{"id":3319,"date":"2026-05-14T03:39:39","date_gmt":"2026-05-14T03:39:39","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3319"},"modified":"2026-05-14T03:39:39","modified_gmt":"2026-05-14T03:39:39","slug":"chain-drive-safety-guarding-what-korean-ce-and-osha-standards-actually-require","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/cs\/chain-drive-safety-guarding-what-korean-ce-and-osha-standards-actually-require\/","title":{"rendered":"Bezpe\u010dnostn\u00ed kryty \u0159et\u011bzov\u00e9ho pohonu: Co skute\u010dn\u011b vy\u017eaduj\u00ed korejsk\u00e9 normy, normy CE a OSHA"},"content":{"rendered":"
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KS\/KOSHA<\/div>\n
CE \u00b7 Sm\u011brnice o strojn\u00edch za\u0159\u00edzen\u00edch<\/div>\n
OSHA 1910.219<\/div>\n<\/div>\n

Bezpe\u010dnostn\u00ed kryty \u0159et\u011bzov\u00e9ho pohonu: Co skute\u010dn\u011b vy\u017eaduj\u00ed korejsk\u00e9 normy, normy CE a OSHA<\/h1>\n

Z\u00e1znamy o pracovn\u00edch nehod\u00e1ch opakovan\u011b ukazuj\u00ed, \u017ee zamot\u00e1n\u00ed \u0159et\u011bz\u016f a p\u00e1s\u016f v m\u00edst\u011b sev\u0159en\u00ed je jednou z hlavn\u00edch p\u0159\u00ed\u010din zran\u011bn\u00ed horn\u00edch kon\u010detin ve v\u00fdrob\u011b. Po\u017eadavky na ochrann\u00e9 kryty jsou specifick\u00e9, zdokumentovan\u00e9 a vymahateln\u00e9 \u2013 a nej\u010dast\u011bj\u0161\u00ed chyby ve specifikaci ochrann\u00fdch kryt\u016f jsou dostate\u010dn\u011b p\u0159edv\u00eddateln\u00e9, aby se daly \u0159e\u0161it p\u0159ed inspekc\u00ed nebo incidentem.<\/p>\n

Kontaktujte n\u00e1\u0161 technick\u00fd t\u00fdm pro radu ohledn\u011b pohonn\u00fdch syst\u00e9m\u016f<\/a><\/p>\n<\/div>\n<\/div>\n

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Bezpe\u010dnostn\u00ed inspekce Ministerstva pr\u00e1ce a zam\u011bstnanosti (MOEL) v kovov\u00fdrobn\u00edm z\u00e1vod\u011b v Kjonggi v roce 2024 vedla k pokut\u011b ve v\u00fd\u0161i 48 000 000 \u20a9 a 30denn\u00edmu p\u0159\u00edkazu k n\u00e1prav\u011b u celkem 11 zji\u0161t\u011bn\u00fdch nedostatk\u016f v ochrann\u00fdch krytech \u0159et\u011bzov\u00fdch a \u0159emenov\u00fdch pohon\u016f v cel\u00e9 v\u00fdrobn\u00ed hale. Dev\u011bt z jeden\u00e1cti nedostatk\u016f se t\u00fdkalo pohon\u016f, u kter\u00fdch byly instalov\u00e1ny ochrann\u00e9 kryty \u2013 tyto kryty v\u0161ak nespl\u0148ovaly rozm\u011brov\u00e9 po\u017eadavky uveden\u00e9 v p\u0159\u00edru\u010dce KOSHA GUIDE M-45-2023. Ochrann\u00e9 kryty byly p\u0159\u00edli\u0161 daleko od m\u00edst sev\u0159en\u00ed, m\u011bly otvory, kter\u00e9 umo\u017e\u0148ovaly zasunut\u00ed prst\u016f nad referen\u010dn\u00ed vzd\u00e1lenost od nebezpe\u010dn\u00e9 z\u00f3ny, nebo nespl\u0148ovaly po\u017eadavky na struktur\u00e1ln\u00ed integritu pro tlou\u0161\u0165ku materi\u00e1lu ochrann\u00e9ho krytu. M\u00edt ochrann\u00fd kryt nen\u00ed tot\u00e9\u017e jako spl\u0148ovat normu pro ochrann\u00e9 kryty. Rozd\u00edl mezi spln\u011bn\u00edm po\u017eadavk\u016f a p\u0159\u00edkazem k n\u00e1prav\u011b spo\u010d\u00edv\u00e1 v p\u0159esn\u00e9 pochopen\u00ed toho, co p\u0159\u00edslu\u0161n\u00e1 norma vy\u017eaduje \u2013 nejen v tom, \u017ee ochrann\u00fd kryt je vy\u017eadov\u00e1n.<\/p>\n

Tento \u010dl\u00e1nek se zab\u00fdv\u00e1 specifick\u00fdmi po\u017eadavky t\u0159\u00ed norem, kter\u00e9 jsou nejrelevantn\u011bj\u0161\u00ed pro stroje s \u0159et\u011bzov\u00fdm pohonem v korejsk\u00e9m pr\u016fmyslov\u00e9m prost\u0159ed\u00ed: Korejsk\u00e9 normy bezpe\u010dnosti a ochrany zdrav\u00ed p\u0159i pr\u00e1ci (KOSHA GUIDE M-45 a souvisej\u00edc\u00ed ustanoven\u00ed z\u00e1kona o bezpe\u010dnosti a ochran\u011b zdrav\u00ed p\u0159i pr\u00e1ci), sm\u011brnice CE o strojn\u00edch za\u0159\u00edzen\u00edch 2006\/42\/ES (platn\u00e1 pro za\u0159\u00edzen\u00ed vyv\u00e1\u017een\u00e1 na evropsk\u00e9 trhy nebo po\u0159izovan\u00e1 z evropsk\u00fdch trh\u016f) a OSHA 29 CFR 1910.219 (platn\u00e1 pro za\u0159\u00edzen\u00ed provozovan\u00e1 v za\u0159\u00edzen\u00edch v USA nebo vyroben\u00e1 podle specifikac\u00ed americk\u00e9ho trhu).<\/p>\n

\"Dvourozte\u010dn\u00fd<\/p>\n

\u010cty\u0159i nebezpe\u010dn\u00e9 z\u00f3ny, kter\u00e9 mus\u00ed ka\u017ed\u00fd ochrann\u00fd kryt \u0159et\u011bzov\u00e9ho pohonu zvl\u00e1dnout<\/h2>\n
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Nip Points<\/div>\n

V m\u00edst\u011b, kde se \u0159et\u011bz setk\u00e1v\u00e1 s ozuben\u00fdm kolem na stran\u011b pod\u00e1v\u00e1n\u00ed. \u010c\u00e1st t\u011bla (prst, vlasy, voln\u00fd od\u011bv) zachycen\u00e1 v m\u00edst\u011b sev\u0159en\u00ed je vta\u017eena do pohonu s pln\u00fdm napnut\u00edm \u0159et\u011bzu \u2013 co\u017e je nejz\u00e1va\u017en\u011bj\u0161\u00ed zp\u016fsoben\u00ed zran\u011bn\u00ed. Ochrann\u00fd kryt mus\u00ed zabr\u00e1nit p\u0159\u00edstupu do bezpe\u010dn\u00e9 dosahu od linie sev\u0159en\u00ed.<\/p>\n<\/div>\n

