{"id":6164,"date":"2026-09-21T08:09:45","date_gmt":"2026-09-21T08:09:45","guid":{"rendered":"https:\/\/yuanjingmachinery.com\/?p=6164"},"modified":"2026-09-21T08:20:47","modified_gmt":"2026-09-21T08:20:47","slug":"guia-de-peneiramento-de-po-metalico","status":"publish","type":"post","link":"https:\/\/yuanjingmachinery.com\/pt\/blog\/metal-powder-sieving-guide\/","title":{"rendered":"Peneiramento de P\u00f3 Met\u00e1lico: Como Escolher o Tamanho da Malha, o Tipo de Tela e o Sistema de Prote\u00e7\u00e3o"},"content":{"rendered":"<p>Escolher um sistema de peneiramento de p\u00f3 met\u00e1lico exige mais do que combinar um p\u00f3 a um n\u00famero de malha. A solu\u00e7\u00e3o correta depende da distribui\u00e7\u00e3o granulom\u00e9trica desejada, da fluidez do p\u00f3, da capacidade necess\u00e1ria, dos limites de contamina\u00e7\u00e3o e de riscos como oxida\u00e7\u00e3o, eletricidade est\u00e1tica ou poeira combust\u00edvel. Peneiras vibrat\u00f3rias convencionais s\u00e3o geralmente adequadas para p\u00f3s de fluxo livre e separa\u00e7\u00e3o mais grosseira, enquanto sistemas ultrass\u00f4nicos s\u00e3o mais eficazes para p\u00f3s finos, coesivos ou eletrost\u00e1ticos. P\u00f3s reativos tamb\u00e9m podem exigir constru\u00e7\u00e3o selada, prote\u00e7\u00e3o com g\u00e1s inerte, aterramento e componentes \u00e0 prova de explos\u00e3o.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/09\/Metal-Powder-Sieving.webp\" alt=\"Metal Powder Sieving\" class=\"wp-image-6168\" srcset=\"https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/09\/Metal-Powder-Sieving.webp 800w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/09\/Metal-Powder-Sieving-300x225.webp 300w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/09\/Metal-Powder-Sieving-768x576.webp 768w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/09\/Metal-Powder-Sieving-16x12.webp 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">O que \u00e9 o peneiramento de p\u00f3 met\u00e1lico?<\/h2>\n\n\n\n<p>O peneiramento de p\u00f3 met\u00e1lico \u00e9 usado para controlar o tamanho de part\u00edcula e manter o p\u00f3 limpo e consistente. Ele remove material estranho e part\u00edculas superdimensionadas, desfaz grumos macios e separa o p\u00f3 na faixa de tamanho necess\u00e1ria. Tamb\u00e9m pode recuperar p\u00f3 reutiliz\u00e1vel e proteger processos posteriores, como prensagem, sinteriza\u00e7\u00e3o, aspers\u00e3o t\u00e9rmica e manufatura aditiva.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Classifica\u00e7\u00e3o, peneiramento de seguran\u00e7a e recupera\u00e7\u00e3o de p\u00f3<\/h3>\n\n\n\n<p>O peneiramento de p\u00f3 met\u00e1lico geralmente atende a tr\u00eas prop\u00f3sitos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Classifica\u00e7\u00e3o:<\/strong> Separa o p\u00f3 em diferentes faixas de tamanho de part\u00edcula para atender aos requisitos de produ\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Peneiramento de seguran\u00e7a:<\/strong> Remove material estranho, part\u00edculas grandes e aglomerados indesejados antes do pr\u00f3ximo processo.<\/li>\n\n\n\n<li><strong>Recupera\u00e7\u00e3o de p\u00f3:<\/strong> Recupera p\u00f3 utiliz\u00e1vel deixado ap\u00f3s impress\u00e3o 3D ou outros processos de produ\u00e7\u00e3o, ajudando a reduzir o desperd\u00edcio de material.<\/li>\n<\/ul>\n\n\n\n<p>O tamanho de malha necess\u00e1rio e o m\u00e9todo de peneiramento dependem das propriedades do p\u00f3, do tamanho de part\u00edcula desejado, da capacidade de produ\u00e7\u00e3o e dos requisitos de seguran\u00e7a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quais informa\u00e7\u00f5es s\u00e3o necess\u00e1rias antes de selecionar um sistema de peneiramento?<\/h2>\n\n\n\n<p>Antes de selecionar um sistema de peneiramento de p\u00f3 met\u00e1lico, voc\u00ea precisa entender tanto as propriedades do p\u00f3 quanto os requisitos de produ\u00e7\u00e3o. Esses fatores determinam o tamanho de malha correto, o tipo de tela, a capacidade da m\u00e1quina e o sistema de prote\u00e7\u00e3o. Selecionar equipamentos apenas com base no nome do metal ou na malha desejada pode resultar em baixa capacidade, entupimento da tela ou problemas de seguran\u00e7a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Propriedades do p\u00f3 met\u00e1lico<\/h3>\n\n\n\n<p>Diferentes p\u00f3s met\u00e1licos se comportam de maneira diferente durante o peneiramento. Propriedades importantes incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Densidade aparente:<\/strong> Afeta o carregamento da tela, o movimento do material e o tamanho necess\u00e1rio da m\u00e1quina.