{"id":2283,"date":"2026-07-16T12:35:17","date_gmt":"2026-07-16T05:35:17","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/"},"modified":"2026-07-16T12:35:17","modified_gmt":"2026-07-16T05:35:17","slug":"ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/","title":{"rendered":"K\u1ef9 thu\u1eadt l\u1ed1c tr\u00f2n \u1ed1ng, t\u1ea5m Inox \u0111\u1ec3 ch\u1ebf t\u1ea1o b\u1ed3n b\u1ec3 c\u00f4ng nghi\u1ec7p"},"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;2283&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;K\u1ef9 thu\u1eadt l\u1ed1c tr\u00f2n \u1ed1ng, t\u1ea5m Inox \u0111\u1ec3 ch\u1ebf t\u1ea1o b\u1ed3n b\u1ec3 c\u00f4ng nghi\u1ec7p&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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Tai_sao_loc_tron_Inox_la_khau_quyet_dinh_trong_che_tao_bon_be\" >T\u1ea1i sao l\u1ed1c tr\u00f2n Inox l\u00e0 kh\u00e2u quy\u1ebft \u0111\u1ecbnh trong ch\u1ebf t\u1ea1o b\u1ed3n, b\u1ec3<\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Nguyen_ly_loc_tron_va_dac_thu_cua_Inox\" >Nguy\u00ean l\u00fd l\u1ed1c tr\u00f2n v\u00e0 \u0111\u1eb7c th\u00f9 c\u1ee7a Inox<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Cac_kieu_may_loc\" >C\u00e1c ki\u1ec3u m\u00e1y l\u1ed1c<\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Chon_may_loc_va_nang_luc_phu_hop\" >Ch\u1ecdn m\u00e1y l\u1ed1c v\u00e0 n\u0103ng l\u1ef1c ph\u00f9 h\u1ee3p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Quy_tac_duong_kinh_toi_thieu_va_be_day\" >Quy t\u1eafc \u0111\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u v\u00e0 b\u1ec1 d\u00e0y<\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Phu_kien_quan_trong_cho_bon_be_lon\" >Ph\u1ee5 ki\u1ec7n quan tr\u1ecdng cho b\u1ed3n b\u1ec3 l\u1edbn<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Tinh_toan_va_chuan_bi_tu_ban_ve_toi_cai_dat_may\" >T\u00ednh to\u00e1n v\u00e0 chu\u1ea9n b\u1ecb: t\u1eeb b\u1ea3n v\u1ebd t\u1edbi c\u00e0i \u0111\u1eb7t m\u00e1y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Quy_trinh_loc_tam_thanh_ong_vo_bon_SOP_tham_khao\" >Quy tr\u00ecnh l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng v\u1ecf b\u1ed3n (SOP tham kh\u1ea3o)<\/a><\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Loc_ong_san_co_va_loc_thep_hinh_lam_gan\" >L\u1ed1c \u1ed1ng s\u1eb5n c\u00f3 v\u00e0 l\u1ed1c th\u00e9p h\u00ecnh l\u00e0m g\u00e2n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Tao_hinh_daychom_bon_va_doan_con\" >T\u1ea1o h\u00ecnh \u0111\u00e1y\/ch\u1ecfm b\u1ed3n v\u00e0 \u0111o\u1ea1n c\u00f4n<\/a><\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Kiem_soat_sai_so_loi_thuong_gap_va_cach_khac_phuc\" >Ki\u1ec3m so\u00e1t sai s\u1ed1, 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-13\" href=\"https:\/\/inoxcuongthinh.com\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Han_ghep_nan_tron_thu_kin_va_xu_ly_be_mat\" >H\u00e0n gh\u00e9p, n\u1eafn tr\u00f2n, th\u1eed k\u00edn v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#An_toan_va_bao_ve_be_mat_Inox\" >An to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t Inox<\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Vat_lieu_Inox_day_han_va_khi_bao_ve_khuyen_nghi\" >V\u1eadt li\u1ec7u Inox, d\u00e2y h\u00e0n v\u00e0 kh\u00ed b\u1ea3o v\u1ec7 khuy\u1ebfn ngh\u1ecb<\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Tieu_chuan_va_dung_sai_tham_khao\" >Ti\u00eau chu\u1ea9n v\u00e0 dung sai tham kh\u1ea3o<\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#Dich_vu_va_vat_tu_tai_Inox_Cuong_Thinh\" >D\u1ecbch