Hebei Shuangda Rubber and Plastics Machinery Co., Ltd. is a modern enterprise that integrates research and development, manufacturing, and sales of complete sets of extrusion equipment for rubber, silicone, and plastics. The company’s main products include rubber extruders, rubber hose extrusion lines, three‑layer composite sealing strip extrusion lines, silicone sealing strip production lines, plastic sealing strip production lines, plastic pipe production lines, elastomer extruders, and other extrusion equipment, as well as production machinery for engineering seals, automotive seals, wire and cable applications, air‑conditioning hoses, braided hoses, automotive hoses, waterstop strips, and related products.

Performance Characteristics of Rubber Extruders

The rubber extruder is equipped with an AC motor and a variable-frequency drive, offering a wide speed-regulation range, excellent adaptability to producing rubber products of various specifications, and convenient operation.

The rubber extruder employs a hardened‑tooth‑surface gearbox, which delivers low noise, high transmission torque, stable operation, and easy maintenance.

The rubber extruder employs a cooled feed roller for forced feeding, enabling the processing of various rubber strip materials with high extrusion density and excellent product quality.

The rubber extruder is equipped with a dual‑channel automatic temperature controller, ensuring minimal temperature fluctuations during heating. It allows for optimal selection of the heating temperature according to different processing requirements and automatically maintains the set temperatures of both the barrel and the die.

The rubber extruder employs water jacket heating and can also be heated by steam. The barrel is equipped with circulating cooling, enabling instant cooling of the material to prevent thermal degradation.

Facing challenges head-on, bolstering confidence, and creating brilliance. While successfully replacing traditional manufacturing industries, it has also met the demands of modern productivity and highly stable precision machining. Hebei Shuangda Rubber & Plastics Machinery has firmly established itself as a leading manufacturer of rubber extruders, with its products earning consistent acclaim from a broad customer base. Its extruders deliver outstanding performance in producing a wide range of specialized profiles for rubber hoses, composite rubber hoses, and other rubber products.

Rubber Extruder Procurement – 9O Rubber Extruders: Our company adheres to the principles of “integrity, fairness, and safety” in conducting business, offering high‑quality, affordably priced rubber extruders to meet our customers’ needs. By combining superior product quality with scientifically sound, standardized management, we have seen steady growth in our performance. Hebei Shuangda Rubber & Plastics Machinery recommends that customers opt for road transportation, and we will closely monitor the safe delivery of your order every step of the way.

Working principle of a rubber extruder

Extrusion molding is a manufacturing process in which a plasticizable compound is continuously forced through a die under specific conditions, thereby producing a product with a defined cross-sectional shape.

As the rubber compound advances along the screw, mechanical and thermal effects cause changes in its viscosity and plasticity, transforming it into a viscous fluid. Based on these changes during extrusion, the working section of the screw is typically divided into three main zones according to their respective functions: the feeding zone, the compression zone, and the metering zone.

Cold-feed extrusion with a rubber extruder

Advantages: It saves on hot‑melt processing equipment, facilitates mechanization and automation, and, thanks to the extruder’s enhanced screw shear and plasticizing action, ensures uniform temperature and plasticity of the compound. It also improves the quality of extruded products, enhances surface finish, and produces semi‑finished extrudates with more stable and consistent dimensions. Furthermore, cold‑feed extrusion is less sensitive to pressure fluctuations and offers greater operational flexibility, while requiring lower capital and operating costs.

Advantages of Rubber Extruders

Suitable for extruding rubber compounds (EPDM, natural rubber, neoprene, butyl, and reclaimed rubber), it is used to produce composite sealing strips for architectural doors and windows, single‑extruded sealing strips, as well as dense and foamed rubber products in various shapes—such as tapes, strips, tubes, and sheets—for applications in construction, electrical appliances, machinery, water conservancy, and other industries.

Cold-feed rubber sealing strip extruder: This is a type of equipment that uses cold rubber for production, with forced cold feeding as the standard feeding method. Cold-feed rubber extruders are characterized by high production efficiency and stable operation. Extruders are commonly used to manufacture products such as sealing strips and rubber hoses, which can be produced using extrusion technology. An extruder is a rubber-processing machine employed to extrude tread compounds, inner tubes, rubber hoses, and various rubber profiles.

There is still much information about rubber extruders waiting for you to explore. For inquiries, please call Manager Jiang at 13463938789.