{"id":983,"date":"2026-06-30T09:29:57","date_gmt":"2026-06-30T09:29:57","guid":{"rendered":"https:\/\/www.teartester.com\/?post_type=standard&#038;p=983"},"modified":"2026-07-01T08:11:40","modified_gmt":"2026-07-01T08:11:40","slug":"iso-13937-1","status":"publish","type":"standard","link":"https:\/\/www.teartester.com\/cs\/standard\/iso-13937-1\/","title":{"rendered":"ISO 13937-1"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Odolnost proti roztr\u017een\u00ed je kl\u00ed\u010dovou vlastnost\u00ed textili\u00ed pou\u017e\u00edvan\u00fdch v od\u011bvn\u00edm pr\u016fmyslu, v pr\u016fmyslov\u00fdch tkanin\u00e1ch, technick\u00fdch textili\u00edch, ochrann\u00e9m od\u011bvu, obalov\u00fdch textili\u00edch a netkan\u00fdch v\u00fdrobc\u00edch. <strong>ISO 13937-1<\/strong> poskytuje standardizovanou metodu pro stanoven\u00ed s\u00edly pot\u0159ebn\u00e9 k roz\u0161\u00ed\u0159en\u00ed p\u0159edem vy\u0159\u00edznut\u00e9ho trhlinov\u00e9ho z\u00e1\u0159ezu v textilii pomoc\u00ed metody balistick\u00e9ho kyvadla, b\u011b\u017en\u011b zn\u00e1m\u00e9 jako <strong>Pevnost v trh\u00e1n\u00ed podle Elmendorfa<\/strong> test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro v\u00fdrobce, laborato\u0159e a odborn\u00edky v oblasti kontroly kvality je d\u016fle\u017eit\u00e9 pochopit <strong>ISO 13937-1<\/strong> pom\u00e1h\u00e1 zajistit, aby textiln\u00ed v\u00fdrobky odol\u00e1valy re\u00e1ln\u00fdm nam\u00e1h\u00e1n\u00edm, kter\u00fdm jsou vystaveny p\u0159i manipulaci, zpracov\u00e1n\u00ed, p\u0159eprav\u011b a p\u0159i kone\u010dn\u00e9m pou\u017eit\u00ed. Tento \u010dl\u00e1nek vysv\u011btluje princip zkou\u0161en\u00ed, postup, oblasti pou\u017eit\u00ed, interpretaci v\u00fdsledk\u016f a po\u017eadavky na vybaven\u00ed souvisej\u00edc\u00ed s <strong>zkou\u0161ka tkaniny na roztr\u017een\u00ed<\/strong> podle normy ISO 13937-1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Porozum\u011bn\u00ed norm\u011b ISO 13937-1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ISO 13937-1: Textilie \u2013 Vlastnosti tkanin z hlediska odolnosti proti roztr\u017een\u00ed \u2013 \u010c\u00e1st 1: Stanoven\u00ed s\u00edly pot\u0159ebn\u00e9 k roztr\u017een\u00ed metodou balistick\u00e9ho kyvadla (Elmendorf)<\/strong> stanovuje metodu m\u011b\u0159en\u00ed s\u00edly pot\u0159ebn\u00e9 k pokra\u010dov\u00e1n\u00ed trhliny, kter\u00e1 ji\u017e byla zapo\u010data ve vzorku tkaniny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na rozd\u00edl od zkou\u0161ky tahem, p\u0159i kter\u00e9 se m\u011b\u0159\u00ed s\u00edla pot\u0159ebn\u00e1 k p\u0159etr\u017een\u00ed cel\u00e9ho vzorku, <strong>ISO 13937-1<\/strong> se zam\u011b\u0159uje na \u0161\u00ed\u0159en\u00ed trhlin. Toto rozli\u0161en\u00ed je d\u016fle\u017eit\u00e9, proto\u017ee textilie v praktick\u00fdch aplikac\u00edch \u010dasto selh\u00e1vaj\u00ed sp\u00ed\u0161e v d\u016fsledku st\u00e1vaj\u00edc\u00edch \u0159ez\u016f, prop\u00edchnut\u00ed nebo vad ne\u017e v d\u016fsledku rovnom\u011brn\u00e9ho tahov\u00e9ho nam\u00e1h\u00e1n\u00ed.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Tato metoda je prim\u00e1rn\u011b pou\u017eiteln\u00e1 pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tkaniny<\/li>\n\n\n\n<li>Mnoho netkan\u00fdch materi\u00e1l\u016f<\/li>\n\n\n\n<li>Textilie s povrchovou \u00fapravou<\/li>\n\n\n\n<li>Technick\u00e9 textilie<\/li>\n\n\n\n<li>Pr\u016fmyslov\u00e9 textilie<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Tato norma obecn\u011b nen\u00ed vhodn\u00e1 pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pleten\u00e9 l\u00e1tky<\/li>\n\n\n\n<li>Vysoce elastick\u00e9 tkaniny<\/li>\n\n\n\n<li>Velmi voln\u00e9 konstrukce<\/li>\n\n\n\n<li>Vysoce anizotropn\u00ed tkaniny, u nich\u017e se sm\u011br trh\u00e1n\u00ed m\u016f\u017ee b\u011bhem zkou\u0161ky li\u0161it<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je pevnost v trh\u00e1n\u00ed d\u016fle\u017eit\u00e1?