{"id":10955,"date":"2025-02-17T05:52:45","date_gmt":"2025-02-17T05:52:45","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=10955"},"modified":"2025-02-17T05:54:12","modified_gmt":"2025-02-17T05:54:12","slug":"harbour-portal-crane-slewing-bearing-failure","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/vi\/posts\/harbour-portal-crane-slewing-bearing-failure\/","title":{"rendered":"V\u00f2ng bi tr\u1ee5c quay c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng: Nguy\u00ean nh\u00e2n h\u1ecfng h\u00f3c v\u00e0 gi\u1ea3i ph\u00e1p s\u1eeda ch\u1eefa hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>M\u1ee5c l\u1ee5c<\/h2><nav><ul><li><a href=\"#the-operating-principle-of-harbour-portal-crane-slewing-bearing\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ea3ng\u00a0 <\/a><\/li><li><a href=\"#common-faults-of-harbour-portal-crane-slewing-bearing\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ee7a \u1ed5 tr\u1ee5c quay c\u1ea7n tr\u1ee5c c\u1ea3ng<\/a><\/li><li><a href=\"#harbour-portal-crane-slewing-bearing-replacement-scheme\">S\u01a1 \u0111\u1ed3 thay th\u1ebf \u1ed5 tr\u1ee5c quay c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng<\/a><\/li><li><a href=\"#conclusion\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"534\" height=\"276\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/02\/Harbour-Portal-Crane-Slewing-Bearing.png\" alt=\"V\u00f2ng bi tr\u1ee5c quay c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng\" class=\"wp-image-10956\"\/><\/figure><\/div>\n\n\n<p>B\u1ea5t k\u1ec3 l\u00e0 lo\u1ea1i c\u1ea7n c\u1ea9u n\u00e0o, \u0111\u1ec1u s\u1ebd c\u00f3 \u1ed5 tr\u1ee5c xoay c\u1ea7n c\u1ea9u c\u1ed5ng c\u1ea3ng. \u0110\u00e2y l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a c\u1ea5u tr\u00fac c\u1ea7n c\u1ea9u. \u1ed4 tr\u1ee5c xoay c\u1ea7n c\u1ea9u c\u1ed5ng c\u1ea3ng kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 gi\u1eef cho c\u1ea7n c\u1ea9u \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c c\u1ee7a n\u00f3. T\u1ea5t nhi\u00ean, s\u1ebd kh\u00f4ng tr\u00e1nh kh\u1ecfi s\u1ef1 c\u1ed1. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u1ee7a c\u1ea7n c\u1ea9u trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, c\u1ea7n ph\u1ea3i ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 c\u1ed1 v\u00e0 \u0111\u1ec1 xu\u1ea5t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i c\u00f3 m\u1ee5c ti\u00eau. <\/p>\n\n\n\n<p>C\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c l\u00e0 lo\u1ea1i thi\u1ebft b\u1ecb c\u1ea7n tr\u1ee5c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong thi\u1ebft b\u1ecb c\u1ea7n tr\u1ee5c, v\u00e0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang r\u1ea5t r\u1ed9ng. T\u1ea5t nhi\u00ean, \u1ed5 tr\u1ee5c \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c c\u1ea3ng c\u0169ng l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng. C\u00f3 hai d\u1ea1ng \u1ed5 tr\u1ee5c \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c c\u1ea3ng ph\u1ed5 bi\u1ebfn cho c\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c, m\u1ed9t l\u00e0 lo\u1ea1i quay v\u00e0 lo\u1ea1i c\u00f2n l\u1ea1i l\u00e0 lo\u1ea1i c\u1ed9t quay, lo\u1ea1i tr\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 c\u1ea5u tr\u00fac