{"id":1384,"date":"2025-12-03T00:34:52","date_gmt":"2025-12-02T17:34:52","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/huong-dan-chon-phuong-phap-cat-inox-theo-do-day-do-chinh-xac\/"},"modified":"2025-12-03T00:34:52","modified_gmt":"2025-12-02T17:34:52","slug":"huong-dan-chon-phuong-phap-cat-inox-theo-do-day-do-chinh-xac","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/huong-dan-chon-phuong-phap-cat-inox-theo-do-day-do-chinh-xac\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p c\u1eaft Inox theo \u0111\u1ed9 d\u00e0y &#038; \u0111\u1ed9 ch\u00ednh x\u00e1c"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-tong-quan-nhanh-cac-cong-nghe-cat-inox\">T\u1ed5ng quan nhanh c\u00e1c c\u00f4ng ngh\u1ec7 c\u1eaft Inox<\/a><\/li>\n<li><a href=\"#toc-1-cach-lua-chon-theo-do-day-va-do-chinh-xac-yeu-cau\">C\u00e1ch l\u1ef1a ch\u1ecdn theo \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c y\u00eau c\u1ea7u<\/a><\/li>\n<li><a href=\"#toc-2-dinh-luong-chat-luong-mep-cat-haz-va-dung-sai\">\u0110\u1ecbnh l\u01b0\u1ee3ng ch\u1ea5t l\u01b0\u1ee3ng m\u00e9p c\u1eaft, HAZ v\u00e0 dung sai<\/a><\/li>\n<li><a href=\"#toc-3-anh-huong-cua-mac-thep-va-be-mat\">\u1ea2nh h\u01b0\u1edfng c\u1ee7a m\u00e1c th\u00e9p v\u00e0 b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-4-khi-cat-va-thiet-lap-quan-trong-laserplasmawaterje\">Kh\u00ed c\u1eaft v\u00e0 thi\u1ebft l\u1eadp quan tr\u1ecdng (Laser\/Plasma\/Waterjet)<\/a><\/li>\n<li><a href=\"#toc-5-vi-du-lua-chon-thuc-te\">V\u00ed d\u1ee5 l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-6-kiem-soat-sai-so-va-chat-luong-sau-cat\">Ki\u1ec3m so\u00e1t sai s\u1ed1 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng sau c\u1eaft<\/a><\/li>\n<li><a href=\"#toc-7-chi-phi-tuong-doi-va-nang-suat\">Chi ph\u00ed t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 n\u0103ng su\u1ea5t<\/a><\/li>\n<li><a href=\"#toc-8-checklist-chon-nhanh\">Checklist ch\u1ecdn nhanh<\/a><\/li>\n<li><a href=\"#toc-9-tieu-chuan-va-nguon-tham-khao\">Ti\u00eau chu\u1ea9n v\u00e0 ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ch\u1ecdn \u0111\u00fang ph\u01b0\u01a1ng ph\u00e1p c\u1eaft Inox theo \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c gi\u00fap ki\u1ec3m so\u00e1t chi ph\u00ed, ch\u1ea5t l\u01b0\u1ee3ng m\u00e9p c\u1eaft, h\u1ea1n ch\u1ebf bi\u1ebfn d\u1ea1ng v\u00e0 r\u00fat ng\u1eafn ti\u1ebfn \u0111\u1ed9. B\u00e0i vi\u1ebft n\u00e0y \u0111\u01b0a ra \u201cb\u1ea3n \u0111\u1ed3\u201d l\u1ef1a ch\u1ecdn th\u1ef1c d\u1ee5ng: t\u1eeb t\u1ea5m m\u1ecfng d\u01b0\u1edbi 1 mm \u0111\u1ebfn >20 mm, t\u1eeb dung sai kh\u1eaft khe \u00b10,1 mm \u0111\u1ebfn c\u1eaft th\u00f4, k\u00e8m c\u00e1c l\u01b0u \u00fd v\u1ec1 kh\u00ed c\u1eaft, HAZ (v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t), n\u0103ng su\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n tr\u1ecdng y\u1ebfu trong c\u1ea9m nang gia c\u00f4ng Inox (c\u1eaft, ch\u1ea5n, d\u1eadp, l\u1ed1c), nh\u01b0ng n\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp \u0111\u1ec3 b\u1ea1n tra c\u1ee9u v\u00e0 ra quy\u1ebft \u0111\u1ecbnh ngay.