{"id":5002,"date":"2026-01-23T10:00:06","date_gmt":"2026-01-23T01:00:06","guid":{"rendered":"https:\/\/ohtavn.com\/?post_type=media&#038;p=5002"},"modified":"2026-01-21T19:53:51","modified_gmt":"2026-01-21T10:53:51","slug":"screws-that-can-be-used-in-special-environments","status":"publish","type":"media","link":"https:\/\/ohtavn.com\/vi\/media\/screws-that-can-be-used-in-special-environments\/","title":{"rendered":"\u1ed0c v\u00edt d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t: S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n"},"content":{"rendered":"<div class=\"ProseMirror\" contenteditable=\"true\" translate=\"no\">\n<h3>L\u1eddi m\u1edf \u0111\u1ea7u<\/h3>\n<p>B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p nh\u1eefng ki\u1ebfn th\u1ee9c th\u1ef1c t\u1ebf cho c\u00e1c k\u1ef9 s\u01b0 v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn \u1ed1c v\u00edt \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 trong c\u00e1c thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn, \u00f4 t\u00f4 v\u00e0 nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m.<br \/>\nB\u00e0i vi\u1ebft t\u1ed5ng quan v\u1ec1 c\u00e1c r\u1ee7i ro v\u00e0 bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, h\u00f3a ch\u1ea5t, n\u01b0\u1edbc m\u1eb7n v\u00e0 ch\u00e2n kh\u00f4ng, bao g\u1ed3m v\u1eadt li\u1ec7u, x\u1eed l\u00fd b\u1ec1 m\u1eb7t, ti\u00eau chu\u1ea9n v\u00e0 qu\u1ea3n l\u00fd m\u00f4-men xo\u1eafn. T\u1eadp trung v\u00e0o &#8220;kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a \u1ed1c v\u00edt&#8221; v\u00e0 &#8220;kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a \u1ed1c v\u00edt&#8221;. \u0110\u1ed3ng th\u1eddi, b\u00e0i vi\u1ebft c\u0169ng tr\u00ecnh b\u00e0y c\u00e1c \u0111i\u1ec3m ch\u00ednh \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c mua s\u1eafm t\u1ea1i Vi\u1ec7t Nam. Ngo\u00e0i ra, c\u00e1c kh\u00eda c\u1ea1nh v\u1eadn h\u00e0nh nh\u01b0 tr\u00e1nh k\u1eb9t ren, truy xu\u1ea5t hi\u1ec7u chu\u1ea9n, v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u si\u1ebft b\u1eb1ng IoT c\u0169ng \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn, d\u1ec5 \u00e1p d\u1ee5ng.<\/p>\n<h3>Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u00e0 xu h\u01b0\u1edbng m\u1edbi nh\u1ea5t v\u1ec1 \u1ed1c v\u00edt ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n<\/h3>\n<h4>Ba y\u1ebfu t\u1ed1 ch\u00ednh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng<\/h4>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn \u1ed1c v\u00edt ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp d\u1ef1a tr\u00ean ba \u0111i\u1ec3m:<br \/>\n\u2460 nhi\u1ec7t \u0111\u1ed9 v\u00e0 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng (oxy h\u00f3a, kh\u1eed, ch\u00e2n kh\u00f4ng, h\u00f3a ch\u1ea5t),<br \/>\n\u2461 t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc (l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, rung \u0111\u1ed9ng, va \u0111\u1eadp)<br \/>\n\u2462 v\u1eadt li\u1ec7u v\u00e0 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t.<br \/>\nC\u00e1ch ti\u1ebfp c\u1eadn c\u01a1 b\u1ea3n l\u00e0 tr\u01b0\u1edbc ti\u00ean x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u00e0 n\u00f3 s\u1ebd ti\u1ebfp x\u00fac, sau \u0111\u00f3 l\u00e0m r\u00f5 l\u1ef1c d\u1ecdc tr\u1ee5c y\u00eau c\u1ea7u v\u00e0 t\u1ea7n su\u1ea5t th\u00e1o l\u1eafp.<\/p>\n<h4>M\u1ed1i quan h\u1ec7 gi\u1eefa m\u00f4-men xo\u1eafn v\u00e0 nhi\u1ec7t \u0111\u1ed9 (\u0110i\u1ec3m m\u1ea5u ch\u1ed1t trong thi\u1ebft k\u1ebf)<\/h4>\n<p>Trong c\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n T = K\u30fbF\u30fbd<br \/>\n(trong \u0111\u00f3 K l\u00e0 h\u1ec7 s\u1ed1 \u0111ai \u1ed1c), K thay \u0111\u1ed5i theo ch\u1ea5t b\u00f4i tr\u01a1n, l\u1edbp ph\u1ee7, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t v\u00e0 nhi\u1ec7t \u0111\u1ed9.<br \/>\n\u1ede nhi\u1ec7t \u0111\u1ed9 cao, l\u1ef1c d\u1ecdc tr\u1ee5c c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m do ch\u00eanh l\u1ec7ch gi\u00e3n n\u1edf nhi\u1ec7t v\u00e0 r\u00e3o, c\u1ed9ng v\u1edbi s\u1ef1 suy gi\u1ea3m c\u1ee7a ch\u1ea5t b\u00f4i tr\u01a1n. C\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 hi\u1ec7u qu\u1ea3 bao g\u1ed3m s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 ma s\u00e1t th\u1ea5p (PTFE\/DLC, v.v.), m\u1ee1 b\u00f4i tr\u01a1n t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao, s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t g\u00f3c si\u1ebft v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch si\u1ebft l\u1ea1i sau c\u00e1c chu k\u1ef3 nhi\u1ec7t.<\/p>\n<h4>C\u01a1 ch\u1ebf v\u00e0 r\u1ee7i ro \u0103n m\u00f2n<\/h4>\n<p>\u0102n m\u00f2n ch\u1ee7 y\u1ebfu xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng r\u1ed7, \u0103n m\u00f2n k\u1ebd h\u1edf v\u00e0 n\u1ee9t do \u0103n m\u00f2n \u1ee9ng su\u1ea5t (\u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng Cl\u207b).<br \/>\n&#8211; Trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng, c\u00e1c th\u00e1ch th\u1ee9c bao g\u1ed3m \u00f4 nhi\u1ec5m b\u1ec1 m\u1eb7t v\u00e0 r\u00f2 r\u1ec9 \u1ea3o.<br \/>\n&#8211; V\u1edbi h\u00f3a ch\u1ea5t, c\u00e1c v\u1ea5n \u0111\u1ec1 l\u00e0 s\u1ef1 r\u1eeda tr\u00f4i v\u1eadt li\u1ec7u v\u00e0 gi\u00f2n hydro.