{"id":5511,"date":"2026-05-15T10:00:40","date_gmt":"2026-05-15T01:00:40","guid":{"rendered":"https:\/\/ohtavn.com\/?post_type=media&#038;p=5511"},"modified":"2026-05-06T15:12:57","modified_gmt":"2026-05-06T06:12:57","slug":"what-is-a-bolt","status":"publish","type":"media","link":"https:\/\/ohtavn.com\/vi\/media\/what-is-a-bolt\/","title":{"rendered":"Gi\u1ea3i th\u00edch d\u1ec5 hi\u1ec3u trong 3 ph\u00fat: &#8220;Bul\u00f4ng l\u00e0 g\u00ec?&#8221;"},"content":{"rendered":"<div class=\"el-h3\">\n<h3 dir=\"auto\" data-heading=\"L\u1eddi m\u1edf \u0111\u1ea7u\">L\u1eddi m\u1edf \u0111\u1ea7u<\/h3>\n<\/div>\n<p data-start=\"134\" data-end=\"294\">Trong ng\u00e0nh s\u1ea3n xu\u1ea5t, c\u00f3 m\u1ed9t chi ti\u1ebft t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u1ea1i \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m \u2013 \u0111\u00f3 ch\u00ednh l\u00e0 Bul\u00f4ng.<br \/>\nV\u00ed d\u1ee5, trong m\u1ed9t chi\u1ebfc \u00f4 t\u00f4, s\u1ed1 l\u01b0\u1ee3ng bul\u00f4ng v\u00e0 \u0111ai \u1ed1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 l\u00ean t\u1edbi 2.000\u20133.000 chi\u1ebfc. Ch\u1ec9 c\u1ea7n thi\u1ebfu ho\u1eb7c l\u1ed7i m\u1ed9t chi ti\u1ebft c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng.<br \/>\nTuy nhi\u00ean, trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, nh\u1eefng y\u00eau c\u1ea7u nh\u01b0 \u201cl\u1ea5y gi\u00fap bul\u00f4ng M6\u201d v\u1eabn th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch kh\u00e1 chung chung. \u0110i\u1ec1u n\u00e0y d\u1ec5 d\u1eabn \u0111\u1ebfn vi\u1ec7c b\u1ecf qua c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u01b0 c\u1ea5p b\u1ec1n (strength grade) v\u00e0 X\u1eed l\u00fd b\u1ec1 m\u1eb7t (surface treatment)<br \/>\n\u0110\u1eb7c bi\u1ec7t, trong b\u1ed1i c\u1ea3nh Vi\u1ec7t Nam \u0111ang tr\u1edf th\u00e0nh m\u1eaft x\u00edch quan tr\u1ecdng trong chu\u1ed7i cung \u1ee9ng to\u00e0n c\u1ea7u, vi\u1ec7c thu mua linh ki\u1ec7n li\u00ean k\u1ebft \u0111\u1ea1t chu\u1ea9n Nh\u1eadt B\u1ea3n v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd v\u00e0 ngu\u1ed3n cung \u1ed5n \u0111\u1ecbnh \u0111ang l\u00e0 b\u00e0i to\u00e1n c\u1ea5p thi\u1ebft \u0111\u1ed1i v\u1edbi nhi\u1ec1u doanh nghi\u1ec7p.<br \/>\nTrong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n n\u1eafm nhanh trong 3 ph\u00fat:<\/p>\n<ul data-start=\"1053\" data-end=\"1166\">\n<li data-section-id=\"f8lewi\" data-start=\"1053\" data-end=\"1083\">Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 bul\u00f4ng<\/li>\n<li data-section-id=\"lmf51l\" data-start=\"1084\" data-end=\"1114\">C\u00e1ch ph\u00e2n bi\u1ec7t d\u1ec5 nh\u1ea7m l\u1eabn<\/li>\n<li data-section-id=\"1eof90l\" data-start=\"1115\" data-end=\"1166\">Nh\u1eefng \u0111i\u1ec3m quan tr\u1ecdng trong l\u1ef1a ch\u1ecdn v\u00e0 thu mua<\/li>\n<\/ul>\n<p data-start=\"1168\" data-end=\"1300\">\u0110\u1ed3ng th\u1eddi, gi\u1edbi thi\u1ec7u gi\u1ea3i ph\u00e1p \u201cth\u01b0\u01a1ng m\u1ea1i \u00d7 s\u1ea3n xu\u1ea5t\u201d (trading \u00d7 manufacturing) t\u1eeb Ohta Vietnam nh\u1eb1m t\u1ed1i \u01b0u ho\u1ea1t \u0111\u1ed9ng thu mua.