{"id":9848,"date":"2026-02-24T15:11:45","date_gmt":"2026-02-24T07:11:45","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/tappi-t549-2\/"},"modified":"2026-04-16T09:59:50","modified_gmt":"2026-04-16T01:59:50","slug":"tappi-t549","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/sl\/standard\/tappi-t549\/","title":{"rendered":"TAPPI T549"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Zakaj je merjenje koeficienta trenja papirja pomembno<\/h2>\n\n\n\n<p>Povr\u0161ine papirja se med proizvodnjo in uporabo dinami\u010dno spreminjajo. Spletna stran <strong data-start=\"1535\" data-end=\"1549\">stati\u010dni COF<\/strong> meri silo, potrebno za za\u010detek drsenja med dvema listoma, medtem ko <strong data-start=\"1628\" data-end=\"1643\">kineti\u010dni COF<\/strong> se nana\u0161a na silo, ki je potrebna za ohranjanje konstantne hitrosti gibanja. Preve\u010d spolzek papir lahko povzro\u010di napa\u010dno podajanje, medtem ko lahko povr\u0161ina s prevelikim trenjem povzro\u010di trganje ali zatikanje.<\/p>\n\n\n\n<p>TAPPI T549 posebej obravnava trenje <strong data-start=\"1878\" data-end=\"1938\">med dva lista nepremazanega pisalnega ali tiskarskega papirja.<\/strong>, ki simulira pogoje med zlaganjem, podajanjem ali prena\u0161anjem listov skozi tiskalnike in kopirne stroje. Natan\u010dno <strong data-start=\"2053\" data-end=\"2098\">merjenje koeficienta trenja na papirju<\/strong> pomaga pri optimizaciji formulacij izdelkov, ocenjevanju u\u010dinkovitosti premazov in zagotavljanju skladnosti kakovosti v serijah.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pregled standardne preskusne metode v okviru TAPPI T549<\/h2>\n\n\n\n<p>Test TAPPI T549 vklju\u010duje <strong data-start=\"2314\" data-end=\"2341\">metoda vodoravne ravnine<\/strong>, pri kateri se vzorec papirja v nadzorovanih pogojih potegne \u010dez drug list. Postavitev vklju\u010duje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>gladka, ravna preskusna ravnina (kovinska, steklena ali plasti\u010dna)<\/li>\n\n\n\n<li>A <strong data-start=\"2509\" data-end=\"2530\">standardizirane sani<\/strong> s stisljivo neoprensko podlago<\/li>\n\n\n\n<li>A <strong data-start=\"2574\" data-end=\"2600\">naprava za merjenje sile<\/strong> (kot obremenitvena celica)<\/li>\n\n\n\n<li>Sistem za gibanje s konstantno hitrostjo (obi\u010dajno 150 \u00b1 30 mm\/min)<\/li>\n<\/ul>\n\n\n\n<p>Test se izvaja v obeh <strong data-start=\"2714\" data-end=\"2740\">smer stroja (MD)<\/strong> in <strong data-start=\"2745\" data-end=\"2777\">pre\u010dna smer stroja (CD)<\/strong> s skrbno pripravljenimi vzorci. Meritve zajemajo za\u010detni upor (stati\u010dna COF) in trajno gibanje (kineti\u010dna COF).<\/p>\n\n\n\n<p>TAPPI T549 se razlikuje od drugih metod, kot je TAPPI T815, ki meri COF embala\u017enih materialov na nagnjeni ravnini. Z osredoto\u010danjem na obna\u0161anje ravnih listov in zdrse ob prvem stiku T549 zagotavlja natan\u010dne podatke za <strong data-start=\"3124\" data-end=\"3150\">aplikacije s podajanjem listov<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"FPT-01 Tester trdnosti trenja in lu\u0161\u010denja s funkcijo koeficienta trenja\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/QpwY4XRM9JI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Osnove priprave vzorca in preskusnega postopka<\/h2>\n\n\n\n<p>V skladu s standardom TAPPI T549 je klju\u010dnega pomena natan\u010dna priprava vzorca. Listi morajo biti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Predkondicionirano in kondicionirano po TAPPI T402<\/li>\n\n\n\n<li>Natan\u010dno izre\u017eite, da se izognete po\u0161kodbam robov (priporo\u010dene velikosti: 100 \u00d7 215 mm in 75 \u00d7 130 mm).<\/li>\n\n\n\n<li>med testiranjem poravnani v pravilne smeri MD ali CD<\/li>\n<\/ul>\n\n\n\n<p>Med testiranjem je <strong data-start=\"4357\" data-end=\"4387\">sani je treba previdno polo\u017eiti.<\/strong> brez bo\u010dnega premikanja. Sila vleka se zabele\u017ei takoj ob za\u010detku gibanja (za stati\u010dno COF), nato pa se za kineti\u010dno COF izra\u010duna povpre\u010dje za pot 130 mm.<\/p>\n\n\n\n<p>Paziti je treba, da ne pride do vibracij ali raztezanja povezovalne \u017eice, kar lahko popa\u010di rezultate. Spletna stran <strong data-start=\"4659\" data-end=\"4669\">FPT-01<\/strong> te izzive re\u0161uje s stabilizirano konstrukcijo in tehnologijo natan\u010dnega zaznavanja obremenitve.