{"id":2462,"date":"2026-08-18T12:33:48","date_gmt":"2026-08-18T05:33:48","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/"},"modified":"2026-08-18T12:33:48","modified_gmt":"2026-08-18T05:33:48","slug":"quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/","title":{"rendered":"Quy tr\u00ecnh ph\u1ee5c h\u1ed3i \u0111\u1ed9 b\u00f3ng g\u01b0\u01a1ng (No.8) cho Inox c\u0169, m\u1edd \u0111\u1ea1t chu\u1ea9n"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2462&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0110\u00e1nh gi\u00e1&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Quy tr\u00ecnh ph\u1ee5c h\u1ed3i \u0111\u1ed9 b\u00f3ng g\u01b0\u01a1ng (No.8) cho Inox c\u0169, m\u1edd \u0111\u1ea1t chu\u1ea9n&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div 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class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">\u0110\u00e1nh gi\u00e1<\/span>\n    <\/div>\n    <\/div>\n<div class=\"custom-toc\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\">Table of Contents<\/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=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/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 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Noi_dung_chinh\" >N\u1ed9i dung ch\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Nhan_dien_tinh_trang_va_quyet_dinh_phuong_an\" >Nh\u1eadn di\u1ec7n t\u00ecnh tr\u1ea1ng v\u00e0 quy\u1ebft \u0111\u1ecbnh ph\u01b0\u01a1ng \u00e1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Dung_cu_vat_tu_va_chuan_bi\" >D\u1ee5ng c\u1ee5, v\u1eadt t\u01b0 v\u00e0 chu\u1ea9n b\u1ecb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Quy_trinh_chuan_phuc_hoi_do_bong_guong_No8\" >Quy tr\u00ecnh chu\u1ea9n ph\u1ee5c h\u1ed3i \u0111\u1ed9 b\u00f3ng g\u01b0\u01a1ng (No.8)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Buoc_1_%E2%80%93_Lam_sach_va_tay_dau\" >B\u01b0\u1edbc 1 \u2013 L\u00e0m s\u1ea1ch v\u00e0 t\u1ea9y d\u1ea7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Buoc_2_%E2%80%93_Khu_o_vet_khoang_va_gi_nhe\" >B\u01b0\u1edbc 2 \u2013 Kh\u1eed \u1ed1, v\u1ec7t kho\u00e1ng v\u00e0 g\u1ec9 nh\u1eb9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Buoc_3_%E2%80%93_Xu_ly_moi_han_va_khuyet_tat_sau_neu_co\" >B\u01b0\u1edbc 3 \u2013 X\u1eed l\u00fd m\u1ed1i h\u00e0n v\u00e0 khuy\u1ebft t\u1eadt s\u00e2u (n\u1ebfu c\u00f3)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Buoc_4_%E2%80%93_Mai_nham_theo_chuoi_hat_stock_removal_%E2%86%92_refinement\" >B\u01b0\u1edbc 4 \u2013 M\u00e0i nh\u00e1m theo chu\u1ed7i h\u1ea1t (stock removal \u2192 refinement)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Buoc_5_%E2%80%93_Danh_bong_buffing_den_guong_No8\" >B\u01b0\u1edbc 5 \u2013 \u0110\u00e1nh b\u00f3ng (buffing) \u0111\u1ebfn g\u01b0\u01a1ng No.8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Buoc_6_%E2%80%93_Rua_sach_thu_dong_hoa_passivation\" >B\u01b0\u1edbc 6 \u2013 R\u1eeda s\u1ea1ch, th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Buoc_7_%E2%80%93_Kiem_soat_chat_luong\" >B\u01b0\u1edbc 7 \u2013 Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Thong_so_ky_thuat_va_tieu_chi_hoan_thien\" >Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau ch\u00ed ho\u00e0n thi\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Nang_suat_chi_phi_va_lap_ke_hoach\" >N\u0103ng su\u1ea5t, chi ph\u00ed v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Loi_thuong_gap_va_cach_khac_phuc\" >L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Tinh_huong_dac_biet\" >T\u00ecnh