{"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\/sl\/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\">Standardna preskusna metoda za merjenje lastnosti trenja med platnom in valjem<\/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> je standardizirana preskusna metoda, ki se uporablja za ocenjevanje trenja med pro\u017enim trakom in valjasto povr\u0161ino valja. Metoda meri stati\u010dni in kineti\u010dni koeficient trenja (COF) med drsnim stikom in pomaga proizvajalcem razumeti, kako tra\u010dni materiali vplivajo na valje pri predelavi, tiskanju, pakiranju, premazovanju, laminiranju in drugih kontinuiranih postopkih obdelave traku.<\/p><p data-start=\"860\" data-end=\"1233\">Za razliko od obi\u010dajnih preskusov trenja na ravnih povr\u0161inah se standard ASTM G143 osredoto\u010da zlasti na <strong data-start=\"943\" data-end=\"978\">merjenje trenja valja\/kanala<\/strong>, ki simulira resni\u010dne proizvodne pogoje, v katerih se filmi, papir, folije, tekstil in drugi pro\u017eni materiali premikajo po valjih. Pridobljeni podatki o trenju se lahko uporabijo za optimizacijo procesa, razvoj materialov, na\u010drtovanje opreme in nadzor kakovosti.<\/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\">Zakaj je pomembno testiranje po standardu 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-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\">V \u0161tevilnih proizvodnih procesih se pro\u017eni materiali preva\u017eajo po vrsti pogonskih in vzmetnih valjev. Karakteristike trenja med trakom in valjem neposredno vplivajo na zmogljivost stroja.<\/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\">\u010ce je trenje prenizko:<\/p><ul data-start=\"1515\" data-end=\"1640\"><li data-section-id=\"g7o52g\" data-start=\"1515\" data-end=\"1545\">Material lahko zdrsne na valjih<\/li><li data-section-id=\"11psfe7\" data-start=\"1546\" data-end=\"1577\">Pri registraciji lahko pride do napak.<\/li><li data-section-id=\"kaueoe\" data-start=\"1578\" data-end=\"1612\">Spletno sledenje lahko postane nestabilno<\/li><li data-section-id=\"1wb1y50\" data-start=\"1613\" data-end=\"1640\">Lahko pride do po\u0161kodbe izdelka<\/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\">\u010ce je trenje preveliko:<\/p><ul data-start=\"1668\" data-end=\"1818\"><li data-section-id=\"1gocjer\" data-start=\"1668\" data-end=\"1703\">Prevelike obremenitve motorja se lahko razvijejo<\/li><li data-section-id=\"13zh7hq\" data-start=\"1704\" data-end=\"1744\">Pojavijo se lahko te\u017eave s krmiljenjem in sledenjem.<\/li><li data-section-id=\"10tu6rr\" data-start=\"1745\" data-end=\"1774\">Povr\u0161inske po\u0161kodbe se lahko pove\u010dajo<\/li><li data-section-id=\"8inqks\" data-start=\"1775\" data-end=\"1818\">U\u010dinkovitost ravnanja z materialom se lahko zmanj\u0161a.<\/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>Z izvajanjem <strong data-start=\"1837\" data-end=\"1879\">Preskus koeficienta trenja po standardu ASTM G143<\/strong>, lahko proizvajalci kvantificirajo interakcijo med valj\u010dkom in mre\u017eo ter sprejmejo utemeljene odlo\u010ditve glede izbire materiala, premazov za valj\u010dke, maziv in parametrov postopka.<\/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\">Kaj se meri v standardu 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\">S testom dolo\u010dite:<\/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\">Opis<\/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\">Stati\u010dni koeficient trenja (stati\u010dni COF)<\/td><td style=\"text-align: center;\" data-start=\"2208\" data-end=\"2251\" data-col-size=\"md\">Odpornost proti drsenju<\/td><\/tr><tr data-start=\"2252\" data-end=\"2340\"><td style=\"text-align: center;\" data-start=\"2252\" data-end=\"2300\" data-col-size=\"md\">Kineti\u010dni koeficient trenja (dinami\u010dni COF)<\/td><td style=\"text-align: center;\" data-start=\"2300\" data-end=\"2340\" data-col-size=\"md\">Odpor