{"id":1299,"date":"2025-08-01T07:53:26","date_gmt":"2025-08-01T07:53:26","guid":{"rendered":"https:\/\/www.plastictensile.com\/?p=1299"},"modified":"2025-08-01T07:56:02","modified_gmt":"2025-08-01T07:56:02","slug":"tensile-strength-of-polyethylene","status":"publish","type":"post","link":"https:\/\/www.plastictensile.com\/lt\/tensile-strength-of-polyethylene\/","title":{"rendered":"Polietileno atsparumas tempimui"},"content":{"rendered":"<p>Svetain\u0117 <strong>polietileno atsparumas tempimui<\/strong> yra labai svarbus veiksnys vertinant plastikini\u0173 pl\u0117veli\u0173 ir pakavimo med\u017eiag\u0173 na\u0161um\u0105, patikimum\u0105 ir ilgaam\u017ei\u0161kum\u0105. Polietilenas (PE), pla\u010diai naudojamas lanks\u010dioms pakuot\u0117ms, medicinin\u0117ms pl\u0117vel\u0117ms, \u017eem\u0117s \u016bkio pl\u0117vel\u0117ms ir pramoniniams \u012fd\u0117klams gaminti, turi pasi\u017eym\u0117ti pakankamu mechaniniu atsparumu, kad b\u016bt\u0173 atsparus tempimui, tempimui ir deformacijai naudojimo ir apdorojimo metu.<\/p>\n\n\n\n<p>Tikslus \u0161ios savyb\u0117s matavimas yra labai svarbus kokyb\u0117s u\u017etikrinimui, teis\u0117s akt\u0173 laikymuisi ir produkt\u0173 k\u016brimui. B\u016bdama pirmaujanti tiek\u0117ja <strong>pakavimo bandymo \u012franga<\/strong>, <strong>Cell Instruments<\/strong> si\u016blo i\u0161samius sprendimus, pvz. <strong>TST-01 tempimo testeris<\/strong> u\u017etikrinti patikim\u0105 PE pl\u0117veli\u0173 ir kit\u0173 lanks\u010di\u0173 med\u017eiag\u0173 bandym\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u012eprasti plastiko tempimo stiprio bandymo metodai<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Plastiko tempimo stiprumo bandymas ir ASTM D882<\/h3>\n\n\n\n<p>Svetain\u0117 <strong>plastiko tempimo stiprumo bandymas<\/strong> nustato j\u0117g\u0105, kurios reikia med\u017eiagai traukti, kol ji nutr\u016bksta. Polietilenui ir kitoms plastikin\u0117ms pl\u0117vel\u0117ms pla\u010diausiai naudojamas metodas apibr\u0117\u017etas <strong>ASTM D882<\/strong>, kuriame nurodomos plon\u0173 plastikini\u0173 lak\u0161t\u0173 tempiamojo stiprio, takumo ir pailg\u0117jimo tr\u016bkimo metu matavimo proced\u016bros.<\/p>\n\n\n\n<p>Naudojant ASTM D882 standart\u0105 u\u017etikrinama, kad duomenys b\u016bt\u0173 nuosekl\u016bs, atkuriami ir palyginami skirtingose laboratorijose ir gamybos vietose. Tai ypa\u010d svarbu pramon\u0117s \u0161akoms, kurios turi atitikti tarptautinius reguliavimo standartus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PE tempimo stiprumo ir pailg\u0117jimo matavimai<\/h3>\n\n\n\n<p><strong>PE atsparumas tempimui<\/strong> rei\u0161kia did\u017eiausi\u0105 \u012ftemp\u012f, kur\u012f polietileno pl\u0117vel\u0117 gali atlaikyti tempimo metu, kol nutr\u016bksta. Ta\u010diau vien tik tempimo stipris dar ne visk\u0105 pasako.