{"id":9862,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/iso-7854\/"},"modified":"2026-04-16T09:54:22","modified_gmt":"2026-04-16T01:54:22","slug":"iso-7854","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/iso-7854\/","title":{"rendered":"ISO 7854"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Pochopen\u00ed normy ISO 7854 a jej\u00edho v\u00fdznamu<\/h2>\n\n\n\n<p>Norma obsahuje t\u0159i r\u016fzn\u00e9 zku\u0161ebn\u00ed metody, p\u0159i\u010dem\u017e <strong data-start=\"958\" data-end=\"996\">Metoda C - metoda Crumple\/Flex<\/strong> - je jedn\u00edm z nejkomplexn\u011bj\u0161\u00edch p\u0159\u00edstup\u016f. Simuluje re\u00e1ln\u00e9 podm\u00ednky ohybu t\u00edm, \u017ee potahovan\u00e9 tkaniny vystavuje nep\u0159etr\u017eit\u00e9mu kroucen\u00ed a stla\u010dov\u00e1n\u00ed, co\u017e je nezbytn\u00e9 pro odv\u011btv\u00ed, kde je b\u011b\u017en\u00e9 mechanick\u00e9 nam\u00e1h\u00e1n\u00ed a opakovan\u00fd pohyb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vysv\u011btlen\u00ed metody C a testeru pru\u017enosti p\u0159i deformaci (Crumple Flex Tester)<\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.packqc.com\/cs\/product\/gft-gelbo-flex-tester\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"2006\" data-end=\"2029\">tester deforma\u010dn\u00edho ohybu<\/strong><\/a> je kl\u00ed\u010dov\u00fdm p\u0159\u00edstrojem pro <strong data-start=\"2055\" data-end=\"2076\">ISO 7854 Metoda C<\/strong>. P\u0159i t\u00e9to metod\u011b se <strong data-start=\"2096\" data-end=\"2132\">vzorek obd\u00e9ln\u00edkov\u00e9 potahovan\u00e9 tkaniny<\/strong> je se\u0161it do tvaru v\u00e1lce a upevn\u011bn mezi dva rotuj\u00edc\u00ed a vratn\u00e9 kotou\u010de.<\/p>\n\n\n\n<p>B\u011bhem <strong data-start=\"2238\" data-end=\"2256\">metoda poma\u010dk\u00e1n\u00ed<\/strong> test:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jeden disk <strong data-start=\"2277\" data-end=\"2311\">kmit\u00e1 v \u00fahlu 90\u00b0<\/strong>, a to krou\u017eiv\u00fdm pohybem.<\/li>\n\n\n\n<li>Druh\u00fd disk <strong data-start=\"2360\" data-end=\"2377\">se pohybuje osov\u011b<\/strong>, \u010d\u00edm\u017e se v\u00e1lec pod\u00e9ln\u011b stla\u010d\u00ed.<\/li>\n\n\n\n<li>Tyto kombinovan\u00e9 akce simuluj\u00ed opakovan\u00e9 <strong data-start=\"2461\" data-end=\"2499\">oh\u00fdb\u00e1n\u00ed, kroucen\u00ed a stla\u010dov\u00e1n\u00ed<\/strong>, podobn\u00e9 nam\u00e1h\u00e1n\u00ed, kter\u00e9 se vyskytuje p\u0159i skute\u010dn\u00e9m pou\u017e\u00edv\u00e1n\u00ed v\u00fdrobku.<\/li>\n<\/ul>\n\n\n\n<p>Test pokra\u010duje po ur\u010dit\u00fd po\u010det cykl\u016f nebo dokud nen\u00ed viditeln\u00fd. <strong data-start=\"2628\" data-end=\"2678\">praskliny, poruchy povlaku nebo selh\u00e1n\u00ed materi\u00e1lu.<\/strong> objevit. V\u00fdsledky poskytuj\u00ed kvantifikovatelnou m\u00edru <strong data-start=\"2733\" data-end=\"2752\">odolnost proti ohybu<\/strong> a <strong data-start=\"2757\" data-end=\"2780\">trvanlivost materi\u00e1lu<\/strong>.<\/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=\"Gelbo flex duratility tester from Cell Instruments\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/HDpqg4jkaeA?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\">Zkou\u0161ka pru\u017enosti potahovan\u00e9 tkaniny a jej\u00ed c\u00edle<\/h2>\n\n\n\n<p>The <strong data-start=\"1311\" data-end=\"1338\">zkou\u0161ka ohybu potahovan\u00e9 tkaniny<\/strong> m\u011b\u0159\u00ed, jak dob\u0159e odol\u00e1v\u00e1 pota\u017een\u00e1 textilie deformaci bez po\u0161kozen\u00ed povrchu nebo ztr\u00e1ty funk\u010dnosti. Mezi hlavn\u00ed c\u00edle pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ur\u010den\u00ed <strong data-start=\"1496\" data-end=\"1544\">odolnost proti prask\u00e1n\u00ed nebo odd\u011blov\u00e1n\u00ed povlaku<\/strong> p\u0159i opakovan\u00e9m oh\u00fdb\u00e1n\u00ed.