{"id":236,"date":"2014-04-18T10:58:00","date_gmt":"2014-04-18T07:58:00","guid":{"rendered":"http:\/\/blog.polyurethan.ru\/?p=236"},"modified":"2021-10-06T13:37:20","modified_gmt":"2021-10-06T10:37:20","slug":"frost-resistance","status":"publish","type":"post","link":"https:\/\/blog.polyurethan.ru\/es\/2014\/04\/18\/frost-resistance\/","title":{"rendered":"Poliuretano resistente a las heladas"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Introducci\u00f3n<\/h2>\n\n\n\n<p>Con base en la historia de las apelaciones de los\nclientes, la mayor\u00eda de las cuales residen en Rusia, analizamos los casos de\nfallas en las piezas de suspensi\u00f3n. Una de las principales razones para la destrucci\u00f3n\nde piezas de repuesto es la operaci\u00f3n en heladas severas. Como saben, ya a -20\n\u00b0 C, la mayor\u00eda de los cauchos comienzan a perder su elasticidad, y cuando la\ntemperatura cae a -30 \u00b0 C y m\u00e1s baja, comienza a vitrificarse, mientras pierde\nel resto de sus propiedades. Esto tiene un efecto muy negativo en varios pu\u00f1os,\nanillos de junta y otros productos cuya tarea es garantizar la estanqueidad. En\nla suspensi\u00f3n del autom\u00f3vil, las guardapolvos,\nespecialmente las Guardapolvos de\njuntas homocin\u00e9ticas y \u200b\u200blos amortiguadores hidr\u00e1ulicos, son las m\u00e1s\nafectadas por las bajas temperaturas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Guardapolvos de juntas\nhomocin\u00e9ticas<\/h2>\n\n\n\n<p>La especificidad del dispositivo de guardapolvos de juntas homocin\u00e9ticas\nes tal que requiere una lubricaci\u00f3n abundante y constante, no tolera la\nsuciedad. La estanqueidad est\u00e1 asegurada por cubiertas protectoras de goma\n(anteras). Las anteras de las bisagras tienen forma de corrugado, de modo que\ncada vez que se comprime la antera, la grasa untada a lo largo de las paredes\nvuelve a la bisagra. En caso de fuga, cualquier lubricante (con mayor\nfrecuencia en una base de molibdeno o litio) se oxida r\u00e1pidamente (o se\nexprime), lo que provoca el desgaste de todo el conjunto.<\/p>\n\n\n\n<p class=\"has-text-color has-luminous-vivid-orange-color\"><strong>El efecto destructivo de las bajas temperaturas en el guardapolvo<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped Aligncenter-pu-imgs-l wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"188\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/102-1.jpg\" alt=\"\" data-id=\"240\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/102-1.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/09\/frost-resistance\/102-1\/\" class=\"wp-image-240\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"188\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/103.jpg\" alt=\"\" data-id=\"241\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/103.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/09\/frost-resistance\/attachment\/103\/\" class=\"wp-image-241\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background has-luminous-vivid-orange-background-color\" href=\"https:\/\/polyurethan.es\/en\/category\/pylniki-shrus-1087\/\" style=\"border-radius:50px\"> <strong>Recoger un guardopolvo para su auto <\/strong><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Hidr\u00e1ulica, amortiguadores<\/h2>\n\n\n\n<p>Los amortiguadores\nhidr\u00e1ulicos (l\u00edquidos), en los que el fluido de trabajo es aceite, tambi\u00e9n son\nmuy vulnerables a las bajas temperaturas. Adem\u00e1s de cambiar la viscosidad del\naceite bajo la influencia de las heladas, puede ocurrir algo mucho m\u00e1s\ndesagradable. Como resultado de la congelaci\u00f3n, los casquillos de goma del\namortiguador pierden su elasticidad, lo que conduce a una fuga del fluido de\ntrabajo del amortiguador y su descomposici\u00f3n.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped Aligncenter-pu-imgs-l wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"188\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/201.jpg\" alt=\"\" data-id=\"243\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/201.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/09\/frost-resistance\/attachment\/201\/\" class=\"wp-image-243\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"188\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/202.jpg\" alt=\"\" data-id=\"244\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/202.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/09\/frost-resistance\/attachment\/202\/\" class=\"wp-image-244\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background has-luminous-vivid-orange-background-color\" href=\"https:\/\/polyurethan.es\/en\/category\/prostavki-podushki-pod-pruzhiny-1073\/\" style=\"border-radius:50px\"><strong> comprar espaciadores, almohadas debajo de los muelles <\/strong><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Bloques silenciosos<\/h2>\n\n\n\n<p>Ser\u00eda un error pensar\nque solo los productos de caucho (anteras, bujes) sufren de heladas severas;\nesto tambi\u00e9n se aplica a los bloques silenciosos, en los que el problema m\u00e1s\ncom\u00fan es la separaci\u00f3n de caucho \/ poliuretano del metal. <\/p>\n\n\n\n<p>Para resolver los\nproblemas anteriores y debido a la falta de una oferta de este tipo en el\nmercado, estamos trabajando para aumentar la estabilidad de tales piezas de\nsuspensi\u00f3n ante heladas severas. El trabajo se lleva a cabo simult\u00e1neamente en\nvarias direcciones: aumentando la resistencia del material a bajas temperaturas\ny haciendo cambios en el dise\u00f1o de las piezas.