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Odolnost proti roztr\u017een\u00ed je \u010dasto kl\u00ed\u010dov\u00fdm ukazatelem trvanlivosti a \u017eivotnosti l\u00e1tky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u010cast\u00e9 probl\u00e9my s kvalitou, kter\u00e9 \u0159e\u0161\u00ed zkou\u0161ka odolnosti proti roztr\u017een\u00ed<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u017d\u00e1dost<\/th><th class=\"has-text-align-center\" data-align=\"center\">V\u00fdznam pevnosti v trh\u00e1n\u00ed<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Tkaniny pro od\u011bvn\u00ed pr\u016fmysl<\/td><td class=\"has-text-align-center\" data-align=\"center\">Odolnost proti n\u00e1hodn\u00e9mu roztr\u017een\u00ed p\u0159i no\u0161en\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Ochrann\u00e9 od\u011bvy<\/td><td class=\"has-text-align-center\" data-align=\"center\">Zabr\u00e1n\u011bn\u00ed \u0161\u00ed\u0159en\u00ed trhliny po po\u0161kozen\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Geotextilie<\/td><td class=\"has-text-align-center\" data-align=\"center\">Odolnost v\u016f\u010di nam\u00e1h\u00e1n\u00ed p\u0159i mont\u00e1\u017ei<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Pr\u016fmyslov\u00e9 textilie<\/td><td class=\"has-text-align-center\" data-align=\"center\">Chov\u00e1n\u00ed p\u0159i mechanick\u00e9m nam\u00e1h\u00e1n\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Netkan\u00e9 materi\u00e1ly<\/td><td class=\"has-text-align-center\" data-align=\"center\">Struktur\u00e1ln\u00ed integrita p\u0159i manipulaci<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u010calounick\u00e9 l\u00e1tky<\/td><td class=\"has-text-align-center\" data-align=\"center\">Odolnost proti po\u0161kozen\u00ed p\u0159i pou\u017e\u00edv\u00e1n\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tkanina m\u016f\u017ee vykazovat vynikaj\u00edc\u00ed pevnost v tahu, ale p\u0159esto p\u0159ed\u010dasn\u011b selhat, pokud jej\u00ed odolnost proti roztr\u017een\u00ed nen\u00ed dostate\u010dn\u00e1. Proto <strong>zkou\u0161ka tkaniny na roztr\u017een\u00ed<\/strong> poskytuje dopl\u0148uj\u00edc\u00ed informace, kter\u00e9 jsou nezbytn\u00e9 pro komplexn\u00ed hodnocen\u00ed materi\u00e1lu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Princip zkou\u0161ky pevnosti v trh\u00e1n\u00ed podle Elmendorfa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>Pevnost v trh\u00e1n\u00ed podle Elmendorfa<\/strong> Tato metoda m\u011b\u0159\u00ed energii pot\u0159ebnou k tomu, aby se trhlina v textiln\u00edm vzorku roz\u0161\u00ed\u0159ila o stanovenou vzd\u00e1lenost.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak test funguje<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Obd\u00e9ln\u00edkov\u00fd vzorek je upevn\u011bn mezi dv\u011bma svorkami:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jedna svorka je upevn\u011bna<\/li>\n\n\n\n<li>Ten druh\u00fd je p\u0159ipevn\u011bn k kyvadlu<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do vzorku se vytvo\u0159\u00ed p\u0159edem vy\u0159\u00edznut\u00e1 \u0161t\u011brbina.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e se kyvadlo uvoln\u00ed:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Potenci\u00e1ln\u00ed energie se p\u0159em\u011b\u0148uje na kinetickou energii.<\/li>\n\n\n\n<li>Pohybliv\u00e1 svorka rychle t\u00e1hne l\u00e1tku.