{"id":9454,"date":"2026-02-02T15:04:52","date_gmt":"2026-02-02T07:04:52","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=applications&#038;p=9454"},"modified":"2026-03-16T16:09:20","modified_gmt":"2026-03-16T08:09:20","slug":"top-load-testing","status":"publish","type":"applications","link":"https:\/\/www.packqc.com\/cs\/applications\/top-load-testing\/","title":{"rendered":"Testov\u00e1n\u00ed nejvy\u0161\u0161\u00edho zat\u00ed\u017een\u00ed"},"content":{"rendered":"<p><strong>Zkou\u0161ka horn\u00ed z\u00e1t\u011b\u017ee<\/strong> je kritick\u00e9 mechanick\u00e9 hodnocen\u00ed, kter\u00e9 slou\u017e\u00ed k ur\u010den\u00ed, jak velkou svislou tlakovou s\u00edlu m\u016f\u017ee z\u00e1sobn\u00edk vydr\u017eet, ne\u017e dojde k jeho deformaci nebo poru\u0161e. V pr\u016fmyslov\u00fdch odv\u011btv\u00edch, jako je v\u00fdroba obal\u016f, n\u00e1poj\u016f, potravin, l\u00e9\u010div a ka\u017edodenn\u00edch chemik\u00e1li\u00ed, jsou kontejnery vystaveny zat\u00ed\u017een\u00ed p\u0159i stohov\u00e1n\u00ed b\u011bhem pln\u011bn\u00ed, skladov\u00e1n\u00ed, p\u0159epravy a vystavov\u00e1n\u00ed v maloobchod\u011b. Pokud kontejner nem\u00e1 dostate\u010dnou svislou pevnost, m\u016f\u017ee doj\u00edt k probl\u00e9m\u016fm, jako jsou panelov\u00e1n\u00ed, vybo\u010den\u00ed nebo katastrofick\u00e9 zhroucen\u00ed.<\/p>\n\n\n\n<p>Pracovn\u00edk\u016fm kontroly kvality a balic\u00edm technik\u016fm poskytuje zkou\u0161ka horn\u00ed z\u00e1t\u011b\u017ee p\u0159\u00edm\u00fd, kvantifikovateln\u00fd pohled na v\u00fdkonnost kontejneru v re\u00e1ln\u00fdch podm\u00ednk\u00e1ch stla\u010den\u00ed. Ve spole\u010dnosti Cell Instruments hraje testov\u00e1n\u00ed horn\u00edho zat\u00ed\u017een\u00ed \u00fast\u0159edn\u00ed roli p\u0159i ov\u011b\u0159ov\u00e1n\u00ed robustnosti konstrukce, optimalizaci vyu\u017eit\u00ed materi\u00e1lu a udr\u017eov\u00e1n\u00ed konzistentn\u00ed kvality v\u00fdrobk\u016f ve v\u0161ech v\u00fdrobn\u00edch \u0161ar\u017e\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je test horn\u00edho zat\u00ed\u017een\u00ed d\u016fle\u017eit\u00fd pro lahve a kontejnery?<\/h2>\n\n\n\n<p>V praktick\u00fdch aplikac\u00edch doch\u00e1z\u00ed k selh\u00e1n\u00ed kontejner\u016f pouze v d\u016fsledku vnit\u0159n\u00edho tlaku jen z\u0159\u00eddka. \u010cast\u011bji doch\u00e1z\u00ed k selh\u00e1n\u00ed pod vlivem <strong>stohov\u00e1n\u00ed n\u00e1kladu<\/strong>, zejm\u00e9na pro lehk\u00e9 PET lahve a tenkost\u011bnn\u00e9 plastov\u00e9 nebo sklen\u011bn\u00e9 n\u00e1doby. V\u00fdrobc\u016fm pom\u00e1h\u00e1 spr\u00e1vn\u011b proveden\u00fd test horn\u00edho zat\u00ed\u017een\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ov\u011b\u0159te, zda konstrukce kontejneru spl\u0148uje po\u017eadavky na stohov\u00e1n\u00ed a distribuci.<\/li>\n\n\n\n<li>porovn\u00e1v\u00e1n\u00ed r\u016fzn\u00fdch materi\u00e1l\u016f, p\u0159edlisk\u016f nebo konstruk\u010dn\u00edch geometri\u00ed.