{"id":10338,"date":"2026-07-07T15:39:18","date_gmt":"2026-07-07T07:39:18","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10338"},"modified":"2026-07-07T15:50:52","modified_gmt":"2026-07-07T07:50:52","slug":"iso-6383-2","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/iso-6383-2\/","title":{"rendered":"ISO 6383-2"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>ISO 6383-2<\/strong> ur\u010duje standardizovan\u00fd <strong>Elmendorfova metoda<\/strong> pro stanoven\u00ed odolnosti tenk\u00fdch pru\u017en\u00fdch plastov\u00fdch f\u00f3li\u00ed a desek proti roztr\u017een\u00ed. Tato metoda nam\u00edsto m\u011b\u0159en\u00ed s\u00edly pot\u0159ebn\u00e9 k zah\u00e1jen\u00ed roztr\u017een\u00ed hodnot\u00ed s\u00edlu pot\u0159ebnou k <strong>roz\u0161\u00ed\u0159it st\u00e1vaj\u00edc\u00ed trhlinu<\/strong>, d\u00edky \u010demu\u017e je velmi cenn\u00fd pro kontrolu kvality, v\u00fdvoj v\u00fdrobk\u016f a srovn\u00e1v\u00e1n\u00ed materi\u00e1l\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdrobci flexibiln\u00edch obal\u016f, obal\u016f pro zdravotnictv\u00ed, zem\u011bd\u011blsk\u00fdch f\u00f3li\u00ed, pr\u016fmyslov\u00fdch vlo\u017eek a plastov\u00fdch v\u00fdrobk\u016f pro spot\u0159ebitele se spol\u00e9haj\u00ed na <strong>ISO 6383-2<\/strong> za \u00fa\u010delem posouzen\u00ed, zda je materi\u00e1l schopen odolat n\u00e1hodn\u00e9mu roztr\u017een\u00ed b\u011bhem v\u00fdroby, p\u0159epravy, manipulace a kone\u010dn\u00e9ho pou\u017eit\u00ed. Vzhledem k tomu, \u017ee odolnost proti roztr\u017een\u00ed m\u00e1 p\u0159\u00edm\u00fd vliv na \u017eivotnost v\u00fdrobku a spokojenost z\u00e1kazn\u00edk\u016f, stala se tato zkou\u0161ka b\u011b\u017enou sou\u010d\u00e1st\u00ed hodnocen\u00ed mechanick\u00fdch vlastnost\u00ed v mnoha pr\u016fmyslov\u00fdch odv\u011btv\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je odolnost proti roztr\u017een\u00ed u plastov\u00fdch f\u00f3li\u00ed d\u016fle\u017eit\u00e1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Plastov\u00e9 f\u00f3lie jsou b\u011bhem sv\u00e9 \u017eivotnosti vystaveny r\u016fzn\u00fdm mechanick\u00fdm nam\u00e1h\u00e1n\u00edm. Mal\u00e9 z\u00e1\u0159ezy, prop\u00edchnut\u00ed nebo vady na okraj\u00edch se mohou rychle prom\u011bnit ve velk\u00e9 trhliny, pokud m\u00e1 materi\u00e1l n\u00edzkou odolnost proti \u0161\u00ed\u0159en\u00ed trhlin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na rozd\u00edl od pevnosti v tahu, kter\u00e1 m\u011b\u0159\u00ed odolnost p\u0159i rovnom\u011brn\u00e9m prota\u017een\u00ed, odolnost proti roztr\u017een\u00ed hodnot\u00ed, do jak\u00e9 m\u00edry materi\u00e1l br\u00e1n\u00ed \u0161\u00ed\u0159en\u00ed ji\u017e vznikl\u00e9 trhliny.<\/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<h2 class=\"wp-block-heading\">Co je norma ISO 6383-2?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ISO 6383-2<\/strong> je mezin\u00e1rodn\u00ed norma, kter\u00e1 stanovuje <strong>Elmendorfova metoda<\/strong> k stanoven\u00ed odolnosti proti roztr\u017een\u00ed tenk\u00fdch pru\u017en\u00fdch plastov\u00fdch f\u00f3li\u00ed a desek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tato metoda m\u011b\u0159\u00ed s\u00edlu pot\u0159ebnou k tomu, aby se vzorek d\u00e1le trhal od standardizovan\u00e9ho p\u0159edem vy\u0159\u00edznut\u00e9ho z\u00e1\u0159ezu po stanovenou d\u00e9lku trh\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tato norma je ur\u010dena p\u0159edev\u0161\u00edm pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Flexibiln\u00ed polyethylenov\u00e9 (PE) f\u00f3lie<\/li>\n\n\n\n<li>Polypropylenov\u00e9 (PP) f\u00f3lie<\/li>\n\n\n\n<li>Flexibiln\u00ed PVC f\u00f3lie<\/li>\n\n\n\n<li>Polyolefinov\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Podobn\u00e9 pru\u017en\u00e9 plastov\u00e9 materi\u00e1ly<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">U n\u011bkter\u00fdch vysoce rozta\u017eiteln\u00fdch f\u00f3li\u00ed se mohou objevit r\u016fzn\u00e9 dr\u00e1hy trh\u00e1n\u00ed, zat\u00edmco u relativn\u011b tuh\u00fdch materi\u00e1l\u016f, jako jsou f\u00f3lie z tuh\u00e9ho PVC, polyesteru nebo nylonu, nemus\u00ed tato metoda p\u0159in\u00e9st reprodukovateln\u00e9 v\u00fdsledky.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Elmendorfova metoda<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Elmendorfova metoda<\/strong> vyu\u017e\u00edv\u00e1 kalibrovan\u00e9 kyvadlo k v\u00fdrob\u011b \u0159\u00edzen\u00e9ho mno\u017estv\u00ed mechanick\u00e9 energie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u011bhem testov\u00e1n\u00ed:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>P\u0159iprav\u00ed se standardizovan\u00fd vzorek s p\u0159edem vy\u0159\u00edznutou \u0161t\u011brbinou.<\/li>\n\n\n\n<li>Vzorek je pevn\u011b upnut.<\/li>\n\n\n\n<li>Kyvadlo se uvoln\u00ed automaticky.<\/li>\n\n\n\n<li>Ulo\u017een\u00e1 potenci\u00e1ln\u00ed energie zp\u016fsobuje \u0161\u00ed\u0159en\u00ed trhliny.<\/li>\n\n\n\n<li>Energetick\u00e1 ztr\u00e1ta se p\u0159em\u011b\u0148uje na s\u00edlu trh\u00e1n\u00ed.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Jeliko\u017e tento p\u0159\u00edstroj m\u011b\u0159\u00ed energii spot\u0159ebovanou b\u011bhem \u0161\u00ed\u0159en\u00ed trhliny, a nikoli pouhou s\u00edlu lomu, umo\u017e\u0148uje tato metoda vysoce opakovateln\u00e1 m\u011b\u0159en\u00ed u pru\u017en\u00fdch materi\u00e1l\u016f.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Princip zkou\u0161ky odolnosti proti roztr\u017een\u00ed podle normy ISO 6383-2 (metoda Elmendorfa)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Princip testov\u00e1n\u00ed je jednoduch\u00fd:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kyvadlo se zn\u00e1mou hmotnost\u00ed se po uvoln\u011bn\u00ed pohybuje skrz vzorek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010c\u00e1st kinetick\u00e9 energie kyvadla se spot\u0159ebuje p\u0159i \u0161\u00ed\u0159en\u00ed trhliny na stanovenou vzd\u00e1lenost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zb\u00fdvaj\u00edc\u00ed energie ur\u010duje <strong>odolnost proti roztr\u017een\u00ed podle Elmendorfa<\/strong>, kter\u00e1 se podle kalibrace p\u0159\u00edstroje ud\u00e1v\u00e1 jako s\u00edla (N).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tato metoda vyhodnocuje <strong>\u0161\u00ed\u0159en\u00ed trhliny<\/strong>, nikoli vznik trhliny.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Postup podle Elmendorfovy metody<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u010dkoli by laborato\u0159e m\u011bly v\u017edy dodr\u017eovat normu v pln\u00e9m rozsahu, typick\u00fdm <strong>ISO 6383-2<\/strong> Pracovn\u00ed postup zahrnuje n\u00e1sleduj\u00edc\u00ed kroky.