{"id":6546,"date":"2023-08-10T14:42:58","date_gmt":"2023-08-10T06:42:58","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6546"},"modified":"2026-06-17T14:44:18","modified_gmt":"2026-06-17T06:44:18","slug":"controlled-tightening-methods-for-high-strength-fasteners","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/controlled-tightening-methods-for-high-strength-fasteners\/","title":{"rendered":"C\u00e1c ph\u01b0\u01a1ng ph\u00e1p si\u1ebft ch\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t d\u00e0nh cho \u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao"},"content":{"rendered":"<p>Ch\u1ed1t c\u01b0\u1eddng \u0111\u1ed9 cao kh\u00f4ng ch\u1ec9 b\u1ecb h\u1ecfng do bu-l\u00f4ng y\u1ebfu. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, c\u1ea5p \u0111\u1ed9 bu l\u00f4ng \u0111\u00fang, v\u1eadt li\u1ec7u \u0111\u00fang v\u00e0 l\u1edbp ph\u1ee7 tr\u00f4ng \u1ed5n. V\u1ea5n \u0111\u1ec1 b\u1eaft \u0111\u1ea7u trong qu\u00e1 tr\u00ecnh th\u1eaft ch\u1eb7t.<\/p>\n\n\n\n<p>M\u1ed9t bu l\u00f4ng c\u1ea5p, v\u00edt \u1ed5 c\u1eafm c\u1ea5p, bu l\u00f4ng \u0111inh t\u00e1n ho\u1eb7c bu l\u00f4ng k\u1ebft c\u1ea5u c\u1ea7n si\u1ebft ch\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t v\u00ec l\u1ef1c k\u1eb9p r\u1ea5t quan tr\u1ecdng. N\u1ebfu t\u1ea3i tr\u01b0\u1edbc qu\u00e1 th\u1ea5p, kh\u1edbp c\u00f3 th\u1ec3 b\u1ecb l\u1ecfng. N\u1ebfu t\u1ea3i tr\u01b0\u1edbc qu\u00e1 cao, bu-l\u00f4ng c\u00f3 th\u1ec3 b\u1ecb nh\u00e3o, ren c\u00f3 th\u1ec3 b\u1ecb bong ra ho\u1eb7c b\u1ec1 m\u1eb7t m\u1ed1i n\u1ed1i c\u00f3 th\u1ec3 b\u1ecb bi\u1ebfn d\u1ea1ng. (ASTM, 10.9, 12.9)<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c ph\u01b0\u01a1ng ph\u00e1p si\u1ebft ch\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t l\u1ea1i c\u1ea7n thi\u1ebft cho m\u00e1y m\u00f3c t\u1ea3i tr\u1ecdng cao, k\u1ebft c\u1ea5u th\u00e9p, n\u0103ng l\u01b0\u1ee3ng gi\u00f3, xe h\u1ea1ng n\u1eb7ng, m\u1ed1i n\u1ed1i m\u1eb7t b\u00edch v\u00e0 c\u00e1c c\u1ee5m l\u1eafp r\u00e1p quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao v\u1ea5n \u0111\u1ec1 th\u1eaft ch\u1eb7t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/h2>\n\n\n\n<p>M\u1ed1i n\u1ed1i b\u1eaft v\u00edt ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng t\u1ea3i tr\u01b0\u1edbc. Khi chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t, bu l\u00f4ng s\u1ebd gi\u00e3n ra m\u1ed9t ch\u00fat v\u00e0 k\u1eb9p c\u00e1c b\u1ed9 ph\u1eadn kh\u1edbp l\u1ea1i v\u1edbi nhau.<\/p>\n\n\n\n<p>M\u00f4-men xo\u1eafn ch\u1ec9 l\u00e0 \u0111\u1ea7u v\u00e0o. T\u1ea3i tr\u01b0\u1edbc l\u00e0 k\u1ebft qu\u1ea3.<\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 \u0111\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi ma s\u00e1t ren, l\u1edbp ph\u1ee7, b\u00f4i tr\u01a1n, \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m, \u0111\u1ed9 ph\u1eb3ng b\u1ec1 m\u1eb7t, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 tr\u00ecnh t\u1ef1 si\u1ebft ch\u1eb7t.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua t\u00ecm ngu\u1ed3n cung \u1ee9ng <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/high-strength-fasteners\/\">\u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a>, c\u00e1c y\u00eau c\u1ea7u th\u1eaft ch\u1eb7t ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t, kh\u00f4ng giao cho ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t t\u1ea1i ch\u1ed7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eaft ch\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<p>C\u00e1c d\u1ef1 \u00e1n kh\u00e1c nhau s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eaft ch\u1eb7t kh\u00e1c nhau. S\u1ef1 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn ph\u1ee5 thu\u1ed9c v\u00e0o r\u1ee7i ro chung, k\u00edch th\u01b0\u1edbc bu l\u00f4ng, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn, ti\u00eau chu\u1ea9n v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m tra.