{"id":10331,"date":"2026-06-30T15:35:08","date_gmt":"2026-06-30T07:35:08","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10331"},"modified":"2026-06-30T15:38:45","modified_gmt":"2026-06-30T07:38:45","slug":"iso-13937-1","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/da\/standard\/iso-13937-1\/","title":{"rendered":"ISO 13937-1"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Stoffets holdbarhed er en afg\u00f8rende kvalitetsparameter for tekstiler, der anvendes i bekl\u00e6dning, tekniske tekstiler, medicinske produkter, industrielle materialer og emballage. <strong>ISO 13937-1<\/strong> tilbyder en standardiseret metode til evaluering af <strong>stoffets rivestyrke<\/strong> ved at m\u00e5le den kraft, der kr\u00e6ves for at udvide et forudsk\u00e5ret brud gennem en stofpr\u00f8ve ved hj\u00e6lp af den ballistiske pendulmetode, der almindeligvis kaldes <strong>Elmendorf-rivestest<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For producenter, laboratorier og fagfolk inden for kvalitetskontrol er det afg\u00f8rende at forst\u00e5 rivstyrke, da tekstiler ofte uds\u00e6ttes for lokal belastning under fremstilling, transport og ved den endelige anvendelse. Den <strong>ISO 13937-1<\/strong> Testmetoden giver en p\u00e5lidelig og repeterbar m\u00e5de at kvantificere et materiales modstandsdygtighed over for rivningsudbredelse p\u00e5 og underst\u00f8tter produktudvikling, materialevalg og overensstemmelsestest.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">En introduktion til ISO 13937-1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ISO 13937-1: Tekstiler \u2014 Stofers rivningsegenskaber \u2014 Del 1: Bestemmelse af rivkraft ved hj\u00e6lp af den ballistiske pendulmetode (Elmendorf)<\/strong> fastl\u00e6gger en metode til m\u00e5ling af den rivkraft, der kr\u00e6ves for at forts\u00e6tte et tidligere p\u00e5begyndt riv i en stofpr\u00f8ve.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I mods\u00e6tning til tr\u00e6kstyrkepr\u00f8vning, hvor man m\u00e5ler den kraft, der skal til for at br\u00e6kke en hel pr\u00f8ve, <strong>stoffets rivestyrke<\/strong> Testningen fokuserer p\u00e5 materialets evne til at modst\u00e5 udvidelse af et eksisterende snit, hak eller en defekt. Denne egenskab er ofte mere repr\u00e6sentativ for de skadesforhold, der forekommer i praksis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metoden kan prim\u00e6rt anvendes til:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00e6vede stoffer<\/li>\n\n\n\n<li>Mange ikke-v\u00e6vede materialer<\/li>\n\n\n\n<li>Tekniske tekstiler<\/li>\n\n\n\n<li>Industrielle tekstiler<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Standarden er generelt ikke egnet til:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Strikkede stoffer<\/li>\n\n\n\n<li>Meget elastiske v\u00e6vede stoffer<\/li>\n\n\n\n<li>St\u00e6rkt anisotrope materialer<\/li>\n\n\n\n<li>L\u00f8se konstruktioner, hvor der kan opst\u00e5 afvigelser ved rivning<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Princippet bag Elmendorf-rivestesten<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De <strong>Elmendorf-rivestest<\/strong> m\u00e5ler den kr\u00e6vede kraft til at udbrede en revne over en bestemt afstand i en stofpr\u00f8ve.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I fors\u00f8get anvendes et pendulbaseret apparat, der best\u00e5r af:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En bev\u00e6gelig klemme fastgjort til et pendul<\/li>\n\n\n\n<li>En fast klemme<\/li>\n\n\n\n<li>Et pr\u00e6parat med en foruddefineret spalte<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00f8ven fastg\u00f8res mellem klemmerne, og der laves en spalte i den inden pr\u00f8vningen. N\u00e5r pendulet slippes, river dets lagrede potentielle energi pr\u00f8ven helt over. Den energi, der g\u00e5r tabt under rivningen, omregnes til en rivkraftv\u00e6rdi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Den m\u00e5lte kraft angiver den gennemsnitlige kraft, der kr\u00e6ves for at forts\u00e6tte med at rive stoffet over en bestemt l\u00e6ngde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Denne metode simulerer de pludselige rivkr\u00e6fter, der opst\u00e5r under den faktiske brug af produktet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ISO 13937-1 Pr\u00f8vningsprocedure<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Forberedelse af pr\u00f8ver<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Stoffpr\u00f8ven forberedes i overensstemmelse med de dimensioner, der er angivet i standarden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De vigtigste krav omfatter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pr\u00f8ven er placeret centralt i klemmerne<\/li>\n\n\n\n<li>Den lange side ligger parallelt med overk\u00e6bens kant<\/li>\n\n\n\n<li>Indledende spaltel\u00e6ngde: <strong>20 \u00b1 0,5 mm<\/strong><\/li>\n\n\n\n<li>Resterende l\u00e6ngde af t\u00e5re: <strong>43 \u00b1 0,5 mm<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Der fremstilles typisk separate s\u00e6t pr\u00f8ver i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u00e6deretning<\/li>\n\n\n\n<li>Skudretning<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ved at teste i begge retninger opn\u00e5s en fuldst\u00e6ndig forst\u00e5else af materialets ydeevne.