{"id":7407,"date":"2025-09-08T21:33:46","date_gmt":"2025-09-08T13:33:46","guid":{"rendered":"https:\/\/www.qualitester.com\/?p=7407"},"modified":"2025-09-08T21:33:46","modified_gmt":"2025-09-08T13:33:46","slug":"drop-weight-test","status":"publish","type":"post","link":"https:\/\/www.qualitester.com\/sk\/drop-weight-test\/","title":{"rendered":"Test p\u00e1dovej hmotnosti: ASTM D3420 Hodnotenie odolnosti proti n\u00e1razu"},"content":{"rendered":"<p data-start=\"516\" data-end=\"838\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/09\/drop-weight-test-300x300.webp\" alt=\"sk\u00fa\u0161ka p\u00e1dom z\u00e1\u0165a\u017ee\" width=\"311\" height=\"311\" \/>Str\u00e1nka <strong data-start=\"520\" data-end=\"540\">sk\u00fa\u0161ka p\u00e1dom z\u00e1\u0165a\u017ee<\/strong> je \u0161iroko pou\u017e\u00edvan\u00e1 met\u00f3da na hodnotenie <strong data-start=\"581\" data-end=\"664\">odolnos\u0165 plastov\u00fdch f\u00f3li\u00ed, lamin\u00e1tov a flexibiln\u00fdch obalov\u00fdch materi\u00e1lov vo\u010di n\u00e1razom<\/strong>. T\u00fdm, \u017ee sa z\u00e1va\u017eie zn\u00e1mej hmotnosti zhod\u00ed z ur\u010denej v\u00fd\u0161ky, t\u00e1to sk\u00fa\u0161ka simuluje re\u00e1lne n\u00e1razy, ktor\u00fdm m\u00f4\u017eu by\u0165 materi\u00e1ly vystaven\u00e9 po\u010das manipul\u00e1cie, prepravy alebo pou\u017e\u00edvania.<\/p>\n<p data-start=\"840\" data-end=\"1118\">Ako z\u00e1kladn\u00fd n\u00e1stroj kontroly kvality poskytuje sk\u00fa\u0161ka p\u00e1dom z\u00e1va\u017eia v\u00fdrobcom a laborat\u00f3ri\u00e1m <strong data-start=\"945\" data-end=\"966\">kvantifikovate\u013en\u00e9 \u00fadaje<\/strong> pokia\u013e ide o pevnos\u0165 a trvanlivos\u0165 materi\u00e1lu, \u010d\u00edm sa zabezpe\u010duje, \u017ee v\u00fdrobky sp\u013a\u0148aj\u00fa o\u010dak\u00e1vania t\u00fdkaj\u00face sa v\u00fdkonu a s\u00fa v s\u00falade s medzin\u00e1rodn\u00fdmi normami, ako napr\u00edklad <strong data-start=\"1101\" data-end=\"1115\">ASTM D3420<\/strong>.<\/p>\n<hr \/>\n<h2 data-start=\"840\" data-end=\"1118\">Pochopenie <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D3420<\/a> pre sk\u00fa\u0161ku p\u00e1dom z\u00e1va\u017eia<\/h2>\n<p data-start=\"1177\" data-end=\"1534\">Str\u00e1nka <strong data-start=\"1181\" data-end=\"1204\">Norma ASTM D3420<\/strong> stanovuje met\u00f3du merania odolnosti plastovej f\u00f3lie proti n\u00e1razu \u0161\u00edpkou vo vo\u013enom p\u00e1de, \u010dasto ozna\u010dovan\u00fa ako <strong data-start=\"1323\" data-end=\"1343\">sk\u00fa\u0161ka n\u00e1razom \u0161\u00edpkou<\/strong>. Pri tomto postupe sa na vzorku f\u00f3lie zhadzuje polgu\u013eovit\u00fd n\u00e1razn\u00edk, a\u017e k\u00fdm ned\u00f4jde k poru\u0161eniu, \u010d\u00edm sa zmeria schopnos\u0165 materi\u00e1lu odol\u00e1va\u0165 n\u00e1razu bez roztrhnutia alebo prepichnutia.