{"id":803,"date":"2026-06-02T06:56:04","date_gmt":"2026-06-02T06:56:04","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?page_id=803"},"modified":"2026-06-02T07:58:58","modified_gmt":"2026-06-02T07:58:58","slug":"astm-g143","status":"publish","type":"page","link":"https:\/\/www.coefficientfriction.com\/nb\/astm-g143","title":{"rendered":"ASTM G143"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"803\" class=\"elementor elementor-803\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d704b83 e-flex e-con-boxed e-con e-parent\" data-id=\"d704b83\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d2347d4 e-con-full e-flex e-con e-child\" data-id=\"d2347d4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4aa5d8c elementor-widget elementor-widget-image\" data-id=\"4aa5d8c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"100\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2026\/06\/ASTM-G143.webp\" class=\"attachment-large size-large wp-image-805\" alt=\"ASTM G143\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2026\/06\/ASTM-G143.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2026\/06\/ASTM-G143-18x6.webp 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-451ac2e elementor-widget elementor-widget-heading\" data-id=\"451ac2e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ASTM G143<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86af503 elementor-widget elementor-widget-heading\" data-id=\"86af503\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Standard pr\u00f8vingsmetode for m\u00e5ling av friksjonsegenskaper for bane\/valse<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b5ebfc9 e-con-full e-flex e-con e-child\" data-id=\"b5ebfc9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c7c7559 elementor-widget elementor-widget-text-editor\" data-id=\"c7c7559\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"429\" data-end=\"858\"><strong data-start=\"429\" data-end=\"442\">ASTM G143<\/strong> er en standardisert testmetode som brukes til \u00e5 evaluere friksjonen mellom et fleksibelt banemateriale og en sylindrisk valseoverflate. Metoden m\u00e5ler b\u00e5de den statiske og kinetiske friksjonskoeffisienten (COF) under glidekontakt og hjelper produsenter med \u00e5 forst\u00e5 hvordan banematerialer samvirker med valser ved konvertering, trykking, emballering, belegning, laminering og andre kontinuerlige baneprosesseringsoperasjoner.<\/p><p data-start=\"860\" data-end=\"1233\">I motsetning til konvensjonelle friksjonstester p\u00e5 flate overflater, fokuserer ASTM G143 spesielt p\u00e5 <strong data-start=\"943\" data-end=\"978\">m\u00e5ling av friksjon mellom rulle og nett<\/strong>, Det er mulig \u00e5 simulere virkelige produksjonsforhold der filmer, papir, folier, tekstiler og andre fleksible materialer beveger seg over valser. De resulterende friksjonsdataene kan brukes til prosessoptimalisering, materialutvikling, utstyrsdesign og kvalitetskontroll.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-77d973a e-flex e-con-boxed e-con e-parent\" data-id=\"77d973a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29344a9 elementor-widget elementor-widget-heading\" data-id=\"29344a9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hvorfor ASTM G143-testing er viktig<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c31e0c9 elementor-widget elementor-widget-text-editor\" data-id=\"c31e0c9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1279\" data-end=\"1488\">I mange produksjonsprosesser transporteres fleksible materialer gjennom en serie med driv- og l\u00f8pevalser. Friksjonsegenskapene mellom banen og valsen har direkte innvirkning p\u00e5 maskinens ytelse.