v\u1ee5 v\u00e0 v\u1eadt t\u01b0 t\u1ea1i Inox C\u01b0\u1eddng Th\u1ecbnh<\/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\/ky-thuat-loc-tron-ong-tam-inox-de-che-tao-bon-be-cong-nghiep\/#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-tai-sao-loc-tron-inox-la-khau-quyet-dinh-trong-che\">T\u1ea1i sao l\u1ed1c tr\u00f2n Inox l\u00e0 kh\u00e2u quy\u1ebft \u0111\u1ecbnh trong ch\u1ebf t\u1ea1o b\u1ed3n, b\u1ec3<\/a><\/li>\n<li><a href=\"#toc-1-nguyen-ly-loc-tron-va-dac-thu-cua-inox\">Nguy\u00ean l\u00fd l\u1ed1c tr\u00f2n v\u00e0 \u0111\u1eb7c th\u00f9 c\u1ee7a Inox<\/a><\/li>\n<li><a href=\"#toc-2-chon-may-loc-va-nang-luc-phu-hop\">Ch\u1ecdn m\u00e1y l\u1ed1c v\u00e0 n\u0103ng l\u1ef1c ph\u00f9 h\u1ee3p<\/a><\/li>\n<li><a href=\"#toc-3-tinh-toan-va-chuan-bi-tu-ban-ve-toi-cai-dat-may\">T\u00ednh to\u00e1n v\u00e0 chu\u1ea9n b\u1ecb: t\u1eeb b\u1ea3n v\u1ebd t\u1edbi c\u00e0i \u0111\u1eb7t m\u00e1y<\/a><\/li>\n<li><a href=\"#toc-4-quy-trinh-loc-tam-thanh-ong-vo-bon-sop-tham-khao\">Quy tr\u00ecnh l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng v\u1ecf b\u1ed3n (SOP tham kh\u1ea3o)<\/a><\/li>\n<li><a href=\"#toc-5-loc-ong-san-co-va-loc-thep-hinh-lam-gan\">L\u1ed1c \u1ed1ng s\u1eb5n c\u00f3 v\u00e0 l\u1ed1c th\u00e9p h\u00ecnh l\u00e0m g\u00e2n<\/a><\/li>\n<li><a href=\"#toc-6-tao-hinh-daychom-bon-va-doan-con\">T\u1ea1o h\u00ecnh \u0111\u00e1y\/ch\u1ecfm b\u1ed3n v\u00e0 \u0111o\u1ea1n c\u00f4n<\/a><\/li>\n<li><a href=\"#toc-7-kiem-soat-sai-so-loi-thuong-gap-va-cach-khac-phuc\">Ki\u1ec3m so\u00e1t sai s\u1ed1, l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/a><\/li>\n<li><a href=\"#toc-8-han-ghep-nan-tron-thu-kin-va-xu-ly-be-mat\">H\u00e0n gh\u00e9p, n\u1eafn tr\u00f2n, th\u1eed k\u00edn v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-9-an-toan-va-bao-ve-be-mat-inox\">An to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t Inox<\/a><\/li>\n<li><a href=\"#toc-10-vat-lieu-inox-day-han-va-khi-bao-ve-khuyen-nghi\">V\u1eadt li\u1ec7u Inox, d\u00e2y h\u00e0n v\u00e0 kh\u00ed b\u1ea3o v\u1ec7 khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-11-tieu-chuan-va-dung-sai-tham-khao\">Ti\u00eau chu\u1ea9n v\u00e0 dung sai tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-12-dich-vu-va-vat-tu-tai-inox-cuong-thinh\">D\u1ecbch v\u1ee5 v\u00e0 v\u1eadt t\u01b0 t\u1ea1i Inox C\u01b0\u1eddng Th\u1ecbnh<\/a><\/li>\n<li><a href=\"#toc-13-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>L\u1ed1c tr\u00f2n \u1ed1ng v\u00e0 t\u1ea5m Inox l\u00e0 c\u00f4ng \u0111o\u1ea1n then ch\u1ed1t khi ch\u1ebf t\u1ea1o b\u1ed3n, b\u1ec3 c\u00f4ng nghi\u1ec7p: quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 tr\u00f2n, k\u00edch th\u01b0\u1edbc, kh\u1ea3 n\u0103ng k\u00edn kh\u00edt v\u00e0 tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p nguy\u00ean l\u00fd, c\u00e1ch ch\u1ecdn m\u00e1y, t\u00ednh to\u00e1n \u0111\u01b0\u1eddng k\u00ednh, quy tr\u00ecnh l\u1ed1c\u2013h\u00e0n\u2013n\u1eafn, ki\u1ec3m so\u00e1t l\u1ed7i v\u00e0 ti\u00eau chu\u1ea9n ki\u1ec3m tra d\u00e0nh cho k\u1ef9 s\u01b0 v\u00e0 x\u01b0\u1edfng gia c\u00f4ng. N\u1ed9i dung thu\u1ed9c nh\u00f3m k\u1ef9 thu\u1eadt gia c\u00f4ng Inox (c\u1eaft, ch\u1ea5n, d\u1eadp, l\u1ed1c) nh\u01b0ng \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y \u0111\u1ed9c l\u1eadp, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ngay cho d\u1ef1 \u00e1n m\u1edbi v\u00e0 c\u1ea3i ti\u1ebfn quy tr\u00ecnh hi\u1ec7n h\u1eefu.