{"id":983,"date":"2026-06-30T09:29:57","date_gmt":"2026-06-30T09:29:57","guid":{"rendered":"https:\/\/www.teartester.com\/?post_type=standard&#038;p=983"},"modified":"2026-07-01T08:11:40","modified_gmt":"2026-07-01T08:11:40","slug":"iso-13937-1","status":"publish","type":"standard","link":"https:\/\/www.teartester.com\/ro\/standard\/iso-13937-1\/","title":{"rendered":"ISO 13937-1"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Rezisten\u021ba la rupere a \u021bes\u0103turilor este o proprietate esen\u021bial\u0103 a materialelor textile utilizate \u00een confec\u021bii, \u021bes\u0103turi industriale, textile tehnice, \u00eembr\u0103c\u0103minte de protec\u021bie, textile pentru ambalaje \u0219i produse ne\u021besute. <strong>ISO 13937-1<\/strong> ofer\u0103 o metod\u0103 standardizat\u0103 de evaluare a for\u021bei necesare pentru propagarea unei rupturi prestabilite \u00eentr-un material textil, utiliz\u00e2nd metoda pendulului balistic, cunoscut\u0103 \u00een mod obi\u0219nuit sub denumirea de <strong>Rezisten\u021ba la rupere Elmendorf<\/strong> test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru produc\u0103tori, laboratoare \u0219i speciali\u0219tii \u00een controlul calit\u0103\u021bii, \u00een\u021belegerea <strong>ISO 13937-1<\/strong> contribuie la asigurarea faptului c\u0103 produsele textile pot rezista la solicit\u0103rile reale cu care se confrunt\u0103 \u00een timpul manipul\u0103rii, prelucr\u0103rii, transportului \u0219i utiliz\u0103rii finale. Acest articol explic\u0103 principiul de testare, procedura, aplica\u021biile, interpretarea rezultatelor \u0219i cerin\u021bele privind echipamentul asociate cu <strong>testul de rupere a \u021bes\u0103turii<\/strong> \u00een conformitate cu standardul ISO 13937-1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00cen\u021belegerea standardului ISO 13937-1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ISO 13937-1: Textile \u2014 Propriet\u0103\u021bile de rupere ale \u021bes\u0103turilor \u2014 Partea 1: Determinarea for\u021bei de rupere prin metoda pendulului balistic (Elmendorf)<\/strong> precizeaz\u0103 o metod\u0103 de m\u0103surare a for\u021bei necesare pentru a continua o ruptur\u0103 deja ini\u021biat\u0103 \u00eentr-o prob\u0103 de \u021bes\u0103tur\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spre deosebire de \u00eencercarea de trac\u021biune, care m\u0103soar\u0103 for\u021ba necesar\u0103 pentru ruperea unui e\u0219antion \u00eentreg, <strong>ISO 13937-1<\/strong> se concentreaz\u0103 pe propagarea fisurilor. Aceast\u0103 distinc\u021bie este important\u0103 deoarece, \u00een aplica\u021biile practice, \u021bes\u0103turile cedeaz\u0103 adesea din cauza t\u0103ieturilor, perfora\u021biilor sau defectelor existente, mai degrab\u0103 dec\u00e2t din cauza unei solicit\u0103ri uniforme la trac\u021biune.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Metoda se aplic\u0103 \u00een principal \u00een urm\u0103toarele cazuri:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u021aes\u0103turi<\/li>\n\n\n\n<li>Multe materiale ne\u021besute<\/li>\n\n\n\n<li>\u021aes\u0103turi acoperite cu un strat protector<\/li>\n\n\n\n<li>Textile tehnice<\/li>\n\n\n\n<li>\u021aes\u0103turi industriale<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u00cen general, standardul nu este adecvat pentru:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u021aes\u0103turi tricotate<\/li>\n\n\n\n<li>\u021aes\u0103turi cu elasticitate ridicat\u0103<\/li>\n\n\n\n<li>Construc\u021bii extrem de libere<\/li>\n\n\n\n<li>\u021aes\u0103turi cu grad ridicat de anizotropie, la care direc\u021bia de rupere poate varia \u00een timpul test\u0103rii<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">De ce este important\u0103 rezisten\u021ba la rupere?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Rezisten\u021ba la rupere este adesea un indicator cheie al durabilit\u0103\u021bii \u021bes\u0103turii \u0219i al duratei sale de via\u021b\u0103.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Probleme frecvente legate de calitate abordate prin testarea la rupere<\/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\">Cerere<\/th><th class=\"has-text-align-center\" data-align=\"center\">Importan\u021ba rezisten\u021bei la rupere<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u021aes\u0103turi pentru confec\u021bii<\/td><td class=\"has-text-align-center\" data-align=\"center\">Rezisten\u021ba la ruperea accidental\u0103 \u00een timpul purt\u0103rii<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u00cembr\u0103c\u0103minte de protec\u021bie<\/td><td class=\"has-text-align-center\" data-align=\"center\">Prevenirea propag\u0103rii fisurii dup\u0103 producerea unei deterior\u0103ri<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Geotextile<\/td><td class=\"has-text-align-center\" data-align=\"center\">Rezisten\u021ba la solicit\u0103rile ap\u0103rute \u00een timpul