<\/p>\n<p data-start=\"1536\" data-end=\"1573\">Medzi k\u013e\u00fa\u010dov\u00e9 prvky normy ASTM D3420 patria:<\/p>\n<ul data-start=\"1574\" data-end=\"1984\">\n<li data-start=\"1574\" data-end=\"1666\">\n<p data-start=\"1576\" data-end=\"1666\"><strong data-start=\"1576\" data-end=\"1606\">Pr\u00edprava sk\u00fa\u0161obn\u00fdch vzoriek:<\/strong> Pred testovan\u00edm je potrebn\u00e9 f\u00f3lie nareza\u0165 na po\u017eadovan\u00fa ve\u013ekos\u0165 a pripravi\u0165.<\/p>\n<\/li>\n<li data-start=\"1667\" data-end=\"1755\">\n<p data-start=\"1669\" data-end=\"1755\"><strong data-start=\"1669\" data-end=\"1684\">Typy \u0161\u00edpok:<\/strong> S\u00fa definovan\u00e9 dve met\u00f3dy (A a B), pri ktor\u00fdch sa pou\u017e\u00edvaj\u00fa \u0161\u00edpky s r\u00f4znou hmotnos\u0165ou.<\/p>\n<\/li>\n<li data-start=\"1756\" data-end=\"1857\">\n<p data-start=\"1758\" data-end=\"1857\"><strong data-start=\"1758\" data-end=\"1779\">Krit\u00e9ri\u00e1 zlyhania:<\/strong> Porucha f\u00f3lie sa definuje ako ak\u00e1ko\u013evek vidite\u013en\u00e1 diera alebo trhlina sp\u00f4soben\u00e1 \u0161\u00edpkou.<\/p>\n<\/li>\n<li data-start=\"1858\" data-end=\"1984\">\n<p data-start=\"1860\" data-end=\"1984\"><strong data-start=\"1860\" data-end=\"1882\">V\u00fdraz v\u00fdsledku:<\/strong> V\u00fdsledky s\u00fa vyjadren\u00e9 ako hmotnos\u0165 \u0161\u00edpky potrebnej na to, aby do\u0161lo k zlyhaniu najmenej v 50% pr\u00edpadov.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1986\" data-end=\"2101\">Dodr\u017eiavanie normy ASTM D3420 zaru\u010duje konzistentnos\u0165, opakovate\u013enos\u0165 a medzin\u00e1rodn\u00e9 uznanie v\u00fdsledkov sk\u00fa\u0161ok.<\/p>\n<hr \/>\n<h2 data-start=\"1986\" data-end=\"2101\">Sk\u00fa\u0161ka n\u00e1razom padaj\u00facej gule pre praktick\u00e9 pou\u017eitie<\/h2>\n<p data-start=\"2163\" data-end=\"2484\">Str\u00e1nka <strong data-start=\"2167\" data-end=\"2192\">Sk\u00fa\u0161ka n\u00e1razom padaj\u00facou gu\u013eou<\/strong> je \u010fal\u0161\u00ed d\u00f4le\u017eit\u00fd pr\u00edstup k hodnoteniu r\u00e1zovej pevnosti materi\u00e1lov, najm\u00e4 povlakov, tuh\u00fdch plastov a obalov\u00fdch n\u00e1dob. Pri tejto met\u00f3de sa oce\u013eov\u00e1 gu\u013ea s ur\u010den\u00fdm priemerom zhod\u00ed z kontrolovanej v\u00fd\u0161ky na sk\u00fa\u0161an\u00fa vzorku a n\u00e1sledne sa posudzuje vzniknut\u00e9 po\u0161kodenie.<\/p>\n<p data-start=\"2486\" data-end=\"2538\">Medzi oblasti pou\u017eitia r\u00e1zovej sk\u00fa\u0161ky s padaj\u00facou gu\u013eou patria:<\/p>\n<ul data-start=\"2539\" data-end=\"2815\">\n<li data-start=\"2539\" data-end=\"2619\">\n<p data-start=\"2541\" data-end=\"2619\"><strong data-start=\"2541\" data-end=\"2554\">Povlaky:<\/strong> Overenie pri\u013enavosti a odolnosti proti praskaniu alebo odlupovaniu.<\/p>\n<\/li>\n<li data-start=\"2620\" data-end=\"2719\">\n<p data-start=\"2622\" data-end=\"2719\"><strong data-start=\"2622\" data-end=\"2636\">Balenie:<\/strong> Testovanie odolnosti plastov\u00fdch flia\u0161, kart\u00f3nov a obalov pri manipul\u00e1cii.