{"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\/lt\/standard\/iso-7854\/","title":{"rendered":"ISO 7854"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ISO 7854 supratimas ir jo svarba<\/h2>\n\n\n\n<p>Standartas apima tris skirtingus bandym\u0173 metodus. <strong data-start=\"958\" data-end=\"996\">C metodas - gniu\u017edymo ir lankstymo metodas<\/strong> - yra vienas i\u0161 i\u0161samiausi\u0173 metod\u0173. Jis imituoja realias lenkimo s\u0105lygas, kai dengtos med\u017eiagos nuolat sukamos ir gniu\u017edomos, tod\u0117l yra labai svarbus pramon\u0117s \u0161akoms, kuriose da\u017enai patiriama mechanin\u0117 \u012ftampa ir pasikartojantys judesiai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Lankstaus gniu\u017edymo testo ir C metodo paai\u0161kinimas<\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.packqc.com\/lt\/product\/gft-gelbo-flex-tester\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"2006\" data-end=\"2029\">gniu\u017edymo lankstumo testeris<\/strong><\/a> yra pagrindinis aparatas, skirtas <strong data-start=\"2055\" data-end=\"2076\">ISO 7854 C metodas<\/strong>. Taikant \u0161\u012f metod\u0105, a <strong data-start=\"2096\" data-end=\"2132\">sta\u010diakampio formos dengto audinio pavyzdys<\/strong> susiuvamas \u012f cilindro form\u0105 ir sumontuojamas tarp dviej\u0173 besisukan\u010di\u0173 ir besisukan\u010di\u0173 disk\u0173.<\/p>\n\n\n\n<p>Per <strong data-start=\"2238\" data-end=\"2256\">gniu\u017edymo metodas<\/strong> testas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vienas diskas <strong data-start=\"2277\" data-end=\"2311\">svyruoja 90\u00b0 kampu<\/strong>, sukamaisiais judesiais.<\/li>\n\n\n\n<li>Kitas diskas <strong data-start=\"2360\" data-end=\"2377\">juda a\u0161ine kryptimi<\/strong>, suspaud\u017eiant cilindr\u0105 i\u0161ilgai.<\/li>\n\n\n\n<li>\u0160ie bendri veiksmai imituoja pasikartojan\u010dius <strong data-start=\"2461\" data-end=\"2499\">lenkimas, sukimas ir suspaudimas.<\/strong>, pana\u0161\u016bs \u012f \u012ftempius, kurie patiriami fakti\u0161kai naudojant gamin\u012f.<\/li>\n<\/ul>\n\n\n\n<p>Bandymas t\u0119siamas nustatyt\u0105 cikl\u0173 skai\u010di\u0173 arba tol, kol matomas <strong data-start=\"2628\" data-end=\"2678\">\u012ftr\u016bkimai, dangos suirimas arba med\u017eiagos gedimas.<\/strong> pasirodyti. Rezultatai yra kiekybinis matas <strong data-start=\"2733\" data-end=\"2752\">atsparumas lenkimui<\/strong> ir <strong data-start=\"2757\" data-end=\"2780\">med\u017eiagos ilgaam\u017ei\u0161kumas<\/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=\"&quot;Gelbo flex&quot; patvarumo testeris i\u0161 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\">Dengto audinio lankstumo bandymas ir jo tikslai<\/h2>\n\n\n\n<p>The <strong data-start=\"1311\" data-end=\"1338\">dengto audinio lankstumo bandymas<\/strong> parodo, kaip gerai padengta tekstil\u0117 atlaiko deformacijas, nepa\u017eeisdama pavir\u0161iaus ir neprarasdama funkcionalumo. Pagrindiniai tikslai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nustatymas <strong data-start=\"1496\" data-end=\"1544\">atsparumas \u012ftr\u016bkimams ar dangos atsiskyrimui<\/strong> pakartotinio lenkimo metu.<\/li>\n\n\n\n<li>Med\u017eiagos eksploatacini\u0173 savybi\u0173 palyginimas imituojamomis naudojimo s\u0105lygomis.<\/li>\n\n\n\n<li>U\u017etikrinamas gamini\u0173 patikimumas tokiose reikliose srityse kaip automobili\u0173 interjeras, medicinin\u0117s pakuot\u0117s ir lauko \u012franga.<\/li>\n<\/ul>\n\n\n\n<p>Sekdami <strong data-start=\"1781\" data-end=\"1793\">ISO 7854<\/strong>, gamintojai gali u\u017etikrinti nuosekli\u0105 kokyb\u0119, tobulinti gamini\u0173 dizain\u0105 ir patvirtinti tiek\u0117j\u0173 med\u017eiagas pagal pripa\u017eintus tarptautinius etalonus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rezultat\u0173 vertinimas: Lankstumo ilgaam\u017ei\u0161kumo rodikliai<\/h2>\n\n\n\n<p>Atlikus bandym\u0105, m\u0117giniai vizualiai patikrinami:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2900\" data-end=\"2942\">Pavir\u0161iaus \u012ftr\u016bkimai arba dangos atsisluoksniavimas<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2947\" data-end=\"2972\">Spalvos arba blizgesio pokytis<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2977\" data-end=\"3014\">Sukibimo arba hidroizoliacijos praradimas<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Didesnis cikl\u0173 skai\u010dius prie\u0161 pa\u017eeidim\u0105 rodo geresn\u012f <strong data-start=\"3075\" data-end=\"3094\">lankstumo patvarumas<\/strong>. \u0160ie rezultatai padeda kokyb\u0117s kontrol\u0117s komandoms ir med\u017eiag\u0173 in\u017einieriams optimizuoti preparatus, dangas ir substrat\u0173 derinius.