{"id":6698,"date":"2021-04-04T15:15:41","date_gmt":"2021-04-04T15:15:41","guid":{"rendered":"https:\/\/www.aluminaceramicball.com\/?p=6698"},"modified":"2021-04-15T05:23:20","modified_gmt":"2021-04-15T05:23:20","slug":"quais-sao-as-carateristicas-das-esferas-de-alumina","status":"publish","type":"post","link":"https:\/\/www.aluminaceramicball.com\/pt\/quais-sao-as-carateristicas-das-esferas-de-alumina\/","title":{"rendered":"Quais s\u00e3o as carater\u00edsticas das esferas de alumina"},"content":{"rendered":"<p>As esferas de alumina s\u00e3o tamb\u00e9m designadas por esferas de alta alumina, esferas de luz preenchidas. As esferas de alta alumina s\u00e3o amplamente utilizadas em diferentes tipos de cer\u00e2mica, esmaltes, vidro e produtos qu\u00edmicos devido \u00e0s suas excelentes carater\u00edsticas, como alta resist\u00eancia, alta dureza, alta resist\u00eancia ao desgaste, alta gravidade espec\u00edfica, tamanho pequeno, resist\u00eancia a altas temperaturas, resist\u00eancia \u00e0 corros\u00e3o e n\u00e3o poluente. E assim por diante, o acabamento de materiais espessos e duros e o processamento profundo da f\u00e1brica.<\/p>\n<p>Tomar o <a href=\"\/pt\/produto\/bola-de-moagem-de-alumina\/\" target=\"_blank\" rel=\"noopener\">bola alta de alum\u00ednio<\/a> com um teor de 92% como exemplo, a sua gravidade espec\u00edfica (densidade) deve ser superior a 3,60, o teor de alumina deve ser superior a 91,5% e o teor de ferro deve ser baixo. A mesma mat\u00e9ria-prima, a mesma f\u00f3rmula e a mesma temperatura de cozedura, quanto menor for a finura do p\u00f3 ap\u00f3s a moagem da mat\u00e9ria-prima, maior ser\u00e1 a gravidade espec\u00edfica e melhor ser\u00e1 a resist\u00eancia ao desgaste. A gravidade espec\u00edfica das esferas de alta alumina \u00e9 principalmente afetada pelo p\u00f3 e pela cozedura. A queima em bruto (n\u00e3o cozinhada), o p\u00f3 demasiado grosso, a adi\u00e7\u00e3o de materiais diversos e outros factores conduzir\u00e3o a uma propor\u00e7\u00e3o insuficiente de esferas. As esferas com uma gravidade espec\u00edfica baixa n\u00e3o s\u00e3o resistentes ao desgaste e s\u00e3o f\u00e1ceis de fissurar, mas uma gravidade espec\u00edfica elevada n\u00e3o significa que a esfera tenha de ser resistente ao desgaste, porque as esferas excessivamente sinterizadas tamb\u00e9m podem atingir uma gravidade espec\u00edfica mais elevada.<\/p>\n<p>A manifesta\u00e7\u00e3o de qualidade mais importante da pedra esf\u00e9rica \u00e9 a resist\u00eancia ao desgaste. Algumas institui\u00e7\u00f5es de teste tamb\u00e9m podem efetuar testes de abras\u00e3o. Estes relat\u00f3rios de ensaio podem mostrar a qualidade da pedra esf\u00e9rica, mas os dados s\u00e3o apenas para refer\u00eancia, porque as condi\u00e7\u00f5es ambientais dos ensaios laboratoriais e da produ\u00e7\u00e3o O ambiente \u00e9 muito diferente. O primeiro teste \u00e9 a moagem com \u00e1gua, enquanto muitos fabricantes usam moagem a seco. Em segundo lugar, o teste \u00e9 muitas vezes feito sem adicionar outros materiais, apenas o atrito entre as bolas e as bolas, e o processo de produ\u00e7\u00e3o real \u00c9 necess\u00e1rio adicionar v\u00e1rios <a href=\"https:\/\/www.aluminaceramicball.com\/pt\/vantagens-do-po-de-alumina\/\">mat\u00e9rias-primas<\/a>.<\/p>\n<p>No processo de utiliza\u00e7\u00e3o real, se se quiser detetar o desgaste das esferas, \u00e9 necess\u00e1rio fazer mais registos. Ap\u00f3s o proporcionamento inicial, registando o n\u00famero de esferas adicionadas, combinado com a sa\u00edda, calcular o desgaste das esferas na produ\u00e7\u00e3o e comparar o alum\u00ednio elevado A compara\u00e7\u00e3o de custos da esfera e outros <a href=\"https:\/\/www.aluminaceramicball.com\/pt\/esferas-de-moagem-de-alumina-meios-de-moagem-para-as-industrias-de-ceramica-e-cimento\/\">bolas de moagem<\/a> tamb\u00e9m pode comparar a qualidade das bolas entre v\u00e1rios fabricantes. Para al\u00e9m da dureza e finura do material, o m\u00e9todo de moagem (como a moagem a seco e a <a href=\"https:\/\/www.aluminaceramicball.com\/pt\/comparacao-entre-moagem-humida-e-moagem-a-seco\/\">moagem h\u00famida<\/a> \u00e9 diferente), a velocidade do moinho de bolas, se a propor\u00e7\u00e3o da bola \u00e9 razo\u00e1vel, a viscosidade do material, etc., afectam o desgaste do fator bola.<\/p>","protected":false},"excerpt":{"rendered":"<p>Alumina balls are also called high-alumina balls, filled ball lights. High-alumina balls are widely used in different types of ceramics, enamels, glass, and chemicals due to their excellent characteristics such as high strength, high hardness, high wear resistance, high specific gravity, small size, high temperature resistance, corrosion resistance, and non-polluting. And so on the thick [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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