{"id":9837,"date":"2026-02-24T15:11:44","date_gmt":"2026-02-24T07:11:44","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d3420-2\/"},"modified":"2026-04-16T09:53:06","modified_gmt":"2026-04-16T01:53:06","slug":"astm-d3420","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/lv\/standard\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Izpratne par ASTM D3420 un t\u0101 noz\u012bmi<\/h2>\n\n\n\n<p>ASTM D3420 ir pla\u0161i atz\u012bts standarts, ko izmanto, lai noteiktu <em data-start=\"507\" data-end=\"561\">plastmasas pl\u0113ves materi\u0101lu triecieniztur\u012bba pret sv\u0101rsta triecienu<\/em>. T\u0101 simul\u0113 re\u0101lus trieciena apst\u0101k\u013cus, lai nov\u0113rt\u0113tu pl\u0113ves iztur\u012bbu, jo \u012bpa\u0161i iepakojuma, medic\u012bnas un pat\u0113ri\u0146a pre\u010du lietojumiem. \u0160aj\u0101 rokasgr\u0101mat\u0101 izskaidrots, k\u0101 veikt testu, izmantojot <strong data-start=\"760\" data-end=\"791\">pl\u0113ves sv\u0101rsta trieciena testeris<\/strong>, piem\u0113ram. <strong data-start=\"805\" data-end=\"838\">Cell Instruments modelis <a href=\"https:\/\/www.packqc.com\/lv\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong>un sniedz ieskatu par <strong data-start=\"871\" data-end=\"894\">Spencera triecientests<\/strong>, proced\u016bras, apr\u0113\u0137ini un zi\u0146o\u0161anas metodes.<\/p>\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<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"ASTM D3420 sv\u0101rsta trieciena testeris plastmasas pl\u0113vju lok\u0161\u0146u trieciena testerim\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/vEx4esxMESw?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\n\n\n<p>\u0160\u012bs test\u0113\u0161anas metodes ir \u013coti svar\u012bgas, lai nov\u0113rt\u0113tu plastmasas pl\u0113vju iztur\u012bbu un kvalit\u0101ti, un t\u0101s tiek pla\u0161i izmantotas da\u017e\u0101d\u0101s nozar\u0113s, tostarp iepakojuma un p\u0101rtikas nekait\u012bguma jom\u0101.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Plastmasas pl\u0113ves triecieniztur\u012bba pret sv\u0101rsta triecienu: Testa p\u0101rskats<\/h2>\n\n\n\n<p>Ar \u0161o metodi m\u0113ra <strong data-start=\"1643\" data-end=\"1665\">ener\u0123ija (d\u017eoulos)<\/strong> nepiecie\u0161ams, lai puslodes veida sv\u0101rsta galva p\u0101rrautu pl\u0113ves paraugu, kas atrodas starp apa\u013ciem skav\u0101m. ASTM D3420 ir divas proced\u016bras:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1805\" data-end=\"1821\">A proced\u016bra:<\/strong> Izmanto 60 mm diafragmu un 25,4 mm diametra trieciena galvi\u0146u.<\/li>\n\n\n\n<li><strong data-start=\"1884\" data-end=\"1922\">B proced\u016bra (Spencera triecientests):<\/strong> Izmanto 89 mm diafragmu un 19 mm diametra trieciena galvi\u0146u.<\/li>\n<\/ul>\n\n\n\n<p>Ab\u0101s proced\u016br\u0101s izmanto kalibr\u0113tu <strong data-start=\"2016\" data-end=\"2047\">pl\u0113ves sv\u0101rsta trieciena testeris<\/strong> lai m\u0113r\u012btu trieciena laik\u0101 nodoto ener\u0123iju.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pl\u0113ves sv\u0101rsta trieciena testera iestat\u012b\u0161ana un specifik\u0101cijas<\/h2>\n\n\n\n<p>Lai efekt\u012bvi veiktu ASTM D3420 testu, izmantojiet sertific\u0113tu sv\u0101rsta triecientesteri, kas atbilst standarta pras\u012bb\u0101m attiec\u012bb\u0101 uz aparat\u016bru. Cell Instruments' <strong data-start=\"2308\" data-end=\"2324\">Modelis <a href=\"https:\/\/www.packqc.com\/lv\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong> ir ide\u0101la izv\u0113le profesion\u0101l\u0101m