<br \/>\n&#8211; Trong n\u01b0\u1edbc bi\u1ec3n, \u1ea3nh h\u01b0\u1edfng c\u1ee7a clorua l\u00e0 m\u1ed9t m\u1ed1i quan t\u00e2m l\u1edbn.<\/p>\n<p>Ngo\u00e0i vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p (316L\/duplex\/h\u1ee3p kim Ni\/Ti\/PEEK), c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro th\u00f4ng qua th\u1ee5 \u0111\u1ed9ng h\u00f3a, \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a, v\u00e0 thi\u1ebft k\u1ebf gio\u0103ng v\u00e0 l\u1ed7 tho\u00e1t kh\u00ed ph\u00f9 h\u1ee3p.<\/p>\n<h4>Xu h\u01b0\u1edbng m\u1edbi nh\u1ea5t trong c\u00e1c l\u0129nh v\u1ef1c<\/h4>\n<ul>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a theo v\u1ecb tr\u00ed<\/strong>: Xu h\u01b0\u1edbng &#8220;t\u1ed1i \u01b0u h\u00f3a h\u1ed7n h\u1ee3p&#8221; \u0111ang ph\u00e1t tri\u1ec3n, s\u1eed d\u1ee5ng h\u1ee3p kim g\u1ed1c Ni cho c\u00e1c b\u1ed9 ph\u1eadn nhi\u1ec7t \u0111\u1ed9 cao, th\u00e9p kh\u00f4ng g\u1ec9 duplex ho\u1eb7c Ti cho c\u00e1c khu v\u1ef1c n\u01b0\u1edbc n\u00f3ng v\u00e0 n\u01b0\u1edbc bi\u1ec3n, v\u00e0 316L cho c\u00e1c b\u1ed9 ph\u1eadn th\u00f4ng th\u01b0\u1eddng.<\/li>\n<li><strong>Ch\u1ed1ng k\u1eb9t ren<\/strong>: Nguy c\u01a1 k\u1eb9t \u0111\u01b0\u1ee3c gi\u1ea3m b\u1edbt b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c l\u1edbp ph\u1ee7 ma s\u00e1t th\u1ea5p nh\u01b0 DLC\/CrN v\u00e0 PTFE, k\u1ebft h\u1ee3p v\u1edbi t\u1ed1c \u0111\u1ed9 si\u1ebft v\u00e0 b\u00f4i tr\u01a1n th\u00edch h\u1ee3p.<\/li>\n<li><strong>Ti\u00eau chu\u1ea9n h\u00f3a kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi ch\u00e2n kh\u00f4ng<\/strong>: Th\u1eddi gian b\u01a1m h\u00fat ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn v\u00e0 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m l\u1ea1i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u1ed1c v\u00edt c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i, \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a v\u00e0 l\u00e0m s\u1ea1ch ch\u00ednh x\u00e1c.<\/li>\n<li><strong>V\u1eadn h\u00e0nh c\u00f3 th\u1ec3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/strong>: C\u1edd l\u00ea l\u1ef1c th\u00f4ng minh \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi qu\u1ea3n l\u00fd hi\u1ec7u chu\u1ea9n \u0111\u1ec3 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u si\u1ebft cho vi\u1ec7c ki\u1ec3m to\u00e1n ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<h4>C\u00e1c \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd khi\u00a0 t\u1ea1i Vi\u1ec7t Nam<\/h4>\n<p>\u0110\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u0111a ch\u1ee7ng lo\u1ea1i \u2013 s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf, Vi\u1ec7t Nam c\u00f3 l\u1ee3i th\u1ebf chuy\u1ec3n \u0111\u1ed5i linh ho\u1ea1t trong c\u00f4ng \u0111o\u1ea1n (v\u1eadt li\u1ec7u \u2013 x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u2013 l\u00e0m s\u1ea1ch \u2013 \u0111\u00f3ng g\u00f3i). C\u00f3 th\u1ec3 thay th\u1ebf theo t\u1eebng b\u01b0\u1edbc t\u1eeb SUS \u2192 h\u1ee3p kim n\u1ec1n Ni \u2192 Ti\/PEEK \u0111\u1ec3 tr\u00e1nh ch\u1ea5t l\u01b0\u1ee3ng v\u01b0\u1ee3t m\u1ee9c c\u1ea7n thi\u1ebft, \u0111\u1ed3ng th\u1eddi t\u1ed1i thi\u1ec3u h\u00f3a LCC (t\u1eeb \u0111\u1ea7u t\u01b0 \u2013 b\u1ea3o tr\u00ec \u2013 t\u00e1i thu mua).<\/p>\n<h3>Thi\u1ebft k\u1ebf t\u1ed1i \u01b0u v\u00e0 qu\u1ea3n l\u00fd m\u00f4-men xo\u1eafn v\u1edbi v\u1eadt li\u1ec7u, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 ti\u00eau chu\u1ea9n (JIS\/ISO)<\/h3>\n<h4>Nguy\u00ean t\u1eafc l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/h4>\n<p>Trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn b\u1eb1ng &#8220;t\u1ed1i \u01b0u h\u00f3a c\u1ee5c b\u1ed9&#8221; theo nhi\u1ec7t \u0111\u1ed9, m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc.<br \/>\n&#8211; \u0110\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh oxy h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao, s\u1eed d\u1ee5ng SUS309\/310.<br \/>\n&#8211; \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng l\u00ean \u0111\u1ebfn 700\u00b0C y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n cao, ch\u1ecdn h\u1ee3p kim g\u1ed1c Ni (Inconel 625\/718, v.v.).<br \/>\n&#8211; \u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc bi\u1ec3n ho\u1eb7c h\u00f3a ch\u1ea5t, s\u1eed d\u1ee5ng SUS316L\/duplex (2205, v.v.) ho\u1eb7c Ti.<br \/>\n&#8211; \u0110\u1ed1i v\u1edbi nhu c\u1ea7u c\u00e1ch \u0111i\u1ec7n, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t, PEEK \u0111\u01b0\u1ee3c \u01b0u ti\u00ean.<\/p>\n<p>\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ed1i ti\u1ebfp \u0111\u1ec3 ng\u0103n ng\u1eeba \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a do ti\u1ebfp x\u00fac kim lo\u1ea1i kh\u00e1c lo\u1ea1i.<\/p>\n<h5>Ma tr\u1eadn \u0111\u01a1n gi\u1ea3n<\/h5>\n<table>\n<tbody>\n<tr>\n<td><strong>M\u00f4i tr\u01b0\u1eddng\/Y\u00eau c\u1ea7u<\/strong><\/td>\n<td><strong>V\u1eadt li\u1ec7u \u0111\u1ec1 xu\u1ea5t<\/strong><\/td>\n<td><strong>Ghi ch\u00fa thi\u1ebft k\u1ebf<\/strong><\/td>\n<\/tr>\n<tr>\n<td>800-1,100\u00b0C, Kh\u00f4ng kh\u00ed<\/td>\n<td>SUS309\/310<\/td>\n<td>Duy tr\u00ec l\u1edbp m\u00e0ng oxit, thi\u1ebft k\u1ebf d\u1ef1 ph\u00f2ng \u0111\u1ed9 gi\u00e3n n\u1edf c\u00f3 t\u00ednh \u0111\u1ebfn ch\u00eanh l\u1ec7ch gi\u00e3n n\u1edf nhi\u1ec7t.