{"id":9828,"date":"2026-02-24T15:11:44","date_gmt":"2026-02-24T07:11:44","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d1894-2\/"},"modified":"2026-04-16T09:53:04","modified_gmt":"2026-04-16T01:53:04","slug":"astm-d1894","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/astm-d1894\/","title":{"rendered":"ASTM D1894"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Porozum\u011bn\u00ed norm\u011b ASTM D1894 a jej\u00edmu v\u00fdznamu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Porozum\u011bn\u00ed <a href=\"https:\/\/www.packqc.com\/cs\/standard\/astm-d1894\/\"><strong data-start=\"964\" data-end=\"978\">ASTM D1894<\/strong><\/a> je z\u00e1sadn\u00ed pro pr\u016fmyslov\u00e1 odv\u011btv\u00ed, jako jsou <strong data-start=\"1015\" data-end=\"1102\">agentury pro kontrolu obal\u016f, potravin, zdravotnick\u00fdch a farmaceutick\u00fdch v\u00fdrobk\u016f, textilu a kvality.<\/strong>, kter\u00e9 se p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed kvality spol\u00e9haj\u00ed na konzistentn\u00ed chov\u00e1n\u00ed materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong data-start=\"1241\" data-end=\"1263\">Testov\u00e1n\u00ed podle normy ASTM D1894<\/strong> popisuje jasn\u00fd postup pro stanoven\u00ed t\u0159ec\u00edch charakteristik mezi dv\u011bma povrchy za kontrolovan\u00fdch podm\u00ednek. Tato zkou\u0161ka je d\u016fle\u017eit\u00e1 pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1412\" data-end=\"1457\">Hodnocen\u00ed vlastnost\u00ed obalov\u00fdch materi\u00e1l\u016f<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1462\" data-end=\"1508\">Zaji\u0161t\u011bn\u00ed hladk\u00e9ho chodu v\u00fdrobn\u00ed linky<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1513\" data-end=\"1558\">Prevence po\u0161kozen\u00ed v\u00fdrobku b\u011bhem p\u0159epravy<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1563\" data-end=\"1621\">Spln\u011bn\u00ed po\u017eadavk\u016f z\u00e1kazn\u00edk\u016f na konzistenci materi\u00e1lu<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Podle normy se <strong data-start=\"1652\" data-end=\"1664\">COF test<\/strong> spo\u010d\u00edv\u00e1 v tah\u00e1n\u00ed san\u00ed pota\u017een\u00fdch zku\u0161ebn\u00edm materi\u00e1lem nebo z n\u011bj vyroben\u00fdch po rovn\u00e9 plo\u0161e stanovenou rychlost\u00ed a tlakem. Vznikl\u00fd odpor pom\u00e1h\u00e1 ur\u010dit <strong data-start=\"1836\" data-end=\"1900\">statick\u00e9 (po\u010d\u00e1te\u010dn\u00ed) a kinetick\u00e9 (klouzav\u00e9) koeficienty t\u0159en\u00ed.<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Parametry a podm\u00ednky koeficientu t\u0159en\u00ed ASTM<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"2818\" data-end=\"2850\">Sou\u010dinitel t\u0159en\u00ed podle normy ASTM<\/strong> Zkou\u0161ka specifikovan\u00e1 v norm\u011b D1894 se prov\u00e1d\u00ed za n\u00e1sleduj\u00edc\u00edch podm\u00ednek:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2923\" data-end=\"2938\">Testovac\u00ed rychlost:<\/strong> 150 \u00b1 30 mm\/min<\/li>\n\n\n\n<li><strong data-start=\"2959\" data-end=\"2975\">Hmotnost san\u00ed:<\/strong> 200 \u00b1 5 g<\/li>\n\n\n\n<li><strong data-start=\"2990\" data-end=\"3019\">Teplota a vlhkost:<\/strong> Standardizovan\u00e9 podm\u00ednky prost\u0159ed\u00ed pro zaji\u0161t\u011bn\u00ed konzistence<\/li>\n\n\n\n<li><strong data-start=\"3084\" data-end=\"3108\">Rozm\u011bry vzorku:<\/strong> Obvykle 63,5 mm x 127 mm, s rovn\u00fdm, jednolit\u00fdm povrchem.