<\/p>\n<\/li>\n<li data-start=\"2720\" data-end=\"2815\">\n<p data-start=\"2722\" data-end=\"2815\"><strong data-start=\"2722\" data-end=\"2756\">Elektronika a zdravotn\u00edcke zariadenia:<\/strong> Hodnotenie spo\u013eahlivosti ochrann\u00fdch puzdier a obalov.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2817\" data-end=\"2996\">Obidve <strong data-start=\"2826\" data-end=\"2846\">sk\u00fa\u0161ka p\u00e1dom z\u00e1\u0165a\u017ee<\/strong> a <strong data-start=\"2855\" data-end=\"2880\">sk\u00fa\u0161ka n\u00e1razom padaj\u00facou gu\u013eou<\/strong> sl\u00fa\u017eia ako doplnkov\u00e9 met\u00f3dy, ktor\u00e9 poskytuj\u00fa cenn\u00e9 inform\u00e1cie o r\u00f4znych vlastnostiach materi\u00e1lov pri n\u00e1hlom p\u00f4soben\u00ed sily.<\/p>\n<hr \/>\n<h2 data-start=\"2817\" data-end=\"2996\">Pre\u010do s\u00fa testy na zn\u00ed\u017eenie hmotnosti d\u00f4le\u017eit\u00e9<\/h2>\n<p data-start=\"3041\" data-end=\"3112\">V\u00fdznam <strong data-start=\"3063\" data-end=\"3083\">sk\u00fa\u0161ka p\u00e1dom z\u00e1\u0165a\u017ee<\/strong> sa t\u00fdka r\u00f4znych odvetv\u00ed:<\/p>\n<ul data-start=\"3114\" data-end=\"3518\">\n<li data-start=\"3114\" data-end=\"3212\">\n<p data-start=\"3116\" data-end=\"3212\"><strong data-start=\"3116\" data-end=\"3139\">Obalov\u00fd priemysel:<\/strong> Zabezpe\u010duje, aby f\u00f3lie a pru\u017en\u00e9 lamin\u00e1ty chr\u00e1nili v\u00fdrobky po\u010das prepravy.<\/p>\n<\/li>\n<li data-start=\"3213\" data-end=\"3304\">\n<p data-start=\"3215\" data-end=\"3304\"><strong data-start=\"3215\" data-end=\"3235\">Jedlo a n\u00e1poje:<\/strong> Overuje odolnos\u0165 vrec\u00fa\u0161kov\u00fdch a f\u00f3liov\u00fdch obalov pri nam\u00e1han\u00ed.<\/p>\n<\/li>\n<li data-start=\"3305\" data-end=\"3416\">\n<p data-start=\"3307\" data-end=\"3416\"><strong data-start=\"3307\" data-end=\"3336\">Farmaceutick\u00fd a zdravotn\u00edcky priemysel:<\/strong> Zaru\u010duje, \u017ee obal si zachov\u00e1 svoju celistvos\u0165 a chr\u00e1ni citliv\u00e9 v\u00fdrobky.<\/p>\n<\/li>\n<li data-start=\"3417\" data-end=\"3518\">\n<p data-start=\"3419\" data-end=\"3518\"><strong data-start=\"3419\" data-end=\"3444\">Textil a lepidl\u00e1:<\/strong> Posudzuje odolnos\u0165 potiahnut\u00fdch tkan\u00edn a lepen\u00fdch materi\u00e1lov proti n\u00e1razom.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3520\" data-end=\"3703\">V\u010faka v\u010dasnej identifik\u00e1cii slab\u00fdch miest m\u00f4\u017eu v\u00fdrobcovia prisp\u00f4sobi\u0165 v\u00fdber materi\u00e1lu alebo kon\u0161trukciu, \u010d\u00edm <strong data-start=\"3616\" data-end=\"3700\">zn\u00ed\u017eenie po\u010dtu por\u00fach v\u00fdrobkov, minimaliz\u00e1cia odpadu a zv\u00fd\u0161enie spokojnosti z\u00e1kazn\u00edkov<\/strong>.