<\/p>\n<h2 id=\"toc-0-tai-sao-loc-tron-inox-la-khau-quyet-dinh-trong-che\"><span class=\"ez-toc-section\" id=\"Tai_sao_loc_tron_Inox_la_khau_quyet_dinh_trong_che_tao_bon_be\"><\/span>T\u1ea1i sao l\u1ed1c tr\u00f2n Inox l\u00e0 kh\u00e2u quy\u1ebft \u0111\u1ecbnh trong ch\u1ebf t\u1ea1o b\u1ed3n, b\u1ec3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u1ea2nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn: \u0111\u1ed9 tr\u00f2n (ovality), k\u00edch th\u01b0\u1edbc trong\/ngo\u00e0i danh ngh\u0129a, chi\u1ec1u d\u00e0i c\u1ea1nh th\u1eb3ng \u1edf m\u00e9p (flat end), khe h\u1edf h\u00e0n, n\u1ed9i \u1ee9ng su\u1ea5t.<br \/>\n&#8211; T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c b\u01b0\u1edbc sau: \u0111\u1ed9 th\u1eb3ng \u0111\u01b0\u1eddng sinh khi g\u00e1 l\u1eafp, \u1ed5n \u0111\u1ecbnh h\u1ed3 quang v\u00e0 \u0111\u1ed9 ng\u1ea5u khi h\u00e0n m\u1ed1i d\u1ecdc\/v\u00e0nh, bi\u1ebfn d\u1ea1ng sau h\u00e0n, chi ph\u00ed n\u1eafn ch\u1ec9nh v\u00e0 th\u1eddi gian th\u1eed k\u00edn.<\/p>\n<h2 id=\"toc-1-nguyen-ly-loc-tron-va-dac-thu-cua-inox\"><span class=\"ez-toc-section\" id=\"Nguyen_ly_loc_tron_va_dac_thu_cua_Inox\"><\/span>Nguy\u00ean l\u00fd l\u1ed1c tr\u00f2n v\u00e0 \u0111\u1eb7c th\u00f9 c\u1ee7a Inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Inox austenit (304\/304L, 316\/316L) c\u00f3 gi\u1edbi h\u1ea1n ch\u1ea3y th\u1ea5p (\u2248205 MPa) nh\u01b0ng \u0111\u1ed9 h\u00f3a b\u1ec1n ngu\u1ed9i v\u00e0 \u0111\u00e0n h\u1ed3i h\u1ed3i (springback) cao h\u01a1n th\u00e9p carbon. V\u00ec v\u1eady c\u00f9ng b\u1ec1 d\u00e0y, l\u1ef1c l\u1ed1c l\u1edbn h\u01a1n v\u00e0 c\u1ea7n \u201cqu\u00e1 u\u1ed1n\u201d (overbend) nhi\u1ec1u h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1eddng k\u00ednh y\u00eau c\u1ea7u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cac_kieu_may_loc\"><\/span>C\u00e1c ki\u1ec3u m\u00e1y l\u1ed1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; M\u00e1y 3 tr\u1ee5c initial pinch: ti\u1ebft ki\u1ec7m, ph\u00f9 h\u1ee3p d\u1ea3i d\u00e0y m\u1ecfng\u2013trung b\u00ecnh; c\u1ea7n \u0111\u1ea3o t\u1ea5m \u0111\u1ec3 ti\u1ec1n u\u1ed1n (prebending) hai m\u00e9p; chi\u1ec1u d\u00e0i c\u1ea1nh th\u1eb3ng l\u1edbn h\u01a1n.<br \/>\n&#8211; M\u00e1y 3 tr\u1ee5c double pinch\/bi\u1ebfn h\u00ecnh: cho t\u1ea5m d\u00e0y h\u01a1n, h\u1ea1n ch\u1ebf c\u1ea1nh th\u1eb3ng, h\u1ed7 tr\u1ee3 l\u1ed1c c\u00f4n.<br \/>\n&#8211; M\u00e1y 4 tr\u1ee5c: prebending \u0111\u01b0\u1ee3c c\u1ea3 hai m\u00e9p kh\u00f4ng c\u1ea7n \u0111\u1ea3o t\u1ea5m, ki\u1ec3m so\u00e1t t\u1ed1t \u0111\u01b0\u1eddng k\u00ednh, n\u0103ng su\u1ea5t cao; ph\u00f9 h\u1ee3p s\u1ea3n xu\u1ea5t b\u1ed3n b\u1ec3 h\u00e0ng lo\u1ea1t, \u0111\u01b0\u1eddng k\u00ednh l\u1edbn.<br \/>\n&#8211; Ph\u1ee5 tr\u1ee3: con l\u0103n \u0111\u1ed9i \u0111\u1ec9nh\/\u0111\u1ee1 bi\u00ean cho v\u1ecf m\u1ecfng \u0111\u01b0\u1eddng k\u00ednh l\u1edbn, con l\u0103n c\u00f4n, crowning con l\u0103n \u0111\u1ec3 b\u00f9 \u201cph\u00ecnh b\u1ee5ng\u201d.<\/p>\n<h2 id=\"toc-2-chon-may-loc-va-nang-luc-phu-hop\"><span class=\"ez-toc-section\" id=\"Chon_may_loc_va_nang_luc_phu_hop\"><\/span>Ch\u1ecdn m\u00e1y l\u1ed1c v\u00e0 n\u0103ng l\u1ef1c ph\u00f9 h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Quy_tac_duong_kinh_toi_thieu_va_be_day\"><\/span>Quy t\u1eafc \u0111\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u v\u00e0 b\u1ec1 d\u00e0y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u0110\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u kh\u1ea3 thi ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1eddng k\u00ednh con l\u0103n tr\u00ean (D_top), k\u1ebft c\u1ea5u m\u00e1y v\u00e0 v\u1eadt li\u1ec7u. Quy t\u1eafc th\u1ef1c h\u00e0nh t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y:<br \/>\n  + Th\u00e9p carbon: D_min \u2248 1.1\u20131.3 \u00d7 D_top.