{"id":10590,"date":"2017-01-31T14:03:40","date_gmt":"2017-01-31T11:03:40","guid":{"rendered":"https:\/\/energosteel.com\/the-correct-definition-the-hardness-group-of-grinding-balls\/"},"modified":"2025-12-31T13:37:31","modified_gmt":"2025-12-31T10:37:31","slug":"the-correct-definition-the-hardness-group-of-grinding-balls","status":"publish","type":"post","link":"https:\/\/energosteel.com\/es\/the-correct-definition-the-hardness-group-of-grinding-balls\/","title":{"rendered":"La correcta definici\u00f3n del grupo de dureza de las bolas de molienda"},"content":{"rendered":"<p style=\"text-indent: 20px;\" align=\"justify\">La dureza superficial de las bolas de molienda se determina en dos plataformas diametralmente opuestas. Durante la determinaci\u00f3n, en cada plataforma se realizan cuatro mediciones de dureza.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">Las tres primeras mediciones se realizan en los v\u00e9rtices de un tri\u00e1ngulo equil\u00e1tero imaginario con una longitud de lado de 6 a 8 mm. Estas mediciones son preliminares y sus resultados no se registran en el informe de ensayo. La cuarta medici\u00f3n se realiza en el centro del tri\u00e1ngulo (Figura 1). El resultado de esta medici\u00f3n se registra en el informe de ensayo.<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/energosteel.com\/wp-content\/uploads\/2017\/01\/20170131_1.jpg\" alt=\"20170126_1\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Figura 1. Esquema de realizaci\u00f3n de las mediciones de dureza en cada plataforma de la bola de molienda<\/strong><\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">La dureza de la bola de molienda se define como el valor promedio de las mediciones realizadas en ambas superficies.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">La dureza del lote de bolas de molienda se define como el valor promedio de la dureza de 10 bolas de molienda seleccionadas del lote.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">Para confirmar la conformidad de la bola de molienda con el cuarto grupo de dureza, se realiza una medici\u00f3n adicional de la dureza a una profundidad de 1\/2 del radio de la bola de molienda.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">A una distancia de 1\/2 del radio se realizan cuatro mediciones de dureza en dos l\u00edneas mutuamente perpendiculares. Los valores m\u00ednimo y m\u00e1ximo de dureza no se tienen en cuenta, y la dureza se define como el valor medio aritm\u00e9tico de las otras dos mediciones (Figura 2).<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/energosteel.com\/wp-content\/uploads\/2017\/01\/20170131_2.jpg\" alt=\"20170126_2\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Figura 2. Esquema de realizaci\u00f3n de las mediciones de dureza en las plataformas de la bola de molienda (distancia de 1\/2 del radio)<\/strong><\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">Al obtener resultados de mediciones con valores de dureza diferentes (m\u00e1s del 10 %), se debe verificar adicionalmente la calidad de la preparaci\u00f3n de la superficie. Si es necesario, se realiza un tratamiento superficial adicional y una nueva medici\u00f3n de la dureza de la bola de molienda.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La dureza superficial de las bolas de molienda se determina en dos plataformas diametralmente opuestas. Durante la determinaci\u00f3n, en cada plataforma se realizan cuatro mediciones de<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":4,"featured_media":10591,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[170,173],"tags":[],"class_list":["post-10590","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-control-de-calidad","category-arhiv"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La correcta definici\u00f3n del grupo de dureza de las bolas de molienda<\/title>\n<meta name=\"description\" content=\"La dureza superficial de las bolas de molienda se determina en dos plataformas diametralmente opuestas. 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