{"id":643711,"date":"2024-11-06T01:34:43","date_gmt":"2024-11-06T01:34:43","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-ts-31657-42020\/"},"modified":"2024-11-06T01:34:43","modified_gmt":"2024-11-06T01:34:43","slug":"iso-ts-31657-42020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-ts-31657-42020\/","title":{"rendered":"ISO\/TS 31657-4:2020"},"content":{"rendered":"<p>This document establishes the permissible operational parameters in terms of guide values for the calculation of selected multi-lobed and tilting-pad journal bearings.<\/p>\n<p>In order to attain a sufficient operational safety of multi-lobed and tilting-pad journal bearings by the calculation according to ISO\/TS 31657-1, it is necessary for the operational characteristic value <i>h<\/i><sub>min<\/sub> to be significantly above the permissible operating parameter <i>h<\/i><sub>lim,tr<\/sub> and for the permissible operating parameters <i>T<\/i><sub>lim<\/sub> and <i>p<\/i><sub>lim<\/sub> not to be exceeded by the calculated operational characteristic values <i>T<\/i><sub>max<\/sub> and <i>p<\/i><sub>max<\/sub>.<\/p>\n<p>The guide values represent geometrically and technologically founded operational limiting values in the tribological system of plain bearings.<\/p>\n<p>They are empirical values that enable sufficient operational safety even in the event of smaller disturbing influences (see ISO\/TS 31657-1). The empirical values indicated can be modified for special application areas.<\/p>\n<p>NOTE    The explanations for the symbols and calculation examples are contained in ISO\/TS 31657-1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Plain bearings \u2014 Hydrodynamic plain journal bearings under steady-state conditions \u2014 Part 4: Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2020-06<\/td>\n<td>12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":643723,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[315,2634],"product_tag":[],"class_list":{"0":"post-643711","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-21-100-10","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/643711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/643723"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=643711"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=643711"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=643711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}