<\/li>\n\n\n\n<li><strong>Fluidez:<\/strong> P\u00f3s de fluxo livre s\u00e3o mais f\u00e1ceis de peneirar, enquanto p\u00f3s com baixa fluidez podem permanecer na superf\u00edcie da tela.<\/li>\n\n\n\n<li><strong>Forma da part\u00edcula:<\/strong> Part\u00edculas esf\u00e9ricas, irregulares e lamelares passam pela malha de maneiras diferentes.<\/li>\n\n\n\n<li><strong>Eletricidade est\u00e1tica:<\/strong> P\u00f3s finos podem aderir \u00e0 tela e reduzir a capacidade.<\/li>\n\n\n\n<li><strong>Aglomera\u00e7\u00e3o:<\/strong> Grumos macios podem bloquear a malha ou afetar a precis\u00e3o do tamanho de part\u00edcula.<\/li>\n\n\n\n<li><strong>Risco de oxida\u00e7\u00e3o:<\/strong> Alum\u00ednio, magn\u00e9sio, tit\u00e2nio e outros p\u00f3s reativos podem exigir equipamento selado ou prote\u00e7\u00e3o com g\u00e1s inerte.<\/li>\n\n\n\n<li><strong>Valor do material:<\/strong> P\u00f3s de ligas de alto valor ou metais preciosos podem exigir um sistema fechado para reduzir perda de material e contamina\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Tamanho de part\u00edcula e requisitos de produ\u00e7\u00e3o<\/h3>\n\n\n\n<p>A faixa de tamanho de part\u00edcula necess\u00e1ria e a meta de produ\u00e7\u00e3o tamb\u00e9m devem ser confirmadas. Informa\u00e7\u00f5es importantes incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Distribui\u00e7\u00e3o granulom\u00e9trica atual, incluindo D10, D50 e D90<\/li>\n\n\n\n<li>Ponto de corte necess\u00e1rio em m\u00edcrons<\/li>\n\n\n\n<li>N\u00edveis aceit\u00e1veis de part\u00edculas superdimensionadas e subdimensionadas<\/li>\n\n\n\n<li>Capacidade necess\u00e1ria por hora<\/li>\n\n\n\n<li>N\u00famero de fra\u00e7\u00f5es de tamanho de part\u00edcula<\/li>\n\n\n\n<li>Opera\u00e7\u00e3o em batelada ou cont\u00ednua<\/li>\n\n\n\n<li>Limites de limpeza e contamina\u00e7\u00e3o cruzada<\/li>\n<\/ul>\n\n\n\n<p>Essas informa\u00e7\u00f5es fornecem a base para escolher o tamanho de malha, o equipamento de peneiramento e o sistema de prote\u00e7\u00e3o.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"355\" height=\"353\" src=\"https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/05\/Metal-Powders.webp\" alt=\"P\u00f3s met\u00e1licos\" class=\"wp-image-3554\" srcset=\"https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/05\/Metal-Powders.webp 355w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/05\/Metal-Powders-300x298.webp 300w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/05\/Metal-Powders-150x150.webp 150w\" sizes=\"auto, (max-width: 355px) 100vw, 355px\" \/><figcaption class=\"wp-element-caption\">P\u00f3s met\u00e1licos<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Como escolher o tamanho de malha correto<\/h2>\n\n\n\n<p>O tamanho de malha correto depende do tamanho de part\u00edcula desejado, da distribui\u00e7\u00e3o do p\u00f3 e da capacidade necess\u00e1ria. Primeiro, decida quais part\u00edculas devem passar pela tela e quais part\u00edculas devem ser removidas. Em seguida, selecione a abertura da tela em m\u00edcrons. Para p\u00f3s met\u00e1licos finos, o tamanho em m\u00edcrons geralmente \u00e9 mais preciso do que o n\u00famero de malha.<\/p>\n\n\n\n<p>P\u00f3s met\u00e1licos podem ser descritos pelo seu tamanho de part\u00edcula:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u00f3 convencional:<\/strong> 50\u20131.000 \u03bcm<\/li>\n\n\n\n<li><strong>P\u00f3 fino:<\/strong> 10\u201350 \u03bcm<\/li>\n\n\n\n<li><strong>P\u00f3 muito fino:<\/strong> 0.5\u201310 \u03bcm<\/li>\n\n\n\n<li><strong>Ultrafine powder:<\/strong> Below 0.5 \u03bcm<\/li>\n\n\n\n<li><strong>Nano powder:<\/strong> 0.1\u2013100 nm<\/li>\n<\/ul>\n\n\n\n<p>These ranges are general references and may vary between industries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mesh Size vs Micron Size<\/h3>\n\n\n\n<p>Mesh number shows how many openings are present in one inch of screen. A higher mesh number normally means a smaller opening. Micron size shows the actual opening or particle size more directly.