c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n h\u01a1n. Do \u0111\u00f3, khi c\u00f3 m\u1ed9t s\u1ed1 t\u00e1c \u0111\u1ed9ng nh\u1ea5t \u0111\u1ecbnh t\u1eeb th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i, n\u00f3 \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb h\u1ecfng, \u0111i\u1ec1u n\u00e0y ch\u1eafc ch\u1eafn s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng vi\u1ec7c c\u1ee7a c\u1ea7n tr\u1ee5c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-operating-principle-of-harbour-portal-crane-slewing-bearing\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ea3ng\u00a0 <\/h2>\n\n\n\n<p>C\u00f3 nhi\u1ec1u c\u1ea5u tr\u00fac trong <a href=\"https:\/\/www.hndfcrane.com\/vi\/harbour-portal-cranes\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u1ea7n c\u1ea9u c\u1ed5ng c\u1ea3ng<\/a>, v\u00e0 \u1ed5 tr\u1ee5c \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng. C\u00f3 nhi\u1ec1u lo\u1ea1i v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau c\u1ee7a \u1ed5 tr\u1ee5c \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng, v\u00ec v\u1eady ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t c\u0169ng kh\u00e1c nhau. Ngay c\u1ea3 khi lo\u1ea1i \u1ed5 tr\u1ee5c v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 gi\u1ed1ng nhau, th\u00ec v\u1eabn c\u1ea7n ph\u1ea3i ph\u00e2n t\u00edch tr\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t. Hai th\u00f4ng s\u1ed1 v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u01a1 h\u1ecdc v\u00e0 k\u00edch th\u01b0\u1edbc tr\u1ee5c th\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m tra c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1eafp \u0111\u1eb7t \u1ed5 tr\u1ee5c tr\u01a1n tru v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf. <\/p>\n\n\n\n<p>Theo lo\u1ea1i v\u00e0 c\u00e1ch s\u1eafp x\u1ebfp c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n l\u0103n, \u1ed5 tr\u1ee5c \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh lo\u1ea1i con l\u0103n hai d\u00e3y, lo\u1ea1i con l\u0103n ch\u00e9o m\u1ed9t d\u00e3y, v.v. Do t\u1ea3i tr\u1ecdng l\u1edbn, \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea7n tr\u1ee5c c\u00f3 y\u00eau c\u1ea7u cao h\u01a1n, v\u00ec v\u1eady n\u00f3i chung, ba h\u00e0ng \u1ed5 tr\u1ee5c xoay con l\u0103n \u0111\u01b0\u1ee3c ch\u1ecdn cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ea1i c\u1ea3ng (H\u00ecnh 1). \u0110i\u1ec1u n\u00e0y l\u00e0 do v\u00f2ng trong v\u00e0 v\u00f2ng ngo\u00e0i c\u1ee7a \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh \u1edf ph\u00eda d\u01b0\u1edbi c\u1ee7a b\u00e0n xoay v\u00e0 ph\u1ea7n tr\u00ean c\u1ee7a gi\u00e0n tr\u1ee5. Khi so s\u00e1nh v\u1edbi k\u00edch th\u01b0\u1edbc tr\u1ee5c, h\u01b0\u1edbng xuy\u00ean t\u00e2m c\u1ee7a \u1ed5 tr\u1ee5c xoay l\u1edbn h\u01a1n nhi\u1ec1u v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i \u0111\u1ed9ng m\u1ea1nh h\u01a1n \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho c\u1ea7n tr\u1ee5c khi l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n<p>Trong c\u1ea7n tr\u1ee5c c\u1ea3ng, b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i v\u1edbi gi\u00e1 \u0111\u1ee1 ph\u00eda tr\u00ean l\u00e0 b\u1ed9 ph\u1eadn quay b\u00ean trong, b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i v\u1edbi