laboratorij\u0101m, jo pied\u0101v\u0101:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vair\u0101kas ener\u0123ijas diapazona iesp\u0113jas (no 0,5 l\u012bdz 5,0 J)<\/li>\n\n\n\n<li>Analogie vai digit\u0101lie r\u0101d\u012bjumi<\/li>\n\n\n\n<li>O-Ring skavu sist\u0113ma, kas nov\u0113r\u0161 sl\u012bd\u0113\u0161anu<\/li>\n\n\n\n<li>Regul\u0113jams sv\u0101rsta svars da\u017e\u0101diem pl\u0113ves veidiem<\/li>\n<\/ul>\n\n\n\n<p>Optim\u0101lai precizit\u0101tei:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nodro\u0161iniet pareizu iek\u0101rtas izl\u012bdzin\u0101\u0161anu.<\/li>\n\n\n\n<li>Pirms katras p\u0101rbaudes iznul\u0113jiet ciparn\u012bcas vai digit\u0101l\u0101s skalas r\u0101diusu.<\/li>\n\n\n\n<li>P\u0101rbaudiet kalibr\u0113\u0161anu saska\u0146\u0101 ar <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1922<\/a> vai ra\u017eot\u0101ja nor\u0101d\u012bjumiem.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Testa rezult\u0101tu pazi\u0146o\u0161ana<\/h2>\n\n\n\n<p>J\u016bsu zi\u0146ojum\u0101 j\u0101iek\u013cauj:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Parauga identifik\u0101cija un testa nosac\u012bjumi<\/li>\n\n\n\n<li>Izmantot\u0101 proced\u016bra (A vai B)<\/li>\n\n\n\n<li>Test\u0113to paraugu skaits<\/li>\n\n\n\n<li><strong data-start=\"3672\" data-end=\"3701\">Vid\u0113j\u0101 trieciena ener\u0123ija (J)<\/strong><\/li>\n\n\n\n<li>Vid\u0113jais parauga biezums<\/li>\n\n\n\n<li><strong data-start=\"3733\" data-end=\"3769\">Standarta novirze (ja nepiecie\u0161ams)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Vides datu re\u0123istr\u0113\u0161ana, piem\u0113ram. <strong data-start=\"3805\" data-end=\"3833\">temperat\u016bra un mitrums<\/strong> ir iz\u0161\u0137iro\u0161a reproduc\u0113jam\u012bbai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Spencera triecientesta veik\u0161ana<\/h2>\n\n\n\n<p>The <strong data-start=\"2790\" data-end=\"2813\">Spencera triecientests<\/strong> (B proced\u016bra) parasti izmanto biez\u0101k\u0101m vai iztur\u012bg\u0101k\u0101m pl\u0113v\u0113m. \u0160eit sniegts \u012bss soli pa solim:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"2913\" data-end=\"2936\">St\u0101vok\u013ca paraugi<\/strong> l\u012bdz 23 \u00b1 2\u00b0C un 50 \u00b1 10% relat\u012bv\u0101 mitruma.<\/li>\n\n\n\n<li><strong data-start=\"2969\" data-end=\"2990\">Izm\u0113riet biezumu<\/strong> prec\u012bzi, izmantojot mikrometru (\u00b10,00025 mm).<\/li>\n\n\n\n<li><strong data-start=\"3038\" data-end=\"3055\">Izgriezt un uzst\u0101d\u012bt<\/strong> paraugus, izmantojot 89 mm diafragmu un O-veida gredzenu skavu.<\/li>\n\n\n\n<li><strong data-start=\"3111\" data-end=\"3132\">Pacel\u0161ana un atbr\u012bvo\u0161ana<\/strong> sv\u0101rsts no fiks\u0113t\u0101 st\u0101vok\u013ca.<\/li>\n\n\n\n<li><strong data-start=\"3176\" data-end=\"3198\">Nov\u0113rot un re\u0123istr\u0113t<\/strong> ener\u0123ija, kas tiek absorb\u0113ta, lai pl\u0113ve pl\u012bst.<\/li>\n\n\n\n<li><strong data-start=\"3243\" data-end=\"3281\">Atk\u0101rtojiet vismaz pieciem paraugiem<\/strong> un apr\u0113\u0137ina vid\u0113jo v\u0113rt\u012bbu.<\/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<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"ASTM D3420 sv\u0101rsta trieciena testeris plastmasas pl\u0113vju lok\u0161\u0146u trieciena testerim\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/vEx4esxMESw?