{"id":370,"date":"2025-04-15T09:10:27","date_gmt":"2025-04-15T09:10:27","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?page_id=370"},"modified":"2025-04-16T01:45:55","modified_gmt":"2025-04-16T01:45:55","slug":"astm-d4917","status":"publish","type":"page","link":"https:\/\/www.coefficientfriction.com\/sk\/astm-d4917","title":{"rendered":"ASTM D4917"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"370\" class=\"elementor elementor-370\" 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-d087c52 e-con-full e-flex e-con e-child\" data-id=\"d087c52\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9f31fd elementor-invisible elementor-widget elementor-widget-image\" data-id=\"d9f31fd\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&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\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"200\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/ASTM-D4197.webp\" class=\"attachment-large size-large wp-image-372\" alt=\"ASTM D4197\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/ASTM-D4197.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/ASTM-D4197-300x100.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/04\/ASTM-D4197-18x6.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\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<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<h2 class=\"elementor-heading-title elementor-size-default\">Sk\u00fa\u0161obn\u00e1 met\u00f3da na stanovenie koeficientu statick\u00e9ho a kinetick\u00e9ho trenia v horizont\u00e1lnej rovine<\/h2>\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 class=\"\" data-start=\"499\" data-end=\"1017\">Pochopenie trecieho spr\u00e1vania papiera je nevyhnutn\u00e9 na zabezpe\u010denie optim\u00e1lneho v\u00fdkonu v tla\u010diarensk\u00fdch, spracovate\u013esk\u00fdch a baliacich oper\u00e1ci\u00e1ch. <strong data-start=\"643\" data-end=\"657\">ASTM D4917<\/strong> stanovuje \u0161tandardizovan\u00fd postup merania <em data-start=\"710\" data-end=\"754\">koeficient statick\u00e9ho a kinetick\u00e9ho trenia<\/em> nenatieran\u00e9ho tla\u010diarensk\u00e9ho a p\u00edsacieho papiera, ktor\u00e9 pom\u00e1haj\u00fa odborn\u00edkom na kontrolu kvality pri ur\u010dovan\u00ed interakcie papiera so sebou sam\u00fdm alebo s in\u00fdmi materi\u00e1lmi pri pohybe.<\/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\">ASTM D4917 D\u00f4le\u017eit\u00e1 sk\u00fa\u0161ka koeficientu trenia papiera<\/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=\"1079\" data-end=\"1532\">Norma ASTM D4917 stanovuje <strong data-start=\"1101\" data-end=\"1128\">met\u00f3da horizont\u00e1lnej roviny<\/strong> na vyhodnotenie odolnosti papiera proti k\u013azaniu, najm\u00e4 <strong data-start=\"1187\" data-end=\"1206\">nenatieran\u00e9 papiere<\/strong>v podmienkach re\u00e1lneho pou\u017e\u00edvania. Test je navrhnut\u00fd tak, aby simuloval sily p\u00f4sobiace na papierov\u00e9 listy po\u010das procesov, ako s\u00fa <strong data-start=\"1324\" data-end=\"1373\">tla\u010d, pod\u00e1vanie do kop\u00edrovac\u00edch strojov a balenie<\/strong>. Zabezpe\u010duje konzistentn\u00e9 <strong data-start=\"1397\" data-end=\"1427\">interakcia medzi jednotliv\u00fdmi listami<\/strong>a pom\u00e1ha v\u00fdrobcom udr\u017eiava\u0165 <strong data-start=\"1460\" data-end=\"1504\">integrita v\u00fdrobku, kompatibilita so strojom<\/strong>a spokojnos\u0165 koncov\u00fdch pou\u017e\u00edvate\u013eov.<\/p><p class=\"\" data-start=\"1534\" data-end=\"1860\">Trecie vlastnosti maj\u00fa priamy vplyv na to, ako \u013eahko sa h\u00e1rky papiera pos\u00favaj\u00fa cez zariadenie. Pr\u00edli\u0161 n\u00edzka COF m\u00f4\u017ee vies\u0165 k dvojit\u00e9mu pod\u00e1vaniu, zatia\u013e \u010do pr\u00edli\u0161 vysok\u00e1 COF m\u00f4\u017ee sp\u00f4sobi\u0165 zaseknutie alebo nespr\u00e1vne pod\u00e1vanie. Norma ASTM D4917 sa zaober\u00e1 obidvoma t\u00fdmito ot\u00e1zkami. <strong data-start=\"1737\" data-end=\"1771\">testovanie kinetick\u00e9ho trenia papiera<\/strong> a <strong data-start=\"1776\" data-end=\"1809\">testovanie statick\u00e9ho trenia papiera<\/strong> s praktick\u00fdmi postupmi a podrobn\u00fdmi usmerneniami.