{"id":17565,"date":"2020-09-07T07:01:43","date_gmt":"2020-09-07T05:01:43","guid":{"rendered":"https:\/\/arcotest.info\/?page_id=17565"},"modified":"2025-01-18T13:02:10","modified_gmt":"2025-01-18T12:02:10","slug":"aplikacija","status":"publish","type":"page","link":"https:\/\/arcotest.info\/sl\/aplikacija\/","title":{"rendered":"Dolo\u010danje povr\u0161inske napetosti"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-5d3e52e\" data-block-id=\"5d3e52e\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-5d3e52e-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1b9357e\" data-v=\"4\" data-block-id=\"1b9357e\"><style>.stk-1b9357e {margin-top:20px !important;margin-left:30px !important;}@media screen and (max-width:689px){.stk-1b9357e {margin-left:10px !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1b9357e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1b9357e-inner-blocks\"><style>@media only screen and (max-width: 600px) {.gb-69e149962cd4a{font-size: 30px!important;}}<\/style>\n<h2 class=\"gb-69e149962cd4a wp-block-heading\" id=\"h-bestimmung-der-oberflachenspannung\">Dolo\u010danje povr\u0161inske napetosti<\/h2>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-75f564c\" data-block-id=\"75f564c\"><style>.stk-75f564c-column{--stk-columns-spacing:37px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-75f564c-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-43d9889\" data-v=\"4\" data-block-id=\"43d9889\"><style>.stk-43d9889 {align-self:center !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-43d9889-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-43d9889-inner-blocks\">\n<p>S preizkusnimi \u010drnili je mogo\u010de ugotavljati povr\u0161insko napetost trdnih teles iz umetne snovi \u2013 kovine \u2013 stekla \u2013 keramike in drugih materialov.<br\/>Na ta na\u010din je mogo\u010de predvsem ugotavljanje oprijemljivosti povr\u0161in za tisk \u2013 lepljenje &#8211; lakiranje itd. na podlagi videza omo\u010dene povr\u0161ine.<br\/><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Dolo\u010danje povr\u0161inske napetosti poteka na podlagi nanosa preizkusnih \u010drnil na povr\u0161ine za preizku\u0161anje v obliki \u010drte, dolge le nekaj centimetrov, in z opazovanjem lastnosti \u010drte \u010drnila.<\/h5>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-43a084d\" data-v=\"4\" data-block-id=\"43a084d\"><style>.stk-43a084d {align-self:flex-end !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-43a084d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-43a084d-inner-blocks\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"953\" src=\"https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line.webp\" alt=\"\" class=\"wp-image-86813\" style=\"width:343px;height:363px\" srcset=\"https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line.webp 900w, https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line-283x300.webp 283w, https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line-142x150.webp 142w, https:\/\/arcotest.info\/wp-content\/uploads\/2024\/02\/test-line-768x813.webp 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-64a0c48\" data-block-id=\"64a0c48\"><style>.stk-64a0c48 {margin-bottom:111px !important;}.stk-64a0c48-column{--stk-columns-spacing:0px !important;--stk-column-gap:24px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-64a0c48-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-5dd98a9\" data-v=\"4\" data-block-id=\"5dd98a9\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-5dd98a9-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-5dd98a9-inner-blocks\">\n<p class=\"has-palette-color-6-background-color has-background\">\u010ce se \u010drta v roku 2 ali 4 sekund \u2013 odvisno od specifikacije \u010drnila \u2013 skr\u010di, je napetost OFS preizkusne povr\u0161ine manj\u0161a od napetosti preizkusnega \u010drnila.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f28010a\" data-v=\"4\" data-block-id=\"f28010a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f28010a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f28010a-inner-blocks\">\n<p class=\"has-palette-color-6-background-color has-background\">\u010ce pa bi se \u010drta raztekla, je napetost OFS nanesenega \u010drnila manj\u0161a od napetosti povr\u0161ine.