<\/li>\n\n\n\n<li>Trhlina se \u0161\u00ed\u0159\u00ed po stanovenou vzd\u00e1lenost.<\/li>\n\n\n\n<li>M\u011b\u0159\u00ed se energie absorbovan\u00e1 p\u0159i trh\u00e1n\u00ed.<\/li>\n\n\n\n<li>Vypo\u010d\u00edt\u00e1 se a uvede odpov\u00eddaj\u00edc\u00ed s\u00edla pot\u0159ebn\u00e1 k roztr\u017een\u00ed.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Tento test kvantifikuje pr\u016fm\u011brnou s\u00edlu pot\u0159ebnou k dal\u0161\u00edmu trh\u00e1n\u00ed materi\u00e1lu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vizualizace testovac\u00edho procesu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159\u00edprava vzorku \u2192 P\u0159edb\u011b\u017en\u00fd \u0159ez \u2192 Upevn\u011bn\u00ed vzorku \u2192 Uvoln\u011bn\u00ed kyvadla \u2192 \u0160\u00ed\u0159en\u00ed trhliny \u2192 V\u00fdpo\u010det s\u00edly<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tento re\u017eim rychl\u00e9ho zat\u00ed\u017een\u00ed simuluje situace, kdy p\u0159i b\u011b\u017en\u00e9m pou\u017e\u00edv\u00e1n\u00ed doch\u00e1z\u00ed k n\u00e1hl\u00e9mu roztr\u017een\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zku\u0161ebn\u00ed postup podle normy ISO 13937-1<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">1. P\u0159\u00edprava vzork\u016f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Rozm\u011bry a orientace vzorku mus\u00ed odpov\u00eddat po\u017eadavk\u016fm normy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Testov\u00e1n\u00ed se obvykle prov\u00e1d\u00ed v obou p\u0159\u00edpadech:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sm\u011br osnovy<\/li>\n\n\n\n<li>Sm\u011br \u00fatku<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pro zaji\u0161t\u011bn\u00ed statistick\u00e9 spolehlivosti se p\u0159ipravuje v\u00edce vzork\u016f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Proveden\u00ed testu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vzorek se pe\u010dliv\u011b upevn\u00ed mezi svorky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oper\u00e1tor:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vr\u00e1t\u00ed kyvadlo do v\u00fdchoz\u00ed polohy<\/li>\n\n\n\n<li>Ov\u011b\u0159uje kalibraci na nulu<\/li>\n\n\n\n<li>Uvoln\u00ed kyvadlo<\/li>\n\n\n\n<li>Zaznamen\u00e1v\u00e1 nam\u011b\u0159enou s\u00edlu odtr\u017een\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Zvolen\u00e1 kapacita kyvadla by m\u011bla generovat hodnoty v rozmez\u00ed: <strong>15% a 85% s plnou kapacitou<\/strong> aby bylo dosa\u017eeno optim\u00e1ln\u00ed p\u0159esnosti.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">2. Vytvo\u0159en\u00ed po\u010d\u00e1te\u010dn\u00edho \u0159ezu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u011b\u0159en\u00ed \u0161t\u011brbiny:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>20 mm \u00b1 0,5 mm<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">se p\u0159ed zkou\u0161kou vy\u0159\u00edzne do vzorku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zb\u00fdvaj\u00edc\u00ed trasa slz je:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>43 mm \u00b1 0,5 mm<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tato kontrolovan\u00e1 geometrie zaji\u0161\u0165uje srovnatelnost v\u00fdsledk\u016f mezi laborato\u0159emi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Kontroly platnosti<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trhlina by m\u011bla:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Postupujte podle vyzna\u010den\u00e9ho sm\u011bru odtr\u017een\u00ed<\/li>\n\n\n\n<li>Z\u016fst\u00e1v\u00e1 stabiln\u00ed po celou dobu rozmno\u017eov\u00e1n\u00ed<\/li>\n\n\n\n<li>Nesm\u00ed doch\u00e1zet k nadm\u011brn\u00e9mu prokluzov\u00e1n\u00ed p\u0159\u00edze<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdsledky je t\u0159eba zam\u00edtnout, pokud m\u00edsto skute\u010dn\u00e9ho roztr\u017een\u00ed dojde k prokluzu vl\u00e1kna. Pokud jsou t\u0159i nebo v\u00edce vzork\u016f z p\u011bti neplatn\u00e9, nemus\u00ed b\u00fdt tato metoda pro dan\u00fd materi\u00e1l vhodn\u00e1.