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ISO 7854 atsparumo lenkimui bandymo taikymas<\/h2>\n\n\n\n<p>The <strong data-start=\"3295\" data-end=\"3319\">atsparumo lenkimui bandymas<\/strong> atlieka svarb\u0173 vaidmen\u012f tokiose pramon\u0117s \u0161akose kaip:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3372\" data-end=\"3404\">Tekstil\u0117 ir dengti audiniai:<\/strong> palapin\u0117ms, tentams ir apsauginiams drabu\u017eiams.<\/li>\n\n\n\n<li><strong data-start=\"3457\" data-end=\"3491\">Medicinos prietaisai ir pakuot\u0117s:<\/strong> u\u017etikrinant med\u017eiagos patikimum\u0105 sterilizavimo \u012fvyniojimuose arba kraujosp\u016bd\u017eio man\u017eet\u0117se.<\/li>\n\n\n\n<li><strong data-start=\"3574\" data-end=\"3603\">Automobili\u0173 ir kosmoso pramon\u0117:<\/strong> \u012fvertinti lanks\u010dias vidaus med\u017eiagas ir sandariklius.<\/li>\n\n\n\n<li><strong data-start=\"3658\" data-end=\"3677\">Vartojimo prek\u0117s:<\/strong> tokie kaip lietpal\u010diai, avalyn\u0117 ir apmu\u0161alai.<\/li>\n<\/ul>\n\n\n\n<p>Priimdami <strong data-start=\"3738\" data-end=\"3768\">ISO 7854 reikalavimus atitinkantys bandymai<\/strong>, \u012fmon\u0117s u\u017etikrina, kad j\u0173 dengti audiniai gal\u0117t\u0173 i\u0161laikyti funkcionalum\u0105 ir estetik\u0105 esant daugkartinei apkrovai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tinkamo \"Crumple Flex\" testerio pasirinkimas<\/h2>\n\n\n\n<p>Laboratorijoms ir gamintojams, kuriems reikia patikim\u0173 <strong data-start=\"3996\" data-end=\"4025\">ISO 7854 C metodo bandymas<\/strong>, <strong data-start=\"4027\" data-end=\"4082\">\"Cell Instruments\" si\u016blo \"GFT Crumple Flex\" tester\u012f<\/strong>.<\/p>\n\n\n\n<p>The <strong data-start=\"4091\" data-end=\"4098\">GFT<\/strong> skirtas <strong data-start=\"4115\" data-end=\"4166\">tikslus, pakartojamas atsparumo lenkimui \u012fvertinimas<\/strong> dengt\u0173 audini\u0173, laminat\u0173 ir pana\u0161i\u0173 lanks\u010di\u0173 med\u017eiag\u0173. Jis pasi\u017eymi \u0161iomis savyb\u0117mis:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tiksliai valdomi svyravimo ir suspaudimo mechanizmai.<\/li>\n\n\n\n<li>Reguliuojami grei\u010dio ir eigos nustatymai standartin\u0117ms arba pasirinktin\u0117ms bandymo s\u0105lygoms.<\/li>\n\n\n\n<li>Automatizuotos cikl\u0173 skai\u010diavimo ir saugos funkcijos.<\/li>\n\n\n\n<li>Suderinamumas su <strong data-start=\"4463\" data-end=\"4475\">ISO 7854<\/strong>, <strong data-start=\"4477\" data-end=\"4491\">ASTM F392<\/strong>, ir susij\u0119 lankstumo patvarumo standartai.<\/li>\n<\/ul>\n\n\n\n<p>Su <strong data-start=\"4540\" data-end=\"4564\">Cell Instruments GFT<\/strong>, naudotojai gali u\u017etikrinti tiksli\u0105 ir veiksming\u0105 <strong data-start=\"4606\" data-end=\"4630\">Lankstumo bandymas gniu\u017edant<\/strong> i\u0161laikant atitikt\u012f pasaulin\u0117ms bandym\u0173 normoms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Susisiekite su mumis Gaukite ISO 7854 testavimo sprendim\u0105 <\/h2>\n\n\n\n<p>Pasirink\u0119 patikim\u0105 priemon\u0119, pvz. <strong data-start=\"5100\" data-end=\"5125\">Cell Instruments\u2019 GFT<\/strong> ne tik pagerina bandym\u0173 efektyvum\u0105, bet ir padidina med\u017eiag\u0173 vertinimo patikimum\u0105. Skirta pramon\u0117s \u0161akoms, kuriose svarbus dengt\u0173 audini\u0173 patikimumas, <strong data-start=\"5273\" data-end=\"5309\"><a href=\"https:\/\/www.iso.org\/standard\/14777.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 7854<\/a> Lankstumo bandymai<\/strong> yra pagrindinis \u017eingsnis u\u017etikrinant nuolatin\u0119 kokyb\u0119 ir klient\u0173 pasitenkinim\u0105.<\/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\/lt\/wp-json\/wp\/v2\/standard\/9862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media\/8052"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=9862"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard-category?post=9862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}