{"id":3960,"date":"2019-07-11T06:09:56","date_gmt":"2019-07-11T06:09:56","guid":{"rendered":"http:\/\/www.nghexin.co.za\/?p=3960"},"modified":"2019-07-11T06:26:41","modified_gmt":"2019-07-11T06:26:41","slug":"comparison-of-casting-grinding-media-balls-forged-steel-balls","status":"publish","type":"post","link":"https:\/\/www.nghexin.co.za\/pt\/comparacao-de-esferas-de-moagem-de-fundicao-com-esferas-de-aco-forjadas\/","title":{"rendered":"Compara\u00e7\u00e3o de esferas de moagem de fundi\u00e7\u00e3o e esferas de a\u00e7o forjado"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-00c38e1e48a013b72d44470ce001525f\">\n#top .av-special-heading.av-av_heading-00c38e1e48a013b72d44470ce001525f{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-00c38e1e48a013b72d44470ce001525f .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-00c38e1e48a013b72d44470ce001525f .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-00c38e1e48a013b72d44470ce001525f av-special-heading-h1 blockquote modern-quote modern-centered  avia-builder-el-0  el_before_av_three_fourth  avia-builder-el-first'><h1 class='av-special-heading-tag'  itemprop=\"headline\"  >Compara\u00e7\u00e3o de esferas de moagem de fundi\u00e7\u00e3o <span class='special_amp'>&amp;<\/span> esferas de a\u00e7o forjadas<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5ke5ug-e8692dcdc40a5032e24568f94f4d4795\">\n.flex_column.av-5ke5ug-e8692dcdc40a5032e24568f94f4d4795{\nborder-radius:0px 0px 0px 0px;\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-5ke5ug-e8692dcdc40a5032e24568f94f4d4795 av_three_fourth  avia-builder-el-1  el_after_av_heading  el_before_av_one_fourth  first flex_column_div av-zero-column-padding'   ><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4eevzc-78aea38a69504d9c322d8174a289a940\">\n.flex_column.av-4eevzc-78aea38a69504d9c322d8174a289a940{\nborder-radius:0px 0px 0px 0px;\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-4eevzc-78aea38a69504d9c322d8174a289a940 av_one_fourth  avia-builder-el-2  el_after_av_three_fourth  el_before_av_hr  flex_column_div av-zero-column-padding'   ><div  class='av-social-sharing-box av-jxy3y1nx-46ef86a270911ad047ed1f70284122e3 av-social-sharing-box-default  avia-builder-el-3  avia-builder-el-no-sibling  av-social-sharing-box-fullwidth'><div class=\"av-share-box\"><ul class=\"av-share-box-list noLightbox\"><li class='av-share-link av-social-link-facebook' ><a target=\"_blank\" aria-label=\"Compartilhe no Facebook\" href='https:\/\/www.facebook.com\/sharer.php?u=https:\/\/www.nghexin.co.za\/pt\/comparacao-de-esferas-de-moagem-de-fundicao-com-esferas-de-aco-forjadas\/&#038;t=Comparison%20of%20casting%20grinding%20media%20balls%20%26%20forged%20steel%20balls' aria-hidden='false' data-av_icon='\ue8f3' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share on Facebook' rel=\"noopener\"><span class='avia_hidden_link_text'>Compartilhe no Facebook<\/span><\/a><\/li><li class='av-share-link av-social-link-twitter' ><a target=\"_blank\" aria-label=\"Compartilhe no Twitter\" href='https:\/\/twitter.com\/share?text=Comparison%20of%20casting%20grinding%20media%20balls%20%26%20forged%20steel%20balls&#038;url=https:\/\/www.nghexin.co.za\/pt\/?p=3960' aria-hidden='false' data-av_icon='\ue8f1' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share on Twitter' rel=\"noopener\"><span class='avia_hidden_link_text'>Compartilhe no Twitter<\/span><\/a><\/li><li class='av-share-link av-social-link-linkedin' ><a target=\"_blank\" aria-label=\"Compartilhe no LinkedIn\" href='https:\/\/linkedin.com\/shareArticle?mini=true&#038;title=Comparison%20of%20casting%20grinding%20media%20balls%20%26%20forged%20steel%20balls&#038;url=https:\/\/www.nghexin.co.za\/pt\/comparacao-de-esferas-de-moagem-de-fundicao-com-esferas-de-aco-forjadas\/' aria-hidden='false' data-av_icon='\ue8fc' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share on LinkedIn' rel=\"noopener\"><span class='avia_hidden_link_text'>Compartilhe no LinkedIn<\/span><\/a><\/li><li class='av-share-link av-social-link-mail' ><a  aria-label=\"Compartilhar por e-mail\" href='mailto:?subject=Comparison of casting grinding media balls & forged steel balls&#038;body=https:\/\/www.nghexin.co.za\/pt\/comparacao-de-esferas-de-moagem-de-fundicao-com-esferas-de-aco-forjadas\/' aria-hidden='false' data-av_icon='\ue805' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share by Mail'><span class='avia_hidden_link_text'>Compartilhar por e-mail<\/span><\/a><\/li><\/ul><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-24e7oo-7b7dc4b127430462213c0f556bc522c8\">\n#top .hr.av-24e7oo-7b7dc4b127430462213c0f556bc522c8{\nmargin-top:10px;\nmargin-bottom:20px;\n}\n.hr.av-24e7oo-7b7dc4b127430462213c0f556bc522c8 .hr-inner{\nwidth:50px;\nborder-color:#c4432f;\n}\n<\/style>\n<div  class='hr av-24e7oo-7b7dc4b127430462213c0f556bc522c8 hr-custom  avia-builder-el-4  el_after_av_one_fourth  el_before_av_textblock  