instal\u0103rii<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Textile industriale<\/td><td class=\"has-text-align-center\" data-align=\"center\">Comportamentul sub sarcin\u0103 mecanic\u0103<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Materiale ne\u021besute<\/td><td class=\"has-text-align-center\" data-align=\"center\">Integritatea structural\u0103 \u00een timpul manipul\u0103rii<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u021aes\u0103turi pentru tapi\u021berie<\/td><td class=\"has-text-align-center\" data-align=\"center\">Rezisten\u021ba la deteriorare \u00een timpul utiliz\u0103rii<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un material poate prezenta o rezisten\u021b\u0103 excelent\u0103 la trac\u021biune, dar se poate rupe prematur dac\u0103 rezisten\u021ba sa la rupere este insuficient\u0103. Prin urmare, <strong>testul de rupere a \u021bes\u0103turii<\/strong> ofer\u0103 informa\u021bii suplimentare, esen\u021biale pentru o evaluare cuprinz\u0103toare a materialului.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Principiul test\u0103rii rezisten\u021bei la rupere dup\u0103 metoda Elmendorf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Rezisten\u021ba la rupere Elmendorf<\/strong> Metoda m\u0103soar\u0103 energia necesar\u0103 pentru propagarea unei rupturi pe o distan\u021b\u0103 specificat\u0103 \u00eentr-o prob\u0103 de \u021bes\u0103tur\u0103.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cum func\u021bioneaz\u0103 testul<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O prob\u0103 dreptunghiular\u0103 este fixat\u0103 \u00eentre dou\u0103 cleme:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O clem\u0103 este fixat\u0103<\/li>\n\n\n\n<li>Cel\u0103lalt este fixat de un pendul<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Se realizeaz\u0103 o t\u0103ietur\u0103 prestabilit\u0103 \u00een prob\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2nd pendulul este eliberat:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Energia poten\u021bial\u0103 se transform\u0103 \u00een energie cinetic\u0103.<\/li>\n\n\n\n<li>Clema mobil\u0103 trage rapid materialul.<\/li>\n\n\n\n<li>Ruptura se propag\u0103 pe o distan\u021b\u0103 determinat\u0103.<\/li>\n\n\n\n<li>Se m\u0103soar\u0103 energia absorbit\u0103 \u00een timpul ruperii.<\/li>\n\n\n\n<li>Se calculeaz\u0103 \u0219i se raporteaz\u0103 for\u021ba de rupere corespunz\u0103toare.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Testul cuantific\u0103 for\u021ba medie necesar\u0103 pentru a continua ruperea materialului.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vizualizarea procesului de testare<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Preg\u0103tirea probei \u2192 T\u0103ierea preliminar\u0103 \u2192 Fixarea probei \u2192 Eliberarea pendulului \u2192 Propagarea ruperii \u2192 Calcularea for\u021bei<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aceast\u0103 condi\u021bie de \u00eenc\u0103rcare rapid\u0103 simuleaz\u0103 situa\u021biile \u00een care se produce o rupere brusc\u0103 \u00een timpul utiliz\u0103rii efective.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Procedura de testare conform ISO 13937-1<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">1. Preg\u0103tirea probelor<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dimensiunile \u0219i orientarea e\u0219antionului trebuie s\u0103 respecte cerin\u021bele standardului.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Testarea se efectueaz\u0103, de obicei, \u00een ambele:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Direc\u021bia urzelii<\/li>\n\n\n\n<li>Direc\u021bia firului de b\u0103t\u0103tur\u0103<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Se preg\u0103tesc mai multe e\u0219antioane pentru a asigura fiabilitatea statistic\u0103.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Efectuarea testului<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">E\u0219antionul este fixat cu grij\u0103 \u00eentre cleme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Operatorul:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ridic\u0103 pendulul \u00een pozi\u021bia ini\u021bial\u0103<\/li>\n\n\n\n<li>Verific\u0103 calibrarea la zero<\/li>\n\n\n\n<li>Elibereaz\u0103 pendulul<\/li>\n\n\n\n<li>\u00cenregistreaz\u0103 for\u021ba de rupere m\u0103surat\u0103<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Capacitatea pendulului selectat ar trebui s\u0103 genereze valori cuprinse \u00eentre: <strong>15% \u0219i 85% la capacitate maxim\u0103<\/strong> pentru a ob\u021bine o precizie optim\u0103.