{"id":676,"date":"2026-02-27T06:35:51","date_gmt":"2026-02-27T06:35:51","guid":{"rendered":"https:\/\/www.teartester.com\/?post_type=product&p=676"},"modified":"2026-02-27T06:59:52","modified_gmt":"2026-02-27T06:59:52","slug":"tear-tester","status":"publish","type":"product","link":"https:\/\/www.teartester.com\/cs\/product\/tear-tester\/","title":{"rendered":"Tester slz"},"content":{"rendered":"

Trhac\u00ed zkou\u0161e\u010dka<\/strong> hraje z\u00e1sadn\u00ed roli p\u0159i hodnocen\u00ed chov\u00e1n\u00ed materi\u00e1l\u016f p\u0159i p\u016fsoben\u00ed \u0161\u00ed\u0159\u00edc\u00ed se trhliny. U obal\u016f, zdravotnick\u00fdch prost\u0159edk\u016f, textili\u00ed a pr\u016fmyslov\u00fdch f\u00f3li\u00ed m\u00e1 trhavost p\u0159\u00edm\u00fd vliv na integritu v\u00fdrobku, bezpe\u010dnost spot\u0159ebitele a dodr\u017eov\u00e1n\u00ed pr\u00e1vn\u00edch p\u0159edpis\u016f. Spole\u010dnost Cell Instruments navrhuje pokro\u010dil\u00e1 \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed trh\u00e1n\u00ed, kter\u00e1 kombinuj\u00ed mechanickou p\u0159esnost, digit\u00e1ln\u00ed \u0159\u00edzen\u00ed a kompatibilitu s mezin\u00e1rodn\u00edmi normami a poskytuj\u00ed spolehliv\u00e9 \u00fadaje o pevnosti v trh\u00e1n\u00ed pro laborato\u0159e kontroly kvality a odd\u011blen\u00ed v\u00fdzkumu a v\u00fdvoje.<\/p>\n\n\n\n

Na rozd\u00edl od prost\u00e9ho m\u011b\u0159en\u00ed v tahu se anal\u00fdza trh\u00e1n\u00ed zam\u011b\u0159uje na iniciace a \u0161\u00ed\u0159en\u00ed trhlin<\/strong>, co\u017e poskytuje hlub\u0161\u00ed vhled do trvanlivosti materi\u00e1lu. A\u0165 u\u017e pot\u0159ebujete vyhodnotit flexibiln\u00ed obalovou f\u00f3lii, potahovanou lepenku, pry\u017eov\u00e9 desky nebo tkaninu, spr\u00e1vn\u011b nakonfigurovan\u00fd tester na trh\u00e1n\u00ed zajist\u00ed opakovateln\u00e9 a norm\u00e1m vyhovuj\u00edc\u00ed v\u00fdsledky.<\/p>\n\n\n\n

Trhac\u00ed zkou\u0161e\u010dka pro spolehliv\u00e9 hodnocen\u00ed materi\u00e1lu<\/h2>\n\n\n\n

Tester na trh\u00e1n\u00ed kvantifikuje s\u00edlu pot\u0159ebnou k pokra\u010dov\u00e1n\u00ed trh\u00e1n\u00ed p\u0159ed\u0159ezan\u00e9ho vzorku za kontrolovan\u00fdch podm\u00ednek. Konstrukt\u00e9\u0159i \u010dasto vyu\u017e\u00edvaj\u00ed tyto \u00fadaje k p\u0159edpov\u011bdi selh\u00e1n\u00ed obalu, prasknut\u00ed t\u011bsn\u011bn\u00ed nebo po\u0161kozen\u00ed tkaniny p\u0159i manipulaci.<\/p>\n\n\n\n

Cell Instruments integruje:<\/p>\n\n\n\n

    \n
  • \u0158\u00edzen\u00ed pomoc\u00ed PLC se 7\u2033 dotykovou obrazovkou HMI<\/li>\n\n\n\n
  • P\u0159esn\u00fd kuli\u010dkov\u00fd vodic\u00ed \u0161roub pro stabiln\u00ed posun<\/li>\n\n\n\n
  • Nastaviteln\u00e1 rychlost v rozmez\u00ed 1-500 mm\/min<\/li>\n\n\n\n
  • P\u0159esnost a\u017e 0,5% v pln\u00e9m rozsahu stupnice<\/li>\n\n\n\n
  • P\u0159esnost posunu \u00b10,01 mm<\/li>\n\n\n\n
  • V\u00edce mo\u017enost\u00ed zat\u011b\u017eovac\u00edch bun\u011bk (50 N a\u017e 1 kN)<\/li>\n<\/ul>\n\n\n\n

