{"id":5929,"date":"2024-10-14T07:28:26","date_gmt":"2024-10-14T07:28:26","guid":{"rendered":"https:\/\/jinsuncarbon.com\/?p=5929"},"modified":"2024-10-14T07:28:26","modified_gmt":"2024-10-14T07:28:26","slug":"moldes-de-grafite-para-fundicao","status":"publish","type":"post","link":"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/","title":{"rendered":"Como escolher os melhores moldes de grafite para obter resultados perfeitos de fundi\u00e7\u00e3o?"},"content":{"rendered":"<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><strong><b>Introdu\u00e7\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Como o a\u00e7o \u00e9 testado, voc\u00ea sabe? Vamos explorar! <a href=\"https:\/\/jinsuncarbon.com\/pt\/molde-de-grafite-personalizado-para-revestimento\/\"><strong><b>Moldes de grafite para fundi\u00e7\u00e3o<\/b><\/strong><\/a>\u00a0ajuda. Esses metais quentes, como ouro e a\u00e7o, s\u00e3o moldados como esses moldes. Os moldes s\u00e3o resistentes at\u00e9 3000\u00b0C. O teste de pe\u00e7as de a\u00e7o permite que voc\u00ea fa\u00e7a coisas diferentes. Quer saber mais? Continue lendo!<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabela de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#Introduction\" >Introdu\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#Understanding_the_Role_of_Graphite_Molds_in_Casting\" >Entendendo a fun\u00e7\u00e3o dos moldes de grafite na fundi\u00e7\u00e3o!<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#Types_of_Graphite_Molds_Based_on_Casting_Applications\" >Tipos de moldes de grafite com base em aplica\u00e7\u00f5es de fundi\u00e7\u00e3o!<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Permanent_Molds\" >- Moldes permanentes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Expendable_Molds\" >- Moldes descart\u00e1veis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Die_Casting_Molds\" >- Moldes de fundi\u00e7\u00e3o sob press\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Investment_Molds\" >- Moldes de investimento<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Sand_Casting_Molds\" >- Moldes de fundi\u00e7\u00e3o em areia<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#Key_Material_Properties_of_Graphite_for_Mold_Fabrication\" >Principais propriedades do material grafite para a fabrica\u00e7\u00e3o de moldes!<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Thermal_Conductivity\" >- Condutividade t\u00e9rmica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_High_Melting_Point\" >- Alto ponto de fus\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Machinability\" >- Usinabilidade<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Corrosion_Resistance\" >- Resist\u00eancia \u00e0 corros\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Thermal_Shock_Resistance\" >- Resist\u00eancia a choques t\u00e9rmicos<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#Manufacturing_Process_of_Graphite_Molds\" >Processo de fabrica\u00e7\u00e3o de moldes de grafite!<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_CAD_Design\" >- Projeto CAD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_CNC_Machining\" >- Usinagem CNC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Mold_Cavity_Creation\" >- Cria\u00e7\u00e3o da cavidade do molde<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Quality_Inspection\" >- Inspe\u00e7\u00e3o de qualidade<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#What_Are_The_Factors_to_Consider_When_Choosing_Graphite_Molds\" >Quais s\u00e3o os fatores a serem considerados na escolha de moldes de grafite?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Temperature_Resistance\" >- Resist\u00eancia \u00e0 temperatura<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Durability\" >- Durabilidade<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Mold_Size\" >- Tamanho do molde<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Casting_Material\" >- Material de fundi\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Cooling_Rate\" >- Taxa de resfriamento<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#Maintenance_and_Care_of_Graphite_Molds_for_Long-Lasting_Performance\" >Manuten\u00e7\u00e3o e cuidados com os moldes de grafite para um desempenho duradouro!