

Nanxiang Machinery is a specialized manufacturer of precision-processed threaded elements, kneading blocks, mandrels, ultra-hard screw accessories, and wear-resistant alloy steel sleeves for parallel twin-screw extruder components. The company's products are widely used in internationally renowned brands such as Coperion, Leistritz, Berstorff, KOBE, and JSW. Their applications span across the plastic industry, food industry, feed industry, pellet manufacturing industry, and pharmaceutical industry. Nanxiang has established long-term and stable cooperative relationships with large equipment manufacturers and plastic manufacturers in Shanghai, Jiangsu, Zhejiang, Guangdong, Shandong, Shaanxi, Anhui, Chongqing, and Sichuan, and has long-term partnerships with customers in India, Thailand, Malaysia, Israel, Australia, and other countries.