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>ph\u01b0\u01a1ng ph\u00e1p<\/th><th>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><th>H\u1ea1n ch\u1ebf ch\u00ednh<\/th><\/tr><\/thead><tbody><tr><td>Si\u1ebft ch\u1eb7t m\u00f4-men xo\u1eafn<\/td><td>M\u00e1y m\u00f3c t\u1ed5ng h\u1ee3p v\u00e0 l\u1eafp r\u00e1p c\u00f4ng nghi\u1ec7p<\/td><td>Ch\u1ecbu t\u00e1c \u0111\u1ed9ng m\u1ea1nh do ma s\u00e1t<\/td><\/tr><tr><td>Si\u1ebft ch\u1eb7t g\u00f3c m\u00f4-men xo\u1eafn<\/td><td>\u00d4 t\u00f4, m\u00e1y m\u00f3c, kh\u1edbp \u0111i\u1ec1u khi\u1ec3n<\/td><td>Y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh<\/td><\/tr><tr><td>Ph\u01b0\u01a1ng ph\u00e1p v\u1eb7n \u0111ai \u1ed1c<\/td><td>Bu l\u00f4ng k\u1ebft c\u1ea5u<\/td><td>Y\u00eau c\u1ea7u tr\u00ecnh c\u00e0i \u0111\u1eb7t \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o<\/td><\/tr><tr><td>C\u0103ng bu l\u00f4ng<\/td><td>Bu l\u00f4ng l\u1edbn, m\u1eb7t b\u00edch, n\u0103ng l\u01b0\u1ee3ng gi\u00f3, thi\u1ebft b\u1ecb \u00e1p l\u1ef1c<\/td><td>C\u1ea7n nh\u1eefng c\u00f4ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t<\/td><\/tr><tr><td>Ch\u1ec9 s\u1ed1 c\u0103ng th\u1eb3ng tr\u1ef1c ti\u1ebfp<\/td><td>K\u1ebft n\u1ed1i k\u1ebft c\u1ea5u<\/td><td>Y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t v\u00e0 ki\u1ec3m tra v\u00f2ng \u0111\u1ec7m ch\u00ednh x\u00e1c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0o l\u00e0 ho\u00e0n h\u1ea3o. M\u1ee5c ti\u00eau l\u00e0 ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p cung c\u1ea5p l\u1ef1c k\u1eb9p l\u1eb7p l\u1ea1i cho \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eaft ch\u1eb7t m\u00f4-men xo\u1eafn<\/h2>\n\n\n\n<p>Th\u1eaft ch\u1eb7t m\u00f4-men xo\u1eafn l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t. N\u00f3 \u0111\u01a1n gi\u1ea3n v\u00e0 thi\u1ebft th\u1ef1c. Tr\u00ecnh c\u00e0i \u0111\u1eb7t si\u1ebft ch\u1eb7t chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111\u1ebfn gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1edd l\u00ea m\u00f4-men xo\u1eafn ho\u1eb7c d\u1ee5ng c\u1ee5 \u0111i\u1ec7n \u0111\u00e3 hi\u1ec7u ch\u1ec9nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Khi n\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t<\/h3>\n\n\n\n<p>Si\u1ebft ch\u1eb7t m\u00f4-men xo\u1eafn ph\u00f9 h\u1ee3p cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khung m\u00e1y m\u00f3c<\/li>\n\n\n\n<li>Gi\u00e1 \u0111\u1ee1 thi\u1ebft b\u1ecb<\/li>\n\n\n\n<li>C\u1ee5m bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao th\u00f4ng d\u1ee5ng<\/li>\n\n\n\n<li>V\u00edt \u1ed5 c\u1eafm<\/li>\n\n\n\n<li>OEM d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t<\/li>\n\n\n\n<li>C\u00e1c kh\u1edbp d\u1ec5 b\u1ea3o tr\u00ec<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng g\u00ec ng\u01b0\u1eddi mua ph\u1ea3i x\u00e1c nh\u1eadn<\/h3>\n\n\n\n<p>C\u00e1c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn kh\u00f4ng \u0111\u01b0\u1ee3c sao ch\u00e9p m\u1ed9t c\u00e1ch m\u00f9 qu\u00e1ng t\u1eeb bi\u1ec3u \u0111\u1ed3. X\u00e1c nh\u1eadn:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L\u1edbp bu l\u00f4ng v\u00e0 v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>Cao \u0111\u1ed9 ren v\u00e0 dung sai<\/li>\n\n\n\n<li>Lo\u1ea1i \u0111ai \u1ed1c v\u00e0 lo\u1ea1i v\u00f2ng \u0111\u1ec7m<\/li>\n\n\n\n<li>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n