{"id":624,"date":"2013-11-21T05:59:00","date_gmt":"2013-11-21T02:59:00","guid":{"rendered":"http:\/\/blog.polyurethan.ru\/?p=624"},"modified":"2021-10-06T03:52:50","modified_gmt":"2021-10-06T00:52:50","slug":"prefabricated-polyurethane-bushings","status":"publish","type":"post","link":"https:\/\/blog.polyurethan.ru\/en\/2013\/11\/21\/prefabricated-polyurethane-bushings\/","title":{"rendered":"Composite polyurethane bushings"},"content":{"rendered":"\n<p><strong>We offer an effective and, perhaps, the best replacement for bushings with a vertical axle position in the suspension unit, operating in \u201cswinging\u201d conditions. <\/strong><\/p>\n\n\n\n<p>Initially, such bushings have a more complex configuration. They have additional zones of softness, designed for unhindered swinging of the bushing relative to the inner metal sleeve and to reduce deformation of the rubber part.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped 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=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/03_en.jpg\" alt=\"\" data-id=\"7614\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/03_en.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/prefabricated-polyurethane-bushings\/03_en\/\" class=\"wp-image-7614\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/03_en.jpg?v=1617730098 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/03_en-300x225.jpg?v=1617730098 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/03_en-768x576.jpg?v=1617730098 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-3-1.jpg\" alt=\"\" data-id=\"630\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/prefabricated-polyurethane-bushings\/04-3-1\/\" class=\"wp-image-630\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-3-1.jpg?v=1617730685 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-3-1-300x225.jpg?v=1617730685 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-3-1-768x576.jpg?v=1617730685 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>When using original products of this type, the following problems often arise:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Separation of the inner metal sleeve.<\/li><li>Breaking and deformation of the entry point of the inner sleeve.<\/li><li>Dust and dirt getting into the hole and, as a result, creaking and accelerated wear of the entire silent block.<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">The solution has been found &#8211; composite polyurethane bushings! <\/h3>\n\n\n\n<p>As a solution to these problems, the company &#8220;Polyurethan&#8221; has released  bushings of improved design &#8211; composite bushings.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped aligncenter pu-imgs 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=\"907\" height=\"680\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/11\/DSC_3145-1024x680-1.jpg\" alt=\"\" data-id=\"16430\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/11\/DSC_3145-1024x680-1.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/11\/27\/avtozapchasti-981\/dsc_3145-1024x680\/\" class=\"wp-image-16430\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/11\/DSC_3145-1024x680-1.jpg?v=1617729084 907w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/11\/DSC_3145-1024x680-1-300x225.jpg?v=1617729084 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/11\/DSC_3145-1024x680-1-768x576.jpg?v=1617729084 768w\" sizes=\"auto, (max-width: 907px) 100vw, 907px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1310.jpg\" alt=\"\" data-id=\"13204\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1310.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2020\/10\/16\/ustanovka-sbornyh-sailentblokov\/100_1310\/\" class=\"wp-image-13204\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1310.jpg?v=1617729433 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1310-300x225.jpg?v=1617729433 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1310-768x576.jpg?v=1617729433 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Outstanding design differences of the composite bushing <\/h3>\n\n\n\n<p>The composite bushing consists of <strong><em>4 separate parts<\/em><\/strong>: a central part (outer metal sleeve plus polymer layer), an inner metal sleeve and 2 dust boots. The ready-to-sell product is <strong><em>composed<\/em><\/strong> from the listed components &#8211; hence the name \u201c<strong><em>composite<\/em><\/strong>&#8220;. Such a solution is possible due to the incredible resistance of polyurethane to abrasion and friction at the points of contact between polyurethane-metal and polyurethane-polyurethane. Rubber is unsuitable for this design.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped 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=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-5.jpg\" alt=\"\" data-id=\"633\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/prefabricated-polyurethane-bushings\/05-5\/\" class=\"wp-image-633\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-5.jpg?v=1617730685 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-5-300x225.jpg?v=1617730685 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-5-768x576.jpg?v=1617730685 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-3.jpg\" alt=\"\" data-id=\"635\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/prefabricated-polyurethane-bushings\/07-3\/\" class=\"wp-image-635\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-3.jpg?v=1617730684 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-3-300x225.jpg?v=1617730684 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-3-768x576.jpg?v=1617730684 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Solving the problem of separation of the metal sleeve <\/h3>\n\n\n\n<p>The problem of separation of the metal sleeve is solved in such a way that in these bushings the inner metal sleeve is not glued to the polymer layer, but is pressed in (for more details, see the article about <em><a href=\"https:\/\/blog.polyurethan.ru\/en\/2019\/09\/13\/silent-block\/\">bushings with a pressed-in inner sleeve<\/a><\/em>). Thus, the separation of polyurethane from the metal is impossible, since there is initially no connection between them.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter columns-2 is-cropped pu-imgs 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=\"768\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/02\/\u0420\u0438\u0441_2-1024x768.jpg\" alt=\"\" data-id=\"5697\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/silent-block\/%d1%80%d0%b8%d1%81_2\/\" class=\"wp-image-5697\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/02\/\u0420\u0438\u0441_2-1024x768.jpg?v=1617730291 1024w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/02\/\u0420\u0438\u0441_2-300x225.jpg?v=1617730291 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/02\/\u0420\u0438\u0441_2-768x576.jpg?v=1617730291 768w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/02\/\u0420\u0438\u0441_2-1536x1152.jpg?v=1617730291 1536w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/02\/\u0420\u0438\u0441_2.jpg?v=1617730291 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/02\/\u0414\u043e\u043f-2-1.jpg\" alt=\"\" data-id=\"19214\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/02\/\u0414\u043e\u043f-2-1.