{"id":1826,"date":"2026-03-26T00:35:04","date_gmt":"2026-03-25T17:35:04","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/"},"modified":"2026-03-26T00:35:04","modified_gmt":"2026-03-25T17:35:04","slug":"loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/","title":{"rendered":"L\u1ed1c tr\u00f2n \u1ed1ng v\u00e0 t\u1ea5m Inox cho b\u1ed3n, b\u1ec3: m\u00e1y, th\u00f4ng s\u1ed1, quy tr\u00ecnh"},"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;1826&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;L\u1ed1c tr\u00f2n \u1ed1ng v\u00e0 t\u1ea5m Inox cho b\u1ed3n, b\u1ec3: m\u00e1y, th\u00f4ng s\u1ed1, quy tr\u00ecnh&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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Tong_quan_loc_tam_thanh_ong_va_loc_ong_tron\" >T\u1ed5ng quan: l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng v\u00e0 l\u1ed1c \u1ed1ng tr\u00f2n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Loc_tam_Inox_thanh_ong_shell_cho_vo_bon\" >L\u1ed1c t\u1ea5m Inox th\u00e0nh \u1ed1ng (shell) cho v\u1ecf b\u1ed3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Loc_onghinh_section_rolling_de_tao_vong_gan_co_ong\" >L\u1ed1c \u1ed1ng\/h\u00ecnh (section rolling) \u0111\u1ec3 t\u1ea1o v\u00f2ng g\u00e2n, c\u1ed5 \u1ed1ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Vat_lieu_va_do_day_thong_dung_cho_bonbe_Inox\" >V\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y th\u00f4ng d\u1ee5ng cho b\u1ed3n\/b\u1ec3 Inox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#May_loc_va_do_ga_chon_dung_de_%E2%80%9Cdung_ngay_tu_dau%E2%80%9D\" >M\u00e1y l\u1ed1c v\u00e0 \u0111\u1ed3 g\u00e1: ch\u1ecdn \u0111\u00fang \u0111\u1ec3 \u201c\u0111\u00fang ngay t\u1eeb \u0111\u1ea7u\u201d<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Kieu_may_loc_tam\" >Ki\u1ec3u m\u00e1y l\u1ed1c t\u1ea5m<\/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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Duong_kinh_toi_thieu_va_kha_nang_loc\" >\u0110\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u v\u00e0 kh\u1ea3 n\u0103ng l\u1ed1c<\/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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Yeu_cau_be_mat_con_lan_va_boi_tron\" >Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t con l\u0103n v\u00e0 b\u00f4i tr\u01a1n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Tinh_toan_chieu_dai_trien_khai_va_bu_dan_hoi\" >T\u00ednh to\u00e1n chi\u1ec1u d\u00e0i tri\u1ec3n khai v\u00e0 b\u00f9 \u0111\u00e0n h\u1ed3i<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Chieu_dai_trien_khai_phoi\" >Chi\u1ec1u d\u00e0i tri\u1ec3n khai ph\u00f4i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Bu_dan_hoi_springback_cua_Inox\" >B\u00f9 \u0111\u00e0n h\u1ed3i (springback) c\u1ee7a Inox<\/a><\/li><\/ul><\/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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Quy_trinh_loc_tam_thanh_ong_cho_vo_bon_tung_buoc\" >Quy tr\u00ecnh l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng cho v\u1ecf b\u1ed3n: t\u1eebng b\u01b0\u1edbc<\/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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Quy_trinh_loc_ong_tron_lam_vong_ganbich\" >Quy tr\u00ecnh l\u1ed1c \u1ed1ng tr\u00f2n l\u00e0m v\u00f2ng g\u00e2n\/b\u00edch<\/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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Kiem_soat_khuyet_tat_thuong_gap\" >Ki\u1ec3m so\u00e1t khuy\u1ebft t\u1eadt th\u01b0\u1eddng g\u1eb7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Yeu_cau_chat_luong_NDT_va_thu_kinap\" >Y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng, NDT v\u00e0 th\u1eed k\u00edn\/\u00e1p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#An_toan_khi_van_hanh_may_loc\" >An