{"id":6687,"date":"2024-02-08T16:48:07","date_gmt":"2024-02-08T08:48:07","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6687"},"modified":"2026-06-18T16:49:24","modified_gmt":"2026-06-18T08:49:24","slug":"how-vibration-affects-fastener-loosening-and-failure-risk","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/how-vibration-affects-fastener-loosening-and-failure-risk\/","title":{"rendered":"Rung \u0111\u1ed9ng \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn vi\u1ec7c n\u1edbi l\u1ecfng chi ti\u1ebft si\u1ebft ch\u1eb7t v\u00e0 nguy c\u01a1 h\u1ecfng h\u00f3c"},"content":{"rendered":"<p>Rung l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd do ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn c\u00e1c m\u1ed1i n\u1ed1i bu l\u00f4ng m\u1ea5t \u0111\u1ed9 tin c\u1eady trong m\u00e1y m\u00f3c, ph\u01b0\u01a1ng ti\u1ec7n, m\u00e1y b\u01a1m, m\u00e1y n\u00e9n, thi\u1ebft b\u1ecb khai th\u00e1c m\u1ecf, h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng gi\u00f3 v\u00e0 c\u00e1c t\u1ed5 h\u1ee3p c\u00f4ng nghi\u1ec7p n\u1eb7ng.<\/p>\n\n\n\n<p>Nh\u00ecn t\u1eeb b\u00ean ngo\u00e0i, v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n: \u201c\u0111ai \u1ed1c b\u1ecb l\u1ecfng\u201d ho\u1eb7c \u201cbu l\u00f4ng b\u1ecb g\u00e3y\u201d. Trong th\u1ef1c t\u1ebf, vi\u1ec7c n\u1edbi l\u1ecfng th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u s\u1edbm h\u01a1n. Kh\u1edbp m\u1ea5t t\u1ea3i tr\u01b0\u1edbc. C\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u1eb9p b\u1eaft \u0111\u1ea7u di chuy\u1ec3n. Sau \u0111\u00f3 l\u00e0 m\u00f2n, m\u1ecfi, h\u01b0 ch\u1ec9 ho\u1eb7c g\u00e3y.<\/p>\n\n\n\n<p>Ch\u1ec9 m\u1ed9t bu-l\u00f4ng m\u1ea1nh h\u01a1n kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 n\u00e0y. Kh\u1ea3 n\u0103ng ch\u1ed1ng rung ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng bu\u1ed9c ch\u1eb7t \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao \u1ed1c v\u00edt n\u1edbi l\u1ecfng khi rung<\/h2>\n\n\n\n<p>M\u1ed1i n\u1ed1i bu l\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u00ec bu l\u00f4ng b\u1ecb k\u00e9o c\u0103ng trong qu\u00e1 tr\u00ecnh si\u1ebft ch\u1eb7t. S\u1ef1 c\u0103ng \u0111\u00f3 t\u1ea1o ra t\u1ea3i tr\u01b0\u1edbc, k\u1eb9p c\u00e1c b\u1ed9 ph\u1eadn l\u1ea1i v\u1edbi nhau.<\/p>\n\n\n\n<p>Khi rung \u0111\u1ed9ng t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u1eb9p, kh\u1edbp n\u1ed1i c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u tr\u01b0\u1ee3t. Khi qu\u00e1 tr\u00ecnh tr\u01b0\u1ee3t b\u1eaft \u0111\u1ea7u, ren v\u00e0 b\u1ec1 m\u1eb7t \u1ed5 tr\u1ee5c s\u1ebd tr\u1ea3i qua nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng nh\u1ecf l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u1ea3i tr\u01b0\u1edbc v\u00e0 cho ph\u00e9p \u0111ai \u1ed1c ho\u1eb7c bu l\u00f4ng quay l\u1ecfng l\u1ebbo.