{"id":7797,"date":"2020-11-30T06:52:48","date_gmt":"2020-11-30T06:52:48","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=7797"},"modified":"2020-11-30T06:52:48","modified_gmt":"2020-11-30T06:52:48","slug":"nozzle-cavity","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/nozzle-cavity\/","title":{"rendered":"Rongga Nozel"},"content":{"rendered":"

Rongga Nozel<\/strong> merupakan bagian penting dalam pengaliran aluminium cair pada proses pengecoran dan penggulungan paduan aluminium. Struktur nosel akan secara langsung memengaruhi apakah logam cair dapat mengalir dari rongga nosel ke zona pengecoran-penggulungan secara merata dan stabil, yang pada gilirannya memengaruhi kualitas pelat.
\nBlok-blok shunt di dalam nosel pengecoran disusun secara teratur, sehingga meningkatkan keseragaman distribusi logam cair di dalam nozel pengecoran<\/a> serta meningkatkan kualitas produk cor-gulung. Hal ini memainkan peran penting dalam menstabilkan proses pengecoran dan penggulungan serta kualitasnya. Jika Anda membutuhkan informasi lebih lanjut dan harga, silakan hubungi sales@adtechamm.com.<\/p>\n

\"Rongga<\/p>\n

Secara ilmiah, bahan ini terdiri dari serat keramik dan bahan keramik anorganik, serta memiliki keunggulan berupa elastisitas sedang, deformasi yang kecil, dan masa pakai yang lama.
\nHal ini dapat secara efektif mencegah korosi aluminium cair pada rongga nosel pengecoran, sehingga memberikan jaminan yang efektif terhadap kualitas pelat aluminium hasil pengecoran dan penggulungan. Sesuai dengan kebutuhan pelanggan, nosel pengecoran dengan berbagai model dan metode pengaliran dapat diproduksi.<\/p>\n

Menurut teori lapisan batas dalam mekanika fluida, setelah logam aluminium cair memasuki rongga nosel, logam tersebut mengalir ke arah saluran keluar nosel yang memiliki hambatan paling kecil di bawah pengaruh tekanan statis permukaan cairan pada kotak depan.
\nKecepatan aliran di daerah tengah yang jauh dari batas nosel lebih besar daripada di daerah batas, dan sebuah blok pengalih harus dipasang di dalam nosel untuk memastikan bahwa sebagian lelehan mengalir ke kedua sisi setelah menemui hambatan di bagian tengah.
\nSelama proses pengecoran dan penggulungan, aliran logam cair di dalam rongga harus stabil, dan medan aliran panas logam cair di ujung keluar nozel harus tersebar secara merata dalam arah lebar; oleh karena itu, blok pengalih harus ditempatkan secara tepat.<\/p>\n

Pengecoran dua rol untuk strip tipis berkecepatan tinggi merupakan teknologi pemrosesan aliran pendek dan bentuk mendekati akhir. Proses pengecoran-penggulungannya termasuk dalam kategori pemadatan sub-cepat, dan laju pendinginannya berkisar antara 102 \u00b0C\/s dan 104 \u00b0C\/s.<\/strong>
\nTeknologi ini secara khusus memiliki keunggulan dalam menghaluskan butiran kristal dan menekan segregasi, sehingga dapat meningkatkan mikrostruktur produk, memberikan kinerja pengolahan lanjutan yang sangat baik, serta mampu menghasilkan produk-produk yang sulit diproduksi dalam kondisi proses biasa.
\nKarena karakteristik teknologinya, teknologi ini memerlukan laju pendinginan yang cepat pada logam cair selama proses pengecoran dan penggulungan, serta distribusi medan aliran yang optimal di dalam rongga nosel; jika tidak, kualitas produk strip tipis serta stabilitas proses produksi pengecoran dan penggulungan akan sulit dijamin.
\nStruktur dan perakitan rongga nosel merupakan komponen utama yang memengaruhi distribusi medan aliran dan medan suhu di dalam rongga nosel. Oleh karena itu, perlu dikembangkan jenis nosel cor baru yang memiliki kapasitas pendinginan lebih baik serta distribusi medan aliran yang lebih optimal di dalam rongga nosel.<\/p>","protected":false},"excerpt":{"rendered":"

Nozzle Cavity is a key part of conveying molten aluminum in aluminum alloy casting and rolling production. The nozzle structure will directly affect whether the melt can enter the casting-rolling zone from the nozzle cavity uniformly and stably, thereby affecting the quality of the plate….<\/p>","protected":false},"author":1,"featured_media":7798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"\nNozzle Cavity for Aluminum Strip Casting | Adtech China<\/title>\n<meta name=\"description\" content=\"Nozzle Cavity is a key part of conveying molten aluminum in aluminum alloy casting and rolling production. sales@adtechamm.com\" \/>\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\/nozzle-cavity\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nozzle Cavity for 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