{"id":1492,"date":"2026-07-21T09:11:37","date_gmt":"2026-07-21T09:11:37","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=product&#038;p=1492"},"modified":"2026-07-21T09:11:38","modified_gmt":"2026-07-21T09:11:38","slug":"pendulum-impact-tester","status":"publish","type":"product","link":"https:\/\/www.packtests.com\/sk\/product\/pendulum-impact-tester\/","title":{"rendered":"PIT-01 Pr\u00edstroj na sk\u00fa\u0161anie n\u00e1razu kyvadlom"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Plastov\u00e9 f\u00f3lie sa \u0161iroko vyu\u017e\u00edvaj\u00fa pri balen\u00ed potrav\u00edn, v oblasti zdravotn\u00edctva, vo farmaceutickom priemysle, pri priemyselnom balen\u00ed a v spotrebnom tovare. Po\u010das v\u00fdroby, prepravy a ka\u017edodenn\u00e9ho pou\u017e\u00edvania m\u00f4\u017eu by\u0165 f\u00f3lie vystaven\u00e9 n\u00e1hlym n\u00e1razov\u00fdm sil\u00e1m, ktor\u00e9 m\u00f4\u017eu sp\u00f4sobi\u0165 prepichnutie, roztrhnutie alebo po\u0161kodenie. Tieto <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong> poskytuje \u00fa\u010dinn\u00e9 rie\u0161enie na hodnotenie odolnosti proti n\u00e1razom a mechanickej trvanlivosti pru\u017en\u00fdch plastov\u00fdch f\u00f3li\u00ed v kontrolovan\u00fdch laborat\u00f3rnych podmienkach.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Simul\u00e1ciou n\u00e1razov\u00fdch s\u00edl p\u00f4sobiacich na vzorky plastovej f\u00f3lie sa <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong> pom\u00e1ha in\u017einierom porozumie\u0165 h\u00fa\u017eevnatosti materi\u00e1lov, optimalizova\u0165 \u0161trukt\u00fary f\u00f3li\u00ed, porovn\u00e1va\u0165 suroviny a zabezpe\u010di\u0165 spo\u013eahlivos\u0165 obalov. Vych\u00e1dza z osved\u010den\u00fdch met\u00f3d, ako s\u00fa napr\u00edklad <strong>Spencerova met\u00f3da n\u00e1razu<\/strong>, <strong>ASTM D3420<\/strong>, a <strong>NF T54-116<\/strong>, tento pr\u00edstup k testovaniu poskytuje cenn\u00e9 \u00fadaje pre kontrolu kvality a v\u00fdvoj v\u00fdrobkov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pre v\u00fdrobcov polyetyl\u00e9nu (PE), polypropyl\u00e9nu (PP), polyesteru (PET), laminovan\u00fdch f\u00f3li\u00ed a in\u00fdch flexibiln\u00fdch obalov\u00fdch materi\u00e1lov predstavuj\u00fa r\u00e1zov\u00e9 sk\u00fa\u0161ky d\u00f4le\u017eit\u00fa s\u00fa\u010das\u0165 posudzovania toho, \u010di f\u00f3lia vydr\u017e\u00ed skuto\u010dn\u00e9 podmienky manipul\u00e1cie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010co je to zariadenie na sk\u00fa\u0161anie n\u00e1razovej odolnosti plastov\u00fdch f\u00f3li\u00ed pomocou kyvadla?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong> je laborat\u00f3rny pr\u00edstroj ur\u010den\u00fd na meranie energie potrebnej na zlomenie alebo prerazenie vzorky plastovej f\u00f3lie pri p\u00f4soben\u00ed n\u00e1razovej sily z kyvadla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na rozdiel od statick\u00fdch sk\u00fa\u0161ok \u0165ahom alebo trhlinou sa pri r\u00e1zov\u00fdch sk\u00fa\u0161kach hodnot\u00ed schopnos\u0165 materi\u00e1lu absorbova\u0165 n\u00e1hle p\u00f4sobiacu energiu. T\u00e1to vlastnos\u0165 je obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00e1, preto\u017ee k mnoh\u00fdm poruch\u00e1m obalov doch\u00e1dza n\u00e1hle, a nie pri pomaly narastaj\u00facom za\u0165a\u017een\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tester sa zvy\u010dajne sklad\u00e1 z:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mechanizmus n\u00e1razu kyvadla<\/li>\n\n\n\n<li>Upev\u0148ovacie zariadenie na