    Tyto funkce umo\u017e\u0148uj\u00ed obsluze p\u0159esn\u011b nakonfigurovat trhac\u00ed zkou\u0161e\u010dku podle typu materi\u00e1lu a platn\u00e9 normy.<\/p>\n\n\n\n

    Trhac\u00ed zkou\u0161e\u010dka pro Graves\u016fv trhac\u00ed test<\/h2>\n\n\n\n

    Graves\u016fv trhac\u00ed test, definovan\u00fd v ASTM D624<\/strong>, hodnot\u00ed odolnost vulkanizovan\u00e9 pry\u017ee a elastomer\u016f proti roztr\u017een\u00ed pomoc\u00ed vysek\u00e1van\u00fdch vzork\u016f. Zkou\u0161e\u010dka trh\u00e1n\u00ed nakonfigurovan\u00e1 pro tuto metodu p\u016fsob\u00ed tahovou silou na na\u0159\u00edznut\u00fd vzorek a m\u011b\u0159\u00ed \u0161pi\u010dkovou s\u00edlu b\u011bhem \u0161\u00ed\u0159en\u00ed trh\u00e1n\u00ed.<\/p>\n\n\n\n

    Tato metoda pom\u00e1h\u00e1 v\u00fdrobc\u016fm t\u011bsn\u011bn\u00ed, ucp\u00e1vek a pru\u017en\u00fdch sou\u010d\u00e1st\u00ed stanovit odolnost proti r\u016fstu trhlin p\u0159i nam\u00e1h\u00e1n\u00ed. P\u0159esn\u00e9 nastaven\u00ed \u00fachytu a kontrola rychlosti v\u00fdznamn\u011b ovliv\u0148uj\u00ed opakovatelnost zkou\u0161ky.<\/p>\n\n\n\n

    Trhac\u00ed zkou\u0161e\u010dka pro trap\u00e9zovou trhac\u00ed zkou\u0161ku<\/h2>\n\n\n\n

    Trap\u00e9zov\u00fd trhac\u00ed test, na kter\u00fd se odkazuje v \u010dl\u00e1nku ASTM D4533<\/strong>, m\u011b\u0159\u00ed odolnost tkanin a netkan\u00fdch textili\u00ed proti roztr\u017een\u00ed. Geometrie vzorku vytv\u00e1\u0159\u00ed koncentraci nap\u011bt\u00ed, kter\u00e1 iniciuje \u0159\u00edzen\u00e9 trh\u00e1n\u00ed.<\/p>\n\n\n\n

    T\u00fdmy kontroly kvality v textiln\u00edm a geotextiln\u00edm pr\u016fmyslu se na tuto metodu spol\u00e9haj\u00ed p\u0159i porovn\u00e1v\u00e1n\u00ed trvanlivosti tkanin. Spr\u00e1vn\u011b kalibrovan\u00fd tester na trh\u00e1n\u00ed zaji\u0161\u0165uje stabiln\u00ed rychlost zat\u00ed\u017een\u00ed a konzistentn\u00ed dr\u00e1hu trh\u00e1n\u00ed.<\/p>\n\n\n\n

    Zkou\u0161ka trh\u00e1n\u00ed jazyka podle ISO a ASTM<\/h2>\n\n\n\n

    Test trh\u00e1n\u00ed jazyka, pokryt\u00fd ISO 13937-2<\/strong> a ASTM D2261<\/strong>, m\u011b\u0159\u00ed s\u00edlu pot\u0159ebnou k \u0161\u00ed\u0159en\u00ed \u0159ezu v textiln\u00edch materi\u00e1lech.<\/p>\n\n\n\n

    Tato metoda simuluje skute\u010dn\u00e9 podm\u00ednky trh\u00e1n\u00ed od\u011bv\u016f, pr\u016fmyslov\u00fdch tkanin a airbag\u016f. Oper\u00e1to\u0159i p\u0159iprav\u00ed obd\u00e9ln\u00edkov\u00fd vzorek se st\u0159edov\u00fdm \u0159ezem, upnou ob\u011b nohy a p\u016fsob\u00ed tahovou silou, dokud nedojde k roztr\u017een\u00ed. Zkou\u0161e\u010dka trh\u00e1n\u00ed zaznamen\u00e1v\u00e1 vrcholov\u00e9 a pr\u016fm\u011brn\u00e9 hodnoty s\u00edly, kter\u00e9 se uv\u00e1d\u011bj\u00ed do zpr\u00e1v.<\/p>\n\n\n\n