ho\u1eb7c l\u1edbp ph\u1ee7<\/li>\n\n\n\n<li>T\u00ecnh tr\u1ea1ng kh\u00f4 ho\u1eb7c b\u00f4i tr\u01a1n<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u hi\u1ec7u chu\u1ea9n d\u1ee5ng c\u1ee5<\/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<\/ol>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c ph\u1ee7, h\u00e3y xem l\u1ea1i <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng<\/a> b\u1edfi v\u00ec l\u1edbp ph\u1ee7 l\u00e0m thay \u0111\u1ed5i ma s\u00e1t v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u1ed1i quan h\u1ec7 m\u00f4-men xo\u1eafn-t\u1ea3i tr\u01b0\u1edbc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eaft ch\u1eb7t g\u00f3c m\u00f4-men xo\u1eafn<\/h2>\n\n\n\n<p>Si\u1ebft ch\u1eb7t g\u00f3c m\u00f4-men xo\u1eafn s\u1eed d\u1ee5ng m\u1ed9t m\u00f4-men xo\u1eafn ban \u0111\u1ea7u, sau \u0111\u00f3 quay chi ti\u1ebft si\u1ebft ch\u1eb7t theo m\u1ed9t g\u00f3c x\u00e1c \u0111\u1ecbnh. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u1ea3i thi\u1ec7n t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a t\u1ea3i tr\u01b0\u1edbc so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p si\u1ebft ch\u1ec9 b\u1eb1ng m\u00f4-men xo\u1eafn trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<p>N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a kh\u1edbp ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t nhi\u1ec1u h\u01a1n nh\u01b0ng vi\u1ec7c c\u0103ng to\u00e0n b\u1ed9 bu l\u00f4ng l\u00e0 kh\u00f4ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ghi ch\u00fa th\u1ef1c t\u1ebf<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0111i\u1ec3m<\/th><th>T\u1ea1i sao n\u00f3 quan tr\u1ecdng<\/th><\/tr><\/thead><tbody><tr><td>M\u00f4-men xo\u1eafn ch\u1ed7 ng\u1ed3i ban \u0111\u1ea7u<\/td><td>Lo\u1ea1i b\u1ecf t\u00ecnh tr\u1ea1ng l\u1ecfng l\u1ebbo \u1edf kh\u1edbp<\/td><\/tr><tr><td>Ki\u1ec3m so\u00e1t g\u00f3c<\/td><td>Th\u00eam \u0111\u1ed9 c\u0103ng bu l\u00f4ng ph\u00f9 h\u1ee3p h\u01a1n<\/td><\/tr><tr><td>c\u1ee9ng kh\u1edbp<\/td><td>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea3i tr\u01b0\u1edbc cu\u1ed1i c\u00f9ng<\/td><\/tr><tr><td>Quy t\u1eafc t\u00e1i s\u1eed d\u1ee5ng bu l\u00f4ng<\/td><td>M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng kh\u00f4ng cho ph\u00e9p t\u00e1i s\u1eed d\u1ee5ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u1ea7n h\u01b0\u1edbng d\u1eabn l\u1eafp r\u00e1p r\u00f5 r\u00e0ng. N\u00f3 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ng\u1eabu nhi\u00ean m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 ch\u1ea5p thu\u1eadn k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p v\u1eb7n \u0111ai \u1ed1c<\/h2>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p v\u1eb7n \u0111ai \u1ed1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c b\u1eaft v\u00edt k\u1ebft c\u1ea5u. M\u1ed1i n\u1ed1i \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a v\u1ec1 tr\u1ea1ng th\u00e1i v\u1eeba kh\u00edt. Sau \u0111\u00f3 \u0111ai \u1ed1c \u0111\u01b0\u1ee3c v\u1eb7n theo m\u1ed9t l\u01b0\u1ee3ng x\u00e1c \u0111\u1ecbnh.