hu\u1ed1ng \u0111\u1eb7c bi\u1ec7t<\/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:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Ong_tay_vinkhung_hop\" >\u1ed0ng tay v\u1ecbn\/khung h\u1ed9p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Chuyen_No4_len_No8\" >Chuy\u1ec3n No.4 l\u00ean No.8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Khi_nen_chon_dien_danh_bong_electropolishing\" >Khi n\u00ean ch\u1ecdn \u0111i\u1ec7n \u0111\u00e1nh b\u00f3ng (electropolishing)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Bao_duong_sau_phuc_hoi_de_giu_guong_ben_dep\" >B\u1ea3o d\u01b0\u1ee1ng sau ph\u1ee5c h\u1ed3i \u0111\u1ec3 gi\u1eef g\u01b0\u01a1ng b\u1ec1n \u0111\u1eb9p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#An_toan_va_moi_truong\" >An to\u00e0n v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Tai_lieu_tham_khao\" >T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/inoxcuongthinh.com\/quy-trinh-phuc-hoi-do-bong-guong-no-8-cho-inox-cu-mo-dat-chuan\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Noi_dung_chinh\"><\/span>N\u1ed9i dung ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"#toc-0-nhan-dien-tinh-trang-va-quyet-dinh-phuong-an\">Nh\u1eadn di\u1ec7n t\u00ecnh tr\u1ea1ng v\u00e0 quy\u1ebft \u0111\u1ecbnh ph\u01b0\u01a1ng \u00e1n<\/a><\/li>\n<li><a href=\"#toc-1-dung-cu-vat-tu-va-chuan-bi\">D\u1ee5ng c\u1ee5, v\u1eadt t\u01b0 v\u00e0 chu\u1ea9n b\u1ecb<\/a><\/li>\n<li><a href=\"#toc-2-quy-trinh-chuan-phuc-hoi-do-bong-guong-no8\">Quy tr\u00ecnh chu\u1ea9n ph\u1ee5c h\u1ed3i \u0111\u1ed9 b\u00f3ng g\u01b0\u01a1ng (No.8)<\/a><\/li>\n<li><a href=\"#toc-3-thong-so-ky-thuat-va-tieu-chi-hoan-thien\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau ch\u00ed ho\u00e0n thi\u1ec7n<\/a><\/li>\n<li><a href=\"#toc-4-nang-suat-chi-phi-va-lap-ke-hoach\">N\u0103ng su\u1ea5t, chi ph\u00ed v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch<\/a><\/li>\n<li><a href=\"#toc-5-loi-thuong-gap-va-cach-khac-phuc\">L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/a><\/li>\n<li><a href=\"#toc-6-tinh-huong-dac-biet\">T\u00ecnh hu\u1ed1ng \u0111\u1eb7c bi\u1ec7t<\/a><\/li>\n<li><a href=\"#toc-7-bao-duong-sau-phuc-hoi-de-giu-guong-ben-dep\">B\u1ea3o d\u01b0\u1ee1ng sau ph\u1ee5c h\u1ed3i \u0111\u1ec3 gi\u1eef g\u01b0\u01a1ng b\u1ec1n \u0111\u1eb9p<\/a><\/li>\n<li><a href=\"#toc-8-an-toan-va-moi-truong\">An to\u00e0n v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-9-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong b\u1ea3o d\u01b0\u1ee1ng \u2013 v\u1ec7 sinh \u2013 ph\u1ee5c h\u1ed3i Inox, kh\u00f4i ph\u1ee5c \u0111\u1ed9 b\u00f3ng g\u01b0\u01a1ng (No.8) cho b\u1ec1 m\u1eb7t b\u1ecb c\u0169, x\u01b0\u1edbc, \u1ed1 m\u1edd l\u00e0 h\u1ea1ng m\u1ee5c \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt cao. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p quy tr\u00ecnh chu\u1ea9n, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, ti\u00eau ch\u00ed ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 l\u01b0u \u00fd an to\u00e0n \u0111\u1ec3 anh em k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u, x\u01b0\u1edfng c\u01a1 kh\u00ed c\u00f3 th\u1ec3 \u0111\u1ea1t b\u1ec1 m\u1eb7t g\u01b0\u01a1ng \u0111\u1ed3ng \u0111\u1ec1u, b\u1ec1n, \u0111\u1ea1t chu\u1ea9n c\u00f4ng nghi\u1ec7p.