<br \/>\n  + Inox austenit: D_min \u2248 1.3\u20131.5 \u00d7 D_top do springback cao h\u01a1n.<br \/>\n  (Ngu\u1ed3n tham kh\u1ea3o: t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a Faccin, Davi \u2013 nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y l\u1ed1c t\u1ea5m)<br \/>\n&#8211; C\u00f4ng su\u1ea5t prebending th\u01b0\u1eddng th\u1ea5p h\u01a1n rolling capacity; v\u00ed d\u1ee5 m\u00e1y \u201cl\u1ed1c 12 mm\u201d th\u01b0\u1eddng ch\u1ec9 prebend t\u1ed1t kho\u1ea3ng 9\u201310 mm.<br \/>\n&#8211; Chi\u1ec1u d\u00e0i l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y \u2265 chi\u1ec1u d\u00e0i \u201ccourse\u201d v\u1ecf b\u1ed3n; v\u1edbi b\u1ed3n l\u1edbn, \u01b0u ti\u00ean m\u00e1y 4 tr\u1ee5c c\u00f3 CNC \u0111\u1ec3 l\u1eb7p l\u1ea1i ch\u00ednh x\u00e1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phu_kien_quan_trong_cho_bon_be_lon\"><\/span>Ph\u1ee5 ki\u1ec7n quan tr\u1ecdng cho b\u1ed3n b\u1ec3 l\u1edbn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Crowning con l\u0103n \u0111\u1ec3 ch\u1ed1ng \u201cph\u00ecnh b\u1ee5ng\u201d \u1edf gi\u1eefa v\u1ecf.<br \/>\n&#8211; Gi\u00e1 \u0111\u1ee1 bi\u00ean\/\u0111\u1ea7u (side\/overhead supports) cho t\u1ea5m m\u1ecfng D l\u1edbn.<br \/>\n&#8211; \u0110\u1ed3 g\u00e1 l\u1ed1c c\u00f4n, th\u01b0\u1edbc \u0111ai \u0111o \u0111\u01b0\u1eddng k\u00ednh (strap), c\u1ea3m bi\u1ebfn \u0111o ovality.<br \/>\n&#8211; H\u1ec7 th\u1ed1ng l\u00e0m s\u1ea1ch con l\u0103n, t\u00e1ch bi\u1ec7t d\u1ee5ng c\u1ee5 d\u00f9ng ri\u00eang cho Inox \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m s\u1eaft.<\/p>\n<h2 id=\"toc-3-tinh-toan-va-chuan-bi-tu-ban-ve-toi-cai-dat-may\"><span class=\"ez-toc-section\" id=\"Tinh_toan_va_chuan_bi_tu_ban_ve_toi_cai_dat_may\"><\/span>T\u00ednh to\u00e1n v\u00e0 chu\u1ea9n b\u1ecb: t\u1eeb b\u1ea3n v\u1ebd t\u1edbi c\u00e0i \u0111\u1eb7t m\u00e1y<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; V\u1eadt li\u1ec7u: ch\u1ecdn m\u00e1c 304L\/316L theo m\u00f4i tr\u01b0\u1eddng; d\u00f9ng b\u1ea3n ti\u00eau chu\u1ea9n ASTM A240\/A240M.<br \/>\n&#8211; B\u1ec1 d\u00e0y v\u00e0 dung sai: theo b\u1ea3n v\u1ebd\/ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf (ASME VIII cho b\u00ecnh ch\u1ecbu \u00e1p, API 650\/620 cho b\u1ec3 h\u00e0n).<br \/>\n&#8211; B\u00f9 \u0111\u00e0n h\u1ed3i (overbend): v\u1edbi 304\/316 t \u2264 8\u201310 mm, th\u01b0\u1eddng \u0111\u1eb7t b\u00e1n k\u00ednh l\u1ed1c nh\u1ecf h\u01a1n R m\u1ee5c ti\u00eau 1\u20133% v\u00e0 b\u1ed5 sung 1\u20132 l\u01b0\u1ee3t \u201c\u00e9p ch\u1ec9nh\u201d cu\u1ed1i. V\u1edbi t d\u00e0y h\u01a1n, c\u1ea7n th\u1eed nhanh m\u1ed9t \u0111o\u1ea1n r\u1ed3i hi\u1ec7u ch\u1ec9nh.<br \/>\n&#8211; C\u1ea1nh th\u1eb3ng (flat end):<br \/>\n  + Kh\u00f4ng ti\u1ec1n u\u1ed1n: m\u1ed7i m\u00e9p c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i E \u2248 1.1\u20131.5 \u00d7 D_top (kh\u00f4ng ch\u1ea5p nh\u1eadn cho m\u1ed1i h\u00e0n d\u1ecdc).<br \/>\n  + Prebending t\u1ed1t: E c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng \u2248 1\u20132 \u00d7 t (m\u00e1y 4 tr\u1ee5c) ho\u1eb7c 1.5\u20132 \u00d7 t (m\u00e1y 3 tr\u1ee5c).<br \/>\n&#8211; Chu\u1ea9n b\u1ecb m\u00e9p: v\u00e1t m\u00e9p V\/K theo WPS; l\u00e0m s\u1ea1ch n\u1eb9p d\u1ea7u\/ba via; gi\u1eef m\u00e0ng PE ch\u1ed1ng x\u01b0\u1edbc n\u1ebfu c\u1ea7n ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t sau.