<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 t\u00ednh th\u1ef1c t\u1ebf tr\u00ean c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng nh\u01b0ng \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u00e0 ki\u1ec3m tra \u0111\u00fang c\u00e1ch. N\u1ebfu \u0111i\u1ec1u ki\u1ec7n kh\u00edt ch\u1eb7t kh\u00f4ng nh\u1ea5t qu\u00e1n th\u00ec t\u1ea3i tr\u01b0\u1edbc cu\u1ed1i c\u00f9ng c\u0169ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u ho\u1eb7c d\u1ef1 \u00e1n, ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn ti\u00eau chu\u1ea9n c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a \u0111ai \u1ed1c, y\u00eau c\u1ea7u v\u1ec1 v\u00f2ng \u0111\u1ec7m v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra trong \u0111\u01a1n \u0111\u1eb7t h\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u0103ng bu l\u00f4ng<\/h2>\n\n\n\n<p>L\u1ef1c c\u0103ng bu l\u00f4ng tr\u1ef1c ti\u1ebfp k\u00e9o c\u0103ng bu l\u00f4ng b\u1eb1ng b\u1ed9 c\u0103ng th\u1ee7y l\u1ef1c tr\u01b0\u1edbc khi \u0111ai \u1ed1c \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c bu l\u00f4ng l\u1edbn, c\u1ee5m n\u0103ng l\u01b0\u1ee3ng gi\u00f3, kh\u1edbp n\u1ed1i m\u1eb7t b\u00edch, thi\u1ebft b\u1ecb \u00e1p l\u1ef1c v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng h\u1ea1ng n\u1eb7ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Advantage<\/th><th>Limitation<\/th><\/tr><\/thead><tbody><tr><td>Ki\u1ec3m so\u00e1t t\u1ea3i tr\u01b0\u1edbc t\u1ed1t h\u01a1n<\/td><td>Chi ph\u00ed d\u1ee5ng c\u1ee5 cao h\u01a1n<\/td><\/tr><tr><td>H\u1eefu \u00edch cho bu l\u00f4ng l\u1edbn<\/td><td>Y\u00eau c\u1ea7u quy\u1ec1n truy c\u1eadp xung quanh bu l\u00f4ng<\/td><\/tr><tr><td>Gi\u1ea3m \u1ea3nh h\u01b0\u1edfng ma s\u00e1t<\/td><td>C\u1ea7n \u0111\u00e0o t\u1ea1o ng\u01b0\u1eddi v\u1eadn h\u00e0nh<\/td><\/tr><tr><td>T\u1ed1t cho c\u00e1c kh\u1edbp quan tr\u1ecdng<\/td><td>Kh\u00f4ng th\u1ef1c t\u1ebf cho m\u1ecdi k\u00edch th\u01b0\u1edbc chi ti\u1ebft si\u1ebft ch\u1eb7t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn l\u1edbn ho\u1eb7c d\u00e0nh ri\u00eang cho d\u1ef1 \u00e1n, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 c\u1ea7n <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\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 chi\u1ec1u d\u00e0i ren, v\u1eadt li\u1ec7u, l\u1edbp ph\u1ee7 v\u00e0 ki\u1ec3m tra r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi si\u1ebft ch\u1eb7t chi ti\u1ebft si\u1ebft ch\u1eb7t c\u01b0\u1eddng \u0111\u1ed9 cao<\/h2>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u1eaft ch\u1eb7t \u0111\u1ec1u c\u00f3 th\u1ec3 ph\u00f2ng ng\u1eeba \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>H\u00e3y tr\u00e1nh nh\u1eefng sai l\u1ea7m sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng m\u1ed9t gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn cho c\u00e1c l\u1edbp ph\u1ee7 kh\u00e1c nhau<\/li>\n\n\n\n<li>\u00c1p d\u1ee5ng ch\u1ea5t b\u00f4i tr\u01a1n khi gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn gi\u1ea3 \u0111\u1ecbnh ren kh\u00f4<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng \u0111ai \u1ed1c c\u1ea5p th\u1ea5p v\u1edbi bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m m\u1ec1m d\u01b0\u1edbi t\u1ea3i k\u1eb9p cao<\/li>\n\n\n\n<li>Si\u1ebft ch\u1eb7t c\u00e1c nh\u00f3m bu l\u00f4ng l\u1edbn kh\u00f4ng theo tr\u00ecnh t\u1ef1<\/li>\n\n\n\n<li>T\u00e1i s\u1eed d\u1ee5ng \u1ed1c v\u00edt khi \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt kh\u00f4ng cho ph\u00e9p<\/li>\n\n\n\n<li>B\u1ecf qua h\u01b0 h\u1ecfng ren sau khi ph\u1ee7<\/li>\n\n\n\n<li>Kh\u00f4ng hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c d\u1ee5ng c\u1ee5 m\u00f4-men xo\u1eafn<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng sai s\u00f3t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t t\u1ea3i tr\u01b0\u1edbc, \u0111\u1ee9t ch\u1ec9, h\u1ecfng do m\u1ecfi, r\u00f2 r\u1ec9 ho\u1eb7c g\u00e3y mu\u1ed9n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra \u0111\u1ec3 si\u1ebft ch\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t<\/h2>\n\n\n\n<p>M\u1ed9t RFQ t\u1ed1t n\u00ean bao g\u1ed3m c\u00e1c chi ti\u1ebft li\u00ean quan \u0111\u1ebfn