<\/p>\n<div class=\"el-h3\">\n<h3 dir=\"auto\" data-heading=\"\u0110\u1ecbnh ngh\u0129a v\u00e0 C\u1ea5u t\u1ea1o c\u01a1 b\u1ea3n c\u1ee7a Bu l\u00f4ng: S\u1ef1 kh\u00e1c bi\u1ec7t v\u1edbi V\u00edt\">\u0110\u1ecbnh ngh\u0129a v\u00e0 C\u1ea5u t\u1ea1o c\u01a1 b\u1ea3n c\u1ee7a Bul\u00f4ng: Ph\u00e2n bi\u1ec7t v\u1edbi V\u00edt<\/h3>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"Ranh gi\u1edbi r\u00f5 r\u00e0ng gi\u1eefa 'Bu l\u00f4ng' v\u00e0 'V\u00edt m\u00e1y'\">Ranh gi\u1edbi gi\u1eefa &#8220;Bul\u00f4ng&#8221; v\u00e0 &#8220;V\u00edt m\u00e1y&#8221;<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">Trong ph\u00e2n lo\u1ea1i chung, \u201cv\u00edt\/ren\u201d (screw) l\u00e0 kh\u00e1i ni\u1ec7m r\u1ed9ng, trong \u0111\u00f3 c\u00f3 bao g\u1ed3m bul\u00f4ng (bolt). Tuy nhi\u00ean, theo ti\u00eau chu\u1ea9n <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">JIS<\/span><\/span> v\u00e0 trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, hai lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t kh\u00e1 r\u00f5 r\u00e0ng.<\/p>\n<p data-start=\"1645\" data-end=\"1698\"><strong data-start=\"1645\" data-end=\"1698\">Kh\u00e1c bi\u1ec7t l\u1edbn nh\u1ea5t n\u1eb1m \u1edf c\u00e1ch s\u1eed d\u1ee5ng v\u1edbi \u0111ai \u1ed1c:<\/strong><\/p>\n<ul data-start=\"1700\" data-end=\"1918\">\n<li data-section-id=\"vzutu2\" data-start=\"1700\" data-end=\"1822\">V\u00edt m\u00e1y (Machine screw):<br data-start=\"1730\" data-end=\"1733\" \/>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1eb1ng c\u00e1ch v\u1eb7n tr\u1ef1c ti\u1ebfp v\u00e0o l\u1ed7 \u0111\u00e3 c\u00f3 ren s\u1eb5n (l\u1ed7 taro), kh\u00f4ng c\u1ea7n \u0111ai \u1ed1c<\/li>\n<li data-section-id=\"t7hepw\" data-start=\"1824\" data-end=\"1918\">Bul\u00f4ng (Bolt):<br data-start=\"1844\" data-end=\"1847\" \/>\u0110\u01b0\u1ee3c l\u1eafp xuy\u00ean qua v\u1eadt th\u1ec3 v\u00e0 si\u1ebft ch\u1eb7t b\u1eb1ng \u0111ai \u1ed1c \u1edf ph\u00eda \u0111\u1ed1i di\u1ec7n<\/li>\n<\/ul>\n<p data-start=\"1920\" data-end=\"2110\">Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, bul\u00f4ng (v\u00ed d\u1ee5 bul\u00f4ng \u0111\u1ea7u l\u1ee5c gi\u00e1c) v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c v\u1eb7n tr\u1ef1c ti\u1ebfp v\u00e0o l\u1ed7 ren. V\u00ec v\u1eady, trong th\u1ef1c t\u1ebf, ng\u01b0\u1eddi ta c\u0169ng ph\u00e2n bi\u1ec7t d\u1ef1a tr\u00ean <strong data-start=\"2089\" data-end=\"2102\">h\u00ecnh d\u1ea1ng<\/strong>, v\u00ed d\u1ee5:<\/p>\n<ul data-start=\"2111\" data-end=\"2169\">\n<li data-section-id=\"5l9set\" data-start=\"2111\" data-end=\"2131\">\u0110\u1ea7u l\u1ee5c gi\u00e1c l\u1edbn<\/li>\n<li data-section-id=\"1aghjv7\" data-start=\"2132\" data-end=\"2169\">S\u1eed d\u1ee5ng c\u1edd l\u00ea ho\u1eb7c m\u1ecf l\u1ebft \u0111\u1ec3 si\u1ebft<\/li>\n<\/ul>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"C\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 C\u00e1ch g\u1ecdi t\u00ean\">C\u1ea5u t\u1ea1o v\u00e0 C\u00e1ch g\u1ecdi t\u00ean<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p data-start=\"2205\" data-end=\"2244\">M\u1ed9t bul\u00f4ng ti\u00eau chu\u1ea9n g\u1ed3m 3 ph\u1ea7n ch\u00ednh:<\/p>\n<ul data-start=\"2246\" data-end=\"2491\">\n<li data-section-id=\"ztorrw\" data-start=\"2246\" data-end=\"2336\"><strong