{"id":1388,"date":"2025-12-04T00:34:11","date_gmt":"2025-12-03T17:34:11","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/lien-ket-inox-tu-a-z-ky-thuat-han-bulong-va-lap-dung-an-toan\/"},"modified":"2025-12-09T00:35:52","modified_gmt":"2025-12-08T17:35:52","slug":"lien-ket-inox-tu-a-z-ky-thuat-han-bulong-va-lap-dung-an-toan","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/lien-ket-inox-tu-a-z-ky-thuat-han-bulong-va-lap-dung-an-toan\/","title":{"rendered":"Li\u00ean k\u1ebft Inox t\u1eeb A\u2013Z: k\u1ef9 thu\u1eadt h\u00e0n, bulong v\u00e0 l\u1eafp d\u1ef1ng an to\u00e0n"},"content":{"rendered":"<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/han-inox-voi-thep-thuong-chon-vat-lieu-bu-va-quy-trinh-toi-uu\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u00e0n Inox v\u1edbi th\u00e9p th\u01b0\u1eddng: ch\u1ecdn v\u1eadt li\u1ec7u b\u00f9 v\u00e0 quy tr\u00ecnh t\u1ed1i \u01b0u<\/a><\/p>\n<\/p><\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/lap-dung-ket-cau-inox-lon-an-toan-thi-cong-chong-bien-dang\/\" target=\"_blank\" rel=\"noopener noreferrer\">L\u1eafp d\u1ef1ng k\u1ebft c\u1ea5u Inox l\u1edbn: An to\u00e0n thi c\u00f4ng &#038; ch\u1ed1ng bi\u1ebfn d\u1ea1ng<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/keo-dan-chuyen-dung-lien-ket-inox-uu-diem-loai-pho-bien\/\" target=\"_blank\" rel=\"noopener noreferrer\">Keo d\u00e1n chuy\u00ean d\u1ee5ng li\u00ean k\u1ebft inox: \u01afu \u0111i\u1ec3m &#038; lo\u1ea1i ph\u1ed5 bi\u1ebfn<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/lien-ket-inox-bang-bulong-oc-vit-rivet-khi-nao-tot-hon-han\/\" target=\"_blank\" rel=\"noopener noreferrer\">Li\u00ean k\u1ebft inox b\u1eb1ng bulong, \u1ed1c v\u00edt, rivet: Khi n\u00e0o t\u1ed1t h\u01a1n h\u00e0n?<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/huong-dan-chon-que-day-han-inox-dung-mac-308l-316l-309-2209\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u01b0\u1edbng d\u1eabn ch\u1ecdn que, d\u00e2y h\u00e0n Inox \u0111\u00fang m\u00e1c 308L, 316L, 309, 2209<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/xu-ly-moi-han-inox-ly-do-bat-buoc-tay-trang-thu-dong-hoa\/\" target=\"_blank\" rel=\"noopener noreferrer\">X\u1eed l\u00fd m\u1ed1i h\u00e0n Inox: L\u00fd do b\u1eaft bu\u1ed9c, t\u1ea9y tr\u1eafng &#038; th\u1ee5 \u0111\u1ed9ng h\u00f3a<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/10-loi-han-inox-chay-canh-ro-khi-nut-cach-phong-tranh\/\" target=\"_blank\" rel=\"noopener noreferrer\">10 l\u1ed7i h\u00e0n Inox: ch\u00e1y c\u1ea1nh, r\u1ed7 kh\u00ed, n\u1ee9t \u2013 c\u00e1ch ph\u00f2ng tr\u00e1nh<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/han-que-inox-cach-chon-que-han-va-ky-thuat-chuan-cho-nguoi-moi\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u00e0n