{"id":345,"date":"2025-04-10T06:15:44","date_gmt":"2025-04-10T06:15:44","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?page_id=345"},"modified":"2025-04-23T03:12:53","modified_gmt":"2025-04-23T03:12:53","slug":"coefficient-of-friction-of-plastic-film","status":"publish","type":"page","link":"https:\/\/www.coefficientfriction.com\/vi\/application\/coefficient-of-friction-of-plastic-film","title":{"rendered":"M\u00e0ng nh\u1ef1a"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"345\" class=\"elementor elementor-345\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e87c6b2 e-flex e-con-boxed e-con e-parent\" data-id=\"e87c6b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-60fbb6b e-con-full e-flex e-con e-child\" data-id=\"60fbb6b\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e3633c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"0e3633c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">H\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a m\u00e0ng nh\u1ef1a<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a73bac6 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"a73bac6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>ASTM D1894, ISO 8295 v\u00e0 BS 2782-8: 824A<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0364755 e-flex e-con-boxed e-con e-parent\" data-id=\"0364755\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f673fbc elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"f673fbc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hi\u1ec3u v\u1ec1 h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a m\u00e0ng nh\u1ef1a<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-156f03e elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"156f03e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"500\" data-end=\"919\">C\u00e1i <strong data-start=\"504\" data-end=\"547\">h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a m\u00e0ng nh\u1ef1a<\/strong> \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 tr\u01b0\u1ee3t d\u1ec5 d\u00e0ng c\u1ee7a c\u00e1c l\u1edbp m\u00e0ng khi ch\u1ed3ng l\u00ean nhau ho\u1eb7c t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y m\u00f3c. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 chuy\u00ean gia \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong c\u00e1c ng\u00e0nh bao b\u00ec, y t\u1ebf v\u00e0 th\u1ef1c ph\u1ea9m, vi\u1ec7c ki\u1ec3m so\u00e1t ma s\u00e1t n\u00e0y l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t di\u1ec5n ra su\u00f4n s\u1ebb, ng\u0103n ng\u1eeba s\u1ef1 gi\u00e1n \u0111o\u1ea1n tr\u00ean d\u00e2y chuy\u1ec1n \u0111\u00f3ng g\u00f3i, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u h\u00f3a t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a s\u1ea3n ph\u1ea9m trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n.<\/p><p class=\"\" data-start=\"921\" data-end=\"1160\">Trong c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn m\u00e0ng nh\u1ef1a, h\u1ec7 s\u1ed1 ma s\u00e1t (COF) cung c\u1ea5p nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt li\u1ec7u. T\u00ednh ch\u1ea5t duy nh\u1ea5t n\u00e0y c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi m\u00e1y m\u00f3c, kh\u1ea3 n\u0103ng x\u1ebfp ch\u1ed3ng v\u00e0 th\u1eadm ch\u00ed c\u1ea3 tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-70bac52 e-flex e-con-boxed e-con e-parent\" data-id=\"70bac52\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38e9bd9 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"38e9bd9\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t<br><small>ASTM D1894, ISO 8295 v\u00e0 BS 2782-8: 824A<\/small><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfe4ac5 elementor-position-left elementor-vertical-align-middle elementor-invisible elementor-widget elementor-widget-image-box\" data-id=\"bfe4ac5\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&quot;}\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"https:\/\/www.coefficientfriction.com\/vi\/astm-d1894\/\" tabindex=\"-1\"><img fetchpriority=\"high\" decoding=\"async\" width=\"400\" height=\"400\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-1.webp\" class=\"attachment-full size-full wp-image-80\" alt=\"ASTM\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-1.webp 400w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-1-300x300.