<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Surface_Cleaning\" >- Limpeza de superf\u00edcies<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Damage_Repair\" >- Reparo de danos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Storage_Environment\" >- Ambiente de armazenamento<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Handling_Procedures\" >- Procedimentos de manuseio<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Inspection_Schedule\" >- Cronograma de inspe\u00e7\u00e3o<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#What_Are_The_Common_Issues_with_Graphite_Molds_and_How_to_Avoid_Them\" >Quais s\u00e3o os problemas comuns com os moldes de grafite e como evit\u00e1-los?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Cracking\" >- Rachaduras<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Erosion\" >- Eros\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Contamination\" >- Contamina\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Thermal_Shock\" >- Choque t\u00e9rmico<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#%C2%B7_Uneven_Cooling\" >- Resfriamento irregular<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/jinsuncarbon.com\/pt\/moldes-de-grafite-para-fundicao\/#Conclusion\" >Conclus\u00e3o<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_the_Role_of_Graphite_Molds_in_Casting\"><\/span><strong><b>Entendendo a fun\u00e7\u00e3o dos moldes de grafite na fundi\u00e7\u00e3o!<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-5933 aligncenter\" src=\"https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-casting.png\" alt=\"moldes de grafite para fundi\u00e7\u00e3o\" width=\"685\" height=\"347\" srcset=\"https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-casting.png 1423w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-casting-600x304.png 600w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-casting-300x152.png 300w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-casting-1024x519.png 1024w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-casting-768x389.png 768w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-casting-18x9.png 18w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><\/p>\n<p>Os moldes de grafite para fundi\u00e7\u00e3o ajudam a moldar metais quentes como ouro, prata e cobre. Esses metais s\u00e3o usados para fabricar itens como barras ou moedas. Os <a href=\"https:\/\/jinsuncarbon.com\/pt\/extruded-graphite-an-overview\/\">o molde de grafite pode permanecer resistente ao calor de at\u00e9 3000\u00b0C<\/a>. \u00c9 seguro derreter esse material. Os moldes de grafite t\u00eam menos de 0,1% de cinzas e mant\u00eam os metais limpos.<\/p>\n<p>Elas n\u00e3o se dobram nem quebram facilmente. Voc\u00ea pode literalmente despejar o metal, deixar esfriar e retir\u00e1-lo! Eles s\u00e3o resistentes, duram muito tempo e s\u00e3o \u00f3timos moldes para muitos usos. Al\u00e9m disso, gasta-se menos dinheiro com moldes de metal.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Graphite_Molds_Based_on_Casting_Applications\"><\/span><strong><b>Tipos de moldes de grafite com base em aplica\u00e7\u00f5es de fundi\u00e7\u00e3o!<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Permanent_Molds\"><\/span><b>-\u00a0<\/b><strong><b>Moldes permanentes<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ao fazer formas de metal, voc\u00ea est\u00e1 usando moldes permanentes. Os moldes podem durar muito tempo. Esses moldes s\u00e3o resistentes. Podem ser fabricadas pe\u00e7as de at\u00e9 150 kg. Os moldes resfriam o metal rapidamente.