to\u00e0n khi v\u1eadn h\u00e0nh m\u00e1y l\u1ed1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Vi_du_tinh_nhanh_vo_bon_D_3000_mm_t_6_mm_304L\" >V\u00ed d\u1ee5 t\u00ednh nhanh: v\u1ecf b\u1ed3n D 3000 mm, t 6 mm, 304L<\/a><\/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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#Meo_nhanh_de_dat_do_tron%E2%80%93do_kin_cao\" >M\u1eb9o nhanh \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 tr\u00f2n\u2013\u0111\u1ed9 k\u00edn cao<\/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\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#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-21\" href=\"https:\/\/inoxcuongthinh.com\/loc-tron-ong-va-tam-inox-cho-bon-be-may-thong-so-quy-trinh\/#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-tong-quan-loc-tam-thanh-ong-va-loc-ong-tron\">T\u1ed5ng quan: l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng v\u00e0 l\u1ed1c \u1ed1ng tr\u00f2n<\/a><\/li>\n<li><a href=\"#toc-1-vat-lieu-va-do-day-thong-dung-cho-bonbe-inox\">V\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y th\u00f4ng d\u1ee5ng cho b\u1ed3n\/b\u1ec3 Inox<\/a><\/li>\n<li><a href=\"#toc-2-may-loc-va-do-ga-chon-dung-de-dung-ngay-tu-dau\">M\u00e1y l\u1ed1c v\u00e0 \u0111\u1ed3 g\u00e1: ch\u1ecdn \u0111\u00fang \u0111\u1ec3 \u201c\u0111\u00fang ngay t\u1eeb \u0111\u1ea7u\u201d<\/a><\/li>\n<li><a href=\"#toc-3-tinh-toan-chieu-dai-trien-khai-va-bu-dan-hoi\">T\u00ednh to\u00e1n chi\u1ec1u d\u00e0i tri\u1ec3n khai v\u00e0 b\u00f9 \u0111\u00e0n h\u1ed3i<\/a><\/li>\n<li><a href=\"#toc-4-quy-trinh-loc-tam-thanh-ong-cho-vo-bon-tung-buoc\">Quy tr\u00ecnh l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng cho v\u1ecf b\u1ed3n: t\u1eebng b\u01b0\u1edbc<\/a><\/li>\n<li><a href=\"#toc-5-quy-trinh-loc-ong-tron-lam-vong-ganbich\">Quy tr\u00ecnh l\u1ed1c \u1ed1ng tr\u00f2n l\u00e0m v\u00f2ng g\u00e2n\/b\u00edch<\/a><\/li>\n<li><a href=\"#toc-6-kiem-soat-khuyet-tat-thuong-gap\">Ki\u1ec3m so\u00e1t khuy\u1ebft t\u1eadt th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-7-yeu-cau-chat-luong-ndt-va-thu-kinap\">Y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng, NDT v\u00e0 th\u1eed k\u00edn\/\u00e1p<\/a><\/li>\n<li><a href=\"#toc-8-an-toan-khi-van-hanh-may-loc\">An to\u00e0n khi v\u1eadn h\u00e0nh m\u00e1y l\u1ed1c<\/a><\/li>\n<li><a href=\"#toc-9-vi-du-tinh-nhanh-vo-bon-d-3000-mm-t-6-mm-304l\">V\u00ed d\u1ee5 t\u00ednh nhanh: v\u1ecf b\u1ed3n D 3000 mm, t 6 mm, 304L<\/a><\/li>\n<li><a href=\"#toc-10-meo-nhanh-de-dat-do-trondo-kin-cao\">M\u1eb9o nhanh \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 tr\u00f2n\u2013\u0111\u1ed9 k\u00edn cao<\/a><\/li>\n<li><a href=\"#toc-11-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Gia c\u00f4ng l\u1ed1c tr\u00f2n \u1ed1ng v\u00e0 t\u1ea5m Inox l\u00e0 m\u1eaft x\u00edch quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 tr\u00f2n, \u0111\u1ed9 k\u00edn v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a b\u1ed3n, b\u1ec3 c\u00f4ng nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p m\u1ed9t h\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh to\u00e0n di\u1ec7n: t\u1eeb ch\u1ecdn m\u00e1y l\u1ed1c, th\u00f4ng s\u1ed1 b\u00e1n k\u00ednh\u2013\u0111\u1ed9 d\u00e0y, t\u00ednh chi\u1ec1u d\u00e0i tri\u1ec3n khai, quy tr\u00ecnh l\u1ed1c\u2013h\u00e0n gh\u00e9p \u0111\u1ebfn ki\u1ec3m tra, x\u1eed l\u00fd b\u1ec1 m\u1eb7t theo chu\u1ea9n c\u00f4ng nghi\u1ec7p. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t n\u1ed9i dung tr\u1ecdng y\u1ebfu trong c\u1ea9m nang gia c\u00f4ng Inox (c\u1eaft, ch\u1ea5n, d\u1eadp, l\u1ed1c), nh\u01b0ng \u0111\u1ee7 \u0111\u1ed9c l\u1eadp \u0111\u1ec3 b\u1ea1n \u00e1p d\u1ee5ng ngay t\u1ea1i x\u01b0\u1edfng.