{"id":7495,"date":"2020-12-10T07:58:10","date_gmt":"2020-12-09T23:58:10","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7495"},"modified":"2026-06-24T08:00:04","modified_gmt":"2026-06-24T00:00:04","slug":"fastener-surface-defect-inspection-cracks-burrs-and-deformation","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/fastener-surface-defect-inspection-cracks-burrs-and-deformation\/","title":{"rendered":"Ki\u1ec3m tra khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t chi ti\u1ebft si\u1ebft ch\u1eb7t: V\u1ebft n\u1ee9t, g\u1edd v\u00e0 bi\u1ebfn d\u1ea1ng"},"content":{"rendered":"<p>Ki\u1ec3m tra khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t l\u00e0 m\u1ed9t trong nh\u1eefng b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t trong vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng chi ti\u1ebft si\u1ebft ch\u1eb7t. Trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t v\u00e0 mua s\u1eafm th\u1ef1c t\u1ebf, nhi\u1ec1u h\u01b0 h\u1ecfng kh\u00f4ng ph\u1ea3i do v\u1eadt li\u1ec7u ho\u1eb7c c\u1ea5p \u0111\u1ed9 b\u1ec1n kh\u00f4ng ch\u00ednh x\u00e1c m\u00e0 do c\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n nh\u01b0 v\u1ebft n\u1ee9t, g\u1edd ho\u1eb7c bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n<p>Nh\u1eefng khi\u1ebfm khuy\u1ebft n\u00e0y ban \u0111\u1ea7u c\u00f3 th\u1ec3 tr\u00f4ng nh\u1ecf nh\u01b0ng ch\u00fang th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t ho\u1eb7c s\u1eed d\u1ee5ng l\u00e2u d\u00e0i, bao g\u1ed3m h\u1ecfng ren, l\u1ecfng kh\u1edbp v\u00e0 m\u1ecfi s\u1edbm.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng chi ti\u1ebft si\u1ebft ch\u1eb7t ti\u00eau chu\u1ea9n v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 cao, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/high-strength-fasteners\/\">\u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. T\u1ea1i sao vi\u1ec7c ki\u1ec3m tra khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t ph\u1ea3n \u00e1nh t\u00ednh to\u00e0n v\u1eb9n trong s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n<p>Ch\u1ed1t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh th\u00f4ng qua c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 r\u00e8n, gia c\u00f4ng, ren v\u00e0 x\u1eed l\u00fd nhi\u1ec7t. M\u1ed7i b\u01b0\u1edbc c\u00f3 th\u1ec3 \u0111\u01b0a ra nh\u1eefng khi\u1ebfm khuy\u1ebft \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i khi\u1ebfm khuy\u1ebft<\/th><th>R\u1ee7i ro<\/th><\/tr><\/thead><tbody><tr><td>v\u1ebft n\u1ee9t<\/td><td>G\u00e3y x\u01b0\u01a1ng \u0111\u1ed9t ng\u1ed9t d\u01b0\u1edbi t\u1ea3i<\/td><\/tr><tr><td>g\u1edd<\/td><td>Kh\u00f3 kh\u0103n l\u1eafp r\u00e1p v\u00e0 t\u1eadp trung c\u0103ng th\u1eb3ng<\/td><\/tr><tr><td>Deformation<\/td><td>Kh\u00f4ng ph\u00f9 h\u1ee3p v\u00e0 t\u1ea3i tr\u01b0\u1edbc kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc ch\u00ednh x\u00e1c v\u1eabn c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng n\u1ebfu c\u00f3 khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Ki\u1ec3m tra v\u1ebft n\u1ee9t \u1edf \u1ed1c v\u00edt<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Khi\u1ebfm khuy\u1ebft nguy hi\u1ec3m nh\u1ea5t nh\u01b0ng \u0111\u00f4i khi v\u00f4 h\u00ecnh<\/h3>\n\n\n\n<p>C\u00e1c v\u1ebft n\u1ee9t l\u00e0 s\u1ef1 ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 l\u00e0 lo\u1ea1i khuy\u1ebft t\u1eadt nghi\u00eam tr\u1ecdng nh\u1ea5t. Ch\u00fang c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh r\u00e8n, x\u1eed l\u00fd nhi\u1ec7t ho\u1eb7c x\u1eed l\u00fd kh\u00f4ng \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>V\u1ecb tr\u00ed v\u1ebft n\u1ee9t<\/th><th>nguy\u00ean nh\u00e2n<\/th><\/tr><\/thead><tbody><tr><td>V\u00f9ng \u0111\u1ea7u<\/td><td>R\u00e8n ho\u1eb7c h\u00ecnh th\u00e0nh c\u0103ng th\u1eb3ng<\/td><\/tr><tr><td>Ch\u1ee7 \u0111\u1ec1 g\u1ed1c<\/td><td>Thi\u1ec7t h\u1ea1i do gia c\u00f4ng ho\u1eb7c l\u0103n<\/td><\/tr><tr><td>Ch\u00e2n<\/td><td>X\u1eed l\u00fd nhi\u1ec7t kh\u00f4ng nh\u1ea5t qu\u00e1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf, c\u00e1c v\u1ebft n\u1ee9t c\u00f3 th\u1ec3 kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c n\u1ebfu kh\u00f4ng ph\u00f3ng \u0111\u1ea1i ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Ki\u1ec3m tra Burr v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c c\u1ea1nh s\u1eafc nh\u1ecf g\u00e2y ra v\u1ea5n \u0111\u1ec1 l\u1eafp r\u00e1p l\u1edbn<\/h3>\n\n\n\n<p>L\u01b0\u1ee1i dao l\u00e0 c\u00e1c c\u1ea1nh nh\u00f4 l\u00ean ho\u1eb7c c\u00e1c m\u1ea3nh v\u1eadt li\u1ec7u nh\u1ecf c\u00f2n s\u00f3t l\u1ea1i sau c\u00e1c thao t\u00e1c c\u1eaft ho\u1eb7c ren. M\u1eb7c d\u00f9 ch\u00fang c\u00f3 v\u1ebb nh\u1ecf nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t l\u1eafp r\u00e1p.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>V\u1ea5n \u0111\u1ec1 v\u1ec1 Burr<\/th><th>Hi\u1ec7u \u1ee9ng<\/th><\/tr><\/thead><tbody><tr><td>C\u00e1c v\u1ec7t ren<\/td><td>R\u1ee7i ro xuy\u00ean lu\u1ed3ng<\/td><\/tr><tr><td>G\u1edd \u0111\u1ea7u<\/td><td>C\u00f4ng c\u1ee5 b\u1ecb h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t<\/td><\/tr><tr><td>C\u00e1c v\u1ec7t c\u1ea1nh<\/td><td>Ch\u1ea5n th\u01b0\u01a1ng v\u00e0 kh\u00f3 l\u1eafp r\u00e1p<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng ren \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ee5m, ng\u01b0\u1eddi mua c\u0169ng c\u00f3 th\u1ec3 xem l\u1ea1i XZ Fastener <a href=\"https:\/\/xzfastener.com\/vi\/products-tag\/threaded-rod\/\">thanh ren<\/a> th\u1ec3 lo\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Khi\u1ebfm khuy\u1ebft bi\u1ebfn d\u1ea1ng trong \u1ed1c v\u00edt<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 h\u00ecnh d\u1ea1ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho hi\u1ec7u su\u1ea5t t\u1ea3i<\/h3>\n\n\n\n<p>Bi\u1ebfn d\u1ea1ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn b\u1ea5t k\u1ef3 sai l\u1ec7ch n\u00e0o so v\u1edbi h\u00ecnh d\u1ea1ng d\u1ef1 \u0111\u1ecbnh c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t. N\u00f3 c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh, x\u1eed l\u00fd nhi\u1ec7t ho\u1eb7c b\u1ea3o qu\u1ea3n kh\u00f4ng \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i bi\u1ebfn d\u1ea1ng<\/th><th>t\u00e1c \u0111\u1ed9ng<\/th><\/tr><\/thead><tbody><tr><td>Th\u00e2n cong<\/td><td>Ph\u00e2n ph\u1ed1i t\u1ea3i kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u<\/td><\/tr><tr><td>Ch\u1ee7 \u0111\u1ec1 h\u00ecnh b\u1ea7u d\u1ee5c<\/td><td>Giao ph\u1ed1i k\u00e9m v\u1edbi h\u1ea1t<\/td><\/tr><tr><td>bi\u1ebfn d\u1ea1ng \u0111\u1ea7u<\/td><td>S\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n m\u00f4-men xo\u1eafn<\/td><\/tr><tr><td>S\u1ef1 thay \u0111\u1ed5i chi\u1ec1u d\u00e0i<\/td><td>H\u00e0nh vi t\u1ea3i tr\u01b0\u1edbc kh\u00f4ng ch\u00ednh x\u00e1c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ngay c\u1ea3 bi\u1ebfn d\u1ea1ng nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u trong c\u00e1c m\u1ed1i n\u1ed1i bu l\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra tr\u1ef1c quan v\u00e0 c\u01a1 h\u1ecdc \u0111\u1ec1u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra<\/th><th>M\u1ee5c \u0111\u00edch<\/th><\/tr><\/thead><tbody><tr><td>Ki\u1ec3m tra tr\u1ef1c quan<\/td><td>Ph\u00e1t hi\u1ec7n c\u00e1c v\u1ebft n\u1ee9t v\u00e0 v\u1ec7t r\u00f5 r\u00e0ng<\/td><\/tr><tr><td>Ki\u1ec3m tra ph\u00f3ng \u0111\u1ea1i<\/td><td>X\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf<\/td><\/tr><tr><td>M\u00e1y \u0111o ren<\/td><td>Ki\u1ec3m tra s\u1ef1 bi\u1ebfn d\u1ea1ng v\u00e0 ph\u00f9 h\u1ee3p<\/td><\/tr><tr><td>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng<\/td><td>D\u1ea5u hi\u1ec7u khuy\u1ebft t\u1eadt gi\u00e1n ti\u1ebfp<\/td><\/tr><tr><td>NDT (n\u1ebfu c\u1ea7n)<\/td><td>Ph\u00e1t hi\u1ec7n v\u1ebft n\u1ee9t b\u00ean trong<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf, ch\u1ec9 ki\u1ec3m tra tr\u1ef1c quan l\u00e0 kh\u00f4ng \u0111\u1ee7 cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn c\u1ee7a khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Khi\u1ebfm khuy\u1ebft th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb c\u00f4ng \u0111o\u1ea1n s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Giai \u0111o\u1ea1n x\u1eed l\u00fd<\/th><th>S\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 x\u1ea3y ra<\/th><\/tr><\/thead><tbody><tr><td>r\u00e8n<\/td><td>\u1ee8ng su\u1ea5t b\u00ean trong g\u00e2y ra v\u1ebft n\u1ee9t<\/td><\/tr><tr><td>Threading<\/td><td>S\u1ef1 h\u00ecnh th\u00e0nh g\u1edd v\u00e0 h\u01b0 h\u1ecfng c\u1ea1nh<\/td><\/tr><tr><td>X\u1eed l\u00fd nhi\u1ec7t<\/td><td>\u1ee8ng su\u1ea5t kh\u00f4ng \u0111\u1ec1u g\u00e2y bi\u1ebfn d\u1ea1ng<\/td><\/tr><tr><td>Handling<\/td><td>B\u1ec1 m\u1eb7t tr\u1ea7y x\u01b0\u1edbc ho\u1eb7c u\u1ed1n cong<\/td><\/tr><tr><td>Qu\u00e1 tr\u00ecnh ph\u1ee7<\/td><td>C\u00e1c b\u1ea5t th\u01b0\u1eddng tr\u00ean b\u1ec1 m\u1eb7t b\u1ecb che l\u1ea5p ho\u1eb7c tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f3 l\u1edbp ph\u1ee7, ng\u01b0\u1eddi mua c\u0169ng c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. T\u1ea1i sao khi\u1ebfm khuy\u1ebft d\u1eabn \u0111\u1ebfn h\u1ecfng chi ti\u1ebft si\u1ebft ch\u1eb7t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t b\u00ean trong<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i khi\u1ebfm khuy\u1ebft<\/th><th>C\u01a1 ch\u1ebf l\u1ed7i<\/th><\/tr><\/thead><tbody><tr><td>v\u1ebft n\u1ee9t<\/td><td>G\u00e3y x\u01b0\u01a1ng \u0111\u1ed9t ng\u1ed9t d\u01b0\u1edbi t\u1ea3i<\/td><\/tr><tr><td>Burr<\/td><td>S\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t v\u00e0 h\u01b0 h\u1ecfng l\u1eafp \u0111\u1eb7t<\/td><\/tr><tr><td>Deformation<\/td><td>T\u1ea3i tr\u01b0\u1edbc k\u00e9m v\u00e0 sai l\u1ec7ch<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>M\u1ed9t khi\u1ebfm khuy\u1ebft nh\u1ecf c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n d\u01b0\u1edbi c\u00e1c chu k\u1ef3 rung ho\u1eb7c t\u1ea3i, cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn h\u1ecfng kh\u1edbp.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. Nh\u1eefng hi\u1ec3u l\u1ea7m trong ng\u00e0nh<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ngo\u1ea1i h\u00ecnh kh\u00f4ng b\u1eb1ng ch\u1ea5t l\u01b0\u1ee3ng<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Misunderstanding<\/th><th>Th\u1ef1c t\u1ebf<\/th><\/tr><\/thead><tbody><tr><td>B\u1ec1 m\u1eb7t nh\u1eb5n c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 khuy\u1ebft t\u1eadt<\/td><td>C\u00e1c v\u1ebft n\u1ee9t b\u00ean trong c\u00f3 th\u1ec3 v\u1eabn t\u1ed3n t\u1ea1i<\/td><\/tr><tr><td>Burrs ch\u1ec9 l\u00e0 m\u1ef9 ph\u1ea9m<\/td><td>Ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c l\u1eafp r\u00e1p v\u00e0 tu\u1ed5i th\u1ecd m\u1ecfi<\/td><\/tr><tr><td>Bi\u1ebfn d\u1ea1ng nh\u1ecf \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn<\/td><td>N\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i t\u1ea3i tr\u01b0\u1edbc<\/td><\/tr><tr><td>L\u1edbp ph\u1ee7 che gi\u1ea5u khuy\u1ebft \u0111i\u1ec3m<\/td><td>N\u00f3 th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 che gi\u1ea5u c\u00e1c v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/carbon-steel\/\">\u1ed1c