<\/p>\n<h2 id=\"toc-0-tong-quan-nhanh-cac-cong-nghe-cat-inox\">T\u1ed5ng quan nhanh c\u00e1c c\u00f4ng ngh\u1ec7 c\u1eaft Inox<\/h2>\n<p>&#8211; C\u1eaft Laser Fiber (kh\u00ed N2, O2 ho\u1eb7c kh\u00ed n\u00e9n):<br \/>\n  &#8211; D\u1ea3i \u0111\u1ed9 d\u00e0y ph\u00f9 h\u1ee3p: ~0,3\u201316 mm ph\u1ed5 bi\u1ebfn t\u1ea1i x\u01b0\u1edfng; m\u00e1y c\u00f4ng su\u1ea5t l\u1edbn c\u00f3 th\u1ec3 t\u1edbi ~25\u201330 mm.<br \/>\n  &#8211; Dung sai \u0111i\u1ec3n h\u00ecnh: \u00b10,1\u20130,2 mm (\u22643 mm); \u00b10,2\u20130,3 mm (3\u201310 mm); \u00b10,3\u20130,5 mm (>10 mm).<br \/>\n  &#8211; Kerf (r\u1ed9ng r\u00e3nh c\u1eaft): ~0,1\u20130,3 mm. HAZ r\u1ea5t nh\u1ecf (~0,05\u20130,3 mm).<br \/>\n  &#8211; M\u00e9p c\u1eaft s\u1eafc, d\u1ec5 h\u00e0n (\u0111\u1eb7c bi\u1ec7t c\u1eaft N2 kh\u00f4ng oxy h\u00f3a).<br \/>\n  &#8211; T\u1ed1c \u0111\u1ed9 cao, l\u1ed7 nh\u1ecf t\u1edbi x\u1ea5p x\u1ec9 b\u1ec1 d\u00e0y v\u1eadt li\u1ec7u (N2).<br \/>\n&#8211; C\u1eaft Waterjet (tia n\u01b0\u1edbc + h\u1ea1t m\u00e0i):<br \/>\n  &#8211; D\u1ea3i \u0111\u1ed9 d\u00e0y: t\u1eeb l\u00e1 m\u1ecfng t\u1edbi >100 mm; kh\u00f4ng sinh HAZ.<br \/>\n  &#8211; Dung sai: \u00b10,05\u20130,15 mm t\u00f9y ch\u1ea5t l\u01b0\u1ee3ng c\u1eaft v\u00e0 \u0111\u1ed9 d\u00e0y; m\u00e9p ph\u1eb3ng, kh\u00f4ng bi\u1ebfn m\u00e0u.<br \/>\n  &#8211; Kerf: ~0,8\u20131,2 mm; t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n laser.<br \/>\n  &#8211; Ph\u00f9 h\u1ee3p chi ti\u1ebft d\u00e0y, c\u1ea7n ch\u00ednh x\u00e1c v\u00e0 kh\u00f4ng bi\u1ebfn c\u1ee9ng c\u1ea1nh c\u1eaft.<br \/>\n&#8211; C\u1eaft Plasma (HD plasma, kh\u00ed N2\/H35\u2026):<br \/>\n  &#8211; D\u1ea3i \u0111\u1ed9 d\u00e0y: ~3\u201350 mm; n\u0103ng su\u1ea5t cao, chi ph\u00ed th\u1ea5p.<br \/>\n  &#8211; Dung sai: ~\u00b10,5\u20131,0 mm; kerf 1,5\u20132,5 mm; HAZ 0,5\u20132 mm; c\u00f3 x\u1ec9\/bavia.<br \/>\n  &#8211; Th\u00edch h\u1ee3p k\u1ebft c\u1ea5u th\u00e9p Inox d\u00e0y, y\u00eau c\u1ea7u th\u00f4\u2013trung b\u00ecnh ho\u1eb7c c\u00f3 gia c\u00f4ng tinh sau \u0111\u00f3.<br \/>\n&#8211; C\u1eaft ch\u1ea5n\/c\u1eaft t\u00f4n (Shear\/Guillotine):<br \/>\n  &#8211; D\u1ea3i \u0111\u1ed9 d\u00e0y: ~0,5\u201312 mm (t\u00f9y m\u00e1y); ch\u1ec9 c\u1eaft \u0111\u01b0\u1eddng th\u1eb3ng.<br \/>\n  &#8211; Dung sai: ~\u00b10,2\u20130,5 mm; bavia ph\u1ee5 thu\u1ed9c khe h\u1edf dao v\u00e0 \u0111\u1ed9 c\u1ee9ng v\u1eadt li\u1ec7u.<br \/>\n  &#8211; Chi ph\u00ed th\u1ea5p nh\u1ea5t cho c\u1eaft th\u1eb3ng, c\u1eaft ph\u00f4i.<br \/>\n&#8211; \u0110\u1ed9t d\u1eadp\/CNC Turret Punch (khoan, \u0111\u1ed9t l\u1ed7, nibbler):<br \/>\n  &#8211; D\u1ea3i \u0111\u1ed9 d\u00e0y: ~0,5\u20133 mm (\u0111\u1ebfn 4\u20135 mm t\u00f9y m\u00e1y); l\u1ed7, r\u00e3nh, l\u01b0\u1edbi l\u1ed7 h\u00e0ng lo\u1ea1t.<br \/>\n  &#8211; Dung sai: ~\u00b10,1\u20130,2 mm; m\u00e9p c\u00f3 th\u1ec3 c\u00f3 v\u1ebft b\u1eadc\/nibbling.<br \/>\n  &#8211; N\u0103ng su\u1ea5t cao cho t\u1ea5m m\u1ecfng c\u00f3 nhi\u1ec1u l\u1ed7 l\u1eb7p l\u1ea1i.