<\/p>\n<h2 id=\"toc-0-nhan-dien-tinh-trang-va-quyet-dinh-phuong-an\"><span class=\"ez-toc-section\" id=\"Nhan_dien_tinh_trang_va_quyet_dinh_phuong_an\"><\/span>Nh\u1eadn di\u1ec7n t\u00ecnh tr\u1ea1ng v\u00e0 quy\u1ebft \u0111\u1ecbnh ph\u01b0\u01a1ng \u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u1ea5u hi\u1ec7u c\u1ea7n ph\u1ee5c h\u1ed3i:<br \/>\n  &#8211; X\u01b0\u1edbc d\u0103m, l\u00f4ng m\u00e8o, xo\u00e1y tr\u00f2n do lau ch\u00f9i sai c\u00e1ch.<br \/>\n  &#8211; \u1ed0 v\u00e0ng\/n\u00e2u (tea-staining) do clorua, h\u01a1i bi\u1ec3n.<br \/>\n  &#8211; V\u1ebft xanh t\u00edm quanh m\u1ed1i h\u00e0n (heat tint), da cam do qu\u00e1 nhi\u1ec7t.<br \/>\n  &#8211; M\u1edd x\u1ec9n do \u00f4xi h\u00f3a, b\u00e1m c\u1eb7n canxi, d\u1ea7u m\u1ee1.<br \/>\n&#8211; \u0110\u00e1nh gi\u00e1 nhanh v\u1eadt li\u1ec7u v\u00e0 y\u00eau c\u1ea7u:<br \/>\n  &#8211; M\u00e1c th\u00e9p: 304 cho n\u1ed9i th\u1ea5t; 316\/316L cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n (ngo\u00e0i tr\u1eddi, bi\u1ec3n).<br \/>\n  &#8211; Y\u00eau c\u1ea7u ho\u00e0n thi\u1ec7n: No.8 (mirror) th\u01b0\u1eddng c\u1ea7n Ra \u2264 0,05\u20130,10 \u00b5m, gloss 60\u00b0 \u2265 900\u20131000 GU t\u00f9y thi\u1ebft b\u1ecb \u0111o.<br \/>\n  &#8211; Khu v\u1ef1c thi c\u00f4ng: t\u1ea1i ch\u1ed7 (site) hay trong x\u01b0\u1edfng (shop) \u0111\u1ec3 ch\u1ecdn d\u1ee5ng c\u1ee5, ki\u1ec3m so\u00e1t b\u1ee5i\/ti\u1ebfng \u1ed3n.<br \/>\n&#8211; Ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p:<br \/>\n  &#8211; C\u01a1 h\u1ecdc (m\u00e0i\u2013\u0111\u00e1nh b\u00f3ng): chu\u1ea9n cho v\u1ebft x\u01b0\u1edbc, m\u1edd; linh ho\u1ea1t nh\u1ea5t.<br \/>\n  &#8211; H\u00f3a h\u1ecdc: t\u1ea9y m\u1ed1i h\u00e0n, lo\u1ea1i b\u1ecf \u1ed1 b\u1ea9n\/v\u1ea3y \u00f4x\u00edt.<br \/>\n  &#8211; \u0110i\u1ec7n \u0111\u00e1nh b\u00f3ng (electropolish): cho chi ti\u1ebft ph\u1ee9c t\u1ea1p, y\u00eau c\u1ea7u v\u1ec7 sinh cao (th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c), ho\u1eb7c c\u1ea7n Ra r\u1ea5t th\u1ea5p v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n<h2 id=\"toc-1-dung-cu-vat-tu-va-chuan-bi\"><span class=\"ez-toc-section\" id=\"Dung_cu_vat_tu_va_chuan_bi\"><\/span>D\u1ee5ng c\u1ee5, v\u1eadt t\u01b0 v\u00e0 chu\u1ea9n b\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; M\u00e1y v\u00e0 ph\u1ee5 ki\u1ec7n:<br \/>\n  &#8211; M\u00e1y m\u00e0i\/\u0111\u00e1nh b\u00f3ng t\u1ed1c \u0111\u1ed9 bi\u1ebfn thi\u00ean 800\u20133500 rpm, qu\u1ef9 \u0111\u1ea1o ng\u1eabu nhi\u00ean (random orbital) cho b\u1ec1 m\u1eb7t t\u1ea5m; m\u00e1y th\u1eb3ng\/\u0111ai nh\u00e1m cho \u1ed1ng, tay v\u1ecbn.<br \/>\n  &#8211; Nh\u00e1m \u0111\u1ecbnh c\u1ea5p: t\u1eeb P240 \u2192 P320 \u2192 P400 \u2192 P600 \u2192 P800 \u2192 P1200 \u2192 P1500 \u2192 P2000. C\u00f3 th\u1ec3 d\u00f9ng nh\u00e1m c\u1ea5u tr\u00fac 3D (v\u00ed d\u1ee5 3M Trizact A45\/A30\/A16\/A6) \u0111\u1ec3 t\u0103ng t\u00ednh l\u1eb7p l\u1ea1i.<br \/>\n  &#8211; B\u00e1nh n\u1ec9 sisal\/canvas (c\u1ea5p c\u1ee9ng) cho ti\u1ec1n \u0111\u00e1nh b\u00f3ng; b\u00e1nh v\u1ea3i cotton\/m\u00fat (m\u1ec1m) cho b\u00f3ng g\u01b0\u01a1ng.<br \/>\n  &#8211; H\u1ee3p ch\u1ea5t \u0111\u00e1nh b\u00f3ng: th\u00f4 (n\u00e2u\/Tripoli), trung b\u00ecnh, tinh (xanh Cr2O3), si\u00eau tinh (alumina\/diamond 3\u20131 \u00b5m) cho b\u01b0\u1edbc ho\u00e0n thi\u1ec7n.<br \/>\n&#8211; H\u00f3a ch\u1ea5t:<br \/>\n  &#8211; T\u1ea9y d\u1ea7u: dung d\u1ecbch ki\u1ec1m nh\u1eb9 ho\u1eb7c c\u1ed3n isopropyl.<br \/>\n  &#8211; T\u1ea9y \u1ed1\/heat tint v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a: gel\/nh\u0169 t\u01b0\u01a1ng g\u1ed1c nitric\/citric \u0111\u00e1p \u1ee9ng ASTM A967\/A380. \u01afu ti\u00ean dung d\u1ecbch g\u1ed1c citric an to\u00e0n h\u01a1n; d\u00f9ng gel t\u1ea9y m\u1ed1i h\u00e0n chuy\u00ean d\u1ee5ng khi c\u1ea7n.