{"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\/sk\/product\/tear-tester\/","title":{"rendered":"Tester na slzy"},"content":{"rendered":"

Trhac\u00ed tester<\/strong> zohr\u00e1va rozhoduj\u00facu \u00falohu pri hodnoten\u00ed spr\u00e1vania sa materi\u00e1lov, ke\u010f s\u00fa vystaven\u00e9 \u0161\u00edriacej sa trhline. V pr\u00edpade obalov, zdravotn\u00edckych pom\u00f4cok, text\u00edli\u00ed a priemyseln\u00fdch f\u00f3li\u00ed m\u00e1 trhavos\u0165 priamy vplyv na integritu v\u00fdrobku, bezpe\u010dnos\u0165 spotrebite\u013ea a dodr\u017eiavanie pr\u00e1vnych predpisov. Spolo\u010dnos\u0165 Cell Instruments navrhuje pokro\u010dil\u00e9 rie\u0161enia na testovanie roztrhnutia, ktor\u00e9 kombinuj\u00fa mechanick\u00fa presnos\u0165, digit\u00e1lne riadenie a kompatibilitu s medzin\u00e1rodn\u00fdmi normami, aby poskytli spo\u013eahliv\u00e9 \u00fadaje o pevnosti v roztrhnut\u00ed pre laborat\u00f3ri\u00e1 kontroly kvality a oddelenia v\u00fdskumu a v\u00fdvoja.<\/p>\n\n\n\n

Na rozdiel od jednoduch\u00e9ho merania v \u0165ahu sa anal\u00fdza roztrhnutia zameriava na vznik a \u0161\u00edrenie trhl\u00edn<\/strong>, \u010do poskytuje hlb\u0161\u00ed poh\u013ead na trvanlivos\u0165 materi\u00e1lu. \u010ci u\u017e potrebujete vyhodnoti\u0165 flexibiln\u00fa obalov\u00fa f\u00f3liu, natieran\u00fd kart\u00f3n, gumen\u00e9 f\u00f3lie alebo tkan\u00fa text\u00edliu, spr\u00e1vne nakonfigurovan\u00fd tester na roztrhnutie zaru\u010duje opakovate\u013en\u00e9 v\u00fdsledky v s\u00falade s normami.<\/p>\n\n\n\n

Trhac\u00ed tester na spo\u013eahliv\u00e9 hodnotenie materi\u00e1lov<\/h2>\n\n\n\n

Tester na trhanie kvantifikuje silu potrebn\u00fa na pokra\u010dovanie trhania predrezanej vzorky v kontrolovan\u00fdch podmienkach. In\u017einieri \u010dasto pou\u017e\u00edvaj\u00fa tieto \u00fadaje na predpovedanie zlyhania obalu, prasknutia tesnenia alebo po\u0161kodenia tkaniny po\u010das manipul\u00e1cie.<\/p>\n\n\n\n

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

    \n
  • Riadenie pomocou PLC so 7\u2033 dotykovou obrazovkou HMI<\/li>\n\n\n\n
  • Presn\u00e1 gu\u013e\u00f4\u010dkov\u00e1 vodiaca skrutka pre stabiln\u00fd posun<\/li>\n\n\n\n
  • Nastavite\u013en\u00e1 r\u00fdchlos\u0165 od 1-500 mm\/min<\/li>\n\n\n\n
  • Presnos\u0165 do 0,5% v celom rozsahu<\/li>\n\n\n\n
  • Presnos\u0165 posunu \u00b10,01 mm<\/li>\n\n\n\n
  • Viacero mo\u017enost\u00ed sn\u00edma\u010dov za\u0165a\u017eenia (50 N a\u017e 1 kN)<\/li>\n<\/ul>\n\n\n\n

    Tieto funkcie umo\u017e\u0148uj\u00fa oper\u00e1torom presne konfigurova\u0165 tester na trhanie pod\u013ea typu materi\u00e1lu a platnej normy.<\/p>\n\n\n\n

    Trhac\u00ed test pre Gravesov trhac\u00ed test<\/h2>\n\n\n\n

    Gravesov trhac\u00ed test, definovan\u00fd v ASTM D624<\/strong>, hodnot\u00ed odolnos\u0165 vulkanizovanej gumy a elastom\u00e9rov proti roztrhnutiu pomocou vysek\u00e1van\u00fdch vzoriek. Tester na trhanie nakonfigurovan\u00fd na t\u00fato met\u00f3du p\u00f4sob\u00ed \u0165ahovou silou na narezan\u00fa vzorku a meria \u0161pi\u010dkov\u00fa silu po\u010das \u0161\u00edrenia trhliny.<\/p>\n\n\n\n