gi\u00e1 \u0111\u1ee1 ph\u00eda d\u01b0\u1edbi l\u00e0 b\u00e1nh r\u0103ng v\u00e0nh \u0111ai l\u1edbn, th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1eaft bu l\u00f4ng. S\u1eed d\u1ee5ng bu l\u00f4ng \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh, v\u00e0 n\u00f3 s\u1ebd kh\u00f4ng quay trong khi l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-faults-of-harbour-portal-crane-slewing-bearing\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ee7a \u1ed5 tr\u1ee5c quay c\u1ea7n tr\u1ee5c c\u1ea3ng<\/h2>\n\n\n\n<p><strong>Thi\u1ebft k\u1ebf kh\u00f4ng ph\u00f9 h\u1ee3p<\/strong><\/p>\n\n\n\n<p>C\u1ea7n tr\u1ee5c c\u1ed5ng tr\u1ee5c th\u01b0\u1eddng h\u1ecfng do v\u1eadn h\u00e0nh kh\u00f4ng \u0111\u00fang c\u00e1ch trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh ho\u1eb7c thi\u1ebfu b\u1ea3o d\u01b0\u1ee1ng th\u00f4ng th\u01b0\u1eddng sau khi v\u1eadn h\u00e0nh. B\u1ed9 ph\u1eadn \u1ed5 tr\u1ee5c c\u1ee7a \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng \u0111\u1eb7c bi\u1ec7t d\u1ec5 h\u1ecfng. Do t\u1ea3i tr\u1ecdng \u0111\u1eb7c bi\u1ec7t l\u1edbn, m\u1ed9t khi x\u1ea3y ra h\u1ecfng h\u00f3c s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. \u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, ph\u00e2n t\u00edch v\u00e0 nghi\u00ean c\u1ee9u th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb thi\u1ebft k\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t kh\u00f4ng \u0111\u1ee7 cao trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, s\u1ea3n xu\u1ea5t qu\u00e1 th\u00f4, v.v., s\u1ebd g\u00e2y bi\u1ebfn d\u1ea1ng m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ee7a r\u00e3nh c\u1ee7a thi\u1ebft b\u1ecb trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p><strong>B\u1ea3o tr\u00ec tr\u1ec5 kh\u00f4ng \u0111\u00fang c\u00e1ch<\/strong><\/p>\n\n\n\n<p>Nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c c\u1ee7a h\u1ea7u h\u1ebft \u1ed5 tr\u1ee5c xoay c\u1ea7n tr\u1ee5c c\u1ea3ng l\u00e0 do ho\u1ea1t \u0111\u1ed9ng chu\u1ea9n h\u00f3a kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u v\u00e0 kh\u00f4ng b\u1ea3o d\u01b0\u1ee1ng k\u1ecbp th\u1eddi sau khi k\u1ebft th\u00fac ho\u1ea1t \u0111\u1ed9ng, d\u1ea7n d\u1ea7n m\u1edf r\u1ed9ng c\u00e1c m\u1ed1i nguy hi\u1ec3m ti\u1ec1m \u1ea9n v\u1ed1n c\u00f3 t\u1eeb ban \u0111\u1ea7u. C\u00e1c m\u1ed1i nguy hi\u1ec3m ti\u1ec1m \u1ea9n \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 c\u00f3 c\u00e1c khe h\u1edf nh\u1ecf trong c\u1ea5u tr\u00fac k\u1ebft n\u1ed1i c\u1ee7a \u1ed5 tr\u1ee5c xoay, ho\u1eb7c c\u00f3 th\u1ec3 l\u00e0 c\u00e1c bu l\u00f4ng k\u1ebft n\u1ed1i b\u1ecb n\u1ee9t, v.v. Nh\u1eefng m\u1ed1i nguy hi\u1ec3m ti\u1ec1m \u1ea9n nh\u1ecf n\u00e0y r\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n th\u1ef1c s\u1ef1 ngay t\u1eeb \u0111\u1ea7u. Tuy nhi\u00ean, theo th\u1eddi gian s\u1eed d\u1ee5ng li\u00ean t\u1ee5c t\u0103ng l\u00ean, c\u00e1c khe h\u1edf v\u00e0 v\u1ebft n\u1ee9t n\u00e0y ti\u1ebfp t\u1ee5c b\u1ecb va \u0111\u1eadp m\u1ea1nh, cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn g\u00e3y ho\u00e0n to\u00e0n ho\u1eb7c bi\u1ebfn d\u1ea1ng m\u1ed9t ph\u1ea7n c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3, h\u1ecfng h\u00f3c.