med neprekinjenim drsenjem<\/td><\/tr><tr data-start=\"2341\" data-end=\"2408\"><td style=\"text-align: center;\" data-start=\"2341\" data-end=\"2358\" data-col-size=\"md\">Sila trenja<\/td><td style=\"text-align: center;\" data-start=\"2358\" data-end=\"2408\" data-col-size=\"md\">Sila, ki je potrebna za premikanje traku po valju<\/td><\/tr><tr data-start=\"2409\" data-end=\"2516\"><td style=\"text-align: center;\" data-start=\"2409\" data-end=\"2450\" data-col-size=\"md\">Zna\u010dilnosti interakcije med valj\u010dkom in mre\u017eo<\/td><td style=\"text-align: center;\" data-start=\"2450\" data-end=\"2516\" data-col-size=\"md\">Splo\u0161no obna\u0161anje pri trenju v simuliranih delovnih pogojih<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"2518\" data-end=\"2570\">Te meritve zagotavljajo dragocene informacije za:<\/p><ul data-start=\"2572\" data-end=\"2702\"><li data-section-id=\"1o2zig4\" data-start=\"2572\" data-end=\"2589\">Nadzor procesa<\/li><li data-section-id=\"hdv7ya\" data-start=\"2590\" data-end=\"2608\">Izbira valjev<\/li><li data-section-id=\"11vjoz6\" data-start=\"2609\" data-end=\"2637\">Vrednotenje povr\u0161inskega premaza<\/li><li data-section-id=\"1gsp2x2\" data-start=\"2638\" data-end=\"2660\">Ocena maziva<\/li><li data-section-id=\"1wzx7yo\" data-start=\"2661\" data-end=\"2682\">Razvoj izdelkov<\/li><li data-section-id=\"1y5e8wa\" data-start=\"2683\" data-end=\"2702\">Zagotavljanje kakovosti<\/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\">Na\u010delo presku\u0161anja 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\">Spletna stran <strong data-start=\"2748\" data-end=\"2789\">preskusna metoda cof za sisteme z valj\u010dnimi trakovi<\/strong> temelji na na\u010delu trenja kapljevine.<\/p><p data-start=\"2835\" data-end=\"3060\">Ozek trak tkanine se ovije okoli nepremi\u010dnega valja pod dolo\u010denim kotom ovijanja. En konec vzorca je pritrjen na napravo za merjenje sile, medtem ko na nasprotni konec deluje znana napetost.<\/p><p data-start=\"3062\" data-end=\"3279\">Med drsenjem vzorca po povr\u0161ini valja se neprekinjeno meri sila, potrebna za premagovanje trenja. Iz izmerjenih vrednosti napetosti se nato izra\u010dunata stati\u010dni in kineti\u010dni koeficient trenja.<\/p><p data-start=\"3281\" data-end=\"3330\">Izra\u010dun temelji na ena\u010dbi kapljevine:<\/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\">Kje:<\/p><ul data-start=\"3379\" data-end=\"3491\"><li data-section-id=\"m1vref\" data-start=\"3379\" data-end=\"3408\">\u03bc = koeficient trenja<\/li><li data-section-id=\"127wvr7\" data-start=\"3409\" data-end=\"3436\">T\u2082 = ve\u010dja natezna sila<\/li><li data-section-id=\"1s18gq\" data-start=\"3437\" data-end=\"3463\">T\u2081 = spodnja sila napetosti<\/li><li data-section-id=\"1wh7x0d\" data-start=\"3464\" data-end=\"3491\">\u03b8 = kot ovijanja v radianih<\/li><\/ul><p data-start=\"3493\" data-end=\"3613\">Ta pristop omogo\u010da realisti\u010dno simulacijo spletnih transportnih sistemov, ki se pogosto uporabljajo v industrijskih proizvodnih okoljih.<\/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\">Preskusni postopek 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-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\">Priprava vzorca<\/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\">Za zanesljive rezultate je bistvena pravilna priprava vzorca.<\/p><p data-start=\"3739\" data-end=\"3775\">Tipi\u010dne mere vzorca so:<\/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\">Tipi\u010dna vrednost<\/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\">\u0160irina<\/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\">Dol\u017eina<\/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\">Najmanj\u0161e \u0161tevilo replik<\/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\">Pomembni vidiki:<\/p><ul data-start=\"3931\" data-end=\"4160\"><li data-section-id=\"1c5a4z2\" data-start=\"3931\" data-end=\"3971\">Kadar je to mogo\u010de, uporabite primarni material.