{"id":6771,"date":"2023-06-22T13:03:22","date_gmt":"2023-06-22T05:03:22","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6771"},"modified":"2026-06-22T13:04:49","modified_gmt":"2026-06-22T05:04:49","slug":"raw-material-inspection-for-fastener-manufacturing","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/raw-material-inspection-for-fastener-manufacturing\/","title":{"rendered":"Ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ec3 s\u1ea3n xu\u1ea5t chi ti\u1ebft si\u1ebft ch\u1eb7t"},"content":{"rendered":"<p>Ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4 l\u00e0 n\u01a1i ch\u1ea5t l\u01b0\u1ee3ng chi ti\u1ebft si\u1ebft ch\u1eb7t th\u1ef1c s\u1ef1 b\u1eaft \u0111\u1ea7u. Tr\u01b0\u1edbc khi bu l\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i \u0111\u1ea7u ngu\u1ed9i, tr\u01b0\u1edbc khi ren v\u00edt v\u00e0 tr\u01b0\u1edbc khi \u0111\u00f3ng v\u00f2ng \u0111\u1ec7m, thanh d\u00e2y th\u00e9p, thanh ph\u00f4i ho\u1eb7c cu\u1ed9n d\u00e2y kh\u00f4ng g\u1ec9 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/p>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf, nhi\u1ec1u v\u1ea5n \u0111\u1ec1 trong s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nguy\u00ean li\u1ec7u th\u00f4: \u0111\u1ea7u n\u1ee9t, \u0111\u1ed9 c\u1ee9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh, c\u00e1n ren k\u00e9m, c\u1ea5p sai, l\u1ed7i l\u1edbp ph\u1ee7 ho\u1eb7c k\u1ebft qu\u1ea3 k\u00e9o kh\u00f4ng nh\u1ea5t qu\u00e1n. Khi v\u1eadt li\u1ec7u b\u1ecb l\u1ed7i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t, chi ph\u00ed s\u1eeda ch\u1eefa s\u1ebd t\u0103ng l\u00ean nhanh ch\u00f3ng.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua, vi\u1ec7c ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4 kh\u00f4ng ph\u1ea3i l\u00e0 chi ti\u1ebft t\u1ea1i nh\u00e0 m\u00e1y. N\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ki\u1ec3m so\u00e1t r\u1ee7i ro cung c\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao vi\u1ec7c ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4 l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<p>Ch\u1ed1t l\u00e0 nh\u1eefng b\u1ed9 ph\u1eadn nh\u1ecf nh\u01b0ng ch\u00fang th\u01b0\u1eddng ch\u1ecbu t\u1ea3i tr\u1ecdng, \u0111\u1ed9 rung, m\u00f4-men xo\u1eafn v\u00e0 kh\u1ea3 n\u0103ng \u0103n m\u00f2n. N\u1ebfu v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n sai, c\u00e1c quy tr\u00ecnh sau n\u00e0y kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c ho\u00e0n to\u00e0n s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<p>M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ed1t s\u1ebd ki\u1ec3m tra nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/high-strength-fasteners\/\">\u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a>, \u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn t\u00f9y ch\u1ec9nh d\u1ef1a tr\u00ean b\u1ea3n v\u1ebd.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Khu v\u1ef1c ki\u1ec3m tra<\/th><th>N\u00f3 ki\u1ec3m so\u00e1t nh\u1eefng g\u00ec<\/th><th>R\u1ee7i ro c\u00f3 th\u1ec3 x\u1ea3y ra n\u1ebfu b\u1ecf l\u1ee1<\/th><\/tr><\/thead><tbody><tr><td>L\u1edbp v\u1eadt li\u1ec7u<\/td><td>S\u1ef1 ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc v\u00e0 c\u01a1 h\u1ecdc<\/td><td>S\u1ee9c m\u1ea1nh sai ho\u1eb7c kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><\/tr><tr><td>S\u1ed1 nhi\u1ec7t<\/td><td>Traceability<\/td><td>Kh\u00f4ng th\u1ec3 li\u00ean k\u1ebft d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m