<\/p>\n\n\n\n<p><strong>Tempimas ir pailg\u0117jimas<\/strong> charakteristikos da\u017enai vertinamos kartu. <strong>pailg\u0117jimo tempimo bandymas<\/strong>. Pailg\u0117jimas rodo, kiek pl\u0117vel\u0117 i\u0161sitempia prie\u0161 nutr\u016bkdama, paprastai i\u0161rei\u0161kiamas pradinio ilgio procentais. Tai parodo lankstum\u0105 ir t\u0105sum\u0105 - dvi svarbias savybes, kurios yra svarbios tokiose srityse kaip medicinin\u0117s pakuot\u0117s ar susitraukian\u010dios pl\u0117vel\u0117s.<\/p>\n\n\n\n<p><strong>Tempimo ir pailg\u0117jimo bandymai<\/strong> padeda gamintojams suderinti tvirtum\u0105 ir lankstum\u0105, kad b\u016bt\u0173 optimizuotas med\u017eiagos veikimas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kaip i\u0161matuoti PE tempimo stipr\u012f?<\/h3>\n\n\n\n<p>Polietileno tempimo stipris matuojamas:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Standartinio dyd\u017eio pavyzd\u017ei\u0173 pjaustymas<\/strong> (paprastai sta\u010diakampio arba hantelio formos).<\/li>\n\n\n\n<li><strong>Pavyzd\u017eio tvirtinimas<\/strong> tarp ranken\u0173 ant <strong>tempimo testeris<\/strong>.<\/li>\n\n\n\n<li><strong>J\u0117gos veikimas pastoviu grei\u010diu<\/strong> kol m\u0117ginys nutr\u016bks.<\/li>\n\n\n\n<li><strong>J\u0117gos ir pailg\u0117jimo registravimas<\/strong> tempimo savyb\u0117ms apskai\u010diuoti.<\/li>\n<\/ol>\n\n\n\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<iframe title=\"ASTM D882 plastikin\u0117s pl\u0117vel\u0117s \u012ftempimo ir pailg\u0117jimo bandymas su TST-01 tempimo testeriu\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/GekylTFLo0Q?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>\n<\/div><\/figure>\n\n\n\n<p>Naudojant \u0161iuolaikines priemones, pvz. <strong><a href=\"https:\/\/www.plastictensile.com\/lt\/\" target=\"_blank\" rel=\"noreferrer noopener\">TST-01 tempimo testeris<\/a><\/strong>, bandymas pateikia didel\u0117s skiriamosios gebos j\u0117gos ir poslinkio duomenis, kurie rodomi realiuoju laiku ir analizuojami naudojant integruot\u0105 programin\u0119 \u012frang\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tempimo stiprumo bandym\u0173 taikymas pl\u0117velin\u0117ms med\u017eiagoms<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Lanks\u010di\u0173 pakuo\u010di\u0173 pl\u0117vel\u0117s atsparumas tempimui<\/h3>\n\n\n\n<p><strong>Pl\u0117vel\u0117s atsparumas tempimui<\/strong> yra labai svarbus parametras pl\u0117vel\u0117ms, naudojamoms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Maisto produkt\u0173 ir g\u0117rim\u0173 pakuot\u0117s<\/strong><\/li>\n\n\n\n<li><strong>Medicinos prietais\u0173 pakuot\u0117s<\/strong><\/li>\n\n\n\n<li><strong>PE pagrindu pagamintos barjerin\u0117s pl\u0117vel\u0117s<\/strong><\/li>\n\n\n\n<li><strong>\u017dem\u0117s \u016bkio pl\u0117vel\u0117s ir \u012fd\u0117klai<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Didelis tempiamasis stipris u\u017etikrina, kad pakuot\u0117 nesuply\u0161t\u0173 sandarinimo, pildymo ar tvarkymo metu. Tai padeda i\u0161vengti u\u017eter\u0161imo, i\u0161saugoti produkto kokyb\u0119 ir u\u017etikrinti naudotojo saugum\u0105.