que Inox: C\u00e1ch ch\u1ecdn que h\u00e0n v\u00e0 k\u1ef9 thu\u1eadt chu\u1ea9n cho ng\u01b0\u1eddi m\u1edbi<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/han-mig-inox-cho-san-xuat-hang-loat-toi-uu-toc-do-va-chi-phi\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u00e0n MIG inox cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t: t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 v\u00e0 chi ph\u00ed<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/han-tig-inox-a-z-ky-thuat-vat-lieu-bu-va-meo-moi-han-ngau\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u00e0n TIG Inox A\u2013Z: K\u1ef9 thu\u1eadt, v\u1eadt li\u1ec7u b\u00f9 v\u00e0 m\u1eb9o m\u1ed1i h\u00e0n ng\u1ea5u<\/a><\/p>\n<\/p>\n<\/div>\n<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-toan-canh-lien-ket-inox-tu-moi-han-chuan-den-lap-d\">To\u00e0n c\u1ea3nh li\u00ean k\u1ebft Inox: t\u1eeb m\u1ed1i h\u00e0n chu\u1ea9n \u0111\u1ebfn l\u1eafp d\u1ef1ng hi\u1ec7u qu\u1ea3<\/a><\/li>\n<li><a href=\"#toc-1-nen-tang-lien-ket-inox-la-gi-va-vi-sao-quan-trong\">N\u1ec1n t\u1ea3ng: Li\u00ean k\u1ebft Inox l\u00e0 g\u00ec v\u00e0 v\u00ec sao quan tr\u1ecdng<\/a><\/li>\n<li><a href=\"#toc-2-nhung-khia-canh-then-chot-khi-thiet-ke-va-thi-cong\">Nh\u1eefng kh\u00eda c\u1ea1nh then ch\u1ed1t khi thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng li\u00ean k\u1ebft Inox<\/a><\/li>\n<li><a href=\"#toc-3-chuyen-de-mo-rong-tu-ky-thuat-han-den-lap-dung-ket\">Chuy\u00ean \u0111\u1ec1 m\u1edf r\u1ed9ng: t\u1eeb k\u1ef9 thu\u1eadt h\u00e0n \u0111\u1ebfn l\u1eafp d\u1ef1ng k\u1ebft c\u1ea5u<\/a><\/li>\n<li><a href=\"#toc-4-ung-dung-thuc-te-va-tu-van-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 t\u01b0 v\u1ea5n chuy\u00ean gia<\/a><\/li>\n<li><a href=\"#toc-5-ket-luan-va-hanh-dong-tiep-theo\">K\u1ebft lu\u1eadn v\u00e0 h\u00e0nh \u0111\u1ed9ng ti\u1ebfp theo<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"toc-0-toan-canh-lien-ket-inox-tu-moi-han-chuan-den-lap-d\">To\u00e0n c\u1ea3nh li\u00ean k\u1ebft Inox: t\u1eeb m\u1ed1i h\u00e0n chu\u1ea9n \u0111\u1ebfn l\u1eafp d\u1ef1ng hi\u1ec7u qu\u1ea3<\/h2>\n<p>Trong ch\u1ebf t\u1ea1o Inox, m\u1ed1i li\u00ean k\u1ebft l\u00e0 \u0111i\u1ec3m quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 k\u00edn, th\u1ea9m m\u1ef9 v\u00e0 c\u1ea3 tu\u1ed5i th\u1ecd ch\u1ed1ng \u0103n m\u00f2n. K\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u, ch\u1ee7 x\u01b0\u1edfng th\u01b0\u1eddng g\u1eb7p ba v\u1ea5n \u0111\u1ec1: ch\u1ecdn sai ph\u01b0\u01a1ng ph\u00e1p (h\u00e0n hay l\u1eafp c\u01a1 kh\u00ed\/keo), ki\u1ec3m so\u00e1t nhi\u1ec7t k\u00e9m g\u00e2y bi\u1ebfn d\u1ea1ng v\u00e0 x\u1ec9n m\u00e0u, v\u00e0 b\u1ecf qua x\u1eed