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Body obalu<\/div>\n

Odkryt\u00e9 povrchy \u0159et\u011bzu a zuby \u0159et\u011bzov\u00fdch kol, kde se m\u016f\u017ee voln\u00fd materi\u00e1l zamotat a namotat kolem pohonu. Obzvl\u00e1\u0161t\u011b nebezpe\u010dn\u00e9 pro voln\u00e9 oble\u010den\u00ed, struny, vlasy a dr\u00e1ty. Ochrann\u00fd kryt mus\u00ed uzav\u00edrat cel\u00fd rozsah mezi \u0159et\u011bzov\u00fdmi koly, nejen oblasti sev\u0159en\u00ed.<\/p>\n<\/div>\n

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Body smyku<\/div>\n

Tam, kde \u010dl\u00e1nky \u0159et\u011bzu proch\u00e1zej\u00ed bl\u00edzko pevn\u00e9 konstrukce \u2013 vodic\u00ed li\u0161ty, ochrann\u00e9 kryty, pouzdra. Mezera mezi pohybuj\u00edc\u00edm se \u0159et\u011bzem a pevn\u00fdm povrchem vytv\u00e1\u0159\u00ed st\u0159i\u017en\u00e9 p\u016fsoben\u00ed, pokud se mezi n\u011b zachyt\u00ed \u010d\u00e1st t\u011bla nebo materi\u00e1l. Minim\u00e1ln\u00ed mezery jsou stanoveny normou.<\/p>\n<\/div>\n

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Vyhozen\u00ed p\u0159eru\u0161en\u00e9ho \u0159et\u011bzu<\/div>\n

Kdy\u017e se \u0159et\u011bz pod nap\u011bt\u00edm sel\u017ee, ulo\u017een\u00e1 elastick\u00e1 energie v \u0159et\u011bzovce \u0159et\u011bzu m\u016f\u017ee vymr\u0161tit po\u0161kozenou \u010d\u00e1st vysokou rychlost\u00ed. Ochrann\u00fd kryt mus\u00ed m\u00edt dostate\u010dnou konstruk\u010dn\u00ed pevnost, aby zachytil \u00falomky vymr\u0161t\u011bn\u00e9 z \u0159et\u011bzu, ani\u017e by byly prora\u017eeny nebo posunuty.<\/p>\n<\/div>\n<\/div>\n

Protiintuitivn\u011b: bod sev\u0159en\u00ed \u010dasto nen\u00ed z hlediska zapleten\u00ed nejnebezpe\u010dn\u011bj\u0161\u00edm m\u00edstem na \u0159et\u011bzov\u00e9m pohonu.<\/strong> Nejhor\u0161\u00ed zran\u011bn\u00ed zp\u016fsoben\u00e1 zamot\u00e1n\u00edm u nehod s \u0159et\u011bzov\u00fdm pohonem se st\u00e1vaj\u00ed na povrchu \u0159et\u011bzu \u2013 v ploch\u00e9 \u010d\u00e1sti \u0159et\u011bzu mezi ozuben\u00fdmi koly, kde se voln\u00fd materi\u00e1l nav\u00edj\u00ed a hromad\u00ed nap\u011bt\u00ed d\u0159\u00edve, ne\u017e obsluha m\u016f\u017ee zareagovat. M\u00edsto sev\u0159en\u00ed je obvykle viditeln\u00e9 a nach\u00e1z\u00ed se bl\u00edzko \u010dela \u0159et\u011bzov\u00e9ho kola, kde si vy\u0161kolen\u00e1 obsluha udr\u017euje p\u0159ehled o stavu \u0159et\u011bzu. Rozp\u011bt\u00ed \u0159et\u011bzu, zejm\u00e9na u zvednut\u00fdch nebo stropn\u00edch pohon\u016f, je \u010dasto m\u00edstem, kde se voln\u00e9 oble\u010den\u00ed nebo vlasy poprv\u00e9 dotknou \u0159et\u011bzu, p\u0159i\u010dem\u017e m\u00edsta sev\u0159en\u00ed je dosa\u017eeno a\u017e pot\u00e9, co ji\u017e k zamot\u00e1n\u00ed do\u0161lo. \u010cast\u00fdm a nebezpe\u010dn\u00fdm \u010d\u00e1ste\u010dn\u00fdm \u0159e\u0161en\u00edm jsou ochrann\u00e9 kryty, kter\u00e9 chr\u00e1n\u00ed m\u00edsta sev\u0159en\u00ed, ale nech\u00e1vaj\u00ed rozp\u011bt\u00ed \u0159et\u011bzu odkryt\u00e9.<\/div>\n

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Korejsk\u00e9 regula\u010dn\u00ed po\u017eadavky: KOSHA a z\u00e1kon o bezpe\u010dnosti a ochran\u011b zdrav\u00ed p\u0159i pr\u00e1ci<\/h2>\n

Hlavn\u00edm korejsk\u00fdm regula\u010dn\u00edm r\u00e1mcem pro ochrann\u00e9 kryty stroj\u016f je z\u00e1kon o bezpe\u010dnosti a ochran\u011b zdrav\u00ed p\u0159i pr\u00e1ci (\uc0b0\uc5c5\uc548\uc804\ubcf4\uac74\ubc95, z\u00e1kon \u010d. 16272) a jeho prov\u00e1d\u011bc\u00ed p\u0159edpisy, dopln\u011bn\u00e9 p\u0159\u00edru\u010dkami KOSHA a normami KS. Konkr\u00e9tn\u011b pro \u0159et\u011bzov\u00e9 pohony jsou relevantn\u00edmi ustanoven\u00edmi \u010dl\u00e1nek 87 norem bezpe\u010dnosti a ochrany zdrav\u00ed p\u0159i pr\u00e1ci (\uc0b0\uc5c5\uc548\uc804\ubcf4\uac74\uae30\uc900\uc5d0 \uad00\ud55c \uaddc\uce59) a p\u0159\u00edru\u010dka KOSHA M-45 (Metoda bezpe\u010dnostn\u00edch kryt\u016f pro mechanick\u00e1 nebezpe\u010d\u00ed).<\/p>\n