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2b7ccf7\" data-v=\"4\" data-block-id=\"2b7ccf7\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2b7ccf7-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2b7ccf7-inner-blocks\">\n<p class=\"has-palette-color-6-background-color has-background\">\u010ce se \u010drta v obdobju opazovanja ne spremeni, je vrednost napetosti OFS to\u010dno dose\u017eena ali malce vi\u0161ja.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-1e29d1b\" data-block-id=\"1e29d1b\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-1e29d1b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4a5598a\" data-v=\"4\" data-block-id=\"4a5598a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4a5598a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4a5598a-inner-blocks\">\n<h3 class=\"wp-block-heading\">Test plasti\u010dne povr\u0161ine z PINK 38 Jumbo<\/h3>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-d1dfda3\" data-v=\"4\" data-block-id=\"d1dfda3\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-d1dfda3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-d1dfda3-inner-blocks\">\n<p>V tem primeru uporabe testni peresnik <strong>PINK 38 Jumbo<\/strong> uporabljamo za preizku\u0161anje povr\u0161inske napetosti na \u010drni PE plastiki.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-422046b\" data-v=\"4\" data-block-id=\"422046b\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-422046b-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-422046b-inner-blocks\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"default\" data-borlabs-cookie-content=\"PGlmcmFtZSB3aWR0aD0iNTYwIiBoZWlnaHQ9IjMxNSIgc3JjPSJodHRwczovL3d3dy55b3V0dWJlLW5vY29va2llLmNvbS9lbWJlZC9SbFR5ZEpvaGdpWSIgZnJhbWVib3JkZXI9IjAiIGFsbG93PSJhY2NlbGVyb21ldGVyOyBhdXRvcGxheTsgY2xpcGJvYXJkLXdyaXRlOyBlbmNyeXB0ZWQtbWVkaWE7IHBpY3R1cmUtaW4tcGljdHVyZSIgYWxsb3dmdWxsc2NyZWVuPSIiPjwvaWZyYW1lPg==\"><div class=\"brlbs-cmpnt-cb-preset-a\"> <p class=\"brlbs-cmpnt-cb-description\">You are currently viewing a placeholder content from <strong>Default<\/strong>. To access the actual content, click the button below. Please note that doing so will share data with third-party providers.<\/p> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Unblock content<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: none\">Accept required service and unblock content<\/a> <\/div> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">More Information<\/a> <\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-ctfdvbq\" data-block-id=\"ctfdvbq\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-ctfdvbq-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-nmu3957\" data-v=\"4\" data-block-id=\"nmu3957\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-nmu3957-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-nmu3957-inner-blocks\">\n<h3 class=\"wp-block-heading\">Test kovinske povr\u0161ine z PINK 10 ml<\/h3>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f9qh9jd\" data-v=\"4\" data-block-id=\"f9qh9jd\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f9qh9jd-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f9qh9jd-inner-blocks\">\n<p>Pri naslednjem primeru uporabe je bil preizkus izveden s preizkusnim \u010drnilom PINK iz stekleni\u010dke z 10 ml in vatno pal\u010dko. Pri vsaki posamezni uporabi vzemite novo vatno pal\u010dko.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-anmgjbf\" data-v=\"4\" data-block-id=\"anmgjbf\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-anmgjbf-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-anmgjbf-inner-blocks\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"default\" data-borlabs-cookie-content=\"PGlmcmFtZSB3aWR0aD0iNTYwIiBoZWlnaHQ9IjMxNSIgc3JjPSJodHRwczovL3d3dy55b3V0dWJlLW5vY29va2llLmNvbS9lbWJlZC9PNjhZSjFxNExJMCIgZnJhbWVib3JkZXI9IjAiIGFsbG93PSJhY2NlbGVyb21ldGVyOyBhdXRvcGxheTsgY2xpcGJvYXJkLXdyaXRlOyBlbmNyeXB0ZWQtbWVkaWE7IGd5cm9zY29wZTsgcGljdHVyZS1pbi1waWN0dXJlIiBhbGxvd2Z1bGxzY3JlZW49IiI+PC9pZnJhbWU+\"><div class=\"brlbs-cmpnt-cb-preset-a\"> <p class=\"brlbs-cmpnt-cb-description\">You are currently viewing a placeholder content from <strong>Default<\/strong>. To access the actual content, click the button below. Please note that doing so will share data with third-party providers.