l\u00fd sau h\u00e0n khi\u1ebfn Inox m\u1ea5t kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p h\u1ec7 th\u1ed1ng ki\u1ebfn th\u1ee9c \u201ct\u1eeb A \u0111\u1ebfn Z\u201d v\u1ec1 li\u00ean k\u1ebft Inox: c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u00e0n ph\u1ed5 bi\u1ebfn (TIG, MIG, que), ti\u00eau ch\u00ed ch\u1ecdn v\u1eadt li\u1ec7u b\u00f9 theo m\u00e1c th\u00e9p, ph\u01b0\u01a1ng \u00e1n bu l\u00f4ng\/rivet\/keo khi kh\u00f4ng n\u00ean h\u00e0n, v\u00e0 c\u00e1c nguy\u00ean t\u1eafc l\u1eafp d\u1ef1ng an to\u00e0n, ch\u1ed1ng bi\u1ebfn d\u1ea1ng. B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c quy t\u1eafc th\u1ef1c thi, th\u00f4ng s\u1ed1 tham chi\u1ebfu, v\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u00e0 danh s\u00e1ch l\u1ed7i c\u1ea7n tr\u00e1nh \u2013 \u0111\u1ee7 s\u00e2u \u0111\u1ec3 \u00e1p d\u1ee5ng ngay cho lan can, b\u1ed3n b\u1ec3, khung thi\u1ebft b\u1ecb \u0111\u1ebfn k\u1ebft c\u1ea5u Inox c\u1ee1 l\u1edbn. M\u1ee5c ti\u00eau l\u00e0 gi\u00fap b\u1ea1n ra quy\u1ebft \u0111\u1ecbnh nhanh, thi c\u00f4ng \u0111\u00fang ngay t\u1eeb l\u1ea7n \u0111\u1ea7u, t\u1ed1i \u01b0u chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n<h2 id=\"toc-1-nen-tang-lien-ket-inox-la-gi-va-vi-sao-quan-trong\">N\u1ec1n t\u1ea3ng: Li\u00ean k\u1ebft Inox l\u00e0 g\u00ec v\u00e0 v\u00ec sao quan tr\u1ecdng<\/h2>\n<p>Li\u00ean k\u1ebft Inox g\u1ed3m ba nh\u00f3m ch\u00ednh:<br \/>\n&#8211; H\u00e0n n\u00f3ng ch\u1ea3y (TIG\/GTAW, MIG\/GMAW, SMAW\/h\u00e0n que, FCAW\/flux-cored): t\u1ea1o m\u1ed1i h\u00e0n v\u0129nh c\u1eedu, ch\u1ecbu l\u1ef1c\/\u00e1p v\u00e0 k\u00edn.<br \/>\n&#8211; Li\u00ean k\u1ebft c\u01a1 kh\u00ed (bulong, \u1ed1c v\u00edt, \u0111inh t\u00e1n\/rivet): th\u00e1o l\u1eafp \u0111\u01b0\u1ee3c, ph\u00f9 h\u1ee3p k\u1ebft c\u1ea5u l\u1eafp r\u00e1p, b\u1ea3o tr\u00ec.<br \/>\n&#8211; Li\u00ean k\u1ebft h\u00f3a h\u1ecdc (keo c\u1ea5u tr\u00fac, keo b\u1ecbt k\u00edn): ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t t\u1ed1t tr\u00ean t\u1ea5m m\u1ecfng, gi\u1ea3m nhi\u1ec7t.<\/p>\n<p>T\u1ea7m quan tr\u1ecdng:<br \/>\n&#8211; Hi\u1ec7u n\u0103ng: m\u1ed1i li\u00ean k\u1ebft quy\u1ebft \u0111\u1ecbnh ch\u1ecbu l\u1ef1c, k\u00edn kh\u00ed\/k\u00edn n\u01b0\u1edbc, \u0111\u1ed9 rung\/\u1ed3n.<br \/>\n&#8211; Ch\u1ed1ng \u0103n m\u00f2n: ch\u1ecdn v\u1eadt li\u1ec7u b\u00f9 v\u00e0 x\u1eed l\u00fd sau h\u00e0n \u0111\u00fang gi\u00fap gi\u1eef l\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3, tr\u00e1nh \u0103n m\u00f2n khe\/galvanic.<br \/>\n&#8211; Th\u1ea9m m\u1ef9 v\u00e0 v\u1ec7 sinh: \u0111\u1eb7c bi\u1ec7t trong ki\u1ebfn tr\u00fac, th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m \u2013 y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t s\u00e1ng, s\u1ea1ch, kh\u00f4ng k\u1ebd b\u1ea9n.