data-start=\"2248\" data-end=\"2270\">\u0110\u1ea7u bul\u00f4ng (Head): <\/strong>Ph\u1ea7n \u0111\u1ec3 \u0111\u1eb7t d\u1ee5ng c\u1ee5 si\u1ebft, th\u01b0\u1eddng c\u00f3 d\u1ea1ng l\u1ee5c gi\u00e1c ho\u1eb7c tr\u00f2n<\/li>\n<li data-section-id=\"q2bf1p\" data-start=\"2338\" data-end=\"2423\"><strong data-start=\"2340\" data-end=\"2362\">Th\u00e2n tr\u01a1n (Shank): <\/strong>Ph\u1ea7n th\u00e2n kh\u00f4ng c\u00f3 ren (kh\u00f4ng t\u1ed3n t\u1ea1i \u1edf lo\u1ea1i ren su\u1ed1t)<\/li>\n<li data-section-id=\"th6mow\" data-start=\"2425\" data-end=\"2491\"><strong data-start=\"2427\" data-end=\"2449\">Ph\u1ea7n ren (Thread): <\/strong>Ph\u1ea7n c\u00f3 r\u00e3nh xo\u1eafn gi\u00fap t\u1ea1o li\u00ean k\u1ebft<\/li>\n<\/ul>\n<\/div>\n<div class=\"el-p\">\n<p data-section-id=\"134qqpd\" data-start=\"2498\" data-end=\"2539\"><strong>C\u00e1ch quy c\u00e1ch v\u00e0 k\u00fd hi\u1ec7u khi \u0111\u1eb7t h\u00e0ng<\/strong><\/p>\n<p data-start=\"2541\" data-end=\"2592\">Khi \u0111\u1eb7t h\u00e0ng, bul\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u theo d\u1ea1ng: <strong data-start=\"2594\" data-end=\"2632\">\u0110\u01b0\u1eddng k\u00ednh ren (M) \u00d7 Chi\u1ec1u d\u00e0i (L)<\/strong><\/p>\n<p data-start=\"2634\" data-end=\"2640\">V\u00ed d\u1ee5:<\/p>\n<ul data-start=\"2641\" data-end=\"2742\">\n<li data-section-id=\"gmy5ug\" data-start=\"2641\" data-end=\"2742\">M10 \u00d7 50 ngh\u0129a l\u00e0:\n<ul data-start=\"2670\" data-end=\"2742\">\n<li data-section-id=\"1rleezi\" data-start=\"2670\" data-end=\"2695\">\u0110\u01b0\u1eddng k\u00ednh ren: 10 mm<\/li>\n<li data-section-id=\"14dzkfj\" data-start=\"2698\" data-end=\"2742\">Chi\u1ec1u d\u00e0i t\u00ednh t\u1eeb d\u01b0\u1edbi \u0111\u1ea7u bul\u00f4ng: 50 mm<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-start=\"2744\" data-end=\"2952\"><strong>L\u01b0u \u00fd: <\/strong>Sai s\u00f3t trong vi\u1ec7c hi\u1ec3u v\u00e0 ghi nh\u1eadn th\u00f4ng s\u1ed1 n\u00e0y l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t d\u1eabn \u0111\u1ebfn \u0111\u1eb7t h\u00e0ng sai. V\u00ec v\u1eady, c\u1ea7n x\u00e1c nh\u1eadn r\u00f5 ti\u00eau chu\u1ea9n \u0111o chi\u1ec1u d\u00e0i v\u00e0 lo\u1ea1i bul\u00f4ng tr\u01b0\u1edbc khi \u0111\u1eb7t mua.<\/p>\n<\/div>\n<div class=\"el-h3\">\n<h3 dir=\"auto\" data-heading=\"C\u1ea5p b\u1ec1n v\u00e0 V\u1eadt li\u1ec7u: Nh\u1eefng con s\u1ed1 n\u00f3i l\u00ean 'Gi\u1edbi h\u1ea1n'\">C\u1ea5p b\u1ec1n v\u00e0 V\u1eadt li\u1ec7u: Nh\u1eefng con s\u1ed1 n\u00f3i l\u00ean &#8220;Gi\u1edbi h\u1ea1n&#8221;<\/h3>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"C\u00e1ch \u0111\u1ecdc C\u1ea5p b\u1ec1n (Property Class)\">C\u00e1ch \u0111\u1ecdc C\u1ea5p b\u1ec1n (Property Class)<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">Ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 t\u1eebng th\u1ea5y c\u00e1c k\u00fd hi\u1ec7u nh\u01b0 &#8220;4.8&#8221; hay &#8220;10.9&#8221; tr\u00ean \u0111\u1ea7u bu l\u00f4ng. \u0110\u00e2y l\u00e0 ch\u1ec9 s\u1ed1 quan tr\u1ecdng bi\u1ec3u th\u1ecb <strong>&#8220;\u0110\u1ed9 b\u1ec1n k\u00e9o&#8221; (Tensile Strength)<\/strong> v\u00e0 <strong>&#8220;Gi\u1edbi h\u1ea1n ch\u1ea3y&#8221; (Yield Point\/Proof Stress)<\/strong> c\u1ee7a bul\u00f4ng.