<br \/>\n&#8211; C\u01b0a (c\u01b0a v\u00f2ng, c\u01b0a \u0111\u0129a, c\u01b0a l\u1ea1nh):<br \/>\n  &#8211; D\u1ea3i \u0111\u1ed9 d\u00e0y: thanh, \u1ed1ng, d\u1ea7m; t\u1ea5m d\u00e0y nh\u1ecf l\u1ebb.<br \/>\n  &#8211; Dung sai: ~\u00b10,3\u20130,5 mm; m\u00e9p g\u1ecdn; t\u1ed1c \u0111\u1ed9 v\u1eeba; ph\u00f9 h\u1ee3p c\u1eaft ph\u00f4i thanh\/h\u1ed9p.<br \/>\n&#8211; EDM d\u00e2y (Wire EDM):<br \/>\n  &#8211; D\u1ea3i \u0111\u1ed9 d\u00e0y: chi ti\u1ebft kh\u1ed1i\/\u0111\u1eb7c, \u0111\u1ed9 ch\u00ednh x\u00e1c r\u1ea5t cao (\u00b10,01\u20130,02 mm).<br \/>\n  &#8211; T\u1ed1c \u0111\u1ed9 ch\u1eadm, chi ph\u00ed cao; d\u00f9ng khi y\u00eau c\u1ea7u h\u00ecnh h\u1ecdc tinh vi, k\u00edch th\u01b0\u1edbc si\u00eau chu\u1ea9n.<\/p>\n<h2 id=\"toc-1-cach-lua-chon-theo-do-day-va-do-chinh-xac-yeu-cau\">C\u00e1ch l\u1ef1a ch\u1ecdn theo \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c y\u00eau c\u1ea7u<\/h2>\n<p>H\u00e3y x\u00e1c \u0111\u1ecbnh 3 y\u1ebfu t\u1ed1 theo th\u1ee9 t\u1ef1: 1) \u0110\u1ed9 d\u00e0y t\u1ea5m\/chi ti\u1ebft; 2) Dung sai v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng m\u00e9p c\u1eaft\/weld-ready; 3) S\u1ea3n l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed m\u1ee5c ti\u00eau. Sau \u0111\u00f3 \u0111\u1ed1i chi\u1ebfu b\u1ea3n \u0111\u1ed3 d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<h3>D\u01b0\u1edbi 1 mm (0,3\u20131,0 mm)<\/h3>\n<p>&#8211; Dung sai kh\u1eaft khe (\u00b10,1\u20130,15 mm), b\u1ec1 m\u1eb7t c\u00f3 m\u00e0ng PVC, y\u00eau c\u1ea7u m\u00e9p s\u1ea1ch \u0111\u1ec3 h\u00e0n\/\u0111\u00e1nh b\u00f3ng:<br \/>\n  &#8211; \u01afu ti\u00ean: Laser Fiber d\u00f9ng N2 ho\u1eb7c kh\u00ed n\u00e9n s\u1ea1ch; c\u00f4ng su\u1ea5t 1\u20133 kW l\u00e0 \u0111\u1ee7. B\u1ed1 tr\u00ed lead-in ng\u1eafn, c\u00f4ng su\u1ea5t th\u1ea5p ban \u0111\u1ea7u \u0111\u1ec3 tr\u00e1nh ch\u00e1y m\u00e0ng.<br \/>\n&#8211; Nhi\u1ec1u l\u1ed7 nh\u1ecf, hoa v\u0103n l\u1eb7p l\u1ea1i:<br \/>\n  &#8211; Laser ho\u1eb7c CNC Turret Punch (n\u1ebfu c\u00f3 b\u1ed9 khu\u00f4n t\u01b0\u01a1ng \u1ee9ng) \u0111\u1ec3 t\u1ed1i \u01b0u chu k\u1ef3 v\u00e0 chi ph\u00ed.<br \/>\n&#8211; C\u1eaft th\u1eb3ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn:<br \/>\n  &#8211; Shear\/Guillotine nhanh v\u00e0 r\u1ebb nh\u1ea5t.<\/p>\n<h3>1\u20133 mm<\/h3>\n<p>&#8211; Y\u00eau c\u1ea7u ch\u00ednh x\u00e1c v\u00e0 m\u00e9p s\u1ea1ch, l\u1ed7 nh\u1ecf ~t x 1:<br \/>\n  &#8211; Laser N2 l\u00e0 \u201cchu\u1ea9n\u201d, t\u1ed1c \u0111\u1ed9 cao, bavia r\u1ea5t \u00edt.<br \/>\n&#8211; T\u1ea5m nhi\u1ec1u l\u1ed7 l\u1eb7p l\u1ea1i, d\u1ea1ng \u0111\u1ed9t l\u1ed7 trang tr\u00ed\/tho\u00e1t kh\u00ed:<br \/>\n  &#8211; CNC Turret Punch c\u00f3 th\u1ec3 kinh t\u1ebf h\u01a1n; k\u1ebft h\u1ee3p nibbler t\u1ea1o bi\u00ean d\u1ea1ng, sau \u0111\u00f3 m\u00e0i tinh m\u00e9p.<br \/>\n&#8211; C\u1eaft th\u1eb3ng \u0111\u1ec3 ch\u1ea5n\/gh\u00e9p:<br \/>\n  &#8211; Shear cho \u0111\u01b0\u1eddng th\u1eb3ng; laser khi c\u1ea7n bi\u00ean d\u1ea1ng cong.