<\/p>\n<p>A forma s\u00f3lida \u00e9 empurrada para fora por pinos. Eles formam partes do motor, pist\u00f5es, engrenagens etc. O resfriamento ocorre rapidamente. Os moldes permanentes podem ser usados v\u00e1rias vezes.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Expendable_Molds\"><\/span><b>-\u00a0<\/b><strong><b>Moldes descart\u00e1veis<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Os fabricantes de pe\u00e7as que usam esse m\u00e9todo fazem as pe\u00e7as apenas uma vez. O molde \u00e9 quebrado depois. A forma \u00e9 formada por areia ou cera. Os moldes tamb\u00e9m lidam com metais como a\u00e7o e bronze. O molde desaparece ap\u00f3s o uso. Voc\u00ea pode fabricar formas min\u00fasculas e detalhadas, como l\u00e2minas. <a href=\"https:\/\/jinsuncarbon.com\/pt\/para-que-sao-usados-os-moldes-de-grafite\/\">Os moldes de grafite para fundi\u00e7\u00e3o ajudam a fabricar pe\u00e7as complexas<\/a>. Em seu interior, eles s\u00e3o derretidos e se desmancham em moldes.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Die_Casting_Molds\"><\/span><b>-\u00a0<\/b><strong><b>Moldes de fundi\u00e7\u00e3o sob press\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Na fundi\u00e7\u00e3o sob press\u00e3o, o metal fundido \u00e9 for\u00e7ado a tomar forma pela prensa de um molde. Eles variam de 10 a 300 MPa. Voc\u00ea fabrica blocos de motor para carros. O molde se enche rapidamente com o metal. Esses moldes s\u00e3o reutilizados.<\/p>\n<p>Os moldes de grafite para fundi\u00e7\u00e3o s\u00e3o para metais n\u00e3o ferrosos, como o alum\u00ednio. Isso economiza tempo, pois eles esfriam rapidamente. Eletrodos de grafite da <strong><em><b><i>Carbono Jinsun<\/i><\/b><\/em><\/strong>\u00a0tornam a fundi\u00e7\u00e3o sob press\u00e3o mais eficiente, proporcionando um resfriamento mais r\u00e1pido.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Investment_Molds\"><\/span><b>-\u00a0<\/b><strong><b>Moldes de investimento<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Voc\u00ea enche uma concha de cer\u00e2mica com cera e depois a mergulha. Essa concha se torna o molde. Ele pode tratar de metais como o a\u00e7o. O molde \u00e9 usado apenas uma vez. O molde se quebra ap\u00f3s a fundi\u00e7\u00e3o. A boa not\u00edcia \u00e9 que voc\u00ea pode fazer coisas t\u00e3o min\u00fasculas e detalhadas que \u00e9 poss\u00edvel fazer pe\u00e7as min\u00fasculas e precisas, como l\u00e2minas de turbina. O molde esfria e o metal o preenche.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Sand_Casting_Molds\"><\/span><b>-\u00a0<\/b><strong><b>Moldes de fundi\u00e7\u00e3o em areia<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Um molde \u00e9 criado enchendo-se areia ao redor de uma forma. O molde s\u00f3 funciona uma vez. Ele ajuda os atores a desempenhar pap\u00e9is grandes como tubos. Os moldes de areia podem estender at\u00e9 7.000 kg de pe\u00e7a met\u00e1lica. Quando esfriado, o molde \u00e9 quebrado. O alum\u00ednio ou o ferro tamb\u00e9m funcionam bem. A areia d\u00e1 um acabamento \u00e1spero \u00e0 superf\u00edcie. Criamos pe\u00e7as met\u00e1licas grandes por meio de fundi\u00e7\u00e3o em areia usando parcialmente nossos produtos de grafite.<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Tipo de molde<\/b><\/strong><\/td>\n<td><strong><b>Material<\/b><\/strong><\/td>\n<td><strong><b>Processo de fundi\u00e7\u00e3o<\/b><\/strong><\/td>\n<td><strong><b>Faixa de temperatura (\u00b0C)<\/b><\/strong><\/td>\n<td><strong><b>Durabilidade<\/b><\/strong><\/td>\n<td><strong><b>Reutiliza\u00e7\u00e3o<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong><b>Moldes permanentes<\/b><\/strong><\/td>\n<td>Grafite, metal<\/td>\n<td>Fundi\u00e7\u00e3o por gravidade<\/td>\n<td>700 &#8211; 1100<\/td>\n<td>Alta<\/td>\n<td>M\u00faltiplos<\/td>\n<\/tr>\n<tr>\n<td><strong><b>Moldes descart\u00e1veis<\/b><\/strong><\/td>\n<td>Grafite, cer\u00e2mica<\/td>\n<td>Fundi\u00e7\u00e3o de uso \u00fanico<\/td>\n<td>900 &#8211; 