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">2. Realizarea t\u0103ieturii ini\u021biale<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O fant\u0103 cu dimensiunile:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>20 mm \u00b1 0,5 mm<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">se decupeaz\u0103 din prob\u0103 \u00eenainte de testare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Traseul lacrimilor care r\u0103m\u00e2ne este:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>43 mm \u00b1 0,5 mm<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aceast\u0103 geometrie controlat\u0103 asigur\u0103 coeren\u021ba \u00eentre laboratoare.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Verific\u0103ri de validitate<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ruptura ar trebui s\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Respecta\u021bi direc\u021bia de rupere indicat\u0103<\/li>\n\n\n\n<li>S\u0103 r\u0103m\u00e2n\u0103 stabil pe toat\u0103 durata propag\u0103rii<\/li>\n\n\n\n<li>S\u0103 nu prezinte o alunecare excesiv\u0103 a firului<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Rezultatele trebuie respinse dac\u0103 se produce alunecarea firului \u00een loc de ruperea propriu-zis\u0103. Dac\u0103 trei sau mai multe e\u0219antioane din cinci sunt invalide, este posibil ca metoda s\u0103 nu fie adecvat\u0103 pentru materialul respectiv.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-683x1024.webp\" alt=\"ISO 13937-1: Testul de rupere Elmendorf al \u021bes\u0103turilor\" class=\"wp-image-984\" style=\"width:683px;height:auto\" srcset=\"https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-683x1024.webp 683w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-200x300.webp 200w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-768x1152.webp 768w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics-8x12.webp 8w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/ISO-13937-1-Elmendorf-Tear-Test-of-Fabrics.webp 1024w\" sizes=\"(max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Factori-cheie care influen\u021beaz\u0103 rezisten\u021ba la rupere conform metodei Elmendorf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mai multe caracteristici ale materialului influen\u021beaz\u0103 rezultatele testelor.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Structura \u021bes\u0103turii<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Num\u0103rul firelor<\/li>\n\n\n\n<li>Densitatea \u021bes\u0103turii<\/li>\n\n\n\n<li>Model de \u021bes\u0103tur\u0103<\/li>\n\n\n\n<li>Frecven\u021ba de \u00eempletire a firelor<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen general, \u021bes\u0103turile mai dense prezint\u0103 un comportament la rupere diferit fa\u021b\u0103 de cele mai rare.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tipul fibrei<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Printre exemple se num\u0103r\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bumbac<\/li>\n\n\n\n<li>Poliester<\/li>\n\n\n\n<li>Nylon<\/li>\n\n\n\n<li>Aramid\u0103<\/li>\n\n\n\n<li>Polipropilen\u0103<\/li>\n\n\n\n<li>Fibre amestecate<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Rezisten\u021ba fibrelor \u0219i propriet\u0103\u021bile de alungire influen\u021beaz\u0103 \u00een mod direct propagarea ruperii.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Tratamente de finisare<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Procesele de finisare chimic\u0103 \u0219i mecanic\u0103 pot influen\u021ba \u00een mod semnificativ rezisten\u021ba la rupere:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Acoperiri<\/li>\n\n\n\n<li>Tratamente cu r\u0103\u0219in\u0103<\/li>\n\n\n\n<li>Finisaje impermeabile<\/li>\n\n\n\n<li>Tratamente ignifuge<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Direc\u021bia fibrelor \u021bes\u0103turii<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Rezisten\u021ba la rupere a firului de urzeal\u0103 \u0219i a firului de b\u0103t\u0103tur\u0103 difer\u0103 adesea \u00een mod substan\u021bial din cauza diferen\u021belor de structur\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Din acest motiv, <strong>ISO 13937-1<\/strong> necesit\u0103 efectuarea de teste \u00een fiecare direc\u021bie relevant\u0103.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Interpretarea rezultatelor testelor<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Valoarea principal\u0103 raportat\u0103 este for\u021ba de rupere, exprimat\u0103 de obicei \u00een:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Newtoni (N)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Valorile mai mari indic\u0103, \u00een general, o rezisten\u021b\u0103 mai mare la propagarea ruperii.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple de date<\/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\">Exemplu<\/th><th class=\"has-text-align-center\" data-align=\"center\">For\u021ba Rupturii Warp (N)<\/th><th class=\"has-text-align-center\" data-align=\"center\">For\u021ba de rupere a firului de b\u0103t\u0103tur\u0103 (N)<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u021aes\u0103tura A<\/td><td class=\"has-text-align-center\" data-align=\"center\">28.