{"id":9878,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d2659\/"},"modified":"2026-03-12T09:35:43","modified_gmt":"2026-03-12T01:35:43","slug":"astm-d2659","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/astm-d2659\/","title":{"rendered":"ASTM D2659"},"content":{"rendered":"<p>Norma ASTM D2659 se zam\u011b\u0159uje na <strong>zkou\u0161ka tlakem na sloup p\u0159i konstantn\u00ed m\u00ed\u0159e pr\u016fhybu v tlaku<\/strong>. A\u010dkoli byl tento postup p\u016fvodn\u011b vyvinut pro vyfukovan\u00e9 n\u00e1doby, lze jej pou\u017e\u00edt i pro n\u00e1doby vyroben\u00e9 tepeln\u00fdm tvarov\u00e1n\u00edm nebo vst\u0159ikov\u00e1n\u00edm, pokud geometrie umo\u017e\u0148uje spr\u00e1vn\u00e9 vyrovn\u00e1n\u00ed a zat\u00ed\u017een\u00ed.<\/p>\n\n\n\n<p>Norma hodnot\u00ed, jak z\u00e1sobn\u00edk odol\u00e1v\u00e1 svisl\u00e9mu stla\u010den\u00ed pod\u00e9l sv\u00e9 st\u0159edov\u00e9 osy. Tato podm\u00ednka zat\u00ed\u017een\u00ed v\u011brn\u011b odr\u00e1\u017e\u00ed skute\u010dn\u00e9 nam\u00e1h\u00e1n\u00ed p\u0159i stohov\u00e1n\u00ed palet nebo hromad\u011bn\u00ed na dopravn\u00edku. Vzhledem k tomuto v\u00fdznamu se norma ASTM D2659 stala referen\u010dn\u00ed metodou v oblasti kontroly kvality PET lahv\u00ed a v\u00fdzkumu a v\u00fdvoje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je norma ASTM D2659 d\u016fle\u017eit\u00e1 pro kontrolu kvality PET lahv\u00ed?<\/h2>\n\n\n\n<p>Norma ASTM D2659 se nesna\u017e\u00ed simulovat v\u0161echny re\u00e1ln\u00e9 podm\u00ednky. M\u00edsto toho poskytuje <strong>srovnateln\u00e9 a opakovateln\u00e9 \u00fadaje<\/strong> za definovan\u00fdch laboratorn\u00edch podm\u00ednek. Podle normy v\u00fdsledky drcen\u00ed sloupce podporuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u00fdzkum a v\u00fdvoj<\/strong>, jako je odleh\u010dov\u00e1n\u00ed PET lahv\u00ed<\/li>\n\n\n\n<li><strong>Hodnocen\u00ed n\u00e1vrhu<\/strong>, porovn\u00e1n\u00ed r\u016fzn\u00fdch geometri\u00ed kontejner\u016f<\/li>\n\n\n\n<li><strong>Kontrola kvality<\/strong>, co\u017e zaji\u0161\u0165uje konzistenci jednotliv\u00fdch \u0161ar\u017e\u00ed<\/li>\n\n\n\n<li><strong>P\u0159ijet\u00ed nebo odm\u00edtnut\u00ed<\/strong> v technick\u00fdch specifikac\u00edch<\/li>\n<\/ul>\n\n\n\n<p>Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee v\u00fdsledky z\u00edskan\u00e9 podle normy ASTM D2659 plat\u00ed pouze pro podobn\u00e9 \u010dasov\u00e9 podm\u00ednky zat\u00ed\u017een\u00ed. Pokud jsou kontejnery dlouhodob\u011b zat\u011b\u017eov\u00e1ny nebo vystaveny n\u00e1raz\u016fm, m\u011bly by b\u00fdt \u00fadaje o drcen\u00ed sloup\u016f dopln\u011bny dal\u0161\u00edmi zkou\u0161kami, jako je zkou\u0161ka te\u010den\u00ed nebo n\u00e1razov\u00e1 zkou\u0161ka.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 mechanick\u00e9 vlastnosti definovan\u00e9 v norm\u011b ASTM D2659<\/h2>\n\n\n\n<p>Norma ASTM D2659 specifikuje n\u011bkolik d\u016fle\u017eit\u00fdch parametr\u016f, kter\u00e9 popisuj\u00ed chov\u00e1n\u00ed sloupu v tlaku:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mez kluzu p\u0159i drcen\u00ed<\/strong> - zat\u00ed\u017een\u00ed, p\u0159i kter\u00e9m se zv\u011bt\u0161uje pr\u016fhyb bez odpov\u00eddaj\u00edc\u00edho zv\u011bt\u0161en\u00ed s\u00edly.