v\u00edt th\u00e9p carbon<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/stainless-steel\/\">\u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">9. RFQ Danh s\u00e1ch ki\u1ec3m tra d\u00e0nh cho ng\u01b0\u1eddi mua<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">X\u00e1c \u0111\u1ecbnh r\u00f5 y\u00eau c\u1ea7u ki\u1ec3m tra<\/h3>\n\n\n\n<p>M\u1ed9t c\u00f4ng c\u1ee5 th\u00edch h\u1ee3p \u0111\u1ec3 ki\u1ec3m tra khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t ph\u1ea3i bao g\u1ed3m: (RFQ)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t, k\u00edch th\u01b0\u1edbc v\u00e0 ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n<li>L\u1edbp v\u1eadt li\u1ec7u v\u00e0 s\u1ee9c m\u1ea1nh.<\/li>\n\n\n\n<li>Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u ph\u00e1t hi\u1ec7n v\u1ebft n\u1ee9t (n\u1ebfu c\u00f3).<\/li>\n\n\n\n<li>Gi\u1edbi h\u1ea1n dung sai Burr.<\/li>\n\n\n\n<li>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt dung sai bi\u1ebfn d\u1ea1ng.<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra (b\u1eb1ng m\u1eaft, th\u01b0\u1edbc \u0111o, NDT).<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u l\u1ea5y m\u1eabu v\u00e0 ki\u1ec3m tra h\u00e0ng lo\u1ea1t.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn v\u00e0 b\u00e1o c\u00e1o.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 chi ti\u1ebft si\u1ebft ch\u1eb7t c\u01b0\u1eddng \u0111\u1ed9 cao ho\u1eb7c d\u1ef1a tr\u00ean d\u1ef1 \u00e1n, h\u00e3y g\u1eedi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt qua <a href=\"https:\/\/xzfastener.com\/vi\/home\/contact-us\/\">XZ Fastener Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khuy\u1ebfn ngh\u1ecb cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>Ki\u1ec3m tra khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t kh\u00f4ng ph\u1ea3i l\u00e0 b\u01b0\u1edbc ch\u1ea5t l\u01b0\u1ee3ng th\u1ee9 c\u1ea5p\u2014\u0111\u00f3 l\u00e0 y\u00eau c\u1ea7u c\u1ed1t l\u00f5i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t. C\u00e1c v\u1ebft n\u1ee9t, g\u1edd v\u00e0 bi\u1ebfn d\u1ea1ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n nh\u1ecf nh\u01b0ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ed9 an to\u00e0n l\u00e2u d\u00e0i c\u1ee7a m\u1ed1i n\u1ed1i.<\/p>\n\n\n\n<p>Nguy\u00ean t\u1eafc ch\u00ednh r\u1ea5t \u0111\u01a1n gi\u1ea3n: n\u1ebfu b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t th\u00ec hi\u1ec7u su\u1ea5t kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o. Vi\u1ec7c ki\u1ec3m tra ph\u00f9 h\u1ee3p, ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn r\u00f5 r\u00e0ng v\u00e0 ki\u1ec3m so\u00e1t s\u1ea3n xu\u1ea5t nh\u1ea5t qu\u00e1n \u0111\u1ea3m b\u1ea3o c\u00e1c \u1ed1c v\u00edt ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p th\u1ef1c t\u1ebf.<\/p>","protected":false},"excerpt":{"rendered":"<p>Surface defect inspection is one of the most critical steps in fastener quality control. In real manufacturing and procurement practice, many failures are not caused by incorrect material or strength grade, but by undetected surface defects such as cracks, burrs, or deformation. These defects may look minor at first, but they often lead to serious [&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":[509],"class_list":["post-7495","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-quality-inspection-testing"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7495","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=7495"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7495\/revisions"}],"predecessor-version":[{"id":7496,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7495\/revisions\/7496"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}