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p>\n<section  class='av_textblock_section av-jxy48iqn-2cc433298d20d42ed1d2e53045cf1eaf'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><table style=\"height: 1859px;\" width=\"789\">\n<tbody>\n<tr>\n<td width=\"201\">\n<h1 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong><b>Compara\u00e7\u00e3o<\/b><\/strong><\/span><\/h1>\n<\/td>\n<td style=\"text-align: center;\" width=\"503\">\n<h1><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong><b>Bolas de moagem fundidas<\/b><\/strong><\/span><\/h1>\n<\/td>\n<td style=\"text-align: center;\" width=\"32\">\n<h1><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong><b>\u00a0<\/b><\/strong><\/span><\/h1>\n<\/td>\n<td width=\"489\">\n<h1 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\"><strong><b>Bolas de A\u00e7o Forjadas<\/b><\/strong><\/span><\/h1>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"201\">\n<p style=\"text-align: center;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>Mat\u00e9ria-prima <\/b><\/strong><\/span><\/p>\n<\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">A. A parte principal \u00e9 a sucata de a\u00e7o, baixo custo, baixa flutua\u00e7\u00e3o de pre\u00e7o, <\/span><br \/>\n<span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">f\u00e1cil de obter<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">A. O material principal \u00e9 a\u00e7o redondo; a sider\u00fargica produz a mat\u00e9ria-prima; o pre\u00e7o est\u00e1 sujeito a flutua\u00e7\u00f5es no mercado de mat\u00e9ria-prima; e a rota de aquisi\u00e7\u00e3o \u00e9 \u00fanica.<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>\u00a0<\/b><\/strong><\/span><\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">B. As mat\u00e9rias-primas s\u00e3o flex\u00edveis, de acordo com os requisitos do cliente, apenas na parte de fus\u00e3o, substituindo a propor\u00e7\u00e3o da composi\u00e7\u00e3o da mat\u00e9ria-prima; conveniente para sele\u00e7\u00e3o de estoque; baixa press\u00e3o de capital<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">B. A mat\u00e9ria-prima n\u00e3o \u00e9 fixa. De acordo com os requisitos do cliente, \u00e9 necess\u00e1rio personalizar o a\u00e7o redondo de diferentes tamanhos para a sider\u00fargica; press\u00e3o pesada sobre os estoques de fundi\u00e7\u00e3o.<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>\u00a0<\/b><\/strong><\/span><\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">C. Os ingredientes da mat\u00e9ria-prima podem ser autocontrolados para <\/span><br \/>\n<span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">garantir a qualidade do produto<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">C. A composi\u00e7\u00e3o da mat\u00e9ria-prima \u00e9 controlada pelas sider\u00fargicas<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\">\n<p style=\"text-align: center;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>Equipamento <\/b><\/strong><strong><b><br \/>\n<\/b><\/strong><strong><b>Investimento<\/b><\/strong><\/span><\/p>\n<\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">UM<a href=\"https:\/\/www.nghexin.co.za\/pt\/fazendo-bolas-de-moagem-de-cromo-fundido\/\">.Linha de produ\u00e7\u00e3o de fundi\u00e7\u00e3o autom\u00e1tica<\/a> pode produzir bolas de moagem de dia30 a 150 mm e algumas cylpebs com composi\u00e7\u00e3o diferente; s\u00f3 precisa mudar os moldes de metal e o padr\u00e3o<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">A. Forja esferas de a\u00e7o, tamanho abaixo de 80 mm, pode adotar o processo de lamina\u00e7\u00e3o a quente; acima de 80 mm, precisa adotar o processo de lamina\u00e7\u00e3o de forja.<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>\u00a0<\/b><\/strong><\/span><\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">B.<a href=\"https:\/\/www.nghexin.co.za\/pt\/processo-de-tratamento-termico\/\">M\u00e1quina de tratamento t\u00e9rmico<\/a>, a m\u00e1quina de separa\u00e7\u00e3o pode ser usada para<\/span><br \/>\n<span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">\u00a0processar todos os tipos de bolas e cylpebs<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">B. Para tamanhos diferentes de bolas, \u00e9 necess\u00e1rio trocar equipamentos diferentes, incluindo m\u00e1quina de aquecimento de a\u00e7o redondo e m\u00e1quina de t\u00eampera em \u00e1gua.<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>\u00a0<\/b><\/strong><\/span><\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">C.<a href=\"https:\/\/www.nghexin.co.za\/pt\/forno-de-fusao-forno-de-inducao\/\">Forno de indu\u00e7\u00e3o de m\u00e9dia frequ\u00eancia<\/a> pode ser usado com outros <\/span><br \/>\n<span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">pe\u00e7as fundidas para maximizar os recursos do equipamento<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">C. A m\u00e1quina de t\u00eampera pode ser usada para processar todos os tipos de a\u00e7o<\/span><br \/>\n<span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">\u00a0bolas.