{"id":131,"date":"2017-02-21T14:39:30","date_gmt":"2017-02-21T06:39:30","guid":{"rendered":"http:\/\/www.beierextrusion.com\/?p=131"},"modified":"2022-07-26T10:36:13","modified_gmt":"2022-07-26T02:36:13","slug":"causes-damage-screw-barrel-plastic-pipe-extrusion","status":"publish","type":"post","link":"https:\/\/www.beierextrusion.com\/es\/causes-damage-screw-barrel-plastic-pipe-extrusion\/","title":{"rendered":"Causas de da\u00f1os en el tornillo y el cilindro de la extrusi\u00f3n de tubos de pl\u00e1stico"},"content":{"rendered":"<p>Causas de da\u00f1os en el tornillo y el cilindro de <a href=\"http:\/\/www.beierextrusion.com\/es\/\"><strong>extrusi\u00f3n de tubos de pl\u00e1stico<\/strong><\/a><br \/>\n1, la rotaci\u00f3n del tornillo en el barril, el material y la fricci\u00f3n entre los dos, de modo que el tornillo y el barril de la superficie de trabajo se desgastan gradualmente: el di\u00e1metro del tornillo se reduce gradualmente, el barril del di\u00e1metro del orificio aumenta gradualmente. De esta manera, el tornillo y el barril con el di\u00e1metro de la brecha, con el desgaste gradual de los dos aument\u00f3 ligeramente. Sin embargo, dado que la resistencia de la cabeza y el colector frente al cilindro no cambia, esto aumenta el flujo de fuga cuando el material extruido avanza, es decir, el flujo de material desde el espacio de di\u00e1metro hacia la direcci\u00f3n de alimentaci\u00f3n. Como resultado, se reduce la producci\u00f3n de la extrusora. Este fen\u00f3meno tambi\u00e9n hace que el material en el barril aumente el tiempo de residencia, lo que resulta en la descomposici\u00f3n del material. Si es polietileno, la descomposici\u00f3n del gas de cloruro de hidr\u00f3geno para fortalecer la corrosi\u00f3n del tornillo y el barril.<br \/>\n2, si el material, como el carbonato de calcio y el relleno de fibra de vidrio, puede acelerar el desgaste del tornillo y el cilindro.<br \/>\n3, debido a que el material no est\u00e1 plastificado de manera uniforme, o un cuerpo extra\u00f1o de metal se mezcla con el material, por lo que la fuerza de torsi\u00f3n de rotaci\u00f3n del tornillo aument\u00f3 repentinamente, esta torsi\u00f3n excede el l\u00edmite de fuerza del tornillo, la torsi\u00f3n del tornillo. Este es un da\u00f1o por accidente no convencional.<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-82\" src=\"http:\/\/www.beierextrusion.com\/wp-content\/uploads\/2017\/01\/sheet-extrusion-line.jpg\" alt=\"\" width=\"624\" height=\"619\" srcset=\"https:\/\/www.beierextrusion.com\/wp-content\/uploads\/2017\/01\/sheet-extrusion-line.jpg 624w, https:\/\/www.beierextrusion.com\/wp-content\/uploads\/2017\/01\/sheet-extrusion-line-150x150.jpg 150w, https:\/\/www.beierextrusion.com\/wp-content\/uploads\/2017\/01\/sheet-extrusion-line-300x298.jpg 300w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Causes of damage to screw and barrel of plastic pipe extrusion 1, the screw rotation in the barrel, the material and the friction between the two, so that the screw and the barrel of the working surface gradually wear: screw diameter gradually reduced, the barrel of the hole diameter gradually increased. In this way, the screw and the barrel with the diameter of the gap, with the gradual wear and tear of the two slightly increased. However, since the resistance of the head and the manifold in front of the barrel does not change, this increases the leakage flow when the extruded material is advanced, i.e., the flow of material from the diameter gap to the feed direction. As a result, the extruder production is reduced. This phenomenon also makes the material in the barrel to increase the residence time, resulting in material decomposition. If it is polyethylene, the decomposition of hydrogen chloride gas to strengthen the corrosion of the screw and barrel. 2, if the material such as calcium carbonate and glass fiber filler, can speed up the screw and barrel wear. 3, because the material is not plasticized evenly, or a metal foreign body mixed with the material,&#8230; <\/p>","protected":false},"author":1,"featured_media":82,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86,4],"tags":[15,18],"class_list":["post-131","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-extrusion-blog","tag-plastic-pipe-extrusion","tag-profile-extrusion-line"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Causes of Damage to Screw and Barrel of Plastic Pipe Extrusion<\/title>\n<meta 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