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ob\u011b <strong data-start=\"3169\" data-end=\"3183\">statick\u00e9 COF<\/strong> (m\u011b\u0159eno jako s\u00edla pro zah\u00e1jen\u00ed pohybu) a <strong data-start=\"3228\" data-end=\"3243\">kinetick\u00e9 COF<\/strong> (m\u011b\u0159eno jako s\u00edla k udr\u017een\u00ed pohybu). T\u0159ec\u00ed s\u00edla se m\u011b\u0159\u00ed v newtonech a vyd\u011bl\u00ed se hmotnost\u00ed san\u00ed, aby se ur\u010dily hodnoty koeficientu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zku\u0161ebn\u00ed metoda COF krok za krokem podle normy ASTM D1894<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"3484\" data-end=\"3503\">Zku\u0161ebn\u00ed metoda COF<\/strong> zahrnuje n\u00e1sleduj\u00edc\u00ed kroky:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"3538\" data-end=\"3565\">Stav vzork\u016f<\/strong> ve standardizovan\u00e9 atmosf\u00e9\u0159e po dobu nejm\u00e9n\u011b 40 hodin.<\/li>\n\n\n\n<li><strong data-start=\"3623\" data-end=\"3641\">Um\u00edst\u011bte s\u00e1\u0148ky<\/strong> (sm\u011brem dol\u016f ke zku\u0161ebn\u00edmu povrchu) na podkladov\u00e9m materi\u00e1lu.<\/li>\n\n\n\n<li><strong data-start=\"3705\" data-end=\"3725\">P\u0159ipojen\u00ed san\u00ed<\/strong> ke sn\u00edma\u010di s\u00edly pomoc\u00ed prov\u00e1zku nebo h\u00e1\u010dku.<\/li>\n\n\n\n<li><strong data-start=\"3773\" data-end=\"3792\">Zah\u00e1jen\u00ed pohybu<\/strong> konstantn\u00ed rychlost\u00ed a zaznamen\u00e1vejte hodnoty s\u00edly.<\/li>\n\n\n\n<li><strong data-start=\"3843\" data-end=\"3871\">Ur\u010dete statickou hodnotu COF<\/strong> od maxim\u00e1ln\u00ed s\u00edly p\u0159ed zah\u00e1jen\u00edm pohybu.<\/li>\n\n\n\n<li><strong data-start=\"3919\" data-end=\"3948\">Ur\u010dete kinetickou hodnotu COF<\/strong> z pr\u016fm\u011brn\u00e9 s\u00edly p\u0159i ust\u00e1len\u00e9m pohybu.<\/li>\n\n\n\n<li><strong data-start=\"3999\" data-end=\"4021\">Hl\u00e1\u0161en\u00ed v\u00fdsledk\u016f<\/strong> v\u010detn\u011b typu materi\u00e1lu, podm\u00ednek prost\u0159ed\u00ed a parametr\u016f zkou\u0161ky.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vn\u00e1 kalibrace, rovn\u00e9 um\u00edst\u011bn\u00ed a konstantn\u00ed rychlost jsou rozhoduj\u00edc\u00ed, aby se zabr\u00e1nilo odchylk\u00e1m.<\/p>\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=\"Jak\u00e1 je zku\u0161ebn\u00ed metoda pro stanoven\u00ed sou\u010dinitele t\u0159en\u00ed?\" 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\">V\u00fdb\u011br spr\u00e1vn\u00e9ho sou\u010dinitele t\u0159en\u00ed<br>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aby byly spln\u011bny p\u0159esn\u00e9 po\u017eadavky normy ASTM D1894, je t\u0159eba pou\u017e\u00edt specializovan\u00fd p\u0159\u00edstroj. <strong data-start=\"2042\" data-end=\"2077\">tester sou\u010dinitele t\u0159en\u00ed<\/strong> je nezbytn\u00e9. Spolehliv\u00fd tester zaji\u0161\u0165uje opakovatelnost, citlivost a shodu s normou. V tomto bod\u011b, <strong data-start=\"2195\" data-end=\"2254\">Cell Instruments\u2019 COF-01 Tester sou\u010dinitele t\u0159en\u00ed<\/strong> se jev\u00ed jako ide\u00e1ln\u00ed \u0159e\u0161en\u00ed. Je navr\u017een pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2312\" data-end=\"2360\">P\u0159esn\u00e9 statick\u00e9 a kinetick\u00e9 m\u011b\u0159en\u00ed COF<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2365\" data-end=\"2428\">Automatick\u00e1 kalibrace s\u00edly a vysokorychlostn\u00ed sb\u011br dat<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2433\" data-end=\"2499\">Soulad s <a href=\"https:\/\/www.astm.org\/d1894-24.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1894<\/a>, normy ISO 8295 a TAPPI T816.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tento p\u0159\u00edstroj je vhodn\u00fd pro <strong data-start=\"2533\" data-end=\"2595\">plastov\u00e9 f\u00f3lie, pap\u00edr, f\u00f3lie, textilie, lamin\u00e1ty a dal\u0161\u00ed.