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-1-150x150.webp 150w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/www.coefficientfriction.com\/vi\/astm-d1894\/\">Ti\u00eau chu\u1ea9n ASTM D1894: Ph\u01b0\u01a1ng ph\u00e1p th\u1eed ti\u00eau chu\u1ea9n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ma s\u00e1t t\u0129nh v\u00e0 \u0111\u1ed9ng c\u1ee7a m\u00e0ng v\u00e0 t\u1ea5m nh\u1ef1a<\/a><\/h3><p class=\"elementor-image-box-description\">Ti\u00eau chu\u1ea9n ASTM D1894 quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t t\u0129nh v\u00e0 \u0111\u1ed9ng (COF) c\u1ee7a m\u00e0ng v\u00e0 t\u1ea5m nh\u1ef1a. Theo ti\u00eau chu\u1ea9n n\u00e0y, l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng v\u00e0 duy tr\u00ec chuy\u1ec3n \u0111\u1ed9ng gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng xe tr\u01b0\u1ee3t v\u00e0 m\u1eb7t ph\u1eb3ng. T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m th\u01b0\u1eddng l\u00e0 150 mm\/ph\u00fat, v\u00e0 s\u1eed d\u1ee5ng m\u1ed9t chi\u1ebfc xe tr\u01b0\u1ee3t ti\u00eau chu\u1ea9n (200g \u00b11g).<br>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf B\u1eafc M\u1ef9 v\u00e0 l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa m\u00e0ng v\u1edbi m\u00e0ng v\u00e0 gi\u1eefa m\u00e0ng v\u1edbi kim lo\u1ea1i \u2014 \u0111i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i d\u1ea1ng \u0111\u1ee9ng (VFFS).<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16cef5c elementor-position-left elementor-vertical-align-middle elementor-invisible elementor-widget elementor-widget-image-box\" data-id=\"16cef5c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&quot;}\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"https:\/\/www.coefficientfriction.com\/vi\/iso-8295\/\" tabindex=\"-1\"><img decoding=\"async\" width=\"400\" height=\"400\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ISO-Standard-1.webp\" class=\"attachment-full size-full wp-image-81\" alt=\"Ti\u00eau chu\u1ea9n ISO\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ISO-Standard-1.webp 400w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ISO-Standard-1-300x300.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ISO-Standard-1-150x150.webp 150w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/www.coefficientfriction.com\/vi\/iso-8295\/\">ISO 8295 Nh\u1ef1a \u2014 M\u00e0ng v\u00e0 t\u1ea5m nh\u1ef1a \u2014 X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ma s\u00e1t<\/a><\/h3><p class=\"elementor-image-box-description\">Ti\u00eau chu\u1ea9n ISO 8295 l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf t\u01b0\u01a1ng \u0111\u01b0\u01a1ng d\u00e0nh cho th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t (COF). M\u1eb7c d\u00f9 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ti\u00eau chu\u1ea9n ASTM D1894, ti\u00eau chu\u1ea9n ISO 8295 quy \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m l\u00e0 100 mm\/ph\u00fat v\u00e0 \u0111\u01b0a ra c\u00e1c gi\u1edbi h\u1ea1n ch\u1eb7t ch\u1ebd h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, \u0111\u1eb7c bi\u1ec7t l\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m, nh\u1eefng y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m.<br>Ti\u00eau chu\u1ea9n ISO 8295 th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn trong c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00f3ng g\u00f3i to\u00e0n c\u1ea7u v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c th\u01b0\u01a1ng hi\u1ec7u \u0111a qu\u1ed1c gia s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1eb1m th\u1ed1ng nh\u1ea5t vi\u1ec7c \u0111\u00e1nh gi\u00e1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i tr\u00ean c\u00e1c khu v\u1ef1c.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-234d2e3 elementor-position-left elementor-vertical-align-middle elementor-invisible elementor-widget elementor-widget-image-box\" data-id=\"234d2e3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&quot;}\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"400\" height=\"400\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/BSI.webp\" class=\"attachment-full size-full wp-image-348\" alt=\"\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/BSI.webp 400w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/BSI-300x300.