{"id":9310,"date":"2026-02-02T11:23:36","date_gmt":"2026-02-02T03:23:36","guid":{"rendered":"https:\/\/www.packqc.com\/applications\/tearing-strength-of-fabrics-by-falling-pendulum\/"},"modified":"2026-03-16T15:38:40","modified_gmt":"2026-03-16T07:38:40","slug":"tearing-strength-of-fabrics-by-falling-pendulum","status":"publish","type":"applications","link":"https:\/\/www.packqc.com\/cs\/applications\/tearing-strength-of-fabrics-by-falling-pendulum\/","title":{"rendered":"Pevnost tkanin p\u0159i roztr\u017een\u00ed padaj\u00edc\u00edm kyvadlem"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The <strong data-start=\"510\" data-end=\"561\">Pevnost tkanin p\u0159i roztr\u017een\u00ed padaj\u00edc\u00edm kyvadlem<\/strong> je z\u00e1kladn\u00edm testem, kter\u00fd ur\u010duje, jak dob\u0159e tkaniny odol\u00e1vaj\u00ed roztr\u017een\u00ed p\u0159i nam\u00e1h\u00e1n\u00ed. Tato metoda je d\u016fle\u017eit\u00e1 zejm\u00e9na pro materi\u00e1ly pou\u017e\u00edvan\u00e9 v textili\u00edch, kter\u00e9 mus\u00ed dob\u0159e fungovat p\u0159i mechanick\u00e9m nam\u00e1h\u00e1n\u00ed, jako jsou bezpe\u010dnostn\u00ed za\u0159\u00edzen\u00ed, \u010daloun\u011bn\u00ed a pr\u016fmyslov\u00e9 tkaniny. <strong data-start=\"831\" data-end=\"845\">ASTM D1424<\/strong>, kter\u00fd popisuje postup m\u011b\u0159en\u00ed pevnosti tkaniny v roztr\u017een\u00ed pomoc\u00ed <strong data-start=\"920\" data-end=\"965\">P\u0159\u00edstroj s padaj\u00edc\u00edm kyvadlem Elmendorfova typu<\/strong>, je nej\u010dast\u011bji pou\u017e\u00edvanou normou v t\u00e9to oblasti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1424: Norma pro zkou\u0161en\u00ed odolnosti tkaniny proti roztr\u017een\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong data-start=\"1078\" data-end=\"1092\">ASTM D1424<\/strong> definuje metodu pro ur\u010den\u00ed <strong data-start=\"1132\" data-end=\"1151\">odolnost proti roztr\u017een\u00ed<\/strong> tkaniny pomoc\u00ed <strong data-start=\"1170\" data-end=\"1200\">p\u0159\u00edstroj s padaj\u00edc\u00edm kyvadlem<\/strong>. Tato metoda spo\u010d\u00edv\u00e1 v m\u011b\u0159en\u00ed s\u00edly pot\u0159ebn\u00e9 k roz\u0161\u00ed\u0159en\u00ed trhliny ve vzorku tkaniny po vytvo\u0159en\u00ed po\u010d\u00e1te\u010dn\u00edho \u0159ezu. Na adrese . <strong data-start=\"1326\" data-end=\"1351\">Elmendorfova metoda trh\u00e1n\u00ed<\/strong> se pou\u017e\u00edv\u00e1 k posouzen\u00ed odolnosti tkaniny proti \u0161\u00ed\u0159en\u00ed trhlin, co\u017e je rozhoduj\u00edc\u00ed pro ur\u010den\u00ed trvanlivosti materi\u00e1l\u016f pou\u017e\u00edvan\u00fdch v r\u016fzn\u00fdch aplikac\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je Elmendorfova slza?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"1540\" data-end=\"1558\">Elmendorfova slza<\/strong> test m\u011b\u0159\u00ed <strong data-start=\"1577\" data-end=\"1594\">pevnost v roztr\u017een\u00ed<\/strong> tkaniny p\u016fsoben\u00edm s\u00edly na p\u0159edem vy\u0159\u00edznutou \u0161t\u011brbinu ve vzorku tkaniny. S\u00edla pot\u0159ebn\u00e1 k pokra\u010dov\u00e1n\u00ed trh\u00e1n\u00ed se zaznamen\u00e1v\u00e1, co\u017e poskytuje cenn\u00e9 \u00fadaje o odolnosti tkaniny proti roztr\u017een\u00ed. Tato metoda je zvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00e1 pro testov\u00e1n\u00ed tkan\u00fdch textili\u00ed, vrstven\u00fdch p\u0159ikr\u00fdvek, tkanin pro airbagy a dal\u0161\u00edch typ\u016f textili\u00ed b\u011b\u017en\u011b pou\u017e\u00edvan\u00fdch v komer\u010dn\u00edm i pr\u016fmyslov\u00e9m prost\u0159ed\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdznam pevnosti tkaniny v roztr\u017een\u00ed<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Testov\u00e1n\u00ed odolnosti tkaniny proti roztr\u017een\u00ed je d\u016fle\u017eit\u00e9 z n\u011bkolika d\u016fvod\u016f:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2083\" data-end=\"2097\">Trvanlivost<\/strong>: Tkaniny pou\u017e\u00edvan\u00e9 v kritick\u00fdch bezpe\u010dnostn\u00edch aplikac\u00edch mus\u00ed odol\u00e1vat mechanick\u00e9mu nam\u00e1h\u00e1n\u00ed, ani\u017e by se roztrhly. <strong data-start=\"2194\" data-end=\"2208\">ASTM D1424<\/strong> zaji\u0161\u0165uje, aby materi\u00e1ly spl\u0148ovaly pot\u0159ebn\u00e9 normy odolnosti.