<\/p> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Unblock content<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: none\">Accept required service and unblock content<\/a> <\/div> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">More Information<\/a> <\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-k3x2oqj\" data-block-id=\"k3x2oqj\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-k3x2oqj-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-5oykl01\" data-v=\"4\" data-block-id=\"5oykl01\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-5oykl01-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-5oykl01-inner-blocks\">\n<h3 class=\"wp-block-heading\">preverite \u010distost kovinske povr\u0161ine<\/h3>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-o0mdzo4\" data-v=\"4\" data-block-id=\"o0mdzo4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-o0mdzo4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-o0mdzo4-inner-blocks\">\n<p>Pri naslednjem primeru uporabe je bil preizkus izveden s preizkusnim \u010drnilom PINK iz stekleni\u010dke z 10 ml in vatno pal\u010dko. Pri vsaki posamezni uporabi vzemite novo vatno pal\u010dko.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-skzznb4\" data-v=\"4\" data-block-id=\"skzznb4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-skzznb4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-skzznb4-inner-blocks\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"default\" data-borlabs-cookie-content=\"PGlmcmFtZSB3aWR0aD0iNTYwIiBoZWlnaHQ9IjMxNSIgc3JjPSJodHRwczovL3d3dy55b3V0dWJlLW5vY29va2llLmNvbS9lbWJlZC9TNE1JYzhRaUY5SSIgdGl0bGU9IllvdVR1YmUgdmlkZW8gcGxheWVyIiBmcmFtZWJvcmRlcj0iMCIgYWxsb3c9ImFjY2VsZXJvbWV0ZXI7IGF1dG9wbGF5OyBjbGlwYm9hcmQtd3JpdGU7IGVuY3J5cHRlZC1tZWRpYTsgZ3lyb3Njb3BlOyBwaWN0dXJlLWluLXBpY3R1cmUiIGFsbG93ZnVsbHNjcmVlbj0iIj48L2lmcmFtZT4=\"><div class=\"brlbs-cmpnt-cb-preset-a\"> <p class=\"brlbs-cmpnt-cb-description\">You are currently viewing a placeholder content from <strong>Default<\/strong>. To access the actual content, click the button below. Please note that doing so will share data with third-party providers.<\/p> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Unblock content<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: none\">Accept required service and unblock content<\/a> <\/div> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">More Information<\/a> <\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-8573796\" data-block-id=\"8573796\"><style>.stk-8573796 {margin-bottom:50px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-8573796-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-211df4f\" data-v=\"4\" data-block-id=\"211df4f\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-211df4f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-211df4f-inner-blocks\">\n<h3 class=\"wp-block-heading\">Presku\u0161anje poliolefinskega filma za 38 mN\/m<\/h3>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-3c685b1\" data-v=\"4\" data-block-id=\"3c685b1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-3c685b1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-3c685b1-inner-blocks\">\n<p>S \u010drnili RAPIDTEST 38\u00ae lahko ugotovite, ali je predhodna obdelava s poliolefini (polipropilen, polietilen, polibutilen) u\u010dinkovala. Teko\u010dina v pisalih pri vrednosti povr\u0161inske napetosti pribli\u017eno 38 mN\/m ali ve\u010d obstane kot neprekinjena \u010drta, pod to vrednostjo pa odte\u010de po kapljicah. \u010crta, zarisana s \u010drnilom RAPIDTEST 38\u00ae, se posu\u0161i v nekaj sekundah in je ni mogo\u010de ve\u010d izbrisati.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f460536\" data-v=\"4\" data-block-id=\"f460536\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f460536-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f460536-inner-blocks\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"default\" data-borlabs-cookie-content=\"PGlmcmFtZSB3aWR0aD0iNTYwIiBoZWlnaHQ9IjMxNSIgc3JjPSJodHRwczovL3d3dy55b3V0dWJlLW5vY29va2llLmNvbS9lbWJlZC9qd3RQNjRlNXIwYyIgdGl0bGU9IllvdVR1YmUgdmlkZW8gcGxheWVyIiBmcmFtZWJvcmRlcj0iMCIgYWxsb3c9ImFjY2VsZXJvbWV0ZXI7IGF1dG9wbGF5OyBjbGlwYm9hcmQtd3JpdGU7IGVuY3J5cHRlZC1tZWRpYTsgZ3lyb3Njb3BlOyBwaWN0dXJlLWluLXBpY3R1cmUiIGFsbG93ZnVsbHNjcmVlbj0iIj48L2lmcmFtZT4=\"><div class=\"brlbs-cmpnt-cb-preset-a\"> <p class=\"brlbs-cmpnt-cb-description\">You are currently viewing a placeholder content from <strong>Default<\/strong>. To access the actual content, click the button below. Please note that doing so will share data with third-party providers.