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-19f63ba e-con-full e-grid e-con e-child\" data-id=\"19f63ba\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3354326 elementor-widget elementor-widget-text-editor\" data-id=\"3354326\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1490\" data-end=\"1513\">Hvis friksjonen er for lav:<\/p><ul data-start=\"1515\" data-end=\"1640\"><li data-section-id=\"g7o52g\" data-start=\"1515\" data-end=\"1545\">Materialet kan skli p\u00e5 rullene<\/li><li data-section-id=\"11psfe7\" data-start=\"1546\" data-end=\"1577\">Registreringsfeil kan forekomme<\/li><li data-section-id=\"kaueoe\" data-start=\"1578\" data-end=\"1612\">Nettsporing kan bli ustabilt<\/li><li data-section-id=\"1wb1y50\" data-start=\"1613\" data-end=\"1640\">Det kan oppst\u00e5 skade p\u00e5 produktet<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2467481 elementor-widget elementor-widget-text-editor\" data-id=\"2467481\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1642\" data-end=\"1666\">Hvis friksjonen er for h\u00f8y:<\/p><ul data-start=\"1668\" data-end=\"1818\"><li data-section-id=\"1gocjer\" data-start=\"1668\" data-end=\"1703\">Overdreven motorbelastning kan utvikle seg<\/li><li data-section-id=\"13zh7hq\" data-start=\"1704\" data-end=\"1744\">Det kan oppst\u00e5 problemer med styring og sporing<\/li><li data-section-id=\"10tu6rr\" data-start=\"1745\" data-end=\"1774\">Overflateskader kan \u00f8ke<\/li><li data-section-id=\"8inqks\" data-start=\"1775\" data-end=\"1818\">Materialh\u00e5ndteringseffektiviteten kan reduseres<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9adc4f5 elementor-widget elementor-widget-text-editor\" data-id=\"9adc4f5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ved \u00e5 utf\u00f8re en <strong data-start=\"1837\" data-end=\"1879\">ASTM G143 test av friksjonskoeffisient<\/strong>, kan produsentene kvantifisere samspillet mellom valse og nett og ta informerte beslutninger om materialvalg, valsebelegg, sm\u00f8remidler og prosessparametere.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4712be6 e-flex e-con-boxed e-con e-parent\" data-id=\"4712be6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a8dc215 elementor-widget elementor-widget-heading\" data-id=\"a8dc215\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hva m\u00e5les i ASTM G143?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3233171 elementor-widget elementor-widget-text-editor\" data-id=\"3233171\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2083\" data-end=\"2103\">Testen avgj\u00f8r:<\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2105\" data-end=\"2516\"><thead data-start=\"2105\" data-end=\"2132\"><tr data-start=\"2105\" data-end=\"2132\"><th class=\"last:pe-10\" data-start=\"2105\" data-end=\"2117\" data-col-size=\"md\">Parameter<\/th><th class=\"last:pe-10\" data-start=\"2117\" data-end=\"2132\" data-col-size=\"md\">Beskrivelse<\/th><\/tr><\/thead><tbody data-start=\"2162\" data-end=\"2516\"><tr data-start=\"2162\" data-end=\"2251\"><td style=\"text-align: center;\" data-start=\"2162\" data-end=\"2208\" data-col-size=\"md\">Statisk friksjonskoeffisient (statisk COF)<\/td><td style=\"text-align: center;\" data-start=\"2208\" data-end=\"2251\" data-col-size=\"md\">Motstand mot initiering av glidning<\/td><\/tr><tr data-start=\"2252\" data-end=\"2340\"><td style=\"text-align: center;\" data-start=\"2252\" data-end=\"2300\" data-col-size=\"md\">Kinetisk friksjonskoeffisient (dynamisk COF)<\/td><td style=\"text-align: center;\" data-start=\"2300\" data-end=\"2340\" data-col-size=\"md\">Motstand