<\/li>\n\n\n\n<li><strong data-start=\"2275\" data-end=\"2294\">Kontrola kvality<\/strong>: V\u00fdrobci t\u00edmto testem ov\u011b\u0159uj\u00ed, zda jejich tkaniny spl\u0148uj\u00ed pr\u016fmyslov\u00e9 normy, a zaji\u0161\u0165uj\u00ed tak konzistentn\u00ed kvalitu v\u00fdrobk\u016f nap\u0159\u00ed\u010d v\u00fdrobn\u00edmi \u0161ar\u017eemi.<\/li>\n\n\n\n<li><strong data-start=\"2443\" data-end=\"2466\">V\u00fdkonnost produktu<\/strong>: Pro tkaniny pou\u017e\u00edvan\u00e9 ve v\u00fdrobc\u00edch, jako jsou airbagy, bezpe\u010dnostn\u00ed uniformy a pr\u016fmyslov\u00e9 plachty, <strong data-start=\"2553\" data-end=\"2570\">pevnost v roztr\u017een\u00ed<\/strong> m\u00e1 z\u00e1sadn\u00ed v\u00fdznam pro zaji\u0161t\u011bn\u00ed funk\u010dnosti tkaniny v re\u00e1ln\u00fdch podm\u00ednk\u00e1ch.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Zku\u0161ebn\u00ed postup: P\u0159\u00edstroj s padaj\u00edc\u00edm kyvadlem<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Postup pro <strong data-start=\"2723\" data-end=\"2777\">m\u011b\u0159en\u00ed pevnosti tkaniny v roztr\u017een\u00ed pomoc\u00ed padaj\u00edc\u00edho kyvadla<\/strong> zahrnuje n\u011bkolik kl\u00ed\u010dov\u00fdch krok\u016f:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"2810\" data-end=\"2834\">P\u0159\u00edprava vzork\u016f<\/strong>: Vyst\u0159ihne se obd\u00e9ln\u00edkov\u00fd vzorek l\u00e1tky a uprost\u0159ed se ud\u011bl\u00e1 \u0161t\u011brbina. Vzorek se pot\u00e9 um\u00edst\u00ed mezi dv\u011b svorky.<\/li>\n\n\n\n<li><strong data-start=\"2962\" data-end=\"2982\">\u0160\u00ed\u0159en\u00ed slz<\/strong>: The <strong data-start=\"2988\" data-end=\"3018\">p\u0159\u00edstroj s padaj\u00edc\u00edm kyvadlem<\/strong> p\u016fsob\u00ed na vzorek \u0159\u00edzenou silou, kter\u00e1 zp\u016fsobuje \u0161\u00ed\u0159en\u00ed trhliny. S\u00edla pot\u0159ebn\u00e1 k pokra\u010dov\u00e1n\u00ed trh\u00e1n\u00ed se m\u011b\u0159\u00ed a zaznamen\u00e1v\u00e1.<\/li>\n\n\n\n<li><strong data-start=\"3163\" data-end=\"3182\">Sb\u011br dat<\/strong>: Test m\u011b\u0159\u00ed <strong data-start=\"3206\" data-end=\"3246\">s\u00edla pot\u0159ebn\u00e1 k \u0161\u00ed\u0159en\u00ed trhliny<\/strong>. V\u00fdsledky se pou\u017e\u00edvaj\u00ed k v\u00fdpo\u010dtu tkaniny. <strong data-start=\"3295\" data-end=\"3312\">pevnost v roztr\u017een\u00ed<\/strong> a vyhodnotit jeho odolnost proti roztr\u017een\u00ed p\u0159i nam\u00e1h\u00e1n\u00ed.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Aplikace testu padaj\u00edc\u00edho kyvadla<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Norma ASTM D1424 se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 v textiln\u00edm pr\u016fmyslu a dal\u0161\u00edch odv\u011btv\u00edch, kde je d\u016fle\u017eit\u00e1 odolnost tkaniny:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3527\" data-end=\"3552\">Textiln\u00ed v\u00fdroba<\/strong>: Pro kontrolu kvality tkanin, p\u0159ikr\u00fdvek a l\u00e1tek pro vzduchov\u00e9 pol\u0161t\u00e1\u0159e.<\/li>\n\n\n\n<li><strong data-start=\"3624\" data-end=\"3644\">Bezpe\u010dnostn\u00ed vybaven\u00ed<\/strong>: V materi\u00e1lech pou\u017e\u00edvan\u00fdch pro ochrann\u00e9 od\u011bvy, bezpe\u010dnostn\u00ed uniformy a dal\u0161\u00ed vysoce v\u00fdkonn\u00e9 aplikace.