m\u00e1quina de extrusi\u00f3n de tubos<\/a> involucra qu\u00edmica de pol\u00edmeros, f\u00edsica de pol\u00edmeros, teor\u00eda de la interfaz, maquinaria pl\u00e1stica, moldes de procesamiento de pl\u00e1stico, dise\u00f1o de formulaci\u00f3n y estructura, y control de procesos. La ciencia clave de la teor\u00eda de la extrusi\u00f3n estudia el movimiento y la tendencia cambiante de los pl\u00e1sticos en una extrusora. La relaci\u00f3n entre las tres condiciones f\u00edsicas de los pol\u00edmeros que ocurren en una extrusora bajo fuerzas externas y diferentes rangos de temperatura, as\u00ed como la estructura del tornillo, las propiedades pl\u00e1sticas y los est\u00e1ndares de producci\u00f3n y procesamiento. Y luego llevar a cabo un control de proceso razonable. Con el fin de lograr el objetivo de mejorar la producci\u00f3n y la calidad de los productos pl\u00e1sticos. Los materiales de pol\u00edmeros pl\u00e1sticos, cuando se calientan a presi\u00f3n constante, exhiben tres condiciones f\u00edsicas: estado v\u00edtreo, estado altamente el\u00e1stico y estado de flujo viscoso dentro de diferentes rangos de temperatura. Generalmente, la temperatura de moldeo de los pl\u00e1sticos est\u00e1 por encima de la temperatura de flujo viscoso.<\/p>\nLa rotaci\u00f3n del tornillo hace que la fuerza cortante rompa el pl\u00e1stico; La rotaci\u00f3n del tornillo hace que la fuerza impulsora contin\u00fae haciendo avanzar el pl\u00e1stico roto y, por lo tanto, provoque presi\u00f3n de extrusi\u00f3n; Bajo el efecto de la presi\u00f3n de extrusi\u00f3n, la placa de filtro y otras posiciones a las que se aplica la presi\u00f3n provocan fuerzas de reacci\u00f3n (es decir, contrapresi\u00f3n), lo que conduce al flujo completo y la mezcla del pl\u00e1stico, completando as\u00ed el equilibrio general del proceso de extrusi\u00f3n. Este proceso de eficacia es una condici\u00f3n necesaria y suficiente para la realizaci\u00f3n de la plastificaci\u00f3n uniforme de los pl\u00e1sticos.<\/p>","protected":false},"excerpt":{"rendered":"
Principles of PE tube extrusion machine The plastic manufacturing industry is a highly comprehensive and technological industrial chain. PE tube extrusion machine involves polymer chemistry, polymer physics, interface theory, plastic machinery, plastic processing molds, formulation and structure design, and process control. The key science of extrusion theory studies the movement and changing trend of plastics in an extruder. The relationship between the three physical conditions of polymers occurring in an extruder under external forces and different temperature ranges, as well as the screw structure, plastic properties, and production and processing standards. And then carry out reasonable process control. In order to achieve the goal of improving the production and quality of plastic products. Plastic polymer materials, when heated under constant pressure, exhibit three physical conditions: glass state, high elastic state, and viscous flow state within different temperature ranges. Generally, the molding temperature of plastics is above the viscous flow temperature. The rotation of the screw causes the shear force to break the plastic; The rotation of the screw causes the driving force to continue to advance the broken plastic and thus cause extrusion pressure; Under the effect of extrusion pressure, the filter plate and other positions to which the pressure… <\/p>","protected":false},"author":1,"featured_media":2682,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-3209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"yoast_head":"\n
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The relationship between the three physical conditions of polymers occurring in an extruder under external forces and different temperature ranges, as well as the screw structure, plastic properties, and production and processing standards. And then carry out reasonable process control. In order to achieve the goal of improving the production and quality of plastic products. Plastic polymer materials, when heated under constant pressure, exhibit three physical conditions: glass state, high elastic state, and viscous flow state within different temperature ranges. Generally, the molding temperature of plastics is above the viscous flow temperature. 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<\/p>\n