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Po\u017eadavek<\/th>\nKorejsk\u00e9 standardn\u00ed ustanoven\u00ed<\/th>\nKl\u00ed\u010dov\u00fd parametr<\/th>\n<\/tr>\n<\/thead>\n
Ochrann\u00fd kryt<\/td>\nKOSHA M-45, odd\u00edl 4.1<\/td>\nMus\u00ed pln\u011b uzav\u00edrat v\u0161echny sv\u011brn\u00e9 body, z\u00f3ny ovinut\u00ed a \u010deln\u00ed plochy ozuben\u00fdch kol. \u010c\u00e1ste\u010dn\u00e9 ochrann\u00e9 kryty nesm\u00ed ponech\u00e1vat \u017e\u00e1dn\u00fd otvor do 120 mm od sv\u011brn\u00e9ho bodu, kter\u00fd by umo\u017e\u0148oval zasunut\u00ed prstu.<\/td>\n<\/tr>\n
Velikost clony vs. vzd\u00e1lenost<\/td>\nKOSHA M-45, KS B ISO 13857<\/td>\nMaxim\u00e1ln\u00ed otvor 6 mm na \u010deln\u00ed stran\u011b ochrann\u00e9ho krytu; 40 mm ve vzd\u00e1lenosti 200 mm od nebezpe\u010d\u00ed; pou\u017e\u00edv\u00e1 vzorec pro bezpe\u010dnou vzd\u00e1lenost z normy KS B ISO 13857 (stejn\u00fd jako EN ISO 13857).<\/td>\n<\/tr>\n
Pevnost materi\u00e1lu ochrann\u00e9ho krytu<\/td>\nKOSHA M-45, odd\u00edl 5.3<\/td>\nOcel: \u22651,5 mm tlou\u0161\u0165ka pro pevn\u00e9 kryty, \u22652,0 mm pro sklopn\u00e9. Hlin\u00edk: \u22652,0 mm pevn\u00e9, \u22653,0 mm sklopn\u00e9. Plast: HDPE\/polykarbon\u00e1t \u22653,0 mm, odoln\u00fd proti n\u00e1razu.<\/td>\n<\/tr>\n
Typ spojovac\u00edho prvku<\/td>\nKOSHA M-45, odd\u00edl 5.4<\/td>\nPevn\u00e9 ochrann\u00e9 kryty: spojovac\u00ed prvky vy\u017eaduj\u00edc\u00ed pou\u017eit\u00ed n\u00e1stroje (\u0161rouby, matice). Ochrann\u00e9 kryty, kter\u00e9 je nutn\u00e9 \u010dasto otev\u00edrat: blokov\u00e1ny se zar\u00e1\u017ekou stroje \u2013 ne pouze uzam\u010deny visac\u00edm z\u00e1mkem.<\/td>\n<\/tr>\n
Inspek\u010dn\u00ed p\u0159\u00edstup<\/td>\n\u010cl. 87 z\u00e1kona OHSAS<\/td>\nOchrann\u00e9 kryty mus\u00ed b\u00fdt odn\u00edmateln\u00e9 nebo v\u00fdklopn\u00e9, aby umo\u017e\u0148ovaly kontrolu a maz\u00e1n\u00ed bez trval\u00e9 demont\u00e1\u017ee. P\u0159\u00edstupov\u00e9 panely jsou povoleny, pokud spl\u0148uj\u00ed v\u00fd\u0161e uveden\u00e9 po\u017eadavky na otvor.<\/td>\n<\/tr>\n
Ozna\u010dov\u00e1n\u00ed<\/td>\n\u010cl. 115 z\u00e1kona OHSAS<\/td>\nVarovn\u00fd \u0161t\u00edtek na obli\u010deji ochrann\u00e9ho krytu v korej\u0161tin\u011b a (pokud jsou p\u0159\u00edtomni zahrani\u010dn\u00ed pracovn\u00edci) v p\u0159\u00edslu\u0161n\u00e9m jazyce: \u201e\uc791\ub3d9 \uc911 \uc5f4\uc9c0 \ub9c8\uc2dc\uc624\u201c (Neotv\u00edrejte za provozu).<\/td>\n<\/tr>\n
Po\u017eadavek na propojen\u00ed<\/td>\nKOSHA M-45, odd\u00edl 6.2<\/td>\nOchrann\u00e9 kryty na pohonech s \u010dast\u00fdm p\u0159\u00edstupem pro zm\u011bny form\u00e1tu produktu mus\u00ed b\u00fdt propojeny se zastaven\u00edm stroje \u2013 otev\u0159en\u00ed ochrann\u00e9ho krytu spou\u0161t\u00ed zastaven\u00ed stroje a jeho zablokov\u00e1n\u00ed p\u0159ed mo\u017en\u00fdm p\u0159\u00edstupem.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Sm\u011brnice CE o strojn\u00edch za\u0159\u00edzen\u00edch 2006\/42\/ES: Po\u017eadavky na za\u0159\u00edzen\u00ed pro evropsk\u00fd trh<\/h2>\n

Ka\u017ed\u00fd stroj s \u0159et\u011bzov\u00fdm pohonem, kter\u00fd je uveden na evropsk\u00fd trh, vy\u017eaduje prohl\u00e1\u0161en\u00ed o shod\u011b CE podle sm\u011brnice o strojn\u00edch za\u0159\u00edzen\u00edch 2006\/42\/ES (nahrazeno na\u0159\u00edzen\u00edm EU 2023\/1230 pro za\u0159\u00edzen\u00ed uveden\u00e1 na trh od 20. ledna 2027). Samotn\u00e1 sm\u011brnice stanov\u00ed z\u00e1kladn\u00ed bezpe\u010dnostn\u00ed po\u017eadavky (p\u0159\u00edloha I); technick\u00e9 prost\u0159edky k spln\u011bn\u00ed t\u011bchto po\u017eadavk\u016f jsou specifikov\u00e1ny v harmonizovan\u00fdch norm\u00e1ch, z nich\u017e EN ISO 13857:2019 (Bezpe\u010dn\u00e9 vzd\u00e1lenosti) a EN ISO 14120:2015 (Ochrann\u00e9 kryty \u2013 Obecn\u00e9 po\u017eadavky) jsou nejv\u00edce pou\u017eiteln\u00e9 pro ochrann\u00e9 kryty \u0159et\u011bzov\u00fdch pohon\u016f.<\/p>\n

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EN ISO 13857 \u2013 Bezpe\u010dn\u00e9 vzd\u00e1lenosti<\/div>\n

Definuje minim\u00e1ln\u00ed vzd\u00e1lenost od nebezpe\u010dn\u00e9 z\u00f3ny k vn\u011bj\u0161\u00ed plo\u0161e ochrann\u00e9ho krytu v z\u00e1vislosti na velikosti otvoru v ochrann\u00e9m krytu. Tabulka 1 (horn\u00ed kon\u010detiny) definuje, \u017ee p\u0159i otvoru 6 mm m\u016f\u017ee b\u00fdt plocha ochrann\u00e9ho krytu 0 mm od nebezpe\u010dn\u00e9ho \u2013 kontaktn\u00edho ochrann\u00e9ho krytu. P\u0159i otvoru 30 mm mus\u00ed b\u00fdt plocha ochrann\u00e9ho krytu alespo\u0148 120 mm od nebezpe\u010dn\u00e9ho m\u00edsta. Tyto tabulky mus\u00ed b\u00fdt pou\u017eity u ka\u017ed\u00e9ho otvoru v ochrann\u00e9m krytu, v\u010detn\u011b v\u011btrac\u00edch \u0161t\u011brbin, otvor\u016f v s\u00edti a mezer pant\u016f.<\/p>\n<\/div>\n

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EN ISO 14120 \u2013 Konstrukce ochrann\u00fdch kryt\u016f<\/div>\n

Zahrnuje po\u017eadavky na mechanickou konstrukci pevn\u00fdch a pohybliv\u00fdch ochrann\u00fdch kryt\u016f. Kl\u00ed\u010dov\u00e1 ustanoven\u00ed: pevn\u00e9 ochrann\u00e9 kryty mus\u00ed vy\u017eadovat odstran\u011bn\u00ed pomoc\u00ed n\u00e1stroj\u016f; pohybliv\u00e9 ochrann\u00e9 kryty chr\u00e1n\u00edc\u00ed \u010dasto p\u0159\u00edstupn\u00e9 oblasti mus\u00ed b\u00fdt vz\u00e1jemn\u011b zaji\u0161t\u011bny (p\u0159\u00edloha F sm\u011brnice o strojn\u00edch za\u0159\u00edzen\u00edch); ochrann\u00e9 kryty nesm\u00ed vytv\u00e1\u0159et dal\u0161\u00ed nebezpe\u010d\u00ed (ostr\u00e9 hrany, geometrick\u00e9 tvary zp\u016fsobuj\u00edc\u00ed sev\u0159en\u00ed prst\u016f); a ochrann\u00e9 kryty mus\u00ed z\u016fstat na m\u00edst\u011b b\u011bhem rozumn\u011b p\u0159edv\u00eddateln\u00e9ho provozn\u00edho zneu\u017eit\u00ed, v\u010detn\u011b vibrac\u00ed z chr\u00e1n\u011bn\u00e9ho stroje.<\/p>\n<\/div>\n