<br \/>\n&#8211; N\u0103ng su\u1ea5t\/chi ph\u00ed: ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p r\u00fat ng\u1eafn th\u1eddi gian, gi\u1ea3m s\u1eeda ch\u1eefa v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n<h2 id=\"toc-2-nhung-khia-canh-then-chot-khi-thiet-ke-va-thi-cong\">Nh\u1eefng kh\u00eda c\u1ea1nh then ch\u1ed1t khi thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng li\u00ean k\u1ebft Inox<\/h2>\n<h3>1) Ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p li\u00ean k\u1ebft theo y\u00eau c\u1ea7u d\u1ef1 \u00e1n<\/h3>\n<p>&#8211; T\u1ea5m m\u1ecfng, y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 cao: \u01b0u ti\u00ean TIG ho\u1eb7c keo c\u1ea5u tr\u00fac; c\u00f3 back purge cho \u1ed1ng\/b\u1ed3n \u0111\u1ec3 m\u1eb7t trong s\u1ea1ch.<br \/>\n&#8211; S\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, khung\/gi\u00e1 \u0111\u1ee1: MIG xung v\u1edbi d\u00e2y 308LSi\/316LSi t\u0103ng t\u1ed1c, \u00edt b\u1eafn t\u00f3e.<br \/>\n&#8211; K\u1ebft c\u1ea5u th\u00e1o l\u1eafp\/b\u1ea3o tr\u00ec: bulong Inox A2-70\/A4-70, rivet cho t\u1ea5m m\u1ecfng.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n cao (bi\u1ec3n\/h\u00f3a ch\u1ea5t nh\u1eb9): ch\u1ecdn m\u00e1c 316L ho\u1eb7c bulong A4, h\u1ea1n ch\u1ebf m\u1ed1i h\u00e0n kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n<p>V\u00ed d\u1ee5: v\u1ecf m\u00e1y 304 d\u00e0y 1.2 mm ch\u1ecdn TIG, c\u00f2n khung b\u0103ng t\u1ea3i 304 d\u00e0y 3\u20135 mm ch\u1ecdn MIG xung \u0111\u1ec3 t\u0103ng n\u0103ng su\u1ea5t.<\/p>\n<h3>2) Qu\u1ea3n l\u00fd nhi\u1ec7t v\u00e0 bi\u1ebfn d\u1ea1ng<\/h3>\n<p>&#8211; D\u00f9ng \u0111\u1ed3 g\u00e1, h\u00e0n gh\u00e9p \u0111i\u1ec3m \u0111\u1ed1i x\u1ee9ng, k\u1ef9 thu\u1eadt back-step\/staggered.<br \/>\n&#8211; Nhi\u1ec7t \u0111\u1ea7u v\u00e0o v\u1eeba \u0111\u1ee7, \u01b0u ti\u00ean \u0111\u01b0\u1eddng h\u00e0n ng\u1eafn, m\u1ed1i h\u00e0n d\u00e2y (stringer), h\u1ea1n ch\u1ebf ve v\u1ea9y.<br \/>\n&#8211; Ki\u1ec3m so\u00e1t interpass \u2264150 \u00b0C v\u1edbi th\u00e9p austenitic (304\/316) \u0111\u1ec3 h\u1ea1n ch\u1ebf nh\u1ea1y c\u1ea3m h\u00f3a (sensitization).<br \/>\n&#8211; L\u00e0m m\u00e1t t\u1ef1 nhi\u00ean, tr\u00e1nh d\u1ed9i n\u01b0\u1edbc l\u1ea1nh g\u00e2y n\u1ee9t nhi\u1ec7t.<\/p>\n<h3>3) \u0110\u1ea3m b\u1ea3o ch\u1ed1ng \u0103n m\u00f2n sau li\u00ean k\u1ebft<\/h3>\n<p>&#8211; Lo\u1ea1i b\u1ecf m\u00e0u nhi\u1ec7t (heat tint) b\u1eb1ng t\u1ea9y tr\u1eafng\/pickling v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 t\u00e1i t\u1ea1o l\u1edbp oxit crom.<br \/>\n&#8211; Tr\u00e1nh nhi\u1ec5m b\u1ea9n Fe (d\u1ee5ng c\u1ee5 th\u00e9p carbon), d\u00f9ng b\u00e0n ch\u1ea3i Inox ri\u00eang.