<\/p>\n\n\n\n<p>Trong nhi\u1ec1u l\u1ea7n h\u1ecfng h\u00f3c t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, bu-l\u00f4ng kh\u00f4ng n\u1edbi l\u1ecfng \u0111\u01b0\u1ee3c v\u00ec n\u00f3 \u201ct\u1ec7\u201d. N\u00f3 b\u1ecb l\u1ecfng do m\u1ed1i n\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf, si\u1ebft ch\u1eb7t ho\u1eb7c c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 ch\u1ed1ng rung.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp r\u00e1p nh\u1ea1y c\u1ea3m v\u1edbi rung \u0111\u1ed9ng, ng\u01b0\u1eddi mua n\u00ean xem x\u00e9t ph\u00f9 h\u1ee3p <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/high-strength-fasteners\/\">\u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a> v\u00e0 x\u00e1c nh\u1eadn h\u1ec7 th\u1ed1ng v\u00f2ng \u0111\u1ec7m bu l\u00f4ng-\u0111ai \u1ed1c \u0111\u1ea7y \u0111\u1ee7 tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u01a1 ch\u1ebf n\u1edbi l\u1ecfng ch\u00ednh<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ea5t t\u1ea3i tr\u01b0\u1edbc<\/h3>\n\n\n\n<p>M\u1ea5t t\u1ea3i tr\u01b0\u1edbc c\u00f3 th\u1ec3 x\u1ea3y ra tr\u01b0\u1edbc khi n\u1edbi l\u1ecfng r\u00f5 r\u00e0ng. C\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn bao g\u1ed3m b\u1ecb nh\u00fang, v\u00f2ng \u0111\u1ec7m m\u1ec1m, b\u1ec1 m\u1eb7t \u1ed5 tr\u1ee5c g\u1ed3 gh\u1ec1, l\u1ef1c n\u00e9n c\u1ee7a mi\u1ebfng \u0111\u1ec7m, \u0111\u1ed9 l\u00fan c\u1ee7a l\u1edbp ph\u1ee7 ho\u1eb7c \u0111\u1ed9 si\u1ebft kh\u00f4ng \u0111\u1ee7.<\/p>\n\n\n\n<p>Khi t\u1ea3i tr\u01b0\u1edbc gi\u1ea3m xu\u1ed1ng, kh\u1edbp s\u1ebd d\u1ec5 d\u00e0ng di chuy\u1ec3n h\u01a1n khi c\u00f3 rung.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">N\u1edbi l\u1ecfng quay<\/h3>\n\n\n\n<p>S\u1ef1 l\u1ecfng l\u1ebbo do quay x\u1ea3y ra khi rung \u0111\u1ed9ng l\u00e0m cho \u0111ai \u1ed1c ho\u1eb7c bu l\u00f4ng quay tr\u1edf l\u1ea1i. N\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn khi chuy\u1ec3n \u0111\u1ed9ng ngang t\u00e1c \u0111\u1ed9ng qua kh\u1edbp.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 rung nh\u01b0 ki\u1ec3m tra Junker th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 so s\u00e1nh hi\u1ec7u su\u1ea5t kh\u00f3a d\u01b0\u1edbi t\u1ea3i \u0111\u1ed9ng ngang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ea5t b\u1ea1i m\u1ec7t m\u1ecfi<\/h3>\n\n\n\n<p>N\u1ebfu m\u1ed1i n\u1ed1i l\u1ecfng l\u1ebbo nh\u01b0ng v\u1eabn ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng, bu l\u00f4ng c\u00f3 th\u1ec3 ch\u1ecbu t\u1ea3i tr\u1ecdng u\u1ed1n ho\u1eb7c k\u00e9o dao \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. Theo th\u1eddi gian, c\u00e1c v\u1ebft n\u1ee9t c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u \u1edf g\u1ed1c ren, d\u01b0\u1edbi \u0111\u1ea7u ren ho\u1eb7c t\u1ea1i c\u00e1c \u0111i\u1ec3m t\u1eadp trung \u1ee9ng su\u1ea5t.<\/p>\n\n\n\n<p>\u0110\u00f3 l\u00e0 l\u00fac v\u1ea5n \u0111\u1ec1 chuy\u1ec3n t\u1eeb l\u1ecfng l\u1ebbo sang th\u1ea5t b\u1ea1i.