vzorky<\/li>\n\n\n\n<li>\u00daderov\u00e1 hlava alebo \u00fadern\u00edk<\/li>\n\n\n\n<li>Syst\u00e9m merania energie<\/li>\n\n\n\n<li>Presn\u00fd uvo\u013e\u0148ovac\u00ed mechanizmus<\/li>\n\n\n\n<li>Syst\u00e9m na zaznamen\u00e1vanie a anal\u00fdzu \u00fadajov<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u010das sk\u00fa\u0161ania sa vzorka f\u00f3lie pevne upevn\u00ed medzi svorkami. Kyvadlo sa uvo\u013en\u00ed z kontrolovanej v\u00fd\u0161ky a dopadne na vzorku. Pr\u00edstroj meria energiu, ktor\u00fa f\u00f3lia absorbuje, a\u017e k\u00fdm ned\u00f4jde k jej poru\u0161eniu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Z\u00edskan\u00e1 hodnota n\u00e1razovej energie odr\u00e1\u017ea h\u00fa\u017eevnatos\u0165 materi\u00e1lu a jeho odolnos\u0165 vo\u010di n\u00e1hlemu po\u0161kodeniu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/ASTM-D3420-PIT-01.webp\" alt=\"Pr\u00edstroj na sk\u00fa\u0161anie n\u00e1razu kyvadlom pod\u013ea normy ASTM D3420\" class=\"wp-image-1496\" style=\"width:272px;height:auto\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/ASTM-D3420-PIT-01.webp 600w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/ASTM-D3420-PIT-01-300x300.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/ASTM-D3420-PIT-01-150x150.webp 150w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/ASTM-D3420-PIT-01-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pre\u010do je odolnos\u0165 plastovej f\u00f3lie vo\u010di n\u00e1razom d\u00f4le\u017eit\u00e1?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>odolnos\u0165 plastovej f\u00f3lie proti n\u00e1razom<\/strong> priamo ovplyv\u0148uje bezpe\u010dnos\u0165 obalov, ochranu v\u00fdrobkov a spokojnos\u0165 z\u00e1kazn\u00edkov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plastov\u00e9 f\u00f3lie m\u00f4\u017eu by\u0165 vystaven\u00e9 n\u00e1razom po\u010das:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oper\u00e1cie plnenia a uzatv\u00e1rania<\/li>\n\n\n\n<li>Vibr\u00e1cie sp\u00f4soben\u00e9 dopravou<\/li>\n\n\n\n<li>Vypadnutie po\u010das manipul\u00e1cie<\/li>\n\n\n\n<li>Skladovanie<\/li>\n\n\n\n<li>Vyu\u017eitie zo strany spotrebite\u013eov<\/li>\n\n\n\n<li>Automatick\u00e9 baliace procesy<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f3lia s nedostato\u010dnou odolnos\u0165ou proti n\u00e1razom m\u00f4\u017ee sp\u00f4sobi\u0165:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00danik obsahu balenia<\/li>\n\n\n\n<li>Kontamin\u00e1cia v\u00fdrobku<\/li>\n\n\n\n<li>Skr\u00e1ten\u00e1 trvanlivos\u0165<\/li>\n\n\n\n<li>N\u00e1rast po\u010dtu s\u0165a\u017enost\u00ed z\u00e1kazn\u00edkov<\/li>\n\n\n\n<li>V\u00e4\u010d\u0161ie mno\u017estvo odpadov\u00e9ho materi\u00e1lu<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Napr\u00edklad vrec\u00fa\u0161ko na potraviny m\u00f4\u017ee by\u0165 vystaven\u00e9 n\u00e1razu, ak po naplnen\u00ed spadne na zem. Farmaceutick\u00e9 balenie m\u00f4\u017ee vy\u017eadova\u0165 vysok\u00fa odolnos\u0165 proti prepichnutiu a n\u00e1razom, aby sa zachovala sterilita. Priemyseln\u00e9 stre\u010dov\u00e9 f\u00f3lie musia odol\u00e1va\u0165 mechanick\u00e9mu nam\u00e1haniu po\u010das prepravy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pou\u017eit\u00edm <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong>, v\u00fdrobcovia m\u00f4\u017eu e\u0161te pred spusten\u00edm hromadnej v\u00fdroby odhali\u0165 materi\u00e1ly s nedostatkami a zlep\u0161i\u0165 vlastnosti obalov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Princ\u00edp merania n\u00e1razu kyvadlom<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Princ\u00edp \u010dinnosti kyvadlov\u00e9ho r\u00e1zov\u00e9ho testeru spo\u010d\u00edva v premene energie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ke\u010f sa kyvadlo zdvihne, akumuluje potenci\u00e1lnu energiu. Po uvo\u013enen\u00ed sa t\u00e1to energia premie\u0148a na kinetick\u00fa energiu, ke\u010f sa kyvadlo pohybuje smerom k vzorke.