under kontinuerlig glidning<\/td><\/tr><tr data-start=\"2341\" data-end=\"2408\"><td style=\"text-align: center;\" data-start=\"2341\" data-end=\"2358\" data-col-size=\"md\">Friksjonskraft<\/td><td style=\"text-align: center;\" data-start=\"2358\" data-end=\"2408\" data-col-size=\"md\">Kraft som kreves for \u00e5 flytte banen over valsen<\/td><\/tr><tr data-start=\"2409\" data-end=\"2516\"><td style=\"text-align: center;\" data-start=\"2409\" data-end=\"2450\" data-col-size=\"md\">Interaksjonsegenskaper mellom rulle og nett<\/td><td style=\"text-align: center;\" data-start=\"2450\" data-end=\"2516\" data-col-size=\"md\">Overordnet friksjonsoppf\u00f8rsel under simulerte driftsforhold<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"2518\" data-end=\"2570\">Disse m\u00e5lingene gir verdifull informasjon for:<\/p><ul data-start=\"2572\" data-end=\"2702\"><li data-section-id=\"1o2zig4\" data-start=\"2572\" data-end=\"2589\">Prosesskontroll<\/li><li data-section-id=\"hdv7ya\" data-start=\"2590\" data-end=\"2608\">Valg av valser<\/li><li data-section-id=\"11vjoz6\" data-start=\"2609\" data-end=\"2637\">Evaluering av overflatebelegg<\/li><li data-section-id=\"1gsp2x2\" data-start=\"2638\" data-end=\"2660\">Vurdering av sm\u00f8remiddel<\/li><li data-section-id=\"1wzx7yo\" data-start=\"2661\" data-end=\"2682\">Produktutvikling<\/li><li data-section-id=\"1y5e8wa\" data-start=\"2683\" data-end=\"2702\">Kvalitetssikring<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2944a56 e-flex e-con-boxed e-con e-parent\" data-id=\"2944a56\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b28608e elementor-widget elementor-widget-heading\" data-id=\"b28608e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Testprinsipp for ASTM G143<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-829d028 elementor-widget elementor-widget-text-editor\" data-id=\"829d028\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2744\" data-end=\"2833\">Den <strong data-start=\"2748\" data-end=\"2789\">cof-testmetode for rullebanesystemer<\/strong> er basert p\u00e5 friksjonsprinsippet.<\/p><p data-start=\"2835\" data-end=\"3060\">En smal stripe av banemateriale vikles rundt en stasjon\u00e6r sylindrisk rulle med en spesifisert viklingsvinkel. Den ene enden av pr\u00f8ven festes til en kraftm\u00e5ler, mens en kjent spenning p\u00e5f\u00f8res den motsatte enden.<\/p><p data-start=\"3062\" data-end=\"3279\">Etter hvert som pr\u00f8ven glir over rulleoverflaten, m\u00e5les kontinuerlig kraften som kreves for \u00e5 overvinne friksjonen. De statiske og kinetiske friksjonskoeffisientene beregnes deretter ut fra de m\u00e5lte spenningsverdiene.<\/p><p data-start=\"3281\" data-end=\"3330\">Beregningen er basert p\u00e5 capstan-ligningen:<\/p><div style=\"display: flex; align-items: center; justify-content: center; font-family: 'Times New Roman', Times, serif; font-size: 1.3rem; font-style: italic;\"><p><span style=\"margin-right: 8px; font-size: 1.4rem;\">\u03bc =<\/span><\/p><div style=\"display: flex; flex-direction: column; align-items: center; text-align: center;\"><p><span style=\"padding: 0 4px; line-height: 1.2;\">ln(T<sub>2<\/sub>\/T<sub>1<\/sub>)<\/span><\/p><div style=\"width: 100%; height: 1px; background-color: #000; margin: 2px 0;\">\u00a0<\/div><p><span style=\"padding: 0 4px; line-height: 1.2;\">\u03b8<\/span><\/p><\/div><\/div><p data-start=\"3371\" data-end=\"3377\">Hvor?