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Hi\u1ec7u \u1ee9ng rung<\/th><th>K\u1ebft qu\u1ea3 \u0111i\u1ec3n h\u00ecnh<\/th><th>D\u1ea5u hi\u1ec7u tr\u01b0\u1eddng chung<\/th><\/tr><\/thead><tbody><tr><td>M\u1ea5t t\u1ea3i tr\u01b0\u1edbc<\/td><td>Chuy\u1ec3n \u0111\u1ed9ng kh\u1edbp<\/td><td>C\u1ea7n ph\u1ea3i si\u1ebft l\u1ea1i nhi\u1ec1u l\u1ea7n<\/td><\/tr><tr><td>N\u1edbi l\u1ecfng quay<\/td><td>Nut l\u00f9i l\u1ea1i<\/td><td>Khe h\u1edf c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y ho\u1eb7c v\u00f2ng \u0111\u1ec7m l\u1ecfng l\u1ebbo<\/td><\/tr><tr><td>Fretting<\/td><td>M\u1eb7c b\u1ec1 m\u1eb7t<\/td><td>B\u1ed9t m\u00e0u t\u1ed1i ho\u1eb7c v\u1ebft ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng<\/td><\/tr><tr><td>N\u1ee9t m\u1ecfi<\/td><td>g\u00e3y bu l\u00f4ng<\/td><td>Ph\u00e1 v\u1ee1 g\u1ea7n ch\u1ee7 \u0111\u1ec1 tham gia \u0111\u1ea7u ti\u00ean<\/td><\/tr><tr><td>H\u01b0 h\u1ecfng ch\u1ec9<\/td><td>L\u1eafp r\u00e1p l\u1ea1i k\u00e9m<\/td><td>C\u00e1c lo\u1ea1i h\u1ea1t ch\u1eb7t ho\u1eb7c b\u1ecb t\u01b0\u1edbc<\/td><\/tr><tr><td>Thi\u1ec7t h\u1ea1i l\u1edbp ph\u1ee7<\/td><td>\u0102n m\u00f2n nhanh h\u01a1n<\/td><td>R\u1ec9 s\u00e9t g\u1ea7n b\u1ec1 m\u1eb7t \u1ed5 tr\u1ee5c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">N\u01a1i th\u01b0\u1eddng x\u1ea3y ra v\u1ea5n \u0111\u1ec1 v\u1ec1 rung<\/h2>\n\n\n\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 chi ti\u1ebft si\u1ebft ch\u1eb7t li\u00ean quan \u0111\u1ebfn rung \u0111\u1ed9ng th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e1y b\u01a1m v\u00e0 \u0111\u1ed9ng c\u01a1<\/li>\n\n\n\n<li>M\u00e1y n\u00e9n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/li>\n\n\n\n<li>M\u00e1y nghi\u1ec1n v\u00e0 m\u00e0n h\u00ecnh<\/li>\n\n\n\n<li>M\u00e1y m\u00f3c n\u00f4ng nghi\u1ec7p<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb \u0111\u01b0\u1eddng s\u1eaft v\u00e0 v\u1eadn t\u1ea3i<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb x\u00e2y d\u1ef1ng<\/li>\n\n\n\n<li>Linh ki\u1ec7n \u0111i\u1ec7n gi\u00f3<\/li>\n\n\n\n<li>Gi\u00e1 \u0111\u1ee1 v\u00e0 gi\u00e1 \u0111\u1ee1 \u1ed1ng<\/li>\n\n\n\n<li>Khung v\u00e0 t\u1ea5m \u0111\u1ebf ch\u1ecbu l\u1ef1c cao<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp r\u00e1p c\u00f4ng nghi\u1ec7p ti\u00eau chu\u1ea9n, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 so s\u00e1nh <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> \u0111\u1ea7u ti\u00ean, sau \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh xem c\u00f3 c\u1ea7n h\u1ec7 th\u1ed1ng ch\u1ed1ng n\u1edbi l\u1ecfng \u0111\u1eb7c bi\u1ec7t hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao ch\u1ec9 m\u00f4-men xo\u1eafn l\u00e0 kh\u00f4ng \u0111\u1ee7<\/h2>\n\n\n\n<p>M\u00f4-men xo\u1eafn ch\u1ec9 l\u00e0 c\u00e1ch gi\u00e1n ti\u1ebfp \u0111\u1ec3 t\u1ea1o ra t\u1ea3i tr\u01b0\u1edbc. N\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi ma s\u00e1t.