{"id":9376,"date":"2018-10-10T10:26:35","date_gmt":"2018-10-10T09:26:35","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=9376"},"modified":"2018-10-10T10:26:35","modified_gmt":"2018-10-10T09:26:35","slug":"plastic-bearings","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/plastic-bearings\/","title":{"rendered":"How metal ball bearings compare to plastic bearings in the salt water test"},"content":{"rendered":"<p>In a recent experiment at the company\u2019s dry-tech test lab in Cologne Germany, igus compared the resilience of its <span class=\"highlight highlight-blue\"><a href=\"http:\/\/www.igus.co.uk\/xiros\" target=\"_blank\" rel=\"noopener\">xiros flanged ball bearing<\/a><\/span> and a conventional metallic bearing in salt water.<\/p>\n<p>Results prove that the use of lubrication-free and maintenance-free tribo-plastics enables the xiros bearing to remain completely unharmed.<br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-7565662001938327\" data-ad-slot=\"7585079586\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><br \/>\nFor the experiment, the igus engineers filled a container with saltwater from the sea and heated it to +80\u00b0C.<\/p>\n<p>Then two bearings were put inside for 120 hours: a classic 2-hole flange bearing made of metal and a xiros flange bearing made of xirodur B180.<\/p>\n<p>Both bearings were not completely covered in the test, but exposed to air in order to trigger the corrosion effect.<\/p>\n<p>\u201cThe test result spoke clearly in the end,\u201d says Robert Dumayne, dry-tech director at <span class=\"highlight highlight-blue\"><a href=\"https:\/\/www.engineernewsnetwork.com\/blog\/assemble-robot-in-about-30-minutes\/\" target=\"_blank\" rel=\"noopener\">igus<\/a><\/span>. \u201cAfter just a few hours, the metal bearing began to corrode.\u201d At the end of the experiment, significant traces of rust were visible on all the metal bearing components. The xiros flange ball bearing remained untouched, even after 120 hours in the heated salt water &#8211; being corrosion-free is a clear advantage for machine builders designing equipment for use in cleanrooms and food and medical technology, where rust poses a hygiene risk.<\/p>\n<p>The xiros ball bearings usually consist of four components: the inner and outer rings as well as the cages made of plastic and the balls made of stainless steel or glass.<\/p>\n<p>Unlike metal bearings, the wear-resistant polymer bearings enable a very smooth and hygienic dry operation without a single drop of lubricating oil and are maintenance-free. Their long service life can be easily calculated online.<\/p>\n<p>In addition, the plastic bearings are electrically insulating, temperature-resistant from -40 to +80\u00b0C, non-magnetic and 60% lighter and up to 40% more cost-effective than comparable metal bearings. They are suitable for absorbing medium loads and, due to their reliability, are widely used in conveyor belts, labelling, handling and packaging machines as well as in filling machines.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a recent experiment at the company\u2019s dry-tech test lab in Cologne Germany, igus compared the resilience of its xiros flanged ball bearing and a conventional metallic bearing in salt water. Results prove that the use of lubrication-free and maintenance-free tribo-plastics enables the xiros bearing to remain completely unharmed. For the experiment, the igus engineers &hellip;<\/p>\n","protected":false},"author":1,"featured_media":9377,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105,1],"tags":[227,5101,228,5100],"class_list":["post-9376","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-design","category-process","tag-igus","tag-metal-ball-bearings","tag-plastic-bearings","tag-xiros-flanged-ball-bearing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How metal ball bearings compare to plastic bearings in the salt water test - Engineer News Network<\/title>\n<meta name=\"description\" content=\"In a recent experiment at the company\u2019s dry-tech test lab in Cologne Germany, igus compared the resilience of its xiros flanged ball bearing and a conventional metallic bearing in salt water\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engineernewsnetwork.com\/blog\/plastic-bearings\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How metal ball bearings compare to plastic bearings in the salt water test - 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