<\/p>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">V\u00ed d\u1ee5 tr\u01b0\u1eddng h\u1ee3p k\u00fd hi\u1ec7u <strong>&#8220;10.9&#8221;<\/strong>:<\/p>\n<\/div>\n<div class=\"el-ul\">\n<ul class=\"has-list-bullet\">\n<li dir=\"auto\" data-line=\"0\"><strong>10 (Ph\u1ea7n nguy\u00ean):<\/strong> Bi\u1ec3u th\u1ecb \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 <strong>1.000 N\/mm\u00b2<\/strong> (kho\u1ea3ng 100kgf\/mm\u00b2).<\/li>\n<li dir=\"auto\" data-line=\"2\"><strong>9 (Ph\u1ea7n th\u1eadp ph\u00e2n):<\/strong> Bi\u1ec3u th\u1ecb gi\u1edbi h\u1ea1n ch\u1ea3y (\u0111i\u1ec3m b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n) b\u1eb1ng <strong>90%<\/strong> \u0111\u1ed9 b\u1ec1n k\u00e9o.<\/li>\n<\/ul>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">T\u1ee9c l\u00e0, bul\u00f4ng 10.9 s\u1ebd b\u1ecb ph\u00e1 h\u1ee7y \u1edf l\u1ef1c 1.000 N\/mm\u00b2, v\u00e0 c\u00f3 th\u1ec3 tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u (ph\u1ea1m vi bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i) cho \u0111\u1ebfn m\u1ee9c 900 N\/mm\u00b2, cho th\u1ea5y \u0111\u1ed9 b\u1ec1n c\u1ef1c cao. So v\u1edbi c\u00e1c lo\u1ea1i &#8220;4.6&#8221; hay &#8220;4.8&#8221; th\u01b0\u1eddng d\u00f9ng trong k\u1ebft c\u1ea5u th\u00e9p x\u00e2y d\u1ef1ng, \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3 cao h\u01a1n g\u1ea5p 2 l\u1ea7n.<\/p>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"Xu h\u01b0\u1edbng v\u1eadt li\u1ec7u t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam\">Xu h\u01b0\u1edbng v\u1eadt li\u1ec7u t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">T\u1ea1i c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t \u1edf Vi\u1ec7t Nam, c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u sau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/p>\n<\/div>\n<div class=\"el-ul\">\n<ul class=\"has-list-bullet\">\n<li dir=\"auto\" data-line=\"0\"><strong>SS400 (Th\u00e9p m\u1ec1m):<\/strong> D\u00f9ng cho k\u1ebft c\u1ea5u th\u00f4ng th\u01b0\u1eddng. Gi\u00e1 r\u1ebb nh\u01b0ng \u0111\u1ed9 b\u1ec1n th\u1ea5p.<\/li>\n<li dir=\"auto\" data-line=\"2\"><strong>SCM435 (Th\u00e9p Crom Molybden):<\/strong> D\u00f9ng cho bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao (10.9 tr\u1edf l\u00ean). C\u1ea7n x\u1eed l\u00fd nhi\u1ec7t t\u00f4i v\u00e0 ram (Quenching &amp; Tempering).<\/li>\n<li dir=\"auto\" data-line=\"4\"><strong>SUS304 (Inox):<\/strong> Ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t, nh\u01b0ng \u0111\u1ed9 b\u1ec1n k\u00e9m h\u01a1n v\u1eadt li\u1ec7u SCM (A2-50, A2-70,&#8230;).<\/li>\n<\/ul>\n<\/div>\n<div class=\"el-h3\">\n<h3 dir=\"auto\" data-heading=\"Chi\u1ebfn l\u01b0\u1ee3c thu mua t\u1ea1i Vi\u1ec7t Nam v\u00e0 vai tr\u00f2 c\u1ee7a Ota Vietnam\">Chi\u1ebfn l\u01b0\u1ee3c thu mua t\u1ea1i Vi\u1ec7t Nam v\u00e0 vai tr\u00f2 c\u1ee7a Ohta Vietnam<\/h3>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"Ph\u00e2n bi\u1ec7t t\u1ed1i \u01b0u gi\u1eefa h\u00e0ng s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t v\u00e0 h\u00e0ng \u0111\u1eb7c th\u00f9\">Ph\u00e2n bi\u1ec7t t\u1ed1i \u01b0u gi\u1eefa h\u00e0ng s\u1ea3n xu\u1ea5t ti\u00eau chu\u1ea9n v\u00e0 