<\/p>\n<h3>3\u20136 mm<\/h3>\n<p>&#8211; Dung sai \u00b10,2\u20130,3 mm, m\u00e9p h\u00e0n \u0111\u1eb9p:<br \/>\n  &#8211; Laser N2 (m\u00e1y 3\u20136 kW). N\u1ebfu c\u1ea7n kh\u00f4ng \u0111\u1ed5i m\u00e0u, ch\u1ecdn N2; mu\u1ed1n t\u0103ng t\u1ed1c v\u00e0 ch\u1ea5p nh\u1eadn l\u1edbp oxit, th\u1eed O2.<br \/>\n&#8211; Dung sai trung b\u00ecnh, budget h\u1ea1n ch\u1ebf:<br \/>\n  &#8211; Plasma HD v\u1edbi N2\/H35; sau c\u1eaft c\u1ea7n m\u00e0i bavia, x\u1eed l\u00fd HAZ tr\u01b0\u1edbc khi h\u00e0n k\u00edn y\u00eau c\u1ea7u cao.<br \/>\n&#8211; Kh\u00f4ng HAZ, v\u1eadt li\u1ec7u nh\u1ea1y nhi\u1ec7t:<br \/>\n  &#8211; Waterjet, nh\u1ea5t l\u00e0 chi ti\u1ebft \u0111\u00e3 x\u1eed l\u00fd b\u1ec1 m\u1eb7t ho\u1eb7c c\u1ea7n gi\u1eef c\u01a1 t\u00ednh.<\/p>\n<h3>6\u201312 mm<\/h3>\n<p>&#8211; \u0110\u1ed9 ch\u00ednh x\u00e1c trung\u2013cao:<br \/>\n  &#8211; Laser 4\u20138 kW v\u1edbi N2 cho m\u00e9p s\u1ea1ch; ki\u1ec3m so\u00e1t bi\u1ebfn d\u1ea1ng b\u1eb1ng chi\u1ebfn l\u01b0\u1ee3c c\u1eaft xen k\u1ebd.<br \/>\n&#8211; D\u00e0y, c\u1ea7n ti\u1ebft ki\u1ec7m:<br \/>\n  &#8211; Plasma HD; ch\u1ea5p nh\u1eadn dross v\u00e0 HAZ, b\u00f9 b\u1eb1ng gia c\u00f4ng sau.<br \/>\n&#8211; Kh\u00f4ng HAZ\/kh\u00f4ng bi\u1ebfn m\u00e0u:<br \/>\n  &#8211; Waterjet; th\u00edch h\u1ee3p chi ti\u1ebft gh\u00e9p gia c\u00f4ng tinh ho\u1eb7c y\u00eau c\u1ea7u th\u1ea9m m\u1ef9 tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<h3>>12 mm (12\u201330+ mm)<\/h3>\n<p>&#8211; Ch\u00ednh x\u00e1c cao, kh\u00f4ng HAZ:<br \/>\n  &#8211; Waterjet l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n nh\u1ea5t cho Inox d\u00e0y.<br \/>\n&#8211; Kinh t\u1ebf, k\u1ebft c\u1ea5u h\u00e0n\/th\u00f4:<br \/>\n  &#8211; Plasma HD t\u1ed1c \u0111\u1ed9 cao; c\u1ea7n chu\u1ea9n b\u1ecb m\u1ed1i h\u00e0n (m\u00e0i s\u1ea1ch oxit, lo\u1ea1i b\u1ecf HAZ).<br \/>\n&#8211; Laser c\u00f4ng su\u1ea5t l\u1edbn (\u226510\u201320 kW) c\u00f3 th\u1ec3 c\u1eaft Inox t\u1edbi ~25\u201330 mm:<br \/>\n  &#8211; C\u00e2n nh\u1eafc s\u1eb5n c\u00f3 thi\u1ebft b\u1ecb t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng; ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u1ee5 thu\u1ed9c c\u00f4ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng kh\u00ed v\u00e0 th\u1ea5u k\u00ednh.<\/p>\n<h2 id=\"toc-2-dinh-luong-chat-luong-mep-cat-haz-va-dung-sai\">\u0110\u1ecbnh l\u01b0\u1ee3ng ch\u1ea5t l\u01b0\u1ee3ng m\u00e9p c\u1eaft, HAZ v\u00e0 dung sai<\/h2>\n<p>&#8211; Laser Fiber:<br \/>\n  &#8211; Dung sai: \u00b10,1\u20130,2 mm (\u22643 mm), \u00b10,2\u20130,3 mm (3\u201310 mm).<br \/>\n  &#8211; HAZ: r\u1ea5t nh\u1ecf (0,05\u20130,3 mm), \u00edt bi\u1ebfn c\u1ee9ng; m\u00e9p h\u00e0n s\u1ea1ch khi d\u00f9ng N2.<br \/>\n  &#8211; L\u1ed7 nh\u1ecf: \u2248 1\u00d7 b\u1ec1 d\u00e0y (v\u1edbi N2), nh\u1ecf h\u01a1n s\u1ebd kh\u00f3 \u1ed5n \u0111\u1ecbnh x\u1ec9 v\u00e0 dao \u0111\u1ed9ng ch\u00f9m.<br \/>\n&#8211; Waterjet:<br \/>\n  &#8211; Dung sai: \u00b10,05\u20130,15 mm (t\u00f9y ch\u1ea5t l\u01b0\u1ee3ng c\u1eaft Q1\u2013Q5 v\u00e0 d\u00e0y).