<br \/>\n&#8211; Ch\u1ecdn v\u1eadt li\u1ec7u b\u00f9 \u201cL\u201d (308L\/316L) \u0111\u1ec3 gi\u1ea3m C, gi\u1ea3m nguy c\u01a1 k\u1ebft t\u1ee7a Cr-carbide.<\/p>\n<h3>4) Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n<\/h3>\n<p>&#8211; Ki\u1ec3m tra VT\/PT cho b\u1ec1 m\u1eb7t; v\u1edbi b\u1ed3n \u00e1p l\u1ef1c c\u00e2n nh\u1eafc RT\/UT theo ti\u00eau chu\u1ea9n.<br \/>\n&#8211; Ghi ch\u00e9p WPS\/PQR, \u0111\u00e0o t\u1ea1o th\u1ee3 theo quy tr\u00ecnh chu\u1ea9n.<br \/>\n&#8211; An to\u00e0n h\u00e0n: th\u00f4ng gi\u00f3, qu\u1ea3n l\u00fd kh\u00ed Argon\/CO2\/O2, PPE, c\u1ea5p ph\u00e9p l\u00e0m vi\u1ec7c n\u00f3ng.<\/p>\n<h3>5) T\u1ed1i \u01b0u chi ph\u00ed s\u1edf h\u1eefu<\/h3>\n<p>&#8211; C\u00e2n \u0111\u1ed1i chi ph\u00ed v\u1eadt t\u01b0 \u2013 th\u1eddi gian \u2013 b\u1ea3o tr\u00ec: v\u00ed d\u1ee5 MIG xung t\u0103ng t\u1ed1c 30\u201350% so v\u1edbi TIG cho khung d\u00e0y, b\u00f9 l\u1ea1i \u00edt c\u00f4ng ho\u00e0n thi\u1ec7n.<\/p>\n<h2 id=\"toc-3-chuyen-de-mo-rong-tu-ky-thuat-han-den-lap-dung-ket\">Chuy\u00ean \u0111\u1ec1 m\u1edf r\u1ed9ng: t\u1eeb k\u1ef9 thu\u1eadt h\u00e0n \u0111\u1ebfn l\u1eafp d\u1ef1ng k\u1ebft c\u1ea5u<\/h2>\n<p>\u0110\u1ed1i v\u1edbi m\u1ed1i h\u00e0n y\u00eau c\u1ea7u s\u1ea1ch, b\u00f3ng v\u00e0 ki\u1ec3m so\u00e1t tuy\u1ec7t \u0111\u1ed1i h\u1ed3 quang tr\u00ean t\u1ea5m m\u1ecfng\/chi ti\u1ebft trang tr\u00ed, TIG l\u00e0 l\u1ef1a ch\u1ecdn s\u1ed1 m\u1ed9t. Vi\u1ec7c ch\u1ecdn \u0111\u01b0\u1eddng k\u00ednh d\u00e2y b\u00f9, g\u00f3c m\u1ecf, l\u01b0u l\u01b0\u1ee3ng Argon v\u00e0 back purge cho \u1ed1ng\/b\u1ed3n quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng m\u1eb7t trong l\u1eabn ngo\u00e0i.<br \/>\n<!-- CLUSTER_PLACEHOLDER_1 --><\/p>\n<p>Khi m\u1ee5c ti\u00eau l\u00e0 t\u1ed1c \u0111\u1ed9 v\u00e0 n\u0103ng su\u1ea5t trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, MIG (\u0111\u1eb7c bi\u1ec7t MIG xung) gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 \u0111\u1eafp, gi\u1ea3m b\u1eafn t\u00f3e v\u00e0 \u1ed5n \u0111\u1ecbnh h\u1ed3 quang, ph\u00f9 h\u1ee3p khung m\u00e1y, gi\u00e1 \u0111\u1ee1 v\u00e0 k\u1ebft c\u1ea5u h\u00e0n d\u00e0i.<br \/>\n<!-- CLUSTER_PLACEHOLDER_2 --><\/p>\n<p>V\u1edbi c\u00f4ng tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi ho\u1eb7c s\u1eeda ch\u1eefa nhanh, h\u00e0n que Inox linh ho\u1ea1t, \u00edt ph\u1ee5 thu\u1ed9c thi\u1ebft b\u1ecb, c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c trong \u0111i\u1ec1u ki\u1ec7n gi\u00f3. M\u1ea5u ch\u1ed1t l\u00e0 ch\u1ecdn \u0111\u00fang lo\u1ea1i thu\u1ed1c b\u1ecdc v\u00e0 \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng\/chi\u1ec1u d\u00e0i h\u1ed3 quang.<br \/>\n<!