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/elementor\/thumbs\/BSI-r453jo07vb62zg9dltqnq0hb6jzkxj0brudev3s1uk.webp 150w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/BSI-12x12.webp 12w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/elementor\/thumbs\/BSI-r453jo08h8kasgc8ta68s1whp83e9em6pqnzxt0nv4.webp 200w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/elementor\/thumbs\/BSI-r453jo079drv6g6iedb2nz24nvvrlnegty2tsejfu0.webp 100w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/elementor\/thumbs\/BSI-r453jo088gt0guphxi00cu4thr92j1z1jdqypix7uw.webp 180w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">BS 2782-8: 824A Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m nh\u1ef1a. - X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a m\u00e0ng nh\u1ef1a<\/h3><p class=\"elementor-image-box-description\">Ti\u00eau chu\u1ea9n Anh BS 2782-8: Ph\u01b0\u01a1ng ph\u00e1p 824A l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn \u0111\u1ec3 th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t (COF) c\u1ee7a m\u00e0ng nh\u1ef1a. Ti\u00eau chu\u1ea9n n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb, chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t v\u00e0 c\u00e1ch gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3. M\u1eb7c d\u00f9 \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n so v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n ASTM ho\u1eb7c ISO, ti\u00eau chu\u1ea9n n\u00e0y v\u1eabn \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i t\u1ea1i c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m \u1edf V\u01b0\u01a1ng qu\u1ed1c Anh v\u00e0 ch\u00e2u \u00c2u.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9d958da e-flex e-con-boxed e-con e-parent\" data-id=\"9d958da\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5055911 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"5055911\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">H\u1ec7 s\u1ed1 ma s\u00e1t t\u0129nh so v\u1edbi h\u1ec7 s\u1ed1 ma s\u00e1t \u0111\u1ed9ng<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bb9ae2 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"3bb9ae2\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"2898\" data-end=\"2952\">H\u1ec7 s\u1ed1 ma s\u00e1t \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i:<\/p><ul><li data-start=\"2898\" data-end=\"2952\"><strong>H\u1ec7 s\u1ed1 ma s\u00e1t t\u0129nh (\u03bc<sub>s<\/sub>)<\/strong>: Ch\u1ec9 s\u1ed1 n\u00e0y \u0111o l\u01b0\u1eddng l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng gi\u1eefa hai v\u1eadt li\u1ec7u. \u0110\u1ed1i v\u1edbi m\u00e0ng nh\u1ef1a, ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh li\u1ec7u c\u00e1c t\u00fai x\u1ebfp ch\u1ed3ng ho\u1eb7c cu\u1ed9n m\u00e0ng c\u00f3 b\u1ecb x\u00ea d\u1ecbch trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n hay v\u1eadn chuy\u1ec3n hay kh\u00f4ng.<\/li><li data-start=\"2898\" data-end=\"2952\"><strong>H\u1ec7 s\u1ed1 ma s\u00e1t \u0111\u1ed9ng h\u1ecdc (\u03bc<sub>k<\/sub>)<\/strong>: Ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u00e1nh gi\u00e1 l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec chuy\u1ec3n \u0111\u1ed9ng sau khi qu\u00e1 tr\u00ecnh tr\u01b0\u1ee3t b\u1eaft \u0111\u1ea7u. Ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c x\u1eed l\u00fd qua c\u00e1c m\u00e1y \u0111\u00f3ng g\u00f3i t\u1ed1c \u0111\u1ed9 cao, n\u01a1i m\u00e0ng nh\u1ef1a di chuy\u1ec3n li\u00ean t\u1ee5c qua c\u00e1c con l\u0103n ho\u1eb7c c\u00e1c k\u1eb9p h\u00e0n.<\/li><\/ul><p class=\"\" data-start=\"3430\" data-end=\"3540\">C\u1ea3 hai gi\u00e1 tr\u1ecb n\u00e0y \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf v\u00e0 chuy\u00ean gia \u0111\u00f3ng g\u00f3i trong qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u1eadt li\u1ec7u.