<br \/>\n  &#8211; N\u01b0\u1edbc r\u1eeda: n\u01b0\u1edbc kh\u1eed kho\u00e1ng\/DI \u0111\u1ec3 gi\u1ea3m v\u1ec7t mu\u1ed1i.<br \/>\n&#8211; D\u1ee5ng c\u1ee5 \u0111o v\u00e0 ki\u1ec3m so\u00e1t:<br \/>\n  &#8211; M\u00e1y \u0111o \u0111\u1ed9 nh\u00e1m Ra (profilometer), gloss meter 60\u00b0, \u0111\u00e8n chi\u1ebfu 500\u20131000 lux \u0111\u1ec3 soi khuy\u1ebft t\u1eadt.<br \/>\n  &#8211; B\u00fat \u0111o pH \u0111\u1ec3 ki\u1ec3m tra trung t\u00ednh sau h\u00f3a ch\u1ea5t.<br \/>\n&#8211; An to\u00e0n:<br \/>\n  &#8211; PPE: k\u00ednh, kh\u1ea9u trang l\u1ecdc b\u1ee5i m\u1ecbn, g\u0103ng, t\u1ea1p d\u1ec1, m\u1eb7t n\u1ea1 l\u1ecdc h\u01a1i khi d\u00f9ng axit.<br \/>\n  &#8211; H\u00fat b\u1ee5i t\u1ea1i ngu\u1ed3n, ch\u1eafn tia l\u1eeda, ki\u1ec3m so\u00e1t nhi\u1ec7t b\u1ec1 m\u1eb7t < 60\u201370\u00b0C \u0111\u1ec3 tr\u00e1nh bi\u1ebfn m\u00e0u.\n- L\u01b0u \u00fd ph\u00f2ng nhi\u1ec5m b\u1ea9n:\n  - D\u00f9ng \u0111\u1ed3 ngh\u1ec1 chuy\u00ean cho inox; tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng gi\u1ea5y nh\u00e1m\/mi\u1ebfng ch\u00e0 t\u1eebng m\u00e0i th\u00e9p carbon \u0111\u1ec3 tr\u00e1nh \u0111\u01b0a Fe b\u00e1m g\u00e2y g\u1ec9 n\u00e2u.\n\n\n\n<h2 id=\"toc-2-quy-trinh-chuan-phuc-hoi-do-bong-guong-no8\"><span class=\"ez-toc-section\" id=\"Quy_trinh_chuan_phuc_hoi_do_bong_guong_No8\"><\/span>Quy tr\u00ecnh chu\u1ea9n ph\u1ee5c h\u1ed3i \u0111\u1ed9 b\u00f3ng g\u01b0\u01a1ng (No.8)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_1_%E2%80%93_Lam_sach_va_tay_dau\"><\/span>B\u01b0\u1edbc 1 \u2013 L\u00e0m s\u1ea1ch v\u00e0 t\u1ea9y d\u1ea7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Phun\/kh\u0103n lau dung d\u1ecbch t\u1ea9y d\u1ea7u, ch\u00e0 nh\u1eb9 lo\u1ea1i b\u1ecf d\u1ea7u m\u1ee1, s\u00e1p c\u0169. R\u1eeda n\u01b0\u1edbc DI, lau kh\u00f4 b\u1eb1ng kh\u0103n s\u1ee3i nh\u1ecf s\u1ea1ch, kh\u00f4ng x\u01a1.<br \/>\n&#8211; M\u1ee5c ti\u00eau: b\u1ec1 m\u1eb7t s\u1ea1ch \u0111\u1ec3 th\u1ea5y \u0111\u00fang m\u1ee9c x\u01b0\u1edbc\/\u1ed1, tr\u00e1nh v\u00f3n c\u1ee5c khi m\u00e0i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_2_%E2%80%93_Khu_o_vet_khoang_va_gi_nhe\"><\/span>B\u01b0\u1edbc 2 \u2013 Kh\u1eed \u1ed1, v\u1ec7t kho\u00e1ng v\u00e0 g\u1ec9 nh\u1eb9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; V\u1edbi \u1ed1 kho\u00e1ng: d\u00f9ng ch\u1ea5t t\u1ea9y c\u1eb7n canxi pH nh\u1eb9, ch\u00e0 b\u1eb1ng pad kh\u00f4ng d\u1ec7t si\u00eau m\u1ecbn (ultra-fine). R\u1eeda k\u1ef9.<br \/>\n&#8211; V\u1edbi tea-staining\/g\u1ec9 nh\u1eb9: d\u00f9ng gel citric\/nitric lo\u00e3ng; th\u1eddi gian 5\u201320 ph\u00fat t\u00f9y h\u00e3ng; r\u1eeda \u00e1p l\u1ef1c v\u1eeba v\u00e0 trung h\u00f2a. Kh\u00f4ng d\u00f9ng ch\u1ea5t t\u1ea9y ch\u1ee9a clo (NaOCl).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_3_%E2%80%93_Xu_ly_moi_han_va_khuyet_tat_sau_neu_co\"><\/span>B\u01b0\u1edbc 3 \u2013 X\u1eed l\u00fd m\u1ed1i h\u00e0n v\u00e0 khuy\u1ebft t\u1eadt s\u00e2u (n\u1ebfu c\u00f3)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Heat tint\/v\u1ea3y \u00f4x\u00edt: t\u1ea9y m\u1ed1i h\u00e0n b\u1eb1ng gel chuy\u00ean d\u1ee5ng theo h\u01b0\u1edbng d\u1eabn nh\u00e0 s\u1ea3n xu\u1ea5t; trung h\u00f2a, r\u1eeda DI.