<\/li>\n\n\n\n<li>Detekce procesn\u00edch odchylek p\u0159i vyfukov\u00e1n\u00ed nebo tv\u00e1\u0159en\u00ed<\/li>\n\n\n\n<li>Podpora rozhodnut\u00ed o p\u0159ijet\u00ed nebo odm\u00edtnut\u00ed p\u0159i kontrole kvality<\/li>\n<\/ul>\n\n\n\n<p>Vzhledem k tomu, \u017ee chov\u00e1n\u00ed p\u0159i svisl\u00e9m stla\u010den\u00ed z\u00e1vis\u00ed na tv\u00e1rnosti materi\u00e1lu, rozlo\u017een\u00ed tlou\u0161\u0165ky st\u011bny a geometrii, poskytuj\u00ed v\u00fdsledky zkou\u0161ek p\u0159i horn\u00edm zat\u00ed\u017een\u00ed cenn\u00e9 vod\u00edtko p\u0159i v\u00fdvoji v\u00fdrobku a s\u00e9riov\u00e9 v\u00fdrob\u011b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tester horn\u00edho zat\u00ed\u017een\u00ed pro PET lahve, stroj pro testov\u00e1n\u00ed horn\u00edho zat\u00ed\u017een\u00ed, ASTM D2659, ISO 8113<\/h2>\n\n\n\n<p>A <strong>tester horn\u00edho zat\u00ed\u017een\u00ed pro PET lahve<\/strong> nebo jin\u00fdch n\u00e1dob je p\u0159esn\u00fd n\u00e1stroj ur\u010den\u00fd k p\u016fsoben\u00ed \u0159\u00edzen\u00e9 svisl\u00e9 s\u00edly pod\u00e9l st\u0159edov\u00e9 osy n\u00e1doby. Na adrese <strong>stroj pro testov\u00e1n\u00ed horn\u00edho zat\u00ed\u017een\u00ed<\/strong> m\u011b\u0159\u00ed s\u00edlu a posun p\u0159i stla\u010dov\u00e1n\u00ed vzorku mezi dv\u011bma rovnob\u011b\u017en\u00fdmi deskami.<\/p>\n\n\n\n<p>Mezin\u00e1rodn\u00ed normy definuj\u00ed, jak by m\u011bl b\u00fdt tento test prov\u00e1d\u011bn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ASTM D2659<\/strong> se zam\u011b\u0159uje na vlastnosti vyfukovan\u00fdch termoplastick\u00fdch n\u00e1dob p\u0159i tlakov\u00e9m lisov\u00e1n\u00ed ve sloupci. Klade d\u016fraz na tlakov\u00e9 zat\u00ed\u017een\u00ed konstantn\u00ed rychlost\u00ed a definuje kl\u00ed\u010dov\u00e9 parametry, jako je mez kluzu p\u0159i tla\u010den\u00ed, tlakov\u00e9 zat\u00ed\u017een\u00ed p\u0159i poru\u0161en\u00ed, pr\u016fhyb a zd\u00e1nliv\u00e1 tlakov\u00e1 tuhost. Norma zd\u016fraz\u0148uje, \u017ee rychlost zkou\u0161en\u00ed mus\u00ed z\u016fstat konstantn\u00ed a \u017ee pro z\u00edsk\u00e1n\u00ed spolehliv\u00fdch v\u00fdsledk\u016f je nezbytn\u00e9 spr\u00e1vn\u00e9 vyrovn\u00e1n\u00ed a odvzdu\u0161n\u011bn\u00ed.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ISO 8113<\/strong> specifikuje metodu pro stanoven\u00ed odolnosti sklen\u011bn\u00fdch n\u00e1dob proti svisl\u00e9mu zat\u00ed\u017een\u00ed. Klade d\u016fraz na teplotn\u00ed st\u00e1lost, p\u0159esn\u00e9 vycentrov\u00e1n\u00ed n\u00e1doby, pou\u017eit\u00ed ochrann\u00fdch podlo\u017eek a kontrolovan\u00e9 p\u016fsoben\u00ed s\u00edly. Jsou pops\u00e1ny jak zkou\u0161ky pr\u016fchodnosti, tak postupn\u00e9 zkou\u0161ky v z\u00e1vislosti na tom, zda je c\u00edlem ov\u011b\u0159en\u00ed shody nebo stanoven\u00ed mezn\u00ed pevnosti.<\/li>\n<\/ul>\n\n\n\n<p>Slad\u011bn\u00edm zku\u0161ebn\u00edch postup\u016f s normami ASTM D2659 a ISO 8113 mohou laborato\u0159e zajistit opakovateln\u00e9, srovnateln\u00e9 a mezin\u00e1rodn\u011b uzn\u00e1van\u00e9 v\u00fdsledky zkou\u0161ek horn\u00edho zat\u00ed\u017een\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 parametry testu p\u0159i horn\u00edm zat\u00ed\u017een\u00ed<\/h2>\n\n\n\n<p>V\u00fdsledek zkou\u0161ky horn\u00edho zat\u00ed\u017een\u00ed v\u00fdrazn\u011b ovliv\u0148uje n\u011bkolik parametr\u016f:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li><strong>Testovac\u00ed rychlost:<\/strong><br><a href=\"https:\/\/store.astm.org\/d2659-16r23.htm\" rel=\"nofollow noopener\" target=\"_blank\">ASTM D2659<\/a> doporu\u010duje \u0159\u00edzenou a konstantn\u00ed rychlost stla\u010dov\u00e1n\u00ed, b\u011b\u017en\u011b kolem 25 mm\/min, aby byla vyv\u00e1\u017eena p\u0159esnost a opakovatelnost.