<br \/>\n  &#8211; HAZ: kh\u00f4ng c\u00f3; nh\u01b0ng c\u00f3 \u0111\u1ed9 c\u00f4n nh\u1eb9 n\u1ebfu kh\u00f4ng d\u00f9ng b\u00f9 c\u00f4n (taper compensation).<br \/>\n&#8211; Plasma:<br \/>\n  &#8211; Dung sai: \u00b10,5\u20131,0 mm; m\u00e9p c\u00f3 x\u1ec9, HAZ 0,5\u20132 mm; kerf l\u1edbn 1,5\u20132,5 mm.<br \/>\n  &#8211; L\u1ed7 nh\u1ecf: th\u01b0\u1eddng \u22651,5\u00d7 b\u1ec1 d\u00e0y \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh h\u1ed3 quang.<br \/>\n&#8211; Shear:<br \/>\n  &#8211; Dung sai: \u00b10,2\u20130,5 mm; ch\u1ec9 \u00e1p d\u1ee5ng \u0111\u01b0\u1eddng th\u1eb3ng; bavia ph\u1ee5 thu\u1ed9c khe h\u1edf dao (blade clearance).<br \/>\n&#8211; Turret Punch:<br \/>\n  &#8211; Dung sai: \u00b10,1\u20130,2 mm; m\u00e9p c\u00f3 th\u1ec3 c\u00f3 v\u1ebft nibbler; l\u1ed7 tr\u00f2n theo c\u1ee1 ch\u00e0y\/c\u1ed1i.<br \/>\n&#8211; EDM d\u00e2y:<br \/>\n  &#8211; Dung sai: \u00b10,01\u20130,02 mm; m\u00e9p r\u1ea5t s\u1ea1ch; chi ph\u00ed cao v\u00e0 th\u1eddi gian l\u00e2u.<\/p>\n<h2 id=\"toc-3-anh-huong-cua-mac-thep-va-be-mat\">\u1ea2nh h\u01b0\u1edfng c\u1ee7a m\u00e1c th\u00e9p v\u00e0 b\u1ec1 m\u1eb7t<\/h2>\n<p>&#8211; M\u00e1c th\u00e9p: 304\/316 c\u1eaft \u201c\u0111\u1ea7m\u201d h\u01a1n 201; 316 c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p h\u01a1n n\u00ean HAZ h\u1eb9p nh\u01b0ng c\u1eaft ch\u1eadm h\u01a1n \u0111\u00f4i ch\u00fat. Th\u00e9p c\u1ee9ng (duplex) kh\u00f3 c\u1eaft h\u01a1n, d\u1ec5 m\u00f2n d\u1ee5ng c\u1ee5.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: BA\/2B\/No.4\/HL v\u1edbi film PVC n\u00ean d\u00f9ng N2 ho\u1eb7c kh\u00ed n\u00e9n s\u1ea1ch khi c\u1eaft laser \u0111\u1ec3 tr\u00e1nh oxy h\u00f3a v\u00e0 ch\u00e1y m\u00e0ng.<br \/>\n&#8211; Ph\u1ea3n x\u1ea1: Inox ph\u1ea3n x\u1ea1 t\u1ed1t; laser Fiber \u00edt nh\u1ea1y ph\u1ea3n x\u1ea1 h\u01a1n CO2, \u0111\u1eb7c bi\u1ec7t khi b\u1eaft \u0111\u1ea7u c\u1eaft (piercing).<br \/>\n&#8211; T\u1eeb t\u00ednh: Inox feritic\/martensitic c\u00f3 th\u1ec3 h\u00fat phoi; ch\u00fa \u00fd v\u1ec7 sinh \u0111\u01b0\u1eddng quang\/\u0111\u1ea7u c\u1eaft.<\/p>\n<h2 id=\"toc-4-khi-cat-va-thiet-lap-quan-trong-laserplasmawaterje\">Kh\u00ed c\u1eaft v\u00e0 thi\u1ebft l\u1eadp quan tr\u1ecdng (Laser\/Plasma\/Waterjet)<\/h2>\n<p>&#8211; Laser:<br \/>\n  &#8211; N2: m\u00e9p b\u1ea1c, kh\u00f4ng oxit, h\u00e0n \u0111\u1eb9p; t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n O2 nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng cao.<br \/>\n  &#8211; O2: nhanh h\u01a1n, m\u00e9p c\u00f3 oxit m\u00e0u; c\u1ea7n m\u00e0i\/\u0111\u00e1nh s\u1ea1ch tr\u01b0\u1edbc khi h\u00e0n inox th\u1ea9m m\u1ef9.<br \/>\n  &#8211; Kh\u00ed n\u00e9n: chi ph\u00ed th\u1ea5p, ch\u1ea5t l\u01b0\u1ee3ng gi\u1eefa N2 v\u00e0 O2; ph\u00f9 h\u1ee3p h\u00e0ng k\u1ebft c\u1ea5u\/chi ph\u00ed t\u1ed1i \u01b0u.<br \/>\n  &#8211; Th\u00f4ng s\u1ed1 c\u1ed1t l\u00f5i: ti\u00eau \u0111i\u1ec3m (focus), \u00e1p su\u1ea5t kh\u00ed, c\u00f4ng su\u1ea5t\/pulse, lead-in\/out, micro-joint \u0111\u1ec3 ch\u1ed1ng l\u1eadt chi ti\u1ebft.