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Energia n\u00e1razu absorbovan\u00e1 plastovou f\u00f3liou sa vypo\u010d\u00edta meran\u00edm rozdielu medzi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Po\u010diato\u010dn\u00e1 energia kyvadla pred n\u00e1razom<\/li>\n\n\n\n<li>Zvy\u0161n\u00e1 energia po zlome vzorky<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Z\u00e1kladn\u00fd vz\u0165ah mo\u017eno vyjadri\u0165 takto:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Energia pri n\u00e1raze = energia pred n\u00e1razom \u2013 energia po n\u00e1raze<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vy\u0161\u0161ia hodnota absorbovanej energie vo v\u0161eobecnosti sved\u010d\u00ed o lep\u0161ej odolnosti vo\u010di n\u00e1hlym n\u00e1razov\u00fdm sil\u00e1m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00da\u010dinnos\u0165 n\u00e1razu v\u0161ak z\u00e1vis\u00ed od viacer\u00fdch faktorov, medzi ktor\u00e9 patria:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hr\u00fabka filmu<\/li>\n\n\n\n<li>\u0160trukt\u00fara polym\u00e9ru<\/li>\n\n\n\n<li>Smer orient\u00e1cie<\/li>\n\n\n\n<li>Pr\u00edsady<\/li>\n\n\n\n<li>Teplotn\u00e9 podmienky<\/li>\n\n\n\n<li>Vrstvov\u00e1 \u0161trukt\u00fara laminovan\u00fdch f\u00f3li\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Preto musia by\u0165 testovacie podmienky konzistentn\u00e9, aby bolo mo\u017en\u00e9 dosiahnu\u0165 zmyslupln\u00e9 porovnania.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Spencerova met\u00f3da n\u00e1razu na sk\u00fa\u0161anie plastov\u00fdch f\u00f3li\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>Spencerova met\u00f3da n\u00e1razu<\/strong> je jedn\u00fdm z v\u0161eobecne uzn\u00e1van\u00fdch pr\u00edstupov na hodnotenie r\u00e1zovej pevnosti tenk\u00fdch plastov\u00fdch f\u00f3li\u00ed a dosiek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1to met\u00f3da sa zameriava na meranie energie potrebnej na to, aby n\u00e1razov\u00e9 zariadenie preniklo do vzorky f\u00f3lie. Je obzvl\u00e1\u0161\u0165 u\u017eito\u010dn\u00e1 v pr\u00edpade tenk\u00fdch a ohybn\u00fdch materi\u00e1lov, pri ktor\u00fdch be\u017en\u00e9 n\u00e1razov\u00e9 sk\u00fa\u0161ky nemusia presne odzrkad\u013eova\u0165 skuto\u010dn\u00fa v\u00fdkonnos\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spencerova met\u00f3da dopadu sa \u0161iroko pou\u017e\u00edva, preto\u017ee poskytuje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Opakovan\u00e9 merania n\u00e1razu<\/li>\n\n\n\n<li>Jednoduch\u00e1 pr\u00edprava vzoriek<\/li>\n\n\n\n<li>Praktick\u00e9 hodnotenie h\u00fa\u017eevnatosti f\u00f3lie<\/li>\n\n\n\n<li>Spo\u013eahliv\u00e9 porovnanie r\u00f4znych materi\u00e1lov<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Medzi typick\u00e9 pou\u017eitia patria:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baliace f\u00f3lie<\/li>\n\n\n\n<li>Bari\u00e9rov\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Laminovan\u00e9 kon\u0161trukcie<\/li>\n\n\n\n<li>Pru\u017en\u00e9 vreck\u00e1<\/li>\n\n\n\n<li>Priemyseln\u00e9 plastov\u00e9 dosky<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong> Je navrhnut\u00fd v s\u00falade so Spencerov\u00fdmi princ\u00edpmi n\u00e1razovej odolnosti a umo\u017e\u0148uje laborat\u00f3ri\u00e1m hodnoti\u0165 odolnos\u0165 f\u00f3lie po\u010das v\u00fdskumu, vstupnej kontroly a kontroly kvality v\u00fdroby.