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-683x1024.webp\" alt=\"ISO 13937-1 Zkou\u0161ka odolnosti textili\u00ed proti roztr\u017een\u00ed podle Elmendorfa\" class=\"wp-image-984\" style=\"width:683px;height:auto\" srcset=\"https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-683x1024.webp 683w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-200x300.webp 200w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-768x1152.webp 768w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-8x12.webp 8w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics.webp 1024w\" sizes=\"(max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 faktory ovliv\u0148uj\u00edc\u00ed pevnost v trh\u00e1n\u00ed podle Elmendorfa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na v\u00fdsledky zkou\u0161ek m\u00e1 vliv n\u011bkolik vlastnost\u00ed materi\u00e1lu.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Slo\u017een\u00ed l\u00e1tky<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hustota p\u0159\u00edze<\/li>\n\n\n\n<li>Hustota tkaniny<\/li>\n\n\n\n<li>Vzor tkan\u00ed<\/li>\n\n\n\n<li>Frekvence propl\u00e9t\u00e1n\u00ed p\u0159\u00edze<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Obecn\u011b plat\u00ed, \u017ee pevn\u011bj\u0161\u00ed konstrukce vykazuj\u00ed jin\u00e9 chov\u00e1n\u00ed p\u0159i trh\u00e1n\u00ed ne\u017e voln\u011bj\u0161\u00ed konstrukce.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Typ vl\u00e1kna<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mezi p\u0159\u00edklady pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bavlna<\/li>\n\n\n\n<li>Polyester<\/li>\n\n\n\n<li>Nylon<\/li>\n\n\n\n<li>aramid<\/li>\n\n\n\n<li>Polypropylen<\/li>\n\n\n\n<li>Sm\u011bsov\u00e1 vl\u00e1kna<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pevnost vl\u00e1ken a jejich prodlou\u017een\u00ed maj\u00ed p\u0159\u00edm\u00fd vliv na \u0161\u00ed\u0159en\u00ed trhliny.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Z\u00e1v\u011bre\u010dn\u00e9 \u00fapravy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Chemick\u00e9 a mechanick\u00e9 procesy povrchov\u00e9 \u00fapravy mohou v\u00fdznamn\u011b ovlivnit odolnost proti roztr\u017een\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Povlaky<\/li>\n\n\n\n<li>O\u0161et\u0159en\u00ed prysky\u0159ic\u00ed<\/li>\n\n\n\n<li>Vod\u011bodoln\u00e9 povrchov\u00e9 \u00fapravy<\/li>\n\n\n\n<li>\u00dapravy pro sn\u00ed\u017een\u00ed ho\u0159lavosti<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Sm\u011br vl\u00e1kna<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pevnost v tahu osnovy a \u00fatku se \u010dasto v\u00fdrazn\u011b li\u0161\u00ed v d\u016fsledku rozd\u00edl\u016f ve struktu\u0159e tkaniny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Z tohoto d\u016fvodu, <strong>ISO 13937-1<\/strong> vy\u017eaduje proveden\u00ed zkou\u0161ek ve v\u0161ech p\u0159\u00edslu\u0161n\u00fdch sm\u011brech.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdklad v\u00fdsledk\u016f test\u016f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hlavn\u00ed uv\u00e1d\u011bnou veli\u010dinou je s\u00edla odtr\u017een\u00ed, kter\u00e1 se obvykle ud\u00e1v\u00e1 v:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Newtony (N)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vy\u0161\u0161\u00ed hodnoty obecn\u011b znamenaj\u00ed v\u011bt\u0161\u00ed odolnost proti \u0161\u00ed\u0159en\u00ed trhliny.