{"id":9534,"date":"2026-02-02T14:53:11","date_gmt":"2026-02-02T06:53:11","guid":{"rendered":"https:\/\/www.packqc.com\/products\/coefficient-of-friction-testing-equipment\/"},"modified":"2026-04-14T12:04:12","modified_gmt":"2026-04-14T04:04:12","slug":"coefficient-of-friction-testing-equipment","status":"publish","type":"products","link":"https:\/\/www.packqc.com\/vi\/products\/coefficient-of-friction-testing-equipment\/","title":{"rendered":"Thi\u1ebft b\u1ecb ki\u1ec3m tra h\u1ec7 s\u1ed1 ma s\u00e1t COF-01"},"content":{"rendered":"<h2 class=\"wp-block-heading\">T\u00d4I. <strong>Gi\u1edbi thi\u1ec7u c\u1ee7a <\/strong><strong>Thi\u1ebft b\u1ecb ki\u1ec3m tra h\u1ec7 s\u1ed1 ma s\u00e1t<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(1) T\u1ed5ng quan v\u1ec1 th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t (CoF)<\/strong><\/h3>\n\n\n\n<p>H\u1ec7 s\u1ed1 ma s\u00e1t (CoF) l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n trong th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u, \u0111\u1ecbnh l\u01b0\u1ee3ng l\u1ef1c c\u1ea3n g\u1eb7p ph\u1ea3i khi hai b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t v\u00e0o nhau. Th\u1eed nghi\u1ec7m CoF r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ed9 an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a nhi\u1ec1u s\u1ea3n ph\u1ea9m kh\u00e1c nhau trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, bao g\u1ed3m bao b\u00ec, thi\u1ebft b\u1ecb y t\u1ebf, d\u01b0\u1ee3c ph\u1ea9m, ch\u1ea5t k\u1ebft d\u00ednh, h\u00e0ng d\u1ec7t may, v.v. C\u00e1c ph\u00e9p \u0111o CoF ch\u00ednh x\u00e1c gi\u00fap hi\u1ec3u \u0111\u01b0\u1ee3c h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u, t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a ng\u00e0nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(2) V\u1ec1 Thi\u1ebft b\u1ecb ki\u1ec3m tra h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a Cell Instruments<\/strong><\/h3>\n\n\n\n<p>T\u1ea1i Cell Instruments, ch\u00fang t\u00f4i cung c\u1ea5p Thi\u1ebft b\u1ecb ki\u1ec3m tra h\u1ec7 s\u1ed1 ma s\u00e1t hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a kh\u00e1ch h\u00e0ng. Thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 tin c\u1eady v\u00e0 t\u00ednh linh ho\u1ea1t, \u0111\u1ea3m b\u1ea3o b\u1ea1n lu\u00f4n c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p><strong>C\u00e1c t\u00ednh n\u0103ng v\u00e0 l\u1ee3i \u00edch ch\u00ednh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c cao:<\/strong> Thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o CoF ch\u00ednh x\u00e1c v\u1edbi \u0111\u1ed9 bi\u1ebfn thi\u00ean t\u1ed1i thi\u1ec3u.<\/li>\n\n\n\n<li><strong>Giao di\u1ec7n th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng:<\/strong> C\u00e1c n\u00fat \u0111i\u1ec1u khi\u1ec3n d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 ph\u1ea7n m\u1ec1m tr\u1ef1c quan gi\u00fap v\u1eadn h\u00e0nh \u0111\u01a1n gi\u1ea3n, ngay c\u1ea3 v\u1edbi ng\u01b0\u1eddi d\u00f9ng l\u1ea7n \u0111\u1ea7u.<\/li>\n\n\n\n<li><em><strong>T\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh:<\/strong> Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m c\u1ee5 th\u1ec3.<\/em><\/li>\n\n\n\n<li><strong>Thi\u1ebft k\u1ebf ch\u1eafc ch\u1eafn:<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n cao, m\u00e1y th\u1eed nghi\u1ec7m CoF c\u1ee7a ch\u00fang t\u00f4i ch\u1ec9 c\u1ea7n b\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u, mang l\u1ea1i \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Quy tr\u00ecnh th\u1eed nghi\u1ec7m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ma s\u00e1t l\u00e0 g\u00ec?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/NUgXENOz8J0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">II. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 t\u00ednh n\u0103ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>C\u1ea3m bi\u1ebfn l\u1ef1c<\/td><td>5 N (ho\u1eb7c theo y\u00eau c\u1ea7u)<\/td><\/tr><tr><td>S\u1ef1 ch\u00ednh x\u00e1c<\/td><td>0,5 FS<\/td><\/tr><tr><td>Xe tr\u01b0\u1ee3t tuy\u1ebft<\/td><td>200\u00b11g (ho\u1eb7c t\u00f9y theo y\u00eau c\u1ea7u)<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc xe tr\u01b0\u1ee3t tuy\u1ebft<\/td><td>63,5mm*63,5mm (ho\u1eb7c theo y\u00eau c\u1ea7u)<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m<\/td><td>100mm\/ph\u00fat (ISO), 150mm\/ph\u00fat (ASTM)<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc<\/td><td>540mm(D)*380mm(R)*240mm(C)<\/td><\/tr><tr><td>C\u00e2n n\u1eb7ng<\/td><td>T\u00e2y B\u1eafc 21kg<\/td><\/tr><tr><td>Quy\u1ec1n l\u1ef1c<\/td><td>110~220V 50\/60Hz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">(1) \u0110\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady<\/h4>\n\n\n\n<p>\u0110\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n v\u00e0 ch\u00ednh x\u00e1c l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m CoF c\u1ee7a ch\u00fang t\u00f4i. C\u00e1c c\u1ea3m bi\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng hi\u1ec7u chu\u1ea9n ti\u00ean ti\u1ebfn \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao, trong khi k\u1ebft c\u1ea5u ch\u1eafc ch\u1eafn \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i v\u00e0 nhu c\u1ea7u b\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">(2) T\u00ednh linh ho\u1ea1t v\u00e0 t\u00f9y ch\u1ec9nh<\/h4>\n\n\n\n<p>Thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 t\u00ecnh hu\u1ed1ng th\u1eed nghi\u1ec7m. Cho d\u00f9 b\u1ea1n \u0111ang th\u1eed nghi\u1ec7m m\u00e0ng m\u1ecbn, v\u1ea3i th\u00f4 hay b\u1ec1 m\u1eb7t d\u00ednh, Thi\u1ebft b\u1ecb ki\u1ec3m tra h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m \u0111\u1ed9c \u0111\u00e1o, cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o c\u00e1c quy tr\u00ecnh hi\u1ec7n c\u00f3 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">(3) Tr\u1ea3i nghi\u1ec7m v\u00e0 h\u1ed7 tr\u1ee3 ng\u01b0\u1eddi d\u00f9ng<\/h4>\n\n\n\n<p>D\u1ec5 s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a thi\u1ebft b\u1ecb ki\u1ec3m tra CoF c\u1ee7a ch\u00fang t\u00f4i. Giao di\u1ec7n tr\u1ef1c quan cho ph\u00e9p v\u1eadn h\u00e0nh \u0111\u01a1n gi\u1ea3n, trong khi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u00f3m c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb hi\u1ec7u qu\u1ea3. Ngo\u00e0i ra, ch\u00fang t\u00f4i cung c\u1ea5p h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 h\u1ed7 tr\u1ee3 b\u1ea1n gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1 ho\u1eb7c th\u1eafc m\u1eafc.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2024\/06\/astm-d1709-coefficient-of-friction-testing-equipment.jpg\" alt=\"thi\u1ebft b\u1ecb ki\u1ec3m tra h\u1ec7 s\u1ed1 ma s\u00e1t astm d1709\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">III. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(1) Nguy\u00ean t\u1eafc th\u1eed nghi\u1ec7m CoF<\/h3>\n\n\n\n<p>Ki\u1ec3m tra CoF bao g\u1ed3m vi\u1ec7c \u0111o l\u1ef1c ma s\u00e1t gi\u1eefa hai b\u1ec1 m\u1eb7t. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh l\u1ef1c ma s\u00e1t t\u0129nh (l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1eaft \u0111\u1ea7u chuy\u1ec3n \u0111\u1ed9ng) v\u00e0 l\u1ef1c ma s\u00e1t \u0111\u1ed9ng (l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec chuy\u1ec3n \u0111\u1ed9ng). Chu\u1ea9n b\u1ecb v\u00e0 x\u1eed l\u00fd m\u1eabu \u0111\u00fang c\u00e1ch l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(2) Chu\u1ea9n b\u1ecb m\u1eabu v\u00e0 \u0111i\u1ec1u h\u00f2a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u00edch th\u01b0\u1edbc m\u1eabu:<\/strong> K\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n th\u01b0\u1eddng l\u00e0 63,5 mm x 63,5 mm (ti\u00eau chu\u1ea9n), nh\u01b0ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m c\u1ee5 th\u1ec3.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ki\u1ec7n:<\/strong> M\u1eabu ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf nhi\u1ec7t \u0111\u1ed9 23\u00b0C v\u00e0 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i 50% trong \u00edt nh\u1ea5t 48 gi\u1edd tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(3) Quy tr\u00ecnh th\u1eed nghi\u1ec7m<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>S\u1ef1 \u0111\u1ecbnh c\u1ee1:<\/strong> \u0110\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/li>\n\n\n\n<li><strong>V\u1ecb tr\u00ed m\u1eabu:<\/strong> C\u1ed1 \u0111\u1ecbnh m\u1eabu tr\u00ean xe tr\u01b0\u1ee3t th\u1eed nghi\u1ec7m v\u00e0 v\u1eadt li\u1ec7u t\u01b0\u01a1ng \u1ee9ng tr\u00ean b\u1ec7 th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra:<\/strong> B\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m b\u1eb1ng c\u00e1ch di chuy\u1ec3n xe tr\u01b0\u1ee3t tuy\u1ebft v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i. Ghi l\u1ea1i l\u1ef1c ma s\u00e1t t\u0129nh v\u00e0 \u0111\u1ed9ng.