{"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\/lt\/drop-weight-test\/","title":{"rendered":"Kritimo svorio bandymas: ASTM D3420 Atsparumo sm\u016bgiams vertinimas"},"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=\"krentan\u010dio svorio bandymas\" width=\"311\" height=\"311\" \/>Svetain\u0117 <strong data-start=\"520\" data-end=\"540\">krentan\u010dio svorio bandymas<\/strong> yra pla\u010diai taikomas metodas, skirtas \u012fvertinti <strong data-start=\"581\" data-end=\"664\">plastiko pl\u0117veli\u0173, laminat\u0173 ir lanks\u010di\u0173 pakavimo med\u017eiag\u0173 atsparumas sm\u016bgiams<\/strong>. \u0160io bandymo metu i\u0161 nustatyto auk\u0161\u010dio nuleid\u017eiamas \u017einomos mas\u0117s svoris, taip imituojant realias sm\u016bgi\u0173 s\u0105lygas, su kuriomis med\u017eiagos gali susidurti jas tvarkant, gabenant ar naudojant.<\/p>\n<p data-start=\"840\" data-end=\"1118\">Kaip pagrindin\u0117 kokyb\u0117s kontrol\u0117s priemon\u0117, kritimo svorio bandymas suteikia gamintojams ir laboratorijoms <strong data-start=\"945\" data-end=\"966\">kiekybi\u0161kai \u012fvertinami duomenys<\/strong> d\u0117l med\u017eiag\u0173 tvirtumo ir ilgaam\u017ei\u0161kumo, u\u017etikrinant, kad gaminiai atitikt\u0173 eksploatacinius reikalavimus ir atitikt\u0173 tarptautinius standartus, pavyzd\u017eiui, <strong data-start=\"1101\" data-end=\"1115\">ASTM D3420<\/strong>.<\/p>\n<hr \/>\n<h2 data-start=\"840\" data-end=\"1118\">Suprasti <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D3420<\/a> skirtas kritimo svorio bandymui<\/h2>\n<p data-start=\"1177\" data-end=\"1534\">Svetain\u0117 <strong data-start=\"1181\" data-end=\"1204\">ASTM D3420 standartas<\/strong> nustato plastikin\u0117s pl\u0117vel\u0117s atsparumo sm\u016bgiams, kur\u012f sukelia laisvai krintantis str\u0117lyt\u0117, matavimo metod\u0105, da\u017enai vadinam\u0105 <strong data-start=\"1323\" data-end=\"1343\">\u201eDart\u201c sm\u016bgio bandymas<\/strong>. Atliekant \u0161\u012f bandym\u0105, pusrutulio formos smogtuvas metamas ant pl\u0117vel\u0117s bandinio, kol \u0161is sugenda; taip nustatomas med\u017eiagos atsparumas sm\u016bgiui, kai ji nesuply\u0161ta ir nesuply\u0161ta.<\/p>\n<p data-start=\"1536\" data-end=\"1573\">Pagrindiniai ASTM D3420 standarto elementai yra \u0161ie:<\/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\">Tyrimo m\u0117ginio paruo\u0161imas:<\/strong> Prie\u0161 bandym\u0105 pl\u0117vel\u0117s turi b\u016bti supjaustytos reikiamo dyd\u017eio ir paruo\u0161tos.<\/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\">\u201eDart\u201c tipai:<\/strong> Apibr\u0117\u017eti du metodai (A ir B), kuriuose naudojami skirtingo svorio str\u0117lyt\u0117s.<\/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\">Nes\u0117km\u0117s kriterijai:<\/strong> Pl\u0117vel\u0117s pa\u017eeidimas apibr\u0117\u017eiamas kaip bet koks matomas pradurimas ar \u012fpl\u0117\u0161imas, kur\u012f suk\u0117l\u0117 str\u0117l\u0117.<\/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\">Rezultato i\u0161rai\u0161ka:<\/strong> Rezultatai i\u0161rei\u0161kiami kaip str\u0117l\u0117s svoris, kurio reikia, kad str\u0117l\u0117 \u012fstrigt\u0173 bent 50% kart\u0173 i\u0161 vis\u0173 bandym\u0173.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1986\" data-end=\"2101\">Atitiktis ASTM D3420 standartui u\u017etikrina bandym\u0173 rezultat\u0173 nuoseklum\u0105, pakartojamum\u0105 ir tarptautin\u012f pripa\u017einim\u0105.<\/p>\n<hr \/>\n<h2 data-start=\"1986\" data-end=\"2101\">\u201eDrop Ball\u201c sm\u016bgio bandymas praktiniam pritaikymui<\/h2>\n<p data-start=\"2163\" data-end=\"2484\">Svetain\u0117 <strong data-start=\"2167\" data-end=\"2192\">Kritimo su kamuoliu sm\u016bgio bandymas<\/strong> yra dar vienas svarbus metodas, skirtas med\u017eiag\u0173, ypa\u010d dang\u0173, kiet\u0173j\u0173 plastik\u0173 ir pakavimo talpykl\u0173, atsparumui sm\u016bgiui \u012fvertinti. Taikant \u0161\u012f metod\u0105, nustatyto skersmens plieninis rutulys i\u0161 kontroliuojamo auk\u0161\u010dio numetamas ant bandomojo bandinio, o po to \u012fvertinami atsirad\u0119 pa\u017eeidimai.