{"id":4451,"date":"2020-11-21T08:38:29","date_gmt":"2020-11-21T08:38:29","guid":{"rendered":"https:\/\/www.aluminiumceramicfiber.com\/?p=4451"},"modified":"2020-11-20T08:42:15","modified_gmt":"2020-11-20T08:42:15","slug":"riser-sleeve","status":"publish","type":"post","link":"https:\/\/www.aluminiumceramicfiber.com\/id\/riser-sleeve\/","title":{"rendered":"Selongsong Riser"},"content":{"rendered":"<p>Selongsong riser terbuat dari paduan aluminium-silikon (Al-Si) dengan titik leleh tinggi 140. Selongsong ini memiliki ketahanan korosi yang tinggi, akurasi geometris yang tinggi, permukaan yang halus, masa pakai yang panjang, biaya perawatan yang rendah, serta tidak menimbulkan polusi pada logam cair. Selongsong ini merupakan pilihan terbaik untuk pengecoran hot top, yang dapat memenuhi persyaratan teknis dalam produksi produk pengecoran presisi paduan aluminium bernilai tambah tinggi dan berteknologi tinggi (seperti produk penerbangan, transportasi, dan elektronik).<\/p>\n<p>Pengecoran hot top adalah metode pengecoran yang dilengkapi dengan bagian penahan panas yang baik di bagian atas cetakan, yang berfungsi untuk memperlambat pendinginan awal pada bagian atas cetakan, bukan untuk memperlambat laju pendinginan cetakan itu sendiri. Pendinginan seluruh cetakan. Selongsong riser merupakan salah satu bagian penting sebelum aluminium cair masuk ke dalam cetakan.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4452\" src=\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/11\/Riser-Sleeve.jpg\" alt=\"Selongsong Riser\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/11\/Riser-Sleeve.jpg 500w, https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/11\/Riser-Sleeve-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Pilih spesifikasi yang sesuai untuk aksesori pemasangan platform peralatan pengecoran hot top<\/p>\n<p>Pasang pelat pemisah, bushing, pelat adaptor, <a href=\"https:\/\/www.aluminiumceramicfiber.com\/id\/portfolio\/ceramic-launder\/\">saluran pembuangan keramik<\/a> dan cincin grafit di bagian atas platform.<\/p>\n<p>Rumah, pelat adaptor, dan cincin grafit dipasang di dalam cetakan untuk memastikan kebersihan, tidak ada kerusakan, dan tidak ada celah.<\/p>\n<p>Sebaiknya sisi-sisi dan bagian bawahnya ditutup rapat dengan kertas serat keramik atau selimut serat keramik agar tetap hangat.<\/p>\n<p>Setelah platform pengecoran hot top terpasang sepenuhnya, platform peralatan standar yang telah dipasang dipanaskan terlebih dahulu secara merata hingga suhu 260\u2013350 \u00b0C. Pemanasan ini dapat dilakukan dengan listrik atau udara. Dilarang sekali-kali menyentuhkan lapisan dalam produk dengan api terbuka, karena hal ini dapat menyebabkan retakan. Pengguna wajib menghilangkan air kristal yang terserap untuk penggunaan yang aman dan efektif.<\/p>\n<p>Karakteristik teknologi pengecoran hot top<\/p>\n<p>1. Pengecoran dengan metode hot top tidak hanya bermanfaat untuk meningkatkan kualitas permukaan ingot, tetapi juga untuk proses pengkristalan terarah dan mengimbangi penyusutan dari bawah ke atas. Jika pelat saringan ditambahkan ke bagian hot top pada saat yang sama, hal ini dapat mencegah slag cair masuk ke dalam ingot.<\/p>\n<p>2. Selama beberapa saat setelah aluminium cair masuk ke dalam cetakan tembaga, cairan di bagian atas yang panas masih dapat mempertahankan suhu tinggi, yang akan menyebabkan munculnya gas endapan selama proses pembekuan cairan serta terjadinya penyusutan pembekuan tambahan. Kondisi yang baik.<\/p>","protected":false},"excerpt":{"rendered":"<p>The riser sleeve is made of high silicon melting point 140 and Al Si. It has strong corrosion resistance, high geometric accuracy, smooth surface, long service life, low maintenance cost and no pollution to molten metal. It is the best choice for hot top casting, which can meet the technical requirements for the production of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4452,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-4451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Riser Sleeve for Hot Top Casting - sales@aluminiumceramicfiber.com<\/title>\n<meta name=\"description\" content=\"The riser sleeve is made of high silicon melting point 140 and Al Si. 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