{"id":1465,"date":"2026-03-02T14:21:55","date_gmt":"2026-03-02T06:21:55","guid":{"rendered":"https:\/\/www.puncturetest.com\/?p=1465"},"modified":"2026-03-02T14:21:56","modified_gmt":"2026-03-02T06:21:56","slug":"polyethylene-film-dart-impact-test","status":"publish","type":"post","link":"https:\/\/www.puncturetest.com\/lv\/polyethylene-film-dart-impact-test\/","title":{"rendered":"Polietil\u0113na pl\u0113ves iztur\u012bbas pret dartu triecieniem tests un ASTM D1709 pl\u0113ves iztur\u012bbas p\u0101rbaudes metode"},"content":{"rendered":"

Ievads polietil\u0113na pl\u0113ves trieciena iztur\u012bbas test\u0101 ar \u0161autri\u0146\u0101m<\/h2>\n\n\n\n

Polietil\u0113na pl\u0113ves pla\u0161i izmanto iepakojuma ra\u017eo\u0161an\u0101, tekstilr\u016bpniec\u012bb\u0101 un da\u017e\u0101d\u0101s cit\u0101s nozar\u0113s. Viens no b\u016btisk\u0101kajiem \u0161o pl\u0113vju kvalit\u0101tes r\u0101d\u012bt\u0101jiem ir to iztur\u012bba pret triecieniem. \u0160\u012b polietil\u0113na pl\u0113ves iztur\u012bbas p\u0101rbaude pret dartu triecieniem<\/strong> ir standartiz\u0113ta metode, ar ko nosaka plastmasas pl\u0113ves triecieniztur\u012bbu. \u0160is tests imit\u0113 re\u0101los apst\u0101k\u013cus, kad kr\u012bto\u0161s priek\u0161mets atsit\u0101s pret materi\u0101lu, par\u0101dot, cik labi pl\u0113ve sp\u0113j iztur\u0113t pl\u012b\u0161anu vai boj\u0101jumus.<\/p>\n\n\n\n

ASTM D1709 p\u0101rbaudes metode<\/h2>\n\n\n\n

Port\u0101ls ASTM D1709<\/strong> \u0160is standarts nosaka p\u0101rbaudes metodes plastmasas pl\u0113vju triecieniztur\u012bbas noteik\u0161anai. Taj\u0101 ir paredz\u0113tas divas galven\u0101s p\u0101rbaudes metodes:<\/p>\n\n\n\n

    \n
  1. P\u0101rbaudes metode A<\/strong> taj\u0101 tiek izmantota puslodes formas \u0161autra ar diametru 38,10 mm, ko nomet no 0,66 metru augstuma.<\/li>\n\n\n\n
  2. P\u0101rbaudes metode B<\/strong> izmanto liel\u0101ku \u0161autri\u0146u ar diametru 50,80 mm, ko met no 1,52 metru augstuma.<\/li>\n<\/ol>\n\n\n\n

    Abas metodes ir paredz\u0113tas, lai nov\u0113rt\u0113tu plastmasas pl\u0113ves iztur\u012bbu pret br\u012bvi kr\u012bto\u0161u \u0161autri\u0146u triecieniem. \u0160is tests nosaka trieciena iztur\u012bbas svars<\/strong>, kas ir minim\u0101lais svars, kas nepiecie\u0161ams, lai pl\u0113ve p\u0101rpl\u012bstu.<\/p>\n\n\n\n

    \"Polietil\u0113na<\/a><\/figure>\n\n\n\n

    Testa galvenie elementi<\/h2>\n\n\n\n
      \n
    • Testa uzst\u0101d\u012bjums:<\/strong> Pl\u0113ves paraugs tiek stingri nostiprin\u0101ts starp div\u0101m pl\u0101ksn\u0113m, un tiek palaists \u0161autri\u0146\u0161, kas tr\u0101pa pl\u0113v\u0113. \u0160autri\u0146a pie\u0161\u0137irt\u0101 ener\u0123ija izraisa pl\u0113ves pl\u012bsumu noteikt\u0101 viet\u0101, un \u0161o pl\u012bsumu izmanto, lai apr\u0113\u0137in\u0101tu trieciena iztur\u012bbas svaru.<\/li>\n\n\n\n
    • K\u013c\u016bdas punkts:<\/strong> Testa m\u0113r\u0137is ir noteikt slodzi, pie kuras paraugi 50% tiek boj\u0101ti. Rezult\u0101ts tiek izteikts gramos (g) un nor\u0101da, cik iztur\u012bga pl\u0113ve ir pret boj\u0101jumiem trieciena ietekm\u0113.<\/li>\n\n\n\n
    • Standarta test\u0113\u0161anas apst\u0101k\u013ci:<\/strong> Tests tiek veikts temperat\u016br\u0101 23 \u00b1 2 \u00b0C (73,4 \u00b1 3,6 \u00b0F) un relat\u012bv\u0101 mitrum\u0101 50 \u00b1 10%. \u0160\u012b standartiz\u0101cija nodro\u0161ina, ka rezult\u0101ti ir konsekventi un reproduc\u0113jami.<\/li>\n<\/ul>\n\n\n\n

