{"id":5862,"date":"2019-10-09T06:17:12","date_gmt":"2019-10-09T06:17:12","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=5862"},"modified":"2019-10-09T06:36:26","modified_gmt":"2019-10-09T06:36:26","slug":"foundry-filter-ceramic-foam","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/foundry-filter-ceramic-foam\/","title":{"rendered":"Filter Bahan Cetakan dari Busa Keramik"},"content":{"rendered":"<p>Gambaran Umum Busa Keramik Filter Foundry<\/p>\n<p>Dalam beberapa tahun terakhir, filter keramik berpori (PCF) dengan porositas hingga 90% dan ukuran pori 0,5\u20135,0 mm telah banyak digunakan di luar negeri dalam industri pengecoran logam dan pembuatan baja.<br \/>\nPenggunaan Busa Keramik Foundry Filter meningkatkan kemurnian produk dan mengurangi jumlah limbah, meningkatkan hasil logam serta berkontribusi pada penghematan energi, meningkatkan produktivitas pengecoran per satuan luas cetakan, memperbaiki sifat-sifat logam, dan meningkatkan kualitas logam.<br \/>\nPCF yang termasuk dalam kelompok filter pengecoran dengan permukaan penyaringan internal memiliki serangkaian sifat yang diperlukan untuk menyaring besi cor, baja, dan paduan suhu tinggi: bobot ringan, permukaan berkinerja tinggi, jalur aliran logam yang berliku-liku, kehilangan tekanan rendah, serta sifat termal dan mekanis yang memadai. Berkat strukturnya, filter ini\u2014berbeda dengan filter dua dimensi (kisi keramik, batang, jaring serat kaca dengan berbagai lapisan, dan lainnya)\u2014mampu menahan partikel berukuran mikron.<\/p>\n<p>Diketahui bahwa akibat adanya terak magnesit-silikat yang kental\u2014yang merupakan produk sampingan dari proses globalisasi grafit\u2014sistem saluran dan sistem terak untuk besi cor nodular menjadi 50\u2013100% lebih panjang dan lebih berat daripada biasanya.<br \/>\nOleh karena itu, perbandingan antara massa coran dengan massa logam dalam cetakan saat melakukan pengecoran besi tuang nodular hanya sebesar 50\u201360%.<br \/>\nBahkan ketika sistem saluran pengecoran yang kompleks digunakan, tingkat penolakan coran akibat inklusi non-logam dapat berkisar antara 3 hingga 10%, dan dalam beberapa kasus mencapai 35% (misalnya, dalam pembuatan komponen untuk industri otomotif, di mana persyaratan terhadap coran sangat ketat). Ketika proses pemesinan mengungkap cacat tambahan. Dengan demikian, tingkat hasil rata-rata pengecoran berkisar antara 45 hingga 55%.<\/p>\n<p>Saat melakukan pengecoran besi abu-abu, inklusi non-logam yang terbentuk lebih sedikit, namun terak dari tungku dan wadah penampung sering kali terbawa bersama logam cor ke dalam cetakan, sehingga meningkatkan jumlah limbah.<\/p>\n<p>Penerapan teknologi filtrasi logam yang pesat di industri pengecoran logam di luar negeri terutama disebabkan oleh peningkatan kualitas coran yang signifikan serta peningkatan produktivitas dengan biaya yang relatif rendah. Penggunaan filter busa keramik dalam produksi coran besi tuang dapat mengurangi ukuran sistem saluran masuk dan terak, secara signifikan mengurangi kandungan inklusi non-logam, serta meningkatkan hasil coran hingga 60\u201380%.<\/p>\n<p><img class=\"alignnone size-full wp-image-5864\" src=\"http:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Foundry-Filter-Ceramic-Foam-1.jpg\" alt=\"Filter Bahan Cetakan dari Busa Keramik\" width=\"640\" height=\"640\" srcset=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Foundry-Filter-Ceramic-Foam-1.jpg 640w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Foundry-Filter-Ceramic-Foam-1-150x150.jpg 150w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Foundry-Filter-Ceramic-Foam-1-300x300.jpg 300w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Foundry-Filter-Ceramic-Foam-1-570x570.jpg 570w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Foundry-Filter-Ceramic-Foam-1-500x500.jpg 500w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Foundry-Filter-Ceramic-Foam-1-120x120.jpg 120w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Filter Busa Keramik Foundry secara penampilan menyerupai spons; filter ini dihasilkan dengan cara meresapkan busa organik (misalnya, poliuretan berbusa) dengan bubur keramik, menghilangkan kelebihan cairan tersebut dengan cara memadatkannya, dilanjutkan dengan pengeringan dan pembakaran bahan dasar organiknya di dalam oven. Dalam kebanyakan kasus, proses pembakaran tersebut berkontribusi pada proses sintering keramik.<\/p>\n<p>Saat ini, berbagai jenis PCF telah dikembangkan dengan sifat-sifat yang memenuhi persyaratan pengecoran sebagian besar logam dan paduan non-besi. Selama bertahun-tahun, aluminium oksida pada pengikat fosfat serta bahan-bahan dari sistem Cr\u2082O\u2083-Al\u2082O\u2083 telah digunakan untuk menyaring aluminium. Dalam beberapa kasus, bahan yang disinter <a href=\"http:\/\/www.adtechamm.com\/id\/products\/\">Filter Bahan Cetakan dari Busa Keramik<\/a> Tanpa menggunakan pengikat, metode ini telah berhasil digunakan untuk pengecoran paduan aluminium dengan tingkat reaktivitas tinggi.<br \/>\nPengikat fosfat juga digunakan untuk memisahkan logam non-besi dan paduannya yang memiliki titik leleh rendah: kuningan, perunggu, seng, timah, tembaga, dan sebagainya.<\/p>\n<p>Logam besi dan paduannya memiliki aktivitas kimia serta suhu pengecoran yang lebih tinggi dibandingkan logam non-besi, sehingga diperlukan pengembangan teknologi dan penciptaan filter busa keramik suhu tinggi baru yang memiliki ketahanan kimia yang lebih baik, khususnya yang terbuat dari silikon karbida.<\/p>\n<p>Filter kasar dengan porositas 4 pori per 1 cm biasanya digunakan untuk pengecoran besi tuang nodular dan untuk memproduksi coran berukuran besar.<br \/>\nSaringan dengan porositas 8 pori per 1 cm direkomendasikan untuk pemurnian besi cor abu-abu, dan pada tahap akhir, saringan halus dengan porositas 12 pori per 1 cm digunakan untuk pengecoran besi cor lentur.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Foundry Filter Ceramic Foam Overview In recent years, porous ceramic filters (PCF) with porosity up to 90% and pore size of 0.5-5.0 mm are widely used abroad in foundry and steelmaking. The use of Foundry Filter Ceramic Foam increases the purity of products and reduces&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Foundry Filter Ceramic Foam Overview | Adtech China<\/title>\n<meta name=\"description\" content=\"Foundry Filter Ceramic Foam looks like a sponge in appearance; they are obtained by impregnating organic foam (for example, foamed polyurethane)...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adtechamm.com\/id\/foundry-filter-ceramic-foam\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Foundry Filter Ceramic Foam Overview | Adtech China\" \/>\n<meta property=\"og:description\" content=\"Foundry Filter Ceramic Foam looks like a sponge in appearance; 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