<\/p>\n\n\n\n<p>C\u00f9ng m\u1ed9t m\u00f4-men xo\u1eafn c\u00f3 th\u1ec3 t\u1ea1o ra l\u1ef1c k\u1eb9p kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o t\u00ecnh tr\u1ea1ng ren, l\u1edbp ph\u1ee7, ch\u1ea5t b\u00f4i tr\u01a1n, \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t. Bu l\u00f4ng m\u1ea1 k\u1ebdm, bu l\u00f4ng m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, bu l\u00f4ng ph\u1ee7 s\u01a1n v\u00e0 bu l\u00f4ng th\u00e9p kh\u00f4ng g\u1ec9 s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nhau. (PTFE)<\/p>\n\n\n\n<p>\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u1ec1 rung \u0111\u1ed9ng x\u1ea3y ra do \u201cm\u00f4 men xo\u1eafn ch\u00ednh x\u00e1c\u201d t\u00e1c d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n ma s\u00e1t sai.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m \u0111\u01b0\u1ee3c ph\u1ee7, h\u00e3y so s\u00e1nh <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> v\u00e0 x\u00e1c nh\u1eadn xem gi\u00e1 tr\u1ecb m\u00f4men xo\u1eafn c\u00f3 d\u1ef1a tr\u00ean ren kh\u00f4, ren \u0111\u01b0\u1ee3c b\u00f4i d\u1ea7u, b\u00f4i s\u00e1p hay \u0111\u01b0\u1ee3c ph\u1ee7 hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c t\u00f9y ch\u1ecdn v\u00e0 gi\u1edbi h\u1ea1n ch\u1ed1ng n\u1edbi l\u1ecfng<\/h2>\n\n\n\n<p>Kh\u00f4ng c\u00f3 s\u1ea3n ph\u1ea9m ch\u1ed1ng n\u1edbi l\u1ecfng n\u00e0o c\u00f3 t\u00e1c d\u1ee5ng trong m\u1ecdi t\u00ecnh hu\u1ed1ng. S\u1ef1 l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 rung \u0111\u1ed9ng, nhi\u1ec7t \u0111\u1ed9, s\u1ef1 \u0103n m\u00f2n, nhu c\u1ea7u b\u1ea3o tr\u00ec v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u00f9y ch\u1ecdn<\/th><th>S\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p<\/th><th>Limitation<\/th><\/tr><\/thead><tbody><tr><td>\u0110ai \u1ed1c kh\u00f3a ch\u00e8n nylon<\/td><td>\u0110\u1ed9 rung nh\u1eb9 \u0111\u1ebfn trung b\u00ecnh<\/td><td>Kh\u00f4ng th\u00edch h\u1ee3p v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao<\/td><\/tr><tr><td>\u0110ai \u1ed1c kh\u00f3a ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i<\/td><td>Nhi\u1ec7t v\u00e0 \u0111\u1ed9 rung<\/td><td>Y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh<\/td><\/tr><tr><td>\u0110ai \u1ed1c m\u1eb7t b\u00edch c\u00f3 r\u0103ng c\u01b0a<\/td><td>Gi\u00e1 \u0111\u1ee1 v\u00e0 t\u1ea5m l\u1eafp r\u00e1p<\/td><td>C\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t ph\u1ee7<\/td><\/tr><tr><td>V\u00f2ng \u0111\u1ec7m kh\u00f3a n\u00eam<\/td><td>Rung \u0111\u1ed9ng ngang nghi\u00eam tr\u1ecdng<\/td><td>Ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t nh\u01b0 m\u1ed9t c\u1eb7p ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>Ch\u1ea5t k\u1ebft d\u00ednh kh\u00f3a ren<\/td><td>M\u00e1y m\u00f3c nh\u1ecf v\u00e0 b\u1ea3o tr\u00ec<\/td><td>C\u1ea7n l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t v\u00e0 th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng<\/td><\/tr><tr><td>\u0110ai \u1ed1c \u0111\u00f4i<\/td><td>Gi\u1ea3i ph\u00e1p l\u0129nh v\u1ef1c truy\u1ec1n th\u1ed1ng<\/td><td>Y\u00eau c\u1ea7u \u0111\u00fang quy tr\u00ecnh kh\u00f3a<\/td><\/tr><tr><td>D\u00e2y an to\u00e0n \/ ch\u1ed1t ch\u1ed1t<\/td><td>Gi\u1eef v\u1ecb