v\u1edbi l\u00f4 cu\u1ed1i c\u00f9ng<\/td><\/tr><tr><td>Diameter<\/td><td>\u0110\u1ed9 ch\u00ednh x\u00e1c h\u00ecnh th\u00e0nh v\u00e0 lu\u1ed3ng<\/td><td>S\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc v\u00e0 h\u01b0 h\u1ecfng d\u1ee5ng c\u1ee5<\/td><\/tr><tr><td>T\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t<\/td><td>Ch\u1ea5t l\u01b0\u1ee3ng l\u1edbp ph\u1ee7 v\u00e0 ti\u00eau \u0111\u1ec1 l\u1ea1nh<\/td><td>C\u00e1c v\u1ebft n\u1ee9t, r\u1ed7, r\u1ec9 s\u00e9t, \u0111\u1ed9 ho\u00e0n thi\u1ec7n k\u00e9m<\/td><\/tr><tr><td>Hardness<\/td><td>Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh v\u00e0 s\u1ee9c m\u1ea1nh cu\u1ed1i c\u00f9ng<\/td><td>N\u1ee9t ho\u1eb7c s\u1ea3n xu\u1ea5t kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/td><\/tr><tr><td>Ch\u1ee9ng ch\u1ec9<\/td><td>Tu\u00e2n th\u1ee7 y\u00eau c\u1ea7u \u0111\u1eb7t h\u00e0ng<\/td><td>T\u1eeb ch\u1ed1i t\u00e0i li\u1ec7u<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1eb7t h\u00e0ng th\u00f4ng th\u01b0\u1eddng trong danh m\u1ee5c, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem l\u1ea1i <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> v\u00e0 v\u1eabn y\u00eau c\u1ea7u truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u khi \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c m\u1ee5c ch\u00ednh c\u1ea7n ki\u1ec3m tra<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u v\u00e0 s\u1ed1 nhi\u1ec7t<\/h3>\n\n\n\n<p>Gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u ph\u1ea3i kh\u1edbp v\u1edbi cu\u1ed9n d\u00e2y, thanh d\u00e2y ho\u1eb7c thanh m\u00e0 nh\u00e0 m\u00e1y nh\u1eadn \u0111\u01b0\u1ee3c. Ki\u1ec3m tra lo\u1ea1i v\u1eadt li\u1ec7u, s\u1ed1 nhi\u1ec7t, th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<p>S\u1ed1 nhi\u1ec7t ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, ki\u1ec3m tra, \u0111\u00f3ng g\u00f3i v\u00e0 v\u1eadn chuy\u1ec3n. N\u1ebfu kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c b\u1ecb m\u1ea5t, ch\u1ee9ng ch\u1ec9 c\u00f3 gi\u00e1 tr\u1ecb h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/h3>\n\n\n\n<p>Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n, ph\u1ea3n \u1ee9ng x\u1eed l\u00fd nhi\u1ec7t, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ea1o h\u00ecnh ngu\u1ed9i.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi th\u00e9p cacbon v\u00e0 th\u00e9p h\u1ee3p kim, cacbon, mangan, crom, molypden, l\u01b0u hu\u1ef3nh v\u00e0 ph\u1ed1t pho c\u00f3 th\u1ec3 quan tr\u1ecdng t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i. cho <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/stainless-steel\/\">\u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a>, h\u00e0m l\u01b0\u1ee3ng crom, niken, molypden v\u00e0 carbon c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd k\u1ef9 h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u01b0\u1eddng k\u00ednh v\u00e0 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t<\/h3>\n\n\n\n<p>\u0110\u01b0\u1eddng k\u00ednh d\u00e2y ph\u1ea3i nh\u1ea5t qu\u00e1n. N\u1ebfu \u0111\u01b0\u1eddng k\u00ednh kh\u00f4ng \u1ed5n \u0111\u1ecbnh, \u0111\u1ea7u ngu\u1ed9i v\u00e0 c\u00e1n ren c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p>Ki\u1ec3m tra b\u1ec1 m\u1eb7t c\u1ea7n ki\u1ec3m tra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>r\u1ec9 s\u00e9t<\/li>\n\n\n\n<li>quy m\u00f4<\/li>\n\n\n\n<li>v\u1ebft n\u1ee9t<\/li>\n\n\n\n<li>Scratches<\/li>\n\n\n\n<li>h\u1ed1<\/li>\n\n\n\n<li>\u00d4 