<\/strong>. Je \u0161iroce roz\u0161\u00ed\u0159en\u00fd <strong data-start=\"2621\" data-end=\"2699\">Laborato\u0159e kontroly kvality, v\u00fdrobci obal\u016f, zpracovatel\u00e9 a v\u00fdzkumn\u00e1 st\u0159ediska.<\/strong> zlep\u0161it konzistenci a efektivitu proces\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kontaktujte n\u00e1s Z\u00edskejte \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed podle normy ASTM D1894 <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0165 u\u017e jste v <strong data-start=\"5354\" data-end=\"5417\">v\u00fdroba plast\u016f, pap\u00edru, obal\u016f nebo zdravotnick\u00fdch prost\u0159edk\u016f.<\/strong>, porozum\u011bn\u00ed a uplat\u0148ov\u00e1n\u00ed <strong data-start=\"5446\" data-end=\"5460\">ASTM D1894<\/strong> v\u00e1m d\u00e1v\u00e1 konkuren\u010dn\u00ed v\u00fdhodu. Se spr\u00e1vn\u00fdm <strong data-start=\"5506\" data-end=\"5540\">tester sou\u010dinitele t\u0159en\u00ed<\/strong> jako je <strong>COF-01<\/strong> od spole\u010dnosti Cell Instruments bude v\u00e1\u0161 provoz konzistentn\u011bj\u0161\u00ed, efektivn\u011bj\u0161\u00ed a v souladu s p\u0159edpisy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kontakt <strong>Bun\u011b\u010dn\u00e9 n\u00e1stroje<\/strong> a dozv\u00edte se, jak mohou na\u0161e \u0159e\u0161en\u00ed zlep\u0161it va\u0161e mo\u017enosti testov\u00e1n\u00ed a kvalitu v\u00fdrobk\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">1. Co m\u011b\u0159\u00ed norma ASTM D1894?<\/a><br>M\u011b\u0159\u00ed statick\u00e9 a kinetick\u00e9 koeficienty t\u0159en\u00ed mezi dv\u011bma povrchy, obvykle p\u0159i testov\u00e1n\u00ed obal\u016f a materi\u00e1l\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">2. Pro\u010d je testov\u00e1n\u00ed COF p\u0159i balen\u00ed d\u016fle\u017eit\u00e9?<\/a><br>Zaji\u0161\u0165uje konzistentn\u00ed chov\u00e1n\u00ed obalov\u00fdch materi\u00e1l\u016f p\u0159i manipulaci, p\u0159eprav\u011b a automatizovan\u00e9 v\u00fdrob\u011b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">3. Jak\u00e9 materi\u00e1ly se testuj\u00ed podle normy ASTM D1894?<\/a><br>Mezi b\u011b\u017en\u00e9 materi\u00e1ly pat\u0159\u00ed plastov\u00e9 f\u00f3lie, potahovan\u00e9 pap\u00edry, lamin\u00e1ty, f\u00f3lie a textilie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">4. Jak se li\u0161\u00ed statick\u00e1 COF od kinetick\u00e9 COF?<\/a><br>Statick\u00e1 COF je s\u00edla pot\u0159ebn\u00e1 k zah\u00e1jen\u00ed pohybu, zat\u00edmco kinetick\u00e1 COF je s\u00edla pot\u0159ebn\u00e1 k udr\u017een\u00ed pohybu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Porozum\u011bn\u00ed norm\u011b ASTM D1894 a jej\u00edmu v\u00fdznamu Porozum\u011bn\u00ed norm\u011b ASTM D1894 je z\u00e1sadn\u00ed pro pr\u016fmyslov\u00e1 odv\u011btv\u00ed, jako je obalov\u00fd, potravin\u00e1\u0159sk\u00fd, zdravotnick\u00fd, farmaceutick\u00fd, textiln\u00ed pr\u016fmysl a agentury pro kontrolu kvality, kter\u00e9 se p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed kvality spol\u00e9haj\u00ed na konzistentn\u00ed chov\u00e1n\u00ed materi\u00e1l\u016f. Testov\u00e1n\u00ed podle normy ASTM D1894 popisuje jasn\u00fd postup pro stanoven\u00ed t\u0159ec\u00edch vlastnost\u00ed mezi dv\u011bma povrchy za kontrolovan\u00fdch podm\u00ednek. Tato zkou\u0161ka [...]<\/p>","protected":false},"featured_media":5423,"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":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"standard-category":[611],"class_list":["post-9828","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/9828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media\/5423"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9828"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=9828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}