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edkladov\u00e1 data<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Uk\u00e1zka<\/th><th class=\"has-text-align-center\" data-align=\"center\">S\u00edla trhliny v \u010dasoprostoru (N)<\/th><th class=\"has-text-align-center\" data-align=\"center\">S\u00edla pot\u0159ebn\u00e1 k roztr\u017een\u00ed \u00fatku (N)<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">L\u00e1tka A<\/td><td class=\"has-text-align-center\" data-align=\"center\">28.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">24.8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">L\u00e1tka B<\/td><td class=\"has-text-align-center\" data-align=\"center\">42.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">38.7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">L\u00e1tka C<\/td><td class=\"has-text-align-center\" data-align=\"center\">15.6<\/td><td class=\"has-text-align-center\" data-align=\"center\">18.2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tyto hodnoty lze pou\u017e\u00edt pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00fdvoj produkt\u016f<\/li>\n\n\n\n<li>Kvalifikace dodavatel\u016f<\/li>\n\n\n\n<li>Kontrola p\u0159\u00edchoz\u00edho materi\u00e1lu<\/li>\n\n\n\n<li>Kontrola kvality v\u00fdroby<\/li>\n\n\n\n<li>Srovn\u00e1vac\u00ed anal\u00fdza s konkurenc\u00ed<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Vyu\u017eit\u00ed normy ISO 13937-1 v r\u016fzn\u00fdch odv\u011btv\u00edch<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Textiln\u00ed v\u00fdroba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdrobci pou\u017e\u00edvaj\u00ed <strong>ISO 13937-1<\/strong> za \u00fa\u010delem ov\u011b\u0159en\u00ed po\u017eadavk\u016f na trvanlivost a zaji\u0161t\u011bn\u00ed st\u00e1l\u00e9 kvality v\u00fdrobku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ochrann\u00e9 od\u011bvy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ochrann\u00e9 od\u011bvy mus\u00ed m\u00edt dostate\u010dnou odolnost proti roztr\u017een\u00ed, aby byla zachov\u00e1na bezpe\u010dnost i po vzniku drobn\u00fdch po\u0161kozen\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Technick\u00e9 textilie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u016fmyslov\u00e9 textilie pou\u017e\u00edvan\u00e9 v doprav\u011b, stavebnictv\u00ed a p\u0159i filtraci \u010dasto vy\u017eaduj\u00ed ov\u011b\u0159en\u00ed odolnosti proti roztr\u017een\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Netkan\u00e9 v\u00fdrobky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mnoho netkan\u00fdch materi\u00e1l\u016f pou\u017e\u00edvan\u00fdch v hygienick\u00e9m, zdravotnick\u00e9m a pr\u016fmyslov\u00e9m odv\u011btv\u00ed se hodnot\u00ed pomoc\u00ed <strong>Pevnost v trh\u00e1n\u00ed podle Elmendorfa<\/strong> metoda.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdzkum a v\u00fdvoj<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdvoj\u00e1\u0159i materi\u00e1l\u016f vyu\u017e\u00edvaj\u00ed tuto normu k porovn\u00e1v\u00e1n\u00ed nov\u00fdch konstrukc\u00ed tkanin, vl\u00e1ken a technologi\u00ed \u00fapravy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Po\u017eadavky na za\u0159\u00edzen\u00ed pro zkou\u0161ku odolnosti proti roztr\u017een\u00ed podle Elmendorfa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jeden <strong>Zku\u0161ebn\u00ed za\u0159\u00edzen\u00ed pro trh\u00e1n\u00ed podle