-- CLUSTER_PLACEHOLDER_3 --><\/p>\n<p>B\u1ea5t k\u1ec3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0o, ki\u1ec3m so\u00e1t l\u1ed7i nh\u01b0 ch\u00e1y c\u1ea1nh, r\u1ed7 kh\u00ed, n\u1ee9t n\u00f3ng\/n\u1ee9t do \u1ee9ng su\u1ea5t l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean b\u1ea3o v\u1ec7 ch\u1ea5t l\u01b0\u1ee3ng. Hi\u1ec3u nguy\u00ean nh\u00e2n g\u1ed1c gi\u00fap b\u1ea1n thi\u1ebft k\u1ebf quy tr\u00ecnh h\u00e0n \u1ed5n \u0111\u1ecbnh.<br \/>\n<!-- CLUSTER_PLACEHOLDER_4 --><\/p>\n<p>X\u1eed l\u00fd sau h\u00e0n kh\u00f4ng ch\u1ec9 \u0111\u1ec3 \u0111\u1eb9p. T\u1ea9y tr\u1eafng, lo\u1ea1i b\u1ecf m\u00e0u nhi\u1ec7t v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng, ng\u0103n \u0103n m\u00f2n k\u1ebd \u2013 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u1edbi b\u1ed3n th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 m\u00f4i tr\u01b0\u1eddng \u1ea9m m\u1eb7n.<br \/>\n<!-- CLUSTER_PLACEHOLDER_5 --><\/p>\n<p>Ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u b\u00f9 theo m\u00e1c n\u1ec1n l\u00e0 \u201cv\u00e9 an to\u00e0n\u201d cho c\u1ea3 c\u01a1 t\u00ednh v\u00e0 ch\u1ed1ng g\u1ec9: 308L cho 304, 316L cho 316, v\u00e0 309L\/312 cho m\u1ed1i h\u00e0n d\u1ecb lo\u1ea1i ho\u1eb7c n\u1ec1n b\u1ea9n\/\u0111\u1ed9 pha lo\u00e3ng cao.<br \/>\n<!-- CLUSTER_PLACEHOLDER_6 --><\/p>\n<p>Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng n\u00ean h\u00e0n. Li\u00ean k\u1ebft b\u1eb1ng bulong, \u1ed1c v\u00edt ho\u1eb7c rivet ph\u00f9 h\u1ee3p chi ti\u1ebft c\u1ea7n th\u00e1o l\u1eafp, ch\u1ed1ng rung, tr\u00e1nh bi\u1ebfn d\u1ea1ng nhi\u1ec7t v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian l\u1eafp t\u1ea1i ch\u1ed7.<br \/>\n<!-- CLUSTER_PLACEHOLDER_7 --><\/p>\n<p>\u1ede m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng t\u1ea5m m\u1ecfng v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n cao, keo c\u1ea5u tr\u00fac\/keo b\u1ecbt k\u00edn cho ph\u00e9p ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t t\u1ed1t, ch\u1ed1ng rung v\u00e0 tr\u00e1nh bi\u1ebfn m\u00e0u do nhi\u1ec7t \u2013 v\u1edbi \u0111i\u1ec1u ki\u1ec7n chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t chu\u1ea9n.<br \/>\n<!-- CLUSTER_PLACEHOLDER_8 --><\/p>\n<p>V\u1edbi k\u1ebft c\u1ea5u Inox c\u1ee1 l\u1edbn, b\u00e0i to\u00e1n kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed1i h\u00e0n \u0111\u1eb9p. Tr\u00ecnh t\u1ef1 l\u1eafp d\u1ef1ng, \u0111\u1ed3 g\u00e1, ch\u1ed1ng bi\u1ebfn d\u1ea1ng t\u1ed5ng th\u1ec3, an to\u00e0n n\u00e2ng c\u1ea9u v\u00e0 ki\u1ec3m so\u00e1t dung sai t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng l\u00e0 ch\u00eca kh\u00f3a.<br \/>\n<!