{"id":9828,"date":"2026-02-24T15:11:44","date_gmt":"2026-02-24T07:11:44","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d1894-2\/"},"modified":"2026-04-16T09:53:04","modified_gmt":"2026-04-16T01:53:04","slug":"astm-d1894","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/ro\/standard\/astm-d1894\/","title":{"rendered":"ASTM D1894"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u00cen\u021belegerea ASTM D1894 \u0219i a importan\u021bei sale<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen\u021belegerea <a href=\"https:\/\/www.packqc.com\/ro\/standard\/astm-d1894\/\"><strong data-start=\"964\" data-end=\"978\">ASTM D1894<\/strong><\/a> este esen\u021bial\u0103 pentru industrii precum <strong data-start=\"1015\" data-end=\"1102\">ambalaje, produse alimentare, medicale, farmaceutice, textile \u0219i agen\u021bii de control al calit\u0103\u021bii<\/strong>, toate acestea baz\u00e2ndu-se pe un comportament constant al materialului pentru asigurarea calit\u0103\u021bii.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong data-start=\"1241\" data-end=\"1263\">Testare ASTM D1894<\/strong> prezint\u0103 o procedur\u0103 clar\u0103 de determinare a caracteristicilor de frecare \u00eentre dou\u0103 suprafe\u021be \u00een condi\u021bii controlate. Acest test este vital pentru:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1412\" data-end=\"1457\">Evaluarea performan\u021bei materialelor de ambalare<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1462\" data-end=\"1508\">Asigurarea bunei func\u021bion\u0103ri a liniei de produc\u021bie<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1513\" data-end=\"1558\">Prevenirea deterior\u0103rii produsului \u00een timpul transportului<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1563\" data-end=\"1621\">\u00cendeplinirea cerin\u021belor clien\u021bilor privind consisten\u021ba materialelor<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen conformitate cu standardul, un <strong data-start=\"1652\" data-end=\"1664\">Testul COF<\/strong> presupune tragerea unei s\u0103nii acoperite cu materialul de \u00eencercare sau fabricate din acesta, pe o suprafa\u021b\u0103 plan\u0103, la o vitez\u0103 \u0219i o presiune specificate. Rezisten\u021ba \u00eent\u00e2mpinat\u0103 ajut\u0103 la determinarea <strong data-start=\"1836\" data-end=\"1900\">coeficien\u021bii de frecare static\u0103 (ini\u021bial\u0103) \u0219i cinetic\u0103 (alunecare)<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Parametrii \u0219i condi\u021biile coeficientului de frecare ASTM<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"2818\" data-end=\"2850\">Coeficientul de frecare ASTM<\/strong> specificat \u00een D1894 este efectuat \u00een urm\u0103toarele condi\u021bii:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2923\" data-end=\"2938\">Viteza de testare:<\/strong> 150 \u00b1 30 mm\/min<\/li>\n\n\n\n<li><strong data-start=\"2959\" data-end=\"2975\">Greutate sanie:<\/strong> 200 \u00b1 5 g<\/li>\n\n\n\n<li><strong data-start=\"2990\" data-end=\"3019\">Temperatura \u0219i umiditatea:<\/strong> Condi\u021bii de mediu standardizate pentru a asigura consecven\u021ba<\/li>\n\n\n\n<li><strong data-start=\"3084\" data-end=\"3108\">Dimensiunile specimenului:<\/strong> De obicei 63,5 mm x 127 mm, cu suprafe\u021be plane, uniforme<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ambele <strong data-start=\"3169\" data-end=\"3183\">COF static<\/strong> (m\u0103surat\u0103 ca for\u021b\u0103 de pornire a mi\u0219c\u0103rii) \u0219i <strong data-start=\"3228\" data-end=\"3243\">COF cinetic<\/strong> (m\u0103surat\u0103 ca for\u021ba de men\u021binere a mi\u0219c\u0103rii) sunt calculate. For\u021ba de frecare este m\u0103surat\u0103 \u00een newtoni \u0219i \u00eemp\u0103r\u021bit\u0103 la greutatea saniei pentru a determina valorile coeficien\u021bilor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Metoda de testare COF pas cu pas conform ASTM D1894<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"3484\" data-end=\"3503\">Metoda de testare COF<\/strong> include urm\u0103torii pa\u0219i:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"3538\" data-end=\"3565\">Condi\u021bionarea specimenelor<\/strong> \u00eentr-o atmosfer\u0103 standardizat\u0103 timp de cel pu\u021bin 40 de ore.<\/li>\n\n\n\n<li><strong data-start=\"3623\" data-end=\"3641\">A\u0219eza\u021bi sania<\/strong> (cu fa\u021ba \u00een jos fa\u021b\u0103 de suprafa\u021ba de testare) pe materialul de baz\u0103.<\/li>\n\n\n\n<li><strong data-start=\"3705\" data-end=\"3725\">Conecta\u021bi sania<\/strong> la senzorul de for\u021b\u0103 prin intermediul unui \u0219nur sau al unui c\u00e2rlig.<\/li>\n\n\n\n<li><strong data-start=\"3773\" data-end=\"3792\">Ini\u021bierea mo\u021biunii<\/strong> la o vitez\u0103 constant\u0103 \u0219i \u00eenregistra\u021bi valorile for\u021bei.<\/li>\n\n\n\n<li><strong data-start=\"3843\" data-end=\"3871\">Determinarea COF static<\/strong> de la for\u021ba maxim\u0103 \u00eenainte de \u00eenceperea mi\u0219c\u0103rii.<\/li>\n\n\n\n<li><strong data-start=\"3919\" data-end=\"3948\">Determina\u021bi COF cinetic<\/strong> din for\u021ba medie \u00een timpul mi\u0219c\u0103rii constante.<\/li>\n\n\n\n<li><strong data-start=\"3999\" data-end=\"4021\">Raporta\u021bi rezultatele<\/strong> inclusiv tipul de material, condi\u021biile de mediu \u0219i parametrii de testare.