    T\u00e1to met\u00f3da pom\u00e1ha v\u00fdrobcom tesnen\u00ed, tesnen\u00ed a pru\u017en\u00fdch komponentov ur\u010di\u0165 odolnos\u0165 vo\u010di rastu trhl\u00edn pri nam\u00e1han\u00ed. Presn\u00e9 nastavenie uchopenia a regul\u00e1cia r\u00fdchlosti v\u00fdrazne ovplyv\u0148uj\u00fa opakovate\u013enos\u0165 testu.<\/p>\n\n\n\n

    Tester na trhanie pre trap\u00e9zov\u00fd test trhania<\/h2>\n\n\n\n

    Trap\u00e9zov\u00fd trhac\u00ed test, na ktor\u00fd sa odkazuje v ASTM D4533<\/strong>, meria odolnos\u0165 tkan\u00edn a netkan\u00fdch text\u00edli\u00ed proti roztrhnutiu. Geometria vzorky vytv\u00e1ra koncentr\u00e1ciu nap\u00e4tia, ktor\u00e1 iniciuje riaden\u00e9 trhanie.<\/p>\n\n\n\n

    T\u00edmy kontroly kvality v textilnom a geotextilnom priemysle sa spoliehaj\u00fa na t\u00fato met\u00f3du pri porovn\u00e1van\u00ed trvanlivosti tkan\u00edn. Spr\u00e1vne kalibrovan\u00fd tester na roztrhnutie zabezpe\u010duje stabiln\u00fa mieru za\u0165a\u017eenia a konzistentn\u00fd priebeh roztrhnutia.<\/p>\n\n\n\n

    Sk\u00fa\u0161ka trhania jazyka pod\u013ea noriem ISO a ASTM<\/h2>\n\n\n\n

    Test trhania jazyka, pokryt\u00fd ISO 13937-2<\/strong> a ASTM D2261<\/strong>, meria silu potrebn\u00fa na \u0161\u00edrenie rezu v textiln\u00fdch materi\u00e1loch.<\/p>\n\n\n\n

    T\u00e1to met\u00f3da simuluje skuto\u010dn\u00e9 podmienky trhania odevov, priemyseln\u00fdch tkan\u00edn a airbagov. Oper\u00e1tori pripravia obd\u013a\u017enikov\u00fa vzorku so stredov\u00fdm rezom, zovr\u00fa obe nohy a p\u00f4sobia \u0165ahovou silou, k\u00fdm sa roztrhnutie neposunie. Tester na roztrhnutie zaznamen\u00e1va vrcholov\u00e9 a priemern\u00e9 hodnoty sily na \u00fa\u010dely pod\u00e1vania spr\u00e1v.<\/p>\n\n\n\n

    Sk\u00fa\u0161ka roztrhnutia nohav\u00edc a sk\u00fa\u0161ka roztrhnutia jednej nohavice pre plastov\u00fa f\u00f3liu<\/h2>\n\n\n\n

    Sk\u00fa\u0161ka roztrhnutia nohav\u00edc a sk\u00fa\u0161ka roztrhnutia jednej nohavice hodnot\u00ed pru\u017en\u00e9 plastov\u00e9 materi\u00e1ly a tenk\u00e9 f\u00f3lie. Normy ako napr. ISO 6383-1<\/strong> a ASTM D1938<\/strong> definova\u0165 geometriu vzorky a r\u00fdchlos\u0165 testovania.<\/p>\n\n\n\n

    Pre v\u00fdrobcov flexibiln\u00fdch obalov m\u00e1 pevnos\u0165 plastovej f\u00f3lie v roztrhnut\u00ed priamy vplyv na otv\u00e1rate\u013enos\u0165 a mechanick\u00fa odolnos\u0165. Vyv\u00e1\u017een\u00e1 odolnos\u0165 proti roztrhnutiu zabezpe\u010duje, \u017ee spotrebitelia m\u00f4\u017eu obaly \u013eahko otvori\u0165 bez n\u00e1hodn\u00e9ho roztrhnutia po\u010das prepravy.<\/p>\n\n\n\n

    Sk\u00fa\u0161ka odolnosti papiera a lepenky proti roztrhnutiu<\/h2>\n\n\n\n

    Sk\u00fa\u0161ka odolnosti papiera proti roztrhnutiu ur\u010duje, ako lepenka, vlnit\u00e9 materi\u00e1ly a \u0161peci\u00e1lne papiere odol\u00e1vaj\u00fa \u0161\u00edreniu roztrhnutia. Hoci s\u00fa Elmendorfove kyvadlov\u00e9 met\u00f3dy be\u017en\u00e9, konfigur\u00e1cie testerov na roztrhnutie podporuj\u00fa \u0161pecializovan\u00e9 met\u00f3dy a v\u00fdskumn\u00e9 aplik\u00e1cie.<\/p>\n\n\n\n

    Normy ako napr. ASTM D1004<\/strong> a ASTM D5587<\/strong> \u010fal\u0161ie roz\u0161\u00edrenie pou\u017eite\u013enosti na filmy a potiahnut\u00e9 substr\u00e1ty.<\/p>\n\n\n\n

