{"id":5430,"date":"2012-06-20T16:43:31","date_gmt":"2012-06-20T16:43:31","guid":{"rendered":"https:\/\/www.unirope.com\/?p=5430"},"modified":"2020-04-13T19:42:23","modified_gmt":"2020-04-13T19:42:23","slug":"dimensions-des-poulies-et-des-tambours","status":"publish","type":"post","link":"https:\/\/www.unirope.com\/fr\/dimensions-des-poulies-et-des-tambours\/","title":{"rendered":"Dimensions des poulies et des tambours"},"content":{"rendered":"<div style=\"float: left; width: 48%;\">\n<h2>Dimensions de poulie<\/h2>\n<p>Nous recommandons de n\u2019utiliser que des poulies en acier ou en acier coul\u00e9. Les valeurs recommand\u00e9es sont les suivantes :<\/p>\n<p><strong>Rayons de gorge (r) :<\/strong><br \/>\nMinimum de 0.53 \u00e0 0.535 x d<br \/>\nMaximum 0.55 x d<br \/>\nRecommand\u00e9 : \u2248 1 % au-del\u00e0 du diam\u00e8tre effectif du c\u00e2ble d\u2019acier<\/p>\n<p><strong>Profondeur de gorge (h) :<\/strong><br \/>\nRecommand\u00e9 : \u2248 1.5 x d ou d x \u221a2<\/p>\n<p><strong>Angle d\u2019entr\u00e9e de la poulie :<\/strong><br \/>\nPour des applications normales, utilisez une ouverture de 35\u00b0 \u00e0 45\u00b0. Pour les applications avec angles de d\u00e9flexion de plus de 1.5\u00b0 utilisez une ouverture de 60\u00b0. Il faut \u00e9viter des angles de moins de 35\u00b0.<\/p>\n<p><strong>Duret\u00e9 de la poulie :<\/strong><br \/>\n\u00c9tant donne que la duret\u00e9 des files simples dans un c\u00e2ble peut \u00eatre d\u2019environ 50-55 RC, la duret\u00e9 de la surface de la poulie doit \u00eatre de min. 35 RC, le mieux \u00e9tant 40-45 RC.<\/p>\n<p><strong>Rapports D\/d :<\/strong><br \/>\nEn fonction de l\u2019\u00e9quipement et de l\u2019utilisation du c\u00e2ble d\u2019acier dans les applications de levage et de traction, on sugg\u00e8re les ratios suivants :<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-2641\" title=\"pg21-img01\" src=\"\/wp-content\/themes\/unirope\/img\/pg21-img01.gif\" alt=\"\" width=\"280\" height=\"96\" \/><\/p>\n<div class=\"table-half\">\n<table class=\"data\" width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th valign=\"bottom\"><strong>CONSTRUCTION<\/strong><\/th>\n<th valign=\"bottom\"><strong>Recommand\u00e9<br \/>\nMinimum rapport D\/d<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td valign=\"top\">6&#215;19 S IWRC<\/td>\n<td valign=\"top\">34<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">6&#215;26 WS IWRC<\/td>\n<td valign=\"top\">30<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">6&#215;25 FW IWRC<\/td>\n<td valign=\"top\">26<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">6&#215;36 WS IWRC<\/td>\n<td valign=\"top\">23<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Python&reg; Multi<\/td>\n<td valign=\"top\">20<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Python&reg; Super 8<\/td>\n<td valign=\"top\">20<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Python&reg; Power 9<\/td>\n<td valign=\"top\">26<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Python&reg; Ultra<\/td>\n<td valign=\"top\">26<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">8&#215;36<\/td>\n<td valign=\"top\">18<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">19&#215;7 \/ 18&#215;7<\/td>\n<td valign=\"top\">34<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">19&#215;19<\/td>\n<td valign=\"top\">20<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Python&reg; Compac 18<\/td>\n<td valign=\"top\">20<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Python&reg; Hoist<\/td>\n<td valign=\"top\">20<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Python&reg; Compac 35<\/td>\n<td valign=\"top\">20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"float: right; width: 48%;\">\n<h2>Dimensions des tambours<\/h2>\n<p><strong><\/strong>G\u00e9n\u00e9ralement, nous recommandons de seulement utiliser des tambours rainur\u00e9s. Le c\u00e2ble est enroul\u00e9 correctement et positivement. En fonction du rapport diam\u00e8tre tambour\/c\u00e2ble, on peut utiliser des tambours \u00e0 rainures h\u00e9lico\u00efdales pour des applications n\u00e9cessitant plus de 3 couches de c\u00e2bles sans usure excessive. Pour les applications de plus de 3 couches (par ex. des grues mobiles)nous recommandons la rainure \u00ab\u00a0Lebus\u00a0\u00bb.<\/p>\n<p>Il faut toutefois se rappeler que la dur\u00e9e de vie d\u2019un c\u00e2ble monte sur un tambour multicouche ne repr\u00e9sente qu\u2019une fraction de la dur\u00e9e de vie d\u2019un c\u00e2ble monte sur un tambour monocouche \u00e0 rainures h\u00e9lico\u00efdales.<\/p>\n<p>Important : Pour des applications standard, le rainurage du tambour doit \u00eatre \u00e0 gauche pour les c\u00e2bles standard a commettage a droite.<\/p>\n<p><strong>Rayon de gorge (r) :<\/strong><br \/>\nMinimum de 0.53 \u00e0 0.535 x d<br \/>\nMaximum 0.55 x d<\/p>\n<p><strong>Pas de diam\u00e8tre (p) :<\/strong><br \/>\nLe pas de diam\u00e8tre doit \u00eatre choisi en relation avec le rayon de la gorge. Le pas de diam\u00e8tre ne peut sous aucune circonstance \u00eatre inf\u00e9rieur aux valeurs suivantes :<br \/>\n\u2022 Minimum 2.065 x rayon de la gorge<br \/>\n\u2022 Maximum 2.18 x rayon de la gorge<\/p>\n<p>Lorsqu\u2019on applique ces valeurs a des tambours rainure \u00e0 enroulement monocorde, l\u2019angle de d\u00e9flexion maximal autorise est de 4\u00b0 pour les c\u00e2bles d\u2019acier r\u00e9guliers. Pour les c\u00e2bles antigiratoires et r\u00e9sistants \u00e0 la rotation l\u2019angle de d\u00e9flection maximal n\u2019est plus que de 1.5\u00b0.<\/p>\n<p><strong>Profondeur de la gorge (h) :<\/strong><br \/>\nMinimum \u2265 0.374 x d pour les tambours \u00e0 enroulement h\u00e9lico\u00efdal.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-2642\" title=\"pg21-img02\" src=\"\/wp-content\/uploads\/2014\/01\/pg21-img02-fr.gif\" alt=\"\" width=\"280\" height=\"505\" \/><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Dimensions de poulie Nous recommandons de n\u2019utiliser que des poulies en acier ou en acier coul\u00e9. Les valeurs recommand\u00e9es sont les suivantes : Rayons de gorge (r) : Minimum de 0.53 \u00e0 0.535 x d Maximum 0.55 x d Recommand\u00e9 : \u2248 1 % au-del\u00e0 du diam\u00e8tre effectif du c\u00e2ble d\u2019acier Profondeur de gorge (h) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[139],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\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.unirope.com\/fr\/dimensions-des-poulies-et-des-tambours\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dimensions des poulies et des tambours - Unirope Ltd.\" \/>\n<meta property=\"og:description\" content=\"Dimensions de poulie Nous recommandons de n\u2019utiliser que des poulies en acier ou en acier coul\u00e9. 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