1400<\/td>\n<td>Baixa<\/td>\n<td>De uso \u00fanico<\/td>\n<\/tr>\n<tr>\n<td><strong><b>Moldes de fundi\u00e7\u00e3o sob press\u00e3o<\/b><\/strong><\/td>\n<td>Grafite, a\u00e7o<\/td>\n<td>Fundi\u00e7\u00e3o de alta press\u00e3o<\/td>\n<td>200 &#8211; 900<\/td>\n<td>Muito alta<\/td>\n<td>M\u00faltiplos<\/td>\n<\/tr>\n<tr>\n<td><strong><b>Moldes de investimento<\/b><\/strong><\/td>\n<td>Grafite, revestido com cera<\/td>\n<td>Fundi\u00e7\u00e3o de cera perdida<\/td>\n<td>900 &#8211; 1200<\/td>\n<td>Moderado<\/td>\n<td>De uso \u00fanico<\/td>\n<\/tr>\n<tr>\n<td><strong><b>Moldes de fundi\u00e7\u00e3o em areia<\/b><\/strong><\/td>\n<td>Grafite, areia<\/td>\n<td>Fundi\u00e7\u00e3o em areia<\/td>\n<td>900 &#8211; 1600<\/td>\n<td>Baixa<\/td>\n<td>De uso \u00fanico<\/td>\n<\/tr>\n<tr>\n<td><strong><b>Moldes de inje\u00e7\u00e3o<\/b><\/strong><\/td>\n<td>Grafite, alum\u00ednio<\/td>\n<td>Moldagem por inje\u00e7\u00e3o<\/td>\n<td>300 &#8211; 800<\/td>\n<td>Muito alta<\/td>\n<td>M\u00faltiplos<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><em><b><i>Tabela sobre tipos de moldes de grafite com base em aplica\u00e7\u00f5es de fundi\u00e7\u00e3o!<\/i><\/b><\/em><\/strong><\/p>\n<p><strong><em><b><i>\u00a0<\/i><\/b><\/em><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Key_Material_Properties_of_Graphite_for_Mold_Fabrication\"><\/span><strong><b>Principais propriedades do material grafite para a fabrica\u00e7\u00e3o de moldes!<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"wp-image-5932 aligncenter\" src=\"https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-metal.png\" alt=\"moldes de grafite para metal\" width=\"692\" height=\"470\" srcset=\"https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-metal.png 1183w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-metal-600x407.png 600w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-metal-300x204.png 300w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-metal-1024x695.png 1024w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-metal-768x521.png 768w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-metal-18x12.png 18w\" sizes=\"(max-width: 692px) 100vw, 692px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Thermal_Conductivity\"><\/span><b>-\u00a0<\/b><strong><b>Condutividade t\u00e9rmica<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Isso ajuda as coisas a esfriarem muito rapidamente. Esses n\u00fameros s\u00e3o relativamente r\u00e1pidos e podem ser de 80 a 140 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Thermal_conductivity_and_resistivity\">W\/m-K<\/a>. Isso torna a fundi\u00e7\u00e3o mais suave. Os metais precisam esfriar, e os moldes de grafite para fundi\u00e7\u00e3o ajudam nisso. O molde fornece uma maneira adicional de passar o calor pelo molde, tornando o metal s\u00f3lido mais r\u00e1pido. Quando as coisas ficam muito quentes, o calor diminui.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_High_Melting_Point\"><\/span><b>-\u00a0<\/b><strong><b>Alto ponto de fus\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>At\u00e9 4000\u00b0C, o grafite n\u00e3o derrete metais, pois o ouro fica superaquecido e permanece forte. \u00c9 \u00f3timo para fundir isso. Os moldes de grafite permitem que voc\u00ea forme metal sem aquec\u00ea-lo. Por exemplo, ele \u00e9 resistente mesmo a 1500\u00b0C. Por exemplo, ele \u00e9 resistente mesmo a 1500\u00b0C.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Machinability\"><\/span><b>-\u00a0<\/b><strong><b>Usinabilidade<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Voc\u00ea pode cortar o grafite facilmente. Ele \u00e9 macio e se molda suavemente. Voc\u00ea pode esmerilhar, cortar ou polir. Como as formas s\u00e3o exatas, voc\u00ea pode fazer coisas muito pequenas, como \u00b10,01 mm. \u00c9 importante para coisas especiais, como moldes de joias. Ele ajuda os moldes a durarem mais.