<\/p><ul data-start=\"3379\" data-end=\"3491\"><li data-section-id=\"m1vref\" data-start=\"3379\" data-end=\"3408\">\u03bc = friksjonskoeffisient<\/li><li data-section-id=\"127wvr7\" data-start=\"3409\" data-end=\"3436\">T\u2082 = h\u00f8yere strekkraft<\/li><li data-section-id=\"1s18gq\" data-start=\"3437\" data-end=\"3463\">T\u2081 = lavere spenningskraft<\/li><li data-section-id=\"1wh7x0d\" data-start=\"3464\" data-end=\"3491\">\u03b8 = oml\u00f8psvinkel i radianer<\/li><\/ul><p data-start=\"3493\" data-end=\"3613\">Denne tiln\u00e6rmingen muliggj\u00f8r realistisk simulering av banetransportsystemer som ofte brukes i industrielle produksjonsmilj\u00f8er.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eb9d24d e-flex e-con-boxed e-con e-parent\" data-id=\"eb9d24d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-153eddc elementor-widget elementor-widget-heading\" data-id=\"153eddc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM G143 Testprosedyre<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-340b2af elementor-widget elementor-widget-heading\" data-id=\"340b2af\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Klargj\u00f8ring av pr\u00f8ven<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e33d0fb elementor-widget elementor-widget-text-editor\" data-id=\"e33d0fb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"3675\" data-end=\"3737\">Riktig pr\u00f8veforberedelse er avgj\u00f8rende for \u00e5 f\u00e5 p\u00e5litelige resultater.<\/p><p data-start=\"3739\" data-end=\"3775\">Typiske dimensjoner p\u00e5 pr\u00f8vene er blant annet<\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3777\" data-end=\"3902\"><thead data-start=\"3777\" data-end=\"3806\"><tr data-start=\"3777\" data-end=\"3806\"><th class=\"last:pe-10\" data-start=\"3777\" data-end=\"3789\" data-col-size=\"sm\">Parameter<\/th><th class=\"last:pe-10\" data-start=\"3789\" data-end=\"3806\" data-col-size=\"sm\">Typisk verdi<\/th><\/tr><\/thead><tbody data-start=\"3838\" data-end=\"3902\"><tr data-start=\"3838\" data-end=\"3855\"><td style=\"text-align: center;\" data-start=\"3838\" data-end=\"3846\" data-col-size=\"sm\">Bredde<\/td><td style=\"text-align: center;\" data-start=\"3846\" data-end=\"3855\" data-col-size=\"sm\">25 mm<\/td><\/tr><tr data-start=\"3856\" data-end=\"3875\"><td style=\"text-align: center;\" data-start=\"3856\" data-end=\"3865\" data-col-size=\"sm\">Lengde<\/td><td style=\"text-align: center;\" data-start=\"3865\" data-end=\"3875\" data-col-size=\"sm\">500 mm<\/td><\/tr><tr data-start=\"3876\" data-end=\"3902\"><td style=\"text-align: center;\" data-start=\"3876\" data-end=\"3897\" data-col-size=\"sm\">Minimum antall replikater<\/td><td style=\"text-align: center;\" data-start=\"3897\" data-end=\"3902\" data-col-size=\"sm\">3<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"3904\" data-end=\"3929\">Viktige hensyn:<\/p><ul data-start=\"3931\" data-end=\"4160\"><li data-section-id=\"1c5a4z2\" data-start=\"3931\" data-end=\"3971\">Bruk nytt materiale n\u00e5r det er mulig.<\/li><li data-section-id=\"exqdfq\" data-start=\"3972\" data-end=\"4003\">Unng\u00e5 \u00e5 ber\u00f8re testoverflatene.<\/li><li data-section-id=\"1oxoehj\" data-start=\"4004\" data-end=\"4038\">Unng\u00e5 kantgraver p\u00e5 pr\u00f8vene.<\/li><li data-section-id=\"u5y54f\" data-start=\"4039\" data-end=\"4080\">Oppretthold en konsekvent pr\u00f8veorientering.<\/li><li data-section-id=\"ph4enw\" data-start=\"4081\" data-end=\"4160\">Test materialene i samme tilstand som de er produsert, med mindre annet er spesifisert.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e204845 elementor-widget elementor-widget-heading\" data-id=\"e204845\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Montering av pr\u00f8ven<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87800b5 elementor-widget elementor-widget-text-editor\" data-id=\"87800b5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4190\" data-end=\"4217\">Pr\u00f8ven er montert av:<\/p><ol data-start=\"4219\" data-end=\"4422\"><li data-section-id=\"ewfbck\" data-start=\"4219\" data-end=\"4264\">Fest den ene enden til kraftgiveren.