{"id":240,"date":"2025-12-12T15:13:48","date_gmt":"2025-12-12T14:13:48","guid":{"rendered":"https:\/\/www.fertek.fr\/le-principe-du-sablage\/"},"modified":"2025-12-19T10:43:51","modified_gmt":"2025-12-19T09:43:51","slug":"the-principle-of-sandblasting","status":"publish","type":"page","link":"https:\/\/www.fertek.fr\/en\/the-principle-of-sandblasting\/","title":{"rendered":"The principle of sandblasting"},"content":{"rendered":"<section class=\"l-section wpb_row height_medium color_primary\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column us_custom_41843a68\"><div class=\"wpb_wrapper\"><h1 style=\"text-align: center;\">Why <span style=\"color: #00a08a;\">sandblasting<\/span>?<\/h1>\n<p style=\"text-align: center;\">A train&#8217;s sand reservoir is far from being a decorative element: it is an essential safety device designed to improve the adhesion between the wheels and the rails. Its role is crucial under certain operating conditions.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_2 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_middle type_default stacking_default\"><div class=\"wpb_column vc_column_container us_custom_60e9caca us_animate_this\"><div class=\"vc_column-inner\"><div class=\"w-image us_custom_ce2a9303 align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"1080\" height=\"1420\" src=\"https:\/\/www.fertek.fr\/wp-content\/uploads\/fertek-sablage-rails.jpg\" class=\"attachment-full size-full\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/www.fertek.fr\/wp-content\/uploads\/fertek-sablage-rails.jpg 1080w, https:\/\/www.fertek.fr\/wp-content\/uploads\/fertek-sablage-rails-228x300.jpg 228w, https:\/\/www.fertek.fr\/wp-content\/uploads\/fertek-sablage-rails-779x1024.jpg 779w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container us_custom_47474b22 us_animate_this\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h4>Why <span style=\"color: #00a08a;\">apply sand<\/span> to the tracks?<\/h4>\n<p>Train wheels, like the tracks, are made of steel. This<strong> metal-to-metal contact<\/strong> naturally offers limited traction, which deteriorates significantly when:<\/p>\n<ul>\n<li>rain, snow, or ice are present;<\/li>\n<li>dead leaves are crushed on the tracks;<\/li>\n<li>dust, oil, or moisture accumulates.<\/li>\n<\/ul>\n<p>In these situations, the wheels can slip when starting or skid during braking, posing a risk to safety and operational reliability.<\/p>\n<h4>The role of the <span style=\"color: #00a08a;\">sand reservoir<\/span><\/h4>\n<ul>\n<li>The sandblasting system consists of <strong>a reservoir containing dry sand.<\/strong><\/li>\n<li>When activated by the driver, a <strong>flow of compressed air<\/strong> propels the sand onto the tracks, just ahead of the driving wheels.<\/li>\n<li>The sand increases the <strong>coefficient of friction<\/strong> between the wheel and the rail, thus improving:\n<ul>\n<li><strong>traction<\/strong> when starting;<\/li>\n<li><strong>braking<\/strong> <strong>efficiency<\/strong>, by limiting slippage;<\/li>\n<li>the <strong>accuracy of the stop<\/strong>, particularly in stations or when approaching signals.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row us_custom_6c987622 height_huge color_primary with_shape\"><div class=\"l-section-overlay\" style=\"background:rgba(8,51,120,0.83)\"><\/div><div class=\"l-section-shape type_tilt pos_top\" style=\"height:15vmin;\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 64 8\" preserveAspectRatio=\"none\" width=\"100%\" height=\"100%\">\r\n\t<path fill=\"currentColor\" d=\"M64 7.9 L64 10 L0 10 L0 0 Z\"\/>\r\n<\/svg><\/div><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_2 laptops-cols_inherit tablets-cols_1 mobiles-cols_1 valign_middle type_default stacking_default\"><div class=\"wpb_column vc_column_container us_custom_60e9caca us_animate_this\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>On which <span style=\"color: #00a08a;\">trains<\/span>?<\/h2>\n<p>Sandblasting is a widely used equipment. It can be found on:<\/p>\n<ul>\n<li><strong>freight<\/strong> trains;<\/li>\n<li><strong>passenger<\/strong> trains;<\/li>\n<li><strong>subways<\/strong>;<\/li>\n<li><strong>trams<\/strong>;<\/li>\n<li>and some <strong>high-speed trains (TGVs)<\/strong>, particularly in areas identified as having a high risk of loss of traction.<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container us_custom_47474b22 us_animate_this\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column us_custom_c1a94314 has_text_color\"><div class=\"wpb_wrapper\"><h3>Case <span style=\"color: #083378;\">study<\/span><\/h3>\n<p>In autumn, <strong>fallen leaves crushed on the tracks<\/strong> pose a significant challenge to railway operations. They form a pasty, <strong>extremely slippery film<\/strong>, with effects comparable to those of soap.<\/p>\n<p>Under these conditions, sand becomes an <strong>essential solution<\/strong>, a true anti-slip weapon against &#8220;slippery rails.&#8221;<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_large\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container us_custom_4cfb87d6\"><div class=\"vc_column-inner\"><div class=\"w-vwrapper us_custom_60e9caca us_animate_this align_none valign_top\"><div class=\"wpb_text_column us_custom_546be38a has_text_color\"><div class=\"wpb_wrapper\"><p style=\"text-align: center;\">A need ? A question ?<\/p>\n<\/div><\/div><div class=\"w-btn-wrapper align_center\"><a class=\"w-btn us-btn-style_1 icon_atleft\" href=\"https:\/\/www.fertek.fr\/en\/contact\/\"><i class=\"fas fa-arrow-right\"><\/i><span class=\"w-btn-label\">Contact us<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-240","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.fertek.fr\/en\/wp-json\/wp\/v2\/pages\/240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fertek.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fertek.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fertek.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fertek.fr\/en\/wp-json\/wp\/v2\/comments?post=240"}],"version-history":[{"count":5,"href":"https:\/\/www.fertek.fr\/en\/wp-json\/wp\/v2\/pages\/240\/revisions"}],"predecessor-version":[{"id":276,"href":"https:\/\/www.fertek.fr\/en\/wp-json\/wp\/v2\/pages\/240\/revisions\/276"}],"wp:attachment":[{"href":"https:\/\/www.fertek.fr\/en\/wp-json\/wp\/v2\/media?parent=240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}