{"id":10300,"date":"2026-04-21T17:02:07","date_gmt":"2026-04-21T09:02:07","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10300"},"modified":"2026-04-22T11:31:41","modified_gmt":"2026-04-22T03:31:41","slug":"astm-f2824","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/lt\/standard\/astm-f2824\/","title":{"rendered":"ASTM F2824"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ASTM F2824 standarto supratimas atliekant praktinius bandymus<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM F2824<\/strong> apibr\u0117\u017eia <strong>kiekybinis lanks\u010di\u0173 nulupam\u0173 dangteli\u0173 mechaninio sandarumo \u012fvertinimo metodas<\/strong> taikomas stand\u017eioms arba pusiau stand\u017eioms apvalioms talpykloms. Skirtingai nuo dalinio nulupimo bandymo metod\u0173, \u0161iame standarte daugiausia d\u0117mesio skiriama <strong>viso dang\u010dio nu\u0117mimas<\/strong>, taip u\u017etikrinant reprezentatyvesn\u012f pakuot\u0117s vientisumo \u012fvertinim\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Realiose pakuot\u0117se, pavyzd\u017eiui, jogurto puodeliuose, kavos kapsul\u0117se ar vaist\u0173 indeliuose, gedimas retai \u012fvyksta viename ta\u0161ke. Veikimas priklauso nuo <strong>vienodas sandarumas per vis\u0105 perimetr\u0105.<\/strong>. ASTM F2824 tai sprend\u017eiama matuojant:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nepertraukiama j\u0117ga \u0161veitimo metu<\/strong><\/li>\n\n\n\n<li><strong>Did\u017eiausias sandarinimo stiprumas<\/strong><\/li>\n\n\n\n<li><strong>Darbai, reikalingi norint visi\u0161kai atskirti dangt\u012f<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u0117l \u0161io holistinio po\u017ei\u016brio metodas labai tinka <strong>kokyb\u0117s kontrol\u0117 ir produkto patvirtinimas<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nulupt\u0173 dangteli\u0173 sandarumo stiprumas: Kod\u0117l svarbus viso dangtelio bandymas?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tradiciniais sandarumo bandymais (pvz., juostel\u0117mis pagr\u012fstais metodais) vertinamos tik vietin\u0117s sritys. Ta\u010diau, <strong>nulupt\u0173 dangteli\u0173 sandarumo stiprumas<\/strong> priklauso nuo keli\u0173 s\u0105veikaujan\u010di\u0173 kintam\u0173j\u0173:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0160iluminio sandarinimo nuoseklumas<\/li>\n\n\n\n<li>Med\u017eiag\u0173 suderinamumas (pl\u0117vel\u0117 ir tara)<\/li>\n\n\n\n<li>Pavir\u0161iaus \u0161varumas ir dangos vienodumas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">I\u0161bandydami <strong>visas dangtis<\/strong>, ASTM F2824 dangteliai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sandarinimo s\u0105sajos kintamumas<\/li>\n\n\n\n<li>Silpnosios zonos, galin\u010dios sukelti nuot\u0117k\u012f<\/li>\n\n\n\n<li>Tikrasis naudotojo atidarymo na\u0161umas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tai ypa\u010d svarbu pramon\u0117s \u0161akoms, kuriose <strong>pakuot\u0117s gedimas lemia u\u017eter\u0161im\u0105 arba produkto praradim\u0105.<\/strong>, pavyzd\u017eiui, maisto ir vaist\u0173.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Lanks\u010di\u0173 nulupam\u0173 dangteli\u0173 sandarumo stiprumas: Pagrindiniai parametrai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norint u\u017etikrinti atkuriamum\u0105, ASTM F2824 standarte nurodyti keli svarbiausi parametrai:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nulupimo kampas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standartin\u0117 b\u016bkl\u0117: <strong>45\u00b0<\/strong><\/li>\n\n\n\n<li>Leid\u017eiami ir kiti kampai, ta\u010diau jie turi b\u016bti pagr\u012fsti dokumentais ir patvirtinti.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Atskyrimo koeficientas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apibr\u0117\u017eiamas kaip <strong>300 mm\/min (12 in\/min)<\/strong><\/li>\n\n\n\n<li>Tiesiogiai veikia i\u0161matuotas j\u0117gos vertes<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">I\u0161matuoti i\u0161\u0117jimai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vidutinis sandarinimo stiprumas<\/strong> (vidutin\u0117 j\u0117ga)<\/li>\n\n\n\n<li><strong>Did\u017eiausias sandarinimo stiprumas<\/strong> (did\u017eiausia j\u0117ga)<\/li>\n\n\n\n<li><strong>Darbas (energija)<\/strong> i\u0161vesta i\u0161 j\u0117gos ir poslinkio kreiv\u0117s<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Bandym\u0173 geometrija<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u0117mesys sutelktas \u012f <strong>apvalios talpyklos<\/strong>, nors pana\u0161\u016bs principai taikomi ir kitoms formoms<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160ie parametrai u\u017etikrina, kad <strong>lanks\u010di\u0173 nupl\u0117\u0161iam\u0173 dangteli\u0173 sandarumo stiprumas<\/strong> matuojamas nuosekliai visose laboratorijose.