{"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\/uz\/standard\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ASTM D3420ni tushunish va uning ahamiyati<\/h2>\n\n\n\n<p>ASTM D3420 keng tan olingan standart bo'lib, ... aniqlash uchun ishlatiladi. <em data-start=\"507\" data-end=\"561\">Plastik plyonka materiallarining tebranish zarbalariga chidamliligi<\/em>. U filmning mustahkamligini baholash uchun real dunyo ta'sir sharoitlarini simulyatsiya qiladi, ayniqsa qadoqlash, tibbiyot va iste'mol mollari sohalarida qo'llash uchun. Ushbu qo'llanma testni \u2026 yordamida qanday o'tkazishni tushuntiradi <strong data-start=\"760\" data-end=\"791\">Film tebranma zarbaga chidamlilik sinovchisi<\/strong>, masalan <strong data-start=\"805\" data-end=\"838\">Cell Instruments modeli <a href=\"https:\/\/www.packqc.com\/uz\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong>, va unga oid tushunchalarni taqdim etadi <strong data-start=\"871\" data-end=\"894\">Spenser ta'sir testi<\/strong>, protseduralar, hisob-kitoblar va hisobot berish usullari.<\/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 plastmassa plyonkalar va listalar uchun pendulumli zarb sinovchisi\" 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>Ushbu sinov usullari plastik plyonkalarining mustahkamligi va sifatini baholashda muhim ahamiyatga ega bo'lib, qadoqlash hamda oziq-ovqat xavfsizligi sohalarida keng qo'llaniladi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Plastik plyonkaning pendulum zarbaga chidamliligi: sinov sharhi<\/h2>\n\n\n\n<p>Ushbu usul o'lchaydi <strong data-start=\"1643\" data-end=\"1665\">energiya (joul'larda)<\/strong> Sirkulyar qisqichlar orasida ushlab turilgan film namunasini yarim shar shaklidagi pendulum bosh bilan yorish uchun zarur bo'lgan. ASTM D3420 ikkita usulni o'z ichiga oladi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1805\" data-end=\"1821\">Protsedura A:<\/strong> 60 mm aperturaga va 25,4 mm diametrli zarba boshidan foydalanadi.<\/li>\n\n\n\n<li><strong data-start=\"1884\" data-end=\"1922\">B protsedura (Spencer zarbasi testi):<\/strong> 89 mm aperturadan va 19 mm diametrli zarba boshidan foydalanadi.<\/li>\n<\/ul>\n\n\n\n<p>Ikkala protsedura ham kalibrlangan <strong data-start=\"2016\" data-end=\"2047\">Film tebranma zarbaga chidamlilik sinovchisi<\/strong> To'qnashuv paytida uzatilgan energiyani o'lchash.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Film Pendulum Impact Tester o'rnatish va texnik xususiyatlari<\/h2>\n\n\n\n<p>ASTM D3420 sinovini samarali o'tkazish uchun standartning asbob-uskunalar bo'yicha talablariga javob beradigan sertifikatlangan pendulum zarbali sinov mashinasidan foydalaning. Cell Instruments\u2019 <strong data-start=\"2308\" data-end=\"2324\">Model <a href=\"https:\/\/www.packqc.com\/uz\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong> Professional laboratoriyalar uchun ideal tanlov bo'lib, quyidagilarni taklif etadi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bir nechta energiya diapazoni variantlari (0,5 dan 5,0 J gacha)<\/li>\n\n\n\n<li>Analog yoki raqamli o'qishlar<\/li>\n\n\n\n<li>Sirpanishni oldini olish uchun O-halqa qisqich tizimi<\/li>\n\n\n\n<li>Turli film turlari uchun sozlanadigan pendulum og'irliklari<\/li>\n<\/ul>\n\n\n\n<p>Optimal aniqlik uchun:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uskunani to'g'ri tekislanganligiga ishonch hosil qiling.<\/li>\n\n\n\n<li>Har bir testdan oldin o'lchagichni (mexanik yoki raqamli) nolga o'rnating.<\/li>\n\n\n\n<li>Kalibrlashni tekshiring per <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1922<\/a> yoki ishlab chiqaruvchining ko'rsatmalari.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Test natijalarini hisobot qilish<\/h2>\n\n\n\n<p>Hisobotingiz quyidagilarni o'z ichiga olishi kerak:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Namuna identifikatsiyasi va sinov sharoitlari<\/li>\n\n\n\n<li>Qulaylangan protsedura (A yoki B)<\/li>\n\n\n\n<li>Sinovdan o'tkazilgan namunalar soni<\/li>\n\n\n\n<li><strong data-start=\"3672\" data-end=\"3701\">O'rtacha zarba energiyasi (J)<\/strong><\/li>\n\n\n\n<li>Namunaning o'rtacha qalinligi<\/li>\n\n\n\n<li><strong data-start=\"3733\" data-end=\"3769\">Standart og'ish (zarur bo'lsa)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Atrof-muhit ma'lumotlarini yozib olish, masalan <strong data-start=\"3805\" data-end=\"3833\">harorat va namlik<\/strong> Takrorlanuvchanlik uchun muhimdir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Spencer ta'sir testini o'tkazish<\/h2>\n\n\n\n<p>The <strong data-start=\"2790\" data-end=\"2813\">Spenser ta'sir testi<\/strong> (B protsedura) odatda qalinroq yoki bardoshliligi yuqori bo'lgan filmlar uchun ishlatiladi. Mana qisqa bosqichma-bosqich ko'rsatma:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"2913\" data-end=\"2936\">Sharoit namunalarini<\/strong> 23 \u00b1 2 \u00b0C va 50 \u00b1 10% namlikka.