<\/li><li data-section-id=\"z89xu0\" data-start=\"4265\" data-end=\"4310\">Drapering av pr\u00f8ven over testrullen.<\/li><li data-section-id=\"eijcwt\" data-start=\"4311\" data-end=\"4355\">Bruk den spesifiserte strammevekten.<\/li><li data-section-id=\"1a3d3a3\" data-start=\"4356\" data-end=\"4385\">Sikrer riktig justering.<\/li><li data-section-id=\"59uekt\" data-start=\"4386\" data-end=\"4422\">Unng\u00e5 skarpe b\u00f8yninger eller rynker.<\/li><\/ol><p data-start=\"4424\" data-end=\"4498\">Korrekt montering minimerer testvariabiliteten og forbedrer repeterbarheten.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7915411 elementor-widget elementor-widget-heading\" data-id=\"7915411\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Stille inn skyveparametere<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f32668 elementor-widget elementor-widget-text-editor\" data-id=\"3f32668\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-start=\"4537\" data-end=\"4558\">Glidehastighet<\/h4><p data-start=\"4560\" data-end=\"4639\">ASTM G143 anbefaler \u00e5 velge hastigheter som simulerer den faktiske p\u00e5f\u00f8ringen.<\/p><p data-start=\"4641\" data-end=\"4679\">Typiske testhastigheter varierer fra:<\/p><ul data-start=\"4681\" data-end=\"4785\"><li data-section-id=\"1245gj7\" data-start=\"4681\" data-end=\"4730\">5 mm\/min til 100 mm\/min for simuleringer med lav sklisikkerhet<\/li><li data-section-id=\"17qfci2\" data-start=\"4731\" data-end=\"4785\">H\u00f8yere hastigheter n\u00e5r spesifikke bruksomr\u00e5der krever det<\/li><\/ul><p data-start=\"4787\" data-end=\"4865\">Valg av hastighet b\u00f8r gjenspeile reelle driftsforhold n\u00e5r det er mulig.<\/p><h4 data-start=\"4867\" data-end=\"4888\">Glidende avstand<\/h4><p data-start=\"4890\" data-end=\"4919\">For statisk COF-bestemmelse:<\/p><ul data-start=\"4921\" data-end=\"4968\"><li data-section-id=\"7skj74\" data-start=\"4921\" data-end=\"4968\">Glidningen kan stoppe kort tid etter at bevegelsen begynner.<\/li><\/ul><p data-start=\"4970\" data-end=\"5011\">For statisk og kinetisk COF-bestemmelse:<\/p><ul data-start=\"5013\" data-end=\"5056\"><li data-section-id=\"1c1xel6\" data-start=\"5013\" data-end=\"5056\">Lengre glideavstander anbefales.<\/li><\/ul><p data-start=\"5058\" data-end=\"5101\">ASTM interlaboratoriestudier som ofte brukes:<\/p><ul data-start=\"5103\" data-end=\"5128\"><li data-section-id=\"187g27h\" data-start=\"5103\" data-end=\"5128\">150 mm glideavstand<\/li><\/ul><h4 data-start=\"5130\" data-end=\"5146\">Nettspenning<\/h4><p data-start=\"5148\" data-end=\"5203\">Banespenningen skal representere de faktiske prosessforholdene.<\/p><p data-start=\"5205\" data-end=\"5233\">Typisk testing kan omfatte:<\/p><ul data-start=\"5235\" data-end=\"5343\"><li data-section-id=\"xfes7t\" data-start=\"5235\" data-end=\"5260\">Flere spenningsniv\u00e5er<\/li><li data-section-id=\"djbt3f\" data-start=\"5261\" data-end=\"5307\">Maksimal spenning p\u00e5 opptil 150 N p\u00e5 en 25 mm stripe<\/li><li data-section-id=\"3opu6w\" data-start=\"5308\" data-end=\"5343\">Repeterbarhetsstudier rundt 45 N<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49de134 elementor-widget elementor-widget-heading\" data-id=\"49de134\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Stille inn skyveparametere<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eccdb39 elementor-widget elementor-widget-text-editor\" data-id=\"eccdb39\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"5369\" data-end=\"5428\">Omviklingsvinkelen p\u00e5virker friksjonsberegningene i betydelig grad.