<\/p> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Unblock content<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: none\">Accept required service and unblock content<\/a> <\/div> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">More Information<\/a> <\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<style>@media only screen and (max-width: 600px) {.gb-69e149963c922{font-size: 30px!important;}}<\/style>\n<h2 class=\"gb-69e149963c922 wp-block-heading\" id=\"h-sauberkeit-von-werkstoffen\">\u010cisto\u010da materialov<\/h2>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<h5 class=\"wp-block-heading\" id=\"h-die-begriffe-sauberkeit-und-reinheit-von-werkstoffen-bedurfen-einer-naheren-definition-da-die-werkstoffe-ob-als-formteile-oder-folien-in-ihrer-oberflache-vorliegen-kann-hier-der-begriff-sauberkeit-angebracht-sein-da-reinheit-von-werkstoffen-sich-auf-den-aufbau-also-auch-das-innere-gefuge-eines-gesamtkorpers-beziehen-kann\">Izraza \u00bb\u010disto\u010da\u00ab in \u00bb\u010distost\u00ab materialov je treba podrobneje opredeliti. Ko govorimo o povr\u0161ini materialov, torej odlitkov ali folij, govorimo o \u010disto\u010di, ko pa gre za zgradbo materialov oziroma notranjost telesa, se to nana\u0161amo na \u010distost. <\/h5>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-43dbd94 is-style-default\" data-block-id=\"43dbd94\">\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-fe2a36e stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"fe2a36e\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-fe2a36e-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks stk-fe2a36e-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-a812bd7 stk-block-background\" data-block-id=\"a812bd7\"><style>.stk-a812bd7 {background-color:#d7dadd !important;}.stk-a812bd7:before{background-color:#d7dadd !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-2a90297\" id=\"verschmutzungen-von-werkstoffen\" data-block-id=\"2a90297\"><style>@media screen and (max-width:689px){.stk-2a90297 .stk-block-heading__text{font-size:20px !important;}}<\/style><h4 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">kontaminacija materialov<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-6de89ff\" data-block-id=\"6de89ff\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-6de89ff\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-6-de-89-ff-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-6-de-89-ff-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7482be1 stk-block-accordion__content\" data-v=\"4\" data-block-id=\"7482be1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7482be1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7482be1-inner-blocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Onesna\u017eenost materialov lahko ima ve\u010d vzrokov in se ka\u017ee na ve\u010d na\u010dinov. Umazanija je lahko v obliki delcev ali oblog. Delci so prisotni kot posamezne to\u010dke in so lahko razporejeni neenakomerno ter z medsebojno razdaljo. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Umazanija v obliki oblog pa povr\u0161ine pokriva v celoti ali po ve\u010djih povr\u0161inah in lahko pri njej govorimo tako o \u010disto\u010di kot tudi \u010distosti ter ji pripi\u0161emo na primer povr\u0161insko napetost\/energijo.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>To pa se ne mora nana\u0161ati na notranjo zgradbo obdelovanca, kjer vedno govorimo o \u010distosti. Ker imamo opravka s povr\u0161inami, ki bodo dodatno obdelane, lahko dolo\u010dimo tudi stanja \u010disto\u010de, kar na splo\u0161no zadeva povr\u0161insko napetost.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/details>\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-ac0db32 is-style-default\" data-block-id=\"ac0db32\">\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e70179d stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"e70179d\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e70179d-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks stk-e70179d-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-721468e stk-block-background\" data-block-id=\"721468e\"><style>.stk-721468e {background-color:#d7dadd !important;}.stk-721468e:before{background-color:#d7dadd !