{"id":1310,"date":"2025-08-01T08:20:40","date_gmt":"2025-08-01T08:20:40","guid":{"rendered":"https:\/\/www.elmendorftear.com\/?p=1310"},"modified":"2025-08-01T08:20:40","modified_gmt":"2025-08-01T08:20:40","slug":"elmendorf-tear-tester","status":"publish","type":"post","link":"https:\/\/www.elmendorftear.com\/sk\/elmendorf-tear-tester\/","title":{"rendered":"Tester slz Elmendorf"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u00davod<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>Pr\u00edstroj na sk\u00fa\u0161anie odolnosti proti roztrhnutiu Elmendorf<\/strong> je \u0161iroko pou\u017e\u00edvan\u00fd pr\u00edstroj na hodnotenie odolnosti materi\u00e1lu proti roztrhnutiu \u2013 k\u013e\u00fa\u010dovej mechanickej vlastnosti pri flexibiln\u00fdch obaloch, papieri, f\u00f3li\u00e1ch a text\u00edli\u00e1ch. Tento test, pomenovan\u00fd po Arminovi Elmendorfovi, ktor\u00fd na za\u010diatku 20. storo\u010dia \u0161tandardizoval met\u00f3du trhania s pou\u017eit\u00edm kyvadla, meria silu potrebn\u00fa na roz\u0161\u00edrenie trhlinky cez vopred narezan\u00fa vzorku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Odolnos\u0165 proti roztrhnutiu m\u00e1 k\u013e\u00fa\u010dov\u00fd v\u00fdznam pre ur\u010denie trvanlivosti a pou\u017eite\u013enosti obalov\u00fdch materi\u00e1lov, najm\u00e4 v re\u00e1lnych podmienkach, kde m\u00f4\u017eu z\u00e1rezy, prepichnutia alebo nam\u00e1hanie pri manipul\u00e1cii sp\u00f4sobi\u0165 po\u0161kodenie v d\u00f4sledku roztrhnutia. Ako d\u00f4veryhodn\u00fd poskytovate\u013e rie\u0161en\u00ed v oblasti <strong>zariadenia na testovanie obalov<\/strong>, <strong>Cell Instruments<\/strong> pon\u00faka <strong>SLD-01 Tester na trhanie<\/strong>, modern\u00fd pr\u00edstroj typu Elmendorf, vyvinut\u00fd tak, aby sp\u013a\u0148al po\u017eiadavky odborn\u00edkov v oblasti zabezpe\u010denia kvality.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Normy a sk\u00fa\u0161obn\u00e9 met\u00f3dy<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Preh\u013ead testu odolnosti proti roztrhnutiu pod\u013ea Elmendorfa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>Elmendorfov slzn\u00fd test<\/strong> vyjadruje mno\u017estvo energie potrebnej na pokra\u010dovanie trhliny vo vzorke po jej vzniku. Ide o dynamick\u00fa sk\u00fa\u0161obn\u00fa met\u00f3du, pri ktorej kyvadlo pretrhne vzorku s rezom a energia straten\u00e1 pri pohybe kyvadla priamo s\u00favis\u00ed s <strong>pevnos\u0165 pri roztrhnut\u00ed<\/strong> z tohto materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1to met\u00f3da sa riadi k\u013e\u00fa\u010dov\u00fdmi normami, medzi ktor\u00e9 patria predov\u0161etk\u00fdm <strong>ASTM D1922<\/strong>, ktor\u00e1 stanovuje postupy pre plastov\u00e9 f\u00f3lie a tenk\u00e9 plachty. Medzi \u010fal\u0161ie pr\u00edslu\u0161n\u00e9 normy patr\u00ed norma ISO 6383-1 pre f\u00f3lie a norma TAPPI T414 pre papier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>SLD-01 Elmendorf \u2013 pr\u00edstroj na sk\u00fa\u0161anie odolnosti proti roztrhnutiu<\/strong> podporuje v\u0161etky tieto met\u00f3dy testovania pomocou vstavan\u00fdch predvolieb a programovate\u013en\u00fdch nastaven\u00ed, ktor\u00e9 zaru\u010duj\u00fa flexibilitu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Meranie pevnosti v trhan\u00ed v r\u00f4znych odvetviach<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pevnos\u0165 v trhaniu<\/strong> meria schopnos\u0165 materi\u00e1lov odol\u00e1va\u0165 \u0161\u00edreniu trhl\u00edn pri za\u0165a\u017een\u00ed. Je to obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00e9 pri:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plastov\u00e9 f\u00f3lie<\/strong> (PE, PET, PP): Pou\u017e\u00edvaj\u00fa sa v oblasti flexibiln\u00fdch obalov, kde je odolnos\u0165 vo\u010di mechanick\u00e9mu po\u0161kodeniu k\u013e\u00fa\u010dov\u00e1.<\/li>\n\n\n\n<li><strong>Kompozitn\u00e9 f\u00f3lie a plachty<\/strong>: Pou\u017e\u00edva sa vo viacvrstvov\u00fdch obaloch na zdravotn\u00edcke v\u00fdrobky alebo potraviny, kde s\u00fa k\u013e\u00fa\u010dov\u00e9 ako bari\u00e9rov\u00e9, tak aj mechanick\u00e9 vlastnosti.