h\u00e0ng \u0111\u1eb7c th\u00f9<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">C\u00f3 2 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 s\u1ea3n xu\u1ea5t bul\u00f4ng:<\/p>\n<\/div>\n<div class=\"el-ol\">\n<ol>\n<li dir=\"auto\" data-line=\"0\"><strong>D\u1eadp ngu\u1ed9i (Cold Heading):<\/strong> Ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh b\u1eb1ng c\u00e1ch d\u1eadp d\u00e2y kim lo\u1ea1i v\u00e0o khu\u00f4n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng. Mang l\u1ea1i l\u1ee3i th\u1ebf chi ph\u00ed \u00e1p \u0111\u1ea3o khi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t <strong>\u0111\u01a1n v\u1ecb h\u00e0ng v\u1ea1n c\u00e1i<\/strong>, nh\u01b0ng t\u1ed1n chi ph\u00ed khu\u00f4n n\u00ean kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi l\u00f4 nh\u1ecf.<\/li>\n<li dir=\"auto\" data-line=\"1\"><strong>Gia c\u00f4ng c\u1eaft g\u1ecdt (Machining):<\/strong> Ph\u01b0\u01a1ng ph\u00e1p ti\u1ec7n\/phay t\u1eeb thanh v\u1eadt li\u1ec7u. \u0110\u1ed9 ch\u00ednh x\u00e1c cao, kh\u00f4ng c\u1ea7n khu\u00f4n v\u00e0 c\u00f3 th\u1ec3 ch\u1ebf t\u1ea1o <strong>t\u1eeb 1 c\u00e1i<\/strong>, nh\u01b0ng \u0111\u01a1n gi\u00e1 s\u1ebd cao h\u01a1n.<\/li>\n<\/ol>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">Nhi\u1ec1u doanh nghi\u1ec7p ti\u1ebfn ra Vi\u1ec7t Nam th\u01b0\u1eddng g\u1eb7p ph\u1ea3i b\u1ee9c t\u01b0\u1eddng &#8220;\u0111a d\u1ea1ng ch\u1ee7ng lo\u1ea1i, s\u1ed1 l\u01b0\u1ee3ng \u00edt&#8221; nh\u01b0: &#8220;Kh\u00f4ng mua \u0111\u01b0\u1ee3c lo\u1ea1i bul\u00f4ng \u0111\u1eb7c th\u00f9 \u0111\u00e3 s\u1eed d\u1ee5ng t\u1ea1i Nh\u1eadt&#8221;, &#8220;Nhu c\u1ea7u s\u1ea3n xu\u1ea5t th\u1eed nghi\u1ec7m ch\u1ec9 c\u1ea7n s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf (v\u00ed d\u1ee5 100 chi\u1ebfc)&#8221;. C\u00e1c nh\u00e0 cung c\u1ea5p n\u1ed9i \u0111\u1ecba (Local supplier) m\u1ea1nh v\u1ec1 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t (d\u1eadp ngu\u1ed9i) nh\u01b0ng th\u01b0\u1eddng g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u chi ti\u1ebft n\u00e0y c\u0169ng nh\u01b0 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"Gi\u1ea3i ph\u00e1p do Ota Vietnam cung c\u1ea5p\">Gi\u1ea3i ph\u00e1p do Ohta Vietnam cung c\u1ea5p<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p data-start=\"2361\" data-end=\"2447\">Ohta Vietnam gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n n\u00e0y b\u1eb1ng m\u00f4 h\u00ecnh k\u1ebft h\u1ee3p <strong data-start=\"2419\" data-end=\"2446\">\u201cth\u01b0\u01a1ng m\u1ea1i \u00d7 s\u1ea3n xu\u1ea5t\u201d<\/strong>:<\/p>\n<\/div>\n<div class=\"el-ul\">\n<ul class=\"has-list-bullet\">\n<li dir=\"auto\" data-line=\"0\"><strong>N\u0103ng l\u1ef1c t\u00ecm ngu\u1ed3n cung \u1ee9ng v\u1edbi t\u01b0 c\u00e1ch l\u00e0 \u0110\u1ea1i l\u00fd \u1ee7y quy\u1ec1n ch\u00ednh th\u1ee9c c\u1ee7a TRUSCO (Trusco Nakayama):<\/strong> Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m trong danh m\u1ee5c &#8220;Orange Book&#8221; quen thu\u1ed9c t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y Nh\u1eadt B\u1ea3n ngay t\u1ea1i Vi\u1ec7t Nam. Nh\u1edd \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 mua bul\u00f4ng ti\u00eau chu\u1ea9n v\u00e0 v\u1eadt t\u01b0 MRO v\u1edbi c\u1ea3m gi\u00e1c gi\u1ed1ng nh\u01b0 \u1edf Nh\u1eadt.