<\/li>\n\n\n\n<li><strong>Pr\u016fhyb p\u0159i tlakov\u00e9 \u00fanosnosti<\/strong> - svisl\u00e1 deformace v bod\u011b kluzu<\/li>\n\n\n\n<li><strong>Drtiv\u00e9 zat\u00ed\u017een\u00ed p\u0159i poru\u0161e<\/strong> - maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed p\u0159ed prasknut\u00edm nebo zhroucen\u00edm, pokud je to vhodn\u00e9.<\/li>\n\n\n\n<li><strong>Zjevn\u00e1 tuhost v tlaku<\/strong> - sklon po\u010d\u00e1te\u010dn\u00ed line\u00e1rn\u00ed \u010d\u00e1sti k\u0159ivky z\u00e1vislosti zat\u00ed\u017een\u00ed na pr\u016fhybu.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-82764ef8 wp-block-group-is-layout-constrained\">\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<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=\"Zkou\u0161ka tlakov\u00e9 s\u00edly p\u0159i horn\u00edm zat\u00ed\u017een\u00ed l\u00e1hve | Zkou\u0161ka drtivosti pro PET l\u00e1hev\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/8DK9Vmq51K4?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<\/div>\n\n\n\n<p>K\u0159ehk\u00e9 materi\u00e1ly \u010dasto selh\u00e1vaj\u00ed n\u00e1hle, tak\u017ee mez kluzu v tlaku se rovn\u00e1 zat\u00ed\u017een\u00ed p\u0159i poru\u0161e. Ta\u017en\u00e9 PET kontejnery obvykle vykazuj\u00ed z\u0159etelnou oblast meze kluzu, kter\u00e1 poskytuje cenn\u00e9 informace o odolnosti konstrukce.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rychlost testov\u00e1n\u00ed a jej\u00ed vliv na v\u00fdsledky<\/h2>\n\n\n\n<p>Norma ASTM D2659 p\u0159esn\u011b definuje <strong>rychlost testov\u00e1n\u00ed<\/strong>, proto\u017ee rychlost zkou\u0161en\u00ed p\u0159\u00edmo ovliv\u0148uje nam\u011b\u0159en\u00e9 tlakov\u00e9 vlastnosti. Norma specifikuje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Konstantn\u00ed rychlost v r\u00e1mci <strong>\u00b110% varianta<\/strong><\/li>\n\n\n\n<li>P\u0159ijateln\u00fd rozsah <strong>12,5 a\u017e 50 mm\/min<\/strong><\/li>\n\n\n\n<li>B\u011b\u017en\u011b pou\u017e\u00edvan\u00e1 referen\u010dn\u00ed rychlost <strong>25 \u00b1 2,5 mm\/min<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Kruhov\u00e9 studie citovan\u00e9 v norm\u011b ASTM D2659 ukazuj\u00ed sn\u00ed\u017eenou p\u0159esnost mimo tento rozsah. U nov\u00fdch konstrukc\u00ed PET lahv\u00ed testov\u00e1n\u00ed p\u0159i v\u00edce rychlostech \u010dasto odhal\u00ed, jak rychlost deformace ovliv\u0148uje v\u00fdkonnost, co\u017e je zvl\u00e1\u0161t\u011b cenn\u00e9 p\u0159i optimalizaci balen\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Postup testov\u00e1n\u00ed nejvy\u0161\u0161\u00edho zat\u00ed\u017een\u00ed a sb\u011br dat<\/h2>\n\n\n\n<p>P\u0159i zkou\u0161ce podle normy ASTM D2659 um\u00edst\u00ed obsluha vzorek mezi desky a p\u016fsob\u00ed na n\u011bj tlakovou silou p\u0159i zvolen\u00e9 rychlosti. Spr\u00e1vn\u00e9 odvzdu\u0161n\u011bn\u00ed n\u00e1doby je nezbytn\u00e9, aby nedoch\u00e1zelo k n\u00e1r\u016fstu vnit\u0159n\u00edho tlaku, kter\u00fd m\u016f\u017ee ovlivnit p\u0159esnost a bezpe\u010dnost.<\/p>\n\n\n\n<p>Pokud je vy\u017eadov\u00e1na \u00fapln\u00e1 charakterizace, test zaznamen\u00e1. <strong>k\u0159ivka z\u00e1vislosti zat\u00ed\u017een\u00ed na pr\u016fhybu<\/strong> a\u017e do v\u00fdnosu nebo selh\u00e1n\u00ed. Tato k\u0159ivka umo\u017e\u0148uje v\u00fdpo\u010det tuhosti a identifikaci struktur\u00e1ln\u00edch p\u0159echod\u016f. Pro b\u011b\u017enou kontrolu kvality se n\u011bkte\u0159\u00ed u\u017eivatel\u00e9 zam\u011b\u0159uj\u00ed pouze na mez kluzu p\u0159i drcen\u00ed, kter\u00e1 st\u00e1le poskytuje siln\u00fd ukazatel konzistence n\u00e1doby.