{"id":31,"date":"2026-08-24T08:12:52","date_gmt":"2026-08-24T08:12:52","guid":{"rendered":"https:\/\/www.goldprosteelballs.com\/case\/copper-sag\/"},"modified":"2026-11-04T02:14:38","modified_gmt":"2026-11-04T02:14:38","slug":"copper-sag","status":"publish","type":"goldpro_case","link":"https:\/\/www.goldprosteelballs.com\/fr\/case\/copper-sag\/","title":{"rendered":"\u00c9tude de cas client sur l'utilisation de billes de broyage forg\u00e9es de 140 mm dans une grande mine de cuivre"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Operating Challenge<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">High-impact duty increased the risk of ball breakage, deformation, grate blockage, and unplanned downtime.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Large-diameter SAG balls must combine impact toughness with controlled wear. Inconsistent hardness or heat treatment can increase scats, restrict discharge, disrupt the ball charge, and raise total grinding cost.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Engineered Solution<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Select alloy, diameter, and hardness gradient from ore hardness, feed size, mill diameter, speed, filling level, liner profile, and current breakage data. Verify each production batch before the plant trial.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Trial Validation<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Breakage-related cleanup, grate blockage, and downtime<\/li>\r\n<li>Out-of-round balls and scats throughout the wear cycle<\/li>\r\n<li>Media consumption, throughput, energy use, and total grinding cost<\/li>\r\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Goldpro a fourni des billes de broyage forg\u00e9es haute t\u00e9nacit\u00e9 de 140 mm, sur mesure, pour un broyeur SAG de grande taille (10,97 \u00d7 6,3 m) fonctionnant dans un circuit de broyage SABC. Goldpro a assur\u00e9 une assistance sur site pendant 30 jours afin de faciliter le remplacement progressif des billes de broyage existantes. Par cons\u00e9quent, le d\u00e9bit du broyeur est pass\u00e9 de 1\u00a0000 t\/h \u00e0 1\u00a0140 t\/h (+14 %), tandis que la consommation sp\u00e9cifique de billes de broyage a diminu\u00e9 de 0,72 \u00e0 0,65 kg\/t.<\/p>","protected":false},"featured_media":6779,"menu_order":0,"template":"","case_mineral":[57],"class_list":["post-31","goldpro_case","type-goldpro_case","status-publish","has-post-thumbnail","hentry","case_mineral-57"],"_links":{"self":[{"href":"https:\/\/www.goldprosteelballs.com\/fr\/wp-json\/wp\/v2\/goldpro_case\/31","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.goldprosteelballs.com\/fr\/wp-json\/wp\/v2\/goldpro_case"}],"about":[{"href":"https:\/\/www.goldprosteelballs.com\/fr\/wp-json\/wp\/v2\/types\/goldpro_case"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/fr\/wp-json\/wp\/v2\/media\/6779"}],"wp:attachment":[{"href":"https:\/\/www.goldprosteelballs.com\/fr\/wp-json\/wp\/v2\/media?parent=31"}],"wp:term":[{"taxonomy":"case_mineral","embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/fr\/wp-json\/wp\/v2\/case_mineral?post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}