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Corrosion_Resistance\"><\/span><b>-\u00a0<\/b><strong><b>Resist\u00eancia \u00e0 corros\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Mais comumente, <a href=\"https:\/\/jinsuncarbon.com\/pt\/carbono-grafite-2\/\">O grafite em si n\u00e3o reage com nenhum dos metais<\/a>. Isso ajuda a manter o metal fundido limpo e puro. Mas o alum\u00ednio e o cobre altamente condutores n\u00e3o aderem a ele.<\/p>\n<p>Ele n\u00e3o enferruja nem se altera de forma alguma por muito tempo. Os moldes de grafite s\u00e3o muito \u00fateis quando se est\u00e1 fundindo muitos metais diferentes, porque s\u00e3o capazes de resistir a muitas coisas e se recuperar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Thermal_Shock_Resistance\"><\/span><b>-\u00a0<\/b><strong><b>Resist\u00eancia a choques t\u00e9rmicos<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Grandes mudan\u00e7as de calor n\u00e3o incomodam o grafite. Como ele n\u00e3o se expande muito, 3,5 - 5 \u00d7 10^-6\u00b0C^-1, n\u00e3o tende a rachar. Por esse motivo, ele permanece forte mesmo quando o metal quente toca um molde frio. Ele tem uma resist\u00eancia \u00e0 flex\u00e3o muito boa, de modo que as coisas n\u00e3o racham se forem aquecidas rapidamente.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Manufacturing_Process_of_Graphite_Molds\"><\/span><strong><b>Processo de fabrica\u00e7\u00e3o de moldes de grafite!<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_CAD_Design\"><\/span><b>-\u00a0<\/b><strong><b>Projeto CAD<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O molde de grafite \u00e9 desenhado usando <a href=\"https:\/\/www.techtarget.com\/whatis\/definition\/CAD-computer-aided-design\">CAD<\/a>. Ele pode produzir formas exatamente como quadrados ou c\u00edrculos. Voc\u00ea tem n\u00fameros como 50 mm ou 100 mm que encaixam o metal l\u00e1 dentro. Metais quentes, ou metais como o cobre que derrete a 704\u00b0C, s\u00e3o colocados no molde. Ao ajud\u00e1-lo a produzir pe\u00e7as legais como as moedas sem erros, o CAD o ajuda.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_CNC_Machining\"><\/span><b>-\u00a0<\/b><strong><b>Usinagem CNC<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O molde \u00e9 cortado com ferramentas afiadas por uma m\u00e1quina CNC. O design \u00e9 fornecido pelo usu\u00e1rio. A m\u00e1quina pode fazer furos profundos ou linhas suaves. Ela funciona muito r\u00e1pido, em torno de 500 mm\/min. A precis\u00e3o \u00e9 de \u00b10,005 polegadas. Para fundir metais, como prata, voc\u00ea obt\u00e9m moldes perfeitos com superf\u00edcies brilhantes.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Mold_Cavity_Creation\"><\/span><b>-\u00a0<\/b><strong><b>Cria\u00e7\u00e3o da cavidade do molde<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Dentro do molde, voc\u00ea corta um espa\u00e7o para o metal. E essa cavidade pode ter 10 mm de espessura ou mais. As paredes precisam ser fortes o suficiente para conter o metal quente. Em seguida, voc\u00ea verifica o tamanho para garantir que o metal esfrie rapidamente. Isso permite que voc\u00ea fa\u00e7a pe\u00e7as bonitas a partir do molde com bastante rapidez.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Quality_Inspection\"><\/span><b>-\u00a0<\/b><strong><b>Inspe\u00e7\u00e3o de qualidade<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Voc\u00ea verifica o molde cuidadosamente. Em seguida, use lasers e ferramentas semelhantes para ver se o tamanho est\u00e1 correto. A superf\u00edcie n\u00e3o deve estar rachada e deve ser lisa. Antes que o molde possa ser usado na fundi\u00e7\u00e3o de pe\u00e7as, ele deve passar em todos os testes.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_The_Factors_to_Consider_When_Choosing_Graphite_Molds\"><\/span><strong><b>Quais s\u00e3o os fatores a serem considerados na escolha de moldes de grafite?