<\/p>\n\n\n\n<p>Dideliu grei\u010diu veikian\u010diose pakavimo linijose nepakankamo tempimo stiprumo med\u017eiagos gali i\u0161sitempti arba \u012ftr\u016bkti, d\u0117l to gali b\u016bti prastovos arba produktas gali b\u016bti atmestas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tempimo stiprumo matavimas ir kokyb\u0117s kontrol\u0117<\/h3>\n\n\n\n<p><strong>Tempimo stiprumo matavimas<\/strong> yra svarbi gaunam\u0173 med\u017eiag\u0173 patikr\u0173, partijos i\u0161leidimo \u012f rink\u0105 bandym\u0173 ir mokslini\u0173 tyrim\u0173 ir pl\u0117tros patvirtinimo dalis. Ji leid\u017eia in\u017einieriams ir kokyb\u0117s kontrol\u0117s darbuotojams:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Patvirtinti atitikt\u012f <strong>ASTM D882<\/strong> arba <strong>ASTM F88<\/strong> sandariems pl\u0117vel\u0117s sluoksniams<\/li>\n\n\n\n<li>Steb\u0117ti atskir\u0173 partij\u0173 med\u017eiag\u0173 nuoseklum\u0105<\/li>\n\n\n\n<li>Anksti nustatyti formuliavimo ar ekstruzijos problemas<\/li>\n\n\n\n<li>Remti stipresni\u0173 ir lengvesni\u0173 pl\u0117veli\u0173 k\u016brim\u0105<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Rekomenduojama \u012franga: TST-01 tempimo testeris i\u0161 Cell Instruments<\/h2>\n\n\n\n<p>Svetain\u0117 <strong>TST-01 tempimo testeris<\/strong> sukurtas patikimam ir universaliam tempimo stiprumo bandymui. Jis optimizuotas polietileno pl\u0117vel\u0117ms, laminatams, neaustin\u0117ms med\u017eiagoms ir kt.<\/p>\n\n\n\n<p><strong>Pagrindin\u0117s savyb\u0117s:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-ad2f72ca wp-block-group-is-layout-flex\">\n<ul class=\"wp-block-list\">\n<li><strong>Bandym\u0173 diapazonas:<\/strong> Iki 500 N arba 1 kN, tinka tiek plonoms pl\u0117vel\u0117ms, tiek tvirtesn\u0117ms med\u017eiagoms<\/li>\n\n\n\n<li><strong>Tikslus rutulinis sraigtas ir reguliuojamas greitis:<\/strong> 1-500 mm\/min, kad b\u016bt\u0173 galima taikyti lanks\u010dius bandym\u0173 protokolus<\/li>\n\n\n\n<li><strong>\u00b10,5% F.S. tikslumas:<\/strong> Didelis tikslumas ir nuoseklus j\u0117gos panaudojimas<\/li>\n\n\n\n<li><strong>Realaus laiko duomen\u0173 rodymas:<\/strong> 7 coli\u0173 HMI jutiklinis ekranas, u\u017etikrinantis vizualin\u012f gr\u012f\u017etam\u0105j\u012f ry\u0161\u012f<\/li>\n\n\n\n<li><strong>Integruotos programos:<\/strong> Parama <strong>ASTM D882<\/strong>, <strong>ASTM F88<\/strong>ir kiti standartai<\/li>\n\n\n\n<li><strong>Suderinamumas su keliais \u0161viestuvais:<\/strong> Atliekami tempimo, pl\u0117\u0161imo, prad\u016brimo ir sandarumo bandymai<\/li>\n\n\n\n<li><strong>RS-232 i\u0161vestis ir pasirenkamas spausdintuvas:<\/strong> Efektyviam duomen\u0173 valdymui ir ataskait\u0173 teikimui<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.plastictensile.com\/wp-content\/uploads\/2025\/08\/tensile-tester-1_11zon-1-1024x1024.webp\" alt=\"polietileno atsparumas tempimui\" class=\"wp-image-1302\" srcset=\"https:\/\/www.plastictensile.com\/wp-content\/uploads\/2025\/08\/tensile-tester-1_11zon-1-1024x1024.webp 1024w, https:\/\/www.plastictensile.com\/wp-content\/uploads\/2025\/08\/tensile-tester-1_11zon-1-300x300.webp 