<\/p><p data-start=\"5430\" data-end=\"5452\">Vanlige verdier inkluderer:<\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"5454\" data-end=\"5612\"><thead data-start=\"5454\" data-end=\"5482\"><tr data-start=\"5454\" data-end=\"5482\"><th class=\"last:pe-10\" data-start=\"5454\" data-end=\"5467\" data-col-size=\"sm\">Wrap Angle<\/th><th class=\"last:pe-10\" data-start=\"5467\" data-end=\"5482\" data-col-size=\"sm\">S\u00f8knad<\/th><\/tr><\/thead><tbody data-start=\"5512\" data-end=\"5612\"><tr data-start=\"5512\" data-end=\"5546\"><td data-start=\"5512\" data-end=\"5518\" data-col-size=\"sm\">90\u00b0<\/td><td data-start=\"5518\" data-end=\"5546\" data-col-size=\"sm\">Anbefalt av ASTM G143<\/td><\/tr><tr data-start=\"5547\" data-end=\"5573\"><td data-start=\"5547\" data-end=\"5554\" data-col-size=\"sm\">180\u00b0<\/td><td data-start=\"5554\" data-end=\"5573\" data-col-size=\"sm\">Maksimalt tillatt<\/td><\/tr><tr data-start=\"5574\" data-end=\"5612\"><td data-start=\"5574\" data-end=\"5590\" data-col-size=\"sm\">Tilpassede vinkler<\/td><td data-start=\"5590\" data-end=\"5612\" data-col-size=\"sm\">Simulering av prosesser<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"5614\" data-end=\"5697\">En 90\u00b0 omviklingsvinkel er mye brukt fordi den balanserer praktisk bruk og repeterbarhet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-13318d3 e-flex e-con-boxed e-con e-parent\" data-id=\"13318d3\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2583bec elementor-widget elementor-widget-heading\" data-id=\"2583bec\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM G143 vs. ASTM D1894<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c0cc36 elementor-widget elementor-widget-text-editor\" data-id=\"8c0cc36\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"7124\" data-end=\"7169\">Mange brukere sammenligner ASTM G143 med <a href=\"https:\/\/www.coefficientfriction.com\/nb\/astm-d1894\/\" target=\"_blank\" rel=\"noopener\">ASTM D1894<\/a>.<\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"7171\" data-end=\"7517\"><thead data-start=\"7171\" data-end=\"7207\"><tr data-start=\"7171\" data-end=\"7207\"><th class=\"last:pe-10\" data-start=\"7171\" data-end=\"7181\" data-col-size=\"sm\">Funksjon<\/th><th class=\"last:pe-10\" data-start=\"7181\" data-end=\"7193\" data-col-size=\"sm\">ASTM G143<\/th><th class=\"last:pe-10\" data-start=\"7193\" data-end=\"7207\" data-col-size=\"sm\">ASTM D1894<\/th><\/tr><\/thead><tbody data-start=\"7246\" data-end=\"7517\"><tr data-start=\"7246\" data-end=\"7294\"><td style=\"text-align: center;\" data-start=\"7246\" data-end=\"7265\" data-col-size=\"sm\">Kontaktgeometri<\/td><td style=\"text-align: center;\" data-start=\"7265\" data-end=\"7278\" data-col-size=\"sm\">Roller-Web<\/td><td style=\"text-align: center;\" data-start=\"7278\" data-end=\"7294\" data-col-size=\"sm\">Flat overflate<\/td><\/tr><tr data-start=\"7295\" data-end=\"7370\"><td style=\"text-align: center;\" data-start=\"7295\" data-end=\"7317\" data-col-size=\"sm\">Prim\u00e6r applikasjon<\/td><td style=\"text-align: center;\" data-start=\"7317\" data-end=\"7341\" data-col-size=\"sm\">Webtransportsystemer<\/td><td style=\"text-align: center;\" data-start=\"7341\" data-end=\"7370\" data-col-size=\"sm\">Generell materialfriksjon<\/td><\/tr><tr data-start=\"7371\" data-end=\"7418\"><td style=\"text-align: center;\" data-start=\"7371\" data-end=\"7388\" data-col-size=\"sm\">Friksjonsmodell<\/td><td style=\"text-align: center;\" data-start=\"7388\" data-end=\"7404\" data-col-size=\"sm\">Capstan-basert<\/td><td style=\"text-align: center;\" data-start=\"7404\" data-end=\"7418\" data-col-size=\"sm\">Slede-basert<\/td><\/tr><tr data-start=\"7419\" data-end=\"7459\"><td style=\"text-align: center;\" data-start=\"7419\" data-end=\"7440\" data-col-size=\"sm\">Simulering av prosesser<\/td><td style=\"text-align: center;\" data-start=\"7440\" data-end=\"7447\" data-col-size=\"sm\">H\u00f8y<\/td><td style=\"text-align: center;\" data-start=\"7447\" data-end=\"7459\" data-col-size=\"sm\">Moderat<\/td><\/tr><tr data-start=\"7460\" data-end=\"7517\"><td style=\"text-align: center;\" data-start=\"7460\" data-end=\"7488\" data-col-size=\"sm\">Evaluering av emballasjefilm<\/td><td style=\"text-align: center;\" data-start=\"7488\" data-end=\"7500\" data-col-size=\"sm\">Utmerket<\/td><td style=\"text-align: center;\" data-start=\"7500\" data-end=\"7517\" data-col-size=\"sm\">Vanlig brukt<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"7519\" data-end=\"7680\">ASTM D1894 er fortsatt den mest brukte COF-metoden for emballasjefilm, mens ASTM G143 gir en mer realistisk simulering av rulledrevne produksjonsmilj\u00f8er.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2611852 e-flex e-con-boxed e-con e-parent\" data-id=\"2611852\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7e3a05c e-con-full e-flex e-con e-child\" data-id=\"7e3a05c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b0a9a8c elementor-widget elementor-widget-heading\" data-id=\"b0a9a8c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Utstyr for ASTM G143-testing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c8ccf38 elementor-widget elementor-widget-text-editor\" data-id=\"c8ccf38\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"7723\" data-end=\"7761\">Utf\u00f8relse av ASTM G143-testing krever:<\/p><ul data-start=\"7763\" data-end=\"7965\"><li data-section-id=\"1ypbcdl\" data-start=\"7763\" data-end=\"7792\">Presis kraftm\u00e5ling<\/li><li data-section-id=\"uaac5\" data-start=\"7793\" data-end=\"7818\">Kontrollert forskyvning<\/li><li data-section-id=\"1qgmycu\" data-start=\"7819\" data-end=\"7842\">Justerbar testhastighet<\/li><li data-section-id=\"p6pqox\" data-start=\"7843\" data-end=\"7872\">Kapasitet for datainnsamling<\/li><li data-section-id=\"1535ikj\" data-start=\"7873\" data-end=\"7902\">Spesialiserte rullefiksturer<\/li><li data-section-id=\"rojj7b\" data-start=\"7903\" data-end=\"7940\">Justerbar konfigurasjon av omslutningsvinkelen<\/li><li data-section-id=\"1ypn48f\" data-start=\"7941\" data-end=\"7965\">System for strekkbelastning<\/li><\/ul><p data-start=\"7967\" data-end=\"8108\">Mange laboratorier bruker en universell strekkpr\u00f8vingsplattform utstyrt med tilpassede friksjonsfiksturer for \u00e5 m\u00e5le friksjonen mellom ruller og nett.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-25c167f e-con-full e-flex e-con e-child\" data-id=\"25c167f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-35feb3f elementor-widget elementor-widget-heading\" data-id=\"35feb3f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cell Instruments-l\u00f8sning<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0c8677 elementor-widget elementor-widget-text-editor\" data-id=\"d0c8677\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"8141\" data-end=\"8284\">Den <strong data-start=\"8145\" data-end=\"8170\">TST-01 Strekkpr\u00f8vetester<\/strong> kan fungere som kjerneplattform for ASTM G143-testing n\u00e5r den kombineres med en spesialtilpasset rulle-\/nettfriksjonsfikstur.