<\/p>\n<hr \/>\n<h2 data-start=\"3520\" data-end=\"3703\"><a href=\"https:\/\/www.qualitester.com\/sk\/\">Mobiln\u00e9 n\u00e1stroje<\/a> Rie\u0161enia pre sk\u00fa\u0161ky p\u00e1dom z\u00e1\u0165a\u017ee<\/h2>\n<p data-start=\"3760\" data-end=\"3945\">Na str\u00e1nke <strong data-start=\"3763\" data-end=\"3783\">Mobiln\u00e9 n\u00e1stroje<\/strong>, pon\u00fakame pokro\u010dil\u00e9 <strong data-start=\"3805\" data-end=\"3828\">pr\u00edstroje na meranie p\u00e1dovej hmotnosti<\/strong> vyvinut\u00e9 s d\u00f4razom na presnos\u0165, opakovate\u013enos\u0165 a s\u00falad s normami, ako napr\u00edklad <strong data-start=\"3905\" data-end=\"3919\">ASTM D3420<\/strong>. Na\u0161e rie\u0161enia sa vyzna\u010duj\u00fa t\u00fdm, \u017ee:<\/p>\n<ul data-start=\"3947\" data-end=\"4265\">\n<li data-start=\"3947\" data-end=\"4012\">\n<p data-start=\"3949\" data-end=\"4012\"><strong data-start=\"3949\" data-end=\"3970\">Presn\u00e9 riadenie<\/strong> kombin\u00e1ci\u00ed v\u00fd\u0161ky p\u00e1du a hmotnosti.<\/p>\n<\/li>\n<li data-start=\"4013\" data-end=\"4098\">\n<p data-start=\"4015\" data-end=\"4098\"><strong data-start=\"4015\" data-end=\"4043\">Pou\u017e\u00edvate\u013esky pr\u00edvetiv\u00e9 rozhrania<\/strong> pre efekt\u00edvnu prev\u00e1dzku a spo\u013eahliv\u00e9 zaznamen\u00e1vanie \u00fadajov.<\/p>\n<\/li>\n<li data-start=\"4099\" data-end=\"4181\">\n<p data-start=\"4101\" data-end=\"4181\"><strong data-start=\"4101\" data-end=\"4125\">Mo\u017enosti prisp\u00f4sobenia<\/strong> pre \u0161peci\u00e1lne sk\u00fa\u0161obn\u00e9 vzorky a \u0161pecifick\u00e9 potreby priemyslu.<\/p>\n<\/li>\n<li data-start=\"4182\" data-end=\"4265\">\n<p data-start=\"4184\" data-end=\"4265\"><strong data-start=\"4184\" data-end=\"4211\">Mo\u017enosti automatiz\u00e1cie<\/strong> ktor\u00e9 zvy\u0161uj\u00fa konzistentnos\u0165 a zni\u017euj\u00fa po\u010det ch\u00fdb obsluhy.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4267\" data-end=\"4498\">D\u00f4veruj\u00fa n\u00e1m po celom svete <strong data-start=\"4288\" data-end=\"4395\">org\u00e1ny kontroly kvality, v\u00fdrobcovia obalov, v\u00fdskumn\u00e9 \u00fastavy a spolo\u010dnosti vyr\u00e1baj\u00face zdravotn\u00edcke pom\u00f4cky<\/strong>, Testovacie zariadenia spolo\u010dnosti Cell Instruments zaru\u010duj\u00fa, \u017ee va\u0161e v\u00fdrobky sp\u013a\u0148aj\u00fa najvy\u0161\u0161ie \u0161tandardy odolnosti a bezpe\u010dnosti.<\/p>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Tester n\u00e1razu padaj\u00facou \u0161\u00edpkou na platov\u00e9 f\u00f3lie a listy Met\u00f3da A a Met\u00f3da B ASTM D1709 ISO 7765-1\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/a3_9M0x3w7U?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<hr \/>\n<h2 data-start=\"4267\" data-end=\"4498\">Z\u00e1ver<\/h2>\n<p data-start=\"4522\" data-end=\"4846\">Str\u00e1nka <strong data-start=\"4526\" data-end=\"4546\">sk\u00fa\u0161ka p\u00e1dom z\u00e1\u0165a\u017ee<\/strong> je k\u013e\u00fa\u010dovou met\u00f3dou na stanovenie odolnosti f\u00f3li\u00ed, povlakov a obalov\u00fdch materi\u00e1lov proti n\u00e1razu. Dodr\u017eiavan\u00edm <strong data-start=\"4666\" data-end=\"4680\">ASTM D3420<\/strong> a doplnen\u00edm o <strong data-start=\"4708\" data-end=\"4733\">Sk\u00fa\u0161ka n\u00e1razom s padaj\u00facou gu\u013eou<\/strong>, v\u00fdrobcovia m\u00f4\u017eu spo\u013eahlivo pos\u00fadi\u0165 pevnos\u0165 materi\u00e1lu, zabezpe\u010di\u0165 s\u00falad s po\u017eiadavkami a zaru\u010di\u0165 v\u00fdkon pri kone\u010dnom pou\u017eit\u00ed.