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Temperature_Resistance\"><\/span><b>-\u00a0<\/b><strong><b>Resist\u00eancia \u00e0 temperatura<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Durante a fundi\u00e7\u00e3o dos moldes de grafite, eles ficam muito quentes. Eles podem processar at\u00e9 3000\u00b0F (1649\u00b0C). Se n\u00e3o quebrarem, podem quebrar. O ponto de fus\u00e3o do cobre \u00e9 1981\u00b0F, ou 1083\u00b0C. Nesse calor, os bons moldes s\u00e3o fortes. O metal deve ser plano ou deve produzir calor uniformemente. Opte por moldes avan\u00e7ados de granula\u00e7\u00e3o fina com condutividade t\u00e9rmica de 120 W\/mK.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Durability\"><\/span><b>-\u00a0<\/b><strong><b>Durabilidade<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Quando os moldes de grafite s\u00e3o usados, alguns objetos fundidos s\u00e3o for\u00e7ados sob forte press\u00e3o. O molde \u00e9 resistente se a densidade for maior que 1,7 g\/cm\u00b3. O n\u00edquel derrete a 1427\u00b0C (2600\u00b0F), portanto, s\u00e3o necess\u00e1rios moldes confi\u00e1veis. Os bons moldes t\u00eam uma resist\u00eancia de 30 MPa. A fundi\u00e7\u00e3o r\u00e1pida, sem danos, se deve a moldes resistentes.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Mold_Size\"><\/span><b>-\u00a0<\/b><strong><b>Tamanho do molde<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Os moldes devem ter uma correspond\u00eancia exata com o tamanho do metal. Os moldes grandes jogam fora os materiais e os pequenos entopem. As dimens\u00f5es da cavidade est\u00e3o na faixa de 100 mm a 150 mm. O molde deve ter o tamanho certo para que voc\u00ea obtenha melhores resultados de fundi\u00e7\u00e3o e produtos mais suaves.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Casting_Material\"><\/span><b>-\u00a0<\/b><strong><b>Material de fundi\u00e7\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/jinsuncarbon.com\/pt\/o-que-e-grafite-e-de-que-e-feito-o-grafite\/\">Moldes de grafite para fundi\u00e7\u00e3o<\/a>\u00a0funcionam bem com muitos metais, como ouro ou alum\u00ednio. O ponto de fus\u00e3o do ouro \u00e9 1948\u00b0F (1064\u00b0C). O ponto de fus\u00e3o do alum\u00ednio \u00e9 de 660\u00b0C (1220\u00b0F). Para materiais mais macios, <a href=\"https:\/\/jinsuncarbon.com\/pt\/o-que-e-po-de-grafite\/\">moldes de gr\u00e3o fino com porosidade 30%<\/a>\u00a0s\u00e3o perfeitos. Para evitar arranh\u00f5es nesses metais, precisamos de moldes lisos. A fundi\u00e7\u00e3o de cobre \u00e9 melhor realizada com moldes de alta condutividade a 120 W\/mK.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Cooling_Rate\"><\/span><b>-\u00a0<\/b><strong><b>Taxa de resfriamento<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Os moldes ajudam a definir a velocidade de resfriamento do metal. As rachaduras ocorrem quando o resfriamento \u00e9 muito r\u00e1pido. O metal se quebra se a taxa for superior a 5\u00b0C por minuto. Metais de resfriamento lento com moldes de cerca de 25 mm de espessura. As superf\u00edcies s\u00e3o lisas, bons moldes com 120 W\/mK. O molde final tamb\u00e9m pode se tornar forte e s\u00f3lido por meio de resfriamento, resfriamento uniforme.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Maintenance_and_Care_of_Graphite_Molds_for_Long-Lasting_Performance\"><\/span><strong><b>Manuten\u00e7\u00e3o e cuidados com os moldes de grafite para um desempenho duradouro!<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Surface_Cleaning\"><\/span><b>-\u00a0<\/b><strong><b>Limpeza de superf\u00edcies<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Para remover a poeira, limpe o molde com um pano macio. Aplique um limpador ap\u00f3s 100 fundi\u00e7\u00f5es, use um limpador especial. Mantenha-o seco para evitar ferrugem. Depois de terminar uma sess\u00e3o, limpe as aberturas com cuidado. Nunca use nada forte, pois isso prejudica o grafite. Isso far\u00e1 com que seu molde dure mais. Para obter bons resultados, queremos que a superf\u00edcie permane\u00e7a lisa.