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7157bfd e-flex e-con-boxed e-con e-parent\" data-id=\"7157bfd\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3b14452 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"3b14452\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a m\u00e0ng nh\u1ef1a<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-496ca50 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"496ca50\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"3616\" data-end=\"3652\">C\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 s\u1ed1 ma s\u00e1t (COF):<\/p><ol><li><strong>Ch\u1ea5t ph\u1ee5 gia<\/strong>: C\u00e1c ch\u1ea5t ch\u1ed1ng d\u00ednh, ch\u1ea5t l\u00e0m tr\u01a1n ho\u1eb7c ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ma s\u00e1t b\u1ec1 m\u1eb7t.<\/li><li><strong>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/strong>: C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1eb1ng Corona ho\u1eb7c plasma l\u00e0m thay \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 ma s\u00e1t.<\/li><li><strong>Ch\u1ea5t ph\u1ee7 v\u00e0 m\u1ef1c in<\/strong>: C\u00e1c l\u1edbp in ho\u1eb7c l\u1edbp s\u01a1n b\u00f3ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng ho\u1eb7c gi\u1ea3m \u0111\u1ed9 tr\u01a1n tr\u01b0\u1ee3t.<\/li><li><strong>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/strong>: \u0110\u1ed9 \u1ea9m, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 s\u1ea1ch c\u1ee7a b\u1ec1 m\u1eb7t th\u1eed nghi\u1ec7m c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3.<\/li><\/ol><p class=\"\" data-start=\"3616\" data-end=\"3652\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t khi l\u1ef1a ch\u1ecdn ho\u1eb7c thi\u1ebft k\u1ebf m\u00e0ng nh\u1ef1a cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-470be7b e-flex e-con-boxed e-con e-parent\" data-id=\"470be7b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-21fbc0b elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"21fbc0b\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">T\u1ea1i sao vi\u1ec7c ki\u1ec3m tra h\u1ec7 s\u1ed1 ma s\u00e1t (COF) ch\u00ednh x\u00e1c l\u1ea1i quan tr\u1ecdng\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69d7efa elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"69d7efa\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"4242\" data-end=\"4529\">Trong th\u1ef1c t\u1ebf, m\u1ed9t s\u1ef1 thay \u0111\u1ed5i nh\u1ecf v\u1ec1 \u0111\u1ed9 ma s\u00e1t c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ho\u00e0n h\u1ea3o v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng g\u00e2y t\u1ed1n k\u00e9m. T\u00ecnh tr\u1ea1ng l\u1ec7ch tr\u1ee5c tr\u00ean d\u00e2y chuy\u1ec1n t\u1ed1c \u0111\u1ed9 cao, m\u00e0ng b\u1ecb k\u1eb9t trong k\u1eb9p h\u00e0n, hay s\u1ea3n ph\u1ea9m tr\u01b0\u1ee3t kh\u1ecfi b\u0103ng t\u1ea3i \u2014 t\u1ea5t c\u1ea3 nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb vi\u1ec7c c\u00e1c \u0111\u1eb7c t\u00ednh ma s\u00e1t ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c.<\/p><p class=\"\" data-start=\"4531\" data-end=\"4695\">\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c ki\u1ec3m tra ch\u00ednh x\u00e1c, d\u1ef1a tr\u00ean <strong data-start=\"4569\" data-end=\"4583\">ASTM D1894<\/strong>, <strong data-start=\"4585\" data-end=\"4597\">ISO 8295<\/strong>, ho\u1eb7c <strong data-start=\"4602\" data-end=\"4621\">BS 2782-8: 824A<\/strong>, l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng bao b\u00ec v\u00e0 ph\u00e1t tri\u1ec3n nguy\u00ean li\u1ec7u.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3703318 e-flex e-con-boxed e-con e-parent\" data-id=\"3703318\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9d80ed0 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"9d80ed0\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">M\u00e1y \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t COF-01 c\u1ee7a Cell Instruments<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9387db5 e-con-full e-flex e-con e-child\" data-id=\"9387db5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e136a83 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"e136a83\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"4789\" data-end=\"4983\">\u0110\u1ed1i v\u1edbi c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u00f3 y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t (COF) v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, <strong data-start=\"4869\" data-end=\"4910\">COF-01 - M\u00e1y \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t<\/strong> t\u1eeb <strong data-start=\"4916\" data-end=\"4936\">Cell Instruments<\/strong> cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n.