<\/p>\n\n\n\n<p>The same mesh number may have slightly different opening sizes because of wire diameter and screen standards. For this reason, fine metal powders should be specified in microns whenever possible.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Common Mesh-to-Micron Reference<\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Mesh<\/th><th>Microns (\u03bcm)<\/th><th>Mesh<\/th><th>Microns (\u03bcm)<\/th><\/tr><\/thead><tbody><tr><td>20 mesh<\/td><td>830<\/td><td>200 mesh<\/td><td>75<\/td><\/tr><tr><td>40 mesh<\/td><td>380<\/td><td>325 mesh<\/td><td>45<\/td><\/tr><tr><td>60 malhas<\/td><td>250<\/td><td>400 mesh<\/td><td>38<\/td><\/tr><tr><td>80 malhas<\/td><td>180<\/td><td>500 mesh<\/td><td>25<\/td><\/tr><tr><td>100 mesh<\/td><td>150<\/td><td>800 mesh<\/td><td>18<\/td><\/tr><tr><td>140 mesh<\/td><td>106<\/td><td>1,000 mesh<\/td><td>13<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>The values are for general reference. Always confirm the actual screen opening before ordering.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Choose Mesh Based on Particle Size Distribution<\/h3>\n\n\n\n<p>Mesh size can be selected in three steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Define the target particle size.<\/strong> Confirm the largest acceptable particle and the required powder range.<\/li>\n\n\n\n<li><strong>Choose a starting mesh.<\/strong> A coarse mesh can remove large impurities, while a fine mesh can control smaller particles.<\/li>\n\n\n\n<li><strong>Check the particle-size distribution.<\/strong> Use D10, D50 and D90 data when the powder size must be controlled more accurately.<\/li>\n<\/ol>\n\n\n\n<p>Mesh size only defines the screen opening. It cannot fully describe the particle-size distribution. For example, metal powder used in additive manufacturing may have a specified range such as 15\u201353 \u03bcm. In this case, the complete particle-size distribution should be considered instead of converting the whole range into one mesh number.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why Finer Mesh Is Not Always Better<\/h3>\n\n\n\n<p>A finer mesh does not always produce a better result. If the opening is too small, several problems may occur:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fine particles can block the screen.<\/li>\n\n\n\n<li>Screening capacity can fall.<\/li>\n\n\n\n<li>More usable powder may remain above the screen.<\/li>\n\n\n\n<li>The screen may require frequent cleaning.<\/li>\n\n\n\n<li>Very fine woven mesh may have a low open area.<\/li>\n<\/ul>\n\n\n\n<p>For screening above 325\u2013400 mesh, it is usually clearer to specify the required opening in microns. Fine, electrostatic or easily agglomerated metal powders may also require an ultrasonic vibrating sieve to reduce screen blockage and maintain a stable screening rate.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"M\u00e1quina de Peneiramento de P\u00f3 Met\u00e1lico\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/9vuQFGySLo4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Choose the Right Screen Type<\/h2>\n\n\n\n<p>The right screen type depends on the powder size, flowability, required capacity and production process. Rotary vibrating screens are suitable for general screening, while ultrasonic vibrating sieves are better for fine powders that easily block the mesh. Linear and inline screens are used for higher capacities or continuous production lines.You can also compare different types of <a href=\"https:\/\/yuanjingmachinery.com\/pt\/produto\/maquina-de-peneiramento-vibratoria\/?utm_source=chatgpt.com\">vibrating sieving machines<\/a> before selecting a model for your process.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Peneira Vibrat\u00f3ria Rotativa<\/h3>\n\n\n\n<p>A rotary vibrating screen is suitable for free-flowing metal powders and general particle classification. It has a compact design and can separate the powder into one or more particle size ranges.