{"id":2211,"date":"2023-05-15T10:14:11","date_gmt":"2023-05-15T02:14:11","guid":{"rendered":"https:\/\/www.qualitester.com\/?p=2211"},"modified":"2024-04-28T13:33:04","modified_gmt":"2024-04-28T05:33:04","slug":"test-procedure-of-friction-coefficient-tester","status":"publish","type":"post","link":"https:\/\/www.qualitester.com\/sl\/test-procedure-of-friction-coefficient-tester\/","title":{"rendered":"Preskus koeficienta trenja | Preskusni instrumenti"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2211\" class=\"elementor elementor-2211\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bbb06eb e-flex e-con-boxed e-con e-parent\" data-id=\"bbb06eb\" 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-0e9bee0 elementor-widget elementor-widget-text-editor\" data-id=\"0e9bee0\" 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<p><strong>Preskusni postopek merilnika koeficienta trenja<\/strong><\/p>\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-c4db2cf e-flex e-con-boxed e-con e-parent\" data-id=\"c4db2cf\" 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-697029a elementor-widget elementor-widget-text-editor\" data-id=\"697029a\" 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<p>Merilnik koeficienta trenja se uporablja za merjenje koeficienta stati\u010dnega trenja in koeficienta dinami\u010dnega trenja pri drsenju materialov, kot so plasti\u010dne folije in plo\u0161\u010de, papir itd. Z merjenjem drsnosti materiala je mogo\u010de nadzorovati in prilagajati kazalnike kakovosti proizvodnega procesa materiala, da se izpolnijo zahteve za uporabo izdelka. Merilnik koeficienta trenja se lahko uporablja tudi za merjenje koeficienta stati\u010dnega trenja gume, kartona, tkanih vre\u010dk, stilov tkanin, kompozitnih trakov iz kovinskih materialov za komunikacijske kable, transportnih trakov, lesa, premazov, zavornih plo\u0161\u010dic, brisalcev, materialov za \u010devlje, pnevmatik in drugih materialov pri drsenju ter koeficienta kineti\u010dnega trenja.<\/p>\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-7df4dcd e-flex e-con-boxed e-con e-parent\" data-id=\"7df4dcd\" 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-8b096c5 elementor-widget elementor-widget-text-editor\" data-id=\"8b096c5\" 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<p>Naslednje besedilo temelji na dokumentu \"GB\/T 10006-2021 Dolo\u010danje koeficienta trenja plasti\u010dnih folij in listov\".<\/p>\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-9974b79 e-flex e-con-boxed e-con e-parent\" data-id=\"9974b79\" 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-f1f6fa9 elementor-widget elementor-widget-text-editor\" data-id=\"f1f6fa9\" 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<p><strong>Na\u010delo preskusa<\/strong><\/p>\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-a54a5ee e-flex e-con-boxed e-con e-parent\" data-id=\"a54a5ee\" 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-dfc0098 elementor-widget elementor-widget-text-editor\" data-id=\"dfc0098\" 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<p>Na\u010delo preskusa je, da se preskusni povr\u0161ini pod dolo\u010denim kontaktnim pritiskom pribli\u017eata, da se povr\u0161ini premakneta druga glede na drugo in se zabele\u017ei potrebna sila. Vrednost koeficienta trenja dobimo tako, da preskusno vrednost sile delimo s te\u017eo drsnika. Izrazi in opredelitve pojmov Trenje U\u010dinek, ki ovira drsenje dveh sti\u010dnih povr\u0161in. Deli se na kineti\u010dno in stati\u010dno trenje. stati\u010dno trenje stati\u010dno trenje trenutek za\u010detka drsenja, \"kriti\u010dno\" trenje, ki ga je treba premagati. dinami\u010dno trenje trenje, ki obstaja med drsenjem pri dani hitrosti. sila trenja sila, potrebna za premagovanje trenja. Delimo jo na stati\u010dno silo trenja FS in dinami\u010dno silo trenja FD normalna sila normalna sila je sila, ki deluje pravokotno na dve sti\u010dni povr\u0161ini. Koeficient trenja FP razmerje med trenjem in normalno silo trenja. Stati\u010dni koeficient trenja stati\u010dni koeficient trenja\u03bcs=stati\u010dno trenje FS\/normalna sila FP dinami\u010dni koeficient trenja \u03bcD=dinami\u010dno trenje FD\/normalna sila FP Opomba 1: Koeficient trenja filma je obi\u010dajno med 0,2 in 1. V idealnem primeru je koeficient prirojena lastnost, neodvisna od preskusnega instrumenta in preskusnih pogojev. Ker folija obi\u010dajno ni idealna, GB\/T 10006-2021 dolo\u010da vse preskusne parametre.<\/p>\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-5a54ea9 e-flex e-con-boxed e-con e-parent\" data-id=\"5a54ea9\" 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-fcc27cf elementor-widget elementor-widget-text-editor\" data-id=\"fcc27cf\" 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<p><strong>Preskusna oprema <\/strong><\/p>\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-d3c0ede e-flex e-con-boxed e-con e-parent\" data-id=\"d3c0ede\" 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-aaba6e2 elementor-widget elementor-widget-text-editor\" data-id=\"aaba6e2\" 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<p>Preskusna naprava je sestavljena iz vodoravne preskusne mize, drsnika, sistema za merjenje sile in pogonskega mehanizma, ki premika dve preskusni povr\u0161ini na vodoravni preskusni mizi glede druga na drugo. Kot gibljivi deli se lahko uporabljajo drsniki ali plo\u0161\u010dadi.