<\/p>\n<p>V\u00ed d\u1ee5 nhanh: y\u00eau c\u1ea7u \u1ed1ng Inox 304L, t = 6 mm, D_trong = 1200 mm.<br \/>\n&#8211; Ch\u1ecdn m\u00e1y c\u00f3 D_top ph\u00f9 h\u1ee3p: v\u1edbi Inox, D_min \u2248 1.4 \u00d7 D_top \u21d2 D_top \u2264 857 mm (m\u00e1y ph\u1ed5 th\u00f4ng \u0111\u00e1p \u1ee9ng).<br \/>\n&#8211; C\u00e0i \u0111\u1eb7t b\u00e1n k\u00ednh \u0111\u1eb7t (R_set) \u2248 0.98 \u00d7 R_target trong l\u01b0\u1ee3t cu\u1ed1i, ki\u1ec3m tra b\u1eb1ng \u0111ai \u0111o; n\u1ebfu \u0111\u01b0\u1eddng k\u00ednh h\u1ed3i l\u1edbn h\u01a1n 1% th\u00ec t\u0103ng overbend th\u00eam 0.5\u20131%.<\/p>\n<h2 id=\"toc-4-quy-trinh-loc-tam-thanh-ong-vo-bon-sop-tham-khao\"><span class=\"ez-toc-section\" id=\"Quy_trinh_loc_tam_thanh_ong_vo_bon_SOP_tham_khao\"><\/span>Quy tr\u00ecnh l\u1ed1c t\u1ea5m th\u00e0nh \u1ed1ng v\u1ecf b\u1ed3n (SOP tham kh\u1ea3o)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1) Ki\u1ec3m tra v\u1eadt li\u1ec7u: ch\u1ee9ng ch\u1ec9 m\u00e1c, b\u1ec1 d\u00e0y, b\u1ec1 m\u1eb7t; t\u00e1ch bi\u1ec7t khu v\u1ef1c Inox.<br \/>\n2) G\u00e1 th\u1eb3ng t\u1ea5m, c\u0103n song song con l\u0103n; l\u00e0m s\u1ea1ch con l\u0103n.<br \/>\n3) Prebending m\u00e9p 1: t\u0103ng l\u1ef1c d\u1ea7n, \u0111\u1ea1t b\u00e1n k\u00ednh g\u1ea7n danh ngh\u0129a, chi\u1ec1u d\u00e0i flat end theo m\u1ee5c ti\u00eau (\u22481\u20132 \u00d7 t).<br \/>\n4) \u0110\u1ea3o\/\u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 prebend m\u00e9p 2 t\u01b0\u01a1ng t\u1ef1.<br \/>\n5) L\u1ed1c th\u00e2n: 2\u20134 l\u01b0\u1ee3t theo b\u1eadc l\u1ef1c, ki\u1ec3m \u0111\u1ed9 tr\u00f2n sau m\u1ed7i l\u01b0\u1ee3t b\u1eb1ng \u0111ai \u0111o ho\u1eb7c c\u1eef tr\u00f2n.<br \/>\n6) Hi\u1ec7u ch\u1ec9nh overbend: \u0111\u1eb7t R_set nh\u1ecf h\u01a1n m\u1ee5c ti\u00eau 1\u20133% cho l\u01b0\u1ee3t cu\u1ed1i.<br \/>\n7) K\u1eb9p m\u00e9p, c\u0103n th\u1eb3ng \u0111\u01b0\u1eddng sinh; tack weld m\u1ed1i d\u1ecdc (\u22653 \u0111i\u1ec3m\/m).<br \/>\n8) H\u00e0n m\u1ed1i d\u1ecdc:<br \/>\n   &#8211; t \u2264 3 mm: GTAW (TIG) m\u1ed9t l\u1edbp, \u0111\u1ec7m kh\u00ed Argon trong (back purging).<br \/>\n   &#8211; 3\u201312 mm: TIG root + GMAW (MIG) l\u1edbp \u0111\u1eafp; ho\u1eb7c SAW v\u1edbi \u0111\u1ed3 g\u00e1 ph\u00f9 h\u1ee3p.<br \/>\n   &#8211; D\u00f9ng d\u00e2y ER308L cho 304L, ER316L cho 316L (ISO 14343\/AWS A5.9).<br \/>\n   &#8211; Purge \u0111\u1ebfn O2 < 50\u2013100 ppm \u0111\u1ec3 tr\u00e1nh ch\u00e1y v\u00e0ng\/\u00f4xy h\u00f3a m\u1eb7t trong (khuy\u1ebfn ngh\u1ecb c\u1ee7a TWI).  \n9) Ki\u1ec3m tra NDE m\u1ed1i d\u1ecdc: th\u1ea9m th\u1ea5u m\u00e0u PT (ASTM E1417) v\u00e0\/ho\u1eb7c RT\/UT theo y\u00eau c\u1ea7u.  \n10) N\u1eafn tr\u00f2n sau h\u00e0n: \u0111\u01b0a \u1ed1ng v\u00e0o m\u00e1y, l\u1ed1c \u201cnh\u1eb9\u201d 1\u20132 l\u01b0\u1ee3t \u0111\u1ec3 gi\u1ea3m ovality.  \n11) Gh\u00e9p c\u00e1c course: c\u0103n ch\u1ec9nh, tack, h\u00e0n m\u1ed1i v\u00e0nh theo WPS; ki\u1ec3m tra bi\u1ebfn d\u1ea1ng v\u00e0 n\u1eafn ch\u1ec9nh.  \n12) Gia c\u00f4ng ph\u1ee5 ki\u1ec7n: c\u1ed5 \u1ed1ng, t\u1ea5m gia c\u01b0\u1eddng, g\u00e2n c\u1ee9ng; h\u00e0n theo tr\u00ecnh t\u1ef1 \u0111\u1ed1i x\u1ee9ng gi\u1ea3m bi\u1ebfn d\u1ea1ng.  \n13) L\u00e0m s\u1ea1ch x\u1ec9\/oxit, trung h\u00f2a, r\u1eeda k\u1ef9; chu\u1ea9n b\u1ecb cho th\u1eed k\u00edn.