<\/td>\n<\/tr>\n<tr>\n<td>L\u00ean \u0111\u1ebfn 700\u00b0C, \u0110\u1ed9 b\u1ec1n cao + Ch\u1ed1ng \u0103n m\u00f2n<\/td>\n<td>Inconel 718\/625<\/td>\n<td>C\u00e1c bi\u1ec7n ph\u00e1p k\u1ebft h\u1ee3p ch\u1ed1ng r\u00e3o, oxy h\u00f3a v\u00e0 clorua.<\/td>\n<\/tr>\n<tr>\n<td>N\u01b0\u1edbc bi\u1ec3n, T\u00e1c h\u1ea1i c\u1ee7a mu\u1ed1i<\/td>\n<td>SUS316L\/Duplex, Ti<\/td>\n<td>C\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng \u0103n m\u00f2n r\u1ed7 v\u00e0 k\u1ebd h\u1edf, s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi v\u00f2ng \u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n.<\/td>\n<\/tr>\n<tr>\n<td>H\u00f3a ch\u1ea5t, Kh\u00f4ng t\u1eeb t\u00ednh, Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9<\/td>\n<td>PEEK\/G\u1ed1m<\/td>\n<td>S\u1eed d\u1ee5ng chi\u1ec1u d\u00e0i \u0103n kh\u1edbp ren d\u00e0i h\u01a1n, l\u01b0u \u00fd \u0111\u1ebfn bi\u1ebfn d\u1ea1ng nhi\u1ec7t.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>S\u1eed d\u1ee5ng ch\u1ecdn l\u1ecdc c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 ho\u00e0n thi\u1ec7n<\/h4>\n<ul>\n<li><strong>Th\u1ee5 \u0111\u1ed9ng h\u00f3a (v\u00ed d\u1ee5: t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ASTM A967)<\/strong>: T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf s\u1eaft t\u1ef1 do v\u00e0 c\u1ee7ng c\u1ed1 l\u1edbp m\u00e0ng th\u1ee5 \u0111\u1ed9ng. C\u0169ng c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch khi nh\u1eadn h\u00e0ng.<\/li>\n<li><strong>\u0110\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a<\/strong>: Gi\u1ea3m s\u1ef1 b\u00e1m d\u00ednh c\u1ee7a b\u1ee5i b\u1ea9n v\u00e0 k\u1eb9t ren b\u1eb1ng c\u00e1ch l\u00e0m m\u1ecbn b\u1ec1 m\u1eb7t. Hi\u1ec7u qu\u1ea3 cho kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch trong c\u00e1c \u1ee9ng d\u1ee5ng ch\u00e2n kh\u00f4ng, th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/li>\n<li><strong>L\u1edbp ph\u1ee7 ma s\u00e1t th\u1ea5p (PTFE\/PFA\/PEEK)<\/strong>: H\u1ea1n ch\u1ebf s\u1ef1 thay \u0111\u1ed5i m\u00f4-men xo\u1eafn v\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t. Ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ec3 s\u1eed d\u1ee5ng li\u00ean t\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li><strong>L\u1edbp ph\u1ee7 PVD (DLC\/CrN, v.v.)<\/strong>: Ch\u1ed1ng k\u1eb9t v\u00e0 m\u00e0i m\u00f2n, th\u00edch h\u1ee3p cho vi\u1ec7c th\u00e1o l\u1eafp l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. \u00c1p d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn tr\u01b0\u1ee3t v\u00e0 bu l\u00f4ng ch\u1ecbu t\u1ea3i cao.<\/li>\n<li><strong>L\u01b0u \u00fd<\/strong>: M\u1ea1 k\u1ebdm kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, axit m\u1ea1nh ho\u1eb7c ki\u1ec1m m\u1ea1nh. Tr\u00e1nh s\u1eed d\u1ee5ng ngo\u00e0i c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00e3 \u0111\u1ecbnh.<\/li>\n<\/ul>\n<h4>Ti\u00eau chu\u1ea9n v\u00e0 ki\u1ec3m tra nghi\u1ec7m thu (T\u1eadp trung v\u00e0o JIS\/ISO)<\/h4>\n<ul>\n<li><strong>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/strong>: \u0110\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, x\u00e1c nh\u1eadn c\u1ea5p \u0111\u1ed9 b\u1ec1n v\u00e0 k\u00fd hi\u1ec7u v\u1eadt li\u1ec7u theo ISO 3506\/JIS B 1054. \u0110\u1ed1i v\u1edbi h\u1ee3p kim g\u1ed1c Ni v\u00e0 Ti, c\u00e1c ti\u00eau chu\u1ea9n JIS\/ISO \u00e1p d\u1ee5ng c\u00f2n h\u1ea1n ch\u1ebf, v\u00ec v\u1eady h\u00e3y ch\u1ec9 \u0111\u1ecbnh ch\u00fang c\u00f9ng v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 c\u00e1c b\u1ea3ng ti\u00eau chu\u1ea9n ASTM\/ASME.<\/li>\n<li><strong>\u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/strong>: S\u1eed d\u1ee5ng ISO 9227 (th\u1eed nghi\u1ec7m phun mu\u1ed1i) nh\u01b0 m\u1ed9t &#8220;ch\u1ec9 s\u1ed1 \u0111\u00e1nh gi\u00e1 so s\u00e1nh v\u00e0 QC&#8221;, nh\u01b0ng tr\u00e1nh chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp sang tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf. K\u1ebft h\u1ee3p v\u1edbi c\u00e1c th\u1eed nghi\u1ec7m ph\u01a1i nhi\u1ec5m ho\u1eb7c th\u1eed nghi\u1ec7m h\u00f3a ch\u1ea5t c\u1ee5 th\u1ec3 khi c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/strong>: Bao g\u1ed3m l\u00f4 nhi\u1ec7t\/ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u, ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u, tu\u00e2n th\u1ee7 RoHS\/REACH v\u00e0 ch\u1ee9ng nh\u1eadn x\u1eed l\u00fd b\u1ec1 m\u1eb7t (\u0111i\u1ec1u ki\u1ec7n th\u1ee5 \u0111\u1ed9ng h\u00f3a\/\u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a) trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt giao h\u00e0ng.<\/li>\n<\/ul>\n<h4>Qu\u1ea3n l\u00fd m\u00f4-men xo\u1eafn th\u1ef1c t\u1ebf<\/h4>\n<p>D\u1ef1a tr\u00ean c\u00f4ng th\u1ee9c <strong>T = K\u30fbF\u30fbd<\/strong>, m\u00f4-men xo\u1eafn m\u1ee5c ti\u00eau T \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u1eeb l\u1ef1c d\u1ecdc tr\u1ee5c mong mu\u1ed1n F. V\u00ec K (h\u1ec7 s\u1ed1 \u0111ai \u1ed1c) thay \u0111\u1ed5i theo ch\u1ea5t b\u00f4i tr\u01a1n, l\u1edbp ph\u1ee7, \u0111\u1ed9 nh\u00e1m v\u00e0 nhi\u1ec7t \u0111\u1ed9, n\u00ean <strong>th\u1eed nghi\u1ec7m t\u01b0\u01a1ng quan v\u1edbi bu l\u00f4ng th\u1ef1c t\u1ebf<\/strong> \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb.<\/p>\n<ul>\n<li><strong>X\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb K<\/strong>: V\u1edbi ch\u1ea5t b\u00f4i tr\u01a1n, l\u1edbp ph\u1ee7 v\u00e0 t\u1ed1c \u0111\u1ed9 si\u1ebft \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, \u0111o t\u01b0\u01a1ng quan T-F cho n\u22655 \u0111\u1ec3 \u0111\u1eb7t gi\u00e1 tr\u1ecb ki\u1ec3m so\u00e1t t\u1eeb K trung b\u00ecnh v\u00e0 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n.<\/li>\n<li><strong>S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t g\u00f3c si\u1ebft<\/strong>: \u0110\u1ed1i v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i c\u00f3 gio\u0103ng ho\u1eb7c n\u01a1i c\u00f3 lo ng\u1ea1i v\u1ec1 vi\u1ec7c gi\u1ea3m l\u1ef1c d\u1ecdc tr\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 cao, h\u00e3y h\u1ea1n ch\u1ebf s\u1ef1 thay \u0111\u1ed5i b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng m\u1ed9t m\u00f4-men xo\u1eafn s\u01a1 b\u1ed9 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh sau \u0111\u00f3 l\u00e0 si\u1ebft ki\u1ec3m so\u00e1t g\u00f3c.<\/li>\n<li><strong>Ch\u00ednh s\u00e1ch si\u1ebft l\u1ea1i<\/strong>: D\u1ef1a tr\u00ean l\u1ef1c d\u1ecdc tr\u1ee5c c\u00f2n l\u1ea1i sau khi th\u1eed nghi\u1ec7m chu k\u1ef3 nhi\u1ec7t, x\u00e1c \u0111\u1ecbnh xem c\u00f3 th\u1ef1c hi\u1ec7n si\u1ebft l\u1ea1i sau l\u1ea7n b\u1eadt ngu\u1ed3n\/gia nhi\u1ec7t ban \u0111\u1ea7u hay kh\u00f4ng.<\/li>\n<li><strong>Hi\u1ec7u chu\u1ea9n d\u1ee5ng c\u1ee5<\/strong>: D\u1ee5ng c\u1ee5 c\u1ea7m tay \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3 theo ISO 6789. \u0110\u1ed1i v\u1edbi d\u1ee5ng c\u1ee5 \u0111i\u1ec7n, l\u01b0u l\u1ea1i nh\u1eadt k\u00fd m\u00f4-men xo\u1eafn\/g\u00f3c\/t\u1ed1c \u0111\u1ed9 quay v\u00e0 li\u00ean k\u1ebft ch\u00fang v\u1edbi ID c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/li>\n<li><strong>Ti\u00eau chu\u1ea9n h\u00f3a quy tr\u00ecnh l\u00e0m vi\u1ec7c<\/strong>: Ti\u00eau chu\u1ea9n h\u00f3a quy tr\u00ecnh: l\u00e0m s\u1ea1ch ren v\u00e0 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac \u2192 b\u00f4i m\u1ed9t l\u1edbp m\u1ecfng ch\u1ea5t b\u00f4i tr\u01a1n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u2192 si\u1ebft \u1edf t\u1ed1c \u0111\u1ed9 quay b\u1eb1ng ho\u1eb7c th\u1ea5p h\u01a1n t\u1ed1c \u0111\u1ed9 quy \u0111\u1ecbnh \u2192 \u0111\u00e1nh d\u1ea5u \u2192 ghi l\u1ea1i.<\/li>\n<\/ul>\n<h4>Nh\u1eefng c\u1ea1m b\u1eaby trong thi\u1ebft k\u1ebf v\u00e0 bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3<\/h4>\n<ul>\n<li><strong>K\u1eb9t ren<\/strong>: Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic d\u1ec5 b\u1ecb k\u1eb9t. H\u1ea1n ch\u1ebf \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch gh\u00e9p c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c lo\u1ea1i, l\u1edbp ph\u1ee7 DLC\/PTFE v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 si\u1ebft.<\/li>\n<li><strong>Chi\u1ec1u d\u00e0i \u0103n kh\u1edbp ren kh\u00f4ng \u0111\u1ee7<\/strong>: \u0110\u1eb7t m\u1ee5c ti\u00eau \u22651.0d cho kim lo\u1ea1i-kim lo\u1ea1i v\u00e0 1.5-2.0d cho v\u1eadt li\u1ec7u \u0111\u1ed1i ti\u1ebfp l\u00e0 nh\u1ef1a ho\u1eb7c m\u1ec1m. \u0110\u1ed3ng th\u1eddi, ki\u1ec3m tra \u00e1p su\u1ea5t ch\u1ecbu l\u1ef1c tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/li>\n<li><strong>L\u1ecfng l\u1ebbo<\/strong>: \u0110ai \u1ed1c nylon kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao. S\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i, \u0111ai \u1ed1c \u0111\u00f4i ho\u1eb7c v\u00f2ng \u0111\u1ec7m l\u00f2 xo, v\u00e0 \u0111\u1ea3m b\u1ea3o l\u1ef1c d\u1ecdc tr\u1ee5c b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t g\u00f3c si\u1ebft.<\/li>\n<li><strong>\u0102n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/strong>: Trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc bi\u1ec3n ho\u1eb7c \u1ea9m \u01b0\u1edbt, tr\u00e1nh ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c kim lo\u1ea1i kh\u00e1c lo\u1ea1i. N\u1ebfu c\u1ea7n, s\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1eadt li\u1ec7u l\u00e0m k\u00edn.<\/li>\n<\/ul>\n<h4>M\u1eabu th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt (Tr\u00edch \u0111o\u1ea1n)<\/h4>\n<ul>\n<li>V\u1eadt li\u1ec7u: SUS310S \/ Inconel 718 \/ SUS316L \/ Ti Gr.2, v.v. (ch\u1ec9 \u0111\u1ecbnh theo b\u1ed9 ph\u1eadn)<\/li>\n<li>B\u1ec1 m\u1eb7t: Th\u1ee5 \u0111\u1ed9ng h\u00f3a (\u0111i\u1ec1u ki\u1ec7n), \u0110\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a (gi\u1edbi h\u1ea1n Ra), L\u1edbp ph\u1ee7 DLC\/CrN ho\u1eb7c PTFE (\u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7, h\u1ec7 s\u1ed1 ma s\u00e1t)<\/li>\n<li>M\u00f4-men xo\u1eafn: L\u1ef1c d\u1ecdc tr\u1ee5c m\u1ee5c ti\u00eau, gi\u00e1 tr\u1ecb K, lo\u1ea1i ch\u1ea5t b\u00f4i tr\u01a1n, t\u1ed1c \u0111\u1ed9 si\u1ebft, \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m so\u00e1t g\u00f3c si\u1ebft<\/li>\n<li>Ki\u1ec3m tra: K\u00edch th\u01b0\u1edbc, d\u01b0\u1ee1ng ren, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t, s\u1ed1 gi\u1edd phun mu\u1ed1i (\u0111\u1ec3 so s\u00e1nh), h\u1ed3 s\u01a1 hi\u1ec7u chu\u1ea9n d\u1ee5ng c\u1ee5<\/li>\n<li>Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c: L\u00f4, ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u00e0m s\u1ea1ch v\u00e0 \u0111\u00f3ng g\u00f3i (m\u1ee9c \u0111\u1ed9 s\u1ea1ch)<\/li>\n<\/ul>\n<h4>C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n<ul>\n<li>R\u00f2 r\u1ec9 m\u1eb7c d\u00f9 \u0111\u00e3 qua ki\u1ec3m tra m\u00f4-men xo\u1eafn: Xem l\u1ea1i \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u00e0 l\u1ef1a ch\u1ecdn gio\u0103ng, chuy\u1ec3n sang ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t g\u00f3c si\u1ebft.