<\/p>\n<p data-start=\"2486\" data-end=\"2538\">\u201eDrop Ball\u201c sm\u016bgio bandymo taikymo sritys apima:<\/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\">Dangos:<\/strong> Sukibimo ir atsparumo \u012ftr\u016bkimams ar sluoksni\u0173 atsiskyrimui tikrinimas.<\/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\">Pakuot\u0117:<\/strong> Plastikini\u0173 buteli\u0173, kartonini\u0173 pakuo\u010di\u0173 ir talpykl\u0173 patvarumo tikrinimas juos tvarkant.<\/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 ir medicinos prietaisai:<\/strong> Apsaugini\u0173 korpus\u0173 ir pakuo\u010di\u0173 patikimumo vertinimas.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2817\" data-end=\"2996\">Tiek <strong data-start=\"2826\" data-end=\"2846\">krentan\u010dio svorio bandymas<\/strong> ir <strong data-start=\"2855\" data-end=\"2880\">krentan\u010dio rutulio sm\u016bgio bandymas<\/strong> veikia kaip vienas kit\u0105 papildantys metodai, suteikiantys vertingos informacijos apie skirtingas med\u017eiag\u0173 savybes veikiant staigiai atsirandan\u010diai j\u0117gai.<\/p>\n<hr \/>\n<h2 data-start=\"2817\" data-end=\"2996\">Kod\u0117l svarbu atlikti svorio kritimo bandymus<\/h2>\n<p data-start=\"3041\" data-end=\"3112\">Svarba <strong data-start=\"3063\" data-end=\"3083\">krentan\u010dio svorio bandymas<\/strong> apima \u012fvairias pramon\u0117s \u0161akas:<\/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\">Pakuo\u010di\u0173 pramon\u0117:<\/strong> U\u017etikrina, kad pl\u0117vel\u0117s ir lankst\u016bs laminatai apsaugot\u0173 produktus perve\u017eimo metu.<\/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\">Maistas ir g\u0117rimai:<\/strong> Patikrina mai\u0161eli\u0173 ir pl\u0117velini\u0173 pakuo\u010di\u0173 patvarum\u0105 esant apkrovai.<\/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\">Farmacija ir medicina:<\/strong> U\u017etikrina, kad pakuot\u0117 i\u0161likt\u0173 nesugadinta, taip apsaugodama jautrius produktus.<\/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\">Tekstil\u0117 ir klijai:<\/strong> Vertina padengt\u0173 audini\u0173 ir klijuot\u0173 med\u017eiag\u0173 atsparum\u0105 sm\u016bgiams.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3520\" data-end=\"3703\">Laiku nustatydami tr\u016bkumus, gamintojai gali pakoreguoti med\u017eiag\u0173 pasirinkim\u0105 arba konstrukcij\u0105, taip <strong data-start=\"3616\" data-end=\"3700\">produkt\u0173 gedim\u0173 ma\u017einimas, atliek\u0173 kiekio ma\u017einimas ir klient\u0173 pasitenkinimo didinimas<\/strong>.<\/p>\n<hr \/>\n<h2 data-start=\"3520\" data-end=\"3703\"><a href=\"https:\/\/www.qualitester.com\/lt\/\">\"Cell Instruments<\/a> Svorio metimo bandym\u0173 sprendimai<\/h2>\n<p data-start=\"3760\" data-end=\"3945\">Svetain\u0117je <strong data-start=\"3763\" data-end=\"3783\">\"Cell Instruments<\/strong>, si\u016blome pa\u017eangias <strong data-start=\"3805\" data-end=\"3828\">svorio metimo bandymo \u012frenginiai<\/strong> sukurta siekiant u\u017etikrinti tikslum\u0105, pakartojamum\u0105 ir atitikt\u012f tokiems standartams kaip <strong data-start=\"3905\" data-end=\"3919\">ASTM D3420<\/strong>. M\u016bs\u0173 sprendim\u0173 ypatyb\u0117s:<\/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\">Tikslus valdymas<\/strong> krito auk\u0161\u010dio ir svorio derini\u0173.<\/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\">Vartotojui patogios s\u0105sajos<\/strong> siekiant u\u017etikrinti veiksming\u0105 veikim\u0105 ir patikim\u0105 duomen\u0173 registravim\u0105.<\/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\">Pritaikomos parinktys<\/strong> skirti specialiesiems bandiniams ir unikaliems pramon\u0117s poreikiams.