<\/li><li data-section-id=\"exqdfq\" data-start=\"3972\" data-end=\"4003\">Ne dotikajte se testnih povr\u0161in.<\/li><li data-section-id=\"1oxoehj\" data-start=\"4004\" data-end=\"4038\">Prepre\u010dite nastanek robnih odrgnin na vzorcih.<\/li><li data-section-id=\"u5y54f\" data-start=\"4039\" data-end=\"4080\">Ohranite dosledno usmerjenost vzorca.<\/li><li data-section-id=\"ph4enw\" data-start=\"4081\" data-end=\"4160\">Preskusite materiale v stanju, kakr\u0161no je bilo izdelano, razen \u010de ni druga\u010de dolo\u010deno.<\/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\">Monta\u017ea vzorca<\/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\">Vzorec je pritrjen z:<\/p><ol data-start=\"4219\" data-end=\"4422\"><li data-section-id=\"ewfbck\" data-start=\"4219\" data-end=\"4264\">En konec pritrdite na pretvornik sile.<\/li><li data-section-id=\"z89xu0\" data-start=\"4265\" data-end=\"4310\">Prevle\u010denje vzorca \u010dez preskusni valj.<\/li><li data-section-id=\"eijcwt\" data-start=\"4311\" data-end=\"4355\">Uporabite dolo\u010deno napenjalno te\u017eo.<\/li><li data-section-id=\"1a3d3a3\" data-start=\"4356\" data-end=\"4385\">Zagotavljanje pravilne poravnave.<\/li><li data-section-id=\"59uekt\" data-start=\"4386\" data-end=\"4422\">Izogibajte se ostrim ovinkom ali gubam.<\/li><\/ol><p data-start=\"4424\" data-end=\"4498\">Pravilna namestitev zmanj\u0161a variabilnost testiranja in izbolj\u0161a ponovljivost.<\/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\">Nastavitev drsnih parametrov<\/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\">Hitrost drsenja<\/h4><p data-start=\"4560\" data-end=\"4639\">ASTM G143 priporo\u010da izbiro hitrosti, ki simulirajo dejansko uporabo.<\/p><p data-start=\"4641\" data-end=\"4679\">Obi\u010dajne testne hitrosti so od:<\/p><ul data-start=\"4681\" data-end=\"4785\"><li data-section-id=\"1245gj7\" data-start=\"4681\" data-end=\"4730\">5 mm\/min do 100 mm\/min za simulacije z majhnim zdrsom<\/li><li data-section-id=\"17qfci2\" data-start=\"4731\" data-end=\"4785\">Ve\u010dje hitrosti, \u010de to zahtevajo posebne aplikacije<\/li><\/ul><p data-start=\"4787\" data-end=\"4865\">Izbira hitrosti mora po mo\u017enosti odra\u017eati dejanske delovne pogoje.<\/p><h4 data-start=\"4867\" data-end=\"4888\">Drsna razdalja<\/h4><p data-start=\"4890\" data-end=\"4919\">Za stati\u010dno dolo\u010danje COF:<\/p><ul data-start=\"4921\" data-end=\"4968\"><li data-section-id=\"7skj74\" data-start=\"4921\" data-end=\"4968\">Drsenje se lahko ustavi kmalu po za\u010detku gibanja.<\/li><\/ul><p data-start=\"4970\" data-end=\"5011\">Za stati\u010dno in kineti\u010dno dolo\u010danje COF:<\/p><ul data-start=\"5013\" data-end=\"5056\"><li data-section-id=\"1c1xel6\" data-start=\"5013\" data-end=\"5056\">Priporo\u010dljive so dalj\u0161e razdalje drsenja.<\/li><\/ul><p data-start=\"5058\" data-end=\"5101\">Obi\u010dajno uporabljene medlaboratorijske \u0161tudije ASTM:<\/p><ul data-start=\"5103\" data-end=\"5128\"><li data-section-id=\"187g27h\" data-start=\"5103\" data-end=\"5128\">150 mm drsna razdalja<\/li><\/ul><h4 data-start=\"5130\" data-end=\"5146\">Napetost mre\u017ee<\/h4><p data-start=\"5148\" data-end=\"5203\">Napetost mre\u017ee mora ustrezati dejanskim procesnim pogojem.<\/p><p data-start=\"5205\" data-end=\"5233\">Tipi\u010dno testiranje lahko vklju\u010duje:<\/p><ul data-start=\"5235\" data-end=\"5343\"><li data-section-id=\"xfes7t\" data-start=\"5235\" data-end=\"5260\">Ve\u010d stopenj napetosti<\/li><li data-section-id=\"djbt3f\" data-start=\"5261\" data-end=\"5307\">Najve\u010dja napetost do 150 N na 25 mm traku<\/li><li data-section-id=\"3opu6w\" data-start=\"5308\" data-end=\"5343\">\u0160tudije ponovljivosti okoli 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\">Nastavitev drsnih parametrov<\/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\">Kot ovijanja pomembno vpliva na izra\u010dun trenja.