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/silent-block\/dop-2-1\/\" class=\"wp-image-19214\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/02\/\u0414\u043e\u043f-2-1.jpg?v=1617728958 1000w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/02\/\u0414\u043e\u043f-2-1-300x225.jpg?v=1617728958 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/02\/\u0414\u043e\u043f-2-1-768x576.jpg?v=1617728958 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Unobstructed swing of the composite vertical bushing<\/h3>\n\n\n\n<p>Unlike simply \u201cpressed\u201d bushings, \u201ccompound\u201d ones are designed taking into account the softness zones, which are so important in the construction of vertical silent blocks. That is, the \u201ccomposite\u201d silent block of our production also has softness zones comparable to those of the original part and performing the same function, only they are made differently, using the differences in properties of polyurethane and rubber.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-6 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=\"800\" height=\"599\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/08_en.jpg\" alt=\"\" data-id=\"7618\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/08_en.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/prefabricated-polyurethane-bushings\/08_en\/\" class=\"wp-image-7618\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/08_en.jpg?v=1617730097 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/08_en-300x225.jpg?v=1617730097 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/05\/08_en-768x575.jpg?v=1617730097 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"249\" height=\"187\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/10.gif\" alt=\"\" data-id=\"639\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/prefabricated-polyurethane-bushings\/10-2\/\" class=\"wp-image-639\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Solving the problem of dust and dirt <\/h3>\n\n\n\n<p>The problem of dust and dirt ingress was solved by the additional installation of two anthers that protect our silent block. The anthers also prevent vertical displacement of the silent block.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped aligncenter pu-imgs wp-block-gallery-7 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=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/09_ru.gif\" alt=\"\" data-id=\"638\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/09_ru.gif\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/13\/prefabricated-polyurethane-bushings\/09_ru\/\" class=\"wp-image-638\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/01\/\u043c\u043e\u0440\u043e\u04371.jpg\" alt=\"\" data-id=\"17805\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/01\/\u043c\u043e\u0440\u043e\u04371.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2021\/01\/22\/morozostojkost-izdelij-iz-poliuretana\/moroz1\/\" class=\"wp-image-17805\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/01\/\u043c\u043e\u0440\u043e\u04371.jpg?v=1617729013 1000w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/01\/\u043c\u043e\u0440\u043e\u04371-300x225.jpg?v=1617729013 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2021\/01\/\u043c\u043e\u0440\u043e\u04371-768x576.jpg?v=1617729013 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>To increase the service life of the silent block and prevent squeaks, it is recommended to fill the contact areas of the metal with polyurethane with grease. A more detailed guide for installing such silent blocks can be found in the<em><a href=\"https:\/\/blog.polyurethan.ru\/en\/category\/instructions\/\"> Instructions and Recommendations<\/a><\/em> section.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped aligncenter pu-imgs wp-block-gallery-8 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=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1307.jpg\" alt=\"\" data-id=\"13202\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1307.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2020\/10\/16\/ustanovka-sbornyh-sailentblokov\/100_1307\/\" class=\"wp-image-13202\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1307.jpg?v=1617729434 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1307-300x225.jpg?v=1617729434 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1307-768x576.jpg?v=1617729434 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1308.jpg\" alt=\"\" data-id=\"13203\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1308.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2020\/10\/16\/ustanovka-sbornyh-sailentblokov\/100_1308\/\" class=\"wp-image-13203\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1308.jpg?v=1617729434 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1308-300x225.jpg?v=1617729434 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/10\/100_1308-768x576.jpg?v=1617729434 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some silent blocks oriented vertically in a suspension assembly undergo a rocking motion. Their design is more complex \u2014 they have supplementary soft areas intended to allow smooth movement of the silent block relative to the inner metal sleeve. These soft areas are needed to reduce deformation of the rubber portion.<\/p>\n","protected":false},"author":1,"featured_media":30856,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233,22],"tags":[41,42,43,44],"class_list":["post-624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-top","category-silent-block-polyurethane","tag-sajlentblok","tag-sbornyj-saljentblok","tag-zona-mjagkosti-sajlentbloka","tag-otryv-vtulki-sajlentbloka"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"en","enabled_languages":["ru","en","es"],"languages":{"ru":{"title":true,"content":true,"excerpt":false},"en":{"title":true,"content":true,"excerpt":true},"es":{"title":true,"content":true,"excerpt":false}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Composite polyurethane bushings - Polyurethane blog<\/title>\n<meta name=\"description\" content=\"Some silent blocks oriented vertically in a suspension assembly undergo a rocking motion. Their design is more complex \u2014 they have supplementary soft areas intended to allow smooth movement of the silent block relative to the inner metal sleeve. These soft areas are needed to reduce deformation of the rubber portion.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.polyurethan.ru\/2013\/11\/21\/prefabricated-polyurethane-bushings\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Composite polyurethane bushings - Polyurethane blog\" \/>\n<meta property=\"og:description\" content=\"Some silent blocks oriented vertically in a suspension assembly undergo a rocking motion. Their design is more complex \u2014 they have supplementary soft areas intended to allow smooth movement of the silent block relative to the inner metal sleeve. 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