\n\n\n\n<h2 id=\"toc-5-loc-ong-san-co-va-loc-thep-hinh-lam-gan\"><span class=\"ez-toc-section\" id=\"Loc_ong_san_co_va_loc_thep_hinh_lam_gan\"><\/span>L\u1ed1c \u1ed1ng s\u1eb5n c\u00f3 v\u00e0 l\u1ed1c th\u00e9p h\u00ecnh l\u00e0m g\u00e2n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; L\u1ed1c \u1ed1ng s\u1eb5n c\u00f3 th\u00e0nh v\u00f2ng\/coil: d\u00f9ng m\u00e1y u\u1ed1n 3 con l\u0103n cho \u1ed1ng\/h\u1ed9p; ki\u1ec3m so\u00e1t ch\u1ed1ng b\u1eb9p b\u1eb1ng ru-l\u00f4 l\u00f3t ho\u1eb7c c\u00e1t kh\u00f4 (\u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf, t m\u1ecfng).<br \/>\n&#8211; L\u1ed1c th\u00e9p h\u00ecnh (flat bar, V, U) l\u00e0m g\u00e2n t\u0103ng c\u1ee9ng cho b\u1ed3n m\u1ecfng D l\u1edbn: ch\u1ecdn con l\u0103n theo m\u1eb7t l\u0103n, d\u00f9ng \u201ccrown\u201d ph\u00f9 h\u1ee3p \u0111\u1ec3 v\u00f2ng kh\u00e9p k\u00edn, h\u00e0n \u0111\u1ea7u\u2013\u0111u\u00f4i v\u00e0 gia c\u00f4ng ph\u1eb3ng m\u1ed1i n\u1ed1i.<\/p>\n<h2 id=\"toc-6-tao-hinh-daychom-bon-va-doan-con\"><span class=\"ez-toc-section\" id=\"Tao_hinh_daychom_bon_va_doan_con\"><\/span>T\u1ea1o h\u00ecnh \u0111\u00e1y\/ch\u1ecfm b\u1ed3n v\u00e0 \u0111o\u1ea1n c\u00f4n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ch\u1ecfm elip\/torispherical:<br \/>\n  + Gia c\u00f4ng chuy\u00ean d\u1ee5ng (spin forming, press forming), ho\u1eb7c gh\u00e9p c\u00e1nh hoa (petal) r\u1ed3i h\u00e0n \u0111\u1ec9nh\u2013v\u00e0nh.<br \/>\n  + Ki\u1ec3m so\u00e1t b\u00e1n k\u00ednh m\u00e9p \u0111\u1ec3 gh\u00e9p v\u1edbi v\u1ecf tr\u1ee5 kh\u00f4ng h\u1edf\/h\u1ee5t.<br \/>\n&#8211; \u0110o\u1ea1n c\u00f4n: d\u00f9ng m\u00e1y l\u1ed1c c\u00f3 \u0111\u1ed3 g\u00e1 c\u00f4n, ch\u1ec9nh l\u1ec7ch con l\u0103n bi\u00ean theo g\u00f3c c\u00f4n; l\u1ed1c t\u1eeb \u0111\u01b0\u1eddng sinh d\u00e0i \u0111\u1ebfn ng\u1eafn; tr\u00e1nh nh\u0103n bi\u00ean b\u1eb1ng gi\u1ea3m b\u01b0\u1edbc ti\u1ebfn\u2013t\u0103ng l\u1ef1c \u00e9p t\u1ea1i m\u00e9p d\u00e0y.<\/p>\n<h2 id=\"toc-7-kiem-soat-sai-so-loi-thuong-gap-va-cach-khac-phuc\"><span class=\"ez-toc-section\" id=\"Kiem_soat_sai_so_loi_thuong_gap_va_cach_khac_phuc\"><\/span>Ki\u1ec3m so\u00e1t sai s\u1ed1, 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; Ovality v\u01b0\u1ee3t qu\u00e1: do overbend thi\u1ebfu, n\u1eafn sau h\u00e0n k\u00e9m; gi\u1ea3i ph\u00e1p: t\u0103ng overbend 0.5\u20131%, l\u1ed1c \u201cl\u1ee5a\u201d l\u1ea1i sau h\u00e0n, d\u00f9ng crowning v\u00e0 g\u1ed1i \u0111\u1ee1 bi\u00ean.<br \/>\n&#8211; \u201cPh\u00ecnh b\u1ee5ng\u201d (barrel) ho\u1eb7c \u201cth\u1eaft eo\u201d: do con l\u0103n kh\u00f4ng crown\/\u00e1p l\u1ef1c kh\u00f4ng \u0111\u1ec1u; c\u00e2n ch\u1ec9nh song song, d\u00f9ng crowning, gi\u1ea3m b\u01b0\u1edbc ti\u1ebfn gi\u1eefa t\u1ea5m.<br \/>\n&#8211; \u0110\u1ea7u to\u2013\u0111\u1ea7u nh\u1ecf (taper): do l\u1ec7ch tr\u1ee5c ho\u1eb7c c\u1ea5p l\u1ef1c kh\u00f4ng \u0111\u1ec1u; c\u0103n tr\u1ee5c, chia l\u01b0\u1ee3t l\u1ed1c \u0111\u1ed1i x\u1ee9ng.<br \/>\n&#8211; N\u1ebfp nh\u0103n bi\u00ean khi l\u1ed1c c\u00f4n\/m\u1ecfng: gi\u1ea3m b\u01b0\u1edbc ti\u1ebfn, t\u0103ng l\u1ef1c \u00e9p t\u1ea1i bi\u00ean, d\u00f9ng k\u1eb9p bi\u00ean ch\u1ed1ng nh\u0103n.<br \/>\n&#8211; C\u1ea1nh th\u1eb3ng d\u00e0i: prebend ch\u01b0a \u0111\u1ee7; t\u0103ng h\u00e0nh tr\u00ecnh prebend v\u00e0 ki\u1ec3m \u0111\u1ed9 d\u00e0i E tr\u01b0\u1edbc khi l\u1ed1c th\u00e2n.<br \/>\n&#8211; Ch\u00e1y m\u00e0u\/m\u1eb7t trong \u00f4xy h\u00f3a: purge ch\u01b0a \u0111\u1ea1t; t\u0103ng l\u01b0u l\u01b0\u1ee3ng Argon, b\u1ecbt k\u00edn khe h\u1edf, theo d\u00f5i O2.<br \/>\n&#8211; Nhi\u1ec5m s\u1eaft\/\u0111i\u1ec3m r\u1ec9: t\u00e1ch d\u1ee5ng c\u1ee5, d\u00f9ng b\u00e0n ch\u1ea3i Inox, x\u1eed l\u00fd pickling\u2013passivation.