<\/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-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<h3 class=\"elementor-heading-title elementor-size-default\">Postup testovania koeficientu trenia pod\u013ea normy ASTM D4917<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b4a43e8 e-con-full e-flex e-con e-child\" data-id=\"b4a43e8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-949eee6 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"949eee6\" 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=\"1914\" data-end=\"2019\">Na vykonanie sk\u00fa\u0161ky trenia pod\u013ea normy ASTM D4917 musia by\u0165 vzorky <strong data-start=\"1983\" data-end=\"2003\">nakr\u00e1jan\u00e9 a pripraven\u00e9<\/strong> s presnos\u0165ou:<\/p><ul><li data-start=\"2023\" data-end=\"2149\">Pre <strong data-start=\"2027\" data-end=\"2052\">smer stroja COF<\/strong>, vzorky s\u00fa rezan\u00e9 v smere zrna zarovnanom s dlh\u0161\u00edm rozmerom (215 mm x 130 mm).<\/li><li data-start=\"2023\" data-end=\"2149\">Pre <strong data-start=\"2156\" data-end=\"2187\">kr\u00ed\u017eov\u00fd smer stroja COF<\/strong>, zrno sa tiahne pozd\u013a\u017e krat\u0161ej strany.<\/li><li data-start=\"2023\" data-end=\"2149\">Predbe\u017en\u00e9 kondicionovanie a testovanie sa mus\u00ed vykon\u00e1va\u0165 v kontrolovanom prostred\u00ed, ako je definovan\u00e9 v norme ASTM D685.<\/li><\/ul><p class=\"\" data-start=\"2327\" data-end=\"2654\">Vzorky s\u00fa usporiadan\u00e9 v p\u00e1roch - jeden je namontovan\u00fd na vodorovnom povrchu a druh\u00fd je pripevnen\u00fd k <strong data-start=\"2423\" data-end=\"2431\">sane<\/strong>-a testovan\u00e9 pomocou <strong data-start=\"2451\" data-end=\"2489\">pr\u00edstroj s kon\u0161tantnou r\u00fdchlos\u0165ou pohybu<\/strong>. Str\u00e1nka <strong data-start=\"2495\" data-end=\"2509\">statick\u00e9 COF<\/strong> sa zaznamen\u00e1va ako sila potrebn\u00e1 na za\u010datie pohybu a <strong data-start=\"2572\" data-end=\"2587\">kinetick\u00e9 COF<\/strong> ako priemern\u00e1 sila po\u010das ust\u00e1len\u00e9ho k\u013azania na vzdialenos\u0165 130 mm.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-768d61b e-con-full e-flex e-con e-child\" data-id=\"768d61b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e43e1f1 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-video\" data-id=\"e43e1f1\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/NUgXENOz8J0&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;play_on_mobile&quot;:&quot;yes&quot;,&quot;mute&quot;:&quot;yes&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;_animation&quot;:&quot;fadeInRight&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5aa253 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"f5aa253\" 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\t\t\t\t<a href=\"https:\/\/www.coefficientfriction.com\/sk\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"200\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-D1894-1.webp\" class=\"attachment-large size-large wp-image-77\" alt=\"ASTM D1894\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-D1894-1.