<\/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\">Krok<\/th><th class=\"has-text-align-center\" data-align=\"center\">Popis<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Ov\u011b\u0159en\u00ed za\u0159\u00edzen\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ujist\u011bte se, \u017ee je p\u0159\u00edstroj vyrovnan\u00fd a spr\u00e1vn\u011b vynulovan\u00fd<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">V\u00fdb\u011br kyvadla<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vyberte si kyvadlo s odpov\u00eddaj\u00edc\u00ed nosnost\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">P\u0159\u00edprava vzork\u016f<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vy\u0159\u00edzn\u011bte standardn\u00ed vzorky se stanoven\u00fdm z\u00e1\u0159ezem<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Upevn\u011bn\u00ed vzorku<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vzorek um\u00edst\u011bte do st\u0159edu \u010delist\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Uvoln\u011bn\u00ed kyvadla<\/td><td class=\"has-text-align-center\" data-align=\"center\">Uvoln\u011bn\u00ed bez vn\u011bj\u0161\u00edho z\u00e1sahu<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u0160\u00ed\u0159en\u00ed trhliny<\/td><td class=\"has-text-align-center\" data-align=\"center\">Zaznamenat energii roztr\u017een\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">V\u00fdpo\u010det v\u00fdsledku<\/td><td class=\"has-text-align-center\" data-align=\"center\">P\u0159ev\u00e9st energii na odolnost proti roztr\u017een\u00ed a vypo\u010d\u00edtat pr\u016fm\u011brn\u00e9 hodnoty<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Aby byla m\u011b\u0159en\u00ed spolehliv\u00e1, m\u011bly by nam\u011b\u0159en\u00e9 hodnoty obecn\u011b spadat do rozmez\u00ed <strong>20\u201380% \u2013 kapacita kyvadla<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Interpretace v\u00fdsledk\u016f zkou\u0161ky odolnosti proti roztr\u017een\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Podle <strong>ISO 6383-2<\/strong>, laborato\u0159e nejprve stanov\u00ed odolnost proti roztr\u017een\u00ed u ka\u017ed\u00e9ho vzorku zvl\u00e1\u0161\u0165 a teprve pot\u00e9 vypo\u010d\u00edtaj\u00ed aritmetick\u00fd pr\u016fm\u011br.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mezi typick\u00e9 zpr\u00e1vy pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odolnost proti roztr\u017een\u00ed (N)<\/li>\n\n\n\n<li>Sm\u011br stroje (MD)<\/li>\n\n\n\n<li>P\u0159\u00ed\u010dn\u00fd sm\u011br (TD)<\/li>\n\n\n\n<li>Pr\u016fm\u011brn\u00e9 hodnoty<\/li>\n\n\n\n<li>Po\u010det vzork\u016f<\/li>\n\n\n\n<li>Zku\u0161ebn\u00ed podm\u00ednky<\/li>\n\n\n\n<li>Identifikace za\u0159\u00edzen\u00ed<\/li>\n<\/ul>\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<p class=\"wp-block-paragraph\">P\u0159ijateln\u00e1 odolnost proti roztr\u017een\u00ed v\u0161ak v\u017edy z\u00e1vis\u00ed na zam\u00fd\u0161len\u00e9m pou\u017eit\u00ed v\u00fdrobku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Faktory ovliv\u0148uj\u00edc\u00ed pevnost plastov\u00e9 f\u00f3lie v tahu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na nam\u011b\u0159enou odolnost proti roztr\u017een\u00ed m\u00e1 vliv \u0159ada prom\u011bnn\u00fdch.<\/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\">Vlastnosti materi\u00e1lu<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typ polymeru<\/li>\n\n\n\n<li>Molekulov\u00e1 hmotnost<\/li>\n\n\n\n<li>Krystalinita<\/li>\n\n\n\n<li>P\u0159\u00edsady<\/li>\n\n\n\n<li>Plastifik\u00e1tory<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdrobn\u00ed proces<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extruze foukan\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Zpracov\u00e1n\u00ed lit\u00fdch f\u00f3li\u00ed<\/li>\n\n\n\n<li>Orientace vl\u00e1kna<\/li>\n\n\n\n<li>Rychlost ochlazov\u00e1n\u00ed<\/li>\n\n\n\n<li>Tlou\u0161\u0165ka vrstvy<\/li>\n<\/ul>\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\">Konstruk\u010dn\u00ed n\u00e1vrh<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jednovrstv\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Koextrudovan\u00e9 