{"id":525,"date":"2025-06-30T02:15:50","date_gmt":"2025-06-30T02:15:50","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?p=525"},"modified":"2025-06-30T02:15:51","modified_gmt":"2025-06-30T02:15:51","slug":"coefficient-of-friction-pvc-testing-guide-based-on-astm-d1894-and-iso-8295","status":"publish","type":"post","link":"https:\/\/www.coefficientfriction.com\/lt\/coefficient-of-friction-pvc-testing-guide-based-on-astm-d1894-and-iso-8295","title":{"rendered":"Trinties koeficiento bandymo vadovas, parengtas pagal ASTM D1894 ir ISO 8295"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>I<\/strong>\u012fvadas \u012f trinties koeficiento bandymus su PVC<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117 <em>trinties koeficientas PVC<\/em> yra labai svarbus PVC pl\u0117veli\u0173 ir lak\u0161t\u0173 parametras, ypa\u010d pakuo\u010di\u0173, medicinos prietais\u0173 ir pramonin\u0117s paskirties srityse. Trintis turi \u012ftakos med\u017eiag\u0173 elgesiui jas apdorojant, kraunant ar galutinai naudojant. \u0160ios savyb\u0117s supratimas ir tikslus matavimas u\u017etikrina kokyb\u0117s kontrol\u0117s nuoseklum\u0105 ir patikimum\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Du tarptautiniu mastu pripa\u017einti standartai.<em>ASTM D1894<\/em> ir <em>ISO 8295<\/em>-pateikia strukt\u016brizuotas statin\u0117s ir kinetin\u0117s trinties koeficient\u0173 nustatymo proced\u016bras. \u0160iame straipsnyje apra\u0161omas bandym\u0173 procesas, prietais\u0173 parinkimas ir rezultat\u0173 interpretavimas, ypating\u0105 d\u0117mes\u012f skiriant PVC med\u017eiagoms.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1894 standarto supratimas: PVC pl\u0117vel\u0117s trinties bandymai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br><em>ASTM D1894<\/em> pla\u010diai naudojamas plastik\u0173 pramon\u0117je matuojant tiek <strong>statinis<\/strong> ir <strong>kinetinis<\/strong> plastikini\u0173 pl\u0117veli\u0173, \u012fskaitant PVC, trinties koeficientas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ASTM D1894 reik\u0161m\u0117<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160iame standarte daugiausia d\u0117mesio skiriama <strong>slydimo savyb\u0117s<\/strong> plastikini\u0173 pl\u0117veli\u0173. \u0160ios savyb\u0117s ypa\u010d svarbios pakuot\u0117ms naudojamoms PVC pl\u0117vel\u0117ms, kuri\u0173 pavir\u0161iaus trintis turi \u012ftakos med\u017eiag\u0173 tvarkymui ir apdirbimui. Standarte taip pat atsi\u017evelgiama \u012f realias s\u0105lygas, pavyzd\u017eiui, aplinkos temperat\u016br\u0105 ir slydimo pried\u0173 sukelt\u0105 pavir\u0161iaus i\u0161brinkim\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pagrindin\u0117s bandym\u0173 proced\u016bros ypatyb\u0117s<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pavyzd\u017eio matmenys:<\/strong> Paprastai pagrindin\u0117 pl\u0117vel\u0117 (ant plok\u0161tumos) yra 250 \u00d7 130 mm dyd\u017eio, o prie rogi\u0173 pritvirtinta pl\u0117vel\u0117 yra 120 mm kvadrato dyd\u017eio.<\/li>\n\n\n\n<li><strong>Montavimo pl\u0117vel\u0117s:<\/strong> U\u017etikrinkite, kad abi pl\u0117vel\u0117s b\u016bt\u0173 be rauk\u0161li\u0173. Ma\u0161inos kryptis turi b\u016bti lygiagreti rogu\u010di\u0173 jud\u0117jimui.<\/li>\n\n\n\n<li><strong>Bandymo greitis:<\/strong> 150 \u00b1 30 mm\/min<\/li>\n\n\n\n<li><strong>Statinis koeficientas:<\/strong> Nustatoma pagal did\u017eiausi\u0105 j\u0117g\u0105, reikaling\u0105 judesiui prad\u0117ti<\/li>\n\n\n\n<li><strong>Kinetinis koeficientas:<\/strong> Apskai\u010diuojama pagal vidutin\u0119 j\u0117g\u0105, veikian\u010di\u0105 nuolatinio judesio metu<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Reikia stengtis i\u0161vengti u\u017eter\u0161imo ir deformacij\u0173, kurios gali tur\u0117ti \u012ftakos trinties vert\u0117ms. Taip pat svarbu i\u0161bandyti \u0161vie\u017eius pavir\u0161ius, kad b\u016bt\u0173 i\u0161vengta neatitikim\u0173 d\u0117l sen\u0117jimo ar pried\u0173 migracijos.