<\/p>\n\n\n\n<p><strong>Bi\u1ebfn d\u1ea1ng c\u1ea5u tr\u00fac<\/strong><\/p>\n\n\n\n<p>N\u00f3i chung c\u00f3 hai t\u00ecnh hu\u1ed1ng bi\u1ebfn d\u1ea1ng k\u1ebft c\u1ea5u. M\u1ed9t l\u00e0 trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf ban \u0111\u1ea7u, \u0111\u1ed9 c\u1ee9ng c\u1ee7a khung \u0111\u1ee1 m\u00e0 n\u00f3 s\u1edf h\u1eefu kh\u00f4ng \u0111\u1ee7, v\u00e0 n\u00f3 \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng trong th\u1eddi gian d\u00e0i (t\u1ea5t nhi\u00ean, kh\u00f4ng c\u00f3 nhi\u1ec1u t\u00ecnh hu\u1ed1ng nh\u01b0 v\u1eady); th\u1ee9 hai l\u00e0 do l\u1ef1c b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c, th\u01b0\u1eddng l\u00e0 do kho\u1ea3ng c\u00e1ch l\u1edbn v\u1ec1 chi\u1ec1u cao c\u1ee7a \u0111\u01b0\u1eddng ray \u1edf hai b\u00ean, khi\u1ebfn m\u00e1y c\u1eeda b\u1ecb nghi\u00eang. N\u1ebfu rung \u0111\u1ed9ng l\u00e0 do t\u00ecnh hu\u1ed1ng th\u1ee9 hai, th\u00ec n\u00f3 c\u00f3 li\u00ean quan \u0111\u1ebfn gi\u00e1 tr\u1ecb thay \u0111\u1ed5i c\u1ee7a \u0111\u1ed9 c\u1ee9ng. <\/p>\n\n\n\n<p>N\u1ebfu t\u1ed1c \u0111\u1ed9 quay c\u1ee7a thi\u1ebft b\u1ecb l\u00e0 \u0111\u1ed3ng \u0111\u1ec1u, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 lo\u1ea1i rung \u0111\u1ed9ng n\u00e0y c\u00f3 \u0111\u1ed9 ch\u1eafc ch\u1eafn. Khi t\u00edn hi\u1ec7u c\u00f3 t\u00e1c \u0111\u1ed9ng sau m\u1ed9t th\u1eddi gian, nh\u1eefng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y tr\u1ef1c quan trong bi\u1ec3u \u0111\u1ed3 gia t\u1ed1c th\u1eddi gian c\u1ee7a rung \u0111\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"harbour-portal-crane-slewing-bearing-replacement-scheme\">S\u01a1 \u0111\u1ed3 thay th\u1ebf \u1ed5 tr\u1ee5c quay c\u1ea7n tr\u1ee5c c\u1ed5ng c\u1ea3ng<\/h2>\n\n\n\n<p>Vi\u1ec7c thay th\u1ebf v\u00f2ng bi tr\u1ee5c quay c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea3ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 \u0111\u01a1n gi\u1ea3n, c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n theo 6 b\u01b0\u1edbc sau.<\/p>\n\n\n\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 s\u1eed d\u1ee5ng \u1ed5 tr\u1ee5c k\u00edch. T\u1ed5ng c\u1ed9ng c\u1ea7n chu\u1ea9n b\u1ecb 4 \u1ed5 tr\u1ee5c k\u00edch, sau \u0111\u00f3 h\u00e0n tr\u1ef1c ti\u1ebfp v\u00e0o ph\u1ea7n tr\u00ean c\u1ee7a xi lanh. C\u1ea7n c\u00f3 kho\u1ea3ng c\u00e1ch l\u1edbn h\u01a1n gi\u1eefa hai \u1ed5 tr\u1ee5c \u0111\u1eb7t \u1edf ph\u00eda tr\u01b0\u1edbc. Th\u00f4ng th\u01b0\u1eddng, kho\u1ea3ng c\u00e1ch n\u00e0y l\u1edbn h\u01a1n \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a b\u00e1nh r\u0103ng v\u00e0nh l\u1edbn. \u0110\u1ed3ng th\u1eddi, c\u1ea7n chu\u1ea9n b\u1ecb nhi\u1ec1u mi\u1ebfng \u0111\u1ec7m. Nh\u1eefng mi\u1ebfng \u0111\u1ec7m n\u00e0y kh\u00f4ng c\u1ea7n ph\u1ea3i c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 d\u00e0y. C\u1ea7n tr\u1ee5c n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf n\u01a1i c\u00f3 bi\u00ean \u0111\u1ed9 l\u1edbn nh\u1ea5t. L\u00fac n\u00e0y, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o bi\u00ean \u0111\u1ed9 \u0111\u1ec3 \u0111o tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a c\u1ea7n thi\u1ebft t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, sau \u0111\u00f3 s\u1eed d\u1ee5ng m\u00f3c \u0111\u1ec3 n\u00e2ng n\u00f3 l\u00ean.