tr\u00ed<\/td><td>Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng duy tr\u00ec t\u1ea3i tr\u01b0\u1edbc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p s\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m, ng\u01b0\u1eddi mua n\u00ean xem x\u00e9t <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/washers\/\">s\u1ea3n ph\u1ea9m v\u00f2ng \u0111\u1ec7m<\/a> v\u00e0 x\u00e1c nh\u1eadn \u0111\u1ed9 c\u1ee9ng, k\u00edch th\u01b0\u1edbc v\u00e0 h\u01b0\u1edbng l\u1eafp \u0111\u1eb7t c\u1ee7a v\u00f2ng \u0111\u1ec7m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi mua<\/h2>\n\n\n\n<p>M\u1ed9t s\u1ed1 sai l\u1ea7m l\u1eb7p l\u1ea1i trong c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ec9 ch\u1ecdn theo c\u1ea5p bu l\u00f4ng.<\/li>\n\n\n\n<li>Gi\u1ea3 s\u1eed v\u00f2ng \u0111\u1ec7m l\u00f2 xo gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c rung \u0111\u1ed9ng nghi\u00eam tr\u1ecdng.<\/li>\n\n\n\n<li>Tr\u1ed9n bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m t\u1eeb c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau.<\/li>\n\n\n\n<li>B\u1ecf qua \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m \u1edf c\u00e1c m\u1ed1i n\u1ed1i t\u1ea3i tr\u01b0\u1edbc cao.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng bi\u1ec3u \u0111\u1ed3 m\u00f4-men xo\u1eafn chung m\u00e0 kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u l\u1edbp ph\u1ee7.<\/li>\n\n\n\n<li>T\u00e1i s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a m\u00e0 kh\u00f4ng c\u00f3 quy t\u1eafc t\u00e1i s\u1eed d\u1ee5ng x\u00e1c \u0111\u1ecbnh.<\/li>\n\n\n\n<li>Ch\u1ecdn th\u00e9p kh\u00f4ng g\u1ec9 m\u00e0 kh\u00f4ng t\u00ednh \u0111\u1ebfn s\u1ef1 \u0103n m\u00f2n.<\/li>\n\n\n\n<li>Kh\u00f4ng ki\u1ec3m tra \u0111\u1ed9 kh\u00edt c\u1ee7a ren sau khi ph\u1ee7.<\/li>\n\n\n\n<li>\u0110\u1ec3 l\u1ea1i tr\u00ecnh t\u1ef1 th\u1eaft ch\u1eb7t cho tr\u00ecnh c\u00e0i \u0111\u1eb7t.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ea5u tr\u00fac kh\u00f3a \u0111\u1eb7c bi\u1ec7t, c\u00e1c ren b\u1ea5t th\u01b0\u1eddng ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn d\u1ef1a tr\u00ean b\u1ea3n v\u1ebd, h\u00e3y s\u1eed d\u1ee5ng <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/custom-non-standard-fasteners\/\">\u1ed1c v\u00edt phi ti\u00eau chu\u1ea9n t\u00f9y ch\u1ec9nh<\/a> v\u00e0 x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng y\u00eau c\u1ea7u ch\u1ed1ng n\u1edbi l\u1ecfng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra ph\u00f2ng ng\u1eeba th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t c\u00e1c \u1ed1c v\u00edt cho m\u1ed1i n\u1ed1i d\u1ec5 b\u1ecb rung, h\u00e3y x\u00e1c nh\u1eadn:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Lo\u1ea1i t\u1ea3i: t\u0129nh, \u0111\u1ed9ng, c\u1eaft, k\u00e9o ho\u1eb7c k\u1ebft h\u1ee3p<\/li>\n\n\n\n<li>L\u1edbp bu l\u00f4ng v\u00e0 v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>C\u1ea5p \u0111ai \u1ed1c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00f3a<\/li>\n\n\n\n<li>Lo\u1ea1i