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Peneira Vibrat\u00f3ria Ultrass\u00f4nica<\/h3>\n\n\n\n<p>Uma <a href=\"https:\/\/yuanjingmachinery.com\/pt\/produto\/peneira-vibratoria-ultrassonica-2\/\" data-type=\"product\" data-id=\"3053\">peneira vibrat\u00f3ria ultrass\u00f4nica<\/a> is suitable for fine, electrostatic or easily agglomerated powders. The ultrasonic system reduces mesh blockage and improves screening efficiency.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Linear and Inline Vibrating Screens<\/h3>\n\n\n\n<p>A linear vibrating screen is suitable for high-capacity screening of coarse powders and particles. An inline vibrating screen is mainly used for safety screening in continuous production lines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Single-Deck vs Multi-Deck Screen<\/h3>\n\n\n\n<p>A single-deck screen separates the powder into two particle sizes. A multi-deck screen can produce three or more particle size ranges in one process.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Choose a Protection System<\/h2>\n\n\n\n<p>The protection system should be selected according to the powder\u2019s oxidation risk, dust characteristics, corrosion and safety requirements. A suitable system can reduce powder leakage, contamination, material loss and operating risks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sealed and Dust-Tight Design<\/h3>\n\n\n\n<p>Fine metal powders can easily escape into the working area. A fully enclosed screen with sealed inlets, outlets and covers helps control dust and prevents outside material from entering the product.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Inert Gas Protection<\/h3>\n\n\n\n<p>Aluminum, magnesium, titanium and some alloy powders may react with oxygen. For these materials, a sealed screening system can be filled with nitrogen or argon to reduce contact with air.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explosion Protection and Static Control<\/h3>\n\n\n\n<p>Combustible metal powders may require explosion-protected motors and electrical parts. The machine, pipelines and connected equipment should also be properly grounded to reduce static buildup.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Contact Material and Contamination Control<\/h3>\n\n\n\n<p>Product-contact parts are commonly made of 304 or 316L stainless steel for corrosion resistance and easy cleaning. The screen should also be checked regularly for wear or damage to prevent particle mixing and product contamination.<\/p>\n\n\n<style>.kb-row-layout-id6164_884b77-15 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id6164_884b77-15 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id6164_884b77-15 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id6164_884b77-15 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id6164_884b77-15 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id6164_884b77-15 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id6164_884b77-15 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column6164_e56cc7-0d > .kt-inside-inner-col,.kadence-column6164_e56cc7-0d > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column6164_e56cc7-0d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column6164_e56cc7-0d > .kt-inside-inner-col{flex-direction:column;}.kadence-column6164_e56cc7-0d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column6164_e56cc7-0d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column6164_e56cc7-0d{position:relative;}@media all and (max-width: 1024px){.kadence-column6164_e56cc7-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column6164_e56cc7-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column6164_e56cc7-0d\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/08\/dae43de833f42d37c7e5f0c6f554137a.webp\" alt=\"Peneira Vibrat\u00f3ria Ultrass\u00f4nica com Prote\u00e7\u00e3o de G\u00e1s\" class=\"wp-image-5662\" srcset=\"https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/08\/dae43de833f42d37c7e5f0c6f554137a.webp 800w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/08\/dae43de833f42d37c7e5f0c6f554137a-300x225.webp 300w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/08\/dae43de833f42d37c7e5f0c6f554137a-768x576.