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-D1894-1-300x100.webp 300w\" 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\t\t\t\t<\/div>\n\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-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\">Met\u00f3da sk\u00fa\u0161ky s\u00fa\u010dinite\u013ea trenia papiera - v\u00fdpo\u010det<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cac45b elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"7cac45b\" 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=\"2720\" data-end=\"2784\">Norma ASTM D4917 stanovuje jednoduch\u00e9 vzorce na v\u00fdpo\u010det hodn\u00f4t COF:<\/p><ul data-start=\"2786\" data-end=\"2915\"><li class=\"\" data-start=\"2786\" data-end=\"2852\"><p class=\"\" data-start=\"2788\" data-end=\"2852\"><strong data-start=\"2788\" data-end=\"2807\">Statick\u00fd COF (Us)<\/strong> = Sila na za\u010datie pohybu \/ Hmotnos\u0165 san\u00ed<\/p><\/li><li class=\"\" data-start=\"2853\" data-end=\"2915\"><p class=\"\" data-start=\"2855\" data-end=\"2915\"><strong data-start=\"2855\" data-end=\"2875\">Kinetick\u00fd COF (Uk)<\/strong> = priemern\u00e1 posuvn\u00e1 sila \/ hmotnos\u0165 san\u00ed<\/p><\/li><\/ul><p class=\"\" data-start=\"2917\" data-end=\"3149\">Ka\u017ed\u00fd v\u00fdsledok sa zvy\u010dajne spriemeruje na z\u00e1klade piatich platn\u00fdch p\u00e1rov vzoriek, aby sa dosiahla \u0161tatistick\u00e1 v\u00fdznamnos\u0165. Met\u00f3da zabezpe\u010duje <strong data-start=\"3031\" data-end=\"3065\">opakovate\u013enos\u0165 a sledovate\u013enos\u0165<\/strong>, zos\u00faladenie s priemyseln\u00fdmi normami pre <strong data-start=\"3104\" data-end=\"3125\">zabezpe\u010denie kvality<\/strong> pri v\u00fdrobe papiera.<\/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-f7a7ced e-flex e-con-boxed e-con e-parent\" data-id=\"f7a7ced\" 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-2507506 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"2507506\" 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\">Aplik\u00e1cie <br><small>ASTM D4917 Statick\u00e9 a kinetick\u00e9 sk\u00fa\u0161ky trenia papiera<\/small><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d337fc7 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"d337fc7\" 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=\"3229\" data-end=\"3390\">Str\u00e1nka <strong data-start=\"3233\" data-end=\"3260\">test tla\u010dov\u00e9ho papiera COF<\/strong> je v papierenskom a tla\u010diarenskom priemysle nevyhnutn\u00e9 vyhodnocova\u0165 <strong data-start=\"3321\" data-end=\"3367\">pod\u00e1vate\u013enos\u0165, stohovate\u013enos\u0165 a priechodnos\u0165<\/strong>. Aplik\u00e1cie zah\u0155\u0148aj\u00fa:<\/p><ul data-start=\"3392\" data-end=\"3620\"><li class=\"\" data-start=\"3392\" data-end=\"3459\"><p class=\"\" data-start=\"3394\" data-end=\"3459\"><strong data-start=\"3394\" data-end=\"3424\">Testovanie COF na nenatieranom papieri<\/strong> pre kancel\u00e1rsku a komer\u010dn\u00fa tla\u010d<\/p><\/li><li class=\"\" data-start=\"3460\" data-end=\"3541\"><p class=\"\" data-start=\"3462\" data-end=\"3541\">Testovanie trenia v <strong data-start=\"3482\" data-end=\"3498\">papiere s etiketami<\/strong>, obalov\u00e9 materi\u00e1ly a vlnit\u00e1 lepenka<\/p><\/li><li class=\"\" data-start=\"3542\" data-end=\"3620\"><p class=\"\" data-start=\"3544\" data-end=\"3620\">Hodnotenie kompatibility papiera v <strong data-start=\"3581\" data-end=\"3620\">digit\u00e1lne a ofsetov\u00e9 tla\u010diarensk\u00e9 stroje<\/strong><\/p><\/li><\/ul><p class=\"\" data-start=\"3622\" data-end=\"3772\">Spo\u013eahliv\u00e9 merania COF pom\u00e1haj\u00fa v\u00fdrobcom <strong data-start=\"3667\" data-end=\"3698\">optimalizova\u0165 povrchov\u00e9 \u00fapravy<\/strong>, zn\u00ed\u017ei\u0165 <strong data-start=\"3707\" data-end=\"3733\">po\u010det zastaven\u00ed stroja<\/strong>a zabezpe\u010di\u0165, aby <strong data-start=\"3746\" data-end=\"3771\">spokojnos\u0165 z\u00e1kazn\u00edkov<\/strong>.