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-905a7de\" id=\"zweierlei-prufungsverfahren-erganzen-sich\" data-block-id=\"905a7de\"><style>@media screen and (max-width:689px){.stk-905a7de .stk-block-heading__text{font-size:20px !important;}}<\/style><h4 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Dva postopka preverjanja se dopolnjujeta<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-c4397b7\" data-block-id=\"c4397b7\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-c4397b7\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-c-4397-b-7-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-c-4397-b-7-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-56eecd1 stk-block-accordion__content\" data-v=\"4\" data-block-id=\"56eecd1\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-56eecd1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-56eecd1-inner-blocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Obdelava lahko pomeni na primer tiskanje, lakiranje ali lepljenje. Tukaj se uporabljajo preprosti postopki s preizkusnimi \u010drnili in meritvijo sti\u010dnega kota. Prvi so preprosti za izvedbo in s tem prakti\u010dni, saj je mogo\u010de med proizvodnimi postopki brez te\u017eav nana\u0161ati \u010drnilo na preverjene povr\u0161ine. Drugi pa zahtevajo uporabo posebnih naprav. Z njimi je mogo\u010de povr\u0161insko napetost lo\u010diti na polarno in disperzivno.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Preverjanje s preizkusnim \u010drnilom ka\u017ee le se\u0161tevek obeh vrednosti, kar najve\u010dkrat zado\u0161\u010da za vrednotenje povr\u0161in. Obeh postopkov ni mogo\u010de izvajati brezsti\u010dno ali neprekinjeno. To pomeni, da je med proizvodnimi procesi, na primer ravno pri folijah, meritve mogo\u010de opravljati le med mirovanjem in delovanjem linije.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Izjemoma so meritve mogo\u010de pri zelo majhni hitrosti. Uporabljamo lahko izraza \u010disto\u010da in \u010distost, kjer pa se \u010disto\u010da vedno nana\u0161a le na povr\u0161ine. Bolje pa je, da jih ne me\u0161amo, saj lahko to povzro\u010di nev\u0161e\u010dnosti.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/details>\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-3d0ad49 is-style-default\" data-block-id=\"3d0ad49\">\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9a8e4e2 stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"9a8e4e2\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9a8e4e2-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks stk-9a8e4e2-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-fa6365b stk-block-background\" data-block-id=\"fa6365b\"><style>.stk-fa6365b {background-color:#d7dadd !important;}.stk-fa6365b:before{background-color:#d7dadd !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-c6dd6be\" id=\"vorbehandlung-mit-erhohter-oberflachenspannung\" data-block-id=\"c6dd6be\"><style>@media screen and (max-width:689px){.stk-c6dd6be .stk-block-heading__text{font-size:20px !important;}}<\/style><h4 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Predhodna obdelava s pove\u010dano povr\u0161insko napetostjo<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-58e0d69\" data-block-id=\"58e0d69\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-58e0d69\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-58-e-0-d-69-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-58-e-0-d-69-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-635498e stk-block-accordion__content\" data-v=\"4\" data-block-id=\"635498e\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-635498e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-635498e-inner-blocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Izraz \u00bbpredhodna obdelava\u00ab se nana\u0161a na mehansko \u010di\u0161\u010denje povr\u0161in, predvsem pranje s topili ali brez. \u017de nekaj desetletij pa pod predhodno obdelavo razumemo tudi fizikalne postopke s korono, plazmo in plamensko obdelavo, kjer se povr\u0161ine zaradi elektri\u010dnih vplivov spremenijo do te mere, da se bistveno pove\u010da njihova polarnost, kar pove\u010da povr\u0161insko napetost in s tem bistveno izbolj\u0161a oprijemljivost.