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D3420 \u2013 Sk\u00fa\u0161ka odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1razu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D3420<\/strong> je d\u00f4le\u017eit\u00e1 norma t\u00fdkaj\u00faca sa sk\u00fa\u0161ok odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1razu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1to norma stanovuje postupy na stanovenie odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1razu meran\u00edm energie potrebnej na sp\u00f4sobenie poru\u0161enia za stanoven\u00fdch n\u00e1razov\u00fdch podmienok.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sk\u00fa\u0161ky pod\u013ea normy ASTM D3420 pom\u00e1haj\u00fa v\u00fdrobcom:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Porovnanie v\u00fdkonu filmov<\/li>\n\n\n\n<li>Overi\u0165 \u0161pecifik\u00e1cie materi\u00e1lu<\/li>\n\n\n\n<li>Podpora kvalifik\u00e1cie dod\u00e1vate\u013eov<\/li>\n\n\n\n<li>Zlep\u0161i\u0165 dizajn obalov<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Profesion\u00e1l <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong> malo by zabezpe\u010di\u0165 presn\u00e9 riadenie:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Testovacie parametre<\/th><th>V\u00fdznam<\/th><\/tr><\/thead><tbody><tr><td>Rozsah energie kyvadla<\/td><td>Zabezpe\u010duje vhodn\u00e9 meranie pre r\u00f4zne f\u00f3lie<\/td><\/tr><tr><td>Kon\u0161trukcia \u00faderovej hlavy<\/td><td>Ovplyv\u0148uje spr\u00e1vanie pri poruche<\/td><\/tr><tr><td>Fix\u00e1cia vzoriek<\/td><td>Predch\u00e1dza chyb\u00e1m pri testovan\u00ed<\/td><\/tr><tr><td>Presnos\u0165 merania<\/td><td>Zaru\u010duje spo\u013eahliv\u00e9 a kvalitn\u00e9 \u00fadaje<\/td><\/tr><tr><td>Opakovate\u013enos\u0165<\/td><td>Podporuje riadenie v\u00fdroby<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Sk\u00fa\u0161ky pod\u013ea normy ASTM D3420 sa be\u017ene pou\u017e\u00edvaj\u00fa v kombin\u00e1cii s \u010fal\u0161\u00edmi mechanick\u00fdmi hodnoteniami, ako s\u00fa sk\u00fa\u0161ky pevnosti v \u0165ahu, odolnosti proti pretrhnutiu a prepichnutiu, s cie\u013eom z\u00edska\u0165 komplexn\u00fd preh\u013ead o vlastnostiach f\u00f3lie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">NF T54-116 \u2013 Hodnotenie odolnosti proti n\u00e1razu u \u0161tandardn\u00fdch a plastov\u00fdch f\u00f3li\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>NF T54-116<\/strong> je \u010fal\u0161ia referen\u010dn\u00e1 met\u00f3da s\u00favisiaca s hodnoten\u00edm odolnosti plastov\u00fdch materi\u00e1lov proti n\u00e1razu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1to norma sa \u010dasto zoh\u013ead\u0148uje pri sk\u00fa\u0161an\u00ed plastov\u00fdch f\u00f3li\u00ed a dosiek pou\u017e\u00edvan\u00fdch v priemyseln\u00fdch aplik\u00e1ci\u00e1ch. Poskytuje usmernenia na pos\u00fadenie toho, ako materi\u00e1ly reaguj\u00fa na n\u00e1hle n\u00e1razov\u00e9 sily.