<\/p>\n\n\n\n<p>B\u01b0\u1edbc th\u1ee9 hai l\u00e0 nh\u1ea5c m\u00f3c m\u00f3c \u0111\u1ed1i tr\u1ecdng l\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch gi\u1eefa m\u00f3c v\u00e0 m\u1eb7t \u0111\u1ea5t kho\u1ea3ng 10 cm, sau \u0111\u00f3 \u0111\u1ec3 n\u00f3 kh\u00f4ng di chuy\u1ec3n n\u1eefa. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i kh\u00f3a tr\u1ef1c ti\u1ebfp thi\u1ebft b\u1ecb neo ch\u1ed1ng gi\u00f3 c\u1ee7a b\u00e0n xoay, nh\u1ea5c h\u1ed9p s\u1ed1 quay v\u00e0 b\u00e1nh r\u0103ng quay \u0111\u00e3 th\u00e1o kh\u1ecfi v\u00edt ch\u00e2n, v\u00e0 \u0111\u1eb7t t\u1ea5t c\u1ea3 l\u00ean b\u00e0n xoay. C\u1ea9n th\u1eadn kh\u00f4ng \u0111\u1ec3 n\u00f3 quay v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0y v\u00e0 gi\u1eef cho n\u00f3 \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p>\u1ede b\u01b0\u1edbc th\u1ee9 ba, c\u1ea7n s\u1eed d\u1ee5ng th\u00e9p k\u00eanh 16#, ch\u1ee7 y\u1ebfu \u0111\u1ec3 \u0111\u00f3ng vai tr\u00f2 h\u1ed7 tr\u1ee3 trong t\u01b0\u01a1ng lai, v\u00ec c\u1ea7n \u0111\u1ec3 gi\u00e1 \u0111\u1ee1 k\u00edch m\u1edbi h\u00e0n d\u1ef1a v\u00e0o th\u00e9p k\u00eanh. L\u00fac n\u00e0y, c\u1ea7n quy\u1ebft \u0111\u1ecbnh xem c\u00f3 n\u00ean th\u00e1o v\u00f2ng tr\u01b0\u1ee3t trung t\u00e2m hay kh\u00f4ng d\u1ef1a tr\u00ean t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf. \u0110\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho b\u00e1nh r\u0103ng v\u00e0nh \u0111ai l\u1edbn tr\u01b0\u1ee3t linh ho\u1ea1t, c\u0169ng c\u1ea7n c\u00f3 m\u1ed9t b\u1ec7 nh\u1ecf, th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng ngay tr\u01b0\u1edbc b\u00e0n xoay. Sau \u0111\u00f3, b\u1ea1n ph\u1ea3i th\u00e1o tr\u1ef1c ti\u1ebfp c\u00e1c bu l\u00f4ng b\u00e1nh r\u0103ng v\u00e0nh \u0111ai l\u1edbn v\u00e0 sau khi m\u1edf k\u00edch, b\u1ea1n s\u1ebd th\u1ea5y b\u00e0n xoay \u0111ang t\u1eeb t\u1eeb n\u00e2ng l\u00ean. Sau khi th\u00e1o t\u1ea5t c\u1ea3 c\u00e1c bu l\u00f4ng thu\u1ed9c s\u1edf h\u1eefu c\u1ee7a b\u00e1nh r\u0103ng v\u00e0nh \u0111ai l\u1edbn, c\u1ea7n l\u1eafp t\u1eddi x\u00edch theo chi\u1ec1u ngang \u0111\u1ec3 b\u00e1nh r\u0103ng l\u1edbn xu\u1ea5t hi\u1ec7n tr\u1ef1c ti\u1ebfp tr\u00ean b\u1ec7 nh\u1ecf.<\/p>\n\n\n\n<p>B\u01b0\u1edbc th\u1ee9 t\u01b0, b\u00e1nh r\u0103ng v\u00e0nh \u0111ai l\u1edbn tr\u01b0\u1edbc \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00e1o tr\u1ef1c ti\u1ebfp b\u1eb1ng c\u1ea7n c\u1ea9u \u00f4 t\u00f4, sau \u0111\u00f3 ki\u1ec3m tra m\u1eb7t ph\u1eb3ng c\u1ee7a n\u00f3 v\u00e0 c\u1ea7n ph\u1ea3i c\u00f3 thi\u1ebft b\u1ecb laser \u0111\u1ec3 ki\u1ec3m tra. N\u1ebfu \u0111\u1ed9 kh\u00f4ng b\u1eb1ng ph\u1eb3ng v\u01b0\u1ee3t qu\u00e1 ti\u00eau chu\u1ea9n, c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng bi\u1ec7n ph\u00e1p s\u1eeda ch\u1eefa ngay l\u1eadp t\u1ee9c \u0111\u1ec3 s\u1eeda ch\u1eefa. B\u00e1nh r\u0103ng v\u00e0nh \u0111ai l\u1edbn m\u1edbi c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111\u1ea7y d\u1ea7u b\u00f4i tr\u01a1n, t\u1ea5t nhi\u00ean, b\u01b0\u1edbc n\u00e0y c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u1eb7t \u0111\u1ea5t.