{"id":3808,"date":"2018-01-10T11:18:25","date_gmt":"2018-01-10T11:18:25","guid":{"rendered":"https:\/\/engineernewsnetwork.com\/blog\/?p=3808"},"modified":"2018-01-10T11:18:25","modified_gmt":"2018-01-10T11:18:25","slug":"condition-monitoring-of-critical-calender-roller-bearings","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/condition-monitoring-of-critical-calender-roller-bearings\/","title":{"rendered":"Condition monitoring of critical calender roller bearings \u00a0"},"content":{"rendered":"<p>With more than 30 manufacturing locations in over 20 countries worldwide, the RENOLIT Group is one of the leading global producers of high quality plastic film and related products for technical applications.<\/p>\n<p>Repeated rolling bearing failures on various calender units at the production plant in Worms, Germany, were causing unplanned downtime and costly production stoppages.<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 \/>\n<span class=\"highlight highlight-blue\"><a href=\"https:\/\/engineernewsnetwork.com\/blog\/schaeffler-integrates-sensor-technology-into-its-spindle-bearings\/\">Schaeffler<\/a><\/span> was given the task of developing a monitoring concept that would improve the overall availability of the facilities.<\/p>\n<p>The challenges included the very slow roller speeds, high housing temperatures (up to 150\u00b0C) and the difficulty of accessing the measurement points during production.<\/p>\n<p>Each of the six plastic sheeting calenders in the production plant in Worms consists of at least four calender rolls, which are supported by special multi-row cylindrical rolling bearing assemblies on both sides running under highest accuracy.<\/p>\n<p>The axial bearings can either be double-row angular contact ball bearings or deep groove ball bearings. Preload and roll bending forces are applied on the calender rolls by double-row cylindrical roller bearings.<\/p>\n<p><strong>Two-concept solution<\/strong><\/p>\n<p>Schaeffler&#8217;s condition monitoring team developed two concepts matched to the customer&#8217;s specific conditions. The first concept involved the installation of an online condition monitoring system for permanent monitoring of the facilities.<\/p>\n<p>The second concept consisted of conducting regular recurring vibration measurements (offline strategy).<\/p>\n<p>RENOLIT initially chose the offline strategy, which included the fixed installation of vibration sensors and the use of sensor switch boxes for querying the measurement data from a safe distance using a mobile vibration measuring system.<\/p>\n<p>A total of 88 measurement points on 178 individual bearings are monitored.<\/p>\n<p>Using the new monitoring concept developed by <span class=\"highlight highlight-blue\"><a href=\"https:\/\/engineernewsnetwork.com\/blog\/schaeffler-provides-short-term-monitoring-solution-for-a-cement-tube-mill\/\">Schaeffler<\/a><\/span>, RENOLIT can now closely monitor the condition of its calender rollers without interrupting production. Since 2013, six cases of rolling bearing damage have already been detected at an early stage using this concept.<\/p>\n<p>The affected bearings were replaced during planned maintenance intervals without causing any stoppages to production.<\/p>\n<p>If rolling bearing damage suddenly occurs during operation of a machine, this may result in a shutdown of the entire facility that could last for several days.<\/p>\n<p>The costs for such a shutdown are in the five-digit euro range. In addition, the data obtained through vibration monitoring helps to optimise maintenance activities over the long term.<\/p>\n<p>Another advantage for the customer is that it has found a partner who can supply high quality rolling bearing products and condition monitoring services from a single source.<\/p>\n<p>The offline condition monitoring concept can easily be transferred to other calender stands or similar production facilities.<\/p>\n<p>Precise positioning of the permanently installed sensors ensures that repeated measurements can be conducted according to occupational safety requirements.<\/p>\n<p>In addition, the concept can easily be expanded at a later date to provide permanent online monitoring with multi-channel condition monitoring systems from <span class=\"highlight highlight-blue\"><a href=\"https:\/\/engineernewsnetwork.com\/blog\/crisp-producer-relies-on-schaeffler-uk-for-vibration-analysis-and-thermographic-surveys\/\">Schaeffler<\/a><\/span> using the sensors that have already been installed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>With more than 30 manufacturing locations in over 20 countries worldwide, the RENOLIT Group is one of the leading global producers of high quality plastic film and related products for technical applications. Repeated rolling bearing failures on various calender units at the production plant in Worms, Germany, were causing unplanned downtime and costly production stoppages. &hellip;<\/p>\n","protected":false},"author":1,"featured_media":3809,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[405,1848,1847,513,302],"class_list":["post-3808","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-process","tag-condition-monitoring","tag-renolit","tag-rolling-bearing-failures","tag-rolling-bearings","tag-schaeffler"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Condition monitoring of critical calender roller bearings \u00a0 - Engineer News Network<\/title>\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\/condition-monitoring-of-critical-calender-roller-bearings\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Condition monitoring of critical calender roller bearings \u00a0 - Engineer News Network\" \/>\n<meta property=\"og:description\" content=\"With more than 30 manufacturing locations in over 20 countries worldwide, the RENOLIT Group is one of the leading global producers of high quality plastic film and related products for technical applications. Repeated rolling bearing failures on various calender units at the production plant in Worms, Germany, were causing unplanned downtime and costly production stoppages. &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.engineernewsnetwork.com\/blog\/condition-monitoring-of-critical-calender-roller-bearings\/\" \/>\n<meta property=\"og:site_name\" content=\"Engineer News Network\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-10T11:18:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.engineernewsnetwork.com\/blog\/wp-content\/uploads\/2018\/01\/sc549_02_lres.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/condition-monitoring-of-critical-calender-roller-bearings\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/condition-monitoring-of-critical-calender-roller-bearings\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/#\\\/schema\\\/person\\\/4477342aea8e299c6a21761e513ea8e1\"},\"headline\":\"Condition monitoring of critical calender roller bearings \u00a0\",\"datePublished\":\"2018-01-10T11:18:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/condition-monitoring-of-critical-calender-roller-bearings\\\/\"},\"wordCount\":482,\"image\":{\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/condition-monitoring-of-critical-calender-roller-bearings\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/wp-content\\\/uploads\\\/2018\\\/01\\\/sc549_02_lres.jpg\",\"keywords\":[\"condition monitoring\",\"RENOLIT\",\"rolling bearing failures\",\"rolling bearings\",\"Schaeffler\"],\"articleSection\":[\"Process\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/condition-monitoring-of-critical-calender-roller-bearings\\\/\",\"url\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/condition-monitoring-of-critical-calender-roller-bearings\\\/\",\"name\":\"Condition monitoring of critical calender roller bearings \u00a0 - 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