<br \/>\n&#8211; V\u1ebft x\u01b0\u1edbc s\u00e2u (>20 \u00b5m): khoanh v\u00f9ng, b\u1eaft \u0111\u1ea7u m\u00e0i t\u1eeb P180\u2013P240 \u0111\u1ec3 \u201cc\u1eaft\u201d \u0111\u1ebfn \u0111\u00e1y v\u1ebft, sau \u0111\u00f3 m\u1edf r\u1ed9ng d\u1ea3i m\u00e0i v\u00e0 chuy\u1ec3n d\u1ea7n c\u1ea5p nh\u01b0 b\u00ean d\u01b0\u1edbi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_4_%E2%80%93_Mai_nham_theo_chuoi_hat_stock_removal_%E2%86%92_refinement\"><\/span>B\u01b0\u1edbc 4 \u2013 M\u00e0i nh\u00e1m theo chu\u1ed7i h\u1ea1t (stock removal \u2192 refinement)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Nguy\u00ean t\u1eafc:<br \/>\n  &#8211; M\u1ed7i c\u1ea5p nh\u00e1m ph\u1ea3i x\u00f3a ho\u00e0n to\u00e0n v\u1ebft c\u1ee7a c\u1ea5p tr\u01b0\u1edbc; \u0111\u1ed5i h\u01b0\u1edbng m\u00e0i 90\u00b0 gi\u1eefa hai c\u1ea5p \u0111\u1ec3 d\u1ec5 ki\u1ec3m so\u00e1t.<br \/>\n  &#8211; \u00c9p l\u1ef1c nh\u1eb9\u2013v\u1eeba, gi\u1eef t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, b\u00f4i tr\u01a1n nh\u1eb9 b\u1eb1ng n\u01b0\u1edbc\/x\u00e0 ph\u00f2ng lo\u00e3ng khi c\u1ea7n \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t.<br \/>\n&#8211; Chu\u1ed7i tham kh\u1ea3o cho t\u1ea5m\/chi ti\u1ebft ph\u1eb3ng:<br \/>\n  &#8211; P240 \u2192 P320 \u2192 P400 \u2192 P600 \u2192 P800 \u2192 P1200 \u2192 P1500 \u2192 P2000 ho\u1eb7c Trizact A45 \u2192 A30 \u2192 A16 \u2192 A6.<br \/>\n&#8211; Cho \u1ed1ng\/h\u1ed9p tay v\u1ecbn:<br \/>\n  &#8211; D\u00f9ng m\u00e1y \u0111ai ho\u1eb7c b\u00e1nh \u0111ai v\u1ea3i kh\u00f4ng d\u1ec7t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ea5p; gi\u1eef qu\u1ef9 \u0111\u1ea1o bao quanh \u1ed1ng \u0111\u1ec3 tr\u00e1nh \u201cv\u1ea1ch h\u1ed5\u201d.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_5_%E2%80%93_Danh_bong_buffing_den_guong_No8\"><\/span>B\u01b0\u1edbc 5 \u2013 \u0110\u00e1nh b\u00f3ng (buffing) \u0111\u1ebfn g\u01b0\u01a1ng No.8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Ti\u1ec1n \u0111\u00e1nh b\u00f3ng: b\u00e1nh sisal v\u1edbi h\u1ee3p ch\u1ea5t th\u00f4; m\u1ee5c ti\u00eau lo\u1ea1i v\u1ebft P800\u2013P1200, t\u1ea1o n\u1ec1n \u0111\u1ed3ng \u0111\u1ec1u.<br \/>\n&#8211; \u0110\u00e1nh b\u00f3ng tinh: b\u00e1nh v\u1ea3i cotton + h\u1ee3p ch\u1ea5t xanh (Cr2O3) ho\u1eb7c nh\u00f4m \u00f4x\u00edt tinh; t\u1ed1c \u0111\u1ed9 1500\u20132500 rpm, \u00e1p l\u1ef1c nh\u1eb9. L\u00e0m vi\u1ec7c theo v\u00f9ng nh\u1ecf (20\u201330 cm), lu\u00f4n s\u1ea1ch b\u00e1nh \u2013 n\u1ea1p h\u1ee3p ch\u1ea5t \u00edt nh\u01b0ng \u0111\u1ec1u.<br \/>\n&#8211; Si\u00eau ho\u00e0n thi\u1ec7n (t\u00f9y y\u00eau c\u1ea7u): pad m\u00fat + paste kim c\u01b0\u01a1ng 3\u20131 \u00b5m \u0111\u1ec3 tri\u1ec7t xo\u00e1y v\u00e0 \u0111\u1ea1t \u0111\u1ed9 s\u00e2u g\u01b0\u01a1ng.<br \/>\n&#8211; L\u00e0m s\u1ea1ch gi\u1eefa c\u00e1c b\u01b0\u1edbc: th\u1ed5i b\u1ee5i, lau IPA \u0111\u1ec3 kh\u00f4ng k\u00e9o v\u1ebft m\u00e0i v\u00e0o b\u01b0\u1edbc sau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_6_%E2%80%93_Rua_sach_thu_dong_hoa_passivation\"><\/span>B\u01b0\u1edbc 6 \u2013 R\u1eeda s\u1ea1ch, th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Sau \u0111\u00e1nh b\u00f3ng, t\u1ea9y keo\/h\u1ee3p ch\u1ea5t c\u00f2n l\u1ea1i, r\u1eeda DI.<br \/>\n&#8211; Th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM A967:<br \/>\n  &#8211; D\u00f9ng dung d\u1ecbch citric\/nitric ph\u00f9 h\u1ee3p; th\u1eddi gian ti\u1ebfp x\u00fac th\u01b0\u1eddng 10\u201330 ph\u00fat (theo TDS nh\u00e0 s\u1ea3n xu\u1ea5t).<br \/>\n  &#8211; M\u1ee5c ti\u00eau: t\u00e1i l\u1eadp l\u1edbp film Cr2O3 b\u1ec1n, t\u0103ng ch\u1ed1ng \u0103n m\u00f2n sau khi b\u1ec1 m\u1eb7t v\u1eeba b\u1ecb c\u01a1 h\u1ecdc t\u00e1c \u0111\u1ed9ng.