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Primer so umetne mase iz poliolefinov, kjer je mogo\u010de njihove naravne vrednosti povr\u0161inske napetosti, ki zna\u0161ajo pribli\u017eno 30 mN\/m, precej preprosto dvigniti nad 45 mN\/m, kar zagotavlja odli\u010dno oprijemljivost pri tiskanju, lepljenju in lakiranju. Takih vrednosti prej\u0161nji postopki \u010di\u0161\u010denja nikakor niso omogo\u010dali, pri tem pa vidimo, da je za uporabno fizikalno predobdelavo potrebno mehansko pred\u010di\u0161\u010denje.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>To je posebej aktualno pri kovinskih povr\u0161inah, ki so umazane na primer z olji, ki se uporabljajo pri proizvodnji folij ali odlitkov.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/details>\n\n<div style=\"height:57px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" style=\"font-size:clamp(18.959px, 1.185rem + ((1vw - 3.2px) * 0.863), 30px);\">.<\/h2>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<h5 class=\"wp-block-heading\">. <\/h5>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-0bd5d61 is-style-default\" data-block-id=\"0bd5d61\">\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-b8094ad stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"b8094ad\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-b8094ad-container stk-hover-parent\"><div class=\"stk-block-content stk-inner-blocks stk-b8094ad-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-2a7d77b stk-block-background\" data-block-id=\"2a7d77b\"><style>.stk-2a7d77b {background-color:#d7dadd !important;}.stk-2a7d77b:before{background-color:#d7dadd !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-433eea0\" id=\"effiziente-haftfestigkeitsprufung\" data-block-id=\"433eea0\"><style>@media screen and (max-width:689px){.stk-433eea0 .stk-block-heading__text{font-size:20px !important;}}<\/style><h4 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">.<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-2fcb6e7\" data-block-id=\"2fcb6e7\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-2fcb6e7\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-2-fcb-6-e-7-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-2-fcb-6-e-7-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1ab7d02 stk-block-accordion__content\" data-v=\"4\" data-block-id=\"1ab7d02\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1ab7d02-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1ab7d02-inner-blocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>.      <br\/><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>.         <br\/><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>.   <\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/details>\n","protected":false},"excerpt":{"rendered":"<p>Dolo\u010danje povr\u0161inske napetosti S preizkusnimi \u010drnili je mogo\u010de ugotavljati povr\u0161insko napetost trdnih teles iz umetne snovi \u2013 kovine \u2013 stekla \u2013 keramike in drugih materialov.Na ta na\u010din je mogo\u010de predvsem ugotavljanje oprijemljivosti povr\u0161in za tisk \u2013 lepljenje &#8211; lakiranje itd. na podlagi videza omo\u010dene povr\u0161ine. Dolo\u010danje povr\u0161inske napetosti poteka na podlagi nanosa preizkusnih \u010drnil na [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-17565","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"featured_image_src":null,"featured_image_src_square":null,"_links":{"self":[{"href":"https:\/\/arcotest.info\/sl\/wp-json\/wp\/v2\/pages\/17565","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arcotest.info\/sl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/arcotest.info\/sl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/arcotest.info\/sl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arcotest.info\/sl\/wp-json\/wp\/v2\/comments?post=17565"}],"version-history":[{"count":0,"href":"https:\/\/arcotest.info\/sl\/wp-json\/wp\/v2\/pages\/17565\/revisions"}],"wp:attachment":[{"href":"https:\/\/arcotest.info\/sl\/wp-json\/wp\/v2\/media?parent=17565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}