<br \/>\n&#8211; Plasma:<br \/>\n  &#8211; D\u00f9ng N2, H35 (65% Ar + 35% H2) cho Inox d\u00e0y \u0111\u1ec3 m\u00e9p s\u00e1ng h\u01a1n; ki\u1ec3m so\u00e1t chi\u1ec1u cao \u0111\u00e8n c\u1eaft, t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 gi\u1ea3m dross.<br \/>\n&#8211; Waterjet:<br \/>\n  &#8211; H\u1ea1t m\u00e0i garnet 80# ph\u1ed5 bi\u1ebfn; ch\u1ecdn ch\u1ebf \u0111\u1ed9 b\u00f9 c\u00f4n khi c\u1ea7n dung sai \u2264\u00b10,15 mm; gi\u1eef b\u1ec1 m\u1eb7t s\u1ea1ch \u0111\u1ec3 kh\u00f4ng x\u01b0\u1edbc.<\/p>\n<h2 id=\"toc-5-vi-du-lua-chon-thuc-te\">V\u00ed d\u1ee5 l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf<\/h2>\n<p>&#8211; 1) \u1ed0p trang tr\u00ed 304, d\u00e0y 0,8 mm, b\u1ec1 m\u1eb7t No.4 + m\u00e0ng PVC, hoa v\u0103n chi ti\u1ebft, dung sai \u00b10,15 mm:<br \/>\n  &#8211; Ch\u1ecdn Laser N2, c\u00f4ng su\u1ea5t 1\u20132 kW, nozzle nh\u1ecf, pierce m\u1ec1m; m\u00e9p s\u1ea1ch, kh\u00f4ng ch\u00e1y m\u00e0ng; g\u1ea7n nh\u01b0 kh\u00f4ng c\u1ea7n m\u00e0i.<br \/>\n&#8211; 2) B\u1ea3n m\u00e3 304, d\u00e0y 10 mm, y\u00eau c\u1ea7u h\u00e0n g\u00f3c \u0111\u1eb9p, dung sai \u00b10,3 mm:<br \/>\n  &#8211; Laser N2 6\u20138 kW n\u1ebfu c\u00f3; n\u1ebfu kh\u00f4ng, Waterjet \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng HAZ; tr\u00e1nh Plasma v\u00ec c\u1ea7n nhi\u1ec1u c\u00f4ng MRO tr\u01b0\u1edbc h\u00e0n.<br \/>\n&#8211; 3) M\u00e2m b\u00edch 316L, d\u00e0y 20 mm, l\u1ed7 bul\u00f4ng ch\u00ednh x\u00e1c, kh\u00f4ng bi\u1ebfn m\u00e0u:<br \/>\n  &#8211; Waterjet v\u1edbi b\u00f9 c\u00f4n; khoan doa tinh l\u1ed7 n\u1ebfu c\u1ea7n dung sai l\u1ed7 <\u00b10,05 mm.\n- 4) S\u00e0n thao t\u00e1c Inox 3 mm c\u00f3 l\u01b0\u1edbi l\u1ed7 d\u00e0y \u0111\u1eb7c, s\u1ed1 l\u01b0\u1ee3ng l\u1edbn:\n  - CNC Turret Punch kinh t\u1ebf; sau \u0111\u1ed9t, m\u00e0i s\u01a1 m\u00e9p l\u1ed7 v\u00e0 \u0111\u00e1nh x\u01b0\u1edbc l\u1ea1i m\u1eb7t.\n- 5) C\u1eaft ph\u00f4i \u1ed1ng\/h\u1ed9p Inox \u0111\u1ec3 h\u00e0n khung, dung sai \u00b10,5 mm:\n  - C\u01b0a v\u00f2ng\/c\u01b0a \u0111\u0129a; n\u1ebfu c\u1ea7n v\u00e1t m\u00e9p h\u00e0n, d\u00f9ng c\u01b0a k\u00e8m ti\u1ec7n v\u00e1t ho\u1eb7c plasma k\u00e8m g\u00e1 v\u00e1t.\n\n\n\n<h2 id=\"toc-6-kiem-soat-sai-so-va-chat-luong-sau-cat\">Ki\u1ec3m so\u00e1t sai s\u1ed1 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng sau c\u1eaft<\/h2>\n<p>&#8211; Nesting t\u1ed1i \u01b0u: gi\u1eef kho\u1ea3ng c\u00e1ch chi ti\u1ebft h\u1ee3p l\u00fd (kerf + 0,5\u20131,0 mm) \u0111\u1ec3 h\u1ea1n ch\u1ebf ch\u00e1y c\u1ea1nh, tr\u00e1nh cong v\u00eanh do nhi\u1ec7t.<br \/>\n&#8211; Tr\u00ecnh t\u1ef1 c\u1eaft: xen k\u1ebd v\u00f9ng v\u00e0 c\u1eaft chi ti\u1ebft nh\u1ecf sau c\u00f9ng \u0111\u1ec3 gi\u1ea3m t\u00edch nhi\u1ec7t (laser\/plasma).<br \/>\n&#8211; B\u00f9 kerf v\u00e0 b\u00e1n k\u00ednh g\u00f3c: khai b\u00e1o ch\u00ednh x\u00e1c kerf v\u00e0o CAM \u0111\u1ec3 \u0111\u1ea1t k\u00edch th\u01b0\u1edbc danh ngh\u0129a, d\u00f9ng corner slowdown \u0111\u1ec3 tr\u00e1nh \u201cch\u00e1y g\u00f3c\u201d.