v\u00f2ng \u0111\u1ec7m, \u0111\u1ed9 c\u1ee9ng, ID, OD v\u00e0 \u0111\u1ed9 d\u00e0y<\/li>\n\n\n\n<li>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n v\u00e0 t\u00ecnh tr\u1ea1ng ma s\u00e1t<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p m\u00f4-men xo\u1eafn, t\u1ea3i tr\u01b0\u1edbc ho\u1eb7c th\u1eaft ch\u1eb7t<\/li>\n\n\n\n<li>T\u00ecnh tr\u1ea1ng b\u00f4i tr\u01a1n<\/li>\n\n\n\n<li>Tr\u00ecnh t\u1ef1 si\u1ebft ch\u1eb7t m\u1ed1i n\u1ed1i nhi\u1ec1u bu l\u00f4ng<\/li>\n\n\n\n<li>Quy t\u1eafc t\u00e1i s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a ho\u1eb7c \u1ed1c v\u00edt c\u00f3 l\u1edbp ph\u1ee7<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra sau khi l\u1eafp \u0111\u1eb7t<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch s\u1ea3n ph\u1ea9m ho\u00e0n ch\u1ec9nh, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem l\u1ea1i to\u00e0n b\u1ed9 <a href=\"https:\/\/xzfastener.com\/vi\/home\/products\/\">s\u1ea3n ph\u1ea9m chi ti\u1ebft si\u1ebft ch\u1eb7t<\/a> ph\u1ea1m vi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>Rung l\u00e0m t\u0103ng nguy c\u01a1 n\u1edbi l\u1ecfng v\u00e0 h\u01b0 h\u1ecfng chi ti\u1ebft si\u1ebft ch\u1eb7t b\u1eb1ng c\u00e1ch gi\u1ea3m t\u1ea3i tr\u01b0\u1edbc, t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a kh\u1edbp v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 m\u1ecfi. Gi\u1ea3i ph\u00e1p kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t chi\u1ebfc bu-l\u00f4ng ch\u1eafc ch\u1eafn h\u01a1n.<\/p>\n\n\n\n<p>C\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00e1ng tin c\u1eady l\u00e0 thi\u1ebft k\u1ebf v\u00e0 mua h\u1ec7 th\u1ed1ng bu\u1ed9c ch\u1eb7t ho\u00e0n ch\u1ec9nh: bu l\u00f4ng, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, l\u1edbp ph\u1ee7, ph\u01b0\u01a1ng ph\u00e1p kh\u00f3a, quy tr\u00ecnh si\u1ebft ch\u1eb7t v\u00e0 quy t\u1eafc ki\u1ec3m tra. Khi c\u00e1c chi ti\u1ebft n\u00e0y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t v\u00e0 l\u1eafp \u0111\u1eb7t, m\u1ed1i n\u1ed1i s\u1ebd c\u00f3 c\u01a1 h\u1ed9i \u0111\u01b0\u1ee3c gi\u1eef ch\u1eb7t t\u1ed1t h\u01a1n trong s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vibration is one of the most common reasons bolted joints lose reliability in machinery, vehicles, pumps, compressors, mining equipment, wind power systems, and heavy industrial assemblies. From the outside, the problem often looks simple: \u201cthe nut came loose\u201d or \u201cthe bolt broke.\u201d In practice, loosening usually starts earlier. The joint loses preload. The clamped parts [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[479],"tags":[],"class_list":["post-6687","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=6687"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6687\/revisions"}],"predecessor-version":[{"id":6688,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6687\/revisions\/6688"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}