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ops\u00e6tning af udstyr<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f8r testen:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>V\u00e6lg den passende pendulkapacitet.<\/li>\n\n\n\n<li>Kontroller nulkalibreringen.<\/li>\n\n\n\n<li>L\u00f8ft pendulet til udgangspositionen.<\/li>\n\n\n\n<li>S\u00f8rg for, at de forventede resultater ligger mellem 15% og 85% inden for det valgte m\u00e5leomr\u00e5de.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Et korrekt valg af m\u00e5leomr\u00e5de forbedrer m\u00e5len\u00f8jagtigheden og minimerer usikkerheden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Testudf\u00f8relse<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Testforl\u00f8bet omfatter:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Sp\u00e6nd pr\u00f8ven fast.<\/li>\n\n\n\n<li>Sk\u00e6r den angivne spalte.<\/li>\n\n\n\n<li>Slip pendulet.<\/li>\n\n\n\n<li>Lad pendulet udbrede bruddet fuldst\u00e6ndigt.<\/li>\n\n\n\n<li>Not\u00e9r m\u00e5lingen af rivstyrken.<\/li>\n\n\n\n<li>Gentag for mindst fem pr\u00f8ver i hver retning.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Observationerne b\u00f8r desuden omfatte:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Justering af t\u00e5rekanalen<\/li>\n\n\n\n<li>Tr\u00e5dglidning<\/li>\n\n\n\n<li>Unormal opf\u00f8rsel af pr\u00f8ven<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Resultater, der viser for stort gevindglid, skal if\u00f8lge standarden kasseres.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fortolkning af resultater vedr\u00f8rende stoffers rivestyrke<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Det prim\u00e6re resultat, der er angivet under <strong>ISO 13937-1<\/strong> er brudstyrken, som typisk angives i Newton (N).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Eksempler p\u00e5 resultater<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Stofftype<\/th><th class=\"has-text-align-center\" data-align=\"center\">Warp Tear Force (N)<\/th><th class=\"has-text-align-center\" data-align=\"center\">V\u00e6ftens brudstyrke (N)<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Letv\u00e6gtsbomuld<\/td><td class=\"has-text-align-center\" data-align=\"center\">8.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">7.9<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">V\u00e6vet polyester<\/td><td class=\"has-text-align-center\" data-align=\"center\">18.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">16.7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Industrielt ikke-v\u00e6vet stof<\/td><td class=\"has-text-align-center\" data-align=\"center\">24.8<\/td><td class=\"has-text-align-center\" data-align=\"center\">22.1<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Teknisk beskyttelsesstof<\/td><td class=\"has-text-align-center\" data-align=\"center\">42.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">39.8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00f8jere v\u00e6rdier indikerer generelt st\u00f8rre modstand mod rivningsudbredelse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En acceptabel rivestyrke afh\u00e6nger dog af:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Produktanvendelse<\/li>\n\n\n\n<li>Materialesammens\u00e6tning<\/li>\n\n\n\n<li>Lovgivningsm\u00e6ssige krav<\/li>\n\n\n\n<li>Kundespecifikationer<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ingeni\u00f8rer sammenligner ofte resultaterne for rivestyrke med tr\u00e6kstyrke, punkteringsmodstand og slidstyrke for at f\u00e5 et fuldst\u00e6ndigt billede af materialets mekaniske egenskaber.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Elmendorf-rivestest sammenlignet med andre rivestemetoder<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Der findes flere standarder til vurdering af rivstyrke.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Metode<\/th><th class=\"has-text-align-center\" data-align=\"center\">Standard<\/th><th class=\"has-text-align-center\" data-align=\"center\">Princip<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Elmendorf-metoden<\/td><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Udbredelse af brud i et ballistisk pendul<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Revne i bukserne<\/td><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-2<\/td><td class=\"has-text-align-center\" data-align=\"center\">Kontinuerlig tr\u00e6kbelastning<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Vingeafrivning<\/td><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-3<\/td><td class=\"has-text-align-center\" data-align=\"center\">Rivningsudbredelse baseret p\u00e5 tr\u00e6kstyrke<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">S\u00e5r p\u00e5 tungen<\/td><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-4<\/td><td class=\"has-text-align-center\" data-align=\"center\">Konfiguration med dobbelt tunge<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De <strong>Elmendorf-rivestest<\/strong> foretr\u00e6kkes ofte til rutinem\u00e6ssig kvalitetskontrol, fordi den giver:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hurtig