<\/p>\n<h2 id=\"toc-0-tong-quan-loc-tam-thanh-ong-va-loc-ong-tron\"><span class=\"ez-toc-section\" id=\"Tong_quan_loc_tam_thanh_ong_va_loc_ong_tron\"><\/span>T\u1ed5ng quan: l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng v\u00e0 l\u1ed1c \u1ed1ng tr\u00f2n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Loc_tam_Inox_thanh_ong_shell_cho_vo_bon\"><\/span>L\u1ed1c t\u1ea5m Inox th\u00e0nh \u1ed1ng (shell) cho v\u1ecf b\u1ed3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; D\u00f9ng m\u00e1y l\u1ed1c t\u1ea5m 3 tr\u1ee5c ho\u1eb7c 4 tr\u1ee5c \u0111\u1ec3 cu\u1ed1n m\u1ed9t ho\u1eb7c nhi\u1ec1u \u201ckh\u00f3a v\u1ecf\u201d (shell course) t\u1eeb t\u1ea5m ph\u1eb3ng th\u00e0nh \u1ed1ng tr\u00f2n, ph\u1ee5c v\u1ee5 b\u1ed3n\/b\u1ec3, silo, \u1ed1ng kh\u00f3i, th\u00e1p h\u1ea5p th\u1ee5.<br \/>\n&#8211; Y\u00eau c\u1ea7u ch\u00ednh: b\u00e1n k\u00ednh \u0111\u00fang, \u0111\u1ed9 tr\u00f2n cao, hai m\u00e9p song song, b\u1ec1 m\u1eb7t kh\u00f4ng x\u01b0\u1edbc, ph\u1ea7n ph\u1eb3ng \u0111\u1ea7u t\u1ea5m (flat) t\u1ed1i thi\u1ec3u nh\u1edd pre-bending t\u1ed1t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Loc_onghinh_section_rolling_de_tao_vong_gan_co_ong\"><\/span>L\u1ed1c \u1ed1ng\/h\u00ecnh (section rolling) \u0111\u1ec3 t\u1ea1o v\u00f2ng g\u00e2n, c\u1ed5 \u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; D\u00f9ng m\u00e1y l\u1ed1c h\u00ecnh (section roll) \u0111\u1ec3 u\u1ed1n tr\u00f2n \u1ed1ng h\u00e0n\/\u0111\u00fac, la z\u0103ng, V\/U\/T, flat bar th\u00e0nh v\u00f2ng t\u0103ng c\u1ee9ng (stiffening ring), b\u00edch, coil trao \u0111\u1ed5i nhi\u1ec7t.<br \/>\n&#8211; Y\u00eau c\u1ea7u ch\u00ednh: h\u1ea1n ch\u1ebf b\u1eb9p (ovalization), n\u1ebfp nh\u0103n s\u00f3ng, ki\u1ec3m so\u00e1t \u0111\u01b0\u1eddng k\u00ednh trong khi gi\u1eef ti\u1ebft di\u1ec7n.<\/p>\n<h2 id=\"toc-1-vat-lieu-va-do-day-thong-dung-cho-bonbe-inox\"><span class=\"ez-toc-section\" id=\"Vat_lieu_va_do_day_thong_dung_cho_bonbe_Inox\"><\/span>V\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y th\u00f4ng d\u1ee5ng cho b\u1ed3n\/b\u1ec3 Inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Inox 304\/304L: \u0111a d\u1ee5ng, ch\u1ecbu \u0103n m\u00f2n t\u1ed1t trong \u0111a s\u1ed1 m\u00f4i tr\u01b0\u1eddng C\u00f4ng nghi\u1ec7p\u2013Th\u1ef1c ph\u1ea9m. 304L \u01b0u th\u1ebf ch\u1ed1ng nh\u1ea1y c\u1ea3m h\u1ea1t ranh gi\u1edbi khi h\u00e0n.<br \/>\n&#8211; Inox 316\/316L: d\u00f9ng cho n\u01b0\u1edbc bi\u1ec3n, h\u00f3a ch\u1ea5t Cl- th\u1ea5p \u0111\u1ebfn trung b\u00ecnh.<br \/>\n&#8211; Inox 201: kinh t\u1ebf, ch\u1ec9 n\u00ean d\u00f9ng m\u00f4i tr\u01b0\u1eddng kh\u00f4, \u00edt \u0103n m\u00f2n.<br \/>\n&#8211; Duplex 2205: \u00e1p l\u1ef1c cao, \u0103n m\u00f2n r\u1ed7\/clorua.<br \/>\n&#8211; \u0110\u1ed9 d\u00e0y t\u1ea5m th\u01b0\u1eddng: 2\u201312 mm cho b\u1ed3n m\u1ecfng; 12\u201330 mm cho b\u1ed3n \u00e1p l\u1ef1c\/l\u1edbn. \u1ed0ng ch\u1ebf t\u1ea1o: DN50\u2013DN1200, SCH t\u00f9y thi\u1ebft k\u1ebf.<br \/>\n&#8211; Ch\u1ecdn m\u00e1c v\u00e0 chi\u1ec1u d\u00e0y theo t\u1ea3i tr\u1ecdng, \u00e1p l\u1ef1c v\u00e0 m\u00f4i tr\u01b0\u1eddng, tu\u00e2n chu\u1ea9n thi\u1ebft k\u1ebf t\u01b0\u01a1ng \u1ee9ng (v\u00ed d\u1ee5 ASME Section VIII, EN 13445).<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o: Nickel Institute \u2013 Fabrication of Stainless Steel; ASME Sec. VIII Div.1.<\/p>\n<h2 id=\"toc-2-may-loc-va-do-ga-chon-dung-de-dung-ngay-tu-dau\"><span class=\"ez-toc-section\" id=\"May_loc_va_do_ga_chon_dung_de_%E2%80%9Cdung_ngay_tu_dau%E2%80%9D\"><\/span>M\u00e1y l\u1ed1c v\u00e0 \u0111\u1ed3 g\u00e1: ch\u1ecdn \u0111\u00fang \u0111\u1ec3 \u201c\u0111\u00fang ngay t\u1eeb \u0111\u1ea7u\u201d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Kieu_may_loc_tam\"><\/span>Ki\u1ec3u m\u00e1y l\u1ed1c t\u1ea5m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; 3 tr\u1ee5c ki\u1ec3u initial pinch: kinh t\u1ebf, c\u1ea7n \u0111\u1ea3o \u0111\u1ea7u t\u1ea5m \u0111\u1ec3 pre-bending t\u1eebng c\u1ea1nh.