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ke\u010f v\u00fdrobcovia vyv\u00e1\u017eaj\u00fa plastov\u00e9 v\u00fdrobky do zahrani\u010dia, testovanie pod\u013ea uzn\u00e1van\u00fdch noriem pom\u00e1ha zabezpe\u010di\u0165:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>St\u00e1la kvalita v\u00fdrobkov<\/li>\n\n\n\n<li>Dodr\u017eiavanie \u0161pecifik\u00e1ci\u00ed z\u00e1kazn\u00edka<\/li>\n\n\n\n<li>Zlep\u0161en\u00e1 technick\u00e1 komunik\u00e1cia<\/li>\n\n\n\n<li>Zn\u00ed\u017een\u00e1 neistota merania<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u0161estrann\u00fd <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong> dok\u00e1\u017ee vyhovie\u0165 r\u00f4znym po\u017eiadavk\u00e1m na testovanie v\u010faka nastavite\u013en\u00fdm \u00farov\u0148am n\u00e1razovej energie a vymenite\u013en\u00fdm up\u00ednac\u00edm pr\u00edpravkom.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako sa vykon\u00e1va r\u00e1zov\u00e1 sk\u00fa\u0161ka plastov\u00fdch f\u00f3li\u00ed?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Typick\u00fd postup pri sk\u00fa\u0161ke n\u00e1razom zah\u0155\u0148a nasleduj\u00face kroky:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Pr\u00edprava vzorky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vzorky f\u00f3li\u00ed sa pripravuj\u00fa v s\u00falade so zvolenou sk\u00fa\u0161obnou normou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Medzi d\u00f4le\u017eit\u00e9 faktory patria:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rozmery vzorky<\/li>\n\n\n\n<li>Hr\u00fabka filmu<\/li>\n\n\n\n<li>Klimatick\u00e9 podmienky<\/li>\n\n\n\n<li>Smer stroja a prie\u010dny smer<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Uk\u00e1\u017ekov\u00e1 in\u0161tal\u00e1cia<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vzorka f\u00f3lie je pevne upevnen\u00e1 v dr\u017eiaku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vne upevnenie je nevyhnutn\u00e9, preto\u017ee vo\u013en\u00e1 mont\u00e1\u017e m\u00f4\u017ee ovplyvni\u0165 spr\u00e1vanie pri poruche a zn\u00ed\u017ei\u0165 presnos\u0165 testovania.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Uvo\u013enenie kyvadla<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kyvadlo sa umiestni do ur\u010den\u00e9ho v\u00fdchodiskov\u00e9ho bodu a uvo\u013en\u00ed sa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e1razov\u00fd \u00fadern\u00edk dopad\u00e1 na f\u00f3liu kontrolovanou r\u00fdchlos\u0165ou a pren\u00e1\u0161a energiu na vzorku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Zber \u00fadajov<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00edstroj zaznamen\u00e1va energiu absorbovan\u00fa po\u010das poruchy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdsledky testov m\u00f4\u017eu zah\u0155\u0148a\u0165:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Energia n\u00e1razu<\/li>\n\n\n\n<li>Re\u017eim poruchy<\/li>\n\n\n\n<li>Priemern\u00e1 hodnota<\/li>\n\n\n\n<li>Maxim\u00e1lne a minim\u00e1lne hodnoty<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5. Anal\u00fdza v\u00fdsledkov<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In\u017einieri analyzuj\u00fa v\u00fdsledky, aby zistili, \u010di f\u00f3lia sp\u013a\u0148a v\u00fdkonnostn\u00e9 po\u017eiadavky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako interpretova\u0165 v\u00fdsledky r\u00e1zov\u00fdch sk\u00fa\u0161ok?