<\/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-2456f1d e-flex e-con-boxed e-con e-parent\" data-id=\"2456f1d\" 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-4be0d7a elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"4be0d7a\" 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\">Pokro\u010dil\u00e9 rie\u0161enia na testovanie trenia papiera<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0424cfa e-con-full e-grid e-con e-child\" data-id=\"0424cfa\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3a3fc5c e-con-full e-flex e-con e-child\" data-id=\"3a3fc5c\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e1f2e3 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"9e1f2e3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&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\t\t\t\t<a href=\"https:\/\/www.coefficientfriction.com\/sk\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-01.webp\" class=\"attachment-medium_large size-medium_large wp-image-96\" alt=\"Zariadenie na testovanie koeficientu trenia 01\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-01.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-01-300x300.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-01-150x150.webp 150w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/elementor\/thumbs\/coefficient-of-friction-testing-equipment-01-r3gmfg1nnljvgm1sgd9e374sfjg8cayrot70czv2xs.webp 400w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/elementor\/thumbs\/coefficient-of-friction-testing-equipment-01-r3gmfg1ovgcb2m7iva4k79z5gvnv026hkls6iecayw.webp 500w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/elementor\/thumbs\/coefficient-of-friction-testing-equipment-01-r3gmfg1nwdb5s7ojc5fmiewgn0ak2nlwv641l9yiy0.webp 420w\" 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\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a290580 e-con-full e-flex e-con e-child\" data-id=\"a290580\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-41e1fbd elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"41e1fbd\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&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=\"3779\" data-end=\"3850\"><strong data-start=\"3779\" data-end=\"3850\">Pokro\u010dil\u00e9 rie\u0161enia na testovanie trenia: COF-01 od Cell Instruments<\/strong><\/p><p class=\"\" data-start=\"3852\" data-end=\"4123\">Zjednodu\u0161enie normy ASTM <a href=\"https:\/\/www.astm.org\/d4917-97r07.html\" target=\"_blank\" rel=\"noopener nofollow\">D4917<\/a> dodr\u017eiavanie predpisov, <strong data-start=\"3887\" data-end=\"3907\">Cell Instruments<\/strong> pon\u00faka <a href=\"https:\/\/www.coefficientfriction.com\/sk\/\"><strong data-start=\"3919\" data-end=\"3960\">Tester koeficientu trenia COF-01<\/strong><\/a>skon\u0161truovan\u00e9 pre presnos\u0165 a jednoduch\u00e9 pou\u017e\u00edvanie. COF-01 podporuje oba <strong data-start=\"4029\" data-end=\"4063\">statick\u00e9 a kinetick\u00e9 testovanie COF<\/strong> v s\u00falade s normou ASTM D4917 a \u010fal\u0161\u00edmi pr\u00edslu\u0161n\u00fdmi normami.<\/p><p class=\"\" data-start=\"4125\" data-end=\"4162\"><strong data-start=\"4125\" data-end=\"4162\">Medzi hlavn\u00e9 v\u00fdhody COF-01 patria:<\/strong><\/p><ul data-start=\"4164\" data-end=\"4493\"><li class=\"\" data-start=\"4164\" data-end=\"4212\"><p class=\"\" data-start=\"4166\" data-end=\"4212\">Plne automatizovan\u00e1 detekcia pohybu a sily<\/p><\/li><li class=\"\" data-start=\"4213\" data-end=\"4271\"><p class=\"\" data-start=\"4215\" data-end=\"4271\">Vysoko presn\u00e1 sn\u00edma\u010d za\u0165a\u017eenia a digit\u00e1lny displej v re\u00e1lnom \u010dase<\/p><\/li><li class=\"\" data-start=\"4272\" data-end=\"4366\"><p class=\"\" data-start=\"4274\" data-end=\"4366\">Vhodn\u00e9 pre <strong data-start=\"4287\" data-end=\"4314\">test tla\u010dov\u00e9ho papiera COF<\/strong>, <strong data-start=\"4316\" data-end=\"4343\">test COF na nenatieranom papieri<\/strong>a in\u00e9 materi\u00e1ly<\/p><\/li><li class=\"\" data-start=\"4367\" data-end=\"4422\"><p class=\"\" data-start=\"4369\" data-end=\"4422\">Pou\u017e\u00edvate\u013esky pr\u00edvetiv\u00e9 rozhranie s podporou viacer\u00fdch jazykov<\/p><\/li><li class=\"\" data-start=\"4423\" data-end=\"4493\"><p class=\"\" data-start=\"4425\" data-end=\"4493\">Kompatibiln\u00e9 s <strong data-start=\"4441\" data-end=\"4483\">z\u00edskavanie \u00fadajov a tvorba spr\u00e1v<\/strong> syst\u00e9my<\/p><\/li><\/ul><p class=\"\" data-start=\"4495\" data-end=\"4660\">Pre pracovn\u00edkov kontroly kvality a laborat\u00f3rnych technikov COF-01 zabezpe\u010duje <strong data-start=\"4561\" data-end=\"4603\">r\u00fdchle, presn\u00e9 a opakovate\u013en\u00e9 testovanie<\/strong>a pom\u00e1ha v\u00fdrobcom papiera zachova\u0165 si s\u00falad s predpismi a konkurencieschopnos\u0165.