      Plastmasas pl\u0113ves iztur\u012bba<\/h2>\n\n\n\n

      Pretest\u012bba plastmasas pl\u0113ve<\/strong> Pretest\u012bba pret triecieniem ir atkar\u012bga no da\u017e\u0101diem faktoriem, tostarp pl\u0113ves biezuma, materi\u0101la sast\u0101va un iesp\u0113jamu defektu kl\u0101tb\u016btnes. Biez\u0101ka pl\u0113ve var iztur\u0113t liel\u0101kus triecienus, ta\u010du ir svar\u012bgi \u0146emt v\u0113r\u0101, ka triecieniztur\u012bba ne vienm\u0113r ir tie\u0161i saist\u012bta ar biezumu. Pl\u0113ves ar nevienm\u0113r\u012bb\u0101m vai piemais\u012bjumiem var viegl\u0101k saboj\u0101ties neatkar\u012bgi no to biezuma.<\/p>\n\n\n\n

      Dartu trieciena testa proced\u016bra<\/h2>\n\n\n\n
        \n
      1. Parauga sagatavo\u0161ana:<\/strong> Test\u0113jamajiem paraugiem nedr\u012bkst b\u016bt s\u012bki caurumi, krunkas un citi defekti. Pirms test\u0113\u0161anas pl\u0113ve tiek kondicion\u0113ta kontrol\u0113t\u0101 temperat\u016br\u0101 un mitrum\u0101.<\/li>\n\n\n\n
      2. Darta trieciena iztur\u012bbas p\u0101rbaude:<\/strong> Izmantojot izv\u0113l\u0113to metodi (A vai B), no noteikt\u0101 augstuma tiek palaists \u0161autri\u0146\u0161, lai tas tr\u0101p\u012btu pl\u0113v\u0113. \u0160autri\u0146a svaru pak\u0101peniski palielina vai samazina atkar\u012bb\u0101 no t\u0101, vai pl\u0113ve p\u0101rpl\u012bst vai n\u0113.<\/li>\n\n\n\n
      3. Rezult\u0101tu izv\u0113rt\u0113\u0161ana:<\/strong> Tiek re\u0123istr\u0113ts trieciena svars, un \u0161autras ener\u0123ija tiek sal\u012bdzin\u0101ta ar pl\u0113ves iztur\u012bbu. Rezult\u0101ts pal\u012bdz izprast, k\u0101 pl\u0113ve uzved\u012bsies re\u0101los apst\u0101k\u013cos, piem\u0113ram, ja tai tiek piem\u0113roti trieciena sp\u0113ki iepako\u0161anas vai transport\u0113\u0161anas laik\u0101.<\/li>\n<\/ol>\n\n\n\n

        Br\u012bv\u0101 kritiena dartu trieciena test\u0113t\u0101js<\/h2>\n\n\n\n

        Port\u0101ls br\u012bv\u0101 kritiena \u0161autri\u0146u trieciena test\u0113t\u0101js<\/strong> ir b\u016btisks instruments \u0161\u012b testa veik\u0161anai. Tas ir izstr\u0101d\u0101ts, lai prec\u012bzi un vienm\u0113r\u012bgi palaistu \u0161autri\u0146u, nodro\u0161inot prec\u012bzus rezult\u0101tus. \u0160ie testeri ir neaizst\u0101jami nozar\u0113s, kur\u0101s nepiecie\u0161amas augstas kvalit\u0101tes plastmasas pl\u0113ves, piem\u0113ram, iepakojuma ra\u017eo\u0161an\u0101, kur iztur\u012bba un triecieniztur\u012bba ir iz\u0161\u0137iro\u0161as.<\/p>\n\n\n\n

        Br\u012bv\u0101 kritiena dartu trieciena test\u0113t\u0101ju galven\u0101s \u012bpa\u0161\u012bbas:<\/h2>\n\n\n\n
          \n
        • Prec\u012bza vad\u012bba:<\/strong> \u013bauj prec\u012bzi iestat\u012bt kritiena augstumu un \u0161autras svaru.<\/li>\n\n\n\n
        • Regul\u0113jami testa parametri:<\/strong> Lietot\u0101ji var piel\u0101got \u0161autras svaru un augstumu, lai tas atbilstu da\u017e\u0101d\u0101m test\u0113\u0161anas pras\u012bb\u0101m.<\/li>\n\n\n\n
        • Datu re\u0123istr\u0113\u0161ana:<\/strong> Da\u017eiem mode\u013ciem ir digit\u0101lie displeji un datu re\u0123istr\u0113\u0161anas funkcijas, kas nodro\u0161ina efekt\u012bvu rezult\u0101tu anal\u012bzi.<\/li>\n<\/ul>\n\n\n\n