<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>\u00a0<\/b><\/strong><\/span><\/td>\n<td width=\"503\"><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">D. Para o processo de forja-lamina\u00e7\u00e3o, a tens\u00e3o de trabalho \u00e9 pesada<\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\" width=\"1225\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Qualidade das bolas <\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\">\n<p style=\"text-align: center;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>A.Dureza<\/b><\/strong><\/span><\/p>\n<\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">Ap\u00f3s o tratamento t\u00e9rmico, o HRC da superf\u00edcie pode atingir HRC\u226558, a diferen\u00e7a de HRC entre o interior e a superf\u00edcie \u00e9 de 2 graus (Cr\u226510%), a taxa de desgaste \u00e9 baixa, dureza uniforme sem deforma\u00e7\u00e3o, a sa\u00edda \u00e9 est\u00e1vel.<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">Ap\u00f3s o tratamento t\u00e9rmico, a dureza da superf\u00edcie pode atingir HRC\u226556, mas devido ao uso do calor residual para t\u00eampera em \u00e1gua, a temperabilidade \u00e9 baixa, e a camada endurecida \u00e9 de apenas \u226415 graus. Portanto, para bolas grandes, a diferen\u00e7a de dureza entre o interior e o exterior \u00e9 lbig, ap\u00f3s entrar no moinho de bolas, ap\u00f3s desgaste de 12-13 mm, a dureza diminui rapidamente, o desgaste geral aumenta, o que levar\u00e1 \u00e0 perda de redondeza e afetar\u00e1 a sa\u00edda da plataforma de min\u00e9rio.<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\">\n<p style=\"text-align: center;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>B. Valor de Impacto<\/b><\/strong><\/span><\/p>\n<\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">Cr\u226510%, valor de impacto\u22653,8J\/cm2, comparado com a\u00e7o forjado, o valor de impacto \u00e9 menor.<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">Valor de impacto \u226512J\/cm2.<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\">\n<p style=\"text-align: center;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>C. Apar\u00eancia<\/b><\/strong><\/span><\/p>\n<\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">Haver\u00e1 fraturas de fundi\u00e7\u00e3o, algumas das bolas<\/span><br \/>\n<span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">\u00a0ter\u00e1 buracos de areia<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">uniformidade<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\">\n<p style=\"text-align: center;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>D. Taxa de desgaste<\/b><\/strong><\/span><\/p>\n<\/td>\n<td colspan=\"3\" width=\"1024\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">Segundo estat\u00edsticas, a taxa de desgaste das esferas de a\u00e7o forjadas \u00e9 cerca de duas vezes maior que a das esferas de fundi\u00e7\u00e3o em minas.<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\">\n<p style=\"text-align: center;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>E. Taxa quebrada<\/b><\/strong><\/span><\/p>\n<\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">\u00a0\u22640,3%<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">\u22640,1%<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"201\">\n<p style=\"text-align: center;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><strong><b>\u00c1rea de aplica\u00e7\u00e3o<\/b><\/strong><\/span><\/p>\n<\/td>\n<td width=\"503\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">Usina el\u00e9trica, f\u00e1brica de cimento, f\u00e1brica de pedras, mina, metalurgia<\/span><\/td>\n<td width=\"32\"><\/td>\n<td width=\"489\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\">Minas<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":3965,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[793],"tags":[],"class_list":["post-3960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grinding-media-balls"],"_links":{"self":[{"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/posts\/3960"}],"collection":[{"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/comments?post=3960"}],"version-history":[{"count":7,"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/posts\/3960\/revisions"}],"predecessor-version":[{"id":3968,"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/posts\/3960\/revisions\/3968"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/media\/3965"}],"wp:attachment":[{"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/media?parent=3960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/categories?post=3960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nghexin.co.za\/pt\/wp-json\/wp\/v2\/tags?post=3960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}