{"id":4417,"date":"2024-07-30T16:24:18","date_gmt":"2024-07-30T08:24:18","guid":{"rendered":"https:\/\/www.qualitester.com\/?p=4417"},"modified":"2024-07-30T16:24:18","modified_gmt":"2024-07-30T08:24:18","slug":"impact-resistance-falling-dart-impact-test","status":"publish","type":"post","link":"https:\/\/www.qualitester.com\/cs\/impact-resistance-falling-dart-impact-test\/","title":{"rendered":"Jak m\u011b\u0159it odolnost f\u00f3lie proti n\u00e1razu pomoc\u00ed n\u00e1razov\u00e9 zkou\u0161ky padaj\u00edc\u00ed \u0161ipkou: poznatky z normy ASTM D1709"},"content":{"rendered":"
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\u00davod<\/h2>\n

V oblasti testov\u00e1n\u00ed materi\u00e1l\u016f je posouzen\u00ed odolnosti f\u00f3lie proti n\u00e1razu z\u00e1sadn\u00ed pro ur\u010den\u00ed jej\u00ed trvanlivosti a vhodnosti pro r\u016fzn\u00e9 aplikace. Ve spole\u010dnosti Cell Instruments se specializujeme na poskytov\u00e1n\u00ed pokro\u010dil\u00fdch testovac\u00edch \u0159e\u0161en\u00ed.<\/span><\/em>, v\u010detn\u011b n\u00e1razov\u00e9ho testeru padaj\u00edc\u00edch \u0161ipek FDT-01, k zaji\u0161t\u011bn\u00ed kvality a spolehlivosti obalov\u00fdch materi\u00e1l\u016f. Tento \u010dl\u00e1nek se zab\u00fdv\u00e1 procesem m\u011b\u0159en\u00ed odolnosti f\u00f3lie proti n\u00e1razu pomoc\u00ed n\u00e1razov\u00e9 zkou\u0161ky padaj\u00edc\u00ed \u0161ipkou, p\u0159i\u010dem\u017e konkr\u00e9tn\u00ed poznatky z t\u00e9to zkou\u0161ky p\u0159in\u00e1\u0161\u00ed ASTM D1709<\/a> a ISO 7765-1<\/a> normy.<\/p>\n

\"<\/a><\/p>\n

Porozum\u011bn\u00ed n\u00e1razov\u00e9mu testu padaj\u00edc\u00ed \u0161ipky<\/h2>\n

Zkou\u0161ka n\u00e1razem padaj\u00edc\u00ed \u0161ipkou je \u0161iroce uzn\u00e1vanou metodou hodnocen\u00ed odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1razu. Tato zkou\u0161ka spo\u010d\u00edv\u00e1 v p\u00e1du \u0161ipky ze stanoven\u00e9 v\u00fd\u0161ky na vzorek f\u00f3lie a m\u011b\u0159en\u00ed energie pot\u0159ebn\u00e9 k jej\u00edmu po\u0161kozen\u00ed. V\u00fdsledky poskytuj\u00ed n\u011bkter\u00e9 d\u016fle\u017eit\u00e9 informace o schopnosti materi\u00e1lu odol\u00e1vat n\u00e1raz\u016fm, co\u017e je nezbytn\u00e9 pro kontrolu kvality a v\u00fdb\u011br materi\u00e1lu.<\/p>\n

Kl\u00ed\u010dov\u00e9 \u010d\u00e1sti n\u00e1razov\u00e9ho testu padaj\u00edc\u00ed \u0161ipky<\/h3>\n
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  1. Nastaven\u00ed testu<\/strong>: Vzorek filmu se pevn\u011b upne do p\u0159\u00edpravku a z ur\u010dit\u00e9 v\u00fd\u0161ky se spust\u00ed \u0161ipka se z\u00e1va\u017e\u00edm.<\/li>\n
  2. M\u011b\u0159en\u00ed energie<\/strong>: Zkou\u0161ka m\u011b\u0159\u00ed energii absorbovanou f\u00f3li\u00ed p\u0159ed jej\u00edm po\u0161kozen\u00edm a poskytuje kvantitativn\u00ed hodnocen\u00ed jej\u00ed odolnosti proti n\u00e1razu.<\/li>\n
  3. Zku\u0161ebn\u00ed metody<\/strong>: Norma ASTM D1709 specifikuje dv\u011b zku\u0161ebn\u00ed metody (A a B<\/strong>), li\u0161\u00edc\u00ed se v \u0161ipce. hmotnost a v\u00fd\u0161ka<\/strong>, aby se p\u0159izp\u016fsobily r\u016fzn\u00fdm typ\u016fm a tlou\u0161\u0165k\u00e1m f\u00f3li\u00ed.<\/li>\n<\/ol>\n

    Odolnost filmu proti n\u00e1razu: V\u00fdznam a aplikace<\/h2>\n

    Odolnost f\u00f3lie proti n\u00e1razu je kritick\u00fdm parametrem v mnoha pr\u016fmyslov\u00fdch odv\u011btv\u00edch, v\u010detn\u011b obal\u016f, zdravotnick\u00fdch prost\u0159edk\u016f a textili\u00ed. Vysok\u00e1 odolnost proti n\u00e1razu zaji\u0161\u0165uje, \u017ee f\u00f3lie vydr\u017e\u00ed manipulaci, p\u0159epravu a z\u00e1t\u011b\u017e prost\u0159ed\u00ed, ani\u017e by byla naru\u0161ena jej\u00ed integrita.<\/p>\n