<\/p>\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-7b0c817 e-flex e-con-boxed e-con e-parent\" data-id=\"7b0c817\" 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-8f90d6e elementor-widget elementor-widget-text-editor\" data-id=\"8f90d6e\" 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<p><strong>Zahteve glede opreme<\/strong><\/p>\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-3cbff06 e-flex e-con-boxed e-con e-parent\" data-id=\"3cbff06\" 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-13bec42 elementor-widget elementor-widget-text-editor\" data-id=\"13bec42\" 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<p>Povr\u0161ina vodoravne preskusne mize mora biti gladka in izdelana iz nemagnetnega kovinskega materiala.<\/p><p>Normalno silo ustvarja drsnik. Drsnik mora imeti kvadratno spodnjo povr\u0161ino s povr\u0161ino 40 cm\u00b2 (dol\u017eina stranice 63 mm). Za enakomerno porazdelitev pritiska mora biti dno drsnika prekrito z elasti\u010dnim materialom, kot je filc. Elasti\u010dni material ne sme povzro\u010diti \"odtiskovanja\" vzorca. Skupna masa drsnika mora biti 200 g \u00b1 2 g, da se ustvari normalna sila 1,96 N \u00b1 0,2 N.<\/p><p>Pogonska konstrukcija ne sme imeti vibracij, tako da se obe preskusni povr\u0161ini relativno gibljeta s hitrostjo 100 mm\/min \u00b1 10 mm\/min. \u010ce so posebne potrebe, se lahko hitrost nastavi na 500 mm\/min\u00b110 mm\/min.<\/p><p>Skupna napaka celotnega sistema za merjenje sile, vklju\u010dno z zapisovalnikom, ne sme presegati 2%, \u010das pretvorbe ne sme presegati 0,5 s, smer vleka pa mora biti vzporedna z ravnino trenja in v ravni \u010drti.<\/p><p>Za merjenje stati\u010dnega trenja je treba elasti\u010dni koeficient sistema za merjenje sile z ustrezno vzmetjo prilagoditi na 2 N\/cm \u00b1 1 N\/cm. Pri merjenju kineti\u010dnega trenja v primeru drsenja s palico se vzmet nadomesti s togo povezavo.<\/p>\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-4bdc9c6 e-flex e-con-boxed e-con e-parent\" data-id=\"4bdc9c6\" 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-7e2c863 elementor-widget elementor-widget-image\" data-id=\"7e2c863\" 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<a href=\"https:\/\/www.qualitester.com\/sl\/izdelek\/cof-01-coefficient-of-friction-tester\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1.jpg\" class=\"attachment-large size-large wp-image-1472\" alt=\"\" srcset=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1.jpg 750w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1-300x300.jpg 300w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1-100x100.jpg 100w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1-600x600.jpg 600w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1-150x150.jpg 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc721f4 e-flex e-con-boxed e-con e-parent\" data-id=\"bc721f4\" 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-6edcf5d elementor-widget elementor-widget-text-editor\" data-id=\"6edcf5d\" 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<h5><a href=\"https:\/\/www.qualitester.com\/sl\/izdelek\/cof-01-coefficient-of-friction-tester\/\">Tester koeficienta trenja COF-01<\/a><\/h5>\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-2484e2e e-flex e-con-boxed e-con e-parent\" data-id=\"2484e2e\" 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-41b065d elementor-widget elementor-widget-wpforms\" data-id=\"41b065d\" data-element_type=\"widget\" data-widget_type=\"wpforms.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"wpforms-container\" id=\"wpforms-11\"><form id=\"wpforms-form-11\" class=\"wpforms-validate 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One essential measurement in this realm is the friction coefficient, a key factor influencing material slipperiness. Test Application of Coefficient of Friction Tester The coefficient of friction meter is used to measure &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/sl\/test-procedure-of-friction-coefficient-tester\/\"> <span class=\"screen-reader-text\">Preskus koeficienta trenja | Preskusni instrumenti<\/span> Preberite ve\u010d \u00bb<\/a><\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[1],"tags":[1037,338,339],"class_list":["post-2211","post","type-post","status-publish","format-standard","hentry","category-test-method","tag-cof-tester","tag-friction-coefficient","tag-test-procedure"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/posts\/2211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/comments?post=2211"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/posts\/2211\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/media?parent=2211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/categories?post=2211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qualitester.com\/sl\/wp-json\/wp\/v2\/tags?post=2211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}