<\/li>\n\n\n\n<li><strong>Ph\u00e2n t\u00edch d\u1eef li\u1ec7u:<\/strong> Ph\u00e2n t\u00edch k\u1ebft qu\u1ea3 b\u1eb1ng ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb CoF.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">IV. <strong>Ti\u00eau chu\u1ea9n cho th\u1eed nghi\u1ec7m CoF<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(1) ASTMD1894<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.packqc.com\/vi\/standard\/astm-d1894\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ti\u00eau chu\u1ea9n ASTMD1894<\/a> l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i \u0111\u1ec3 \u0111o CoF c\u1ee7a m\u00e0ng nh\u1ef1a v\u00e0 t\u1ea5m nh\u1ef1a. N\u00f3 cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1ed1ng nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng so s\u00e1nh k\u1ebft qu\u1ea3 gi\u1eefa c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m chi ti\u1ebft theo ASTM D1894:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chu\u1ea9n b\u1ecb m\u1eabu:<\/strong> C\u00e1c m\u1eabu \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh t\u1eebng d\u1ea3i v\u00e0 x\u1eed l\u00fd theo quy \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>Thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m:<\/strong> Phim \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng n\u1eb1m ngang trong khi xe tr\u01b0\u1ee3t \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng v\u1eadt li\u1ec7u gi\u1ed1ng ho\u1eb7c kh\u00e1c v\u1eadt li\u1ec7u, \u0111\u01b0\u1ee3c k\u00e9o qua m\u1eb7t ph\u1eb3ng v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i.<\/li>\n\n\n\n<li><strong>C\u00e1c ph\u00e9p \u0111o:<\/strong> C\u00e1c l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1eaft \u0111\u1ea7u v\u00e0 duy tr\u00ec chuy\u1ec3n \u0111\u1ed9ng \u0111\u01b0\u1ee3c ghi l\u1ea1i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh CoF t\u0129nh v\u00e0 \u0111\u1ed9ng.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Y\u00eau c\u1ea7u v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hi\u1ec7u chu\u1ea9n thi\u1ebft b\u1ecb:<\/strong> Hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n\n\n\n<li><strong>T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m:<\/strong> Th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf m\u1ee9c 150 mm\/ph\u00fat.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng:<\/strong> Vi\u1ec7c th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u1edf nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(2) Ti\u00eau chu\u1ea9n ISO8295<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.packqc.com\/vi\/standard\/iso-8295\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ti\u00eau chu\u1ea9n ISO8295<\/a> l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh CoF c\u1ee7a m\u00e0ng nh\u1ef1a v\u00e0 t\u1ea5m nh\u1ef1a. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o quy tr\u00ecnh th\u1eed nghi\u1ec7m th\u1ed1ng nh\u1ea5t v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a k\u1ebft qu\u1ea3 tr\u00ean ph\u1ea1m vi to\u00e0n c\u1ea7u.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m chi ti\u1ebft theo ISO 8295:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chu\u1ea9n b\u1ecb m\u1eabu:<\/strong> T\u01b0\u01a1ng t\u1ef1 nh\u01b0 <a href=\"https:\/\/store.astm.org\/d1894-24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Ti\u00eau chu\u1ea9n ASTMD1894<\/a>, c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb v\u00e0 x\u1eed l\u00fd.<\/li>\n\n\n\n<li><strong>Thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m:<\/strong> M\u1eabu \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t ph\u1eb3ng v\u00e0 m\u1ed9t chi\u1ebfc xe tr\u01b0\u1ee3t c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c k\u00e9o qua m\u1eabu v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i.<\/li>\n\n\n\n<li><strong>C\u00e1c ph\u00e9p \u0111o:<\/strong> L\u1ef1c ma s\u00e1t t\u0129nh v\u00e0 l\u1ef1c ma s\u00e1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111o \u0111\u1ec3 t\u00ednh to\u00e1n CoF.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Y\u00eau c\u1ea7u v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m:<\/strong> \u0110\u1eb7t \u1edf m\u1ee9c t\u1eeb 100 \u0111\u1ebfn 300 mm\/ph\u00fat, th\u00f4ng th\u01b0\u1eddng l\u00e0 100 mm\/ph\u00fat.