v\u00edcevrstv\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Laminovan\u00e9 konstrukce<\/li>\n\n\n\n<li>Vyztu\u017een\u00e9 f\u00f3lie<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Podm\u00ednky testov\u00e1n\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159\u00edprava vzork\u016f<\/li>\n\n\n\n<li>Nosnost kyvadla<\/li>\n\n\n\n<li>Kalibrace p\u0159\u00edstroj\u016f<\/li>\n\n\n\n<li>Technika obsluhy<\/li>\n\n\n\n<li>Klimatizace<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vn\u00e9 laboratorn\u00ed postupy pom\u00e1haj\u00ed minimalizovat variabilitu v\u00fdsledk\u016f test\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Souvisej\u00edc\u00ed zku\u0161ebn\u00ed normy<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u010dkoli <strong>ISO 6383-2<\/strong> se zam\u011b\u0159uje na syst\u00e9m zalo\u017een\u00fd na kyvadle <strong>Elmendorfova metoda<\/strong>, laborato\u0159e jej \u010dasto kombinuj\u00ed s dal\u0161\u00edmi zkou\u0161kami mechanick\u00fdch vlastnost\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\">Norma<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u00da\u010del<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.packqc.com\/cs\/standard\/astm-d1922\/\" target=\"_blank\" rel=\"noreferrer noopener\">ASTM D1922<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\">Odolnost plastov\u00e9 f\u00f3lie proti roztr\u017een\u00ed podle normy Elmendorf<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 6383-1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda roztr\u017een\u00ed kalhot pro plastov\u00e9 f\u00f3lie<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.packqc.com\/cs\/standard\/astm-d1004\/\" target=\"_blank\" rel=\"noreferrer noopener\">ASTM D1004<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\">Po\u010d\u00e1te\u010dn\u00ed odolnost proti roztr\u017een\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.packqc.com\/cs\/standard\/astm-d882\/\" target=\"_blank\" rel=\"noreferrer noopener\">ASTM D882<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\">Tahov\u00e9 vlastnosti plastov\u00e9 f\u00f3lie<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 527<\/td><td class=\"has-text-align-center\" data-align=\"center\">Zkou\u0161ka tahem plast\u016f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdb\u011br dopl\u0148kov\u00fdch test\u016f umo\u017e\u0148uje z\u00edskat ucelen\u011bj\u0161\u00ed p\u0159ehled o vlastnostech f\u00f3lie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdb\u011br p\u0159\u00edstroje pro m\u011b\u0159en\u00ed pevnosti v trh\u00e1n\u00ed podle Elmendorfa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00da\u010dinn\u00fd <strong><a href=\"https:\/\/www.packqc.com\/cs\/products\/sld-01-elmendorf-tear-strength-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">Elmendorf\u016fv tester pevnosti v tahu<\/a><\/strong> m\u011blo by zaji\u0161\u0165ovat opakovateln\u00fd pohyb kyvadla, stabiln\u00ed upnut\u00ed vzorku, p\u0159esn\u00fd p\u0159evod s\u00edly a efektivn\u00ed spr\u00e1vu dat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro laborato\u0159e, kter\u00e9 prov\u00e1d\u011bj\u00ed <strong>ISO 6383-2<\/strong> Mezi d\u016fle\u017eit\u00e9 funkce p\u0159\u00edstroje p\u0159i testov\u00e1n\u00ed pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automatick\u00e9 uvoln\u011bn\u00ed kyvadla za \u00fa\u010delem sn\u00ed\u017een\u00ed vlivu obsluhy<\/li>\n\n\n\n<li>Pneumatick\u00e9 up\u00edn\u00e1n\u00ed vzork\u016f pro zaji\u0161t\u011bn\u00ed st\u00e1l\u00e9ho up\u00ednac\u00edho