<\/li>\n<li dir=\"auto\" data-line=\"2\"><strong>Gia c\u00f4ng ch\u00ednh x\u00e1c t\u1ea1i nh\u00e0 m\u00e1y n\u1ed9i b\u1ed9:<\/strong> Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 l\u00e0 c\u00f4ng ty th\u01b0\u01a1ng m\u1ea1i m\u00e0 c\u00f2n s\u1edf h\u1eefu thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y phay CNC (Machining Center) trong nh\u00e0 m\u00e1y. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ch\u1ebf t\u1ea1o v\u00e0 cung c\u1ea5p n\u1ed9i b\u1ed9 c\u00e1c lo\u1ea1i bul\u00f4ng c\u00f3 v\u1eadt li\u1ec7u ho\u1eb7c h\u00ecnh d\u00e1ng \u0111\u1eb7c bi\u1ec7t, ho\u1eb7c h\u00e0ng \u0111\u1eb7c th\u00f9 l\u00f4 nh\u1ecf <strong>&#8220;khi c\u1ea7n thi\u1ebft, v\u1edbi s\u1ed1 l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft&#8221;<\/strong>.<\/li>\n<li dir=\"auto\" data-line=\"4\"><strong>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0 m\u1ed9t \u201cc\u1ed5ng ki\u1ec3m duy\u1ec7t\u201d:<\/strong> Ch\u00fang t\u00f4i c\u00f3 h\u1ec7 th\u1ed1ng ki\u1ec3m tra nghi\u00eam ng\u1eb7t d\u1ef1a tr\u00ean ISO9001, v\u00e0 s\u1ea3n ph\u1ea9m nh\u1eadp t\u1eeb c\u00e1c nh\u00e0 m\u00e1y h\u1ee3p t\u00e1c c\u0169ng \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i ki\u1ec3m tra to\u00e0n b\u1ed9 ho\u1eb7c ki\u1ec3m tra x\u00e1c su\u1ea5t tr\u01b0\u1edbc khi giao h\u00e0ng. \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a r\u1ee7i ro l\u1ecdt h\u00e0ng l\u1ed7i.<\/li>\n<\/ul>\n<\/div>\n<div class=\"el-h3\">\n<h3 dir=\"auto\" data-heading=\"C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ed1i gh\u00e9p\">C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ed1i gh\u00e9p<\/h3>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"1. Qu\u1ea3n l\u00fd l\u1ef1c si\u1ebft (Torque) tri\u1ec7t \u0111\u1ec3\">1. Qu\u1ea3n l\u00fd l\u1ef1c si\u1ebft (Torque) \u0111\u00fang ti\u00eau chu\u1ea9n<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">L\u1ef1c k\u1eb9p (l\u1ef1c d\u1ecdc tr\u1ee5c) c\u1ee7a bul\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng qu\u1ea3n l\u00fd m\u00f4-men xo\u1eafn (l\u1ef1c si\u1ebft). Tuy nhi\u00ean, h\u1ec7 s\u1ed1 ma s\u00e1t thay \u0111\u1ed5i l\u1edbn t\u00f9y thu\u1ed9c v\u00e0o tr\u1ea1ng th\u00e1i b\u00f4i tr\u01a1n. Ngay c\u1ea3 khi si\u1ebft c\u00f9ng m\u1ed9t l\u1ef1c, l\u1ef1c d\u1ecdc tr\u1ee5c c\u00f3 th\u1ec3 ch\u00eanh l\u1ec7ch <strong>1,5 \u0111\u1ebfn 2 l\u1ea7n<\/strong> gi\u1eefa tr\u01b0\u1eddng h\u1ee3p c\u00f3 b\u00f4i d\u1ea7u v\u00e0 tr\u01b0\u1eddng h\u1ee3p kh\u00f4. Si\u1ebft kh\u00f4ng \u0111\u1ee7 g\u00e2y l\u1ecfng, si\u1ebft qu\u00e1 l\u1ef1c g\u00e2y \u0111\u1ee9t, n\u00ean vi\u1ec7c qu\u1ea3n l\u00fd b\u1eb1ng s\u1ed1 li\u1ec7u s\u1eed d\u1ee5ng c\u1edd l\u00ea l\u1ef1c l\u00e0 b\u1eaft bu\u1ed9c.