-- CLUSTER_PLACEHOLDER_9 --><\/p>\n<p>Gh\u00e9p Inox v\u1edbi th\u00e9p carbon \u0111\u00f2i h\u1ecfi ch\u1ecdn v\u1eadt li\u1ec7u b\u00f9 c\u00f3 Cr-Ni cao, qu\u1ea3n l\u00fd pha lo\u00e3ng v\u00e0 c\u00e2n nh\u1eafc \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. \u0110\u00e2y l\u00e0 k\u1ecbch b\u1ea3n ph\u1ed5 bi\u1ebfn \u1edf ch\u00e2n \u0111\u1ebf, b\u00edch n\u1ed1i v\u00e0 s\u1eeda ch\u1eefa k\u1ebft c\u1ea5u lai.<br \/>\n<!-- CLUSTER_PLACEHOLDER_10 --><\/p>\n<h2 id=\"toc-4-ung-dung-thuc-te-va-tu-van-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 t\u01b0 v\u1ea5n chuy\u00ean gia<\/h2>\n<p>V\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng:<br \/>\n&#8211; Lan can\/\u1ed1p trang tr\u00ed 304 d\u00e0y 1\u20131.5 mm: TIG DCEN, \u0111i\u1ec7n c\u1ef1c 2.4 mm, Argon 99.99% 8\u201312 l\u00edt\/ph\u00fat; back purge 5\u20138 l\u00edt\/ph\u00fat cho \u1ed1ng; d\u00e2y b\u00f9 308L \u00d81.2\u20131.6 mm.<br \/>\n&#8211; Khung b\u0103ng t\u1ea3i 304 d\u00e0y 3\u20136 mm: MIG xung, d\u00e2y 308LSi \u00d81.0\u20131.2 mm; kh\u00ed 98%Ar\/2%CO2 (ho\u1eb7c Ar+2%O2); t\u1ed1c \u0111\u1ed9 h\u00e0n 2\u20134 l\u1ea7n TIG; m\u00e0i ho\u00e0n thi\u1ec7n t\u1ed1i thi\u1ec3u.<br \/>\n&#8211; B\u1ed3n th\u1ef1c ph\u1ea9m 316L: TIG v\u1edbi back purge, gi\u1eef interpass \u2264100\u2013120 \u00b0C; sau h\u00e0n t\u1ea9y tr\u1eafng v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 \u0111\u1ea1t b\u1ec1 m\u1eb7t v\u1ec7 sinh.<br \/>\n&#8211; K\u1ebft c\u1ea5u ngo\u00e0i bi\u1ec3n: bu l\u00f4ng A4-70, mi\u1ebfng \u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 gi\u1ea3m \u0103n m\u00f2n galvanic; h\u1ea1n ch\u1ebf m\u1ed1i h\u00e0n hi\u1ec7n tr\u01b0\u1eddng.<br \/>\n&#8211; Gh\u00e9p Inox\u2013th\u00e9p th\u01b0\u1eddng: buttering l\u1edbp 309L, c\u00f3 th\u1ec3 preheat nh\u1eb9 ph\u00eda th\u00e9p carbon (50\u2013150 \u00b0C) t\u00f9y chi\u1ec1u d\u00e0y; x\u1eed l\u00fd s\u01a1n b\u1ea3o v\u1ec7 ph\u1ea7n th\u00e9p.<\/p>\n<p>Best practices c\u1ea7n ghi nh\u1edb:<br \/>\n&#8211; Lu\u00f4n t\u00e1ch bi\u1ec7t d\u1ee5ng c\u1ee5 Inox v\u1edbi d\u1ee5ng c\u1ee5 th\u00e9p carbon \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m Fe.<br \/>\n&#8211; Ch\u1ecdn \u201cL-grade\u201d (308L\/316L) cho m\u1ed1i h\u00e0n ch\u1ecbu \u0103n m\u00f2n; d\u00f9ng 309L\/312 cho d\u1ecb lo\u1ea1i.<br \/>\n&#8211; B\u1eaft bu\u1ed9c lo\u1ea1i b\u1ecf heat tint v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n t\u1ea1i c\u00e1c v\u00f9ng ti\u1ebfp x\u00fac m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<br \/>\n&#8211; Thi\u1ebft k\u1ebf \u0111\u1ec3 h\u00e0n \u0111\u1ed1i x\u1ee9ng, ch\u1eb7n bi\u1ebfn d\u1ea1ng b\u1eb1ng g\u00e1 \u0111\u1ee1; th\u1eed l\u1eafp kh\u00f4 tr\u01b0\u1edbc khi ho\u00e0n thi\u1ec7n.