<br \/>\n&#8211; X\u1eed l\u00fd sau c\u1eaft:<br \/>\n  &#8211; Laser\/Plasma: lo\u1ea1i b\u1ecf bavia, m\u00e0i s\u1ea1ch oxit (\u0111\u1eb7c bi\u1ec7t khi h\u00e0n Inox y\u00eau c\u1ea7u th\u1ea9m m\u1ef9), th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation) n\u1ebfu c\u1ea7n.<br \/>\n  &#8211; Waterjet: th\u01b0\u1eddng ch\u1ec9 c\u1ea7n v\u00e9t bavia nh\u1eb9; r\u1eeda s\u1ea1ch c\u1eb7n h\u1ea1t m\u00e0i.<br \/>\n&#8211; Ki\u1ec3m so\u00e1t dung sai: \u0111o m\u1eabu theo l\u00f4, hi\u1ec7u ch\u1ec9nh b\u00f9 nhi\u1ec7t\/kerf \u1edf ph\u1ea7n m\u1ec1m khi th\u1ea5y sai l\u1ec7ch h\u1ec7 th\u1ed1ng.<\/p>\n<h2 id=\"toc-7-chi-phi-tuong-doi-va-nang-suat\">Chi ph\u00ed t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 n\u0103ng su\u1ea5t<\/h2>\n<p>&#8211; Shear: r\u1ebb nh\u1ea5t cho \u0111\u01b0\u1eddng th\u1eb3ng; \u0111\u1ea7u t\u01b0 th\u1ea5p, t\u1ed1c \u0111\u1ed9 cao.<br \/>\n&#8211; Laser: chi ph\u00ed trung b\u00ecnh\/chi ti\u1ebft; n\u0103ng su\u1ea5t cao, ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u nh\u1edd nesting s\u00e1t; ph\u00f9 h\u1ee3p 0,3\u201316 mm.<br \/>\n&#8211; Plasma: chi ph\u00ed th\u1ea5p m\u1ed7i m\u00e9t c\u1eaft cho d\u00e0y >6 mm; b\u00f9 chi ph\u00ed ho\u00e0n thi\u1ec7n m\u00e9p.<br \/>\n&#8211; Waterjet: chi ph\u00ed cao nh\u1ea5t m\u1ed7i m\u00e9t c\u1eaft; b\u00f9 l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh phi nhi\u1ec7t; d\u00f9ng cho d\u00e0y, ch\u00ednh x\u00e1c, v\u1eadt li\u1ec7u nh\u1ea1y nhi\u1ec7t.<br \/>\n&#8211; Turret Punch: c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 v\u1edbi l\u1ed7 l\u1eb7p l\u1ea1i; chi ph\u00ed khu\u00f4n v\u00e0 thi\u1ebft l\u1eadp c\u1ea7n c\u00e2n nh\u1eafc theo s\u1ea3n l\u01b0\u1ee3ng.<\/p>\n<h2 id=\"toc-8-checklist-chon-nhanh\">Checklist ch\u1ecdn nhanh<\/h2>\n<p>&#8211; C\u1ea7n m\u00e9p h\u00e0n s\u1ea1ch, dung sai ch\u1eb7t (\u00b10,1\u20130,3 mm), d\u00e0y \u226412\u201316 mm: Laser N2.<br \/>\n&#8211; V\u1eadt li\u1ec7u d\u00e0y >12 mm, kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 HAZ\/bi\u1ebfn m\u00e0u: Waterjet.<br \/>\n&#8211; K\u1ebft c\u1ea5u d\u00e0y, \u01b0u ti\u00ean n\u0103ng su\u1ea5t\/chi ph\u00ed, ch\u1ea5p nh\u1eadn ho\u00e0n thi\u1ec7n sau: Plasma HD.<br \/>\n&#8211; \u0110\u01b0\u1eddng th\u1eb3ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn: Shear.<br \/>\n&#8211; T\u1ea5m m\u1ecfng nhi\u1ec1u l\u1ed7 l\u1eb7p: CNC Turret Punch.<br \/>\n&#8211; Si\u00eau ch\u00ednh x\u00e1c, h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p, l\u01b0\u1ee3ng nh\u1ecf: EDM d\u00e2y.<\/p>\n<h2 id=\"toc-9-tieu-chuan-va-nguon-tham-khao\">Ti\u00eau chu\u1ea9n v\u00e0 ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; ISO 9013:2017 \u2013 Quality classification for thermal cutting (\u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1eaft nhi\u1ec7t).<br \/>\n&#8211; TRUMPF \u2013 Laser Cutting Guide (khuy\u1ebfn ngh\u1ecb th\u00f4ng s\u1ed1 v\u00e0 gi\u1edbi h\u1ea1n \u0111\u1ed9 d\u00e0y th\u1ef1c t\u1ebf).