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Po\u017eadavek na posouzen\u00ed rizik<\/div>\n

Na rozd\u00edl od normativn\u00edch norem OSHA vy\u017eaduje p\u0159\u00edstup CE posouzen\u00ed rizik (EN ISO 12100), kter\u00e9 identifikuje ka\u017ed\u00e9 nebezpe\u010d\u00ed, odhaduje jeho z\u00e1va\u017enost a pravd\u011bpodobnost a prokazuje, \u017ee ochrann\u00e1 opat\u0159en\u00ed sni\u017euj\u00ed zbytkov\u00e9 riziko na p\u0159ijatelnou \u00farove\u0148. Specifikace ochrann\u00e9ho krytu je v\u00fdsledkem posouzen\u00ed rizik, nikoli nez\u00e1visl\u00fdm po\u017eadavkem. Stroj s ozna\u010den\u00edm CE mus\u00ed ve sv\u00e9 technick\u00e9 dokumentaci obsahovat posouzen\u00ed rizik.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

OSHA 29 CFR 1910.219: Po\u017eadavky USA na za\u0159\u00edzen\u00ed pro mechanick\u00fd p\u0159enos energie<\/h2>\n

OSHA 29 CFR 1910.219 je americk\u00e1 norma pro mechanick\u00e1 za\u0159\u00edzen\u00ed pro p\u0159enos energie v pr\u016fmyslu. Je normativn\u00ed \u2013 specifikuje rozm\u011brov\u00e9 po\u017eadavky p\u0159\u00edmo, ani\u017e by vy\u017eadovala posouzen\u00ed rizik. Konkr\u00e9tn\u011b pro \u0159et\u011bzov\u00e9 pohony jsou kl\u00ed\u010dov\u00e9 po\u017eadavky:<\/p>\n

\"balen\u00ed<\/p>\n

    \n
  1. Kryt ochrann\u00e9ho krytu \u0159et\u011bzov\u00e9ho kola (1910.219(e)):<\/strong> V\u0161echna ozuben\u00e1 kola mus\u00ed b\u00fdt uzav\u0159ena, pokud nejsou um\u00edst\u011bna v\u00edce ne\u017e 2,13 m nad podlahou nebo pracovn\u00ed plochou. V takov\u00e9m p\u0159\u00edpad\u011b m\u016f\u017ee b\u00fdt ochrana provedena pouze \u010d\u00e1ste\u010dn\u00fdm uzav\u0159en\u00edm nebo bari\u00e9rou. Tato v\u00fdjimka pro v\u00fd\u0161ku se \u010dasto uplat\u0148uje nespr\u00e1vn\u011b \u2013 vztahuje se na ozuben\u00e9 kolo, nikoli na rozp\u011bt\u00ed \u0159et\u011bzu pod 2,1 metru. Pohon s ozuben\u00fdm kolem ve v\u00fd\u0161ce 2,4 metru, ale \u0159et\u011bzem sahaj\u00edc\u00edm a\u017e do 1,2 metru, vy\u017eaduje ochranu rozp\u011bt\u00ed \u0159et\u011bzu, i kdy\u017e je samotn\u00e9 ozuben\u00e9 kolo z t\u00e9to ochrany vy\u0148ato.<\/li>\n
  2. Rozm\u011bry ochrann\u00e9ho krytu (1910.219(e)(3)):<\/strong> Ochrann\u00e9 kryty mus\u00ed p\u0159esahovat alespo\u0148 152 mm (6 palc\u016f) za \u010deln\u00ed plochu \u0159et\u011bzov\u00e9ho kola. U \u0159et\u011bzov\u00fdch pohon\u016f mus\u00ed ochrann\u00fd kryt zakr\u00fdvat tak\u00e9 rozp\u011bt\u00ed \u0159et\u011bzu na napnut\u00e9 i voln\u00e9 stran\u011b. Plechov\u00e9 kryty mus\u00ed m\u00edt tlou\u0161\u0165ku alespo\u0148 1,2 mm (0,0478 palce); kryty z dr\u00e1t\u011bn\u00e9ho pletiva mus\u00ed b\u00fdt vyrobeny z dr\u00e1tu o pr\u016fm\u011bru 10 nebo siln\u011bj\u0161\u00edho s maxim\u00e1ln\u00ed velikost\u00ed ok 1 palec (1 palec).<\/li>\n
  3. Olejot\u011bsn\u00e1 konstrukce (1910.219(e)(4)):<\/strong> Ochrann\u00e9 kryty \u0159et\u011bzov\u00fdch pohon\u016f u za\u0159\u00edzen\u00ed, kde se pou\u017e\u00edv\u00e1 olejov\u00e9 maz\u00e1n\u00ed, mus\u00ed b\u00fdt navr\u017eeny tak, aby zadr\u017eovaly olej \u2013 kryt funguje jako kryt proti st\u0159\u00edkaj\u00edc\u00edmu oleji v syst\u00e9mech mazan\u00fdch olejovou l\u00e1zn\u00ed. Tento po\u017eadavek znamen\u00e1, \u017ee ploch\u00e9 plechov\u00e9 ochrann\u00e9 kryty s otev\u0159en\u00fdmi spodn\u00edmi okraji nespl\u0148uj\u00ed po\u017eadavky pro pohony s olejovou l\u00e1zn\u00ed.<\/li>\n
  4. P\u0159\u00edstup bez nutnosti odstran\u011bn\u00ed (1910.219(f)):<\/strong> Ochrann\u00e9 kryty mus\u00ed umo\u017e\u0148ovat maz\u00e1n\u00ed a kontrolu bez nutnosti jejich \u00fapln\u00e9 demont\u00e1\u017ee. V\u00fdklopn\u00e9 p\u0159\u00edstupov\u00e9 panely nebo otvory pro pln\u011bn\u00ed oleje v pevn\u00fdch ochrann\u00fdch krytech jsou v\u00fdslovn\u011b povoleny, pokud p\u0159\u00edstupov\u00fd bod spl\u0148uje rozm\u011brov\u00e9 po\u017eadavky na otvory pro ochrann\u00e9 kryty.<\/li>\n<\/ol>\n
    \n\n\n\n\n\n\n\n
    Norma<\/th>\nP\u0159\u00edstup<\/th>\nMinim\u00e1ln\u00ed tlou\u0161\u0165ka oceli<\/th>\nPravidlo clony<\/th>\nV\u00fdjimka z v\u00fd\u0161ky<\/th>\nJe nutn\u00e9 propojen\u00ed?<\/th>\n<\/tr>\n<\/thead>\n
    KO\u0160A M-45<\/td>\nPreskriptivn\u00ed + zalo\u017een\u00e9 na riziku<\/td>\n1,5 mm pevn\u00e9, 2,0 mm sklopn\u00e9<\/td>\nDle tabulky KS B ISO 13857<\/td>\n2,0 m (6,6 stop)<\/td>\nAno, pro str\u00e1\u017ee s \u010dast\u00fdm p\u0159\u00edstupem<\/td>\n<\/tr>\n
    CE\/EN ISO 14120<\/td>\nZalo\u017eeno na posouzen\u00ed rizik<\/td>\nZ\u00e1le\u017e\u00ed na posouzen\u00ed rizik<\/td>\nDle tabulky EN ISO 13857<\/td>\n2,5 m (8,2 stopy, n\u00edzk\u00e9 riziko)<\/td>\nAno, dle posouzen\u00ed rizik<\/td>\n<\/tr>\n
    OSHA 1910.219<\/td>\nPreskriptivn\u00ed dimenzion\u00e1ln\u00ed<\/td>\n1,2 mm (0,0478 palce)<\/td>\nMax. 25 mm (1 palec) pro s\u00ed\u0165ov\u00e9 ochrann\u00e9 kryty<\/td>\n2,13 m (7 stop)<\/td>\nDoporu\u010deno, ale nespecifikov\u00e1no<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    <\/p>\n