<\/li>\n\n\n\n<li><strong>Papier a lepenka<\/strong>: Pre kart\u00f3nov\u00e9 obaly, vreck\u00e1, etikety a tla\u010den\u00e9 materi\u00e1ly, ktor\u00e9 musia zosta\u0165 po\u010das prepravy nepo\u0161koden\u00e9.<\/li>\n\n\n\n<li><strong>Text\u00edlie a netkan\u00e9 text\u00edlie<\/strong>: Pou\u017e\u00edva sa v medic\u00edne, pri v\u00fdrobe geotext\u00edli\u00ed a v odevnom priemysle, kde m\u00e1 roztrhnutie tkaniny vplyv na funk\u010dnos\u0165 a bezpe\u010dnos\u0165.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>Pr\u00edstroj na sk\u00fa\u0161anie odolnosti proti roztrhnutiu Elmendorf<\/strong> poskytuje konzistentn\u00e9 a vysoko presn\u00e9 \u00fadaje o odolnosti proti roztrhnutiu, ktor\u00e9 pom\u00e1haj\u00fa v\u00fdrobcom vybera\u0165 optim\u00e1lne materi\u00e1ly, upravova\u0165 zlo\u017eenie a sp\u013a\u0148a\u0165 v\u00fdkonnostn\u00e9 \u0161pecifik\u00e1cie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako funguje pr\u00edstroj na testovanie odolnosti proti roztrhnutiu SLD-01<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>SLD-01 Tester na trhanie<\/strong> napodob\u0148uje Elmendorfovu met\u00f3du s vyu\u017eit\u00edm modern\u00fdch automatiza\u010dn\u00fdch a riadiacich syst\u00e9mov. Tu je podrobn\u00fd popis jednotliv\u00fdch krokov:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Pr\u00edprava vzoriek<\/strong>: Presn\u00fd n\u00f4\u017e vytvor\u00ed \u0161tandardn\u00fd rez (zvy\u010dajne 43 mm od okraja) v s\u00falade s <strong>ASTM D1922<\/strong>.<\/li>\n\n\n\n<li><strong>Uvo\u013enenie kyvadla<\/strong>: Pneumaticky ovl\u00e1dan\u00e1 z\u00e1padka uvo\u013en\u00ed kyvadlo, ktor\u00e9 prelet\u00ed cez vzorku a sp\u00f4sob\u00ed \u0161\u00edrenie trhliny.<\/li>\n\n\n\n<li><strong>Meranie energetick\u00fdch str\u00e1t<\/strong>: Syst\u00e9m zaznamen\u00e1va stratu potenci\u00e1lnej energie sp\u00f4soben\u00fa odtrhovou silou a prev\u00e1dza ju na hodnotu odolnosti proti odtrhnutiu (v gramoch-sile alebo mN).<\/li>\n\n\n\n<li><strong>V\u00fdpo\u010det v\u00fdsledku<\/strong>: Syst\u00e9m automaticky vypo\u010d\u00edta priemer z viacer\u00fdch testovac\u00edch cyklov, \u010d\u00edm zabezpe\u010duje presn\u00e9 a \u0161tandardizovan\u00e9 v\u00fdsledky.<\/li>\n<\/ol>\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<iframe title=\"Ako pripravi\u0165 vzorky na Elmendorfovu sk\u00fa\u0161ku odolnosti proti roztrhnutiu BEZ pou\u017eitia \u0161peci\u00e1lneho reza\u010da\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/K_O27Hoo3Vw?list=PLsDmI6vEjk0UMs2EzUCVXhCR4iT8Y1YHI\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Technick\u00e9 v\u00fdhody modelu SLD-01<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tento pr\u00edstroj, navrhnut\u00fd s d\u00f4razom na presnos\u0165, opakovate\u013enos\u0165 a jednoduchos\u0165 pou\u017e\u00edvania,<a href=\"https:\/\/www.elmendorftear.com\/sk\/\" target=\"_blank\" rel=\"noreferrer noopener\"> <strong>SLD-01<\/strong><\/a> pon\u00faka pokro\u010dil\u00e9 funkcie, ktor\u00e9 manu\u00e1lne zariadenia na sk\u00fa\u0161anie odolnosti proti roztrhnutiu nemaj\u00fa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PLC priemyselnej triedy + dotykov\u00e9 rozhranie HMI<\/strong>: Preh\u013eadn\u00e9 a intuit\u00edvne rozhranie s vizu\u00e1lnou sp\u00e4tnou v\u00e4zbou<\/li>\n\n\n\n<li><strong>Pneumatick\u00e9 up\u00ednanie<\/strong>: Jednotn\u00e9 a konzistentn\u00e9 uchov\u00e1vanie vzoriek<\/li>\n\n\n\n<li><strong>Automatick\u00e9 uvo\u013enenie kyvadla<\/strong>: Eliminuje \u013eudsk\u00fa variabilitu<\/li>\n\n\n\n<li><strong>\u0160irok\u00fd rozsah p\u00f4sobenia sily<\/strong>: Nosnos\u0165 kyvadla od 200 gf do 6400 gf<\/li>\n\n\n\n<li><strong>Automatick\u00fd v\u00fdpo\u010det \u00fadajov<\/strong>: Priemern\u00e9, maxim\u00e1lne a minim\u00e1lne hodnoty s automatick\u00fdm vypracovan\u00edm \u0161tatistick\u00fdch spr\u00e1v<\/li>\n\n\n\n<li><strong>Mikrotla\u010diare\u0148 a RS232 <\/strong>: Pre plynul\u00fa sledovate\u013enos\u0165 \u00fadajov<\/li>\n\n\n\n<li><strong>Jednotky \u0161pecifick\u00e9 pre papier<\/strong>: Volite\u013en\u00fd v\u00fdstup indexu odolnosti proti roztrhnutiu pre laborat\u00f3ri\u00e1 zaoberaj\u00face sa testovan\u00edm papiera<\/li>\n\n\n\n<li><strong>Software Integration<\/strong>: Optional PC software for data logging, analysis, and