nhi\u1ec5m d\u1ea7u<\/li>\n\n\n\n<li>Th\u1ebb v\u1eadt li\u1ec7u h\u1ed7n h\u1ee3p<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t sau n\u00e0y c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng v\u1ebft n\u1ee9t \u0111\u1ea7u, khuy\u1ebft t\u1eadt ren ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 l\u1edbp ph\u1ee7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh<\/h3>\n\n\n\n<p>\u0110\u1ea7u ngu\u1ed9i c\u1ea7n v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 bi\u1ebfn d\u1ea1ng m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t. V\u1eadt li\u1ec7u qu\u00e1 c\u1ee9ng c\u00f3 th\u1ec3 b\u1ecb n\u1ee9t trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh. V\u1eadt li\u1ec7u qu\u00e1 m\u1ec1m c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 m\u1ea5t \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 \u1ed1c v\u00edt, c\u1ea7n ph\u1ea3i \u1ee7 h\u00ecnh c\u1ea7u ho\u1eb7c chu\u1ea9n b\u1ecb d\u00e2y c\u00f3 ki\u1ec3m so\u00e1t tr\u01b0\u1edbc khi l\u00e0m ngu\u1ed9i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy tr\u00ecnh ki\u1ec3m tra \u0111\u1ea7u v\u00e0o th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<p>M\u1ed9t quy tr\u00ecnh ki\u1ec3m tra \u0111\u00e1ng tin c\u1eady th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ki\u1ec3m tra gi\u1ea5y ch\u1ee9ng nh\u1eadn nh\u00e0 cung c\u1ea5p v\u00e0 \u0111\u01a1n \u0111\u1eb7t h\u00e0ng.<\/li>\n\n\n\n<li>X\u00e1c minh lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 s\u1ed1 nhi\u1ec7t.<\/li>\n\n\n\n<li>Ki\u1ec3m tra nh\u00e3n cu\u1ed9n ho\u1eb7c thanh.<\/li>\n\n\n\n<li>\u0110o \u0111\u01b0\u1eddng k\u00ednh t\u1ea1i m\u1ed9t s\u1ed1 \u0111i\u1ec3m.<\/li>\n\n\n\n<li>Ki\u1ec3m tra t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t b\u1eb1ng m\u1eaft.<\/li>\n\n\n\n<li>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng n\u1ebfu c\u1ea7n thi\u1ebft.<\/li>\n\n\n\n<li>T\u00e1ch bi\u1ec7t c\u00e1c t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 b\u1ecb t\u1eeb ch\u1ed1i.<\/li>\n\n\n\n<li>Ghi l\u1ea1i th\u00f4ng tin l\u00f4 tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t.<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c tr\u00e1ng ph\u1ee7, ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ho\u00e0n thi\u1ec7n cu\u1ed1i c\u00f9ng. Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> khi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a \u0111\u01a1n \u0111\u1eb7t h\u00e0ng.<\/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>Nhi\u1ec1u ng\u01b0\u1eddi mua ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c ki\u1ec3m tra cu\u1ed1i c\u00f9ng. L\u00fac \u0111\u00f3 \u0111\u00e3 qu\u00e1 mu\u1ed9n \u0111\u1ed1i v\u1edbi nh\u1eefng khi\u1ebfm khuy\u1ebft li\u00ean quan \u0111\u1ebfn v\u1eadt ch\u1ea5t.<\/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>Ch\u1ec9 ch\u1ea5p nh\u1eadn nh\u1eefng t\u00ean v\u1eadt li\u1ec7u m\u01a1 h\u1ed3 nh\u01b0 \u201cth\u00e9p carbon\u201d.<\/li>\n\n\n\n<li>Kh\u00f4ng y\u00eau c\u1ea7u truy xu\u1ea5t ngu\u1ed3n g\u1ed1c s\u1ed1 nhi\u1ec7t.<\/li>\n\n\n\n<li>B\u1ecf qua gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u cho \u1ed1c v\u00edt t\u00f9y ch\u1ec9nh.<\/li>\n\n\n\n<li>Gi\u1ea3 s\u1eed lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 theo b\u1ec1 ngo\u00e0i.