<br \/>\n&#8211; Bystronic \u2013 Application knowledge for fiber laser cutting stainless steel.<br \/>\n&#8211; Hypertherm \u2013 Cutting stainless steel with high-definition plasma (kh\u00ed c\u1eaft v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng m\u00e9p).<br \/>\n&#8211; OMAX\/Hypertherm Waterjet \u2013 Tolerance, kerf and taper compensation in abrasive waterjet cutting.<br \/>\n&#8211; SSINA \u2013 Designer\u2019s Handbook for Stainless Steel Fabrication (h\u00e0n v\u00e0 ho\u00e0n thi\u1ec7n m\u00e9p c\u1eaft).<\/p>\n<p>G\u1ee3i \u00fd: ti\u00eau chu\u1ea9n v\u00e0 h\u01b0\u1edbng d\u1eabn nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u1ea3i t\u1eeb trang ch\u00ednh h\u00e3ng (trumpf.com, bystronic.com, hypertherm.com, omax.com, ssina.com).<\/p>\n<h2 id=\"toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; Laser N2 l\u00e0 l\u1ef1a ch\u1ecdn \u201cm\u1eb7c \u0111\u1ecbnh\u201d cho Inox t\u1ea5m t\u1eeb m\u1ecfng \u0111\u1ebfn trung b\u00ecnh (\u22480,3\u201316 mm) khi \u01b0u ti\u00ean m\u00e9p s\u1ea1ch v\u00e0 dung sai ch\u1eb7t.<br \/>\n&#8211; Waterjet l\u00e0 \u201cv\u0169 kh\u00ed chi\u1ebfn l\u01b0\u1ee3c\u201d cho t\u1ea5m d\u00e0y v\u00e0 chi ti\u1ebft \u0111\u00f2i h\u1ecfi kh\u00f4ng HAZ, m\u00e9p chu\u1ea9n h\u00e0n\/ho\u00e0n thi\u1ec7n cao.<br \/>\n&#8211; Plasma HD t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 t\u1ed1c \u0111\u1ed9 cho k\u1ebft c\u1ea5u d\u00e0y, ch\u1ea5p nh\u1eadn ho\u00e0n thi\u1ec7n m\u00e9p.<br \/>\n&#8211; Shear ph\u00f9 h\u1ee3p c\u1eaft th\u1eb3ng r\u1ebb\u2013nhanh; Turret Punch hi\u1ec7u qu\u1ea3 v\u1edbi l\u1ed7 l\u1eb7p l\u1ea1i tr\u00ean t\u1ea5m m\u1ecfng.<br \/>\n&#8211; L\u1ef1a ch\u1ecdn \u0111\u00fang theo \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c y\u00eau c\u1ea7u s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed t\u1ed5ng, th\u1eddi gian v\u00e0 r\u1ee7i ro trong h\u00e0n l\u1eafp.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n theo b\u1ea3n v\u1ebd c\u1ee5 th\u1ec3, v\u1eadt li\u1ec7u v\u00e0 ti\u1ebfn \u0111\u1ed9 c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb c\u00f4ng ngh\u1ec7 v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t.<br \/>\nContact Inox Cuong Thinh for more advice and the best price. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea3n \u0111\u1ed3 l\u1ef1a ch\u1ecdn c\u1eaft Inox theo \u0111\u1ed9 d\u00e0y v\u00e0 dung sai: laser, waterjet, plasma, ch\u1ea5n\/c\u1eaft t\u00f4n, \u0111\u1ed9t d\u1eadp. K\u00e8m th\u00f4ng s\u1ed1, ch\u1ea5t l\u01b0\u1ee3ng m\u00e9p c\u1eaft v\u00e0 chi ph\u00ed tham kh\u1ea3o.<\/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-1384","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\/1384","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=1384"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1384\/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=1384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}