<br \/>\n&#8211; 3 tr\u1ee5c ki\u1ec3u pyramid\/bi\u1ebfn h\u00ecnh (variable-geometry): ph\u00f9 h\u1ee3p t\u1ea5m d\u00e0y, b\u00e1n k\u00ednh l\u1edbn.<br \/>\n&#8211; 4 tr\u1ee5c: pre-bending hai \u0111\u1ea7u kh\u00f4ng c\u1ea7n \u0111\u1ea3o ph\u00f4i, ch\u00ednh x\u00e1c cao, l\u1ed1c c\u00f4n thu\u1eadn ti\u1ec7n, t\u1ed1i \u01b0u cho x\u01b0\u1edfng s\u1ea3n l\u01b0\u1ee3ng l\u1edbn.<br \/>\n&#8211; M\u00e1y l\u1ed1c h\u00ecnh (section roll) 3 tr\u1ee5c: cho \u1ed1ng, h\u1ed9p, V\/U\/T, thanh d\u1eb9t.<\/p>\n<p>Ngu\u1ed3n: Faccin, Davi \u2013 t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt m\u00e1y l\u1ed1c t\u1ea5m 3\/4 tr\u1ee5c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Duong_kinh_toi_thieu_va_kha_nang_loc\"><\/span>\u0110\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u v\u00e0 kh\u1ea3 n\u0103ng l\u1ed1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Quy t\u1eafc nhanh v\u1edbi Inox (do \u0111\u00e0n h\u1ed3i cao h\u01a1n th\u00e9p carbon):<br \/>\n  &#8211; Dmin \u2248 1.2\u20131.4 \u00d7 \u0111\u01b0\u1eddng k\u00ednh tr\u1ee5c tr\u00ean (top roll) v\u1edbi m\u00e1y 4 tr\u1ee5c; 1.3\u20131.5 \u00d7 v\u1edbi m\u00e1y 3 tr\u1ee5c.<br \/>\n  &#8211; V\u1edbi c\u00f9ng m\u00e1y, Inox th\u01b0\u1eddng c\u1ea7n b\u00e1n k\u00ednh l\u1edbn h\u01a1n 10\u201320% so v\u1edbi th\u00e9p carbon \u1edf c\u00f9ng chi\u1ec1u d\u00e0y.<br \/>\n&#8211; Ph\u1ea7n \u201cph\u1eb3ng\u201d t\u1ea1i hai \u0111\u1ea7u sau pre-bending:<br \/>\n  &#8211; M\u00e1y 4 tr\u1ee5c: ~0.5\u20130.7 \u00d7 t m\u1ed7i \u0111\u1ea7u; m\u00e1y 3 tr\u1ee5c: ~0.8\u20131.2 \u00d7 t.<br \/>\n&#8211; L\u1ed1c c\u00f4n: y\u00eau c\u1ea7u m\u00e1y 4 tr\u1ee5c ho\u1eb7c 3 tr\u1ee5c c\u00f3 con l\u0103n ch\u1ec9nh c\u00f4n v\u00e0 ch\u1eb7n m\u00e9p; n\u00ean d\u00f9ng con l\u0103n \u00e9p c\u1ea1nh (lateral rolls) \u0111\u1ec3 ch\u1ed1ng tr\u01b0\u1ee3t.<\/p>\n<p>L\u01b0u \u00fd: Lu\u00f4n \u0111\u1ed1i chi\u1ebfu b\u1ea3ng n\u0103ng l\u1ef1c c\u1ee5 th\u1ec3 c\u1ee7a m\u00e1y (k\u00e8m v\u1eadt li\u1ec7u) t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Yeu_cau_be_mat_con_lan_va_boi_tron\"><\/span>Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t con l\u0103n v\u00e0 b\u00f4i tr\u01a1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Con l\u0103n \u0111\u00e1nh b\u00f3ng (Ra \u2264 1.6 \u00b5m), c\u1ee9ng \u0111\u1ee7 nh\u01b0ng kh\u00f4ng g\u00e2y \u201cgalling\u201d v\u1edbi Inox.<br \/>\n&#8211; D\u00f9ng phim PE m\u1ecfng ho\u1eb7c gi\u1ea5y interleaving cho b\u1ec1 m\u1eb7t 2B\/BA; b\u00f4i tr\u01a1n trung t\u00ednh (kh\u00f4ng l\u01b0u hu\u1ef3nh\/clo) d\u1ea1ng nh\u0169 n\u01b0\u1edbc.<\/p>\n<p>Ngu\u1ed3n: Nickel Institute \u2013 Galling and Lubrication in Stainless Steel Forming.<\/p>\n<h2 id=\"toc-3-tinh-toan-chieu-dai-trien-khai-va-bu-dan-hoi\"><span class=\"ez-toc-section\" id=\"Tinh_toan_chieu_dai_trien_khai_va_bu_dan_hoi\"><\/span>T\u00ednh to\u00e1n chi\u1ec1u d\u00e0i tri\u1ec3n khai v\u00e0 b\u00f9 \u0111\u00e0n h\u1ed3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Chieu_dai_trien_khai_phoi\"><\/span>Chi\u1ec1u d\u00e0i tri\u1ec3n khai ph\u00f4i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; L = \u03c0 \u00d7 Dm \u2212 \u0394, trong \u0111\u00f3:<br \/>\n  &#8211; Dm: \u0111\u01b0\u1eddng k\u00ednh trung b\u00ecnh (th\u01b0\u1eddng l\u1ea5y theo \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i tr\u1eeb 1 \u00d7 t \u0111\u1ed1i v\u1edbi h\u00e0n m\u00e9p th\u1eb3ng).<br \/>\n  &#8211; \u0394: b\u00f9 co ng\u00f3t h\u00e0n v\u00e0 khe h\u1edf gh\u00e9p (root gap).