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped Aligncenter-pu-imgs-l wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"188\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/203.jpg\" alt=\"\" data-id=\"245\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/203.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/09\/frost-resistance\/attachment\/203\/\" class=\"wp-image-245\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"188\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/204.jpg\" alt=\"\" data-id=\"246\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/204.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/09\/frost-resistance\/attachment\/204\/\" class=\"wp-image-246\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Poliuretano resistente\na las heladas<\/h2>\n\n\n\n<p>Nuestros especialistas\nhan desarrollado una f\u00f3rmula \u00fanica para el poliuretano resistente a las heladas\n(PU54), que permanece operativa a temperaturas de hasta -50 \u00b0 C. Sin embargo,\npara lograr esto, tuvimos que sacrificar algunos otros indicadores, ya que las\npropiedades del poliuretano pueden variar debido a cambios en la composici\u00f3n\nqu\u00edmica de las materias primas, aumentando algunos par\u00e1metros para reduciendo a\notros. Esto distingue fundamentalmente nuestros productos no solo de los\nan\u00e1logos de caucho, sino tambi\u00e9n de los productos de poliuretano de otros fabricantes\nde todo el mundo, que ni siquiera se fijan el objetivo de agregar una propiedad\ncomo la resistencia a las heladas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Repuestos de\npoliuretano de otros fabricantes<\/h2>\n\n\n\n<p>Las piezas de\nsuspensi\u00f3n de poliuretano de algunos fabricantes son de alta calidad,\nconfiabilidad y durabilidad, superando a las contrapartes de goma en muchos\naspectos. Pero tienen un defecto grave que niega todas sus ventajas. La mayor\u00eda\nde los productos de poliuretano de fabricantes extranjeros (especialmente\naustralianos) no est\u00e1n dise\u00f1ados para funcionar en las duras condiciones de los\ninviernos polares, y generalmente &#8220;mueren&#8221; (pierden elasticidad y\nresistencia al desgaste) incluso cuando la temperatura ambiente cae a -15 \u00b0 C.<\/p>\n\n\n\n<p class=\"has-text-color has-luminous-vivid-orange-color\"><strong>La bota de poliuretano no pierde sus propiedades en ning\u00fan clima<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped Aligncenter-pu-imgs-l wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"709\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-3-1024x709.jpg\" alt=\"\" data-id=\"8099\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-3.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/09\/frost-resistance\/m-3\/\" class=\"wp-image-8099\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-3-1024x709.jpg?v=1617730050 1024w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-3-300x208.jpg?v=1617730050 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-3-768x531.jpg?v=1617730050 768w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-3.jpg?v=1617730050 1042w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"705\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-2-1024x705.jpg\" alt=\"\" data-id=\"8095\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-2.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/09\/frost-resistance\/m-2\/\" class=\"wp-image-8095\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-2-1024x705.jpg?v=1617730051 1024w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-2-300x206.jpg?v=1617730051 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-2-768x528.jpg?v=1617730051 768w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/m-2.jpg?v=1617730051 1045w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusi\u00f3n<\/h2>\n\n\n\n<p>La combinaci\u00f3n de\nresistencia a las heladas del material con un dise\u00f1o avanzado hace que nuestros\nproductos sean \u00fanicos. La prueba del producto a bajas temperaturas se realiza\nregularmente en congeladores especiales. Adem\u00e1s de las pruebas de laboratorio,\nnuestros productos se prueban en condiciones de expediciones polares, y\nnuestros productos resisten todas las &#8220;torturas por heladas&#8221; con\n\u00e9xito constante.<\/p>\n\n\n\n<p>Los beneficios de la resistencia a las heladas de nuestros productos ya han sido apreciados por todos los empleados de la empresa de la oficina central en Siberia desde su propia experiencia. Una vez que pruebe las piezas de suspensi\u00f3n resistentes a las heladas, ya no querr\u00e1 volver a una vida pasada llena de problemas como la descomposici\u00f3n de las piezas de repuesto en condiciones de fr\u00edo extremo. Dando preferencia a nuestros productos, ahorrar\u00e1 tiempo y nervios, obteniendo comodidad y alta calidad.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una de las principales razones para la destrucci\u00f3n de piezas de repuesto es la operaci\u00f3n en heladas severas.<\/p>\n","protected":false},"author":1,"featured_media":11,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[36,37,38,13,14,15],"class_list":["post-236","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-about-polyurethane-and-other-materials","tag-pylniki-shrusa","tag-vtulki-amortizatora","tag-sajlentbloki-dlja-severa","tag-morozostojkost","tag-nizkaja-temperatura","tag-poliuretan-i-holod"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"es","enabled_languages":["ru","en","es"],"languages":{"ru":{"title":true,"content":true,"excerpt":true},"en":{"title":true,"content":true,"excerpt":true},"es":{"title":true,"content":true,"excerpt":true}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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