    Obalov\u00fdm in\u017einierom pom\u00e1ha pochopenie trhac\u00edch vlastnost\u00ed optimalizova\u0165 orient\u00e1ciu vl\u00e1kien, zlo\u017eenie povlaku a \u0161trukt\u00faru lamin\u00e1tu.<\/p>\n\n\n\n

    Sk\u00fa\u0161ka na roztrhnutie tkaniny a materi\u00e1lov s povrchovou \u00fapravou<\/h2>\n\n\n\n

    Sk\u00fa\u0161ka na roztrhnutie tkaniny sa vz\u0165ahuje aj na potiahnut\u00e9 text\u00edlie a priemyseln\u00e9 kompozity pod ASTM D751<\/strong>. Tieto materi\u00e1ly \u010dasto sl\u00fa\u017eia ako nafukovacie kon\u0161trukcie, plachty a ochrann\u00e9 kryty. Odolnos\u0165 proti roztrhnutiu priamo ovplyv\u0148uje \u017eivotnos\u0165 a bezpe\u010dnostn\u00e9 vlastnosti.<\/p>\n\n\n\n

    V\u0161estrann\u00fd tester na trhanie s vymenite\u013en\u00fdmi \u00fachytmi podporuje r\u00fdchlu zmenu pr\u00edpravkov medzi re\u017eimami \u0165ahu, odlupovania a trhania, \u010d\u00edm sa zvy\u0161uje efektivita laborat\u00f3ria.<\/p>\n\n\n\n

    Ako funguje tester na slzy<\/h2>\n\n\n\n

    Typick\u00fd proces testovania zah\u0155\u0148a:<\/p>\n\n\n\n

      \n
    1. Pr\u00edprava vzoriek pod\u013ea vybranej normy<\/li>\n\n\n\n
    2. Zavedenie definovan\u00e9ho predrezu alebo z\u00e1rezu<\/li>\n\n\n\n
    3. Bezpe\u010dn\u00e9 upnutie vzorky<\/li>\n\n\n\n
    4. Nastavenie r\u00fdchlosti testu a parametrov sn\u00edma\u010da za\u0165a\u017eenia<\/li>\n\n\n\n
    5. Spustenie testu prostredn\u00edctvom rozhrania dotykovej obrazovky<\/li>\n\n\n\n
    6. Zaznamen\u00e1vanie maxim\u00e1lnej sily, priemernej sily a spr\u00e1vania sa pri \u0161\u00edren\u00ed trhliny<\/li>\n<\/ol>\n\n\n\n

      Po dokon\u010den\u00ed sa syst\u00e9m automaticky vr\u00e1ti do v\u00fdchodiskovej polohy. Oper\u00e1tori m\u00f4\u017eu exportova\u0165 v\u00fdsledky prostredn\u00edctvom RS-232 alebo volite\u013enej mikrotla\u010diarne na dokument\u00e1ciu.<\/p>\n\n\n\n

      V\u00fdsledn\u00e9 v\u00fdstupy zvy\u010dajne zah\u0155\u0148aj\u00fa:<\/strong><\/p>\n\n\n\n

        \n
      • Maxim\u00e1lna trhacia sila (N)<\/li>\n\n\n\n
      • Sila \u0161\u00edrenia trhliny<\/li>\n\n\n\n
      • Pred\u013a\u017eenie pri roztrhnut\u00ed<\/li>\n\n\n\n
      • Krivka za\u0165a\u017eenia a posunutia<\/li>\n<\/ul>\n\n\n\n

        Tieto metriky podporuj\u00fa porovn\u00e1vanie v\u00fdrobkov, v\u00fdvoj materi\u00e1lov a overovanie zhody.<\/p>\n\n\n\n

        Pre\u010do si vybra\u0165 Cell Instruments Tear Tester<\/h2>\n\n\n\n

        Cell Instruments kombinuje mechanick\u00fa stabilitu s digit\u00e1lnou inteligenciou:<\/p>\n\n\n\n

          \n
        • R\u00e1m priemyselnej triedy pre dlhodob\u00fa spo\u013eahlivos\u0165<\/li>\n\n\n\n
        • Zabudovan\u00e9 testovacie programy na l\u00e1manie, pred\u013a\u017eenie, odlupovanie a trhanie<\/li>\n\n\n\n
        • Prisp\u00f4sobite\u013en\u00fd zdvih a\u017e do 800 mm<\/li>\n\n\n\n
        • Prisp\u00f4sobivos\u0165 viacer\u00fdm odvetviam<\/li>\n<\/ul>\n\n\n\n

          N\u00e1\u0161 technick\u00fd t\u00edm poskytuje aj prisp\u00f4soben\u00e9 pr\u00edpravky a automatiz\u00e1ciu prisp\u00f4soben\u00fa \u0161pecializovan\u00fdm konfigur\u00e1ci\u00e1m testov trhania.<\/p>\n\n\n\n

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