<\/li>\n\n\n\n<li><strong>Tr\u1ecdng l\u01b0\u1ee3ng xe tr\u01b0\u1ee3t tuy\u1ebft:<\/strong> \u0110\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh theo ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng:<\/strong> C\u00e1c th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V. <strong>\u1ee8ng d\u1ee5ng v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng trong ng\u00e0nh<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i<\/h3>\n\n\n\n<p>Trong ng\u00e0nh bao b\u00ec, th\u1eed nghi\u1ec7m CoF r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u kh\u00f4ng d\u00ednh v\u00e0o nhau qu\u00e1 nhi\u1ec1u ho\u1eb7c kh\u00f4ng d\u1ec5 d\u00e0ng t\u00e1ch ra, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u1ee7a bao b\u00ec.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Y t\u1ebf v\u00e0 D\u01b0\u1ee3c ph\u1ea9m<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 bao b\u00ec d\u01b0\u1ee3c ph\u1ea9m, vi\u1ec7c ki\u1ec3m so\u00e1t CoF r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, ch\u1ee9c n\u0103ng v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ec7t may v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh<\/h3>\n\n\n\n<p>Trong h\u00e0ng d\u1ec7t may, CoF \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3m gi\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1ea3i. \u0110\u1ed1i v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh, n\u00f3 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n li\u00ean k\u1ebft v\u00e0 kh\u1ea3 n\u0103ng d\u1ec5 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VI.C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<p><a tabindex=\"0\">1. Ki\u1ec3m tra h\u1ec7 s\u1ed1 ma s\u00e1t (CoF) l\u00e0 g\u00ec?<\/a><\/p>\n\n\n\n<p>Ki\u1ec3m tra CoF \u0111o l\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t gi\u1eefa hai b\u1ec1 m\u1eb7t. \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n\n\n\n<p><a tabindex=\"0\">2. T\u1ea1i sao th\u1eed nghi\u1ec7m CoF l\u1ea1i quan tr\u1ecdng trong \u0111\u00f3ng g\u00f3i?<\/a><\/p>\n\n\n\n<p>Ki\u1ec3m tra CoF \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i kh\u00f4ng d\u00ednh v\u00e0o nhau qu\u00e1 nhi\u1ec1u ho\u1eb7c kh\u00f4ng d\u1ec5 d\u00e0ng t\u00e1ch ra, duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u1ee7a bao b\u00ec.<\/p>\n\n\n\n<p><a tabindex=\"0\">3. Thi\u1ebft b\u1ecb ki\u1ec3m tra CoF c\u1ee7a Cell Instruments \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/p>\n\n\n\n<p>Thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c c\u1ea3m bi\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng hi\u1ec7u chu\u1ea9n ti\u00ean ti\u1ebfn \u0111\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o CoF ch\u00ednh x\u00e1c v\u00e0 nh\u1ea5t qu\u00e1n. B\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e2u d\u00e0i.<\/p>\n\n\n\n<p><a tabindex=\"0\">4. Thi\u1ebft b\u1ecb ki\u1ec3m tra CoF c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c kh\u00f4ng?<\/a><\/p>\n\n\n\n<p>C\u00f3, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m c\u1ee5 th\u1ec3, \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i ph\u00f9 h\u1ee3p ho\u00e0n to\u00e0n v\u1edbi quy tr\u00ecnh l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p><a tabindex=\"0\">5. Ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0o \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb th\u1eed nghi\u1ec7m CoF?<\/a><\/p>\n\n\n\n<p>C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 bao b\u00ec, thi\u1ebft b\u1ecb y t\u1ebf, d\u01b0\u1ee3c ph\u1ea9m, d\u1ec7t may, ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb th\u1eed nghi\u1ec7m CoF b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m, hi\u1ec7u su\u1ea5t v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n.<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 s\u1ed1 ma s\u00e1t (CoF) l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n trong th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u, d\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng l\u1ef1c c\u1ea3n ph\u00e1t sinh khi hai b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t tr\u00ean nhau.<\/p>","protected":false},"featured_media":4905,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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