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column6164_d923c3-a7 > .kt-inside-inner-col,.kadence-column6164_d923c3-a7 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column6164_d923c3-a7 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column6164_d923c3-a7 > .kt-inside-inner-col{flex-direction:column;}.kadence-column6164_d923c3-a7 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column6164_d923c3-a7 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column6164_d923c3-a7{position:relative;}@media all and (max-width: 1024px){.kadence-column6164_d923c3-a7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column6164_d923c3-a7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column6164_d923c3-a7\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/06\/1d058f02690f462e00f437e6db9320e1.webp\" alt=\"Motor \u00e0 prova de explos\u00e3o\" class=\"wp-image-5060\" srcset=\"https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/06\/1d058f02690f462e00f437e6db9320e1.webp 800w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/06\/1d058f02690f462e00f437e6db9320e1-300x225.webp 300w, https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/06\/1d058f02690f462e00f437e6db9320e1-768x576.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\">Recommended Solutions for Common Metal Powders<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Powder or application<\/th><th>Main challenge<\/th><th>Recommended screen<\/th><th>Protection system<\/th><\/tr><\/thead><tbody><tr><td>Iron and stainless steel powder<\/td><td>High density and screen wear<\/td><td>Rotary or linear vibrating screen<\/td><td>Dust-tight design and wear-resistant screen<\/td><\/tr><tr><td>Aluminum and titanium powder<\/td><td>Oxidation, static and combustible dust<\/td><td>Enclosed ultrasonic vibrating sieve<\/td><td>Inert gas, grounding and explosion-protected parts<\/td><\/tr><tr><td>Fine alloy powder<\/td><td>Agglomeration and mesh blockage<\/td><td>Ultrasonic vibrating sieve<\/td><td>Sealed design and static control<\/td><\/tr><tr><td>Additive manufacturing powder<\/td><td>Fine particle range and high recovery requirement<\/td><td>Precision ultrasonic vibrating sieve<\/td><td>Closed system and contamination control<\/td><\/tr><tr><td><a href=\"https:\/\/yuanjingmachinery.com\/pt\/industria\/solucoes-para-a-industria-de-baterias-de-litio\/?utm_source=chatgpt.com\" data-type=\"link\" data-id=\"https:\/\/yuanjingmachinery.com\/industry\/lithium-battery-industry-solutions\/?utm_source=chatgpt.com\">Battery material powder<\/a><\/td><td>Fine particles, static and strict purity requirements<\/td><td>Ultrasonic vibrating sieve<\/td><td>Sealed construction and clean contact parts<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>The final configuration should be based on the powder\u2019s particle-size distribution, flowability, required capacity and safety assessment.More <a href=\"https:\/\/yuanjingmachinery.com\/pt\/industria\/metallurgical-industry-solutions\/?utm_source=chatgpt.com\">metal powder screening solutions<\/a> are available for iron, copper, nickel, alloy and other metallurgical materials.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Choosing a metal powder sieving system starts with three key decisions: mesh size, screen type and protection system. The mesh should match the target particle size, while the screen type should suit the powder\u2019s flowability, fineness and required capacity. For reactive or combustible powders, sealing, grounding, explosion protection or inert gas may also be required.<\/p>\n\n\n\n<p>Because every metal powder behaves differently, the final configuration should be confirmed through material data or a screening test.<\/p>\n\n\n\n<p>Contact us with your powder type, target particle size and required capacity. Our engineers will recommend a suitable <a href=\"https:\/\/yuanjingmachinery.com\/pt\/produto\/metal-powder-sieving-machine\/?utm_source=chatgpt.com\">metal powder sieving machine<\/a> for your production process.