<br \/>\n  &#8211; R\u1eeda k\u1ef9 b\u1eb1ng DI \u0111\u1ebfn pH trung t\u00ednh, s\u1ea5y kh\u00f4 b\u1eb1ng kh\u00ed s\u1ea1ch\/kh\u0103n microfiber.<br \/>\n&#8211; L\u01b0u \u00fd: V\u1edbi m\u1ed1i h\u00e0n m\u1edbi t\u1ea9y, b\u01b0\u1edbc passivation c\u00e0ng quan tr\u1ecdng \u0111\u1ec3 ng\u0103n tea-staining s\u1edbm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_7_%E2%80%93_Kiem_soat_chat_luong\"><\/span>B\u01b0\u1edbc 7 \u2013 Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Quan s\u00e1t d\u01b0\u1edbi 500\u20131000 lux \u1edf g\u00f3c xi\u00ean; kh\u00f4ng \u0111\u1ec3 l\u1ea1i \u201cv\u00e2n da cam\u201d, xo\u00e1y tr\u00f2n, qu\u1ea7ng.<br \/>\n&#8211; \u0110o Ra: m\u1ee5c ti\u00eau Ra \u2264 0,05\u20130,10 \u00b5m cho b\u1ec1 m\u1eb7t g\u01b0\u01a1ng trang tr\u00ed (tham kh\u1ea3o ti\u00eau ch\u00ed nh\u00e0 s\u1ea3n xu\u1ea5t).<br \/>\n&#8211; \u0110o gloss 60\u00b0: \u2265 900\u20131000 GU (t\u00f9y m\u00e1y). So m\u00e0u \u0111\u1ed3ng \u0111\u1ec1u khi gh\u00e9p panel.<br \/>\n&#8211; Ki\u1ec3m tra nhi\u1ec5m s\u1eaft: test gi\u1ecdt n\u01b0\u1edbc + theo d\u00f5i 24\u201348 gi\u1edd; kh\u00f4ng c\u00f3 \u1ed1 n\u00e2u m\u1edbi.<\/p>\n<h2 id=\"toc-3-thong-so-ky-thuat-va-tieu-chi-hoan-thien\"><span class=\"ez-toc-section\" id=\"Thong_so_ky_thuat_va_tieu_chi_hoan_thien\"><\/span>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau ch\u00ed ho\u00e0n thi\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; C\u1ea5p ho\u00e0n thi\u1ec7n:<br \/>\n  &#8211; No.4 (satin) th\u01b0\u1eddng Ra 0,3\u20130,6 \u00b5m; \u0111\u1ec3 l\u00ean No.8 c\u1ea7n \u0111i \u0111\u1ee7 chu\u1ed7i h\u1ea1t v\u00e0 buffing tinh.<br \/>\n  &#8211; No.8 (mirror): Ra \u0111i\u1ec3n h\u00ecnh 0,05\u20130,1 \u00b5m; kh\u00f4ng c\u00f3 \u201cgrain direction\u201d.<br \/>\n&#8211; Nhi\u1ec7t v\u00e0 bi\u1ebfn m\u00e0u:<br \/>\n  &#8211; Gi\u1eef nhi\u1ec7t b\u1ec1 m\u1eb7t th\u1ea5p; n\u1ebfu xu\u1ea5t hi\u1ec7n \u00e1m m\u00e0u, d\u1eebng v\u00e0 l\u00e0m m\u00e1t, lau s\u1ea1ch h\u1ee3p ch\u1ea5t d\u01b0.<br \/>\n&#8211; Dung sai h\u00ecnh h\u1ecdc:<br \/>\n  &#8211; V\u1edbi t\u1ea5m m\u1ecfng \u22641,0 mm, tr\u00e1nh \u00e9p l\u1ef1c cao g\u00e2y \u201cd\u1ee3n s\u00f3ng\u201d; d\u00f9ng pad m\u1ec1m v\u00e0 h\u00e0nh tr\u00ecnh r\u1ed9ng.<\/p>\n<h2 id=\"toc-4-nang-suat-chi-phi-va-lap-ke-hoach\"><span class=\"ez-toc-section\" id=\"Nang_suat_chi_phi_va_lap_ke_hoach\"><\/span>N\u0103ng su\u1ea5t, chi ph\u00ed v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; N\u0103ng su\u1ea5t tham kh\u1ea3o (k\u1ef9 thu\u1eadt vi\u00ean l\u00e0nh ngh\u1ec1, di\u1ec7n ph\u1eb3ng):<br \/>\n  &#8211; M\u00e0i ti\u1ec1n x\u1eed l\u00fd P240\u2192P800: 1,0\u20131,5 m\u00b2\/gi\u1edd.<br \/>\n  &#8211; \u0110\u00e1nh b\u00f3ng tinh \u0111\u1ebfn No.8: 0,5\u20131,0 m\u00b2\/gi\u1edd.<br \/>\n&#8211; Hao ph\u00ed v\u1eadt t\u01b0:<br \/>\n  &#8211; Nh\u00e1m: 1 \u0111\u0129a P320\u2013P800\/1\u20132 m\u00b2 t\u00f9y tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t.<br \/>\n  &#8211; H\u1ee3p ch\u1ea5t: 50\u2013120 g\/m\u00b2 cho \u0111\u1ee7 chu\u1ed7i; b\u00e1nh v\u1ea3i thay khi nhi\u1ec5m b\u1ea9n\/\u0111\u00e1nh l\u00ec.<br \/>\n&#8211; Y\u1ebfu t\u1ed1 \u0111\u1ed9i chi ph\u00ed:<br \/>\n  &#8211; V\u1ebft x\u01b0\u1edbc s\u00e2u, nhi\u1ec1u m\u1ed1i h\u00e0n; kh\u00f4ng gian ch\u1eadt; y\u00eau c\u1ea7u Ra th\u1ea5p b\u1ea5t th\u01b0\u1eddng; thi c\u00f4ng t\u1ea1i ch\u1ed7 gi\u1edd h\u00e0nh ch\u00ednh (\u1ed3n\/b\u1ee5i).