<\/li>\n\n\n\n<li>Srovn\u00e1n\u00ed vlastnost\u00ed materi\u00e1lu v simulovan\u00fdch podm\u00ednk\u00e1ch pou\u017eit\u00ed.<\/li>\n\n\n\n<li>Zaji\u0161t\u011bn\u00ed spolehlivosti v\u00fdrobk\u016f v n\u00e1ro\u010dn\u00fdch aplikac\u00edch, jako jsou interi\u00e9ry automobil\u016f, l\u00e9ka\u0159sk\u00e9 obaly a outdoorov\u00e9 vybaven\u00ed.<\/li>\n<\/ul>\n\n\n\n<p>Sledov\u00e1n\u00edm <strong data-start=\"1781\" data-end=\"1793\">ISO 7854<\/strong>, mohou v\u00fdrobci zajistit konzistentn\u00ed kvalitu, zlep\u0161it design v\u00fdrobk\u016f a ov\u011b\u0159it materi\u00e1ly dodavatel\u016f podle uzn\u00e1van\u00fdch mezin\u00e1rodn\u00edch m\u011b\u0159\u00edtek.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hodnocen\u00ed v\u00fdsledk\u016f: Ukazatele trvanlivosti flexibility<\/h2>\n\n\n\n<p>Po testov\u00e1n\u00ed se vzorky vizu\u00e1ln\u011b zkontroluj\u00ed, zda:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2900\" data-end=\"2942\">Povrchov\u00e9 trhliny nebo delaminace povlaku<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2947\" data-end=\"2972\">Zm\u011bna barvy nebo lesku<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2977\" data-end=\"3014\">Ztr\u00e1ta p\u0159ilnavosti nebo vodot\u011bsnosti<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Vy\u0161\u0161\u00ed po\u010det cykl\u016f p\u0159ed po\u0161kozen\u00edm sv\u011bd\u010d\u00ed o lep\u0161\u00edm <strong data-start=\"3075\" data-end=\"3094\">odolnost proti ohybu<\/strong>. Tyto v\u00fdsledky jsou vod\u00edtkem pro t\u00fdmy kontroly kvality a materi\u00e1lov\u00e9 in\u017een\u00fdry p\u0159i optimalizaci receptur, n\u00e1t\u011br\u016f a kombinac\u00ed substr\u00e1t\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aplikace zkou\u0161ky odolnosti proti ohybu podle normy ISO 7854<\/h2>\n\n\n\n<p>The <strong data-start=\"3295\" data-end=\"3319\">zkou\u0161ka odolnosti proti ohybu<\/strong> hraje d\u016fle\u017eitou roli v odv\u011btv\u00edch, jako jsou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3372\" data-end=\"3404\">Textilie a povrstven\u00e9 tkaniny:<\/strong> pro stany, plachty a ochrann\u00e9 od\u011bvy.<\/li>\n\n\n\n<li><strong data-start=\"3457\" data-end=\"3491\">Zdravotnick\u00e9 prost\u0159edky a obaly:<\/strong> zaji\u0161t\u011bn\u00ed spolehlivosti materi\u00e1lu ve steriliza\u010dn\u00edch obalech nebo man\u017eet\u00e1ch pro m\u011b\u0159en\u00ed krevn\u00edho tlaku.<\/li>\n\n\n\n<li><strong data-start=\"3574\" data-end=\"3603\">Automobilov\u00fd a leteck\u00fd pr\u016fmysl:<\/strong> hodnocen\u00ed pru\u017en\u00fdch vnit\u0159n\u00edch materi\u00e1l\u016f a t\u011bsn\u011bn\u00ed.<\/li>\n\n\n\n<li><strong data-start=\"3658\" data-end=\"3677\">Spot\u0159ebn\u00ed zbo\u017e\u00ed:<\/strong> jako jsou pl\u00e1\u0161t\u011bnky, obuv a \u010daloun\u011bn\u00ed.