<\/li>\n<li>\u0102n m\u00f2n s\u1edbm: Do c\u1eb7n l\u00e0m s\u1ea1ch ho\u1eb7c mu\u1ed1i chuy\u1ec3n sang. Ng\u0103n ng\u1eeba t\u00e1i ph\u00e1t b\u1eb1ng c\u00e1ch \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a, l\u00e0m s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc tinh khi\u1ebft v\u00e0 \u0111\u00f3ng g\u00f3i ri\u00eang l\u1ebb.<\/li>\n<li>G\u00e3y bul\u00f4ng, \u1ed1c v\u00edt: Do \u0111\u00e1nh gi\u00e1 th\u1ea5p gi\u00e1 tr\u1ecb K ho\u1eb7c t\u1ed1c \u0111\u1ed9 si\u1ebft qu\u00e1 m\u1ee9c. Kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1c th\u1eed nghi\u1ec7m t\u01b0\u01a1ng quan t\u1ea1i ch\u1ed7 v\u00e0 qu\u1ea3n l\u00fd t\u1ed1c \u0111\u1ed9 quay.<\/li>\n<\/ul>\n<h3>T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c thu mua t\u1ea1i Vi\u1ec7t Nam v\u00e0 v\u1eadn h\u00e0nh t\u1ea1i ch\u1ed7: Gi\u1ea3i ph\u00e1p \u1ed1c v\u00edt c\u1ee7a Ohta<\/h3>\n<h4>T\u1ea1i sao thu mua t\u1ea1i Vi\u1ec7t Nam l\u1ea1i c\u00f3 l\u1ee3i th\u1ebf (S\u1ea3n xu\u1ea5t \u0111a d\u1ea1ng ch\u1ee7ng lo\u1ea1i, s\u1ed1 l\u01b0\u1ee3ng \u00edt \u00d7 T\u1ea1o m\u1eabu nhanh)<\/h4>\n<p>Vi\u1ec7t Nam cho ph\u00e9p xoay v\u00f2ng nhanh t\u1eeb \u0111\u1ed3 g\u00e1 \u2013 x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u2013 l\u00e0m s\u1ea1ch &amp; \u0111\u00f3ng g\u00f3i ngay t\u1ea1i ch\u1ed7, r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u \u00edt s\u1ed1 l\u01b0\u1ee3ng, \u0111a ch\u1ee7ng lo\u1ea1i, th\u1eddi gian giao ng\u1eafn.<br \/>\nOhta Vi\u1ec7t Nam cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n, cung c\u1ea5p c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n (SUS310\/Inconel\/Ti\/PEEK, v.v.) v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 bao g\u1ed3m th\u1ee5 \u0111\u1ed9ng h\u00f3a, \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a, ph\u1ee7 DLC\/PTFE, l\u00e0m s\u1ea1ch t\u01b0\u01a1ng th\u00edch UHV v\u00e0 \u0111\u00f3ng g\u00f3i ri\u00eang l\u1ebb (c\u00f3 ch\u1ea5t h\u00fat \u1ea9m\/ni\u00eam phong nit\u01a1). Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c xuy\u00ean su\u1ed1t quy tr\u00ecnh c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o th\u00f4ng qua ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u, theo d\u00f5i l\u00f4 v\u00e0 kh\u1eafc laser.<\/p>\n<h4>Quy tr\u00ecnh tri\u1ec3n khai t\u1ea1i ch\u1ed7 (T\u1ea1o m\u1eabu \u2192 S\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t \u2192 V\u1eadn h\u00e0nh)<\/h4>\n<ol>\n<li><strong>X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u<\/strong>: Ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh c\u00e1c bu\u1ed5i l\u1ea5y \u00fd ki\u1ebfn v\u1ec1 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9, m\u00f4i tr\u01b0\u1eddng (n\u01b0\u1edbc bi\u1ec3n, h\u00f3a ch\u1ea5t, ch\u00e2n kh\u00f4ng), t\u1ea7n su\u1ea5t th\u00e1o l\u1eafp v\u00e0 ph\u01b0\u01a1ng ph\u00e1p si\u1ebft (m\u00f4-men xo\u1eafn\/g\u00f3c).<\/li>\n<li><strong>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/strong>: Ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n &#8220;t\u1ed1i \u01b0u h\u00f3a h\u1ed7n h\u1ee3p&#8221; SUS\/h\u1ee3p kim Ni\/Ti\/nh\u1ef1a cho t\u1eebng b\u1ed9 ph\u1eadn, \u0111\u1ed3ng th\u1eddi \u0111\u00e1nh gi\u00e1 r\u1ee7i ro k\u1eb9t ren v\u00e0 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<\/li>\n<li><strong>Th\u1eed nghi\u1ec7m t\u01b0\u01a1ng quan<\/strong>: Ch\u00fang t\u00f4i \u0111o gi\u00e1 tr\u1ecb K (trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u00f4i tr\u01a1n, l\u1edbp ph\u1ee7 v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3) b\u1eb1ng bu l\u00f4ng th\u1ef1c t\u1ebf \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u00f4-men xo\u1eafn c\u00e0i \u0111\u1eb7t cho l\u1ef1c d\u1ecdc tr\u1ee5c m\u1ee5c ti\u00eau.<\/li>\n<li><strong>Kh\u1edfi \u0111\u1ed9ng s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t<\/strong>: Ch\u00fang t\u00f4i thi\u1ebft l\u1eadp SLA cho c\u00e1c ti\u00eau ch\u00ed \u0111\u1ea1t (Ra, \u0111\u1ed9 s\u1ea1ch, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7, h\u1ec7 s\u1ed1 ma s\u00e1t) v\u00e0 x\u00e1c \u0111\u1ecbnh chu k\u1ef3 hi\u1ec7u chu\u1ea9n cho c\u00e1c d\u01b0\u1ee1ng ki\u1ec3m tra v\u00e0 d\u1ee5ng c\u1ee5 si\u1ebft l\u1ef1c.<\/li>\n<li><strong>\u0110\u00e0o t\u1ea1o v\u00e0 Ti\u00eau chu\u1ea9n h\u00f3a<\/strong>: Ch\u00fang t\u00f4i cung c\u1ea5p s\u1ed5 tay quy tr\u00ecnh l\u00e0m vi\u1ec7c (l\u00e0m s\u1ea1ch \u2192 b\u00f4i tr\u01a1n \u2192 si\u1ebft \u2192 \u0111\u00e1nh d\u1ea5u \u2192 ghi l\u1ea1i) v\u00e0 ti\u1ebfn h\u00e0nh \u0111\u00e0o t\u1ea1o t\u1ea1i ch\u1ed7.<\/li>\n<li><strong>C\u1ea3i ti\u1ebfn v\u1eadn h\u00e0nh<\/strong>: Ch\u00fang t\u00f4i ph\u00e2n t\u00edch nh\u1eadt k\u00fd l\u1ed7i b\u1eb1ng SPC v\u00e0 li\u00ean t\u1ee5c \u0111\u1ec1 xu\u1ea5t c\u00e1c c\u1ea3i ti\u1ebfn nh\u01b0 thay \u0111\u1ed5i v\u1eadt li\u1ec7u, s\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 ho\u1eb7c \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t g\u00f3c si\u1ebft.