    Typy ochrann\u00fdch kryt\u016f pro \u0159et\u011bzov\u00e9 pohony: Kter\u00fd typ pro kterou situaci<\/h2>\n

    \"\"<\/p>\n

    Pevn\u00e9 ochrann\u00e9 kryty cel\u00e9ho krytu<\/strong> jsou v\u00fdchoz\u00ed specifikac\u00ed pro \u0159et\u011bzov\u00e9 pohony bez nutnosti \u00fadr\u017eby \u010dast\u011bji ne\u017e \u010dtvrtletn\u011b. Jsou vyrobeny z ocelov\u00e9ho plechu (1,5\u20132,0 mm) a pln\u011b uzav\u00edraj\u00ed ob\u011b ozuben\u00e1 kola a rozp\u011bt\u00ed \u0159et\u011bzu ze v\u0161ech stran. P\u0159\u00edstup je zaji\u0161t\u011bn pomoc\u00ed \u0161roubovan\u00e9ho panelu nebo v\u00fdklopn\u00fdch dve\u0159\u00ed s upev\u0148ovac\u00edmi prvky vy\u017eaduj\u00edc\u00edmi n\u00e1stroj. Jedn\u00e1 se o nejkompatibiln\u011bj\u0161\u00ed typ krytu s nejni\u017e\u0161\u00edmi n\u00e1roky na \u00fadr\u017ebu. Nev\u00fdhodou je, \u017ee p\u0159\u00edstup k mazac\u00edmu za\u0159\u00edzen\u00ed vy\u017eaduje bu\u010f vestav\u011bn\u00e9 mazac\u00ed body (armatura na vn\u011bj\u0161\u00ed stran\u011b krytu, kter\u00e1 sm\u011bruje olej k \u0159et\u011bzu vnit\u0159n\u00edmi pr\u016fchody), nebo \u010d\u00e1ste\u010dnou demont\u00e1\u017e p\u0159i ka\u017ed\u00e9m maz\u00e1n\u00ed.<\/p>\n

    V\u00fdklopn\u00e9 a vz\u00e1jemn\u011b propojen\u00e9 ochrann\u00e9 kryty<\/strong> jsou vy\u017eadov\u00e1ny, kdy\u017e pohon vy\u017eaduje p\u0159\u00edstup v\u00edce ne\u017e \u010dtvrtletn\u011b \u2013 zm\u011bny form\u00e1tu, \u010dast\u00e1 kontrola \u0159et\u011bzu nebo servis syst\u00e9mu automatick\u00e9ho maz\u00e1n\u00ed. Blokov\u00e1n\u00ed mus\u00ed zajistit, aby stroj dos\u00e1hl bezpe\u010dn\u00e9ho stavu (zastaven\u00ed a zablokov\u00e1n\u00ed) p\u0159ed otev\u0159en\u00edm ochrann\u00e9ho krytu. U \u0159et\u011bzov\u00fdch pohon\u016f s rychlost\u00ed \u0159et\u011bzu nad 3 m\/s mus\u00ed blokov\u00e1n\u00ed tak\u00e9 obsahovat zpo\u017ed\u011bn\u00e9 uvoln\u011bn\u00ed \u2013 ochrann\u00fd kryt se nem\u016f\u017ee otev\u0159\u00edt, dokud \u0159et\u011bz nezpomal\u00ed pod nebezpe\u010dnou rychlost (co\u017e m\u016f\u017ee u pohon\u016f s vysokou setrva\u010dnost\u00ed trvat n\u011bkolik sekund). Tento po\u017eadavek na zpo\u017ed\u011bn\u00ed se u konstrukc\u00ed ochrann\u00fdch kryt\u016f pro vysokorychlostn\u00ed \u0159et\u011bzov\u00e9 pohony \u010dasto opom\u00edj\u00ed a je b\u011b\u017enou mezerou v souladu s normami CE.<\/p>\n

    Bari\u00e9rov\u00e9 \u200b\u200bstr\u00e1\u017ee<\/strong> (otev\u0159en\u00e1 s\u00ed\u0165ovina nebo perforovan\u00fd plech) lze pou\u017e\u00edt, pokud nebezpe\u010d\u00ed p\u0159edstavuje sp\u00ed\u0161e zamot\u00e1n\u00ed ne\u017e n\u00e1raz a pokud nen\u00ed vy\u017eadov\u00e1na izolace oleje. Dr\u00e1t\u011bn\u00e9 ochrann\u00e9 pletivo s maxim\u00e1ln\u00edm otvorem 25 mm jsou povoleny podle OSHA 1910.219 a KS B ISO 13857 ve spr\u00e1vn\u00e9 bezpe\u010dn\u00e9 vzd\u00e1lenosti. Dr\u00e1t\u011bn\u00e9 ochrann\u00e9 pletivo m\u00e1 tu v\u00fdhodu, \u017ee umo\u017e\u0148uje vizu\u00e1ln\u00ed kontrolu \u0159et\u011bzu bez otev\u00edr\u00e1n\u00ed krytu \u2013 \u00fadr\u017eb\u00e1\u0159 m\u016f\u017ee vizu\u00e1ln\u011b sledovat stav \u0159et\u011bzu, maz\u00e1n\u00ed a prodlou\u017een\u00ed, ne\u017e rozhodne, zda je t\u0159eba kryt otev\u0159\u00edt. Tato v\u00fdhoda viditelnosti p\u0159i \u00fadr\u017eb\u011b \u010din\u00ed s\u00ed\u0165ov\u00e9 ochrann\u00e9 pletivo u\u017eite\u010dn\u00fdm u vysokocyklov\u00fdch pohon\u016f, kde je frekvence kontrol vysok\u00e1.<\/p>\n

    Distan\u010dn\u00ed ochrann\u00e9 z\u00e1brany (bari\u00e9ry)<\/strong> jsou p\u0159ijateln\u00e9 pouze za specifick\u00fdch podm\u00ednek: \u0159et\u011bzov\u00fd pohon mus\u00ed b\u00fdt zvednut o v\u00edce ne\u017e p\u0159\u00edslu\u0161n\u00fd v\u00fd\u0161kov\u00fd limit (2,0 m pro KOSHA, 2,5 m pro CE, 2,13 m pro OSHA) a bari\u00e9ra mus\u00ed br\u00e1nit p\u0159ibl\u00ed\u017een\u00ed do vypo\u010d\u00edtan\u00e9 bezpe\u010dn\u00e9 vzd\u00e1lenosti pro pou\u017eitou velikost otvoru. Ochrann\u00e9 kryty ve zv\u00fd\u0161en\u00e9 v\u00fd\u0161ce jsou nejm\u00e9n\u011b technicky n\u00e1ro\u010dn\u00fdm \u0159e\u0161en\u00edm pro pohony nadzemn\u00edch dopravn\u00edk\u016f, kde je \u0159et\u011bzov\u00fd tok zcela nad pracovn\u00ed plochou. Nejsou p\u0159ijateln\u00e9 pro pohony v pracovn\u00ed v\u00fd\u0161ce, kolem kter\u00fdch obsluha b\u011b\u017en\u011b proch\u00e1z\u00ed.<\/p>\n