<\/p><p data-start=\"5430\" data-end=\"5452\">Obi\u010dajne vrednosti vklju\u010dujejo:<\/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\">Kot zavijanja<\/th><th class=\"last:pe-10\" data-start=\"5467\" data-end=\"5482\" data-col-size=\"sm\">Aplikacija<\/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\">Priporo\u010deno s standardom 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\">Najvi\u0161ja dovoljena vrednost<\/td><\/tr><tr data-start=\"5574\" data-end=\"5612\"><td data-start=\"5574\" data-end=\"5590\" data-col-size=\"sm\">Koti po meri<\/td><td data-start=\"5590\" data-end=\"5612\" data-col-size=\"sm\">Simulacija procesa<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"5614\" data-end=\"5697\">Kot zavijanja 90\u00b0 se pogosto uporablja, ker je v ravnovesju med prakti\u010dnostjo in ponovljivostjo.<\/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 proti 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\">\u0160tevilni uporabniki primerjajo ASTM G143 z <a href=\"https:\/\/www.coefficientfriction.com\/sl\/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\">Funkcija<\/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\">Kontaktna geometrija<\/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\">Ravna povr\u0161ina<\/td><\/tr><tr data-start=\"7295\" data-end=\"7370\"><td style=\"text-align: center;\" data-start=\"7295\" data-end=\"7317\" data-col-size=\"sm\">Primarna uporaba<\/td><td style=\"text-align: center;\" data-start=\"7317\" data-end=\"7341\" data-col-size=\"sm\">Spletni transportni sistemi<\/td><td style=\"text-align: center;\" data-start=\"7341\" data-end=\"7370\" data-col-size=\"sm\">Splo\u0161no trenje materiala<\/td><\/tr><tr data-start=\"7371\" data-end=\"7418\"><td style=\"text-align: center;\" data-start=\"7371\" data-end=\"7388\" data-col-size=\"sm\">Model trenja<\/td><td style=\"text-align: center;\" data-start=\"7388\" data-end=\"7404\" data-col-size=\"sm\">Na podlagi kapljevine<\/td><td style=\"text-align: center;\" data-start=\"7404\" data-end=\"7418\" data-col-size=\"sm\">Na saneh<\/td><\/tr><tr data-start=\"7419\" data-end=\"7459\"><td style=\"text-align: center;\" data-start=\"7419\" data-end=\"7440\" data-col-size=\"sm\">Simulacija procesa<\/td><td style=\"text-align: center;\" data-start=\"7440\" data-end=\"7447\" data-col-size=\"sm\">Visoka<\/td><td style=\"text-align: center;\" data-start=\"7447\" data-end=\"7459\" data-col-size=\"sm\">Zmerno<\/td><\/tr><tr data-start=\"7460\" data-end=\"7517\"><td style=\"text-align: center;\" data-start=\"7460\" data-end=\"7488\" data-col-size=\"sm\">Vrednotenje embala\u017ene folije<\/td><td style=\"text-align: center;\" data-start=\"7488\" data-end=\"7500\" data-col-size=\"sm\">Odli\u010dno<\/td><td style=\"text-align: center;\" data-start=\"7500\" data-end=\"7517\" data-col-size=\"sm\">Obi\u010dajno se uporablja<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"7519\" data-end=\"7680\">ASTM D1894 je \u0161e vedno najpogosteje uporabljena metoda COF za embala\u017ene folije, medtem ko ASTM G143 zagotavlja bolj realisti\u010dno simulacijo proizvodnih okolij z valji.<\/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\">Oprema za presku\u0161anje po standardu 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-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\">Za izvedbo testiranja po standardu ASTM G143 je potrebno:<\/p><ul data-start=\"7763\" data-end=\"7965\"><li data-section-id=\"1ypbcdl\" data-start=\"7763\" data-end=\"7792\">Natan\u010dno merjenje sile<\/li><li data-section-id=\"uaac5\" data-start=\"7793\" data-end=\"7818\">Nadzorovan premik<\/li><li data-section-id=\"1qgmycu\" data-start=\"7819\" data-end=\"7842\">Nastavljiva hitrost testiranja<\/li><li data-section-id=\"p6pqox\" data-start=\"7843\" data-end=\"7872\">Mo\u017enost pridobivanja podatkov<\/li><li data-section-id=\"1535ikj\" data-start=\"7873\" data-end=\"7902\">Specializirane valj\u010dne armature<\/li><li data-section-id=\"rojj7b\" data-start=\"7903\" data-end=\"7940\">Nastavljiva konfiguracija zavijalnega kota<\/li><li data-section-id=\"1ypn48f\" data-start=\"7941\" data-end=\"7965\">Sistem za obremenjevanje z napetostjo<\/li><\/ul><p data-start=\"7967\" data-end=\"8108\">\u0160tevilni laboratoriji za merjenje trenja valjev in trakov uporabljajo univerzalno platformo za natezno presku\u0161anje, opremljeno s prilagojenimi napravami za merjenje trenja.