300w, https:\/\/www.plastictensile.com\/wp-content\/uploads\/2025\/08\/tensile-tester-1_11zon-1-150x150.webp 150w, https:\/\/www.plastictensile.com\/wp-content\/uploads\/2025\/08\/tensile-tester-1_11zon-1-768x768.webp 768w, https:\/\/www.plastictensile.com\/wp-content\/uploads\/2025\/08\/tensile-tester-1_11zon-1-1536x1536.webp 1536w, https:\/\/www.plastictensile.com\/wp-content\/uploads\/2025\/08\/tensile-tester-1_11zon-1.webp 1840w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<p>TST-01 padeda u\u017etikrinti patikim\u0105 <strong>tempimo stiprumo matavimas<\/strong> med\u017eiagoms, naudojamoms pakavimo, medicinos, elektronikos ir kitose srityse.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Galutin\u0117s mintys<\/h2>\n\n\n\n<p>Supratimas ir testavimas <strong>polietileno atsparumas tempimui<\/strong> yra labai svarbus gamintojams, siekiantiems kokyb\u0117s, saugos ir atitikties. Nesvarbu, ar kuriate naujas pakuo\u010di\u0173 pl\u0117veles, tikrinate \u017ealiavas, ar gerinate proces\u0173 stabilum\u0105, tempimo bandymai suteikia mokslin\u012f po\u017ei\u016br\u012f \u012f med\u017eiag\u0173 eksploatacini\u0173 savybi\u0173 matavim\u0105.<\/p>\n\n\n\n<p>Svetain\u0117je <strong>Cell Instruments<\/strong>, esame pasiry\u017e\u0119 pad\u0117ti in\u017einieriams ir kokyb\u0117s specialistams testuoti i\u0161maniau, naudodami tokius sprendimus kaip <strong><a href=\"https:\/\/www.celtec.cn\/productinfo\/1228363.html\" target=\"_blank\" rel=\"noreferrer noopener\">TST-01 tempimo testeris<\/a><\/strong>-pastatytas <strong>ASTM D882<\/strong>, <strong>PE atsparumas tempimui<\/strong>, ir ne tik.<\/p>","protected":false},"excerpt":{"rendered":"<p>Polietilenas yra labai svarbus veiksnys vertinant plastikini\u0173 pl\u0117veli\u0173 ir pakavimo med\u017eiag\u0173 eksploatacines savybes, patikimum\u0105 ir ilgaam\u017ei\u0161kum\u0105. Polietilenas (PE), pla\u010diai naudojamas lanks\u010dioms pakuot\u0117ms, medicinin\u0117ms pl\u0117vel\u0117ms, \u017eem\u0117s \u016bkio pl\u0117vel\u0117ms ir pramoniniams \u012fd\u0117klams gaminti, turi pasi\u017eym\u0117ti pakankamu mechaniniu stiprumu, kad b\u016bt\u0173 atsparus tempimui, tempimui ir deformacijai naudojimo ir apdorojimo metu. Tiksl\u016bs \u0161io parametro matavimai [...]","protected":false},"author":1,"featured_media":1302,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/posts\/1299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/comments?post=1299"}],"version-history":[{"count":4,"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/posts\/1299\/revisions"}],"predecessor-version":[{"id":1306,"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/posts\/1299\/revisions\/1306"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/media\/1302"}],"wp:attachment":[{"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/media?parent=1299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/categories?post=1299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.plastictensile.com\/lt\/wp-json\/wp\/v2\/tags?post=1299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}