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM F2824 Nulupimo bandymo proced\u016bra<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM F2824 darbo eiga vyksta pagal strukt\u016brin\u012f proces\u0105:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u0117ginio paruo\u0161imas<\/strong>\n<ul class=\"wp-block-list\">\n<li>Nustatykite pradin\u012f \u017eievel\u0117s skirtuk\u0105<\/li>\n\n\n\n<li>Apibr\u0117\u017ekite \u017eievel\u0117s linij\u0105 per vis\u0105 talpykl\u0105<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Armat\u016bros nustatymas<\/strong>\n<ul class=\"wp-block-list\">\n<li>Tvirtai pritvirtinkite talpykl\u0105<\/li>\n\n\n\n<li>U\u017espauskite dang\u010dio skirtuk\u0105 \u012f tempimo ranken\u0105<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Vykdymas<\/strong>\n<ul class=\"wp-block-list\">\n<li>Taikykite kontroliuojam\u0105 \u0161veitim\u0105 pastoviu grei\u010diu<\/li>\n\n\n\n<li>I\u0161laikykite nustatyt\u0105 nulupimo kamp\u0105<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Duomen\u0173 gavimas<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u012era\u0161yti j\u0117gos ir poslinkio santyk\u012f<\/li>\n\n\n\n<li>Generuoti realaus laiko kreives<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Rezultat\u0173 interpretacija<\/strong>\n<ul class=\"wp-block-list\">\n<li>Analizuokite did\u017eiausias ir vidutines j\u0117gas<\/li>\n\n\n\n<li>\u012evertinti sandarinimo vienodum\u0105 ir gedimo b\u016bd\u0105<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Tikslus vykdymas labai priklauso nuo <strong>prietaiso tikslumas ir tvirtinimo stabilumas<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Puodelio dangtelio nulupimo testeris: \u012erangos parinkimas ir na\u0161umas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>puodelio dangtelio nulupimo testeris<\/strong> atlieka lemiam\u0105 vaidmen\u012f siekiant patikim\u0173 ASTM F2824 rezultat\u0173. Prietaisas turi u\u017etikrinti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stabilus judesio valdymas<\/li>\n\n\n\n<li>Tikslus j\u0117gos matavimas<\/li>\n\n\n\n<li>Pastovus nulupimo kampas ir greitis<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>L\u0105steli\u0173 instrumentai <a href=\"https:\/\/www.packqc.com\/lt\/products\/ccpt-01-container-lids-peel-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">CCPT-01 puodeli\u0173 ir talpykl\u0173 lupimo testeris<\/a><\/strong> yra specialiai sukurta tokiems tikslams. Jis palaiko:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Viso dangtelio nulupimas nuo \u012fvairi\u0173 geometrij\u0173 talpykl\u0173<\/strong><\/li>\n\n\n\n<li><strong>J\u0117gos kreiv\u0117s vizualizavimas realiuoju laiku<\/strong> i\u0161samiai analizei<\/li>\n\n\n\n<li><strong>Automatinis maksimali\u0173, minimali\u0173 ir vidutini\u0173 ver\u010di\u0173 apskai\u010diavimas<\/strong><\/li>\n\n\n\n<li><strong>pasirinktiniai tvirtinimo \u012ftaisai (pvz., vakuuminis \u017eel\u0117 puodeli\u0173 u\u017espaudimas)<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">PLC valdoma sistema ir tiksli mechanin\u0117 konstrukcija u\u017etikrina, kad <strong>pakartojamumas ir atitiktis ASTM F2824 reikalavimams.<\/strong>, tod\u0117l jis tinka tiek moksliniams tyrimams ir pl\u0117trai, tiek \u012fprastinei kokyb\u0117s kontrolei.