<\/p>\n<h2 id=\"toc-8-han-ghep-nan-tron-thu-kin-va-xu-ly-be-mat\"><span class=\"ez-toc-section\" id=\"Han_ghep_nan_tron_thu_kin_va_xu_ly_be_mat\"><\/span>H\u00e0n gh\u00e9p, n\u1eafn tr\u00f2n, th\u1eed k\u00edn v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; WPS\/PQR theo ti\u00eau chu\u1ea9n (ASME IX\/AWS D1.6 cho Inox), \u01b0u ti\u00ean L-grade \u0111\u1ec3 gi\u1ea3m nh\u1ea1y c\u1ea3m \u0103n m\u00f2n tinh gi\u1edbi.<br \/>\n&#8211; N\u1eafn tr\u00f2n sau h\u00e0n: b\u1eaft bu\u1ed9c v\u1edbi v\u1ecf m\u1ecfng D l\u1edbn ho\u1eb7c m\u1ed1i h\u00e0n nhi\u1ec7t cao.<br \/>\n&#8211; Th\u1eed k\u00edn:<br \/>\n  + B\u1ec3 ch\u1ee9a kh\u00ed \u00e1p th\u1ea5p: th\u1eed kh\u00ed x\u00e0 ph\u00f2ng, ch\u00e2n kh\u00f4ng c\u1ee5c b\u1ed9.<br \/>\n  + B\u1ed3n\/b\u00ecnh: th\u1ee7y l\u1ef1c theo API 650 (b\u1ec3) ho\u1eb7c ASME VIII UG-99 (b\u00ecnh ch\u1ecbu \u00e1p); \u00e1p v\u00e0 th\u1eddi gian gi\u1eef theo b\u1ea3n v\u1ebd.<br \/>\n&#8211; L\u00e0m s\u1ea1ch\u2013th\u1ee5 \u0111\u1ed9ng h\u00f3a: theo ASTM A380\/A967; d\u00f9ng gel pickling (HNO3 + HF) lo\u1ea1i b\u1ecf nhi\u1ec7t m\u00e0u, r\u1eeda\u2013trung h\u00f2a, ki\u1ec3m tra b\u1ec1 m\u1eb7t; c\u00f3 th\u1ec3 \u0111\u00e1nh b\u00f3ng c\u01a1 (Ra theo y\u00eau c\u1ea7u quy tr\u00ecnh CIP\/SIP).<\/p>\n<h2 id=\"toc-9-an-toan-va-bao-ve-be-mat-inox\"><span class=\"ez-toc-section\" id=\"An_toan_va_bao_ve_be_mat_Inox\"><\/span>An to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t Inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; An to\u00e0n m\u00e1y l\u1ed1c: v\u00f9ng k\u1eb9p con l\u0103n l\u00e0 \u0111i\u1ec3m k\u1eb9p nguy hi\u1ec3m; d\u00f9ng b\u00e0n \u0111\u1ea1p kh\u1ea9n c\u1ea5p, c\u1ea5m \u0111eo g\u0103ng l\u1ecfng, kh\u00f3a \u0111i\u1ec7n khi b\u1ea3o tr\u00ec.<br \/>\n&#8211; N\u00e2ng h\u1ea1: d\u00f9ng \u0111ai v\u1ea3i, tr\u00e1nh x\u00edch th\u00e9p tr\u1ef1c ti\u1ebfp l\u00ean b\u1ec1 m\u1eb7t; l\u00f3t cao su.<br \/>\n&#8211; B\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t: t\u00e1ch bi\u1ec7t khu v\u1ef1c th\u00e9p carbon, kh\u00f4ng m\u00e0i b\u1eb1ng \u0111\u00e1 \u0111\u00e3 m\u00e0i th\u00e9p \u0111en, gi\u1eef m\u00e0ng PE \u0111\u1ebfn tr\u01b0\u1edbc khi h\u00e0n.<\/p>\n<h2 id=\"toc-10-vat-lieu-inox-day-han-va-khi-bao-ve-khuyen-nghi\"><span class=\"ez-toc-section\" id=\"Vat_lieu_Inox_day_han_va_khi_bao_ve_khuyen_nghi\"><\/span>V\u1eadt li\u1ec7u Inox, d\u00e2y h\u00e0n v\u00e0 kh\u00ed b\u1ea3o v\u1ec7 khuy\u1ebfn ngh\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 304\/304L: n\u01b0\u1edbc s\u1ea1ch, th\u1ef1c ph\u1ea9m; d\u00e2y ER308L, kh\u00ed Ar 99.99% (TIG), Ar+2%CO2 ho\u1eb7c Ar+O2 r\u1ea5t th\u1ea5p (MIG cho Inox; \u01b0u ti\u00ean Ar+2%CO2\/1\u20132%O2 chuy\u00ean d\u1ee5ng Inox).<br \/>\n&#8211; 316\/316L: m\u00f4i tr\u01b0\u1eddng clorua nh\u1eb9\u2013trung b\u00ecnh; d\u00e2y ER316L; c\u00f3 th\u1ec3 d\u00f9ng backing flux tape khi purge kh\u00f3.<br \/>\n&#8211; Purging: l\u01b0u l\u01b0\u1ee3ng 5\u201310 l\u00edt\/ph\u00fat, x\u1ea3 kh\u00ed \u0111\u1ebfn O2 < 50\u2013100 ppm tr\u01b0\u1edbc khi h\u00e0n ch\u00e2n; b\u1ecbt k\u00edn hai \u0111\u1ea7u, c\u00f3 l\u1ed7 tho\u00e1t nh\u1ecf ch\u1ed1ng \u00e1p.\n\n\n\n<h2 id=\"toc-11-tieu-chuan-va-dung-sai-tham-khao\"><span class=\"ez-toc-section\" id=\"Tieu_chuan_va_dung_sai_tham_khao\"><\/span>Ti\u00eau chu\u1ea9n v\u00e0 dung sai tham kh\u1ea3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; V\u1eadt li\u1ec7u: ASTM A240\/A240M (t\u1ea5m Inox).