<\/p>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"2. Ng\u0103n ng\u1eeba \u0103n m\u00f2n ti\u1ebfp x\u00fac kim lo\u1ea1i kh\u00e1c d\u00f2ng (\u0102n m\u00f2n \u0111i\u1ec7n h\u00f3a)\">2. Ng\u0103n ng\u1eeba \u0103n m\u00f2n ti\u1ebfp x\u00fac kim lo\u1ea1i kh\u00e1c d\u00f2ng (\u0102n m\u00f2n \u0111i\u1ec7n h\u00f3a)<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">Khi s\u1eed d\u1ee5ng bul\u00f4ng inox tr\u00ean v\u1eadt li\u1ec7u n\u1ec1n l\u00e0 nh\u00f4m, n\u1ebfu c\u00e1c kim lo\u1ea1i c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf ti\u1ebfp x\u00fac v\u1edbi nhau qua \u0111\u1ed9 \u1ea9m (ch\u1ea5t \u0111i\u1ec7n ph\u00e2n), kim lo\u1ea1i c\u00f3 xu h\u01b0\u1edbng ion h\u00f3a l\u1edbn h\u01a1n (tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 nh\u00f4m) s\u1ebd b\u1ecb \u0103n m\u00f2n nhanh ch\u00f3ng. \u0110\u1ec3 ng\u0103n ng\u1eeba, vi\u1ec7c s\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m (long \u0111\u1ec1n) c\u00e1ch \u0111i\u1ec7n ho\u1eb7c ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t ph\u00f9 h\u1ee3p (nh\u01b0 x\u1eed l\u00fd Geomet ho\u1eb7c m\u1ea1 k\u1ebdm \u0111i\u1ec7n ph\u00e2n) l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<\/div>\n<div class=\"el-h4\">\n<h4 dir=\"auto\" data-heading=\"3. Bi\u1ec7n ph\u00e1p ch\u1ed1ng ch\u00e1y ren (K\u1eb9t ren)\">3. Bi\u1ec7n ph\u00e1p ch\u1ed1ng ch\u00e1y ren (K\u1eb9t ren)<\/h4>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">\u0110\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi bul\u00f4ng inox, hi\u1ec7n t\u01b0\u1ee3ng &#8220;ch\u00e1y ren&#8221; &#8211; khi c\u00e1c b\u01b0\u1edbc ren n\u00f3ng ch\u1ea3y v\u00e0 d\u00ednh v\u00e0o nhau do nhi\u1ec7t ma s\u00e1t khi si\u1ebft &#8211; r\u1ea5t d\u1ec5 x\u1ea3y ra. \u0110\u1ec3 ng\u0103n ng\u1eeba, vi\u1ec7c gi\u1eef t\u1ed1c \u0111\u1ed9 si\u1ebft th\u1ea5p ho\u1eb7c b\u00f4i ch\u1ea5t ch\u1ed1ng k\u1eb9t nh\u01b0 Molybdenum Disulfide l\u00e0 r\u1ea5t hi\u1ec7u qu\u1ea3.<\/p>\n<\/div>\n<div class=\"el-h3\">\n<h3 dir=\"auto\" data-heading=\"T\u00f3m t\u1eaft\">T\u00f3m t\u1eaft<\/h3>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">Bul\u00f4ng kh\u00f4ng ch\u1ec9 l\u00e0 d\u1ee5ng c\u1ee5 ghim gi\u1eef m\u00e0 l\u00e0 linh ki\u1ec7n ch\u1ee9c n\u0103ng \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y m\u00f3c. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc kh\u00f4ng ch\u1ec9 v\u1ec1 k\u00edch th\u01b0\u1edbc m\u00e0 c\u00f2n v\u1ec1 c\u1ea5p b\u1ec1n, v\u1eadt li\u1ec7u, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t (d\u1eadp hay ti\u1ec7n).<\/p>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">\u0110\u1eb7c bi\u1ec7t t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam \u0111ang t\u0103ng tr\u01b0\u1edfng, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a &#8220;Danh m\u1ee5c thu mua&#8221; &#8211; mua h\u00e0ng s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng, v\u00e0 mua h\u00e0ng \u0111\u1ed9 ch\u00ednh x\u00e1c cao\/h\u00e0ng \u0111\u1eb7c bi\u1ec7t\/l\u00f4 nh\u1ecf t\u1eeb \u0111\u1ed1i t\u00e1c Nh\u1eadt B\u1ea3n tin c\u1eady &#8211; l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<\/div>\n<div class=\"el-p\">\n<p dir=\"auto\">Ohta Vi\u1ec7t Nam, c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i t\u1ec9nh \u0110\u1ed3ng Nai, mi\u1ec1n Nam Vi\u1ec7t Nam, l\u00e0 <strong>&#8220;Chuy\u00ean gia v\u1ec1 thu mua linh ki\u1ec7n&#8221;<\/strong> gi\u00fap gi\u1ea3i quy\u1ebft nh\u1eefng &#8220;kh\u00f3 kh\u0103n&#8221; c\u1ee7a kh\u00e1ch