    Zkou\u0161ka trh\u00e1n\u00edm kalhot a zkou\u0161ka jednoduch\u00fdm trh\u00e1n\u00edm plastov\u00e9 f\u00f3lie<\/h2>\n\n\n\n

    Zkou\u0161ka trh\u00e1n\u00edm kalhot a zkou\u0161ka jednoduch\u00fdm trh\u00e1n\u00edm hodnot\u00ed pru\u017en\u00e9 plastov\u00e9 materi\u00e1ly a tenk\u00e9 desky. Normy jako nap\u0159. ISO 6383-1<\/strong> a ASTM D1938<\/strong> definovat geometrii vzorku a rychlost testov\u00e1n\u00ed.<\/p>\n\n\n\n

    Pro v\u00fdrobce flexibiln\u00edch obal\u016f m\u00e1 pevnost plastov\u00e9 f\u00f3lie v roztr\u017een\u00ed p\u0159\u00edm\u00fd vliv na otev\u00edratelnost a mechanickou odolnost. Vyv\u00e1\u017een\u00e1 odolnost proti roztr\u017een\u00ed zaji\u0161\u0165uje, \u017ee spot\u0159ebitel\u00e9 mohou obaly snadno otev\u0159\u00edt bez n\u00e1hodn\u00e9ho protr\u017een\u00ed b\u011bhem p\u0159epravy.<\/p>\n\n\n\n

    Zkou\u0161ka odolnosti pap\u00edru a lepenky proti roztr\u017een\u00ed<\/h2>\n\n\n\n

    Zkou\u0161ka odolnosti pap\u00edru proti roztr\u017een\u00ed ur\u010duje odolnost lepenky, vlnit\u00fdch materi\u00e1l\u016f a speci\u00e1ln\u00edch pap\u00edr\u016f proti roztr\u017een\u00ed. P\u0159esto\u017ee jsou b\u011b\u017en\u00e9 Elmendorfovy kyvadlov\u00e9 metody, konfigurace zkou\u0161e\u010dek trh\u00e1n\u00ed tahov\u00e9ho typu podporuj\u00ed specializovan\u00e9 metody a v\u00fdzkumn\u00e9 aplikace.<\/p>\n\n\n\n

    Normy jako nap\u0159. ASTM D1004<\/strong> a ASTM D5587<\/strong> d\u00e1le roz\u0161i\u0159uj\u00ed mo\u017enosti pou\u017eit\u00ed na filmy a povrstven\u00e9 substr\u00e1ty.<\/p>\n\n\n\n

    Obalov\u00fdm in\u017een\u00fdr\u016fm pom\u00e1h\u00e1 pochopen\u00ed vlastnost\u00ed p\u0159i trh\u00e1n\u00ed optimalizovat orientaci vl\u00e1ken, slo\u017een\u00ed povlaku a strukturu lamin\u00e1tu.<\/p>\n\n\n\n

    Zkou\u0161ka tkaniny a potahovan\u00fdch materi\u00e1l\u016f na roztr\u017een\u00ed<\/h2>\n\n\n\n

    Zkou\u0161ka na roztr\u017een\u00ed tkaniny se vztahuje tak\u00e9 na povrstven\u00e9 textilie a pr\u016fmyslov\u00e9 kompozity pod ASTM D751<\/strong>. Tyto materi\u00e1ly \u010dasto slou\u017e\u00ed jako nafukovac\u00ed konstrukce, plachty a ochrann\u00e9 kryty. Odolnost proti roztr\u017een\u00ed p\u0159\u00edmo ovliv\u0148uje \u017eivotnost a bezpe\u010dnostn\u00ed vlastnosti.<\/p>\n\n\n\n

    V\u0161estrann\u00fd tester na trh\u00e1n\u00ed s vym\u011bniteln\u00fdmi \u00fachyty umo\u017e\u0148uje rychlou v\u00fdm\u011bnu p\u0159\u00edpravk\u016f mezi re\u017eimy tahu, odlupov\u00e1n\u00ed a trh\u00e1n\u00ed, \u010d\u00edm\u017e zvy\u0161uje efektivitu laborato\u0159e.<\/p>\n\n\n\n