<\/p><p data-start=\"8286\" data-end=\"8309\">Viktige fordeler inkluderer:<\/p><ul data-start=\"8311\" data-end=\"8628\"><li data-section-id=\"k3au6w\" data-start=\"8311\" data-end=\"8361\">PLS-styrt drift med 7-tommers ber\u00f8ringsskjerm<\/li><li data-section-id=\"1o8juqv\" data-start=\"8362\" data-end=\"8402\">Drivsystem med kuleskruer med h\u00f8y presisjon<\/li><li data-section-id=\"11r2jjw\" data-start=\"8403\" data-end=\"8439\">Justerbar hastighet fra 1-500 mm\/min<\/li><li data-section-id=\"12uftm5\" data-start=\"8440\" data-end=\"8469\">Kraftkapasitet p\u00e5 opptil 1 kN<\/li><li data-section-id=\"9x1ctf\" data-start=\"8470\" data-end=\"8505\">N\u00f8yaktig m\u00e5ling av forskyvning<\/li><li data-section-id=\"heoxsq\" data-start=\"8506\" data-end=\"8537\">Kraftkurvevisning i sanntid<\/li><li data-section-id=\"ofk9hg\" data-start=\"8538\" data-end=\"8566\">Integrering av tilpasset inventar<\/li><li data-section-id=\"cs3dmn\" data-start=\"8567\" data-end=\"8628\">Fleksibel konfigurasjon for spesialiserte testkrav<\/li><\/ul><p data-start=\"8630\" data-end=\"8807\">For laboratorier som evaluerer flere materialer og friksjonsforhold, kan spesialtilpassede fiksturer og flerstasjonsl\u00f8sninger forbedre testeffektiviteten og repeterbarheten ytterligere.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-16cdbb1 e-flex e-con-boxed e-con e-parent\" data-id=\"16cdbb1\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-911e548 elementor-widget elementor-widget-text-editor\" data-id=\"911e548\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"9941\" data-end=\"10593\">Forst\u00e5else av friksjonsegenskapene til valser og baner er avgj\u00f8rende for \u00e5 sikre stabil baneh\u00e5ndtering, effektiv produksjon og jevn produktkvalitet. <a href=\"https:\/\/store.astm.org\/g0143-03r18.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM G143<\/a> gir verdifulle data for evaluering av materialer, valseoverflater, belegg og prosesseringsforhold. Cell Instruments tilbyr strekkpr\u00f8vingsplattformer, tilpassede friksjonsfiksturer og applikasjonsspesifikke testl\u00f8sninger som er utformet for \u00e5 st\u00f8tte ASTM G143 og andre krav til friksjonskoeffisienttesting. Enten du utvikler nye materialer eller forbedrer produksjonsytelsen, kan valg av riktig testsystem bidra til \u00e5 generere p\u00e5litelige og handlingsrettede friksjonsdata.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM G143 Standard Test Method for Measurement of Web\/Roller Friction Characteristics ASTM G143 is a standardized test method used to evaluate the friction behavior between a flexible web material and a cylindrical roller surface. The method measures both the static and kinetic coefficient of friction (COF) during sliding contact and helps manufacturers understand how web [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-803","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/nb\/wp-json\/wp\/v2\/pages\/803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/nb\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/nb\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/nb\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/nb\/wp-json\/wp\/v2\/comments?post=803"}],"version-history":[{"count":4,"href":"https:\/\/www.coefficientfriction.com\/nb\/wp-json\/wp\/v2\/pages\/803\/revisions"}],"predecessor-version":[{"id":808,"href":"https:\/\/www.coefficientfriction.com\/nb\/wp-json\/wp\/v2\/pages\/803\/revisions\/808"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/nb\/wp-json\/wp\/v2\/media?parent=803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}