<br \/>\n&#8211; G\u1ee3i \u00fd \u0394 cho h\u00e0n d\u1ecdc m\u1ed9t l\u1edbp v\u00e1t V \u0111\u01a1n:<br \/>\n  &#8211; Root gap g = 1.5\u20133.0 mm (t 4\u201310 mm).<br \/>\n  &#8211; Co ng\u00f3t v\u00f2ng: 0.5\u20131.5 mm t\u00f9y quy tr\u00ecnh v\u00e0 s\u1ed1 l\u1edbp; v\u1edbi b\u1ed3n m\u1ecfng (\u22646 mm), th\u01b0\u1eddng \u0394 \u2248 g + 1 mm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bu_dan_hoi_springback_cua_Inox\"><\/span>B\u00f9 \u0111\u00e0n h\u1ed3i (springback) c\u1ee7a Inox<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Inox c\u00f3 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i th\u1ea5p h\u01a1n v\u00e0 ch\u1ea3y cao h\u01a1n th\u00e9p carbon \u2192 \u0111\u00e0n h\u1ed3i l\u1edbn h\u01a1n.<br \/>\n&#8211; H\u1ec7 s\u1ed1 b\u00f9 \u0111\u00e0n h\u1ed3i tham kh\u1ea3o khi c\u00e0i \u0111\u1eb7t b\u00e1n k\u00ednh m\u00e1y:<br \/>\n  &#8211; t 2\u20134 mm: \u0111\u1eb7t b\u00e1n k\u00ednh m\u00e1y nh\u1ecf h\u01a1n 5\u20138% so v\u1edbi b\u00e1n k\u00ednh m\u1ee5c ti\u00eau.<br \/>\n  &#8211; t 5\u201310 mm: nh\u1ecf h\u01a1n 8\u201312%.<br \/>\n  &#8211; t >10 mm: nh\u1ecf h\u01a1n 10\u201315%.<br \/>\n&#8211; Ki\u1ec3m tra th\u1ef1c t\u1ebf l\u00f4 v\u1eadt li\u1ec7u \u0111\u1ec3 tinh ch\u1ec9nh v\u00ec gi\u1edbi h\u1ea1n ch\u1ea3y (Rp0.2) t\u1eebng m\u00e1c\/nh\u00e0 c\u00e1n kh\u00e1c nhau.<\/p>\n<p>Ngu\u1ed3n: Faccin\/Davi \u2013 h\u01b0\u1edbng d\u1eabn b\u00f9 \u0111\u00e0n h\u1ed3i; ISSF \u2013 Forming of Stainless Steel.<\/p>\n<h2 id=\"toc-4-quy-trinh-loc-tam-thanh-ong-cho-vo-bon-tung-buoc\"><span class=\"ez-toc-section\" id=\"Quy_trinh_loc_tam_thanh_ong_cho_vo_bon_tung_buoc\"><\/span>Quy tr\u00ecnh l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng cho v\u1ecf b\u1ed3n: t\u1eebng b\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1) Chu\u1ea9n b\u1ecb t\u1ea5m<br \/>\n&#8211; Ki\u1ec3m tra ch\u1ee9ng ch\u1ec9 m\u00e1c, chi\u1ec1u d\u00e0y, b\u1ec1 m\u1eb7t (2B\/No.1\/BA).<br \/>\n&#8211; V\u1ec7 sinh d\u1ea7u m\u1ee1, g\u1ec9 s\u1eaft ngo\u1ea1i lai. D\u00e1n phim b\u1ea3o v\u1ec7 n\u1ebfu y\u00eau c\u1ea7u ho\u00e0n thi\u1ec7n cao.<br \/>\n&#8211; C\u1eaft ph\u00f4i theo k\u00edch th\u01b0\u1edbc tri\u1ec3n khai; ch\u1eeba \u0394 nh\u01b0 tr\u00ean.<\/p>\n<p>2) V\u00e1t m\u00e9p h\u00e0n<br \/>\n&#8211; t \u2264 3 mm: c\u00f3 th\u1ec3 kh\u00f4ng v\u00e1t, h\u00e0n TIG t\u1ef1 ch\u1ea3y ho\u1eb7c TIG + \u0111\u1ec7m m\u1ecfng.<br \/>\n&#8211; t 3\u20136 mm: v\u00e1t V 30\u201335\u00b0, root gap 1.5\u20132.0 mm; TIG l\u1edbp l\u00f3t, MIG\/MAG xung ho\u1eb7c FCAW fill\/cap.<br \/>\n&#8211; t > 6 mm: V ho\u1eb7c K bevel, c\u00f3 backing\/\u0111\u1ec7m \u0111\u1ed3ng; SAW cho \u0111\u01b0\u1eddng d\u00e0i n\u1ebfu c\u00f3 v\u1ecb tr\u00ed ph\u1eb3ng.<br \/>\n&#8211; V\u1eadt li\u1ec7u h\u00e0n: 308L cho 304\/304L; 316L cho 316\/316L; Duplex d\u00f9ng d\u00e2y ER2209. Ch\u1ecdn L \u0111\u1ec3 gi\u1ea3m nh\u1ea1y c\u1ea3m h\u00f3a b\u1ec1n\/\u0103n m\u00f2n k\u1ebd h\u1ea1t.<\/p>\n<p>Ngu\u1ed3n: AWS D1.6 \u2013 Stainless Steel; Outokumpu Welding Handbook.<\/p>\n<p>3) Pre-bending hai \u0111\u1ea7u<br \/>\n&#8211; Thi\u1ebft l\u1eadp \u00e1p l\u1ef1c \u00e9p l\u1edbn h\u01a1n khi d\u1ed3n m\u00e9p v\u00e0o con l\u0103n top roll \u0111\u1ec3 tri\u1ec7t ph\u1ea7n ph\u1eb3ng.<br \/>\n&#8211; Ki\u1ec3m so\u00e1t chi\u1ec1u d\u00e0i ph\u1ea7n ph\u1eb3ng theo m\u1ee5c ti\u00eau m\u00e1y (x t).<\/p>\n<p>4) L\u1ed1c t\u1ea1o tr\u00f2n<br \/>\n&#8211; T\u0103ng d\u1ea7n h\u00e0nh tr\u00ecnh con l\u0103n d\u01b0\u1edbi\/bi\u00ean cho t\u1edbi khi \u0111\u01b0\u1eddng sinh \u0111\u1ea1t b\u00e1n k\u00ednh \u0111\u1eb7t; \u0111i nhi\u1ec1u pass nh\u1eb9 \u0111\u1ec3 \u0111\u1ec1u l\u1ef1c, tr\u00e1nh n\u1ebfp g\u1ea5p.<br \/>\n&#8211; V\u1edbi 4 tr\u1ee5c: c\u00f3 th\u1ec3 kh\u00e9p m\u00e9p ngay tr\u00ean m\u00e1y \u0111\u1ec3 gh\u00e9p h\u00e0n \u0111\u00ednh.