    Jak funguje tester slz<\/h2>\n\n\n\n

    Typick\u00fd proces testov\u00e1n\u00ed zahrnuje:<\/p>\n\n\n\n

      \n
    1. P\u0159\u00edprava vzork\u016f podle vybran\u00e9ho standardu<\/li>\n\n\n\n
    2. Zaveden\u00ed definovan\u00e9ho p\u0159ed\u0159ezu nebo z\u00e1\u0159ezu<\/li>\n\n\n\n
    3. Pevn\u00e9 upnut\u00ed vzorku<\/li>\n\n\n\n
    4. Nastaven\u00ed rychlosti testu a parametr\u016f sn\u00edma\u010de zat\u00ed\u017een\u00ed<\/li>\n\n\n\n
    5. Zah\u00e1jen\u00ed testu prost\u0159ednictv\u00edm dotykov\u00e9ho rozhran\u00ed<\/li>\n\n\n\n
    6. Z\u00e1znam maxim\u00e1ln\u00ed s\u00edly, pr\u016fm\u011brn\u00e9 s\u00edly a chov\u00e1n\u00ed p\u0159i \u0161\u00ed\u0159en\u00ed trhliny<\/li>\n<\/ol>\n\n\n\n

      Po dokon\u010den\u00ed se syst\u00e9m automaticky vr\u00e1t\u00ed do v\u00fdchoz\u00ed pozice. Obsluha m\u016f\u017ee exportovat v\u00fdsledky p\u0159es RS-232 nebo volitelnou mikrotisk\u00e1rnu pro dokumentaci.<\/p>\n\n\n\n

      V\u00fdsledn\u00e9 v\u00fdstupy obvykle zahrnuj\u00ed:<\/strong><\/p>\n\n\n\n

        \n
      • Maxim\u00e1ln\u00ed trhac\u00ed s\u00edla (N)<\/li>\n\n\n\n
      • S\u00edla \u0161\u00ed\u0159en\u00ed trhliny<\/li>\n\n\n\n
      • Prodlou\u017een\u00ed p\u0159i roztr\u017een\u00ed<\/li>\n\n\n\n
      • K\u0159ivka zat\u00ed\u017een\u00ed a posunut\u00ed<\/li>\n<\/ul>\n\n\n\n

        Tyto metriky podporuj\u00ed porovn\u00e1v\u00e1n\u00ed v\u00fdrobk\u016f, v\u00fdvoj materi\u00e1l\u016f a ov\u011b\u0159ov\u00e1n\u00ed shody.<\/p>\n\n\n\n

        Pro\u010d si vybrat Cell Instruments Tear Tester<\/h2>\n\n\n\n

        Cell Instruments kombinuje mechanickou stabilitu s digit\u00e1ln\u00ed inteligenc\u00ed:<\/p>\n\n\n\n

          \n
        • R\u00e1m pr\u016fmyslov\u00e9 t\u0159\u00eddy pro dlouhodobou spolehlivost<\/li>\n\n\n\n
        • Vestav\u011bn\u00e9 zku\u0161ebn\u00ed programy pro l\u00e1m\u00e1n\u00ed, prodlou\u017een\u00ed, odlupov\u00e1n\u00ed a trh\u00e1n\u00ed<\/li>\n\n\n\n
        • P\u0159izp\u016fsobiteln\u00fd zdvih a\u017e 800 mm<\/li>\n\n\n\n
        • P\u0159izp\u016fsobivost v\u00edce odv\u011btv\u00edm<\/li>\n<\/ul>\n\n\n\n

          N\u00e1\u0161 t\u00fdm in\u017een\u00fdr\u016f tak\u00e9 poskytuje p\u0159izp\u016fsoben\u00e9 p\u0159\u00edpravky a modernizace automatizace p\u0159izp\u016fsoben\u00e9 specializovan\u00fdm konfigurac\u00edm slzn\u00fdch test\u016f.<\/p>\n\n\n\n

          <\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false},"product-category":[37,40,41,42,43,44,45,47,31,49,50,35,33,32,34],"class_list":["post-676","product","type-product","status-publish","hentry","product-category-astm-d1004","product-category-astm-d1938","product-category-astm-d2261","product-category-astm-d4533","product-category-astm-d5587","product-category-astm-d5884","product-category-astm-d624","product-category-astm-d751","product-category-graves-tear-test","product-category-iso-13937-2","product-category-iso-13937-3","product-category-single-tear-test","product-category-tongue-tear-test","product-category-trapezoidal-tear-test","product-category-trouser-tear-test"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/product\/676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/media?parent=676"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/product-category?post=676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}