Rubber extrusion is a crucial manufacturing process widely used in various industries to shape rubber materials into continuous profiles with specific cross-sectional designs. The rubber extrusion production line represents a sophisticated system designed to efficiently convert raw rubber compounds into finished products that meet precise dimensional and performance requirements.
The rubber extrusion production line is specifically designed to handle the unique properties of rubber, including its elasticity, viscosity, and curing requirements. This system integrates several stages, from feeding the raw material to shaping, curing, and final finishing.
Before extrusion, raw rubber must be mixed with various additives such as fillers, accelerators, plasticizers, and curing agents. This preparation ensures the compound has uniform consistency and the desired physical properties. Mixing usually takes place in internal mixers or two-roll mills, producing rubber sheets or slabs ready for extrusion.
The prepared rubber compound is fed into the extrusion machine's hopper. This step requires consistent feeding to avoid interruptions and maintain uniform pressure within the extruder. Some systems use automatic feeding mechanisms to improve efficiency and reduce labor dependency.
The extruder is the core machine of the production line. It consists of a screw housed within a heated barrel. The screw rotates to convey, compress, and homogenize the rubber compound as it moves toward the die. Heat is applied to soften the rubber, making it pliable for shaping. The extruder's design, including screw configuration and barrel heating, is critical for achieving optimal flow and preventing degradation of the rubber.
At the end of the extruder, the rubber passes through a die that shapes the material into the desired profile. Dies are custom-designed to produce various cross-sectional shapes, from simple tubes and strips to complex seals and gaskets. The die design directly affects the quality and dimensional accuracy of the extruded product.
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APPLICATION FIELDS：
Automobile air conditioning system hose
Automobile fuel hose
Automobile brake hose
Automobile power-assisted steering hose