          Polietil\u0113na pl\u0113ves trieciena iztur\u012bbas p\u0101rbaudes priek\u0161roc\u012bbas<\/h2>\n\n\n\n
            \n
          1. Kvalit\u0101tes kontrole:<\/strong> Darta trieciena tests sniedz v\u0113rt\u012bgu inform\u0101ciju par plastmasas pl\u0113ves kvalit\u0101ti. Ra\u017eot\u0101ji var izmantot \u0161os rezult\u0101tus, lai preciz\u0113tu savus ra\u017eo\u0161anas procesus un nodro\u0161in\u0101tu pl\u0113ves kvalit\u0101tes stabilit\u0101ti.<\/li>\n\n\n\n
          2. Materi\u0101lu izv\u0113le:<\/strong> T\u0101d\u0101s nozar\u0113s k\u0101 iepakojuma ra\u017eo\u0161ana pl\u0113ves ar augstu triecieniztur\u012bbu izv\u0113le ir \u013coti svar\u012bga, lai nodro\u0161in\u0101tu iepakojamo produktu aizsardz\u012bbu.<\/li>\n\n\n\n
          3. Atbilst\u012bba:<\/strong> Iev\u0113rojot ASTM D1709<\/strong> nodro\u0161ina, ka pl\u0113ves atbilst starptautiskajiem triecieniztur\u012bbas standartiem, t\u0101d\u0113j\u0101di padarot t\u0101s piem\u0113rotas da\u017e\u0101diem lietojumiem.<\/li>\n<\/ol>\n\n\n\n

            Secin\u0101jums<\/h2>\n\n\n\n

            Port\u0101ls polietil\u0113na pl\u0113ves iztur\u012bbas p\u0101rbaude pret dartu triecieniem<\/strong> ir b\u016btiska nov\u0113rt\u0113\u0161anas metode, lai noteiktu plastmasas pl\u0113ves iztur\u012bbu. Izmantojot ASTM D1709<\/strong> Pateicoties \u0161im standartam, ra\u017eot\u0101ji var nodro\u0161in\u0101t, ka to pl\u0113ves atbilst nepiecie\u0161amajiem triecieniztur\u012bbas krit\u0113rijiem da\u017e\u0101diem lietojumiem, piem\u0113ram, iepakojumam un tekstilizstr\u0101d\u0101jumiem. Izmantojot br\u012bv\u0101 kritiena \u0161autri\u0146u trieciena test\u0113t\u0101js<\/strong> nodro\u0161ina prec\u012bzus un konsekventus rezult\u0101tus, t\u0101d\u0113j\u0101di k\u013c\u016bstot par v\u0113rt\u012bgu r\u012bku kvalit\u0101tes kontrolei \u0161aj\u0101 nozar\u0113.<\/p>\n\n\n\n

            Lai nodro\u0161in\u0101tu prec\u012bz\u0101kus un uzticam\u0101kus testus, Cell Instruments Co., Ltd.<\/strong> pied\u0101v\u0101 virkni test\u0113\u0161anas risin\u0101jumu, tostarp br\u012bv\u0101 kritiena \u0161autri\u0146u trieciena test\u0113t\u0101js<\/strong>, lai pal\u012bdz\u0113tu plastmasas pl\u0113ves ra\u017eo\u0161anas nozarei uztur\u0113t augstus kvalit\u0101tes un veiktsp\u0113jas standartus.<\/p>\n\n\n\n

            <\/p>","protected":false},"excerpt":{"rendered":"

            Ievads polietil\u0113na pl\u0113ves trieciena iztur\u012bbas test\u0101 ar \u0161autri\u0146u Polietil\u0113na pl\u0113ves tiek pla\u0161i izmantotas iepakojuma, tekstilr\u016bpniec\u012bbas un da\u017e\u0101d\u0101s cit\u0101s nozar\u0113s. Viens no b\u016btisk\u0101kajiem \u0161o pl\u0113vju kvalit\u0101tes r\u0101d\u012bt\u0101jiem ir to sp\u0113ja iztur\u0113t triecienu. Polietil\u0113na pl\u0113ves trieciena iztur\u012bbas tests ar \u0161autri\u0146u ir standartiz\u0113ta metode, ar ko nosaka plastmasas pl\u0113vju trieciena iztur\u012bbu. \u0160is tests simul\u0113 re\u0101los apst\u0101k\u013cus [\u2026]<\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1465","post","type-post","status-publish","format-standard","hentry","category-softgel-test"],"yoast_head":"\nPolyethylene Film Dart Impact Test and ASTM D1709 Standards<\/title>\n<meta name=\"description\" content=\"Learn about polyethylene film dart impact test, including resistance of plastic film and ASTM D1709 standards. 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