<\/li>\n\n\n\n<li><strong>Zarovn\u00e1n\u00ed:<\/strong><br>Osa z\u00e1sobn\u00edku se mus\u00ed shodovat s osou zat\u00ed\u017een\u00ed zkou\u0161e\u010dky. Nesouosost m\u016f\u017ee v\u00fdrazn\u011b zkreslit v\u00fdsledky zkou\u0161ky.<\/li>\n\n\n\n<li><strong>Odv\u011btr\u00e1v\u00e1n\u00ed:<\/strong><br>U uzav\u0159en\u00fdch plastov\u00fdch lahv\u00ed zabra\u0148uje odvzdu\u0161n\u011bn\u00ed n\u00e1r\u016fstu vnit\u0159n\u00edho tlaku, kter\u00fd by mohl ovlivnit \u00fadaje o zat\u00ed\u017een\u00ed nebo p\u0159edstavovat bezpe\u010dnostn\u00ed riziko.<\/li>\n\n\n\n<li><strong>Testovac\u00ed re\u017eim:<\/strong><br>Zkou\u0161kou pr\u016fchodnosti se ov\u011b\u0159uje, zda n\u00e1doba vydr\u017e\u00ed stanoven\u00e9 zat\u00ed\u017een\u00ed, zat\u00edmco p\u0159i postupn\u00e9 zkou\u0161ce se s\u00edla zvy\u0161uje a\u017e do selh\u00e1n\u00ed, aby se ur\u010dila mez pevnosti.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\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=\"TLT-01 Zku\u0161ebn\u00ed stroj na horn\u00ed zat\u00ed\u017een\u00ed PET lahv\u00ed\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/uz56LQCckII?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<\/div>\n<\/div>\n\n\n\n<p>Pochopen\u00ed a kontrola t\u011bchto prom\u011bnn\u00fdch zaji\u0161\u0165uje, \u017ee test nejvy\u0161\u0161\u00ed z\u00e1t\u011b\u017ee odr\u00e1\u017e\u00ed skute\u010dn\u00fd v\u00fdkon, nikoliv artefakty testu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Typick\u00e1 data z\u00edskan\u00e1 p\u0159i testov\u00e1n\u00ed nejvy\u0161\u0161\u00edho zat\u00ed\u017een\u00ed<\/h2>\n\n\n\n<p>Spr\u00e1vn\u011b proveden\u00fd test horn\u00edho zat\u00ed\u017een\u00ed generuje cenn\u00e9 mechanick\u00e9 \u00fadaje, v\u010detn\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mez kluzu p\u0159i drcen\u00ed<\/li>\n\n\n\n<li>Drtiv\u00e9 zat\u00ed\u017een\u00ed p\u0159i poru\u0161e<\/li>\n\n\n\n<li>Pr\u016fhyb p\u0159i v\u00fdt\u011b\u017enosti<\/li>\n\n\n\n<li>K\u0159ivka z\u00e1vislosti zat\u00ed\u017een\u00ed na pr\u016fhybu a zd\u00e1nliv\u00e1 tuhost<\/li>\n<\/ul>\n\n\n\n<p>Tyto v\u00fdsledky podporuj\u00ed porovn\u00e1v\u00e1n\u00ed n\u00e1vrh\u016f, statistickou kontrolu kvality a dlouhodobou optimalizaci proces\u016f. P\u0159i testov\u00e1n\u00ed v\u00edce vzork\u016f pom\u00e1haj\u00ed pr\u016fm\u011brn\u00e9 hodnoty a sm\u011brodatn\u00e1 odchylka kvantifikovat konzistenci v\u00fdroby.<\/p>","protected":false},"featured_media":9462,"parent":0,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","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":"disabled","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":""}}},"class_list":["post-9454","applications","type-applications","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/applications\/9454","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\/9462"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}