<\/p>\n\n\n\n<p>B\u01b0\u1edbc th\u1ee9 n\u0103m l\u00e0 l\u1eafp b\u00e1nh r\u0103ng v\u00e0nh m\u1edbi. T\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc l\u1eafp \u0111\u1eb7t \u0111\u1ec1u ho\u00e0n to\u00e0n ng\u01b0\u1ee3c l\u1ea1i v\u1edbi b\u01b0\u1edbc tr\u01b0\u1edbc. T\u1ea5t nhi\u00ean, t\u1ea5t c\u1ea3 c\u00e1c bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao c\u1ea7n l\u1eafp \u0111\u1eb7t \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 c\u00e1c b\u01b0\u1edbc l\u1eafp \u0111\u1eb7t ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. Sau khi l\u1eafp \u0111\u1eb7t xong, c\u1ea7n ph\u1ea3i ti\u1ebfn h\u00e0nh nghi\u1ec7m thu v\u00e0 c\u00e1c thanh ch\u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c th\u00e1o ra sau khi x\u00e1c \u0111\u1ecbnh k\u1ebft qu\u1ea3 \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n\n\n\n<p>B\u01b0\u1edbc th\u1ee9 s\u00e1u l\u00e0 \u0111\u01b0a to\u00e0n b\u1ed9 m\u00e1y v\u00e0o s\u1ea3n xu\u1ea5t v\u00e0 n\u1ea1p l\u1ea1i, sau 4 gi\u1edd, b\u1ea1n c\u1ea7n ki\u1ec3m tra l\u1ea1i to\u00e0n b\u1ed9 c\u00e1c bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u l\u1ecfng l\u1ebbo th\u00ec m\u1edbi c\u00f3 th\u1ec3 ch\u00ednh th\u1ee9c b\u00e0n giao m\u00e1y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>T\u00f3m l\u1ea1i, trong thi\u1ebft b\u1ecb c\u1ea7n c\u1ea9u, \u1ed5 tr\u1ee5c \u1ed5 tr\u1ee5c xoay c\u00f3 vai tr\u00f2 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng, c\u00f3 th\u1ec3 n\u00f3i l\u00e0 th\u00e0nh ph\u1ea7n then ch\u1ed1t, n\u1ebfu h\u1ecfng h\u00f3c ch\u1eafc ch\u1eafn s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea7n c\u1ea9u, ch\u1ec9 c\u00f3 ph\u00e2n t\u00edch, t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n h\u1ecfng h\u00f3c v\u00e0 t\u00ecm ra gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c th\u00ec m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea7n c\u1ea9u c\u1ed5ng tr\u1ee5c \u0111\u1ee7 an to\u00e0n trong c\u00f4ng vi\u1ec7c sau n\u00e0y.<\/p>","protected":false},"excerpt":{"rendered":"B\u1ea5t k\u1ec3 lo\u1ea1i c\u1ea7n c\u1ea9u n\u00e0o, \u0111\u1ec1u s\u1ebd c\u00f3 \u1ed5 tr\u1ee5c xoay c\u1ea7n c\u1ea9u c\u1ed5ng c\u1ea3ng. \u0110\u00e2y l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a k\u1ebft c\u1ea5u c\u1ea7n c\u1ea9u. \u1ed4 tr\u1ee5c xoay c\u1ea7n c\u1ea9u c\u1ed5ng c\u1ea3ng kh\u00f4ng ch\u1ec9 gi\u00fap c\u1ea7n c\u1ea9u \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh m\u00e0 c\u00f2n n\u00e2ng cao hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c. T\u1ea5t nhi\u00ean, s\u1ebd kh\u00f4ng tr\u00e1nh kh\u1ecfi nh\u1eefng h\u1ecfng h\u00f3c. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o [\u2026]","protected":false},"featured_media":10956,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[377,310],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/10955"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":4,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/10955\/revisions"}],"predecessor-version":[{"id":10960,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/10955\/revisions\/10960"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/media\/10956"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/media?parent=10955"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/posts_category?post=10955"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=10955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}