<\/p>\n<p>5) Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc\u2013\u0111\u1ed9 tr\u00f2n<br \/>\n&#8211; OD\/ID: \u00b11\u20132 mm cho \u0111\u01b0\u1eddng k\u00ednh \u2264 3 m; \u0111\u1ed9 \u00f4van \u2264 1% D.<br \/>\n&#8211; Sai l\u1ec7ch song song m\u00e9p: \u2264 0.5 mm tr\u00ean chi\u1ec1u d\u00e0i.<br \/>\n&#8211; D\u00f9ng th\u01b0\u1edbc v\u1ea1n n\u0103ng, th\u01b0\u1edbc d\u00e2y \u03c0-tape, v\u00f2ng d\u01b0\u1ee1ng, ho\u1eb7c khung c\u1eef tr\u00f2n.<\/p>\n<p>6) H\u00e0n \u0111\u00ednh v\u00e0 ch\u1ed1ng bi\u1ebfn d\u1ea1ng<br \/>\n&#8211; C\u0103n ch\u1ec9nh m\u00e9p, d\u00f9ng clamp v\u00f2ng\/dao \u0111\u1ed9ng, backing copper\/ceramic n\u1ebfu c\u1ea7n.<br \/>\n&#8211; \u0110\u00ednh \u0111\u1ed1i x\u1ee9ng, b\u01b0\u1edbc \u0111\u00ednh 100\u2013200 mm; ki\u1ec3m so\u00e1t nhi\u1ec7t, kh\u00f4ng \u0111\u1ec3 khe h\u1edf thay \u0111\u1ed5i.<\/p>\n<p>7) H\u00e0n d\u1ecdc (long seam)<br \/>\n&#8211; L\u1ef1a ch\u1ecdn quy tr\u00ecnh:<br \/>\n  &#8211; GTAW (TIG) cho l\u1edbp l\u00f3t ch\u1ea5t l\u01b0\u1ee3ng cao; GMAW xung\/FCAW\/SAW cho \u0111i\u1ec1n \u0111\u1ea7y.<br \/>\n  &#8211; V\u1edbi b\u1ed3n m\u1ecfng, to\u00e0n b\u1ed9 TIG xung c\u00f3 backing kh\u00ed (100% Ar) \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng th\u1ea9m m\u1ef9.<br \/>\n&#8211; Tr\u00ecnh t\u1ef1 h\u00e0n \u201cskip\u201d ho\u1eb7c chia \u0111o\u1ea1n \u0111\u1ed1i x\u1ee9ng \u0111\u1ec3 gi\u1ea3m co ng\u00f3t c\u1ee5c b\u1ed9.<\/p>\n<p>8) L\u00e0m s\u1ea1ch v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t sau h\u00e0n<br \/>\n&#8211; M\u00e0i ph\u1eb3ng h\u1ee3p l\u00fd (kh\u00f4ng qu\u00e1 nhi\u1ec7t).<br \/>\n&#8211; T\u1ea9y g\u1ec9\u2013th\u1ee5 \u0111\u1ed9ng (pickling\u2013passivation) b\u1eb1ng gel\/nh\u00fang theo h\u01b0\u1edbng d\u1eabn nh\u00e0 h\u00f3a ch\u1ea5t; r\u1eeda n\u01b0\u1edbc DI, ki\u1ec3m tra m\u00e0u m\u1ea1 Cr t\u1ef1 th\u1ee5 \u0111\u1ed9ng.<br \/>\n&#8211; V\u1edbi b\u1ed3n v\u1ec7 sinh: \u0111\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc t\u1edbi Ra \u2264 0.8 \u00b5m (th\u1ef1c ph\u1ea9m) ho\u1eb7c \u2264 0.4 \u00b5m (d\u01b0\u1ee3c).<\/p>\n<p>Ngu\u1ed3n: Nickel Institute \u2013 Pickling and Passivation of Stainless Steel.<\/p>\n<p>9) L\u1eafp r\u00e1p c\u00e1c shell course<br \/>\n&#8211; L\u1ed1c v\u00e0 h\u00e0n c\u00e1c \u1ed1ng v\u1ecf kh\u00e1c, gh\u00e9p v\u00f2ng chu vi; d\u00f9ng d\u01b0\u1ee1ng ch\u1ed1ng m\u00e9o, c\u0103n c\u1eef h\u00e0n.<br \/>\n&#8211; B\u1ed1 tr\u00ed v\u00f2ng g\u00e2n (l\u1ed1c tr\u00f2n thanh\/\u1ed1ng) theo thi\u1ebft k\u1ebf, h\u00e0n \u0111\u00ednh\u2013h\u00e0n ho\u00e0n thi\u1ec7n.<\/p>\n<h2 id=\"toc-5-quy-trinh-loc-ong-tron-lam-vong-ganbich\"><span class=\"ez-toc-section\" id=\"Quy_trinh_loc_ong_tron_lam_vong_ganbich\"><\/span>Quy tr\u00ecnh l\u1ed1c \u1ed1ng tr\u00f2n l\u00e0m v\u00f2ng g\u00e2n\/b\u00edch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ch\u1ecdn m\u00e1y l\u1ed1c h\u00ecnh c\u00f3 con l\u0103n \u0111\u1ecbnh h\u00ecnh ph\u00f9 h\u1ee3p ti\u1ebft di\u1ec7n.<br \/>\n&#8211; \u0110\u1ec3 ch\u1ed1ng b\u1eb9p v\u1edbi \u1ed1ng m\u1ecfng:<br \/>\n  &#8211; D\u00f9ng n\u00fat ch\u00e8n (mandrel) n\u1ed9i, c\u00e1t kh\u00f4 n\u00e9n, ho\u1eb7c b\u01a1m n\u01b0\u1edbc \u00e1p nh\u1eb9 n\u1ebfu cho ph\u00e9p.<br \/>\n  &#8211; Gi\u1edbi h\u1ea1n b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u: Rmin \u2248 (2.5\u20134.0) \u00d7 D\u1ed1ng (t\u00f9y t\/D). V\u1edbi t\/D nh\u1ecf, t\u0103ng Rmin.<br \/>\n&#8211; U\u1ed1n t\u1eebng pass, ki\u1ec3m tra \u0111\u01b0\u1eddng k\u00ednh b\u1eb1ng d\u01b0\u1ee1ng; c\u1eaft\u2013h\u00e0n k\u00edn v\u00f2ng, gia c\u00f4ng b\u00edch.