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">24.8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u021aes\u0103tura B<\/td><td class=\"has-text-align-center\" data-align=\"center\">42.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">38.7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u021aes\u0103tura C<\/td><td class=\"has-text-align-center\" data-align=\"center\">15.6<\/td><td class=\"has-text-align-center\" data-align=\"center\">18.2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Aceste valori pot fi utilizate pentru:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dezvoltarea produselor<\/li>\n\n\n\n<li>Calificarea furnizorilor<\/li>\n\n\n\n<li>Controlul materialelor primite<\/li>\n\n\n\n<li>Controlul calit\u0103\u021bii produc\u021biei<\/li>\n\n\n\n<li>Analiza comparativ\u0103 \u00een domeniul concuren\u021bei<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Aplicarea standardului ISO 13937-1 \u00een diverse sectoare industriale<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Produc\u021bia de textile<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Produc\u0103torii folosesc <strong>ISO 13937-1<\/strong> pentru a verifica cerin\u021bele privind durabilitatea \u0219i pentru a asigura consecven\u021ba produsului.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00cembr\u0103c\u0103minte de protec\u021bie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cembr\u0103c\u0103mintea de protec\u021bie trebuie s\u0103 aib\u0103 o rezisten\u021b\u0103 adecvat\u0103 la rupere pentru a asigura siguran\u021ba chiar \u0219i \u00een cazul unor deterior\u0103ri minore.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Textile tehnice<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u021aes\u0103turile industriale utilizate \u00een transporturi, construc\u021bii \u0219i aplica\u021bii de filtrare necesit\u0103 adesea verificarea rezisten\u021bei la rupere.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Produse ne\u021besute<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Multe materiale ne\u021besute utilizate \u00een sectoarele igienei, medical \u0219i industrial sunt evaluate folosind <strong>Rezisten\u021ba la rupere Elmendorf<\/strong> metod\u0103.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cercetare \u0219i dezvoltare<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Produc\u0103torii de materiale utilizeaz\u0103 acest standard pentru a compara noile structuri ale \u021bes\u0103turilor, fibrele \u0219i tehnologiile de finisare.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cerin\u021be privind aparatul de testare a rezisten\u021bei la rupere Elmendorf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un <strong>Aparat de testare a rezisten\u021bei la rupere Elmendorf<\/strong> trebuie s\u0103 furnizeze:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u0103surarea precis\u0103 a energiei pendulului<\/li>\n\n\n\n<li>Condi\u021bii stabile de prindere<\/li>\n\n\n\n<li>Pozi\u021bionarea controlat\u0103 a probei<\/li>\n\n\n\n<li>Capacitate de calibrare fiabil\u0103<\/li>\n\n\n\n<li>Eliberare repetabil\u0103 a pendulului<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Deoarece for\u021ba de rupere poate fi extrem de sensibil\u0103 la condi\u021biile de testare, calitatea echipamentului joac\u0103 un rol semnificativ \u00een ob\u021binerea unor rezultate repetabile \u0219i reproductibile.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cell Instruments SLD-01 Aparat de testare a rezisten\u021bei la rupere Elmendorf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru laboratoarele care efectueaz\u0103 <strong>ISO 13937-1<\/strong> testare, <strong>SLD-01 Aparat de testare a rezisten\u021bei la rupere Elmendorf<\/strong> din <a href=\"https:\/\/www.teartester.com\/ro\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cell Instruments<\/a> este conceput pentru a facilita evaluarea standardizat\u0103 a rezisten\u021bei la rupere a materialelor textile, a h\u00e2rtiei, a foliilor, a materialelor ne\u021besute \u0219i a altor materiale similare.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Caracteristici principale<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sistem controlat prin PLC cu interfa\u021b\u0103 om-ma\u0219in\u0103 (HMI) cu ecran tactil<\/li>\n\n\n\n<li>Prinderea pneumatic\u0103 a probelor pentru o for\u021b\u0103 de prindere constant\u0103<\/li>\n\n\n\n<li>Eliberarea automat\u0103 a pendulului pentru a reduce influen\u021ba operatorului<\/li>\n\n\n\n<li>Capacit\u0103\u021bi multiple ale pendulului:\n<ul class=\"wp-block-list\">\n<li>200 gf<\/li>\n\n\n\n<li>400 gf<\/li>\n\n\n\n<li>800 gf<\/li>\n\n\n\n<li>1600 gf<\/li>\n\n\n\n<li>3200 gf<\/li>\n\n\n\n<li>6400 gf<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Verificarea greut\u0103\u021bilor de calibrare \u00eencorporat\u0103<\/li>\n\n\n\n<li>Calcule statistice automatizate<\/li>\n\n\n\n<li>Software profesional