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Calibrarea corect\u0103, plasarea plan\u0103 \u0219i viteza constant\u0103 sunt esen\u021biale pentru a evita abaterile.<\/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=\"Care este metoda procesului de testare pentru coeficientul de frecare?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/NUgXENOz8J0?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<h2 class=\"wp-block-heading\">Alegerea testerului de coeficient de frecare potrivit<br>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru a \u00eendeplini cerin\u021bele precise ale ASTM D1894, este necesar\u0103 o <strong data-start=\"2042\" data-end=\"2077\">tester de coeficient de frecare<\/strong> este necesar. Un tester fiabil asigur\u0103 repetabilitatea, sensibilitatea \u0219i conformitatea cu standardul. \u00cen acest moment, <strong data-start=\"2195\" data-end=\"2254\">Cell Instruments\u2019 COF-01 Tester de coeficient de frecare<\/strong> se remarc\u0103 ca o solu\u021bie ideal\u0103. Este proiectat pentru:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2312\" data-end=\"2360\">M\u0103sur\u0103tori statice \u0219i cinetice precise ale COF<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2365\" data-end=\"2428\">Calibrarea automat\u0103 a for\u021bei \u0219i achizi\u021bia de date de mare vitez\u0103<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2433\" data-end=\"2499\">Conformitatea cu <a href=\"https:\/\/www.astm.org\/d1894-24.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1894<\/a>, ISO 8295 \u0219i standardele TAPPI T816<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Acest instrument este potrivit pentru <strong data-start=\"2533\" data-end=\"2595\">filme din plastic, h\u00e2rtie, folii, textile, laminate \u0219i altele<\/strong>. Acesta este adoptat pe scar\u0103 larg\u0103 de <strong data-start=\"2621\" data-end=\"2699\">Laboratoare QC, produc\u0103tori de ambalaje, transformatori \u0219i centre de cercetare<\/strong> pentru a \u00eembun\u0103t\u0103\u021bi coeren\u021ba \u0219i eficien\u021ba procesului.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contacta\u021bi-ne Ob\u021bine\u021bi solu\u021bia de testare ASTM D1894 <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Fie c\u0103 sunte\u021bi \u00een <strong data-start=\"5354\" data-end=\"5417\">fabricarea materialelor plastice, a h\u00e2rtiei, a ambalajelor sau a dispozitivelor medicale<\/strong>, \u00een\u021belegerea \u0219i aplicarea <strong data-start=\"5446\" data-end=\"5460\">ASTM D1894<\/strong> v\u0103 ofer\u0103 un avantaj competitiv. Cu dreptul <strong data-start=\"5506\" data-end=\"5540\">tester de coeficient de frecare<\/strong> cum ar fi <strong>COF-01<\/strong> de la Cell Instruments, opera\u021biunile dvs. vor fi mai coerente, eficiente \u0219i conforme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Persoan\u0103 de contact <strong>Instrumente celulare<\/strong> ast\u0103zi pentru a afla cum solu\u021biile noastre v\u0103 pot \u00eembun\u0103t\u0103\u021bi capacit\u0103\u021bile de testare \u0219i calitatea produselor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00centreb\u0103ri frecvente<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">1. Ce m\u0103soar\u0103 ASTM D1894?<\/a><br>Acesta m\u0103soar\u0103 coeficien\u021bii statici \u0219i cinetici de frecare dintre dou\u0103 suprafe\u021be, de obicei \u00een ambalaje \u0219i testarea materialelor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">2. De ce este important\u0103 testarea COF \u00een ambalaje?<\/a><br>Se asigur\u0103 c\u0103 materialele de ambalare se comport\u0103 \u00een mod constant \u00een timpul manipul\u0103rii, transportului \u0219i produc\u021biei automate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">3. Ce materiale sunt testate folosind ASTM D1894?<\/a><br>Materialele comune includ folii de plastic, h\u00e2rtii acoperite, laminate, folii \u0219i textile.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">4. Prin ce difer\u0103 COF static de COF cinetic?<\/a><br>COF static\u0103 este for\u021ba necesar\u0103 pentru a \u00eencepe mi\u0219carea, \u00een timp ce COF cinetic\u0103 este for\u021ba necesar\u0103 pentru a men\u021bine mi\u0219carea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00cen\u021belegerea ASTM D1894 \u0219i importan\u021ba sa \u00cen\u021belegerea ASTM D1894 este esen\u021bial\u0103 pentru industrii precum cea a ambalajelor, alimentar\u0103, medical\u0103, farmaceutic\u0103, textil\u0103 \u0219i pentru agen\u021biile de inspec\u021bie a calit\u0103\u021bii, toate acestea baz\u00e2ndu-se pe un comportament consecvent al materialelor pentru asigurarea calit\u0103\u021bii. Testarea ASTM D1894 contureaz\u0103 o procedur\u0103 clar\u0103 de determinare a caracteristicilor de frecare \u00eentre dou\u0103 suprafe\u021be \u00een condi\u021bii controlate. Acest test [...]<\/p>","protected":false},"featured_media":5423,"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-9828","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/standard\/9828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/media\/5423"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/media?parent=9828"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/ro\/wp-json\/wp\/v2\/standard-category?post=9828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}