<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d2c64c e-flex e-con-boxed e-con e-parent\" data-id=\"6d2c64c\" 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-c394047 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c394047\" 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\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b484e06 elementor-invisible elementor-widget elementor-widget-n-accordion\" data-id=\"b484e06\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;default_state&quot;:&quot;expanded&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Akorde\u00f3n. Odkazy otv\u00e1rajte kl\u00e1vesom Enter alebo Medzern\u00edk, zatv\u00e1rajte kl\u00e1vesom Escape a navigujte pomocou \u0161\u00edpok.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1890\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1890\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. Ak\u00fd je \u00fa\u010del normy ASTM D4917? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1890\" class=\"elementor-element elementor-element-4dda86b e-con-full e-flex e-con e-child\" data-id=\"4dda86b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b1ee56f elementor-widget elementor-widget-text-editor\" data-id=\"b1ee56f\" data-element_type=\"widget\" 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=\"5774\" data-end=\"6068\">Norma ASTM D4917 \u0161tandardizuje postup merania statick\u00fdch a kinetick\u00fdch koeficientov trenia papiera, najm\u00e4 nenatieran\u00e9ho tla\u010diarensk\u00e9ho a p\u00edsacieho papiera, s cie\u013eom zabezpe\u010di\u0165 konzistentn\u00fd v\u00fdkon v aplik\u00e1ci\u00e1ch, ako je tla\u010d a balenie.<\/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<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1891\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1891\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. Ako testovacia met\u00f3da simuluje re\u00e1lne spr\u00e1vanie papiera? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1891\" class=\"elementor-element elementor-element-4213cd7 e-con-full e-flex e-con e-child\" data-id=\"4213cd7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a5cb0ea elementor-widget elementor-widget-text-editor\" data-id=\"a5cb0ea\" data-element_type=\"widget\" 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=\"6070\" data-end=\"6333\">Met\u00f3da horizont\u00e1lnej roviny napodob\u0148uje pos\u00favanie papierov\u00fdch listov po\u010das pod\u00e1vania a stohovania na stroji, v\u010faka \u010domu je ve\u013emi vhodn\u00e1 na pos\u00fadenie trec\u00edch vlastnost\u00ed, ktor\u00e9 ovplyv\u0148uj\u00fa scen\u00e1re re\u00e1lneho pou\u017e\u00edvania.<\/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<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1892\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1892\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. M\u00f4\u017ee sa norma ASTM D4917 pou\u017ei\u0165 pre natieran\u00e9 papiere alebo \u0161peci\u00e1lne papiere? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1892\" class=\"elementor-element elementor-element-8cbaf70 e-con-full e-flex e-con e-child\" data-id=\"8cbaf70\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed707d2 elementor-widget elementor-widget-text-editor\" data-id=\"ed707d2\" data-element_type=\"widget\" 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=\"6335\" data-end=\"6581\">Hoci je norma ASTM D4917 navrhnut\u00e1 pre nenatieran\u00e9 papiere, m\u00f4\u017ee sa pou\u017ei\u0165 aj na in\u00e9 typy s t\u00fdm, \u017ee v\u00fdsledky sa m\u00f4\u017eu l\u00ed\u0161i\u0165 v presnosti v d\u00f4sledku rozdielov v povrchov\u00fdch vlastnostiach.