<\/li>\n<\/ul>\n\n\n\n<p>P\u0159ijet\u00edm <strong data-start=\"3738\" data-end=\"3768\">Testov\u00e1n\u00ed v souladu s normou ISO 7854<\/strong>, spole\u010dnosti zaji\u0161\u0165uj\u00ed, aby jejich potahovan\u00e9 textilie dok\u00e1zaly zachovat funk\u010dnost a estetiku p\u0159i opakovan\u00e9m nam\u00e1h\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdb\u011br spr\u00e1vn\u00e9ho testeru deforma\u010dn\u00ed pru\u017enosti<\/h2>\n\n\n\n<p>Pro laborato\u0159e a v\u00fdrobce, kte\u0159\u00ed pot\u0159ebuj\u00ed spolehliv\u00e9 <strong data-start=\"3996\" data-end=\"4025\">Zkou\u0161en\u00ed metodou C podle normy ISO 7854<\/strong>, <strong data-start=\"4027\" data-end=\"4082\">Cell Instruments nab\u00edz\u00ed GFT Crumple Flex Tester<\/strong>.<\/p>\n\n\n\n<p>The <strong data-start=\"4091\" data-end=\"4098\">GFT<\/strong> je ur\u010den pro <strong data-start=\"4115\" data-end=\"4166\">p\u0159esn\u00e9 a opakovateln\u00e9 vyhodnocen\u00ed odolnosti proti ohybu<\/strong> potahovan\u00fdch tkanin, lamin\u00e1t\u016f a podobn\u00fdch pru\u017en\u00fdch materi\u00e1l\u016f. M\u00e1 tyto vlastnosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159esn\u011b \u0159\u00edzen\u00e9 oscila\u010dn\u00ed a kompresn\u00ed mechanismy.<\/li>\n\n\n\n<li>Nastaviteln\u00e1 rychlost a zdvih pro standardn\u00ed nebo vlastn\u00ed testovac\u00ed podm\u00ednky.<\/li>\n\n\n\n<li>Automatick\u00e9 po\u010d\u00edt\u00e1n\u00ed cykl\u016f a bezpe\u010dnostn\u00ed funkce.<\/li>\n\n\n\n<li>Kompatibilita s <strong data-start=\"4463\" data-end=\"4475\">ISO 7854<\/strong>, <strong data-start=\"4477\" data-end=\"4491\">ASTM F392<\/strong>, a souvisej\u00edc\u00ed normy odolnosti proti ohybu.<\/li>\n<\/ul>\n\n\n\n<p>S <strong data-start=\"4540\" data-end=\"4564\">Cell Instruments GFT<\/strong>, mohou u\u017eivatel\u00e9 zajistit p\u0159esn\u00e9 a efektivn\u00ed <strong data-start=\"4606\" data-end=\"4630\">deforma\u010dn\u00ed zkou\u0161ka ohybem<\/strong> p\u0159i zachov\u00e1n\u00ed souladu s glob\u00e1ln\u00edmi normami pro testov\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kontaktujte n\u00e1s Z\u00edskejte \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed ISO 7854 <\/h2>\n\n\n\n<p>V\u00fdb\u011br spolehliv\u00e9ho n\u00e1stroje, jako je <strong data-start=\"5100\" data-end=\"5125\">Cell Instruments\u2019 GFT<\/strong> nejen\u017ee zvy\u0161uje \u00fa\u010dinnost testov\u00e1n\u00ed, ale tak\u00e9 zvy\u0161uje d\u016fv\u011bryhodnost p\u0159i hodnocen\u00ed materi\u00e1l\u016f. Pro odv\u011btv\u00ed, kde z\u00e1le\u017e\u00ed na spolehlivosti potahovan\u00fdch l\u00e1tek, <strong data-start=\"5273\" data-end=\"5309\"><a href=\"https:\/\/www.iso.org\/standard\/14777.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 7854<\/a> testov\u00e1n\u00ed odolnosti proti ohybu<\/strong> je kl\u00ed\u010dov\u00fdm krokem k zaji\u0161t\u011bn\u00ed st\u00e1l\u00e9 kvality a spokojenosti z\u00e1kazn\u00edk\u016f.<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding ISO 7854 and Its Importance The standard includes three different test methods, with Method C \u2013 the Crumple\/Flex method \u2013 being one of the most comprehensive approaches. It simulates real-world flexing conditions by subjecting coated fabrics to continuous twisting and compression, making it essential for industries where mechanical stress and repeated motion are common. [&hellip;]<\/p>","protected":false},"featured_media":8052,"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":[612],"class_list":["post-9862","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-iso"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/9862","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\/8052"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9862"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=9862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}