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdsledky r\u00e1zov\u00fdch sk\u00fa\u0161ok poskytuj\u00fa inform\u00e1cie o h\u00fa\u017eevnatosti a trvanlivosti plastov\u00fdch f\u00f3li\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vy\u0161\u0161ie hodnoty n\u00e1razovej energie zvy\u010dajne nazna\u010duj\u00fa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vy\u0161\u0161ia odolnos\u0165 vo\u010di n\u00e1hlym n\u00e1razom<\/li>\n\n\n\n<li>Vylep\u0161en\u00e1 ochrana bal\u00edka<\/li>\n\n\n\n<li>Ni\u017e\u0161ie riziko n\u00e1hodn\u00e9ho po\u0161kodenia<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ni\u017e\u0161ie hodnoty dopadu m\u00f4\u017eu nazna\u010dova\u0165:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nedostato\u010dn\u00e1 hr\u00fabka filmu<\/li>\n\n\n\n<li>Slab\u00e1 \u0161trukt\u00fara polym\u00e9ru<\/li>\n\n\n\n<li>N\u00edzka kvalita laminovania<\/li>\n\n\n\n<li>V\u00fdrobn\u00e9 vady<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdkonnos\u0165 pri n\u00e1raze by sa v\u0161ak nemala hodnoti\u0165 samostatne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pri v\u00fdvoji obalov in\u017einieri \u010dasto kombinuj\u00fa \u00fadaje o odolnosti proti n\u00e1razu s:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Sk\u00fa\u0161obn\u00e1 met\u00f3da<\/th><th>Hodnoten\u00e1 nehnute\u013enos\u0165<\/th><\/tr><\/thead><tbody><tr><td>Sk\u00fa\u0161ka \u0165ahom<\/td><td>Pevnos\u0165 a pred\u013a\u017eenie<\/td><\/tr><tr><td>Sk\u00fa\u0161ka odolnosti proti roztrhnutiu<\/td><td>Odolnos\u0165 proti \u0161\u00edreniu trhl\u00edn<\/td><\/tr><tr><td>Test COF<\/td><td>Chovanie pri povrchovom tren\u00ed<\/td><\/tr><tr><td>Sk\u00fa\u0161ka pevnosti tesnenia<\/td><td>Spo\u013eahlivos\u0165 tepelne zape\u010daten\u00fdch obalov<\/td><\/tr><tr><td>Sk\u00fa\u0161ka hr\u00fabky<\/td><td>Konzistencia materi\u00e1lu<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tieto testy spolu poskytuj\u00fa komplexn\u00e9 hodnotenie vlastnost\u00ed flexibiln\u00fdch obalov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Materi\u00e1ly vhodn\u00e9 na sk\u00fa\u0161ky n\u00e1razom kyvadlom<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong> je vhodn\u00fd pre r\u00f4zne pru\u017en\u00e9 materi\u00e1ly, medzi ktor\u00e9 patria:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polyetyl\u00e9nov\u00e1 (PE) f\u00f3lia<\/li>\n\n\n\n<li>Polyetyl\u00e9n s n\u00edzkou hustotou (LDPE)<\/li>\n\n\n\n<li>Polyetyl\u00e9n s vysokou hustotou (HDPE)<\/li>\n\n\n\n<li>Polypropyl\u00e9nov\u00e1 (PP) f\u00f3lia<\/li>\n\n\n\n<li>Biaxi\u00e1lne orientovan\u00fd polypropyl\u00e9n (BOPP)<\/li>\n\n\n\n<li>Polyesterov\u00e1 (PET) f\u00f3lia<\/li>\n\n\n\n<li>Polyamidov\u00e1 (PA) f\u00f3lia<\/li>\n\n\n\n<li>Viacvrstvov\u00e9 laminovan\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>F\u00f3lie na bari\u00e9rov\u00e9 balenie<\/li>\n\n\n\n<li>Smr\u0161\u0165ovacie f\u00f3lie<\/li>\n\n\n\n<li>Po\u013enohospod\u00e1rske f\u00f3lie<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tento test m\u00f4\u017ee pom\u00f4c\u0165 v\u00fdrobcom materi\u00e1lov optimalizova\u0165 zlo\u017eenie a pom\u00f4c\u0165 v\u00fdrobcom obalov vybra\u0165 vhodn\u00e9 f\u00f3lie pre konkr\u00e9tne pou\u017eitie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Priemyseln\u00e9 vyu\u017eitie sk\u00fa\u0161ok odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1razu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Odvetvie balenia potrav\u00edn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na balenie potrav\u00edn s\u00fa potrebn\u00e9 odoln\u00e9 f\u00f3lie, ktor\u00e9 zabra\u0148uj\u00fa \u00faniku a po\u0161kodeniu po\u010das prepravy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podpory pre r\u00e1zov\u00e9 sk\u00fa\u0161ky:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00fdvoj vrec\u00fa\u0161ok<\/li>\n\n\n\n<li>Hodnotenie obalov na snacky<\/li>\n\n\n\n<li>Zlep\u0161enie balenia mrazen\u00fdch potrav\u00edn<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Farmaceutick\u00e9 