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">ISO 8295 ir PVC med\u017eiag\u0173 trinties koeficientas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br><em>ISO 8295<\/em> si\u016blo lygiagret\u0173 metod\u0105, kaip \u012fvertinti <em>trinties koeficientas PVC<\/em>, \u012frangos ir princip\u0173 po\u017ei\u016briu atitinka ASTM D1894 standart\u0105, ta\u010diau \u0161iek tiek skiriasi proced\u016bros.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ISO 8295 principas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Atliekant bandym\u0105 matuojama j\u0117ga, kurios reikia, kad viena PVC pl\u0117vel\u0117 kontroliuojamomis s\u0105lygomis persikelt\u0173 per kit\u0105 arba per kit\u0105 med\u017eiag\u0105. Rezultatai <strong>statinis<\/strong> ir <strong>dinaminis<\/strong> trinties koeficientai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Testavimo aspektai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kontaktinis spaudimas:<\/strong> Turi b\u016bti u\u017etikrintas vienodas sl\u0117gis.<\/li>\n\n\n\n<li><strong>Svoris ir plotas:<\/strong> S\u0117dyn\u0117s turi atitikti standartinius parametrus (paprastai 200 g, 50 \u00d7 63,5 mm kontaktinis plotas).<\/li>\n\n\n\n<li><strong>Pl\u0117vel\u0117 \u012f pl\u0117vel\u0119 arba pl\u0117vel\u0117 \u012f metal\u0105:<\/strong> Leid\u017eiamos abi konfig\u016bracijos, ta\u010diau rezultatai skiriasi priklausomai nuo su med\u017eiaga besilie\u010dian\u010dio pavir\u0161iaus.<\/li>\n\n\n\n<li><strong>Pavir\u0161iaus kondicionavimas:<\/strong> U\u017etikrinkite, kad bandymai b\u016bt\u0173 atliekami tokiomis pa\u010diomis atmosferos s\u0105lygomis, kokios buvo naudojamos bandiniams i\u0161 anksto paruo\u0161ti.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Tinkamos PVC trinties bandym\u0173 \u012frangos pasirinkimas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>U\u017etikrinti tikslius ir atkuriamus bandymus, <strong>tikslieji prietaisai<\/strong> yra gyvybi\u0161kai svarb\u016bs. . <em>trinties koeficientas PVC<\/em> testavimas,... <strong>COF-01 trinties koeficiento testeris<\/strong> i\u0161 <strong>Cell Instruments<\/strong> labai rekomenduojama.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kod\u0117l verta rinktis COF-01 tester\u012f?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Atitiktis:<\/strong> Visi\u0161kai atitinka ASTM D1894 ir ISO 8295 reikalavimus<\/li>\n\n\n\n<li><strong>Tikslumas:<\/strong> Didel\u0117s skiriamosios gebos apkrovos jutikliai u\u017etikrina tiksl\u0173 j\u0117gos matavim\u0105<\/li>\n\n\n\n<li><strong>Universalumas:<\/strong> Palaiko bandymus \"pl\u0117vel\u0117-pl\u0117vel\u0117\" ir \"pl\u0117vel\u0117-metalas\".<\/li>\n\n\n\n<li><strong>Lengva naudoti:<\/strong> Intuityvi programin\u0117s \u012frangos s\u0105saja ir automatin\u0117s duomen\u0173 ataskaitos<\/li>\n\n\n\n<li><strong>Pritaikomumas:<\/strong> \"Cell Instruments\" taip pat si\u016blo specialiai pritaikytus sprendimus nestandartiniams bandini\u0173 dyd\u017eiams ar aplinkos s\u0105lygoms.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160i profesionali \u012franga padeda u\u017etikrinti, kad j\u016bs\u0173 tyrim\u0173 rezultatai b\u016bt\u0173 nuosekl\u016bs ir patikimi, ir padeda laikytis grie\u017et\u0173 kokyb\u0117s kontrol\u0117s reikalavim\u0173.