<\/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\">Re\u0161itev Cell Instruments<\/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\">Spletna stran <strong data-start=\"8145\" data-end=\"8170\">TST-01 Napenjalni tester<\/strong> lahko v kombinaciji s prilagojenim pritrdi\u0161\u010dem za trenje valj\u010dkov in trakov slu\u017ei kot osnovna platforma za presku\u0161anje po standardu ASTM G143.<\/p><p data-start=\"8286\" data-end=\"8309\">Glavne prednosti so:<\/p><ul data-start=\"8311\" data-end=\"8628\"><li data-section-id=\"k3au6w\" data-start=\"8311\" data-end=\"8361\">Krmiljenje s PLC s 7-pal\u010dnim zaslonom na dotik<\/li><li data-section-id=\"1o8juqv\" data-start=\"8362\" data-end=\"8402\">Visoko natan\u010den pogonski sistem s krogli\u010dnim vijakom<\/li><li data-section-id=\"11r2jjw\" data-start=\"8403\" data-end=\"8439\">Nastavljiva hitrost od 1-500 mm\/min<\/li><li data-section-id=\"12uftm5\" data-start=\"8440\" data-end=\"8469\">Zmogljivost sile do 1 kN<\/li><li data-section-id=\"9x1ctf\" data-start=\"8470\" data-end=\"8505\">Natan\u010dno merjenje premika<\/li><li data-section-id=\"heoxsq\" data-start=\"8506\" data-end=\"8537\">Prikaz krivulje sile v realnem \u010dasu<\/li><li data-section-id=\"ofk9hg\" data-start=\"8538\" data-end=\"8566\">Vklju\u010devanje naprav po meri<\/li><li data-section-id=\"cs3dmn\" data-start=\"8567\" data-end=\"8628\">Prilagodljiva konfiguracija za specializirane zahteve za testiranje<\/li><\/ul><p data-start=\"8630\" data-end=\"8807\">Za laboratorije, ki ocenjujejo ve\u010d materialov in pogojev trenja, lahko prilagojene naprave in re\u0161itve z ve\u010d postajami \u0161e dodatno izbolj\u0161ajo u\u010dinkovitost in ponovljivost testiranja.<\/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\">Razumevanje zna\u010dilnosti trenja med valji in trakom je bistvenega pomena za zagotavljanje stabilnega ravnanja s trakom, u\u010dinkovite proizvodnje in stalne kakovosti izdelkov. <a href=\"https:\/\/store.astm.org\/g0143-03r18.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM G143<\/a> zagotavlja dragocene podatke za ocenjevanje materialov, povr\u0161in valjev, premazov in pogojev obdelave. Podjetje Cell Instruments ponuja platforme za natezne preskuse, prilagojene pritrdilne elemente za trenje in re\u0161itve za preskuse, specifi\u010dne za posamezne aplikacije, ki so zasnovane v skladu z ASTM G143 in drugimi zahtevami za presku\u0161anje koeficienta trenja. Ne glede na to, ali razvijate nove materiale ali izbolj\u0161ujete u\u010dinkovitost proizvodnje, lahko z izbiro ustreznega sistema za presku\u0161anje pridobite zanesljive in uporabne podatke o trenju.<\/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\/sl\/wp-json\/wp\/v2\/pages\/803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/sl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/sl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/sl\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/sl\/wp-json\/wp\/v2\/comments?post=803"}],"version-history":[{"count":4,"href":"https:\/\/www.coefficientfriction.com\/sl\/wp-json\/wp\/v2\/pages\/803\/revisions"}],"predecessor-version":[{"id":808,"href":"https:\/\/www.coefficientfriction.com\/sl\/wp-json\/wp\/v2\/pages\/803\/revisions\/808"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/sl\/wp-json\/wp\/v2\/media?parent=803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}