obaly<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lek\u00e1rske a farmaceutick\u00e9 obaly si vy\u017eaduj\u00fa spo\u013eahliv\u00fa ochranu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sk\u00fa\u0161ky n\u00e1razom pom\u00e1haj\u00fa overi\u0165:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trvanlivos\u0165 balenia<\/li>\n\n\n\n<li>V\u00fdber materi\u00e1lu<\/li>\n\n\n\n<li>Bezpe\u010dnos\u0165 v\u00fdrobkov<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Spotrebn\u00e9 v\u00fdrobky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V v\u00fdrobkoch pre dom\u00e1cnos\u0165 a osobn\u00fa hygienu sa \u010dasto pou\u017e\u00edvaj\u00fa pru\u017en\u00e9 obaly, ktor\u00e9 s\u00fa vystaven\u00e9 n\u00e1razom pri manipul\u00e1cii.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Testovanie zaru\u010duje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lep\u0161\u00ed pou\u017e\u00edvate\u013esk\u00fd z\u00e1\u017eitok<\/li>\n\n\n\n<li>Zn\u00ed\u017een\u00e1 poruchovos\u0165 bal\u00edkov<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Priemyseln\u00e9 balenie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Plastov\u00e9 f\u00f3lie ur\u010den\u00e9 na n\u00e1ro\u010dn\u00e9 pou\u017eitie musia vykazova\u0165 vysok\u00fa odolnos\u0165 proti n\u00e1razom v nasleduj\u00facich pr\u00edpadoch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Balenie na palety<\/li>\n\n\n\n<li>Ochrann\u00e9 obaly<\/li>\n\n\n\n<li>Prepravn\u00e9 materi\u00e1ly<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdhody pou\u017e\u00edvania profesion\u00e1lneho pr\u00edstroja na meranie n\u00e1razovej pevnosti s kyvadlom<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vysoko kvalitn\u00fd <strong>pr\u00edstroj na meranie n\u00e1razovej pevnosti plastovej f\u00f3lie pomocou kyvadla<\/strong> prin\u00e1\u0161a viacero v\u00fdhod:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Presn\u00e9 meranie energie n\u00e1razu<\/li>\n\n\n\n<li>Opakovate\u013en\u00e9 v\u00fdsledky testov<\/li>\n\n\n\n<li>Podpora viacer\u00fdch \u0161tandardov<\/li>\n\n\n\n<li>Vylep\u0161en\u00e9 porovnanie materi\u00e1lov<\/li>\n\n\n\n<li>R\u00fdchlej\u0161ie hodnotenie kvality<\/li>\n\n\n\n<li>Zn\u00ed\u017een\u00fd po\u010det por\u00fach obalov<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pre laborat\u00f3ri\u00e1 a v\u00fdrobcov spo\u013eahliv\u00e9 zariadenia na sk\u00fa\u0161anie odolnosti proti n\u00e1razu zlep\u0161uj\u00fa proces rozhodovania pri:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00fdskum materi\u00e1lov<\/li>\n\n\n\n<li>Hodnotenie dod\u00e1vate\u013eov<\/li>\n\n\n\n<li>Kontrola kvality<\/li>\n\n\n\n<li>Monitorovanie v\u00fdroby<\/li>\n\n\n\n<li>Optimaliz\u00e1cia balenia<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdber spr\u00e1vneho zariadenia na sk\u00fa\u0161anie odolnosti plastov\u00fdch f\u00f3li\u00ed proti n\u00e1razu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pri v\u00fdbere meracieho pr\u00edstroja by laborat\u00f3ri\u00e1 mali zoh\u013eadni\u0165:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Testovanie kompatibility s normami<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uistite sa, \u017ee zariadenie podporuje po\u017eadovan\u00e9 met\u00f3dy, ako napr\u00edklad <a href=\"https:\/\/store.astm.org\/d3420-21r26.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D3420<\/a>, met\u00f3da n\u00e1razu pod\u013ea Spencera a norma NF T54-116.