{"id":5534,"date":"2026-06-26T10:00:51","date_gmt":"2026-06-26T01:00:51","guid":{"rendered":"https:\/\/ohtavn.com\/?post_type=media&p=5534"},"modified":"2026-06-15T18:54:17","modified_gmt":"2026-06-15T09:54:17","slug":"what-is-a-u-bolt","status":"publish","type":"media","link":"https:\/\/ohtavn.com\/vi\/media\/what-is-a-u-bolt\/","title":{"rendered":"Bul\u00f4ng ch\u1eef U l\u00e0 g\u00ec? \uff5cGi\u1ea3i th\u00edch d\u1ec5 hi\u1ec3u trong 3 ph\u00fat"},"content":{"rendered":"
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Gi\u1edbi thi\u1ec7u<\/h3>\n<\/div>\n
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B\u1ea1n c\u00f3 th\u01b0\u1eddng b\u1eaft g\u1eb7p Bul\u00f4ng ch\u1eef U \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1eddng \u1ed1ng trong nh\u00e0 m\u00e1y ho\u1eb7c \u1edf h\u1ec7 th\u1ed1ng treo, g\u1ea7m xe c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n kh\u00f4ng? \u0110\u00f3 ch\u00ednh l\u00e0 Bul\u00f4ng ch\u1eef U (U-bolt), lo\u1ea1i linh ki\u1ec7n li\u00ean k\u1ebft m\u00e0 ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft n\u00e0y. M\u1eb7c d\u00f9 c\u00f3 h\u00ecnh d\u1ea1ng kh\u00e1 \u0111\u01a1n gi\u1ea3n, nh\u01b0ng Bul\u00f4ng ch\u1eef U l\u1ea1i l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i linh ki\u1ec7n si\u1ebft ch\u1eb7t d\u1ec5 x\u1ea3y ra sai s\u00f3t khi \u0111\u1eb7t h\u00e0ng nh\u1ea5t do s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a (k\u00edch th\u01b0\u1edbc quy c\u00e1ch) v\u00e0 k\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf.<\/p>\n<\/div>\n

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\u0110\u1eb7c bi\u1ec7t, t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t \u1edf Vi\u1ec7t Nam, vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u1ed9 \u1ea9m l\u1edbn c\u0169ng nh\u01b0 nhu c\u1ea7u t\u00ecm ki\u1ebfm c\u00e1c k\u00edch th\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c b\u1ea3o tr\u00ec, s\u1eeda ch\u1eefa kh\u1ea9n c\u1ea5p th\u01b0\u1eddng l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c quan t\u00e2m.
\nTrong b\u00e0i vi\u1ebft n\u00e0y, v\u1edbi g\u00f3c nh\u00ecn c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb c\u00f3 nhi\u1ec1u n\u0103m kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c cung \u1ee9ng v\u1eadt t\u01b0 c\u00f4ng nghi\u1ec7p nh\u01b0 OHTA Vi\u1ec7t Nam, ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5:
\n– Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 Bul\u00f4ng ch\u1eef U
\n– C\u00e1ch \u0111\u1ecdc v\u00e0 hi\u1ec3u c\u00e1c ti\u00eau chu\u1ea9n, quy c\u00e1ch c\u1ee7a Bul\u00f4ng ch\u1eef U
\n– Nh\u1eefng \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd khi l\u1ef1a ch\u1ecdn Bul\u00f4ng ch\u1eef U ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t t\u1ea1i Vi\u1ec7t Nam
\nCh\u1ec9 trong kho\u1ea3ng 3 ph\u00fat, b\u1ea1n s\u1ebd n\u1eafm \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin quan tr\u1ecdng \u0111\u1ec3 h\u1ea1n ch\u1ebf sai s\u00f3t trong qu\u00e1 tr\u00ecnh mua h\u00e0ng, \u0111\u1ed3ng th\u1eddi ph\u00f2ng tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 ph\u00e1t sinh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng do l\u1ef1a ch\u1ecdn sai s\u1ea3n ph\u1ea9m.<\/p>\n<\/div>\n

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Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a Bul\u00f4ng ch\u1eef U<\/h3>\n<\/div>\n
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H\u00ecnh d\u1ea1ng \u0111\u1eb7c tr\u01b0ng v\u00e0 vai tr\u00f2<\/h4>\n<\/div>\n
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Bul\u00f4ng ch\u1eef U<\/strong> \u0111\u00fang nh\u01b0 t\u00ean g\u1ecdi c\u1ee7a n\u00f3, l\u00e0 lo\u1ea1i bul\u00f4ng \u0111\u01b0\u1ee3c u\u1ed1n cong theo h\u00ecnh ch\u1eef \u201cU\u201d, v\u1edbi ph\u1ea7n ren ngo\u00e0i \u0111\u01b0\u1ee3c gia c\u00f4ng \u1edf c\u1ea3 hai \u0111\u1ea7u. N\u1ebfu nh\u01b0 bul\u00f4ng l\u1ee5c gi\u00e1c th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 si\u1ebft ch\u1eb7t v\u00e0 li\u00ean k\u1ebft hai chi ti\u1ebft v\u1edbi nhau<\/strong>, th\u00ec Bul\u00f4ng ch\u1eef U<\/strong> ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u00f4m gi\u1eef v\u00e0 c\u1ed1 \u0111\u1ecbnh c\u00e1c v\u1eadt th\u1ec3 d\u1ea1ng \u1ed1ng v\u00e0o gi\u00e1 \u0111\u1ee1, khung \u0111\u1ee1 ho\u1eb7c b\u1ec1 m\u1eb7t t\u01b0\u1eddng<\/strong>.
\nKh\u00f4ng ch\u1ec9 c\u00f3 ch\u1ee9c n\u0103ng ch\u1ecbu l\u1ef1c v\u00e0 c\u1ed1 \u0111\u1ecbnh c\u01a1 h\u1ecdc, Bul\u00f4ng ch\u1eef U c\u00f2n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng rung l\u1eafc, x\u00ea d\u1ecbch ho\u1eb7c tu\u1ed9t r\u01a1i c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng<\/strong> trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. Ch\u00ednh v\u00ec v\u1eady, s\u1ea3n ph\u1ea9m n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>\n

C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a Bul\u00f4ng ch\u1eef U<\/p>\n