<\/p>\n<h2 id=\"toc-6-kiem-soat-khuyet-tat-thuong-gap\"><span class=\"ez-toc-section\" id=\"Kiem_soat_khuyet_tat_thuong_gap\"><\/span>Ki\u1ec3m so\u00e1t khuy\u1ebft t\u1eadt th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ph\u1ea7n ph\u1eb3ng \u0111\u1ea7u t\u1ea5m d\u00e0i: pre-bending ch\u01b0a \u0111\u1ee7; t\u0103ng h\u00e0nh tr\u00ecnh \u00e9p, d\u00f9ng 4 tr\u1ee5c.<br \/>\n&#8211; \u00d4van\/\u201ctr\u1ee9ng\u201d: l\u1ef1c l\u1ed1c kh\u00f4ng \u0111\u1ec1u; t\u0103ng s\u1ed1 pass, \u0111\u1ea3o chi\u1ec1u pass cu\u1ed1i; \u0111o\u2013ch\u1ec9nh t\u1ea1i v\u1ecb tr\u00ed l\u1edbn nh\u1ea5t.<br \/>\n&#8211; N\u1ebfp g\u1ea5p\/d\u1ed3n s\u00f3ng: b\u01b0\u1edbc t\u0103ng \u00e9p qu\u00e1 l\u1edbn; b\u1ec1 m\u1eb7t con l\u0103n x\u1ea5u; gi\u1ea3m b\u01b0\u1edbc, c\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t\/b\u00f4i tr\u01a1n.<br \/>\n&#8211; X\u01b0\u1edbc\/galling: kh\u00f4ng d\u00f9ng phim b\u1ea3o v\u1ec7\/lube; con l\u0103n b\u1ea9n; v\u1ec7 sinh, d\u00f9ng interleaving, lube trung t\u00ednh.<br \/>\n&#8211; B\u1eb9p \u1ed1ng khi l\u1ed1c h\u00ecnh: thi\u1ebfu ch\u1ed1ng \u0111\u1ee1 trong; gi\u1ea3m l\u1ef1c t\u1eebng pass, d\u00f9ng mandrel.<\/p>\n<h2 id=\"toc-7-yeu-cau-chat-luong-ndt-va-thu-kinap\"><span class=\"ez-toc-section\" id=\"Yeu_cau_chat_luong_NDT_va_thu_kinap\"><\/span>Y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng, NDT v\u00e0 th\u1eed k\u00edn\/\u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ki\u1ec3m tra tr\u1ef1c quan (VT) to\u00e0n b\u1ed9 m\u1ed1i h\u00e0n; th\u1ea9m th\u1ea5u m\u00e0u (PT) cho Inox v\u1edbi b\u1ed3n k\u00edn.<br \/>\n&#8211; B\u1ed3n \u00e1p l\u1ef1c: NDT theo WPS\/PQR v\u00e0 m\u00e3 (ASME VIII\/EN 13445).<br \/>\n&#8211; Th\u1eed k\u00edn: b\u1ed3n kh\u00ed d\u00f9ng ki\u1ec3m b\u1ecdt x\u00e0 ph\u00f2ng, ch\u00e2n kh\u00f4ng ho\u1eb7c kh\u00ed tr\u01a1 0.2\u20130.5 barg.<br \/>\n&#8211; Th\u1eed th\u1ee7y l\u1ef1c: 1.3 \u00d7 \u00e1p su\u1ea5t thi\u1ebft k\u1ebf (theo ASME VIII), duy tr\u00ec th\u1eddi gian theo quy \u0111\u1ecbnh; l\u00e0m s\u1ea1ch, s\u1ea5y kh\u00f4 sau th\u1eed.<\/p>\n<h2 id=\"toc-8-an-toan-khi-van-hanh-may-loc\"><span class=\"ez-toc-section\" id=\"An_toan_khi_van_hanh_may_loc\"><\/span>An to\u00e0n khi v\u1eadn h\u00e0nh m\u00e1y l\u1ed1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Hu\u1ea5n luy\u1ec7n, kh\u00f3a li\u00ean \u0111\u1ed9ng ch\u00e2n\u2013tay, che ch\u1eafn k\u1eb9p cu\u1ed1n; n\u00fat d\u1eebng kh\u1ea9n c\u1ea5p lu\u00f4n s\u1eb5n.<br \/>\n&#8211; G\u00f4ng c\u1ea9u d\u00f9ng \u0111ai v\u1ea3i\/nh\u1ef1a, tr\u00e1nh x\u00edch tr\u1ef1c ti\u1ebfp l\u00ean Inox.<br \/>\n&#8211; Kh\u00f4ng \u0111eo g\u0103ng r\u1ed9ng\/bu\u00f4ng l\u1ecfng g\u1ea7n tr\u1ee5c; c\u1ea5m \u0111\u1ee9ng tr\u00ean ph\u00f4i; gi\u1eef kho\u1ea3ng c\u00e1ch tay t\u1ed1i thi\u1ec3u theo h\u01b0\u1edbng d\u1eabn m\u00e1y.<br \/>\n&#8211; Ki\u1ec3m tra \u0111i\u1ec7n\u2013th\u1ee7y l\u1ef1c \u0111\u1ecbnh k\u1ef3; \u0111\u1ed3ng b\u1ed9 h\u00f3a hi\u1ec3n th\u1ecb v\u1ecb tr\u00ed tr\u1ee5c.<\/p>\n<h2 id=\"toc-9-vi-du-tinh-nhanh-vo-bon-d-3000-mm-t-6-mm-304l\"><span class=\"ez-toc-section\" id=\"Vi_du_tinh_nhanh_vo_bon_D_3000_mm_t_6_mm_304L\"><\/span>V\u00ed d\u1ee5 t\u00ednh nhanh: v\u1ecf b\u1ed3n D 3000 mm, t 6 mm, 304L<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Y\u00eau c\u1ea7u: OD = 3000 mm, h\u00e0n d\u1ecdc V, root gap g = 2.0 mm, h\u00e0n TIG l\u00f3t + GMAW \u0111i\u1ec1n \u0111\u1ea7y.<br \/>\n&#8211; Ch\u1ecdn Dm \u2248 Do \u2212 t = 3000 \u2212 6 = 2994 mm (v\u1edbi v\u00e1t V \u0111\u01a1n).<br \/>\n&#8211; B\u00f9 co ng\u00f3t h\u00e0n d\u1ef1 ki\u1ebfn 1.0 mm \u2192 \u0394 \u2248 g + 1.0 = 3.0 mm.<br \/>\n&#8211; Chi\u1ec1u d\u00e0i tri\u1ec3n khai: L = \u03c0 \u00d7 2994 \u2212 3 \u2248 9404.5 \u2212 3 = 9401.5 mm.<br \/>\n&#8211; C\u00e0i \u0111\u1eb7t b\u00e1n k\u00ednh m\u00e1y nh\u1ecf h\u01a1n m\u1ee5c ti\u00eau ~10% \u0111\u1ec3 b\u00f9 \u0111\u00e0n h\u1ed3i; pre-bending \u0111\u1ea7u m\u1ed7i c\u1ea1nh ~0.5 \u00d7 t = 3 mm (n\u1ebfu d\u00f9ng 4 tr\u1ee5c).