EN 
简体中文The pitch of the screw barrel, that is, the distance between two adjacent threads, plays a key role in the extrusion process and directly affects the mixing and melting results of plastic particles.
Through reasonable pitch arrangement, the screw effectively pushes the solid plastic particles to the high-temperature barrel wall while rotating, achieving the preliminary stage of mixing. This not only ensures adequate mixing of the plastic particles, but also lays a solid foundation for the subsequent melting process.
By adjusting the size and change of the pitch, precise control of the degree of melting can be achieved. Appropriate pitch design can ensure the uniformity of melting, so that the formed melt has good consistency, thus providing a reliable basis for the quality of the final extruded material.
The adjustment of the screw pitch also directly affects the pushing and extrusion speed of plastic particles. By carefully designing the screw pitch, the plastic particles can be pushed forward smoothly under the rotation of the screw, and finally the extruded material in the desired shape is formed at the extrusion head. This design not only improves production efficiency, but also helps form an ideal extruded material structure.
Furthermore, the size and change of the screw pitch have a direct impact on the shape and structure of the extruded material. By cleverly adjusting the screw pitch, the appearance, size and shape of the extruded material can be precisely controlled to meet specific product requirements. This customized control facilitates the production of plastic products, ensuring that the final product meets design and standard requirements.
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