vi\u1ec7c si\u1ebft ch\u1eb7t, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c kh\u1edbp quan tr\u1ecdng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>RFQ M\u1ee5c<\/th><th>Nh\u1eefng g\u00ec c\u1ea7n ch\u1ec9 \u0111\u1ecbnh<\/th><\/tr><\/thead><tbody><tr><td>Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m<\/td><td>DIN, ISO, ASTM, ANSI, EN, ho\u1eb7c b\u1ea3n v\u1ebd<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ee7 \u0111\u1ec1<\/td><td>\u0110\u01b0\u1eddng k\u00ednh, b\u01b0\u1edbc, chi\u1ec1u d\u00e0i, chi\u1ec1u d\u00e0i ren<\/td><\/tr><tr><td>C\u1ea5p \u0111\u1ed9 s\u1ee9c m\u1ea1nh<\/td><td>8.8, 10.9, 12.9, B7, A325, A490, v.v.<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u<\/td><td>Th\u00e9p cacbon, th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9<\/td><\/tr><tr><td>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n<\/td><td>K\u1ebdm, HDG, Dacromet, PTFE, \u0111\u1ed3ng b\u1eb1ng<\/td><\/tr><tr><td>B\u1ed9 ph\u1eadn ph\u00f9 h\u1ee3p<\/td><td>C\u1ea5p \u0111ai \u1ed1c, \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m, l\u1edbp ph\u1ee7<\/td><\/tr><tr><td>Ph\u01b0\u01a1ng ph\u00e1p th\u1eaft ch\u1eb7t<\/td><td>M\u00f4-men xo\u1eafn, g\u00f3c m\u00f4-men xo\u1eafn, l\u1ef1c c\u0103ng, \u0111ai \u1ed1c quay<\/td><\/tr><tr><td>Lubrication<\/td><td>Ch\u1ea5t b\u00f4i tr\u01a1n kh\u00f4, b\u00f4i d\u1ea7u, ph\u1ee7 s\u00e1p, tr\u00e1ng ho\u1eb7c ch\u1ec9 \u0111\u1ecbnh<\/td><\/tr><tr><td>Documents<\/td><td>MTC, b\u00e1o c\u00e1o ki\u1ec3m tra, b\u00e1o c\u00e1o l\u1edbp ph\u1ee7, b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem l\u1ea1i \u0111\u1ea7y \u0111\u1ee7 <a href=\"https:\/\/xzfastener.com\/vi\/home\/products\/\">s\u1ea3n ph\u1ea9m chi ti\u1ebft si\u1ebft ch\u1eb7t<\/a> ph\u1ea1m vi khi x\u00e2y d\u1ef1ng c\u00e1c c\u1ee5m bu l\u00f4ng, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m v\u00e0 ch\u1ed1t ho\u00e0n ch\u1ec9nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>Vi\u1ec7c si\u1ebft ch\u1eb7t c\u00f3 ki\u1ec3m so\u00e1t kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 l\u1eafp \u0111\u1eb7t. \u0110\u00f3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 t\u00ecm ngu\u1ed3n cung \u1ee9ng.<\/p>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, l\u1edbp ph\u1ee7, ch\u1ea5t b\u00f4i tr\u01a1n, d\u1ee5ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p si\u1ebft ch\u1eb7t ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng. Khi nh\u1eefng chi ti\u1ebft n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn chuy\u1ec3n, \u1ed1c v\u00edt c\u00f3 \u0111\u1ed9 b\u1ec1n cao c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady h\u01a1n trong s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>","protected":false},"excerpt":{"rendered":"<p>High-strength fasteners do not fail only because the bolt is weak. In many field cases, the bolt grade is correct, the material is correct, and the coating looks fine. The problem starts during tightening. A class 10.9 bolt, class 12.9 socket screw, ASTM stud bolt, or structural bolt needs controlled tightening because clamp force matters. [&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":[490],"class_list":["post-6546","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-installation-methods-tools"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6546","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=6546"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6546\/revisions"}],"predecessor-version":[{"id":6547,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6546\/revisions\/6547"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}