<\/p>\n<h2 id=\"toc-5-loi-thuong-gap-va-cach-khac-phuc\"><span class=\"ez-toc-section\" id=\"Loi_thuong_gap_va_cach_khac_phuc\"><\/span>L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; B\u1ecf qua c\u1ea5p nh\u00e1m ho\u1eb7c chuy\u1ec3n c\u1ea5p qu\u00e1 nhanh:<br \/>\n  &#8211; Tri\u1ec7u ch\u1ee9ng: qu\u1ea7ng xo\u00e1y dai d\u1eb3ng. Kh\u1eafc ph\u1ee5c: l\u00f9i 1\u20132 c\u1ea5p, l\u00e0m \u0111\u1ee7 \u0111\u1ebfn khi v\u1ebft tr\u01b0\u1edbc bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n.<br \/>\n&#8211; Nhi\u1ec5m b\u1ea9n s\u1eaft:<br \/>\n  &#8211; Tri\u1ec7u ch\u1ee9ng: \u1ed1 n\u00e2u t\u00e1i ph\u00e1t. Kh\u1eafc ph\u1ee5c: t\u1ea9y \u2013 passivation l\u1ea1i; t\u00e1ch \u0111\u1ed3 ngh\u1ec1 inox v\u00e0 th\u00e9p \u0111en.<br \/>\n&#8211; D\u00f9ng ch\u1ea5t t\u1ea9y ch\u1ee9a clo:<br \/>\n  &#8211; G\u00e2y r\u1ed7\/pitting. Kh\u1eafc ph\u1ee5c: d\u1eebng ngay, r\u1eeda k\u1ef9, passivation citric; thay quy tr\u00ecnh v\u1ec7 sinh.<br \/>\n&#8211; Qu\u00e1 nhi\u1ec7t khi buffing:<br \/>\n  &#8211; T\u1ea1o \u201cda cam\u201d. Kh\u1eafc ph\u1ee5c: gi\u1ea3m rpm, \u00e1p l\u1ef1c; l\u00e0m m\u00e1t; h\u1ee3p ch\u1ea5t m\u1ecbn h\u01a1n, \u00edt h\u01a1n.<\/p>\n<h2 id=\"toc-6-tinh-huong-dac-biet\"><span class=\"ez-toc-section\" id=\"Tinh_huong_dac_biet\"><\/span>T\u00ecnh hu\u1ed1ng \u0111\u1eb7c bi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Ong_tay_vinkhung_hop\"><\/span>\u1ed0ng tay v\u1ecbn\/khung h\u1ed9p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; D\u00f9ng m\u00e1y \u0111ai\/\u0111ai nh\u00e1m b\u1ea3n h\u1eb9p \u00f4m theo chu vi; chu\u1ed7i P320\u2192P600\u2192A16\u2192A6, sau \u0111\u00f3 b\u00e1nh v\u1ea3i tr\u00f2n + h\u1ee3p ch\u1ea5t xanh; xoay \u1ed1ng trong khi \u0111\u00e1nh \u0111\u1ec3 tr\u00e1nh v\u1ec7t d\u1eebng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chuyen_No4_len_No8\"><\/span>Chuy\u1ec3n No.4 l\u00ean No.8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; B\u1eaft \u0111\u1ea7u t\u1eeb P800\/P1200 t\u00f9y v\u1ebft; \u0111\u1ea3m b\u1ea3o x\u00f3a \u201c\u0111\u01b0\u1eddng x\u01b0\u1edbc c\u00f3 h\u01b0\u1edbng\u201d tr\u01b0\u1edbc khi buffing; d\u00f9ng paste kim c\u01b0\u01a1ng \u0111\u1ec3 tri\u1ec7t v\u00e2n c\u00f2n l\u1ea1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khi_nen_chon_dien_danh_bong_electropolishing\"><\/span>Khi n\u00ean ch\u1ecdn \u0111i\u1ec7n \u0111\u00e1nh b\u00f3ng (electropolishing)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Chi ti\u1ebft ph\u1ee9c t\u1ea1p (l\u1ed7, r\u00e3nh), y\u00eau c\u1ea7u v\u1ec7 sinh CIP, ch\u1ed1ng b\u00e1m b\u1ea9n t\u1ed1i \u0111a.<br \/>\n&#8211; C\u1ea7n Ra r\u1ea5t th\u1ea5p v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean di\u1ec7n r\u1ed9ng\/bi\u00ean d\u1ea1ng ph\u1ee9c t\u1ea1p, ho\u1eb7c h\u1eadu h\u00e0n d\u00e0y \u0111\u1eb7c.<br \/>\n&#8211; L\u01b0u \u00fd: c\u1ea7n nh\u00e0 cung c\u1ea5p c\u00f3 b\u1ec3 \u0111i\u1ec7n ph\u00e2n v\u00e0 ki\u1ec3m so\u00e1t h\u00f3a ch\u1ea5t chuy\u00ean nghi\u1ec7p; v\u1eabn c\u1ea7n t\u1ea9y d\u1ea7u, t\u1ea9y v\u1ea3y h\u00e0n tr\u01b0\u1edbc.<\/p>\n<h2 id=\"toc-7-bao-duong-sau-phuc-hoi-de-giu-guong-ben-dep\"><span class=\"ez-toc-section\" id=\"Bao_duong_sau_phuc_hoi_de_giu_guong_ben_dep\"><\/span>B\u1ea3o d\u01b0\u1ee1ng sau ph\u1ee5c h\u1ed3i \u0111\u1ec3 gi\u1eef g\u01b0\u01a1ng b\u1ec1n \u0111\u1eb9p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3:<br \/>\n  &#8211; Lau b\u1eb1ng kh\u0103n microfiber + dung d\u1ecbch pH trung t\u00ednh; tr\u00e1nh b\u1ed9t m\u00e0i, tr\u00e1nh clo.