export<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These features make the SLD-01 a reliable tool for laboratories that must meet strict material quality control and compliance requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Best Practices for Performing an Elmendorf Test<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">To achieve consistent and accurate <strong>pevnos\u0165 pri roztrhnut\u00ed<\/strong> results, follow these testing best practices:<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<ul class=\"wp-block-list\">\n<li><strong>Precondition your samples<\/strong> (usually 23\u00b0C, 50% RH) per standard protocol<\/li>\n\n\n\n<li><strong>Use the correct slit length and specimen dimensions<\/strong><\/li>\n\n\n\n<li><strong>Choose the appropriate pendulum range<\/strong> based on material type<\/li>\n\n\n\n<li><strong>Test multiple samples<\/strong> (typically 10+) to ensure statistical significance<\/li>\n\n\n\n<li><strong>Recalibrate regularly<\/strong> using the included calibration weight<\/li>\n\n\n\n<li><strong>Use pneumatic clamps<\/strong> to eliminate gripping variability<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.elmendorftear.com\/wp-content\/uploads\/2025\/08\/tear-tester-1_11zon-1024x1024.webp\" alt=\"elmendorf tear tester\" class=\"wp-image-1311\" style=\"width:312px;height:auto\" srcset=\"https:\/\/www.elmendorftear.com\/wp-content\/uploads\/2025\/08\/tear-tester-1_11zon-1024x1024.webp 1024w, https:\/\/www.elmendorftear.com\/wp-content\/uploads\/2025\/08\/tear-tester-1_11zon-300x300.webp 300w, https:\/\/www.elmendorftear.com\/wp-content\/uploads\/2025\/08\/tear-tester-1_11zon-150x150.webp 150w, https:\/\/www.elmendorftear.com\/wp-content\/uploads\/2025\/08\/tear-tester-1_11zon-768x768.webp 768w, https:\/\/www.elmendorftear.com\/wp-content\/uploads\/2025\/08\/tear-tester-1_11zon-1536x1536.webp 1536w, https:\/\/www.elmendorftear.com\/wp-content\/uploads\/2025\/08\/tear-tester-1_11zon.webp 1840w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>SLD-01 <\/strong> simplifies these requirements with built-in presets and programmable control options.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1ver<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>Pr\u00edstroj na sk\u00fa\u0161anie odolnosti proti roztrhnutiu Elmendorf<\/strong> remains a fundamental instrument for assessing tear resistance in flexible films, papers, and textiles. As industries demand higher standards for packaging durability and regulatory compliance, accurate <strong>elmendorfov slzn\u00fd test<\/strong> data becomes even more essential.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Backed by standards like <strong>ASTM D1922<\/strong>, and built for real-world reliability, <strong>\u2019Cell Instruments\u201c <a href=\"https:\/\/www.celtec.cn\/productinfo\/1973783.html\" target=\"_blank\" rel=\"noreferrer noopener\">SLD-01 Tester na trhanie<\/a><\/strong> empowers professionals to conduct high-throughput, precision tear strength testing with confidence.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction The Elmendorf tear tester is a widely used instrument for evaluating a material\u2019s resistance to tearing\u2014a key mechanical property in flexible packaging, paper, films, and textiles. Named after Armin Elmendorf, who standardized the pendulum-based tear method in the early 20th century, this test measures the force required to propagate a tear through a pre-cut [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1310","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/posts\/1310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/comments?post=1310"}],"version-history":[{"count":1,"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/posts\/1310\/revisions"}],"predecessor-version":[{"id":1313,"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/posts\/1310\/revisions\/1313"}],"wp:attachment":[{"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/media?parent=1310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/categories?post=1310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.elmendorftear.com\/sk\/wp-json\/wp\/v2\/tags?post=1310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}