<\/p><p class=\"\" data-start=\"4985\" data-end=\"5006\">C\u00e1c l\u1ee3i \u00edch ch\u00ednh bao g\u1ed3m:<\/p><ul data-start=\"5008\" data-end=\"5313\"><li class=\"\" data-start=\"5008\" data-end=\"5056\"><p class=\"\" data-start=\"5010\" data-end=\"5056\">\u0110o l\u01b0\u1eddng c\u1ea3 hai <strong data-start=\"5030\" data-end=\"5056\">H\u1ec7 s\u1ed1 ma s\u00e1t t\u0129nh v\u00e0 \u0111\u1ed9ng<\/strong><\/p><\/li><li class=\"\" data-start=\"5057\" data-end=\"5127\"><p class=\"\" data-start=\"5059\" data-end=\"5127\"><strong data-start=\"5059\" data-end=\"5099\">Tu\u00e2n th\u1ee7 <a href=\"https:\/\/www.astm.org\/d1894-14.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1894<\/a>, <a href=\"https:\/\/www.iso.org\/standard\/20760.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 8295<\/a><\/strong>, v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf kh\u00e1c<\/p><\/li><li class=\"\" data-start=\"5128\" data-end=\"5189\"><p class=\"\" data-start=\"5130\" data-end=\"5189\"><strong data-start=\"5130\" data-end=\"5145\">\u0110i\u1ec1u khi\u1ec3n PLC<\/strong> v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng <strong data-start=\"5164\" data-end=\"5189\">giao di\u1ec7n m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng<\/strong><\/p><\/li><li class=\"\" data-start=\"5190\" data-end=\"5243\"><p class=\"\" data-start=\"5192\" data-end=\"5243\">\u0110\u01b0\u1eddng cong th\u1eed nghi\u1ec7m theo th\u1eddi gian th\u1ef1c v\u00e0 ph\u00e2n t\u00edch th\u1ed1ng k\u00ea t\u1ef1 \u0111\u1ed9ng<\/p><\/li><li class=\"\" data-start=\"5244\" data-end=\"5313\"><p class=\"\" data-start=\"5246\" data-end=\"5313\">Thi\u1ebft k\u1ebf m\u00f4-\u0111un h\u1ed7 tr\u1ee3 <strong data-start=\"5272\" data-end=\"5313\">c\u00e1c b\u1ea3n n\u00e2ng c\u1ea5p v\u1ec1 t\u00f9y ch\u1ec9nh v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong><\/p><\/li><\/ul><p>D\u00f9 b\u1ea1n \u0111ang ki\u1ec3m tra \u0111\u1ed9 ma s\u00e1t gi\u1eefa m\u00e0ng v\u1edbi m\u00e0ng cho \u1ee9ng d\u1ee5ng t\u00fai \u0111\u1ef1ng hay gi\u1eefa m\u00e0ng v\u1edbi kim lo\u1ea1i \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u01b0\u01a1ng t\u00e1c v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng g\u00f3i, COF-01 \u0111\u1ec1u cung c\u1ea5p d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffa7f71 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"ffa7f71\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.coefficientfriction.com\/vi\/coefficient-of-friction-testing-equipment\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-03.webp\" class=\"attachment-large size-large wp-image-98\" alt=\"Thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t 03\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-03.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-03-300x300.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-03-150x150.webp 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">COF-01 - M\u00e1y \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a m\u00e0ng nh\u1ef1a theo ti\u00eau chu\u1ea9n ASTM D1894, ISO 8295 v\u00e0 BS 2782-8: 824A Hi\u1ec3u v\u1ec1 h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a m\u00e0ng nh\u1ef1a H\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 d\u1ec5 d\u00e0ng m\u00e0 c\u00e1c m\u00e0ng tr\u01b0\u1ee3t tr\u00ean nhau ho\u1eb7c t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 chuy\u00ean gia \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i, [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"parent":52,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-345","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages\/345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/comments?post=345"}],"version-history":[{"count":6,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages\/345\/revisions"}],"predecessor-version":[{"id":709,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages\/345\/revisions\/709"}],"up":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages\/52"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/media?parent=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}