<br \/>\n&#8211; Thi\u1ebft k\u1ebf\/ch\u1ebf t\u1ea1o: ASME Section VIII Div.1 (b\u00ecnh ch\u1ecbu \u00e1p), API 650\/620 (b\u1ec3 h\u00e0n).<br \/>\n&#8211; H\u00e0n: ASME IX, AWS D1.6\/ISO 9606-1 (ch\u1ee9ng nh\u1eadn th\u1ee3 h\u00e0n).<br \/>\n&#8211; L\u00e0m s\u1ea1ch\/th\u1ee5 \u0111\u1ed9ng h\u00f3a: ASTM A380, ASTM A967.<br \/>\n&#8211; NDE: ASTM E1417 (PT), ASME V (UT\/RT).<br \/>\n&#8211; Dung sai \u0111\u1ed9 tr\u00f2n tham kh\u1ea3o: b\u1ec3 h\u00e0n API 650 th\u01b0\u1eddng gi\u1edbi h\u1ea1n \u0111\u1ed9 m\u00e9o tr\u00f2n \u2264 1% D; b\u00ecnh ch\u1ecbu \u00e1p th\u01b0\u1eddng kh\u1eaft khe h\u01a1n (\u2264 0.5% t\u00f9y \u0111\u1eb7c t\u1ea3).<br \/>\nNgu\u1ed3n: ASME BPVC; API 650; ASTM A240\/A380\/A967; khuy\u1ebfn ngh\u1ecb h\u00e0n\/purging c\u1ee7a TWI; h\u01b0\u1edbng d\u1eabn m\u00e1y l\u1ed1c c\u1ee7a Faccin\/Davi.<\/p>\n<h2 id=\"toc-12-dich-vu-va-vat-tu-tai-inox-cuong-thinh\"><span class=\"ez-toc-section\" id=\"Dich_vu_va_vat_tu_tai_Inox_Cuong_Thinh\"><\/span>D\u1ecbch v\u1ee5 v\u00e0 v\u1eadt t\u01b0 t\u1ea1i Inox C\u01b0\u1eddng Th\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Cung c\u1ea5p t\u1ea5m\u2013\u1ed1ng\u2013ph\u1ee5 ki\u1ec7n Inox 304\/304L\/316L chu\u1ea9n ch\u1ee9ng ch\u1ec9, c\u1eaft quy c\u00e1ch, v\u00e1t m\u00e9p, l\u1ed1c tr\u00f2n 3\/4 tr\u1ee5c theo b\u1ea3n v\u1ebd.<br \/>\n&#8211; T\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn m\u00e1y, set-up th\u00f4ng s\u1ed1 l\u1ed1c, quy tr\u00ecnh h\u00e0n\u2013n\u1eafn\u2013th\u1eed k\u00edn t\u1ed1i \u01b0u chi ph\u00ed.<br \/>\nLi\u00ean h\u1ec7 \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t: Hotline 0343.417.281 \u2022 Email inoxcongnghiep.cuongthinh@gmail.com<\/p>\n<h2 id=\"toc-13-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>L\u1ed1c tr\u00f2n \u1ed1ng v\u00e0 t\u1ea5m Inox cho b\u1ed3n, b\u1ec3 c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi ch\u1ecdn \u0111\u00fang m\u00e1y (3\/4 tr\u1ee5c), hi\u1ec3u springback c\u1ee7a Inox, prebending \u0111\u00fang \u0111\u1ec3 kh\u1ed1ng ch\u1ebf c\u1ea1nh th\u1eb3ng, c\u00e0i \u0111\u1eb7t overbend h\u1ee3p l\u00fd, quy tr\u00ecnh h\u00e0n c\u00f3 purge, n\u1eafn tr\u00f2n sau h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t theo chu\u1ea9n. \u00c1p d\u1ee5ng c\u00e1c quy t\u1eafc D_min theo D_top, ki\u1ec3m so\u00e1t dung sai \u0111\u1ed9 tr\u00f2n v\u00e0 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n (ASME\/API\/ASTM) s\u1ebd gi\u00fap b\u1ed3n b\u1ec3 \u0111\u1ea1t \u0111\u1ed9 k\u00edn, b\u1ec1n v\u00e0 s\u1ea1ch b\u1ec1 m\u1eb7t. C\u1ea7n h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt ho\u1eb7c gia c\u00f4ng tr\u1ecdn g\u00f3i, h\u00e3y li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 ti\u1ebfn \u0111\u1ed9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1y 3\/4 tr\u1ee5c, t\u00ednh \u0111\u01b0\u1eddng k\u00ednh, b\u00f9 \u0111\u00e0n h\u1ed3i, quy tr\u00ecnh l\u1ed1c\u2013h\u00e0n\u2013n\u1eafn, ki\u1ec3m tra k\u00edn v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t khi ch\u1ebf t\u1ea1o b\u1ed3n b\u1ec3 Inox hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"author":7,"featured_media":1058,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2283","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\/2283","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=2283"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2283\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1058"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}