testning<\/li>\n\n\n\n<li>Enkel betjening<\/li>\n\n\n\n<li>Fremragende repeterbarhed<\/li>\n\n\n\n<li>H\u00f8j produktivitet<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Elmendorf-rivestyrketester til ISO 13937-1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f8jagtig overholdelse af <strong>ISO 13937-1<\/strong> kr\u00e6ver en korrekt udformet <strong><a href=\"https:\/\/www.packqc.com\/da\/products\/sld-01-elmendorf-tear-strength-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">Elmendorf test af rivestyrke<\/a><\/strong> i stand til at levere kontrolleret pendulenergi og pr\u00e6cis kraftm\u00e5ling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Celleinstrumenter <a href=\"https:\/\/www.packqc.com\/da\/products\/sld-01-elmendorf-tear-strength-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">SLD-01 Elmendorf-rivestyrketester<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">De <strong>SLD-01 Elmendorf-rivestyrketester<\/strong> fra Cell Instruments er udviklet til vurdering af rivstyrken hos tekstiler, ikke-v\u00e6vede materialer, papir og industrielle materialer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">N\u00f8glefunktioner<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PLC-styring med HMI-ber\u00f8ringssk\u00e6rm<\/strong> for intuitiv betjening<\/li>\n\n\n\n<li><strong>Pneumatisk fastsp\u00e6nding af pr\u00f8ver<\/strong> for en ensartet gribekraft<\/li>\n\n\n\n<li><strong>Automatisk udl\u00f8sning af pendul<\/strong> for at mindske operat\u00f8rens indflydelse<\/li>\n\n\n\n<li><strong>Kontrol af kalibreringsv\u00e6gte<\/strong> til flere kraftomr\u00e5der<\/li>\n\n\n\n<li><strong>Automatisk statistisk analyse<\/strong> af testresultaterne<\/li>\n\n\n\n<li><strong>Valgfri professionel software<\/strong> til avanceret rapportering<\/li>\n\n\n\n<li><strong>Valgfri mikroprinter og RS-232-kommunikation<\/strong><\/li>\n\n\n\n<li>Valgfri papirspecifikke udskriftsformater, herunder rivindeks og mN-enheder<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Tekniske specifikationer<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Parameter<\/th><th class=\"has-text-align-center\" data-align=\"center\">Specifikation<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Pendulkapacitet<\/td><td class=\"has-text-align-center\" data-align=\"center\">200, 400, 800, 1600, 3200, 6400 gf<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Rivearmens l\u00e6ngde<\/td><td class=\"has-text-align-center\" data-align=\"center\">104 \u00b1 1 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Indledende brudvinkel<\/td><td class=\"has-text-align-center\" data-align=\"center\">27,5 \u00b1 0,5\u00b0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Gas kilde<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,6 MPa<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Str\u00f8mforsyning<\/td><td class=\"has-text-align-center\" data-align=\"center\">110\u2013220 V vekselstr\u00f8m, 50\/60 Hz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Instrumentet underst\u00f8tter en p\u00e5lidelig implementering af <strong>ISO 13937-1<\/strong> testkravene og samtidig forbedre laboratoriets effektivitet og datakonsistensen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ISO 13937-1<\/strong> er stadig en af de mest anerkendte standarder til vurdering af <strong>stoffets rivestyrke<\/strong> ved hj\u00e6lp af <strong>Elmendorf-rivestest<\/strong> metode. Ved at m\u00e5le den kraft, der kr\u00e6ves for at udbrede et kontrolleret brud, giver standarden v\u00e6rdifuld indsigt i materialets holdbarhed og ydeevne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For tekstilproducenter, testlaboratorier og kvalitetsansvarlige er en n\u00f8jagtig <strong>Elmendorf test af rivestyrke<\/strong> er afg\u00f8rende for at generere p\u00e5lidelige data, underst\u00f8tte kvalitetskontroltiltag og sikre overholdelse af branchens krav. Korrekt implementering af <a href=\"https:\/\/www.iso.org\/standard\/23369.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ISO 13937-1<\/a> giver mulighed for et bedre materialevalg, forbedret produktydelse og st\u00f8rre tillid til de f\u00e6rdige tekstilprodukter.<\/p>","protected":false},"excerpt":{"rendered":"<p>Stoffets holdbarhed er en afg\u00f8rende kvalitetsparameter for tekstiler, der anvendes i bekl\u00e6dning, tekniske tekstiler, medicinske produkter, industrielle materialer og emballage. ISO 13937-1 angiver en standardiseret metode til vurdering af stoffets rivestyrke ved at m\u00e5le den kraft, der kr\u00e6ves for at udvide et forudsk\u00e5ret riv i en stofpr\u00f8ve ved hj\u00e6lp af den ballistiske pendulmetode, almindeligvis kendt som [\u2026]<\/p>","protected":false},"featured_media":10332,"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":[612],"class_list":["post-10331","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-iso"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/standard\/10331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/media\/10332"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/media?parent=10331"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/da\/wp-json\/wp\/v2\/standard-category?post=10331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}