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Interpretace v\u00fdsledk\u016f pro kontrolu kvality a n\u00e1vrh<\/h2>\n\n\n\n<p>\u00dadaje normy ASTM D2659 podporuj\u00ed v\u00edce c\u00edl\u016f, v\u010detn\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Srovn\u00e1n\u00ed proveden\u00ed lahv\u00ed nebo t\u0159\u00edd prysky\u0159ice<\/li>\n\n\n\n<li>Sledov\u00e1n\u00ed stability v\u00fdroby nap\u0159\u00ed\u010d formovac\u00edmi d\u00e1vkami<\/li>\n\n\n\n<li>Stanoven\u00ed krit\u00e9ri\u00ed pro p\u0159ijet\u00ed nebo odm\u00edtnut\u00ed<\/li>\n\n\n\n<li>Podpora optimalizace v\u00fdzkumu a v\u00fdvoje lehk\u00fdch kontejner\u016f<\/li>\n<\/ul>\n\n\n\n<p>Norma zd\u016fraz\u0148uje, \u017ee v\u00fdsledky plat\u00ed pouze pro podm\u00ednky podobn\u00e9 zku\u0161ebn\u00edmu uspo\u0159\u00e1d\u00e1n\u00ed. Pro aplikace zahrnuj\u00edc\u00ed dlouhodob\u00e9 zat\u00ed\u017een\u00ed nebo dynamick\u00e9 nam\u00e1h\u00e1n\u00ed jsou i nad\u00e1le nezbytn\u00e9 dopl\u0148kov\u00e9 zkou\u0161ky, jako je creep nebo r\u00e1z.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdb\u011br spr\u00e1vn\u00e9ho za\u0159\u00edzen\u00ed pro testov\u00e1n\u00ed podle normy ASTM D2659<\/h2>\n\n\n\n<p>Spolehliv\u00e9 proveden\u00ed <a href=\"https:\/\/store.astm.org\/d2659-16r23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D2659<\/a> z\u00e1vis\u00ed na p\u0159esn\u00e9m \u0159\u00edzen\u00ed s\u00edly, posunu a rychlosti. Na str\u00e1nk\u00e1ch <strong>Bun\u011b\u010dn\u00e9 n\u00e1stroje <a href=\"https:\/\/www.packqc.com\/cs\/products\/top-load-tester-bottle-crush-testing-machine\/\">TLT-01 Top Load Tester<\/a><\/strong> podporuje zkou\u0161ku tlakem na sloup a zkou\u0161ku horn\u00edho zat\u00ed\u017een\u00ed t\u00edm, \u017ee poskytuje stabiln\u00ed stla\u010den\u00ed, p\u0159esn\u00e9 m\u011b\u0159en\u00ed posunut\u00ed a flexibiln\u00ed nastaven\u00ed rychlosti v cel\u00e9m rozsahu ASTM D2659 i mimo n\u011bj. Jej\u00ed princip vertik\u00e1ln\u00edho zat\u00ed\u017een\u00ed odpov\u00edd\u00e1 po\u017eadavk\u016fm normy a z\u00e1rove\u0148 vyhovuje r\u016fzn\u00fdm v\u00fd\u0161k\u00e1m a pr\u016fm\u011br\u016fm PET lahv\u00ed.<\/p>\n\n\n\n<p>Laborato\u0159\u00edm, kter\u00e9 hledaj\u00ed opakovateln\u00e9 v\u00fdsledky zkou\u0161ek stla\u010dov\u00e1n\u00ed PET lahv\u00ed, pom\u00e1h\u00e1 takov\u00e9 za\u0159\u00edzen\u00ed p\u0159ev\u00e9st normu ASTM D2659 z p\u00edsemn\u00e9 normy na konzistentn\u00ed a kontrolovateln\u00e9 \u00fadaje.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D2659 focuses on column crush testing under a constant rate of compressive deflection. Although it was originally developed for blow-molded containers, the procedure also applies to containers made by thermoforming or injection molding, provided the geometry allows proper alignment and loading. The standard evaluates how a container resists vertical compression along its central axis. [&hellip;]<\/p>","protected":false},"featured_media":9659,"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":""}}},"standard-category":[],"class_list":["post-9878","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/9878","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\/9659"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9878"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=9878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}