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\n\n\n<p><strong data-start=\"3310\" data-end=\"3356\">Trieciena ener\u0123ijas apr\u0113\u0137ins B proced\u016brai:<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em data-start=\"3360\" data-end=\"3379\">E = (R \/ 100) \u00d7 C<\/em><br data-start=\"3379\" data-end=\"3382\">Kur:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em style=\"font-size: 16px;\" data-start=\"3393\" data-end=\"3396\">E<\/em> = ener\u0123ija d\u017eoulos<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3420\" data-end=\"3423\">R<\/em> = skalas r\u0101d\u012bjums (0-100)<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3452\" data-end=\"3455\">C<\/em> = testera jauda (piem\u0113ram, 0,17, 0,34, 0,67 J utt.)<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Lab\u0101k\u0101 sv\u0101rsta triecientestera izv\u0113le<\/h2>\n\n\n\n<p>Prec\u012bza test\u0113\u0161ana <strong data-start=\"4573\" data-end=\"4619\">plastmasas pl\u0113ves triecieniztur\u012bba pret sv\u0101rsta triecienu<\/strong> ASTM D3420 izmanto\u0161ana ir \u013coti svar\u012bga, lai nodro\u0161in\u0101tu materi\u0101lu veiktsp\u0113ju sare\u017e\u0123\u012bt\u0101s vid\u0113s. Iev\u0113rojot aprakst\u012bt\u0101s proced\u016bras un izmantojot uzticamu instrumentu, piem\u0113ram, \u0161\u0101du. <strong data-start=\"4788\" data-end=\"4815\"><a href=\"https:\/\/www.packqc.com\/lv\/\">\u0160\u016bnu instrumenti<\/a> PIT-01<\/strong>, laboratorijas un ra\u017eot\u0101ji var sasniegt <strong data-start=\"4852\" data-end=\"4908\">atk\u0101rtojami, prec\u012bzi un standartiem atbilsto\u0161i rezult\u0101ti.<\/strong>. Tas pal\u012bdz nodro\u0161in\u0101t produktu dro\u0161\u012bbu, uzlabot iepakojuma uzticam\u012bbu un nodro\u0161in\u0101t atbilst\u012bbu starptautiskajiem standartiem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tSazinieties ar mums Ieg\u016bstiet ASTM D3420 test\u0113\u0161anas risin\u0101jumu\t\t\t\t<\/h2>\n\n\n\n<p>Izpratne un piem\u0113ro\u0161ana ASTM D3420 Sv\u0101rsts I<strong data-start=\"4289\" data-end=\"4316\">ietekmes testa metode<\/strong> nodro\u0161ina plastmasas pl\u0113vju uzticam\u012bbu un dro\u0161\u012bbu re\u0101los lietojumos. Izmantojot stabilas test\u0113\u0161anas proced\u016bru metodes, profesion\u0101\u013ci var dro\u0161i nov\u0113rt\u0113t pl\u0113ves triecieniztur\u012bbu, pal\u012bdzot pilnveidot produktus un uztur\u0113t augstas kvalit\u0101tes standartus.<\/p>\n\n\n\n<p>S\u012bk\u0101ka inform\u0101cija par <strong data-start=\"4646\" data-end=\"4673\">Cell Instruments PIT-01<\/strong> vai lai apspriestu piel\u0101gotas test\u0113\u0161anas vajadz\u012bbas, sazinieties ar m\u016bsu tehnisko komandu jau \u0161odien!<\/p>","protected":false},"excerpt":{"rendered":"<p>Izpratne par ASTM D3420 un t\u0101 noz\u012bmi ASTM D3420 ir pla\u0161i atz\u012bts standarts, ko izmanto, lai noteiktu plastmasas pl\u0113ves materi\u0101lu triecieniztur\u012bbu pret sv\u0101rsta triecieniem. Tas simul\u0113 re\u0101lus trieciena apst\u0101k\u013cus, lai nov\u0113rt\u0113tu pl\u0113ves iztur\u012bbu, jo \u012bpa\u0161i iepakojuma, medic\u012bnas un pat\u0113ri\u0146a pre\u010du vajadz\u012bb\u0101m. \u0160aj\u0101 rokasgr\u0101mat\u0101 izskaidrots, k\u0101 veikt testu, izmantojot pl\u0113ves sv\u0101rsta [...]<\/p>","protected":false},"featured_media":10016,"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":[611],"class_list":["post-9837","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard\/9837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/media\/10016"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/media?parent=9837"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard-category?post=9837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}