<\/p>\n<p data-start=\"4848\" data-end=\"5055\">S produktmi spolo\u010dnosti Cell Instruments\u2019 <strong data-start=\"47\" data-end=\"118\">spo\u013eahliv\u00e9, norm\u00e1m vyhovuj\u00face a prisp\u00f4sobite\u013en\u00e9 zariadenia na sk\u00fa\u0161ky p\u00e1dom z\u00e1\u0165a\u017ee<\/strong>, va\u0161a firma z\u00edska viac ne\u017e len vybavenie \u2014 z\u00edskate <strong data-start=\"178\" data-end=\"210\">partner v oblasti zabezpe\u010denia kvality<\/strong>. Na\u0161i testeri zabezpe\u010duj\u00fa <strong data-start=\"232\" data-end=\"264\">presn\u00e9 a opakovate\u013en\u00e9 v\u00fdsledky<\/strong>, prisp\u00f4sobia sa va\u0161im \u0161pecifick\u00fdm po\u017eiadavk\u00e1m na testovanie a s\u00fa vybaven\u00e9 <strong data-start=\"316\" data-end=\"364\">komplexn\u00e1 podpora a mo\u017enosti automatiz\u00e1cie<\/strong>. T\u00fdm sa zabezpe\u010duje <strong data-start=\"379\" data-end=\"454\">vy\u0161\u0161ia efekt\u00edvnos\u0165, lep\u0161ie dodr\u017eiavanie predpisov a v\u00e4\u010d\u0161ia d\u00f4vera z\u00e1kazn\u00edkov<\/strong> v ka\u017edom produkte, ktor\u00fd dod\u00e1vate.<\/p>","protected":false},"excerpt":{"rendered":"<p>Sk\u00fa\u0161ka p\u00e1dovou v\u00e1hou je \u0161iroko pou\u017e\u00edvan\u00e1 met\u00f3da na hodnotenie odolnosti plastov\u00fdch f\u00f3li\u00ed, lamin\u00e1tov a flexibiln\u00fdch obalov\u00fdch materi\u00e1lov proti n\u00e1razu. P\u00e1dom z\u00e1va\u017eia so zn\u00e1mou hmotnos\u0165ou z ur\u010denej v\u00fd\u0161ky sa pri tejto sk\u00fa\u0161ke simuluj\u00fa skuto\u010dn\u00e9 n\u00e1razy, s ktor\u00fdmi sa materi\u00e1ly m\u00f4\u017eu stretn\u00fa\u0165 po\u010das manipul\u00e1cie, prepravy alebo pou\u017e\u00edvania. Ako z\u00e1kladn\u00fd n\u00e1stroj kontroly kvality sa p\u00e1d ...<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/sk\/drop-weight-test\/\"> <span class=\"screen-reader-text\">Test p\u00e1dovej hmotnosti: ASTM D3420 Hodnotenie odolnosti proti n\u00e1razu<\/span> \u010c\u00edtajte viac \"<\/a><\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-7407","post","type-post","status-publish","format-standard","hentry","category-test-method"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/posts\/7407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/comments?post=7407"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/posts\/7407\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/media?parent=7407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/categories?post=7407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qualitester.com\/sk\/wp-json\/wp\/v2\/tags?post=7407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}