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Damage_Repair\"><\/span><b>-\u00a0<\/b><strong><b>Reparo de danos<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A cada 50 usos, verifique se h\u00e1 rachaduras. E esmerilhe pequenos arranh\u00f5es com ferramentas delicadas. Rachaduras grandes? Novos blocos ou inser\u00e7\u00f5es s\u00e3o adicionados. O grafite pode ser danificado pelo calor, portanto, n\u00e3o tente us\u00e1-lo para reparar rachaduras. Interrompa o problema rapidamente para que ele n\u00e3o se torne maior. \u00c9 preciso cuidar do mofo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Storage_Environment\"><\/span><b>-\u00a0<\/b><strong><b>Ambiente de armazenamento<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Mantenha-o em uma caixa seca e guarde seu molde de grafite. Os danos s\u00e3o causados pelo excesso de umidade. Use capas para manter a poeira longe. Mantenha a \u00e1rea de armazenamento fresca. N\u00e3o coloque seu molde pr\u00f3ximo a \u00e1cidos ou produtos qu\u00edmicos. Isso serve para que a corros\u00e3o n\u00e3o se instale ou para que o molde n\u00e3o seja danificado. Quando armazenado corretamente, ele durar\u00e1 mais.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Handling_Procedures\"><\/span><b>-\u00a0<\/b><strong><b>Procedimentos de manuseio<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Manuseie os moldes de grafite com cuidado. Use al\u00e7as macias ao levantar. Eles se arranham ao tocar em ferramentas afiadas. N\u00e3o mova o molde enquanto ele estiver quente para evitar danos. Se o molde estiver quente, ele pode rachar ao ser movido. O molde deve ser sempre transportado com cuidado. A superf\u00edcie permanece lisa e funcionando bem.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Inspection_Schedule\"><\/span><b>-\u00a0<\/b><strong><b>Cronograma de inspe\u00e7\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Inspecione seu molde ap\u00f3s 50 moldes. Veja se as bordas est\u00e3o rachadas ou enferrujadas. \u00c9 uma boa ideia ignorar pequenas rachaduras, mas quando elas aumentam, tornam-se problemas maiores. Verifique se h\u00e1 poeira nas aberturas de ventila\u00e7\u00e3o. Esse cronograma ajuda voc\u00ea a verificar as coisas com anteced\u00eancia. Se voc\u00ea fizer uma verifica\u00e7\u00e3o completa, seu molde de grafite permanecer\u00e1 em forma.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_The_Common_Issues_with_Graphite_Molds_and_How_to_Avoid_Them\"><\/span><strong><b>Quais s\u00e3o os problemas comuns com os moldes de grafite e como evit\u00e1-los?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"wp-image-5931 aligncenter\" src=\"https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-jewelry.png\" alt=\"moldes de grafite para joias\" width=\"686\" height=\"512\" srcset=\"https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-jewelry.png 1068w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-jewelry-600x448.png 600w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-jewelry-300x224.png 300w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-jewelry-1024x764.png 1024w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-jewelry-768x573.png 768w, https:\/\/jinsuncarbon.com\/wp-content\/uploads\/2024\/10\/graphite-molds-for-jewelry-16x12.png 16w\" sizes=\"(max-width: 686px) 100vw, 686px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Cracking\"><\/span><b>-\u00a0<\/b><strong><b>Rachaduras<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A execu\u00e7\u00e3o do molde pode rachar se voc\u00ea aquec\u00ea-lo muito rapidamente. Use apenas uma vez depois de mant\u00ea-lo a 300-500\u00b0C. A taxa de expans\u00e3o t\u00e9rmica deve ser de 4,5 \u00d7 10-\u2076 \/K para grafite. Al\u00e9m disso, o molde pode rachar nas bordas afiadas. O design suave do molde - sem cantos afiados - \u00e9 imprescind\u00edvel. O excesso de estresse o quebrar\u00e1.