<\/li>\n<\/ol>\n<h4>Qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c (Tu\u00e2n th\u1ee7 ki\u1ec3m to\u00e1n)<\/h4>\n<ul>\n<li><strong>B\u1ed9 ch\u1ee9ng t\u1eeb<\/strong>: Ch\u00fang t\u00f4i cung c\u1ea5p m\u1ed9t b\u1ed9 t\u00e0i li\u1ec7u ho\u00e0n ch\u1ec9nh bao g\u1ed3m ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u, tu\u00e2n th\u1ee7 RoHS\/REACH, ch\u1ee9ng nh\u1eadn x\u1eed l\u00fd b\u1ec1 m\u1eb7t (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng A967\/\u0111i\u1ec1u ki\u1ec7n \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a), th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u00e0m s\u1ea1ch\/\u0111\u00f3ng g\u00f3i v\u00e0 h\u1ed3 s\u01a1 hi\u1ec7u chu\u1ea9n d\u1ee5ng c\u1ee5 (ISO 6789).<\/li>\n<li><strong>Theo d\u00f5i l\u00f4<\/strong>: Ch\u00fang t\u00f4i li\u00ean k\u1ebft c\u00e1c d\u1ea5u kh\u1eafc laser v\u1edbi nh\u00e3n \u0111\u00f3ng g\u00f3i, cho ph\u00e9p theo d\u00f5i \u0111\u1ebfn t\u1eebng b\u1ed9 ph\u1eadn, gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn v\u00e0 ID c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/li>\n<li><strong>T\u01b0\u01a1ng th\u00edch v\u1edbi ch\u00e2n kh\u00f4ng v\u00e0 h\u00f3a ch\u1ea5t<\/strong>: \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng UHV, ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n t\u1ea9y d\u1ea7u m\u1ee1 \u2192 l\u00e0m s\u1ea1ch si\u00eau \u00e2m \u2192 r\u1eeda b\u1eb1ng n\u01b0\u1edbc tinh khi\u1ebft \u2192 s\u1ea5y kh\u00f4 \u2192 \u0111\u00f3ng g\u00f3i s\u1ea1ch. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng h\u00f3a ch\u1ea5t, ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 c\u00e1c th\u1eed nghi\u1ec7m chi\u1ebft xu\u1ea5t v\u00e0 qu\u1ea3n l\u00fd r\u1eeda tr\u00f4i.<\/li>\n<\/ul>\n<h4>T\u1ed1i \u01b0u h\u00f3a h\u1eadu c\u1ea7n v\u00e0 t\u1ed3n kho (VMI \/ MTO \/ S\u1eafp x\u1ebfp kh\u1ea9n c\u1ea5p)<\/h4>\n<table>\n<tbody>\n<tr>\n<td><strong>M\u00f4 h\u00ecnh<\/strong><\/td>\n<td><strong>\u0110\u1eb7c \u0111i\u1ec3m<\/strong><\/td>\n<td><strong>Khi n\u00e0o s\u1eed d\u1ee5ng<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>VMI (T\u1ed3n kho k\u00fd g\u1eedi do nh\u00e0 cung c\u1ea5p qu\u1ea3n l\u00fd)<\/strong><\/td>\n<td>H\u1ea5p th\u1ee5 bi\u1ebfn \u0111\u1ed9ng nhu c\u1ea7u b\u1eb1ng kho h\u00e0ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng, b\u1ed5 sung s\u1ed1 l\u01b0\u1ee3ng c\u1ed1 \u0111\u1ecbnh.<\/td>\n<td>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1eb7t h\u00e0ng ti\u00eau chu\u1ea9n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn chung tr\u00ean nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m.<\/td>\n<\/tr>\n<tr>\n<td><strong>MTO (S\u1ea3n xu\u1ea5t theo \u0111\u01a1n \u0111\u1eb7t h\u00e0ng)<\/strong><\/td>\n<td>T\u1ed1i \u01b0u h\u00f3a v\u1eadt li\u1ec7u, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u00e0m s\u1ea1ch cho m\u1ed7i \u0111\u01a1n h\u00e0ng.<\/td>\n<td>\u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh, \u0111a d\u1ea1ng ch\u1ee7ng lo\u1ea1i s\u1ed1 l\u01b0\u1ee3ng \u00edt ho\u1eb7c th\u01b0\u1eddng xuy\u00ean thay \u0111\u1ed5i.<\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1eafp x\u1ebfp kh\u1ea9n c\u1ea5p<\/strong><\/td>\n<td>Ph\u1ee5c h\u1ed3i trong v\u00f2ng 24-72 gi\u1edd b\u1eb1ng v\u1eadt li\u1ec7u thay th\u1ebf ho\u1eb7c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u1ea1m th\u1eddi.<\/td>\n<td>Khi vi\u1ec7c tr\u00e1nh ng\u1eebng d\u00e2y chuy\u1ec1n l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ch\u00fang t\u00f4i gi\u1ea3m thi\u1ec3u th\u1eddi gian giao h\u00e0ng v\u00e0 t\u1ed5ng chi ph\u00ed b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ecdn l\u1ecdc Incoterms (FOB\/CIF\/DDP) v\u00e0 c\u00e1c chuy\u1ebfn giao h\u00e0ng milk run.<\/p>\n<h4>M\u1eabu th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 \u0111\u01a1n \u0111\u1eb7t h\u00e0ng (Sao ch\u00e9p v\u00e0 s\u1eed d\u1ee5ng ngay)<\/h4>\n<ul>\n<li><strong>M\u1eb7t h\u00e0ng<\/strong>: Bul\u00f4ng l\u1ee5c gi\u00e1c M8\u00d725 (v\u00ed d\u1ee5) \/ Ren JIS 6g \/ B\u1ec1 m\u1eb7t Ra\u22640.8 \u03bcm<\/li>\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: Inconel 718 (b\u1ed9 ph\u1eadn m\u1eb7t b\u00edch) \/ SUS316L (b\u1ed9 ph\u1eadn th\u00f4ng th\u01b0\u1eddng)<\/li>\n<li><strong>B\u1ec1 m\u1eb7t<\/strong>: Th\u1ee5 \u0111\u1ed9ng h\u00f3a, \u0110\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a, L\u1edbp ph\u1ee7 PTFE (h\u1ec7 s\u1ed1 ma s\u00e1t 0.10\u00b10.02 \/ \u0111\u1ed9 d\u00e0y 8\u201312 \u03bcm)<\/li>\n<li><strong>L\u00e0m s\u1ea1ch &amp; \u0110\u00f3ng g\u00f3i<\/strong>: T\u01b0\u01a1ng th\u00edch UHV (t\u1ea9y d\u1ea7u m\u1ee1 \u2192 n\u01b0\u1edbc tinh khi\u1ebft \u2192 \u0111\u00f3ng g\u00f3i s\u1ea1ch \/ g\u00f3i ri\u00eang l\u1ebb \/ c\u00f3 ch\u1ea5t h\u00fat \u1ea9m)<\/li>\n<li><strong>Qu\u1ea3n l\u00fd m\u00f4-men xo\u1eafn<\/strong>: L\u1ef1c d\u1ecdc tr\u1ee5c m\u1ee5c ti\u00eau X kN, K=0.12 (gi\u00e1 tr\u1ecb th\u1eed nghi\u1ec7m), ch\u1ec9 \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m so\u00e1t g\u00f3c si\u1ebft + si\u1ebft l\u1ea1i<\/li>\n<li><strong>Ki\u1ec3m tra<\/strong>: K\u00edch th\u01b0\u1edbc, d\u01b0\u1ee1ng ren, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t, phun mu\u1ed1i (\u0111\u1ec3 so s\u00e1nh), h\u1ed3 s\u01a1 hi\u1ec7u chu\u1ea9n d\u1ee5ng c\u1ee5<\/li>\n<li><strong>Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/strong>: L\u00f4\/Nhi\u1ec7t, kh\u1eafc laser (m\u00e3 b\u1ed9 ph\u1eadn + ng\u00e0y)<\/li>\n<\/ul>\n<h4>KPI v\u00e0 tr\u1ef1c quan h\u00f3a (\u0110\u00e1nh gi\u00e1 h\u00e0ng th\u00e1ng)<\/h4>\n<ul>\n<li><strong>T\u1ef7 l\u1ec7 l\u1ed7i si\u1ebft<\/strong> (ppm) \/ <strong>T\u1ef7 l\u1ec7 si\u1ebft l\u1ea1i<\/strong> \/ <strong>S\u1ed1 v\u1ee5 k\u1eb9t ren<\/strong> \/ <strong>Th\u1eddi gian giao h\u00e0ng<\/strong> \/ <strong>V\u00f2ng quay t\u1ed3n kho<\/strong>.