    <\/p>\n

    Sedm nej\u010dast\u011bj\u0161\u00edch nedostatk\u016f v ochrann\u00fdch za\u0159\u00edzen\u00edch zji\u0161t\u011bn\u00fdch b\u011bhem inspekc\u00ed korejsk\u00e9ho MOEL<\/h2>\n
    \n
    \n
    1<\/div>\n
    Ochrann\u00fd kryt byl kv\u016fli \u00fadr\u017eb\u011b odstran\u011bn a nebyl vym\u011bn\u011bn.<\/strong><\/p>\n

    Ochrann\u00e9 kryty odstran\u011bny kv\u016fli maz\u00e1n\u00ed nebo kontrole a nebyly znovu nainstalov\u00e1ny p\u0159ed obnoven\u00edm provozu. Po\u017eadovan\u00e9 n\u00e1pravn\u00e9 opat\u0159en\u00ed: zdokumentov\u00e1n a pro\u0161kolen syst\u00e9m blokovac\u00edch ochrann\u00fdch kryt\u016f nebo form\u00e1ln\u00ed postup blokov\u00e1n\u00ed\/ozna\u010dov\u00e1n\u00ed.<\/p>\n<\/div>\n<\/div>\n

    \n
    2<\/div>\n
    Kryt kryje pouze pastorek \u2013 \u0159et\u011bz je odkryt\u00fd.<\/strong><\/p>\n

    Ochrann\u00e9 kryty pouze pro ozuben\u00e1 kola, kter\u00e9 ponech\u00e1vaj\u00ed rozte\u010d \u0159et\u011bzu mezi ozuben\u00fdmi koly nechr\u00e1n\u011bnou. To nen\u00ed v souladu se v\u0161emi t\u0159emi normami recenzovan\u00fdmi v tomto \u010dl\u00e1nku \u2013 rozte\u010d \u0159et\u011bzu mezi ozuben\u00fdmi koly je nebezpe\u010dn\u00e1 z\u00f3na rovnaj\u00edc\u00ed se bodu sev\u0159en\u00ed ozuben\u00e9ho kola.<\/p>\n<\/div>\n<\/div>\n

    \n
    3<\/div>\n
    Velikost otvoru je p\u0159\u00edli\u0161 velk\u00e1 vzhledem k vzd\u00e1lenosti mezi ochrann\u00fdm krytem a nebezpe\u010dn\u00fdm m\u00edstem.<\/strong><\/p>\n

    Ochrann\u00e9 kryty vyroben\u00e9 s oky nebo \u0161t\u011brbinami, kter\u00e9 p\u0159esahuj\u00ed bezpe\u010dnou velikost pro vzd\u00e1lenost od nebezpe\u010dn\u00e9 z\u00f3ny. Ochrann\u00fd kryt 150 mm od \u0159et\u011bzu s okem o velikosti 40 mm nespl\u0148uje po\u017eadavek normy EN ISO 13857 \/ KS B ISO 13857 Tabulka 1 (otvor 40 mm vy\u017eaduje minim\u00e1ln\u00ed vzd\u00e1lenost 200 mm).<\/p>\n<\/div>\n<\/div>\n

    \n
    4<\/div>\n
    P\u0159\u00edli\u0161 tenk\u00fd plech \u2013 deformovan\u00fd i drobn\u00fdm n\u00e1razem a zanech\u00e1vaj\u00edc\u00ed mezery.<\/strong><\/p>\n

    Ochrann\u00e9 kryty vyroben\u00e9 z ocelov\u00e9ho plechu o tlou\u0161\u0165ce 0,8 mm nebo 1,0 mm, kter\u00e9 byly deformov\u00e1ny n\u00e1hodn\u00fdm kontaktem s materi\u00e1ly nebo za\u0159\u00edzen\u00edm, \u010d\u00edm\u017e vznikly mezery na okraj\u00edch ochrann\u00fdch kryt\u016f. Norma KOSHA M-45 specifikuje minim\u00e1ln\u00ed tlou\u0161\u0165ku 1,5 mm pro pevn\u00e9 ochrann\u00e9 kryty \u2013 nikoli z konstruk\u010dn\u00edch d\u016fvod\u016f, ale proto, \u017ee si tato tlou\u0161\u0165ka zachov\u00e1v\u00e1 sv\u016fj tvar i p\u0159i b\u011b\u017en\u00e9m pr\u016fmyslov\u00e9m pou\u017e\u00edv\u00e1n\u00ed.<\/p>\n<\/div>\n<\/div>\n

    \n
    5<\/div>\n
    \u017d\u00e1dn\u00e9 blokov\u00e1n\u00ed u pravideln\u011b otev\u00edran\u00fdch ochrann\u00fdch kryt\u016f.<\/strong><\/p>\n

    Ochrann\u00e9 kryty, kter\u00e9 vy\u017eaduj\u00ed otev\u0159en\u00ed pro zm\u011bny form\u00e1tu, kter\u00e9 se otev\u00edraj\u00ed za chodu stroje nebo bez zdokumentovan\u00e9ho postupu blokov\u00e1n\u00ed. Detekov\u00e1ny v balic\u00edch link\u00e1ch, st\u00e1\u010dec\u00edch syst\u00e9mech a pohonech dopravn\u00edk\u016f, kde zm\u011bny form\u00e1tu prov\u00e1d\u011bj\u00ed oper\u00e1to\u0159i, kte\u0159\u00ed zjistili, \u017ee postup otev\u0159en\u00ed ochrann\u00e9ho krytu\/spu\u0161t\u011bn\u00ed stroje je rychlej\u0161\u00ed.<\/p>\n<\/div>\n<\/div>\n

    \n
    6<\/div>\n
    Ochrann\u00e9 kryty na vyv\u00fd\u0161en\u00fdch pohonech nezohled\u0148uj\u00ed men\u0161\u00ed rozp\u011bt\u00ed \u0159et\u011bzu.<\/strong><\/p>\n

    Nadzemn\u00ed dopravn\u00edky, kde je \u0159et\u011bzov\u00e9 kolo nad prahovou v\u00fd\u0161kou, ale rozp\u011bt\u00ed \u0159et\u011bzu vis\u00ed dol\u016f do dosahu pracovn\u00edk\u016f \u2013 v\u00fdjimka z v\u00fd\u0161ky se vztahuje na nebezpe\u010dnou z\u00f3nu, nikoli na v\u00fd\u0161ku st\u0159edu \u0159et\u011bzov\u00e9ho kola.<\/p>\n<\/div>\n<\/div>\n

    \n
    7<\/div>\n
    \u017d\u00e1dn\u00e9 v\u00fdstra\u017en\u00e9 \u0161t\u00edtky na ochrann\u00fdch ploch\u00e1ch.<\/strong><\/p>\n