tlaku<\/li>\n\n\n\n<li>R\u016fzn\u00e9 nosnosti kyvadel pro m\u011b\u0159en\u00ed r\u016fzn\u00fdch hodnot pevnosti v trh\u00e1n\u00ed<\/li>\n\n\n\n<li>Pr\u016fmyslov\u00e9 \u0159\u00edzen\u00ed pomoc\u00ed PLC s ovl\u00e1d\u00e1n\u00edm p\u0159es dotykovou obrazovku<\/li>\n\n\n\n<li>Automatick\u00fd statistick\u00fd v\u00fdpo\u010det v\u00fdsledk\u016f<\/li>\n\n\n\n<li>Ov\u011b\u0159en\u00ed kalibrace pro v\u00edce rozsah\u016f s\u00edly<\/li>\n\n\n\n<li>Voliteln\u00fd software pro export dat a tvorbu p\u0159ehled\u016f<\/li>\n\n\n\n<li>Dodr\u017eov\u00e1n\u00ed p\u0159\u00edslu\u0161n\u00fdch mezin\u00e1rodn\u00edch zku\u0161ebn\u00edch norem<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Cell Instruments SLD-01 \u2013 p\u0159\u00edstroj pro m\u011b\u0159en\u00ed pevnosti v trh\u00e1n\u00ed podle Elmendorfa<\/strong> vyu\u017e\u00edv\u00e1 tyto funkce k podpo\u0159e rutinn\u00edho laboratorn\u00edho testov\u00e1n\u00ed pru\u017en\u00fdch plastov\u00fdch f\u00f3li\u00ed, obalov\u00fdch materi\u00e1l\u016f, pap\u00edrov\u00fdch v\u00fdrobk\u016f a souvisej\u00edc\u00edch materi\u00e1l\u016f. Jeho funkce automatick\u00e9ho \u0159\u00edzen\u00ed zvy\u0161uj\u00ed opakovatelnost v\u00fdsledk\u016f a z\u00e1rove\u0148 zjednodu\u0161uj\u00ed ka\u017edodenn\u00ed provoz v laborato\u0159\u00edch pro kontrolu kvality a ve v\u00fdzkumn\u00fdch za\u0159\u00edzen\u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.iso.org\/standard\/12716.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ISO 6383-2<\/a><\/strong> poskytuje spolehliv\u00fd a mezin\u00e1rodn\u011b uzn\u00e1van\u00fd postup pro m\u011b\u0159en\u00ed odolnosti pru\u017en\u00fdch plastov\u00fdch f\u00f3li\u00ed proti roztr\u017een\u00ed pomoc\u00ed <strong>Elmendorfova metoda<\/strong>. D\u00edky kvantifikaci s\u00edly pot\u0159ebn\u00e9 k roz\u0161\u00ed\u0159en\u00ed \u0159\u00edzen\u00e9ho trh\u00e1n\u00ed umo\u017e\u0148uje tato norma v\u00fdrobc\u016fm posoudit odolnost materi\u00e1lu, optimalizovat konstrukci v\u00fdrobku, zajistit konzistentnost v\u00fdroby a splnit po\u017eadavky z\u00e1kazn\u00edk\u016f na kvalitu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0165 u\u017e jde o v\u00fdvoj pokro\u010dil\u00fdch obalov\u00fdch f\u00f3li\u00ed nebo o prov\u00e1d\u011bn\u00ed b\u011b\u017en\u00e9 kontroly kvality, p\u0159esn\u00e9 m\u011b\u0159en\u00ed <strong>pevnost plastov\u00e9 f\u00f3lie v roztr\u017een\u00ed<\/strong> je nezbytn\u00e9 pro p\u0159edpov\u011b\u010f v\u00fdkonu produktu. Dob\u0159e navr\u017een\u00fd <strong>Elmendorf\u016fv tester pevnosti v tahu<\/strong>, v kombinaci se spr\u00e1vnou p\u0159\u00edpravou vzork\u016f a standardizovan\u00fdmi zku\u0161ebn\u00edmi postupy, zaji\u0161\u0165uje spolehliv\u00e9 v\u00fdsledky, kter\u00e9 pom\u00e1haj\u00ed p\u0159i v\u00fdb\u011bru materi\u00e1l\u016f, optimalizaci proces\u016f a dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f.<\/p>","protected":false},"excerpt":{"rendered":"<p>Norma ISO 6383-2 stanovuje Elmendorfovu metodu pro stanoven\u00ed odolnosti tenk\u00fdch pru\u017en\u00fdch plastov\u00fdch f\u00f3li\u00ed a desek proti roztr\u017een\u00ed.<\/p>","protected":false},"featured_media":10339,"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":"disabled","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-10338","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\/10338","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\/10339"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=10338"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=10338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}