<br \/>\n&#8211; T\u00e0i li\u1ec7u h\u00f3a WPS, \u0111\u00e0o t\u1ea1o th\u1ee3 theo PQR; ki\u1ec3m tra PT cho m\u1ed1i h\u00e0n k\u00edn v\u00e0 VT 100% tr\u01b0\u1edbc khi giao.<\/p>\n<p>L\u1ed7i ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh:<br \/>\n&#8211; Kh\u00f4ng back purge khi h\u00e0n \u1ed1ng\/b\u1ed3n d\u1eabn \u0111\u1ebfn r\u1ed7 v\u00e0 \u0103n m\u00f2n m\u1eb7t trong.<br \/>\n&#8211; D\u00f9ng d\u00e2y\/que 308 cho n\u1ec1n 316 g\u00e2y gi\u1ea3m ch\u1ed1ng g\u1ec9 \u1edf m\u00f4i tr\u01b0\u1eddng clorua.<br \/>\n&#8211; B\u1ecf qua t\u1ea9y tr\u1eafng\/th\u1ee5 \u0111\u1ed9ng h\u00f3a, \u0111\u1ec3 l\u1ea1i m\u00e0u nhi\u1ec7t v\u00e0 t\u1ea1p Fe.<br \/>\n&#8211; Ch\u1ecdn bu l\u00f4ng A2 cho v\u00f9ng ven bi\u1ec3n thay v\u00ec A4, g\u00e2y r\u1ec9 s\u00e9t s\u1edbm.<br \/>\n&#8211; Nhi\u1ec7t \u0111\u1ea7u v\u00e0o cao, ve v\u1ea9y r\u1ed9ng l\u00e0m bi\u1ebfn d\u1ea1ng v\u00e0 nh\u1ea1y c\u1ea3m h\u00f3a v\u00f9ng HAZ.<\/p>\n<h2 id=\"toc-5-ket-luan-va-hanh-dong-tiep-theo\">K\u1ebft lu\u1eadn v\u00e0 h\u00e0nh \u0111\u1ed9ng ti\u1ebfp theo<\/h2>\n<p>Li\u00ean k\u1ebft Inox hi\u1ec7u qu\u1ea3 l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p \u0111\u00fang ph\u01b0\u01a1ng ph\u00e1p (h\u00e0n, c\u01a1 kh\u00ed, keo), \u0111\u00fang v\u1eadt li\u1ec7u b\u00f9, ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 x\u1eed l\u00fd sau h\u00e0n chu\u1ea9n. \u00c1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc tr\u00ean gi\u00fap m\u1ed1i h\u00e0n b\u1ec1n, \u0111\u1eb9p, ch\u1ed1ng g\u1ec9 l\u00e2u d\u00e0i, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u n\u0103ng su\u1ea5t l\u1eafp d\u1ef1ng. C\u1ea7n b\u1ea3ng ch\u1ecdn d\u00e2y\/que 308L, 316L, 309L\/312, bu l\u00f4ng A2\/A4 hay t\u01b0 v\u1ea5n WPS cho d\u1ef1 \u00e1n t\u1ea1i H\u00e0 N\u1ed9i v\u00e0 mi\u1ec1n B\u1eafc? H\u00e3y li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt v\u00e0 b\u00e1o gi\u00e1 v\u1eadt t\u01b0 Inox ph\u00f9 h\u1ee3p ngay h\u00f4m nay.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u1ea9m nang chuy\u00ean s\u00e2u v\u1ec1 li\u00ean k\u1ebft Inox: ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p h\u00e0n, v\u1eadt li\u1ec7u b\u00f9, x\u1eed l\u00fd m\u1ed1i h\u00e0n, l\u1eafp d\u1ef1ng v\u00e0 ki\u1ec3m so\u00e1t bi\u1ebfn d\u1ea1ng. D\u00e0nh cho k\u1ef9 s\u01b0, x\u01b0\u1edfng, nh\u00e0 th\u1ea7u.<\/p>\n","protected":false},"author":7,"featured_media":1064,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1388","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\/1388","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=1388"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1388\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1064"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}