op\u021bional pentru gestionarea datelor<\/li>\n\n\n\n<li>Microimprimant\u0103 op\u021bional\u0103 \u0219i conectivitate RS-232<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Specifica\u021bii tehnice<\/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\">Parametru<\/th><th class=\"has-text-align-center\" data-align=\"center\">Specifica\u021bii<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Capacitatea pendulului<\/td><td class=\"has-text-align-center\" data-align=\"center\">200\u20136400 gf<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Lungimea bra\u021bului de rupere<\/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\">Unghiul ini\u021bial de rupere<\/td><td class=\"has-text-align-center\" data-align=\"center\">27,5\u00b0 \u00b1 0,5\u00b0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Alimentarea cu gaz<\/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\">Surs\u0103 de alimentare<\/td><td class=\"has-text-align-center\" data-align=\"center\">110\u2013220 V c.a., 50\/60 Hz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Sistemul vine \u00een sprijinul laboratoarelor care doresc s\u0103 asigure respectarea cu adev\u0103rat a <strong>ISO 13937-1<\/strong> \u0219i alte cerin\u021be privind testarea rezisten\u021bei la rupere.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Standarde conexe privind testarea rezisten\u021bei la rupere<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De\u0219i <strong>ISO 13937-1<\/strong> De\u0219i este utilizat\u0103 pe scar\u0103 larg\u0103, pot fi aplicabile \u0219i alte metode de testare a rezisten\u021bei la rupere, \u00een func\u021bie de tipul materialului \u0219i de cerin\u021bele din domeniu.<\/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\">Standard<\/th><th class=\"has-text-align-center\" data-align=\"center\">Metoda<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda pendulului Elmendorf<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-2<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda lacrimii unice<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-3<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda de rupere a pantalonilor<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 13937-4<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda de rupere a limbii<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ASTM D1424<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda de rupere Elmendorf pentru materiale textile<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ASTM D5734<\/td><td class=\"has-text-align-center\" data-align=\"center\">Metoda de rupere a pantalonilor<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">TAPPI T414<\/td><td class=\"has-text-align-center\" data-align=\"center\">Rezisten\u021ba la rupere Elmendorf pentru h\u00e2rtie<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Alegerea metodei adecvate depinde de structura \u021bes\u0103turii, de cerin\u021bele de utilizare \u0219i de specifica\u021biile clientului.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ISO 13937-1<\/strong> r\u0103m\u00e2ne unul dintre cele mai recunoscute standarde pentru evaluarea rezisten\u021bei la propagarea rupturii \u00een \u021bes\u0103turi \u0219i \u00een multe materiale ne\u021besute. Prin m\u0103surarea <strong>Rezisten\u021ba la rupere Elmendorf<\/strong>, produc\u0103torii \u0219i laboratoarele de testare pot \u00een\u021belege mai bine durabilitatea \u021bes\u0103turilor, pot compara performan\u021bele materialelor \u0219i pot asigura respectarea cerin\u021belor clien\u021bilor \u0219i ale industriei.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O execu\u021bie corect\u0103 <strong>testul de rupere a \u021bes\u0103turii<\/strong> ofer\u0103 date valoroase privind controlul calit\u0103\u021bii, care sus\u021bin dezvoltarea produselor, calificarea furnizorilor \u0219i men\u021binerea consecven\u021bei procesului de fabrica\u021bie. Atunci c\u00e2nd este combinat cu un sistem de \u00eenalt\u0103 calitate <strong>Aparat de testare a rezisten\u021bei la rupere Elmendorf<\/strong>, metoda ofer\u0103 rezultate fiabile \u0219i repetabile, care contribuie la men\u021binerea performan\u021belor materialelor textile pe toat\u0103 durata ciclului de via\u021b\u0103 al produsului.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[3],"class_list":["post-983","standard","type-standard","status-publish","hentry","standard-category-iso"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teartester.com\/ro\/wp-json\/wp\/v2\/standard\/983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/ro\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.teartester.com\/ro\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/ro\/wp-json\/wp\/v2\/media?parent=983"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.teartester.com\/ro\/wp-json\/wp\/v2\/standard-category?post=983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}