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM F2824 ir dalinio sandarinimo bandymo metodai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Da\u017enai kyla painiava d\u0117l skirtumo tarp ASTM F2824 ir juostelini\u0173 bandym\u0173:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Aspektas<\/th><th>ASTM F2824<\/th><th>Dalinio sandarinimo bandymas<\/th><\/tr><\/thead><tbody><tr><td>Bandym\u0173 sritis<\/td><td>Visas dangtis<\/td><td>Vietos skyrius<\/td><\/tr><tr><td>Duomen\u0173 tipas<\/td><td>Nepertraukiamas + maksimalus<\/td><td>Lokalizuota j\u0117ga<\/td><\/tr><tr><td>Taikymas<\/td><td>Galutinis paketo patvirtinimas<\/td><td>Med\u017eiag\u0173 palyginimas<\/td><\/tr><tr><td>Tikslumas<\/td><td>Auk\u0161tas (realaus naudojimo modeliavimas)<\/td><td>Ribotas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tinklalapiui <strong>Galutinio naudojimo efektyvumo patvirtinimas<\/strong>, ASTM F2824 pateikia \u017eymiai daugiau nauding\u0173 \u012f\u017evalg\u0173.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gaukite ASTM F2824 bandym\u0173 sprendim\u0105<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">U\u017etikrinkite tiksl\u0173 dangtelio sandarumo \u012fvertinim\u0105 naudodami <strong>ASTM F2824<\/strong>-atitinkantys bandymai. Matuojant viso dangtelio atskyrimo j\u0117g\u0105, \u0161iuo metodu atskleid\u017eiamos svarbios \u012f\u017evalgos apie sandarinimo vienodum\u0105, atidarymo efektyvum\u0105 ir pakuot\u0117s patikimum\u0105. Naudojant pa\u017eangius sprendimus, pvz. <strong>CCPT-01 puodelio dangtelio nulupimo testeris<\/strong>, galite gauti tikslius, pakartojamus rezultatus ir pagerinti kokyb\u0117s kontrol\u0117s efektyvum\u0105. Kreipkit\u0117s \u012f Cell Instruments, kad optimizuotum\u0117te savo bandym\u0173 darbo eig\u0105 ir u\u017etikrintum\u0117te, jog j\u016bs\u0173 pakuot\u0117s atitinka pramon\u0117s standartus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DUK<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kuo ASTM F2824 skiriasi nuo ASTM F88?<br><\/strong><a href=\"https:\/\/store.astm.org\/f2824-10r25.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM F2824<\/a> \u012fvertina <strong>visa plomba<\/strong>, o ASTM F88 testuoja tik <strong>dalis<\/strong>, tod\u0117l F2824 labiau atspindi tikr\u0105j\u012f pakuot\u0117s na\u0161um\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kod\u0117l svarbus 45\u00b0 nulupimo kampas?<br><\/strong>Ji standartizuoja bandym\u0173 s\u0105lygas ir u\u017etikrina, kad <strong>palyginami rezultatai<\/strong>, nors galima naudoti ir kitus kampus, jei tai patvirtinta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>K\u0105 teste rei\u0161kia \u201cdarbas\u201d?<br><\/strong>Tai rei\u0161kia, kad <strong>bendras energijos poreikis<\/strong> dang\u010diui nuimti, apskai\u010diuotas pagal j\u0117gos ir poslinkio kreiv\u0119.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ar galima bandyti neapvalias talpyklas?<br><\/strong>Standarte daugiausia d\u0117mesio skiriama apvalioms talpykloms, ta\u010diau <strong>galima pritaikyti pana\u0161ias metodikas.<\/strong> kitoms formoms, tinkamai patvirtintoms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kaip u\u017etikrinti, kad rezultatai b\u016bt\u0173 pakartojami?<br><\/strong>Naudokite kalibruot\u0105 <strong>puodelio dangtelio nulupimo testeris<\/strong>, u\u017etikrinti nuosekl\u0173 m\u0117gini\u0173 paruo\u0161im\u0105 ir grie\u017etai kontroliuoti bandymo parametrus.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM F2824 standarto supratimas atliekant praktinius bandymus ASTM F2824 standartas apibr\u0117\u017eia kiekybin\u012f metod\u0105, skirt\u0105 \u012fvertinti lanks\u010di\u0173 nulupam\u0173 dangteli\u0173, u\u017ed\u0117t\u0173 ant stand\u017ei\u0173 arba pusiau stand\u017ei\u0173 apvali\u0173 talpykl\u0173, mechanin\u012f sandarum\u0105. Skirtingai nuo dalinio atpl\u0117\u0161imo bandym\u0173 metod\u0173, \u0161iame standarte daugiausia d\u0117mesio skiriama visam dang\u010diui nuimti, taip u\u017etikrinant reprezentatyvesn\u012f pakuot\u0117s vientisumo \u012fvertinim\u0105. Realiose pakuot\u0117se, tokiose kaip jogurto ir [...]<\/p>","protected":false},"featured_media":10301,"parent":0,"template":"","meta":{"_acf_changed":false,"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":[],"class_list":["post-10300","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard\/10300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media\/10301"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=10300"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard-category?post=10300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}