<\/li>\n<li>Ch\u00fang t\u00f4i tr\u1ef1c quan h\u00f3a nh\u1eefng \u0111i\u1ec1u n\u00e0y tr\u00ean m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n theo quy tr\u00ecnh v\u00e0 b\u1ed9 ph\u1eadn \u0111\u1ec3 li\u00ean t\u1ee5c t\u1ed1i \u01b0u h\u00f3a s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa <strong>Chi ph\u00ed\/Ch\u1ea5t l\u01b0\u1ee3ng\/Giao h\u00e0ng (QCD)<\/strong>.<\/li>\n<\/ul>\n<h4>Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh (T\u00f3m t\u1eaft)<\/h4>\n<ul>\n<li>\u0110\u1ed1i v\u1edbi m\u1ed9t b\u1ed9 ph\u1eadn h\u1ec7 th\u1ed1ng x\u1ea3 700\u00b0C: vi\u1ec7c chuy\u1ec3n t\u1eeb SUS sang Inconel + PTFE \u0111\u00e3 gi\u00fap lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n hi\u1ec7n t\u01b0\u1ee3ng k\u1eb9t ren, gi\u1ea3m 50% vi\u1ec7c si\u1ebft l\u1ea1i v\u00e0 c\u1eaft gi\u1ea3m 15% t\u1ed5ng chi ph\u00ed b\u1ea3o tr\u00ec.<\/li>\n<li>\u0110\u1ed1i v\u1edbi \u0111\u1ed3 g\u00e1 b\u00e1n d\u1eabn, vi\u1ec7c s\u1eed d\u1ee5ng \u1ed1c v\u00edt bul\u00f4ng c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i SUS316L v\u1edbi \u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a v\u00e0 l\u00e0m s\u1ea1ch UHV \u0111\u00e3 r\u00fat ng\u1eafn th\u1eddi gian b\u01a1m h\u00fat ch\u00e2n kh\u00f4ng xu\u1ed1ng 20%.Trong c\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p, quy tr\u00ecnh t\u1eeb t\u1ea1o m\u1eabu \u0111\u1ebfn th\u1eed nghi\u1ec7m t\u01b0\u01a1ng quan v\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t \u0111\u00e3 \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh t\u1ea1i Vi\u1ec7t Nam trong v\u00f2ng b\u1ed1n tu\u1ea7n.<\/li>\n<\/ul>\n<h3>T\u00f3m l\u01b0\u1ee3c<\/h3>\n<ul>\n<li>Tr\u1ee5c l\u1ef1a ch\u1ecdn l\u00e0 &#8220;Nhi\u1ec7t \u0111\u1ed9 \u00d7 M\u00f4i tr\u01b0\u1eddng \u00d7 T\u1ea3i tr\u1ecdng \u00d7 Chi ph\u00ed&#8221;. L\u00e0m vi\u1ec7c ng\u01b0\u1ee3c l\u1ea1i t\u1eeb c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00e1y th\u1ef1c t\u1ebf \u0111\u1ec3 l\u00e0m r\u00f5 l\u1ef1c d\u1ecdc tr\u1ee5c y\u00eau c\u1ea7u v\u00e0 t\u1ea7n su\u1ea5t th\u00e1o l\u1eafp.<\/li>\n<li>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u: SUS309\/310 (oxy h\u00f3a nhi\u1ec7t \u0111\u1ed9 cao), Inconel 625\/718 (l\u00ean \u0111\u1ebfn 700\u00b0C + \u0111\u1ed9 b\u1ec1n cao), 316L\/duplex\/Ti (n\u01b0\u1edbc bi\u1ec3n, h\u00f3a ch\u1ea5t), PEEK (c\u00e1ch \u0111i\u1ec7n, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9).<\/li>\n<li>B\u1ec1 m\u1eb7t\/Ho\u00e0n thi\u1ec7n: \u0110\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh m\u00f4-men xo\u1eafn v\u1edbi th\u1ee5 \u0111\u1ed9ng h\u00f3a\/\u0111\u00e1nh b\u00f3ng \u0111i\u1ec7n h\u00f3a\/PTFE, DLC, CrN. \u0110\u1ed1i v\u1edbi ch\u00e2n kh\u00f4ng, ti\u00eau chu\u1ea9n h\u00f3a tr\u00ean \u1ed1c v\u00edt c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i + l\u00e0m s\u1ea1ch v\u00e0 \u0111\u00f3ng g\u00f3i ri\u00eang l\u1ebb.<\/li>\n<li>Qu\u1ea3n l\u00fd m\u00f4-men xo\u1eafn: T = K\u30fbF\u30fbd. Gi\u00e1 tr\u1ecb K thay \u0111\u1ed5i theo ch\u1ea5t b\u00f4i tr\u01a1n, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 nh\u00e1m, x\u00e1c \u0111\u1ecbnh n\u00f3 th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m t\u01b0\u01a1ng quan v\u00e0 v\u1eadn h\u00e0nh v\u1edbi m\u1ed9t k\u1ebf ho\u1ea1ch \u0111\u00e3 \u0111\u1ecbnh cho ki\u1ec3m so\u00e1t g\u00f3c v\u00e0 si\u1ebft l\u1ea1i.<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 Tu\u00e2n th\u1ee7 ki\u1ec3m to\u00e1n: \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1edbi qu\u1ea3n l\u00fd ISO 3506, JIS B 1054, ISO 9227, ISO 6789 v\u00e0 l\u00f4\/ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u.<\/li>\n<li>L\u1ee3i th\u1ebf c\u1ee7a vi\u1ec7c thu mua t\u1ea1i Vi\u1ec7t Nam: M\u1ea1nh v\u1ec1 s\u1ea3n xu\u1ea5t \u0111a d\u1ea1ng ch\u1ee7ng lo\u1ea1i, s\u1ed1 l\u01b0\u1ee3ng \u00edt v\u00e0 th\u1eddi gian giao h\u00e0ng ng\u1eafn, cho ph\u00e9p t\u1ed1i \u01b0u h\u00f3a t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i t\u1eeb t\u1ea1o m\u1eabu \u0111\u1ebfn s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t v\u00e0 c\u1ea3i ti\u1ebfn v\u1eadn h\u00e0nh.<\/li>\n<\/ul>\n<p>T\u1eeb vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 &#8220;kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a \u1ed1c v\u00edt&#8221; v\u00e0 &#8220;kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a \u1ed1c v\u00edt&#8221; \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m t\u01b0\u01a1ng quan gi\u00e1 tr\u1ecb K v\u00e0 tri\u1ec3n khai t\u1ea1i ch\u1ed7, Gi\u1ea3i ph\u00e1p \u1ed1c v\u00edt c\u1ee7a Ohta s\u1ebd \u0111\u1ed3ng h\u00e0nh c\u00f9ng b\u1ea1n. H\u00e3y chia s\u1ebb c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 th\u00e1ch th\u1ee9c hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n.