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Presnos\u0165 merania<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Meracie syst\u00e9my s vysok\u00fdm rozl\u00ed\u0161en\u00edm zvy\u0161uj\u00fa spo\u013eahlivos\u0165, najm\u00e4 v pr\u00edpade tenk\u00fdch vrstiev s mal\u00fdmi rozdielmi v dopade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>N\u00e1vrh svietidiel<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vne syst\u00e9my na uchytenie vzoriek zni\u017euj\u00fa vplyv obsluhy a zvy\u0161uj\u00fa opakovate\u013enos\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Flexibilita pou\u017eitia<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00f4zne odvetvia m\u00f4\u017eu vy\u017eadova\u0165 r\u00f4zne n\u00e1razov\u00e9 energie, ve\u013ekosti vzoriek a konfigur\u00e1cie sk\u00fa\u0161ok.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spolo\u010dnos\u0165 Cell Instruments pon\u00faka profesion\u00e1lne rie\u0161enia v oblasti sk\u00fa\u0161ania materi\u00e1lov, vr\u00e1tane up\u00ednac\u00edch pr\u00edpravkov a sk\u00fa\u0161obn\u00fdch syst\u00e9mov vyroben\u00fdch na mieru, ur\u010den\u00fdch pre flexibiln\u00e9 obaly, plastov\u00e9 f\u00f3lie, zdravotn\u00edcke obaly a priemyseln\u00e9 materi\u00e1ly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spo\u013eahliv\u00e9 r\u00e1zov\u00e9 testovanie pom\u00e1ha in\u017einierom vybera\u0165 odolnej\u0161ie materi\u00e1ly, zlep\u0161ova\u0165 vlastnosti obalov a zni\u017eova\u0165 po\u010det por\u00fach v\u00fdrobkov sp\u00f4soben\u00fdch po\u0161koden\u00edm f\u00f3lie. Spolo\u010dnos\u0165 Cell Instruments pon\u00faka pokro\u010dil\u00e9 rie\u0161enia pre r\u00e1zov\u00e9 testovanie plastov\u00fdch f\u00f3li\u00ed pomocou kyvadla, vr\u00e1tane \u0161tandardn\u00fdch pr\u00edstrojov, up\u00ednac\u00edch pr\u00edpravkov na mieru a testovac\u00edch syst\u00e9mov ur\u010den\u00fdch pre konkr\u00e9tne aplik\u00e1cie. Obr\u00e1\u0165te sa na n\u00e1\u0161 technick\u00fd t\u00edm a zistite, ako v\u00e1m na\u0161e testovacie zariadenia m\u00f4\u017eu pom\u00f4c\u0165 pri hodnoten\u00ed materi\u00e1lov, kontrole kvality a v\u00fdvoji v\u00fdrobkov.<\/p>","protected":false},"excerpt":{"rendered":"<p>Plastic films are widely used in food packaging, medical packaging, pharmaceutical applications, industrial wrapping, and consumer products. During manufacturing, transportation, and daily use, films may experience sudden impact forces that can cause puncture, tearing, or breakage. The pendulum impact tester of plastic film provides an effective solution for evaluating the impact resistance and mechanical durability [&hellip;]<\/p>","protected":false},"featured_media":1554,"parent":0,"template":"","meta":{"_acf_changed":false},"product-category":[],"class_list":["post-1492","product","type-product","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/sk\/wp-json\/wp\/v2\/product\/1492","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/sk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.packtests.com\/sk\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":4,"href":"https:\/\/www.packtests.com\/sk\/wp-json\/wp\/v2\/product\/1492\/revisions"}],"predecessor-version":[{"id":1556,"href":"https:\/\/www.packtests.com\/sk\/wp-json\/wp\/v2\/product\/1492\/revisions\/1556"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/sk\/wp-json\/wp\/v2\/media\/1554"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/sk\/wp-json\/wp\/v2\/media?parent=1492"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.packtests.com\/sk\/wp-json\/wp\/v2\/product-category?post=1492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}