<\/li>\n\n\n\n<li>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng cu\u1ed1i c\u00f9ng nh\u01b0ng kh\u00f4ng ki\u1ec3m tra t\u00ecnh tr\u1ea1ng v\u1eadt li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/li>\n\n\n\n<li>Ph\u00ea duy\u1ec7t s\u1ea3n xu\u1ea5t tr\u01b0\u1edbc khi v\u1ebd ghi ch\u00fa v\u1eadt li\u1ec7u r\u00f5 r\u00e0ng.<\/li>\n<\/ul>\n\n\n\n<p>cho <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>, lo\u1ea1i v\u1eadt li\u1ec7u, lo\u1ea1i ch\u1ee9ng ch\u1ec9 v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t m\u1eabu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra \u0111\u1ec3 ki\u1ec3m so\u00e1t nguy\u00ean li\u1ec7u th\u00f4<\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t, ng\u01b0\u1eddi mua n\u00ean ch\u1ec9 \u0111\u1ecbnh:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>RFQ M\u1ee5c<\/th><th>Cung c\u1ea5p nh\u1eefng g\u00ec<\/th><\/tr><\/thead><tbody><tr><td>L\u1edbp v\u1eadt li\u1ec7u<\/td><td>Th\u00e9p carbon, th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u1ed3ng thau, nh\u00f4m<\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n<\/td><td>ASTM, ISO, DIN, EN, ASME, ho\u1eb7c b\u1ea3n v\u1ebd<\/td><\/tr><tr><td>Ch\u1ee9ng ch\u1ec9<\/td><td>MTC, EN 10204 3.1, ho\u1eb7c y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n<\/td><\/tr><tr><td>Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c nhi\u1ec7t<\/td><td>B\u1eaft bu\u1ed9c ho\u1eb7c kh\u00f4ng b\u1eaft bu\u1ed9c<\/td><\/tr><tr><td>Ki\u1ec3m tra c\u01a1 h\u1ecdc<\/td><td>\u0110\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n k\u00e9o, t\u1ea3i tr\u1ecdng b\u1eb1ng ch\u1ee9ng n\u1ebfu c\u1ea7n<\/td><\/tr><tr><td>T\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t<\/td><td>Kh\u00f4ng r\u1ec9 s\u00e9t, ng\u00e2m, \u1ee7, r\u00fat ho\u1eb7c ch\u1ec9 \u0111\u1ecbnh<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng<\/td><td>Ch\u1ecbu t\u1ea3i, ch\u1ed1ng \u0103n m\u00f2n, nhi\u1ec7t \u0111\u1ed9 cao, t\u00f9y ch\u1ec9nh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>Ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4 l\u00e0 r\u00e0o c\u1ea3n \u0111\u1ea7u ti\u00ean ch\u1ed1ng l\u1ea1i s\u1ef1 c\u1ed1 c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t. M\u1ed9t s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng s\u1ea1ch s\u1ebd kh\u00f4ng \u0111\u1ea3m b\u1ea3o nguy\u00ean li\u1ec7u ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p>C\u00e1ch ti\u1ebfp c\u1eadn an to\u00e0n nh\u1ea5t l\u00e0 x\u00e1c nh\u1eadn lo\u1ea1i v\u1eadt li\u1ec7u, s\u1ed1 nhi\u1ec7t, ch\u1ee9ng ch\u1ec9, t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t, \u0111\u01b0\u1eddng k\u00ednh, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m r\u1ee7i ro ti\u1ec1m \u1ea9n v\u00e0 l\u00e0m cho vi\u1ec7c ki\u1ec3m tra cu\u1ed1i c\u00f9ng tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Raw material inspection is where fastener quality really starts. Before a bolt is cold headed, before a screw is threaded, and before a washer is stamped, the steel wire rod, bar stock, or stainless coil must be checked. In practice, many production problems can be traced back to raw material: cracked heads, unstable hardness, poor [&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-6771","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\/6771","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=6771"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6771\/revisions"}],"predecessor-version":[{"id":6772,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6771\/revisions\/6772"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}