<\/p>\n<h3>K\u1ebft lu\u1eadn<\/h3>\n<p><span style=\"color: #f56d91; font-size: 14pt;\"><strong>Vui l\u00f2ng g\u1eedi ph\u1ea3n h\u1ed3i qua email n\u00e0y ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi b\u1ed9 ph\u1eadn kinh doanh c\u1ee7a ch\u00fang t\u00f4i n\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 c\u00e2u h\u1ecfi n\u00e0o li\u00ean quan t\u1edbi m\u1eabu s\u1ea3n ph\u1ea9m ho\u1eb7c t\u00e0i li\u1ec7u li\u00ean quan.<\/strong><\/span><\/p>\n<p><a href=\"https:\/\/ohtavn.com\/vi\/contact\/\"><img decoding=\"async\" class=\"\" src=\"http:\/\/ohtavn.com\/wp-content\/uploads\/2023\/12\/column_cta-banner_vn.jpg\" alt=\"column_cta-banner\" width=\"900\" height=\"Auto\" \/><\/a><\/p>\n<p>T\u1ea1i Ohta Vi\u1ec7t Nam, ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e3 l\u00e0m s\u1eb5n nh\u01b0 \u1ed1c v\u00edt v\u00e0 bul\u00f4ng, m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t nh\u01b0 gia c\u00f4ng c\u1eaft, ki\u1ec3m tra, l\u1eafp r\u00e1p, \u0111\u00f3ng g\u00f3i&#8230;<br \/>\nDanh s\u00e1ch thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i <strong><a href=\"https:\/\/ohtavn.com\/vi\/company\/introduction\/#introduction_ttl02\">nh\u1ea5p \u0111\u1ec3 xem t\u1ea1i \u0111\u00e2y<\/a><\/strong><\/p>\n<p>L\u00e0 &#8220;\u0111\u01a1n v\u1ecb chuy\u00ean h\u1ed7 tr\u1ee3&#8221; cho ng\u00e0nh s\u1ea3n xu\u1ea5t \u1edf ch\u00e2u \u00c1. N\u1ebfu doanh nghi\u1ec7p c\u00f3 b\u1ea5t k\u1ef3 c\u00e2u h\u1ecfi h\u1ecfi n\u00e0o li\u00ean quan, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi Ohta Vietnam \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 chi ti\u1ebft!<br \/>\nURL: <a href=\"https:\/\/ohtavn.com\/vi\/contact\/\">https:\/\/ohtavn.com\/vi\/contact\/<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>L\u1eddi m\u1edf \u0111\u1ea7u B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p nh\u1eefng ki\u1ebfn th\u1ee9c th\u1ef1c t\u1ebf cho c\u00e1c k\u1ef9 s\u01b0 v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn \u1ed1c v\u00edt \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 trong c\u00e1c thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn, \u00f4 t\u00f4 v\u00e0 nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m. B\u00e0i [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4998,"template":"","meta":{"_acf_changed":false,"_locale":"vi","_original_post":"https:\/\/ohtavn.com\/?post_type=media&p=4994","footnotes":"","title":"\u1ed0c v\u00edt d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t: S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n","_title":"field_639aec69b01cd","keywords":"\u1ed0c v\u00edt, bul\u00f4ng, linh ki\u1ec7n k\u1ebft n\u1ed1i, d\u1ee5ng c\u1ee5 chuy\u00ean nghi\u1ec7p, gia c\u00f4ng ch\u00ednh x\u00e1c, cung \u1ee9ng c\u00e1c lo\u1ea1i linh ki\u1ec7n","_keywords":"field_639aec76b01ce","description":"C\u00e1c t\u1eeb kh\u00f3a c\u1ee7a \u1ed1c v\u00edt, kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t v\u00e0 kh\u00e1ng \u0103n m\u00f2n \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c, v\u00e0 c\u00e1c xu h\u01b0\u1edbng m\u1edbi nh\u1ea5t v\u1ec1 v\u1eadt li\u1ec7u, ti\u00eau chu\u1ea9n, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf\/qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c \u0111an xen v\u1edbi quan \u0111i\u1ec3m mua s\u1eafm c\u1ee7a Vi\u1ec7t Nam. \u0110\u1ea7u ti\u00ean, ch\u00fang ta s\u1ebd xem x\u00e9t nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n m\u00e0 ch\u00fang ta n\u00ean xem nh\u01b0 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 c\u00e1c v\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng v\u00edt v\u00e0 quan \u0111i\u1ec3m l\u1ef1a ch\u1ecdn trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.","_description":"field_639aec87b01cf","h1":"\u1ed0c v\u00edt d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t: S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n","_h1":"field_639aec90b01d0","main-title":"","_main-title":""},"media-cat":[23],"class_list":["post-5002","media","type-media","status-publish","has-post-thumbnail","hentry","media-cat-column","vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/info-media\/5002","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/info-media"}],"about":[{"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/types\/media"}],"author":[{"embeddable":true,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/users\/4"}],"version-history":[{"count":5,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/info-media\/5002\/revisions"}],"predecessor-version":[{"id":5617,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/info-media\/5002\/revisions\/5617"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/media\/4998"}],"wp:attachment":[{"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/media?parent=5002"}],"wp:term":[{"taxonomy":"media-cat","embeddable":true,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/media-cat?post=5002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}