Elmendorfa<\/strong> je t\u0159eba uv\u00e9st:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159esn\u00e9 m\u011b\u0159en\u00ed energie kyvadla<\/li>\n\n\n\n<li>Stabiln\u00ed up\u00ednac\u00ed podm\u00ednky<\/li>\n\n\n\n<li>\u0158\u00edzen\u00e9 polohov\u00e1n\u00ed vzorku<\/li>\n\n\n\n<li>Spolehliv\u00e9 kalibra\u010dn\u00ed mo\u017enosti<\/li>\n\n\n\n<li>Opakovateln\u00e9 uvoln\u011bn\u00ed kyvadla<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vzhledem k tomu, \u017ee trhac\u00ed s\u00edla m\u016f\u017ee b\u00fdt velmi citliv\u00e1 na podm\u00ednky zkou\u0161en\u00ed, hraje kvalita za\u0159\u00edzen\u00ed v\u00fdznamnou roli p\u0159i dosahov\u00e1n\u00ed opakovateln\u00fdch a reprodukovateln\u00fdch v\u00fdsledk\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cell Instruments SLD-01 Elmendorf\u016fv trhac\u00ed tester<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pro laborato\u0159e, kter\u00e9 prov\u00e1d\u011bj\u00ed <strong>ISO 13937-1<\/strong> testov\u00e1n\u00ed, to <strong>SLD-01 Elmendorf\u016fv trhac\u00ed tester<\/strong> z <a href=\"https:\/\/www.teartester.com\/cs\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cell Instruments<\/a> je ur\u010dena k podpo\u0159e standardizovan\u00e9ho hodnocen\u00ed odolnosti proti roztr\u017een\u00ed textili\u00ed, pap\u00edru, f\u00f3li\u00ed, netkan\u00fdch textili\u00ed a podobn\u00fdch materi\u00e1l\u016f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hlavn\u00ed vlastnosti<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Syst\u00e9m \u0159\u00edzen\u00fd programovateln\u00fdm logick\u00fdm automatem (PLC) s dotykov\u00fdm rozhran\u00edm HMI<\/li>\n\n\n\n<li>Pneumatick\u00e9 up\u00edn\u00e1n\u00ed vzork\u016f pro zaji\u0161t\u011bn\u00ed st\u00e1l\u00e9 up\u00ednac\u00ed s\u00edly<\/li>\n\n\n\n<li>Automatick\u00e9 uvoln\u011bn\u00ed kyvadla za \u00fa\u010delem sn\u00ed\u017een\u00ed vlivu obsluhy<\/li>\n\n\n\n<li>R\u016fzn\u00e9 nosnosti kyvadel:\n<ul class=\"wp-block-list\">\n<li>200 gf<\/li>\n\n\n\n<li>400 gf<\/li>\n\n\n\n<li>800 gf<\/li>\n\n\n\n<li>1600 gf<\/li>\n\n\n\n<li>3200 gf<\/li>\n\n\n\n<li>6400 gf<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Integrovan\u00e1 kontrola kalibra\u010dn\u00edch z\u00e1va\u017e\u00ed<\/li>\n\n\n\n<li>Automatizovan\u00e9 statistick\u00e9 v\u00fdpo\u010dty<\/li>\n\n\n\n<li>Voliteln\u00fd profesion\u00e1ln\u00ed software pro spr\u00e1vu dat<\/li>\n\n\n\n<li>Voliteln\u00e1 mikrotisk\u00e1rna a p\u0159ipojen\u00ed p\u0159es rozhran\u00ed RS-232<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Technick\u00e9 specifikace<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Parametr<\/th><th class=\"has-text-align-center\" data-align=\"center\">Specifikace<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Nosnost kyvadla<\/td><td class=\"has-text-align-center\" data-align=\"center\">200\u20136400 gf<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">D\u00e9lka trhac\u00edho ramene<\/td><td class=\"has-text-align-center\" data-align=\"center\">104 \u00b1 1 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Po\u010d\u00e1te\u010dn\u00ed \u00fahel trh\u00e1n\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">27,5\u00b0 \u00b1 0,5\u00b0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Dod\u00e1vky plynu<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,6 MPa<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Nap\u00e1jen\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">110\u2013220 V st\u0159\u00eddav\u00e9ho proudu, 50\/60 Hz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Syst\u00e9m podporuje laborato\u0159e, kter\u00e9 usiluj\u00ed