<\/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<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1893\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1893\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. Ak\u00fd je rozdiel medzi statick\u00fdm a kinetick\u00fdm COF pri testovan\u00ed papiera? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1893\" class=\"elementor-element elementor-element-afe3920 e-flex e-con-boxed e-con e-child\" data-id=\"afe3920\" 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-932ab24 elementor-widget elementor-widget-text-editor\" data-id=\"932ab24\" data-element_type=\"widget\" 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=\"6583\" data-end=\"6846\">Statick\u00e1 COF meria odpor pri za\u010dat\u00ed pohybu, zatia\u013e \u010do kinetick\u00e1 COF meria odpor po\u010das pokra\u010duj\u00faceho pohybu. Obidva s\u00fa d\u00f4le\u017eit\u00e9 na pochopenie spr\u00e1vania sa pri manipul\u00e1cii s papierom.<\/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\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1894\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1894\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 5. Rozdiel medzi normami ASTM D4197 a ASTM D4198 <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1894\" class=\"elementor-element elementor-element-f438e49 e-flex e-con-boxed e-con e-child\" data-id=\"f438e49\" 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-ae2370c elementor-widget elementor-widget-text-editor\" data-id=\"ae2370c\" data-element_type=\"widget\" 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=\"4711\" data-end=\"5075\">Na rozdiel od alternat\u00edvnych met\u00f3d, ako napr. <strong data-start=\"4743\" data-end=\"4781\">ASTM D4918 (met\u00f3da naklonenej roviny)<\/strong>, ASTM D4917 stanovuje <strong data-start=\"4803\" data-end=\"4832\">kvantitat\u00edvne merania<\/strong> statick\u00e9ho aj kinetick\u00e9ho trenia, ktor\u00e9 s\u00fa nevyhnutn\u00e9 na pochopenie \u00fapln\u00e9ho klzn\u00e9ho spr\u00e1vania papiera. T\u00e1to met\u00f3da je obzvl\u00e1\u0161\u0165 cenn\u00e1 pre <strong data-start=\"4986\" data-end=\"5026\">nenatieran\u00e9 papiere na p\u00edsanie a tla\u010d<\/strong>, kde <strong data-start=\"5034\" data-end=\"5062\">rovnomern\u00fd v\u00fdkon krmiva<\/strong> je rozhoduj\u00faca.<\/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\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Sk\u00fa\u0161obn\u00e1 met\u00f3da na stanovenie koeficientu statick\u00e9ho a kinetick\u00e9ho trenia \u2013 met\u00f3da horizont\u00e1lnej roviny. Porozumenie trenn\u00e9mu spr\u00e1vaniu papiera je nevyhnutn\u00e9 na zabezpe\u010denie optim\u00e1lnej v\u00fdkonnosti pri tla\u010di, spracovan\u00ed a balen\u00ed. Norma ASTM D4917 stanovuje \u0161tandardizovan\u00fd postup merania koeficientu statick\u00e9ho a kinetick\u00e9ho trenia nepokryt\u00e9ho tla\u010dov\u00e9ho a p\u00edsacieho papiera, \u010d\u00edm sl\u00fa\u017ei ako vod\u00edtko pre zabezpe\u010denie kvality [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-370","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/sk\/wp-json\/wp\/v2\/pages\/370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/sk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/sk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/sk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/sk\/wp-json\/wp\/v2\/comments?post=370"}],"version-history":[{"count":6,"href":"https:\/\/www.coefficientfriction.com\/sk\/wp-json\/wp\/v2\/pages\/370\/revisions"}],"predecessor-version":[{"id":713,"href":"https:\/\/www.coefficientfriction.com\/sk\/wp-json\/wp\/v2\/pages\/370\/revisions\/713"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/sk\/wp-json\/wp\/v2\/media?parent=370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}