<\/li>\n\n\n\n<li><strong data-start=\"3749\" data-end=\"3771\">Pr\u016fmyslov\u00e9 tkaniny<\/strong>: Pro tkaniny pou\u017e\u00edvan\u00e9 v pr\u016fmyslov\u00fdch aplikac\u00edch, jako jsou plachty, stany a dal\u0161\u00ed v\u00fdrobky pro t\u011b\u017ek\u00e9 nasazen\u00ed.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Odb\u011br vzork\u016f a zku\u0161ebn\u00ed vzorky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pro p\u0159esn\u00e9 v\u00fdsledky je t\u0159eba <strong data-start=\"3929\" data-end=\"3943\">ASTM D1424<\/strong> test vy\u017eaduje pe\u010dliv\u011b vybran\u00e9 vzorky:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3988\" data-end=\"4002\">Vzorek \u0161ar\u017ee<\/strong>: Z v\u00fdrobn\u00ed d\u00e1vky se vybere ur\u010dit\u00fd po\u010det rol\u00ed nebo kus\u016f l\u00e1tky.<\/li>\n\n\n\n<li><strong data-start=\"4091\" data-end=\"4112\">Laboratorn\u00ed vzorek<\/strong>: Z l\u00e1tky se vyst\u0159ihne vzorek a p\u0159iprav\u00ed se vzorky s p\u0159esn\u00fdmi rozm\u011bry pro zkou\u0161ku.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong data-start=\"4216\" data-end=\"4224\">Pozn\u00e1mka<\/strong>: The <strong data-start=\"4230\" data-end=\"4254\">pevnost tkaniny v roztr\u017een\u00ed<\/strong> je p\u0159\u00edmo \u00fam\u011brn\u00e1 d\u00e9lce vzorku tkaniny, tak\u017ee pro spolehliv\u00e9 v\u00fdsledky je nezbytn\u00e1 p\u0159esn\u00e1 p\u0159\u00edprava vzorku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cell Instruments: vedouc\u00ed postaven\u00ed v testov\u00e1n\u00ed pevnosti v tahu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na <strong data-start=\"4454\" data-end=\"4474\">Bun\u011b\u010dn\u00e9 n\u00e1stroje<\/strong>, poskytujeme vysoce kvalitn\u00ed <strong data-start=\"4500\" data-end=\"4528\"><a href=\"https:\/\/www.packqc.com\/cs\/products\/sld-01-elmendorf-tear-strength-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">zku\u0161ebn\u00ed stroje elemendorf<\/a><\/strong> kter\u00e9 jsou v souladu s <strong data-start=\"4550\" data-end=\"4564\"><a href=\"https:\/\/store.astm.org\/d1424-25.html\" rel=\"nofollow noopener\" target=\"_blank\">ASTM D1424<\/a><\/strong> standardn\u00ed. Na\u0161e str\u00e1nky <strong data-start=\"4579\" data-end=\"4609\">p\u0159\u00edstroj s padaj\u00edc\u00edm kyvadlem<\/strong> zaji\u0161\u0165uje p\u0159esn\u00e9 m\u011b\u0159en\u00ed <strong data-start=\"4641\" data-end=\"4670\">Odolnost proti roztr\u017een\u00ed Elmendorf<\/strong>, co\u017e v\u00fdrobc\u016fm umo\u017e\u0148uje testovat trvanlivost tkanin a udr\u017eovat kontrolu kvality v\u00fdrobk\u016f. D\u00edky na\u0161emu vysp\u011bl\u00e9mu vybaven\u00ed si m\u016f\u017eete b\u00fdt jisti spolehlivost\u00ed v\u00fdsledk\u016f test\u016f.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pevnost tkanin v roztr\u017een\u00ed p\u0159i p\u00e1du kyvadlem je z\u00e1kladn\u00ed zkou\u0161kou pro ur\u010den\u00ed, jak dob\u0159e tkaniny odol\u00e1vaj\u00ed roztr\u017een\u00ed p\u0159i nam\u00e1h\u00e1n\u00ed. Tato metoda je d\u016fle\u017eit\u00e1 zejm\u00e9na pro materi\u00e1ly pou\u017e\u00edvan\u00e9 v textili\u00edch, kter\u00e9 mus\u00ed dob\u0159e fungovat p\u0159i mechanick\u00e9m nam\u00e1h\u00e1n\u00ed, jako jsou bezpe\u010dnostn\u00ed za\u0159\u00edzen\u00ed, \u010daloun\u011bn\u00ed a pr\u016fmyslov\u00e9 tkaniny. Norma ASTM D1424, kter\u00e1 popisuje postup pro m\u011b\u0159en\u00ed [...]<\/p>","protected":false},"featured_media":8696,"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":""}}},"class_list":["post-9310","applications","type-applications","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/applications\/9310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/applications"}],"about":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/types\/applications"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media\/8696"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}