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Perguntas Frequentes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What mesh size is suitable for metal powder?<\/h3>\n\n\n\n<p>The correct mesh size depends on the target particle size and particle-size distribution. Coarse screening may use 20\u2013100 mesh, while fine metal powder screening may require 200\u2013635 mesh. For better accuracy, use the required opening size in microns.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">When is an ultrasonic vibrating sieve required?<\/h3>\n\n\n\n<p>An ultrasonic vibrating sieve is recommended for fine, electrostatic or easily agglomerated metal powders. It helps prevent mesh blockage and improves the screening of powders below 75 \u03bcm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Which screen type is best for metal powder?<\/h3>\n\n\n\n<p>A rotary vibrating screen is suitable for general metal powder sieving. An ultrasonic sieve is better for fine powders, while a linear vibrating screen is suitable for higher-capacity screening of coarser materials.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How can mesh blockage be prevented?<\/h3>\n\n\n\n<p>Mesh blockage can be reduced by controlling the feeding rate, selecting the correct mesh and using an ultrasonic de-blinding system. Powder moisture, static electricity and agglomeration should also be checked.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Does metal powder sieving require inert gas protection?<\/h3>\n\n\n\n<p>Not every metal powder requires inert gas protection. Reactive powders such as aluminum, magnesium and titanium may need a sealed system with nitrogen or argon to reduce contact with oxygen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Is an explosion-proof metal powder sieving machine required?<\/h3>\n\n\n\n<p>Explosion protection may be required when processing combustible metal powder. The system may include explosion-protected electrical parts, dust-tight construction and proper grounding. The final design should follow the powder safety data and local regulations.<\/p>","protected":false},"excerpt":{"rendered":"<p>Choosing a metal powder sieving system requires more than matching a powder to a mesh number. The correct solution depends on the target particle-size distribution, powder flowability, required capacity, contamination limits, and risks such as oxidation, static electricity or combustible dust. Conventional vibrating screens are generally suitable for free-flowing powders and coarser separation, while ultrasonic&#8230;<\/p>","protected":false},"author":1,"featured_media":6168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-6164","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"taxonomy_info":{"category":[{"value":8,"label":"Blog"}]},"featured_image_src_large":["https:\/\/yuanjingmachinery.com\/wp-content\/uploads\/2026\/09\/Metal-Powder-Sieving.webp",800,600,false],"author_info":{"display_name":"hatdinhmanh421@gmail.com","author_link":"https:\/\/yuanjingmachinery.com\/pt\/author\/hatdinhmanh421gmail-com\/"},"comment_info":0,"category_info":[{"term_id":8,"name":"Blog","slug":"blog","term_group":0,"term_taxonomy_id":8,"taxonomy":"category","description":"","parent":0,"count":57,"filter":"raw","cat_ID":8,"category_count":57,"category_description":"","cat_name":"Blog","category_nicename":"blog","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/posts\/6164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/comments?post=6164"}],"version-history":[{"count":3,"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/posts\/6164\/revisions"}],"predecessor-version":[{"id":6169,"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/posts\/6164\/revisions\/6169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/media\/6168"}],"wp:attachment":[{"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/media?parent=6164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/categories?post=6164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yuanjingmachinery.com\/pt\/wp-json\/wp\/v2\/tags?post=6164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}