o spolehliv\u00e9 dodr\u017eov\u00e1n\u00ed <strong>ISO 13937-1<\/strong> a dal\u0161\u00ed po\u017eadavky na zkou\u0161ky odolnosti proti roztr\u017een\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Souvisej\u00edc\u00ed normy pro zkou\u0161ky odolnosti proti roztr\u017een\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u010dkoli <strong>ISO 13937-1<\/strong> je sice \u0161iroce pou\u017e\u00edv\u00e1na, v z\u00e1vislosti na typu materi\u00e1lu a po\u017eadavc\u00edch dan\u00e9ho odv\u011btv\u00ed v\u0161ak mohou b\u00fdt pou\u017eiteln\u00e9 i jin\u00e9 metody zkou\u0161en\u00ed odolnosti proti roztr\u017een\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Standardn\u00ed<\/th><th class=\"has-text-align-center\" data-align=\"center\">Metoda<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda Elmendorfova kyvadla<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-2<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda jedn\u00e9 slzy<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-3<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda roztr\u017een\u00ed kalhot<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-4<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda roztr\u017een\u00ed jazyka<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ASTM D1424<\/td><td class=\"has-text-align-center\" data-align=\"center\">Elmendorfova metoda zkou\u0161ky odolnosti proti roztr\u017een\u00ed u textili\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ASTM D5734<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda roztr\u017een\u00ed kalhot<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">TAPPI T414<\/td><td class=\"has-text-align-center\" data-align=\"center\">Elmendorfova zkou\u0161ka odolnosti pap\u00edru proti roztr\u017een\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdb\u011br vhodn\u00e9 metody z\u00e1vis\u00ed na struktu\u0159e tkaniny, po\u017eadavc\u00edch na pou\u017eit\u00ed a specifikac\u00edch z\u00e1kazn\u00edka.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ISO 13937-1<\/strong> z\u016fst\u00e1v\u00e1 jednou z nejuzn\u00e1van\u011bj\u0161\u00edch norem pro hodnocen\u00ed odolnosti proti \u0161\u00ed\u0159en\u00ed trhlin u tkanin a mnoha netkan\u00fdch materi\u00e1l\u016f. Pomoc\u00ed m\u011b\u0159en\u00ed <strong>Pevnost v trh\u00e1n\u00ed podle Elmendorfa<\/strong>, mohou v\u00fdrobci a zku\u0161ebn\u00ed laborato\u0159e l\u00e9pe porozum\u011bt trvanlivosti tkanin, porovn\u00e1vat vlastnosti materi\u00e1l\u016f a zajistit soulad s po\u017eadavky z\u00e1kazn\u00edk\u016f i odv\u011btv\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vn\u011b proveden\u00fd <strong>zkou\u0161ka tkaniny na roztr\u017een\u00ed<\/strong> poskytuje cenn\u00e9 \u00fadaje o kontrole kvality, kter\u00e9 podporuj\u00ed v\u00fdvoj v\u00fdrobk\u016f, kvalifikaci dodavatel\u016f a trvalou konzistenci v\u00fdroby. V kombinaci s vysoce kvalitn\u00edm <strong>Zku\u0161ebn\u00ed za\u0159\u00edzen\u00ed pro trh\u00e1n\u00ed podle Elmendorfa<\/strong>, tato metoda poskytuje spolehliv\u00e9 a opakovateln\u00e9 v\u00fdsledky, kter\u00e9 pom\u00e1haj\u00ed zachovat vlastnosti textili\u00ed po celou dobu \u017eivotn\u00edho cyklu v\u00fdrobku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[3],"class_list":["post-983","standard","type-standard","status-publish","hentry","standard-category-iso"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard\/983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/media?parent=983"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard-category?post=983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}