<br \/>\n&#8211; Sau l\u1ed1c ki\u1ec3m tra \u00f4van \u2264 1% \u2192 \u2264 30 mm; hi\u1ec7u ch\u1ec9nh t\u1ea1i v\u1ecb tr\u00ed l\u1edbn nh\u1ea5t tr\u01b0\u1edbc khi h\u00e0n d\u1ecdc.<\/p>\n<h2 id=\"toc-10-meo-nhanh-de-dat-do-trondo-kin-cao\"><span class=\"ez-toc-section\" id=\"Meo_nhanh_de_dat_do_tron%E2%80%93do_kin_cao\"><\/span>M\u1eb9o nhanh \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 tr\u00f2n\u2013\u0111\u1ed9 k\u00edn cao<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u0110\u1eebng \u201c\u0103n d\u00e0y\u201d l\u1ef1c l\u1ed1c; nhi\u1ec1u pass m\u1ecfng cho k\u1ebft qu\u1ea3 tr\u00f2n \u0111\u1ec1u h\u01a1n.<br \/>\n&#8211; H\u1ea1n ch\u1ebf nhi\u1ec7t t\u1eadp trung khi h\u00e0n d\u1ecdc; chia \u0111o\u1ea1n, backstep.<br \/>\n&#8211; H\u00e0n l\u1edbp l\u00f3t TIG c\u00f3 backing kh\u00ed \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1eb7t trong kh\u1ecfi oxy h\u00f3a \u0111\u01b0\u1eddng h\u1ea1t (sugaring).<br \/>\n&#8211; Lu\u00f4n t\u1ea9y g\u1ec9\u2013th\u1ee5 \u0111\u1ed9ng sau h\u00e0n; tr\u00e1nh nhi\u1ec5m s\u1eaft t\u1eeb d\u1ee5ng c\u1ee5 th\u00e9p carbon.<br \/>\n&#8211; V\u1edbi b\u1ed3n v\u1ec7 sinh, x\u00e1c nh\u1eadn \u0111\u1ed9 nh\u00e1m v\u00e0 ki\u1ec3m tra ferrite delta c\u1ee7a kim lo\u1ea1i h\u00e0n n\u1ebfu y\u00eau c\u1ea7u.<\/p>\n<h2 id=\"toc-11-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; Nickel Institute: Fabrication and Forming of Stainless Steels; Pickling and Passivation of Stainless Steel.<br \/>\n&#8211; AWS D1.6: Structural Welding Code \u2013 Stainless Steel.<br \/>\n&#8211; ASME Section VIII Div.1: Pressure Vessels.<br \/>\n&#8211; Faccin &#038; Davi: Plate\/Secion Rolling Technology Notes (m\u00e1y 3\/4 tr\u1ee5c, b\u00f9 \u0111\u00e0n h\u1ed3i, pre-bending).<br \/>\n&#8211; ISSF: Guidelines for Stainless Steel Forming.<\/p>\n<h2 id=\"toc-12-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 l\u1ed1c tr\u00f2n \u1ed1ng v\u00e0 t\u1ea5m Inox ch\u1ebf t\u1ea1o b\u1ed3n, b\u1ec3 \u0111\u1ea1t chu\u1ea9n, b\u1ea1n c\u1ea7n \u0111\u1ed3ng b\u1ed9 5 y\u1ebfu t\u1ed1: ch\u1ecdn \u0111\u00fang m\u00e1y (3\/4 tr\u1ee5c, n\u0103ng l\u1ef1c th\u1ef1c), t\u00ednh tri\u1ec3n khai v\u00e0 b\u00f9 \u0111\u00e0n h\u1ed3i ch\u00ednh x\u00e1c, quy tr\u00ecnh l\u1ed1c\u2013pre-bending nhi\u1ec1u pass, h\u00e0n\u2013x\u1eed l\u00fd b\u1ec1 m\u1eb7t theo chu\u1ea9n Inox, v\u00e0 ki\u1ec3m tra nghi\u00eam ng\u1eb7t. Th\u1ef1c hi\u1ec7n chu\u1ea9n ngay t\u1eeb kh\u00e2u l\u1ed1c s\u1ebd gi\u1ea3m bi\u1ebfn d\u1ea1ng h\u00e0n, n\u00e2ng \u0111\u1ed9 tr\u00f2n v\u00e0 \u0111\u1ed9 k\u00edn, r\u00fat ng\u1eafn th\u1eddi gian ho\u00e0n thi\u1ec7n v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd b\u1ed3n.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n chi ti\u1ebft theo v\u1eadt li\u1ec7u\u2013m\u00e1y t\u1ea1i x\u01b0\u1edfng c\u1ee7a b\u1ea1n ho\u1eb7c b\u00e1o gi\u00e1 Inox, ph\u1ee5 ki\u1ec7n\u2013v\u1eadt t\u01b0 h\u00e0n \u0111\u1ea1t chu\u1ea9n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn l\u1ed1c tr\u00f2n \u1ed1ng v\u00e0 t\u1ea5m Inox cho b\u1ed3n b\u1ec3: ch\u1ecdn m\u00e1y 3\/4 tr\u1ee5c, t\u00ednh b\u00e1n k\u00ednh\u2013\u0111\u1ed9 d\u00e0y, pre-bending, h\u00e0n, ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t.<\/p>\n","protected":false},"author":7,"featured_media":1045,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1826","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\/1826","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=1826"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1826\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1045"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}