{"id":6556,"date":"2026-09-28T09:26:01","date_gmt":"2026-09-28T09:26:01","guid":{"rendered":"https:\/\/www.goldprosteelballs.com\/?post_type=goldpro_case&#038;p=6556"},"modified":"2026-11-04T02:52:43","modified_gmt":"2026-11-04T02:52:43","slug":"case-study-of-high-hardness-low-wear-at-a-large-copper-mine","status":"publish","type":"goldpro_case","link":"https:\/\/www.goldprosteelballs.com\/vi\/case\/case-study-of-high-hardness-low-wear-at-a-large-copper-mine\/","title":{"rendered":"Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p v\u1ec1 \u0111\u1ed9 c\u1ee9ng cao v\u00e0 \u0111\u1ed9 m\u00e0i m\u00f2n th\u1ea5p t\u1ea1i m\u1ed9t m\u1ecf \u0111\u1ed3ng l\u1edbn."},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>C\u00e1c vi\u00ean bi r\u00e8n c\u00f3 \u0111\u1ed9 c\u1ee9ng cao Goldpro (\u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t \u226560 HRC) \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m so v\u1edbi c\u00e1c vi\u00ean bi s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc c\u1ee7a Nga t\u1ea1i nh\u00e0 m\u00e1y MQY 3,6 \u00d7 4,0 m (th\u00e1ng 6 \u2013 th\u00e1ng 10 n\u0103m 2025; 180.200 t\u1ea5n \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn). M\u1ee9c ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u c\u1ee5 th\u1ec3 gi\u1ea3m 32,6% \u0111\u1ed1i v\u1edbi vi\u00ean bi 100 mm v\u00e0 39,7% \u0111\u1ed1i v\u1edbi vi\u00ean bi 60 mm, trong khi n\u0103ng su\u1ea5t v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng v\u1eabn \u1ed5n \u0111\u1ecbnh.<\/p>","protected":false},"featured_media":5782,"menu_order":0,"template":"","case_mineral":[57],"class_list":["post-6556","goldpro_case","type-goldpro_case","status-publish","has-post-thumbnail","hentry","case_mineral-57"],"_links":{"self":[{"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/goldpro_case\/6556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/goldpro_case"}],"about":[{"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/types\/goldpro_case"}],"wp:attachment":[{"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/media?parent=6556"}],"wp:term":[{"taxonomy":"case_mineral","embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/case_mineral?post=6556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}