    Ochrann\u00e9 kryty instalovan\u00e9 bez po\u017eadovan\u00e9ho varovn\u00e9ho textu v korej\u0161tin\u011b. Podle \u010dl\u00e1nku 115 z\u00e1kona OSHSA mus\u00ed rota\u010dn\u00ed ochrann\u00e9 kryty stroj\u016f obsahovat varov\u00e1n\u00ed p\u0159ed otev\u00edr\u00e1n\u00edm b\u011bhem provozu. Piktografick\u00e9 \u0161t\u00edtky (nikoli textov\u00e9) dle normy ISO 11684 jsou rovn\u011b\u017e p\u0159ijateln\u00e9 a jazykov\u011b neutr\u00e1ln\u00ed \u2013 vhodn\u00e9 pro pracovn\u00edky hovo\u0159\u00edc\u00ed r\u016fzn\u00fdmi jazyky.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

    <\/p>\n

    \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
    \nVy\u017eaduje \u0159et\u011bzov\u00fd pohon, kter\u00fd d\u0159\u00edve spl\u0148oval po\u017eadavky ochrany, p\u0159ehodnocen\u00ed, pokud je nainstalov\u00e1n nov\u00fd \u0159et\u011bz nebo \u0159et\u011bzov\u00e9 kolo?<\/summary>\n
    Podle po\u017eadavk\u016f korejsk\u00e9 sm\u011brnice OSHSA a sm\u011brnice CE pro strojn\u00ed za\u0159\u00edzen\u00ed mus\u00ed zm\u011bna pohonu, kter\u00e1 m\u011bn\u00ed jeho profil mechanick\u00e9ho nebezpe\u010d\u00ed, v\u00e9st k op\u011btovn\u00e9mu posouzen\u00ed dostate\u010dnosti ochrann\u00e9ho krytu. Instalace v\u011bt\u0161\u00edho ozuben\u00e9ho kola (zm\u011bna vn\u011bj\u0161\u00edho pr\u016fm\u011bru ozuben\u00e9ho kola) m\u016f\u017ee zmen\u0161it v\u016fli mezi vnit\u0159n\u00edm povrchem ochrann\u00e9ho krytu a \u010deln\u00ed plochou ozuben\u00e9ho kola \u2013 co\u017e m\u016f\u017ee v\u00e9st k vytvo\u0159en\u00ed st\u0159i\u017en\u00e9ho bodu mezi ochrann\u00fdm krytem a rotuj\u00edc\u00edm ozuben\u00fdm kolem. P\u0159i objedn\u00e1vce n\u00e1hradn\u00ed ozuben\u00e1 kola s jin\u00fdm po\u010dtem zub\u016f nebo konfigurac\u00ed otvoru<\/a>P\u0159ed instalac\u00ed ov\u011b\u0159te nov\u00fd vn\u011bj\u0161\u00ed pr\u016fm\u011br oproti st\u00e1vaj\u00edc\u00ed v\u016fli ochrann\u00e9ho krytu. Zm\u011bna rozte\u010de \u0159et\u011bzu nebo rychlosti tak\u00e9 ovliv\u0148uje kinetickou energii jak\u00e9hokoli potenci\u00e1ln\u011b vymr\u0161t\u011bn\u00e9ho \u00falomku, co\u017e m\u016f\u017ee vy\u017eadovat zv\u00fd\u0161en\u00ed konstruk\u010dn\u00edch vlastnost\u00ed ochrann\u00e9ho krytu. V praxi p\u0159\u00edm\u00e1 v\u00fdm\u011bna opot\u0159ebovan\u00e9ho \u0159et\u011bzu a \u0159et\u011bzov\u00fdch kol za komponenty s identickou specifikac\u00ed nevede k op\u011btovn\u00e9mu posouzen\u00ed \u2013 pouze ke zm\u011bn\u00e1m specifikac\u00ed, kter\u00e9 m\u011bn\u00ed parametry mechanick\u00e9ho nebezpe\u010d\u00ed.<\/div>\n<\/details>\n
    \nLze pou\u017e\u00edt polykarbon\u00e1tov\u00e9 nebo pr\u016fhledn\u00e9 plastov\u00e9 kryty m\u00edsto ocelov\u00fdch, aby bylo mo\u017en\u00e9 prov\u00e9st vizu\u00e1ln\u00ed kontrolu bez nutnosti otev\u00edr\u00e1n\u00ed?<\/summary>\n
    Ano \u2013 kryty z polykarbon\u00e1tu a HDPE odoln\u00e9 proti n\u00e1razu jsou povoleny podle normy KOSHA M-45 (minim\u00e1ln\u00ed tlou\u0161\u0165ka 3,0 mm) a CE\/EN ISO 14120. V\u00fdhoda pr\u016fhledn\u00fdch kryt\u016f, kter\u00e1 spo\u010d\u00edv\u00e1 v lep\u0161\u00ed viditelnosti z hlediska \u00fadr\u017eby, je skute\u010dn\u00e1 a cenn\u00e1 \u2013 technici \u00fadr\u017eby mohou vizu\u00e1ln\u011b kontrolovat stav \u0159et\u011bzu, maz\u00e1n\u00ed a se\u0159\u00edzen\u00ed bez nutnosti demont\u00e1\u017ee. Hlavn\u00ed omezen\u00ed jsou: polykarbon\u00e1t nen\u00ed vhodn\u00fd pro prost\u0159ed\u00ed s rozst\u0159ikem oleje (olej zp\u016fsobuje prask\u00e1n\u00ed a rychlou ztr\u00e1tu nepr\u016fhlednosti), pro prost\u0159ed\u00ed s obsahem rozpou\u0161t\u011bdel (v\u011bt\u0161ina rozpou\u0161t\u011bdel napad\u00e1 polykarbon\u00e1t) nebo pro zv\u00fd\u0161en\u00e9 teploty nad 120 \u00b0C. Pro prost\u0159ed\u00ed s oplachov\u00e1n\u00edm v potravin\u00e1\u0159sk\u00e9m pr\u016fmyslu je povolen a prakticky pou\u017eiteln\u00fd polykarbon\u00e1t s dostate\u010dnou tlou\u0161\u0165kou (5+ mm) v potravin\u00e1\u0159sk\u00e9 kvalit\u011b. Zkontrolujte, zda je specifikovan\u00fd typ polykarbon\u00e1tu odoln\u00fd proti n\u00e1razu p\u0159i minim\u00e1ln\u00ed teplot\u011b instalace \u2013 standardn\u00ed \u010dir\u00fd polykarbon\u00e1t k\u0159ehne pod -5 \u00b0C.<\/div>\n<\/details>\n
    \nVztahuje se po\u017eadavek na ochranu \u0159et\u011bzu na dopravn\u00edky poh\u00e1n\u011bn\u00e9 \u0159et\u011bzem, u kter\u00fdch je \u0159et\u011bz dopravn\u00ed plochou a je nutn\u011b odkryt\u00fd?<\/summary>\n
    Dopravn\u00ed plochy, kde je \u0159et\u011bz z\u00e1m\u011brn\u011b p\u0159\u00edstupn\u00fd pro umis\u0165ov\u00e1n\u00ed a odeb\u00edr\u00e1n\u00ed produktu, nemus\u00ed b\u00fdt pod\u00e9l p\u0159epravn\u00ed dr\u00e1hy produktu chr\u00e1n\u011bny \u2013 ochrann\u00e1 clona t\u00e9to \u010d\u00e1sti by znemo\u017enila funkci dopravn\u00edku. Hnac\u00ed ozuben\u00e1 kola, vratn\u00e9 \u0159et\u011bzov\u00e9 dr\u00e1hy, nap\u00edna\u010de a koncov\u00e9 konce dopravn\u00edku v\u0161ak mus\u00ed b\u00fdt i tak chr\u00e1n\u011bny. Praktick\u00fd po\u017eadavek je: (1) chr\u00e1n\u011bna v\u0161echna ozuben\u00e1 kola a \u010d\u00e1sti \u0159et\u011bzu, kter\u00e9 nejsou pot\u0159eba pro manipulaci s produktem; (2) na vstupn\u00edm a v\u00fdstupn\u00edm konci, kde jsou ruce obsluhy bl\u00edzko \u0159et\u011bzu, jsou nutn\u00e9 ochrann\u00e9 prvky proti sev\u0159en\u00ed, kter\u00e9 zabra\u0148uj\u00ed vsunut\u00ed rukou za z\u00f3nu p\u0159enosu produktu; (3) p\u0159\u00edstupov\u00e9 otvory v r\u00e1mech dopravn\u00edku, kter\u00e9 umo\u017e\u0148uj\u00ed p\u0159\u00edstup k vratn\u00e9 \u0159et\u011bzov\u00e9 dr\u00e1ze zespodu, mus\u00ed b\u00fdt chr\u00e1n\u011bny nebo opat\u0159eny z\u00e1branami. Kl\u00ed\u010dov\u00fdm faktorem v ka\u017ed\u00e9m konkr\u00e9tn\u00edm p\u0159\u00edpad\u011b je rozli\u0161en\u00ed mezi \u201efunk\u010dn\u00ed expozic\u00ed pot\u0159ebnou pro provoz\u201c a \u201enebezpe\u010dnou z\u00f3nou vystavenou riziku bez provozn\u00ed nutnosti\u201c.<\/div>\n<\/details>\n
    \nJak\u00e1 dokumentace je vy\u017eadov\u00e1na k prok\u00e1z\u00e1n\u00ed shody s bezpe\u010dnostn\u00edmi opat\u0159en\u00edmi b\u011bhem inspekce KOSHA nebo MOEL?<\/summary>\n
    U strojn\u00edch za\u0159\u00edzen\u00ed podl\u00e9haj\u00edc\u00edch korejsk\u00fdm po\u017eadavk\u016fm OSHSA je minim\u00e1ln\u00ed dokumentac\u00ed pro prok\u00e1z\u00e1n\u00ed souladu s ochrann\u00fdmi kryty tato: (1) z\u00e1znam o identifikaci nebezpe\u010d\u00ed s uveden\u00edm ka\u017ed\u00e9 rotuj\u00edc\u00ed sou\u010d\u00e1sti a jej\u00edho ochrann\u00e9ho opat\u0159en\u00ed; (2) v\u00fdkresy nebo specifikace ochrann\u00fdch kryt\u016f potvrzuj\u00edc\u00ed tlou\u0161\u0165ku materi\u00e1lu a rozm\u011bry otvor\u016f; (3) z\u00e1znamy o kontrol\u00e1ch prokazuj\u00edc\u00ed, \u017ee ochrann\u00e9 kryty jsou kontrolov\u00e1ny p\u0159i ka\u017ed\u00e9 pravideln\u00e9 bezpe\u010dnostn\u00ed kontrole (obvykle ro\u010dn\u011b). U za\u0159\u00edzen\u00ed s ozna\u010den\u00edm CE pou\u017e\u00edvan\u00fdch v korejsk\u00fdch za\u0159\u00edzen\u00edch je jako d\u016fkaz shody s konstrukc\u00ed ochrann\u00fdch kryt\u016f p\u0159ijateln\u00e9 prohl\u00e1\u0161en\u00ed EU o shod\u011b (v\u010detn\u011b harmonizovan\u00fdch norem pou\u017eit\u00fdch pro ochrann\u00e9 kryty), ale korejsk\u00e9 za\u0159\u00edzen\u00ed je st\u00e1le zodpov\u011bdn\u00e9 za zaji\u0161t\u011bn\u00ed toho, aby ochrann\u00e9 kryty z\u016fstaly na m\u00edst\u011b a \u00fa\u010dinn\u00e9 b\u011bhem provozu \u2013 ozna\u010den\u00ed CE prokazuje, \u017ee za\u0159\u00edzen\u00ed bylo bezpe\u010dn\u00e9 v dodan\u00e9m stavu, nikoli to, \u017ee z\u016fst\u00e1v\u00e1 bezpe\u010dn\u00e9 v sou\u010dasn\u00e9m provozn\u00edm stavu.<\/div>\n<\/details>\n