h\u00e0ng b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p danh m\u1ee5c s\u1ea3n ph\u1ea9m r\u1ed9ng l\u1edbn c\u1ee7a TRUSCO v\u00e0 n\u0103ng l\u1ef1c gia c\u00f4ng ch\u00ednh x\u00e1c t\u1ea1i nh\u00e0 m\u00e1y ri\u00eang. T\u1eeb vi\u1ec7c gia c\u00f4ng 1 con bul\u00f4ng \u0111\u1eb7c bi\u1ec7t phi ti\u00eau chu\u1ea9n \u0111\u1ebfn cung c\u1ea5p v\u1eadt t\u01b0 cho to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t, n\u1ebfu qu\u00fd kh\u00e1ch c\u00f3 b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o v\u1ec1 thu mua, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n.<\/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 Trong ng\u00e0nh s\u1ea3n xu\u1ea5t, c\u00f3 m\u1ed9t chi ti\u1ebft t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u1ea1i \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m \u2013 \u0111\u00f3 ch\u00ednh l\u00e0 Bul\u00f4ng. V\u00ed d\u1ee5, trong m\u1ed9t chi\u1ebfc \u00f4 t\u00f4, s\u1ed1 l\u01b0\u1ee3ng bul\u00f4ng v\u00e0 \u0111ai \u1ed1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 l\u00ean [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":5506,"template":"","meta":{"_acf_changed":false,"_locale":"vi","_original_post":"https:\/\/ohtavn.com\/?post_type=media&p=5505","footnotes":"","title":"Gi\u1ea3i th\u00edch d\u1ec5 hi\u1ec3u trong 3 ph\u00fat: \"Bul\u00f4ng l\u00e0 g\u00ec?\"","_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":"[Ph\u1ea3i xem \u0111\u1ed1i v\u1edbi ng\u00e0nh s\u1ea3n xu\u1ea5t Vi\u1ec7t Nam] Ph\u1ea7n gi\u1ea3i th\u00edch d\u00e0i 3 ph\u00fat v\u1ec1 \u0111\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n c\u1ee7a bu l\u00f4ng, c\u00e1ch \u0111\u1ecdc ph\u00e2n lo\u1ea1i \u0111\u1ed9 b\u1ec1n (4.8\/10.9) v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 v\u1eadt li\u1ec7u. Ch\u00fang t\u00f4i s\u1ebd chia s\u1ebb ki\u1ebfn \u200b\u200bth\u1ee9c chuy\u00ean m\u00f4n v\u1ec1 gi\u1ea3m thi\u1ec3u r\u1ee7i ro trong mua s\u1eafm v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed t\u1ea1i Vi\u1ec7t Nam, ch\u1eb3ng h\u1ea1n nh\u01b0 vi\u1ec7c \u00e1p d\u1ee5ng s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t v\u00e0 c\u00e1c \u0111\u01a1n h\u00e0ng t\u00f9y ch\u1ec9nh theo l\u00f4 nh\u1ecf. \u0110\u01b0\u1ee3c cung c\u1ea5p b\u1edfi Ota Vi\u1ec7t Nam.","_description":"field_639aec87b01cf","h1":"Gi\u1ea3i th\u00edch d\u1ec5 hi\u1ec3u trong 3 ph\u00fat: \"Bul\u00f4ng l\u00e0 g\u00ec?\"","_h1":"field_639aec90b01d0","main-title":"","_main-title":""},"media-cat":[23],"class_list":["post-5511","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\/5511","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":4,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/info-media\/5511\/revisions"}],"predecessor-version":[{"id":5944,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/info-media\/5511\/revisions\/5944"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/media\/5506"}],"wp:attachment":[{"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/media?parent=5511"}],"wp:term":[{"taxonomy":"media-cat","embeddable":true,"href":"https:\/\/ohtavn.com\/wp-json\/wp\/v2\/media-cat?post=5511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}