{"id":8315,"date":"2021-02-26T07:08:20","date_gmt":"2021-02-26T07:08:20","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8315"},"modified":"2021-02-26T07:08:20","modified_gmt":"2021-02-26T07:08:20","slug":"ceramic-foam-filterer-for-foundry","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/ceramic-foam-filterer-for-foundry\/","title":{"rendered":"Filter Busa Keramik untuk Pengecoran Logam"},"content":{"rendered":"

Filter Busa Keramik untuk Pengecoran Logam<\/strong> dapat secara efektif menghilangkan atau mengurangi inklusi dalam proses peleburan dan pengecoran paduan aluminium, meningkatkan kemurnian logam cair, serta membuat permukaan coran logam cair menjadi halus, berstruktur seragam, memiliki kekuatan yang lebih tinggi, dan mengurangi jumlah produk cacat, sekaligus mengurangi lebih lanjut kerugian akibat pemrosesan mesin serta meningkatkan produktivitas tenaga kerja.<\/p>\n

Dengan memiliki dua permukaan ujung dan satu permukaan tepi luar serta pemisahan dinding pemisah, terbentuklah suatu benda berpori yang memiliki sejumlah jalur aliran utama bagi fluida yang telah dimurnikan, yang mengalir dari satu permukaan ujung ke permukaan ujung lainnya.<\/p>\n

Filter Busa Keramik untuk Pengecoran Logam<\/strong> menyaring terak padat seperti oksida logam yang terkandung dalam logam cair, sehingga meningkatkan kualitas dan hasil produksi paduan aluminium. Oleh karena itu, penggunaan Filter Keramik Berbusa<\/a> mendorong kemajuan teknologi di industri pengecoran.<\/p>\n

\"Filter<\/p>\n

Cacat utama pada ingot kawat aluminium adalah<\/strong>
\n1. Retak<\/strong>
\nPenyebabnya adalah suhu aluminium cair terlalu tinggi, kecepatannya terlalu cepat, dan tegangan sisa pun meningkat; kadar silikon dalam aluminium cair lebih besar dari 0,8%, sehingga terbentuk campuran aluminium dan silikon yang sama, dan kemudian dihasilkan sejumlah silikon bebas, yang meningkatkan retak termal pada logam: Atau air pendingin yang tidak mencukupi. Apabila permukaan cetakan kasar atau tidak menggunakan pelumas, permukaan dan sudut-sudut ingot juga akan retak.
\n2. Inklusi terak<\/strong>
\nInklusi terak pada permukaan ingot kawat aluminium disebabkan oleh fluktuasi aluminium cair, pecahnya lapisan oksida pada permukaan aluminium cair, serta masuknya endapan terak dari permukaan ke bagian samping ingot.
\nTerkadang, oli pelumas juga bisa membawa sedikit endapan.
\nInklusi terak internal disebabkan oleh suhu aluminium cair yang rendah, viskositas yang tinggi, ketidakmampuan terak untuk mengapung tepat waktu, atau perubahan ketinggian aluminium cair yang sering terjadi selama proses pengecoran.
\n3. Kompartemen pendingin<\/strong>
\nPembentukan penghalang dingin terutama disebabkan oleh fluktuasi yang berlebihan pada tingkat aluminium cair di dalam cetakan, suhu pengecoran yang rendah, kecepatan pengecoran ingot yang terlalu lambat, atau getaran dan jatuhnya bahan cor yang tidak merata pada mesin pengecoran.
\n4. Stoma<\/strong>
\nPor-pori yang dimaksud di sini adalah pori-pori kecil dengan diameter kurang dari 1 mm.
\nPenyebabnya adalah suhu pengecoran terlalu tinggi dan proses kondensasi berlangsung terlalu cepat, sehingga gas yang terkandung dalam cairan aluminium tidak dapat keluar tepat waktu; dan setelah mengeras, gelembung-gelembung kecil tersebut terkumpul dan tertinggal di dalam ingot sehingga membentuk pori-pori.
\n5. Permukaan yang kasar<\/strong>
\nKarena dinding bagian dalam kristalisator tidak halus, efek pelumasan menjadi kurang baik, dan pada kasus yang parah, terbentuk endapan aluminium pada permukaan kristal. Atau karena perbandingan besi terhadap silikon terlalu tinggi, sehingga terjadi fenomena segregasi akibat pendinginan yang tidak merata.
\n6. Kebocoran aluminium dan analisis ulang.<\/strong>
\nPenyebab utamanya adalah masalah fungsi, dan jika kondisinya parah, hal ini juga dapat menyebabkan munculnya nodul.<\/p>","protected":false},"excerpt":{"rendered":"

Ceramic Foam Filterer For Foundry can effectively remove or reduce the inclusions in the aluminum alloy melting and casting, improve the purity of the molten metal, and make the surface of the molten metal castings smooth, uniform in structure, increased in strength, and reduced in…<\/p>","protected":false},"author":1,"featured_media":8316,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[],"yoast_head":"\nCeramic Foam Filterer For Foundry | Adtech China<\/title>\n<meta name=\"description\" content=\"Ceramic Foam Filterer For Foundry can effectively remove or reduce the inclusions in the aluminum alloy melting and casting....\" \/>\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\/ceramic-foam-filterer-for-foundry\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" 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