<\/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\">Automatizavimo galimyb\u0117s<\/strong> kurios padidina nuoseklum\u0105 ir suma\u017eina operatoriaus klaid\u0173 tikimyb\u0119.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4267\" data-end=\"4498\">Jais pasitiki visame pasaulyje <strong data-start=\"4288\" data-end=\"4395\">kokyb\u0117s tikrinimo \u012fstaigos, pakuo\u010di\u0173 gamintojai, mokslini\u0173 tyrim\u0173 institutai ir medicinos prietais\u0173 gamintojai<\/strong>, \u2019Cell Instruments\u201c bandymo \u012frenginiai u\u017etikrina, kad j\u016bs\u0173 produktai atitikt\u0173 auk\u0161\u010diausius patvarumo ir saugos standartus.<\/p>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"A ir B metodai ASTM D1709 ISO 7765-1 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\">I\u0161vada<\/h2>\n<p data-start=\"4522\" data-end=\"4846\">Svetain\u0117 <strong data-start=\"4526\" data-end=\"4546\">krentan\u010dio svorio bandymas<\/strong> yra esminis metodas, skirtas pl\u0117veli\u0173, dang\u0173 ir pakavimo med\u017eiag\u0173 atsparumui sm\u016bgiams nustatyti. Laikantis <strong data-start=\"4666\" data-end=\"4680\">ASTM D3420<\/strong> ir papildant <strong data-start=\"4708\" data-end=\"4733\">Kritimo su kamuoliu sm\u016bgio bandymas<\/strong>, gamintojai gali u\u017etikrintai \u012fvertinti med\u017eiagos stiprum\u0105, u\u017etikrinti atitikt\u012f reikalavimams ir u\u017etikrinti galutinio naudojimo savybes.<\/p>\n<p data-start=\"4848\" data-end=\"5055\">Naudojant \u2019Cell Instruments\u201c <strong data-start=\"47\" data-end=\"118\">patikimi, standartus atitinkantys ir pritaikomi kritimo svorio bandymo \u012frenginiai<\/strong>, j\u016bs\u0173 \u012fmon\u0117 \u012fgyja ne tik \u012frang\u0105 \u2014 j\u016bs \u012fgyjate <strong data-start=\"178\" data-end=\"210\">kokyb\u0117s u\u017etikrinimo partneris<\/strong>. M\u016bs\u0173 testuotojai u\u017etikrina <strong data-start=\"232\" data-end=\"264\">tiksl\u016bs, pakartojami rezultatai<\/strong>, pritaikomos prie j\u016bs\u0173 individuali\u0173 testavimo poreiki\u0173 ir turi <strong data-start=\"316\" data-end=\"364\">visapusi\u0161ka parama ir automatizavimo galimyb\u0117s<\/strong>. Tai u\u017etikrina, kad <strong data-start=\"379\" data-end=\"454\">didesnis efektyvumas, grie\u017etesnis reikalavim\u0173 laikymasis ir didesnis klient\u0173 pasitik\u0117jimas<\/strong> kiekviename j\u016bs\u0173 pristatomame produkte.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kritimo svorio bandymas yra pla\u010diai naudojamas metodas plastikini\u0173 pl\u0117veli\u0173, laminat\u0173 ir lanks\u010di\u0173 pakavimo med\u017eiag\u0173 atsparumui sm\u016bgiams \u012fvertinti. Atliekant \u0161\u012f bandym\u0105 i\u0161 tam tikro auk\u0161\u010dio numetant \u017einomos mas\u0117s svor\u012f imituojami real\u016bs sm\u016bgiai, su kuriais med\u017eiagos gali susidurti jas tvarkant, transportuojant ar naudojant. Kaip pagrindin\u0117 kokyb\u0117s kontrol\u0117s priemon\u0117, kritimo ...<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/lt\/drop-weight-test\/\"> <span class=\"screen-reader-text\">Kritimo svorio bandymas: ASTM D3420 Atsparumo sm\u016bgiams vertinimas<\/span> Skaityti daugiau \"<\/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\/lt\/wp-json\/wp\/v2\/posts\/7407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qualitester.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/lt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/lt\/wp-json\/wp\/v2\/comments?post=7407"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/lt\/wp-json\/wp\/v2\/posts\/7407\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/lt\/wp-json\/wp\/v2\/media?parent=7407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qualitester.com\/lt\/wp-json\/wp\/v2\/categories?post=7407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qualitester.com\/lt\/wp-json\/wp\/v2\/tags?post=7407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}