<br \/>\n&#8211; B\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t:<br \/>\n  &#8211; C\u00f3 th\u1ec3 ph\u1ee7 l\u1edbp sealant g\u1ed1c polymer\/s\u00e1p chuy\u00ean cho kim lo\u1ea1i \u0111\u1ec3 gi\u1ea3m b\u00e1m v\u00e2n tay.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng bi\u1ec3n\/nh\u00e0 h\u1ed3 b\u01a1i:<br \/>\n  &#8211; T\u0103ng t\u1ea7n su\u1ea5t r\u1eeda n\u01b0\u1edbc ng\u1ecdt; ch\u1ecdn 316\/316L cho thay th\u1ebf m\u1edbi; ki\u1ec3m tra tea-staining h\u00e0ng th\u00e1ng.<\/p>\n<h2 id=\"toc-8-an-toan-va-moi-truong\"><span class=\"ez-toc-section\" id=\"An_toan_va_moi_truong\"><\/span>An to\u00e0n v\u00e0 m\u00f4i tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00f3a ch\u1ea5t axit c\u1ea7n khu v\u1ef1c th\u00f4ng gi\u00f3, khay h\u1ee9ng, trung h\u00f2a tr\u01b0\u1edbc x\u1ea3 (pH 6\u20139).<br \/>\n&#8211; Thu gom b\u00f9n m\u00e0i, gi\u1ebb lau c\u00f3 h\u00f3a ch\u1ea5t theo quy \u0111\u1ecbnh ch\u1ea5t th\u1ea3i nguy h\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng.<br \/>\n&#8211; Hu\u1ea5n luy\u1ec7n PPE v\u00e0 quy tr\u00ecnh \u1ee9ng c\u1ee9u tr\u00e0n \u0111\u1ed5 cho th\u1ee3 v\u1eadn h\u00e0nh.<\/p>\n<h2 id=\"toc-9-tai-lieu-tham-khao\"><span class=\"ez-toc-section\" id=\"Tai_lieu_tham_khao\"><\/span>T\u00e0i li\u1ec7u tham kh\u1ea3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; ASTM A967\/A967M \u2013 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts.<br \/>\n&#8211; ASTM A380\/A380M \u2013 Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts.<br \/>\n&#8211; Nickel Institute \u2013 Cleaning and Descaling Stainless Steels; Guidelines for Corrosion Prevention in Marine Environments.<br \/>\n&#8211; British Stainless Steel Association (BSSA) \u2013 Finishes for Stainless Steel; Care and Maintenance of Stainless Steel.<br \/>\n&#8211; SSINA \u2013 Designer Handbook, Finishes for Stainless Steel.<\/p>\n<h2 id=\"toc-10-ket-luan\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 ph\u1ee5c h\u1ed3i \u0111\u1ed9 b\u00f3ng g\u01b0\u01a1ng No.8 cho Inox c\u0169, m\u1edd m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n, h\u00e3y tu\u00e2n th\u1ee7: ch\u1ea9n \u0111o\u00e1n \u0111\u00fang t\u00ecnh tr\u1ea1ng; m\u00e0i theo chu\u1ed7i h\u1ea1t \u0111\u1ea7y \u0111\u1ee7; \u0111\u00e1nh b\u00f3ng c\u00f3 ki\u1ec3m so\u00e1t nhi\u1ec7t; th\u1ee5 \u0111\u1ed9ng h\u00f3a chu\u1ea9n ASTM; v\u00e0 \u0111o ki\u1ec3m Ra\/Gloss tr\u01b0\u1edbc b\u00e0n giao. L\u00e0m \u0111\u00fang quy tr\u00ecnh gi\u00fap b\u1ec1 m\u1eb7t \u0111\u1ea1t g\u01b0\u01a1ng s\u00e2u, \u0111\u1ed3ng nh\u1ea5t, ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t v\u00e0 tu\u1ed5i th\u1ecd cao, gi\u1ea3m r\u1ee7i ro b\u1ea3o h\u00e0nh.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n quy tr\u00ecnh ph\u00f9 h\u1ee3p v\u1eadt li\u1ec7u, hi\u1ec7n tr\u01b0\u1eddng v\u00e0 b\u00e1o gi\u00e1 v\u1eadt t\u01b0 \u2013 thi c\u00f4ng? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 gi\u00e1 t\u1ed1t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ph\u1ee5c h\u1ed3i \u0111\u1ed9 b\u00f3ng g\u01b0\u01a1ng Inox: quy tr\u00ecnh m\u00e0i\u2013\u0111\u00e1nh b\u00f3ng\u2013th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM, ti\u00eau ch\u00ed Ra\/Gloss, v\u1eadt t\u01b0, an to\u00e0n v\u00e0 l\u1ed7i th\u01b0\u1eddng g\u1eb7p cho x\u01b0\u1edfng, c\u00f4ng tr\u00ecnh.<\/p>\n","protected":false},"author":7,"featured_media":1024,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=2462"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2462\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1024"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}