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Erosion\"><\/span><b>-\u00a0<\/b><strong><b>Eros\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Quando o metal flui muito r\u00e1pido, diz-se que ele sofre eros\u00e3o. Isso estraga os moldes. Limite o fluxo a menos de 45 m\/s. Os moldes de grafite para fundi\u00e7\u00e3o sofrem eros\u00e3o acima de 700\u00b0C. Cubra o grafite com alguns tipos de nitreto de boro para proteg\u00ea-lo. Voc\u00ea precisar\u00e1 verificar o molde a cada 50 ciclos de fundi\u00e7\u00e3o. Verificar os danos com frequ\u00eancia \u00e9 dif\u00edcil.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Contamination\"><\/span><b>-\u00a0<\/b><strong><b>Contamina\u00e7\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00c0s vezes, os metais sujos estragam os moldes. Escove suavemente o molde ou os produtos qu\u00edmicos sobre eles. Mantenha um n\u00edvel de impureza inferior a 0,5% em seu material de grafite. Entre 600 e 800 m\u00edcrons, voc\u00ea deve filtrar o metal fundido. Pe\u00e7as boas n\u00e3o saem de um molde sujo. Al\u00e9m disso, limpe-o com frequ\u00eancia para evitar pe\u00e7as fundidas ruins e economizar tempo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Thermal_Shock\"><\/span><b>-\u00a0<\/b><strong><b>Choque t\u00e9rmico<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O molde quebra se aquecer ou esfriar muito r\u00e1pido. Pr\u00e9-aque\u00e7a os moldes a 300-500\u00b0C. Isso ajuda a evitar rachaduras. <strong><em><b><i>Carbono JinSun<\/i><\/b><\/em><\/strong>\u00a0reduz os problemas ao usar grafite com um <a href=\"https:\/\/jinsuncarbon.com\/pt\/uhp-graphite-electrodes-in-electric-arc-furnace-technology\/\">condutividade t\u00e9rmica de 140 W\/m-K<\/a>. A verifica\u00e7\u00e3o do aquecimento do molde sempre envolve o uso de um monitor de temperatura. N\u00e3o deixe que ele esfrie muito r\u00e1pido!<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Uneven_Cooling\"><\/span><b>-\u00a0<\/b><strong><b>Resfriamento irregular<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>O resfriamento irregular deforma os moldes. Isso cria pe\u00e7as ruins. O molde deve ser projetado uniformemente e nenhuma parte dele deve ser mais fina do que 3,5 a 7,5 L\/min. Isso ajudar\u00e1 o molde a durar muito tempo. \u00c9 claro que, se o resfriamento for muito r\u00e1pido em alguns pontos, o molde pode quebrar. Para obter os melhores resultados, certifique-se de que o resfriamento seja uniforme.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong><b>Conclus\u00e3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>O teste de a\u00e7o n\u00e3o \u00e9 uma tarefa dif\u00edcil de ser realizada com as ferramentas corretas. <strong><b>Moldes de grafite para fundi\u00e7\u00e3o<\/b><\/strong>\u00a0tornam simples a modelagem de metais. O bom \u00e9 que os moldes resistentes duram e funcionam sob calor. D\u00ea uma olhada <a href=\"https:\/\/jinsuncarbon.com\/pt\/\">JINSUNCARBON<\/a>\u00a0para obter os melhores produtos de grafite que funcionam bem em seus projetos de fundi\u00e7\u00e3o. Torne a fundi\u00e7\u00e3o mais f\u00e1cil hoje mesmo!<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction How does steel get tested do you know? Let&#8217;s explore! Graphite molds for casting\u00a0help. These hot metal like gold and steel are shaped like these molds. Molds are strong up to 3000\u00b0C. Testing steel parts let you make different things. Want to know more? Read on! &nbsp; Understanding the Role of Graphite Molds in [&hellip;]<\/p>","protected":false},"author":3,"featured_media":5933,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carbon-graphite"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.2.1 (Yoast SEO v25.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Choose the Best Graphite Molds for Casting Perfect Results?<\/title>\n<meta name=\"description\" content=\"Graphite molds for casting shape metal into parts. 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