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aplikacije in poslovna vrednost<\/h2>\n\n\n\n<p>Zanesljivi podatki COF zagotavljajo dosledno <strong data-start=\"4846\" data-end=\"4863\">podajanje listov<\/strong>, bolje <strong data-start=\"4872\" data-end=\"4892\">u\u010dinkovitost tiska<\/strong>, in <strong data-start=\"4898\" data-end=\"4923\">zmanj\u0161ano \u0161tevilo odpadnih izdelkov.<\/strong>. TAPPI T549 omogo\u010da osebju za zagotavljanje kakovosti in razvijalcem papirnih izdelkov:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Primerjava povr\u0161inskih obdelav (npr. kalandriranje, premaz)<\/li>\n\n\n\n<li>Vrednotenje enakomernosti serije<\/li>\n\n\n\n<li>primerjalna analiza s standardi v panogi<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Izbira pravega preizku\u0161evalnika tornega lupljenja<\/h2>\n\n\n\n<p>Za skladnost s standardom TAPPI T549 in zagotavljanje visoke ponovljivosti je bistvenega pomena robusten in ob\u010dutljiv preskusni sistem. Sistem <a href=\"https:\/\/www.packqc.com\/sl\/product\/sale-friction-peel-tester-manufacturer\/\">FPT-01<\/a> Tester tornega lupljenja podjetja Cell Instruments je zasnovan tako, da izpolnjuje te potrebe. Ponuja:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zelo natan\u010dni senzorji sile s hitro odzivnostjo<\/li>\n\n\n\n<li>Prilagodljiva masa sani in mo\u017enosti povr\u0161ine v skladu s standardom TAPPI T549<\/li>\n\n\n\n<li>Enakomeren nadzor hitrosti drsenja z minimalnimi vibracijami<\/li>\n\n\n\n<li>Prikaz podatkov v realnem \u010dasu in vgrajeni izra\u010duni COF (stati\u010dni in kineti\u010dni)<\/li>\n\n\n\n<li>Uporabniku prijazen programski vmesnik in izbirne funkcije za izvoz podatkov<\/li>\n<\/ul>\n\n\n\n<p>Z uporabo testerja FPT-01 cof lahko proizvajalci papirja in predelovalci z gotovostjo izvajajo meritve koeficienta trenja papirja v skladu s standardi TAPPI, kar zmanj\u0161uje \u0161tevilo ro\u010dnih napak in pove\u010duje zmogljivost laboratorija.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kontaktirajte nas Pridobite re\u0161itev za testiranje TAPPI T549 D1709 <\/h2>\n\n\n\n<p><strong data-start=\"5424\" data-end=\"5438\">TAPPI T549<\/strong> je klju\u010dno merilo za ocenjevanje <strong data-start=\"5488\" data-end=\"5519\">stati\u010dno in kineti\u010dno trenje<\/strong> nepremazanega tiskarskega in pisalnega papirja. Proizvajalcem omogo\u010da, da natan\u010dno prilagodijo zmogljivost izdelka, izbolj\u0161ajo u\u010dinkovitost proizvodnje in izpolnijo pri\u010dakovanja kon\u010dnih uporabnikov. Z Cell Instruments\u2019 <strong data-start=\"5705\" data-end=\"5726\">FPT-01 cof tester<\/strong>, organizacije pridobijo zanesljivo, s standardi skladno re\u0161itev za <strong data-start=\"5792\" data-end=\"5837\">merjenje koeficienta trenja na papirju<\/strong> ki zagotavlja visoko natan\u010dnost in ponovljivost.<\/p>\n\n\n\n<p>Z vklju\u010devanjem <strong data-start=\"5154\" data-end=\"5203\"><a href=\"https:\/\/www.packqc.com\/sl\/\">Celi\u010dni instrumenti<\/a>\u2018 FPT-01 Tester tornega lupljenja<\/strong>, laboratoriji pridobijo zanesljivo platformo za izvajanje <a href=\"https:\/\/www.tappi.org\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">TAPPI <\/a>T549 natan\u010dno in u\u010dinkovito, zato je idealen za uporabo v <strong data-start=\"5324\" data-end=\"5399\">laboratoriji za raziskave in razvoj, oddelki za nadzor kakovosti in agencije za testiranje tretjih oseb.<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Zakaj je merjenje koeficienta trenja papirja pomembno Povr\u0161ine papirja se med proizvodnjo in uporabo dinami\u010dno spreminjajo. Stati\u010dni koeficient trenja meri silo, ki je potrebna za za\u010detek drsenja med dvema listoma, medtem ko se kineti\u010dni koeficient trenja nana\u0161a na silo, ki je potrebna za ohranjanje gibanja pri konstantni hitrosti. Preve\u010d spolzek papir lahko povzro\u010di napa\u010dno podajanje, [...]<\/p>","protected":false},"featured_media":6415,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"standard-category":[615],"class_list":["post-9848","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-tappi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/standard\/9848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/media\/6415"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/media?parent=9848"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/standard-category?post=9848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}