<\/li>\n\n\n\n<li><strong data-start=\"2969\" data-end=\"2990\">Qalinligini o'lchang<\/strong> aniqlik bilan mikrometr (\u00b10,00025 mm) yordamida.<\/li>\n\n\n\n<li><strong data-start=\"3038\" data-end=\"3055\">Kesib o'rnating<\/strong> 89 mm aperturadan va O-ring qisqichidan foydalangan holda namunalari.<\/li>\n\n\n\n<li><strong data-start=\"3111\" data-end=\"3132\">Ko'tar va qo'yib yubor<\/strong> qulflangan holatdan tebranma.<\/li>\n\n\n\n<li><strong data-start=\"3176\" data-end=\"3198\">Kuzating va qayd eting<\/strong> Filmni yorish uchun so'rilgan energiya.<\/li>\n\n\n\n<li><strong data-start=\"3243\" data-end=\"3281\">Kamida beshta namunada takrorlang.<\/strong> va o'rtachani hisoblash.<\/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 plastmassa plyonkalar va listalar uchun pendulumli zarb sinovchisi\" 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\">Protsedura B uchun ta'sir energiyasini hisoblash:<\/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\">Qayerda:<\/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> = joullarda energiya<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3420\" data-end=\"3423\">R<\/em> = o'lchov o'qishi (0\u2013100)<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3452\" data-end=\"3455\">C<\/em> = sinovchi sig'imi (masalan, 0.17, 0.34, 0.67 J va hokazo)<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Eng yaxshi pendulyum zarbaga chidamlilik sinovchisini tanlash<\/h2>\n\n\n\n<p>Aniq sinovdan o'tkazish <strong data-start=\"4573\" data-end=\"4619\">plastik plyonkaning tebranish zarbalariga chidamliligi<\/strong> ASTM D3420 dan foydalanish talabchan muhitlarda materiallarning ishlashini ta'minlash uchun juda muhimdir. Ko'rsatilgan protseduralarga rioya qilib va ishonchli asbob, masalan, <strong data-start=\"4788\" data-end=\"4815\"><a href=\"https:\/\/www.packqc.com\/uz\/\">Hujayra asboblari<\/a> PIT-01<\/strong>, laboratoriyalar va ishlab chiqaruvchilar erisha oladilar <strong data-start=\"4852\" data-end=\"4908\">takrorlanadigan, aniq va standartlarga muvofiq natijalar<\/strong>. Bu mahsulot xavfsizligini ta'minlashga, qadoqlash ishonchliligini oshirishga va xalqaro standartlarga muvofiqlikni saqlashga yordam beradi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tBiz bilan bog'laning va ASTM D3420 sinov yechimini oling\t\t\t\t<\/h2>\n\n\n\n<p>ASTM D3420 pendulumini tushunish va qo'llash I<strong data-start=\"4289\" data-end=\"4316\">Ta'sir sinov usuli<\/strong> Real dunyo ilovalarida plastik plyonkalar ishonchliligi va xavfsizligini ta'minlaydi. Qattiq sinov protseduralari va texnikalari yordamida mutaxassislar plyonkaning zarba chidamliligini ishonch bilan baholab, mahsulotni takomillashtirish va yuqori sifat standartlarini saqlashga yordam beradi.<\/p>\n\n\n\n<p>Haqida qo'shimcha ma'lumot uchun <strong data-start=\"4646\" data-end=\"4673\">Cell Instruments PIT-01<\/strong> yoki moslashtirilgan sinov ehtiyojlarini muhokama qilish uchun bugun texnik jamoamiz bilan bog'laning!<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding ASTM D3420 and Its Importance ASTM D3420 is a widely recognized standard used to determine the pendulum impact resistance of plastic film materials. It simulates real-world impact conditions to assess a film&#8217;s toughness, particularly for applications in packaging, medical, and consumer goods. This guide explains how to conduct the test using a film pendulum [&hellip;]<\/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\/uz\/wp-json\/wp\/v2\/standard\/9837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/media\/10016"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/media?parent=9837"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/uz\/wp-json\/wp\/v2\/standard-category?post=9837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}