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Geriausia patikim\u0173 rezultat\u0173 u\u017etikrinimo praktika<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Nor\u0117dami u\u017etikrinti patikimus trinties duomenis, gautus i\u0161 PVC m\u0117gini\u0173, laikykit\u0117s \u0161ios geriausios praktikos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>I\u0161bandykite \u0161vie\u017eius m\u0117ginius:<\/strong> Sen\u0117jimas gali tur\u0117ti \u012ftakos slydimo priedams ir pavir\u0161iaus savyb\u0117ms<\/li>\n\n\n\n<li><strong>Venkite u\u017eter\u0161imo:<\/strong> Pir\u0161t\u0173 atspaudai, dulk\u0117s ar alyva gali i\u0161kreipti rezultatus.<\/li>\n\n\n\n<li><strong>Bandymai atliekami nuosekliomis s\u0105lygomis:<\/strong> Laikykit\u0117s tos pa\u010dios temperat\u016bros ir dr\u0117gm\u0117s, kaip ir kondicionavimo metu.<\/li>\n\n\n\n<li><strong>Pakartojamumas:<\/strong> Statistiniam reik\u0161mingumui nustatyti naudokite ne ma\u017eiau kaip penkis bandinius<\/li>\n\n\n\n<li><strong>Reguliarus kalibravimas:<\/strong> U\u017etikrinti, kad \u012franga b\u016bt\u0173 reguliariai kalibruojama pagal sertifikuotus standartus.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">I\u0161vada<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Testavimas <em>trinties koeficientas PVC<\/em> yra b\u016btinas gamintojams ir kokyb\u0117s kontrol\u0117s specialistams, dirbantiems pakavimo, pl\u0117vel\u0117s apdorojimo ir pramonini\u0173 med\u017eiag\u0173 srityse. Po <strong>ASTM D1894<\/strong> ir <strong>ISO 8295<\/strong> u\u017etikrina nuosekl\u0173 ir visuotinai priimtin\u0105 vertinimo metod\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Naudodami <strong>Cell Instruments\u2019 COF-01 trinties koeficiento testeris<\/strong>, galite tiksliai ir u\u017etikrintai \u012fvertinti PVC pl\u0117veli\u0173 slydimo savybes. Tai leid\u017eia geriau parinkti med\u017eiag\u0105, pagerinti proceso kontrol\u0119 ir pagerinti gaminio savybes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Pagrindin\u0117s i\u0161vados<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Svetain\u0117 <em>trinties koeficientas PVC<\/em> daro tiesiogin\u012f poveik\u012f pakavimo linijos efektyvumui ir produkto tinkamumui naudoti.<\/li>\n\n\n\n<li>Standartai <strong>ASTM D1894<\/strong> ir <strong>ISO 8295<\/strong> pateikti i\u0161samias testavimo proced\u016bras.<\/li>\n\n\n\n<li><strong>COF-01 testeris<\/strong> i\u0161 <strong>Cell Instruments<\/strong> u\u017etikrina atitikt\u012f reikalavimams, tikslum\u0105 ir pakartojamus rezultatus.<\/li>\n\n\n\n<li>Norint gauti patikimus duomenis, labai svarbu tinkamai elgtis su m\u0117giniais, bandym\u0173 aplinka ir kalibravimu.<\/li>\n<\/ul>\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=\"Trinties koeficiento bandymo vadovas\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/wjEaNctP0KU?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>","protected":false},"excerpt":{"rendered":"<p>Introduction to Coefficient of Friction PVC Testing The coefficient of friction PVC is a critical performance parameter for PVC films and sheeting, especially in packaging, medical devices, and industrial applications. Friction affects how materials behave during processing, stacking, or in end-use. Understanding and accurately measuring this property ensures consistency and reliability in quality control. Two [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-525","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/posts\/525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/comments?post=525"}],"version-history":[{"count":1,"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/posts\/525\/revisions"}],"predecessor-version":[{"id":526,"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/posts\/525\/revisions\/526"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/media?parent=525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/categories?post=525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/lt\/wp-json\/wp\/v2\/tags?post=525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}