    <\/p>\n

    \n
    \n
    KS\/KOSHA<\/div>\n
    Sm\u011brnice CE pro strojn\u00ed za\u0159\u00edzen\u00ed<\/div>\n
    OSHA 1910.219<\/div>\n<\/div>\n

    Pot\u0159ebujete technickou dokumentaci k \u0159et\u011bz\u016fm a ozuben\u00fdm kol\u016fm pro \u00fa\u010dely z\u00e1znam\u016f o shod\u011b?<\/h2>\n

    Dod\u00e1v\u00e1me certifik\u00e1ty materi\u00e1l\u016f, dokumentaci o rozm\u011brov\u00e9 shod\u011b a technick\u00e9 listy pro na\u0161e \u0159et\u011bzy a ozuben\u00e1 kola na podporu z\u00e1znam\u016f o shod\u011b s normami KOSHA, CE a OSHA. Kontaktujte n\u00e1s s va\u0161imi po\u017eadavky na dokumentaci.<\/p>\n

    Proch\u00e1zet sortiment \u0159et\u011bz\u016f a ozuben\u00fdch kol<\/a>
    \n    Vy\u017e\u00e1dat technickou dokumentaci<\/a><\/div>\n<\/div>\n<\/div>\n

    St\u0159iha\u010d: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

    KS\/KOSHA CE \u00b7 Sm\u011brnice pro strojn\u00ed za\u0159\u00edzen\u00ed OSHA 1910.219 Bezpe\u010dnostn\u00ed kryty pro \u0159et\u011bzov\u00e9 pohony: Co korejsk\u00e9 normy, normy CE a OSHA skute\u010dn\u011b vy\u017eaduj\u00ed Z\u00e1znamy o pracovn\u00edch nehod\u00e1ch d\u016fsledn\u011b ukazuj\u00ed, \u017ee zamot\u00e1n\u00ed \u0159et\u011bzu a \u0159emene v m\u00edst\u011b sev\u0159en\u00ed je jednou z hlavn\u00edch p\u0159\u00ed\u010din zran\u011bn\u00ed horn\u00edch kon\u010detin ve v\u00fdrob\u011b. Po\u017eadavky na kryty jsou specifick\u00e9, zdokumentovan\u00e9 a vymahateln\u00e9 \u2013 a nej\u010dast\u011bj\u0161\u00ed chyby ve specifikaci kryt\u016f [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6634],"tags":[78,69],"class_list":["post-3319","post","type-post","status-publish","format-standard","hentry","category-chain-sprocket","tag-chain-sprocket","tag-sprocket-china"],"_links":{"self":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3319","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/comments?post=3319"}],"version-history":[{"count":2,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3319\/revisions"}],"predecessor-version":[{"id":3321,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3319\/revisions\/3321"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/media?parent=3319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/categories?post=3319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/tags?post=3319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}