{"id":3364,"date":"2026-05-14T05:26:52","date_gmt":"2026-05-14T05:26:52","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3364"},"modified":"2026-05-14T05:28:40","modified_gmt":"2026-05-14T05:28:40","slug":"anatomy-of-a-sprocket-tooth-profile-hub-types-and-material-selection","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/cs\/anatomy-of-a-sprocket-tooth-profile-hub-types-and-material-selection\/","title":{"rendered":"Anatomie ozuben\u00e9ho kola: profil zubu, typy n\u00e1boj\u016f a v\u00fdb\u011br materi\u00e1lu"},"content":{"rendered":"
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Anatomie ozuben\u00e9ho kola: profil zubu, typy n\u00e1boj\u016f a v\u00fdb\u011br materi\u00e1lu<\/h1>\n

\u0160patn\u00e1 konfigurace n\u00e1boje stoj\u00ed v\u00edce \u010dasu ne\u017e \u0161patn\u00e1 velikost otvoru \u2013 a \u0161patn\u00fd profil zubu v\u00e1s stoj\u00ed cel\u00fd hnac\u00ed syst\u00e9m. Tato p\u0159\u00edru\u010dka se zab\u00fdv\u00e1 ka\u017ed\u00fdm konstruk\u010dn\u00edm prvkem \u0159et\u011bzov\u00e9ho kola a p\u0159esn\u011b t\u00edm, jak ka\u017ed\u00fd z nich ovliv\u0148uje v\u00fdkon a \u017eivotnost.<\/p>\n

Vy\u017e\u00e1dejte si specifikaci zak\u00e1zkov\u00e9ho otvoru<\/a><\/p>\n<\/div>\n<\/div>\n

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N\u00e1kupn\u00ed technik ve vietnamsk\u00e9m z\u00e1vod\u011b na zpracov\u00e1n\u00ed potravin objednal v polovin\u011b roku 2024 n\u00e1hradn\u00ed ozuben\u00e1 kola a specifikoval je podle rozte\u010de a po\u010dtu zub\u016f \u2013 oboj\u00ed bylo spr\u00e1vn\u011b. Nespecifikovala v\u0161ak rozm\u011br p\u0159esahu n\u00e1boje. Nov\u00e1 ozuben\u00e1 kola dorazila s n\u00e1bojem typu B, zat\u00edmco p\u016fvodn\u00ed m\u011bla n\u00e1boj typu C, co\u017e posunulo \u010deln\u00ed plochu ozuben\u00e9ho kola o 22 mm vzhledem k r\u00e1mu. \u0158et\u011bz se t\u0159i t\u00fddny nakl\u00e1n\u011bl pod \u00fahlem, ne\u017e \u00fadr\u017eb\u00e1\u0159sk\u00fd t\u00fdm diagnostikoval probl\u00e9m. N\u00e1kladem byl p\u0159ed\u010dasn\u011b opot\u0159ebovan\u00fd \u0159et\u011bz a sada ozuben\u00fdch kol, kter\u00e1 nebylo mo\u017en\u00e9 pou\u017e\u00edt. Tomuto v\u00fdsledku lze p\u0159edej\u00edt, pokud pochop\u00edme, co konfigurace n\u00e1boje skute\u010dn\u011b \u0159\u00edd\u00ed a pro\u010d je d\u016fle\u017eit\u00e1.<\/p>\n

A ozuben\u00e9 kolo<\/strong> m\u00e1 \u010dty\u0159i odli\u0161n\u00e9 struktur\u00e1ln\u00ed z\u00f3ny \u2013 profil zubu, kotou\u010d nebo r\u00e1fek, n\u00e1boj a otvor \u2013 a ka\u017ed\u00e1 z nich je specifikov\u00e1na samostatn\u011b. Nejv\u011bt\u0161\u00ed pozornost se v\u011bnuje rozte\u010di a po\u010dtu zub\u016f, ale typ n\u00e1boje a p\u0159\u00edprava otvoru jsou m\u00edstem, kde vznik\u00e1 v\u011bt\u0161ina chyb p\u0159i instalaci a p\u0159ed\u010dasn\u00fdch poruch. Systematick\u00e9 propracov\u00e1n\u00ed ka\u017ed\u00e9 z\u00f3ny odstra\u0148uje nejednozna\u010dnost, kter\u00e1 vede k objedn\u00e1v\u00e1n\u00ed nespr\u00e1vn\u00fdch d\u00edl\u016f.<\/p>\n

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Profil zubu: Kde se ozuben\u00e9 kolo a \u0159et\u011bz skute\u010dn\u011b setk\u00e1vaj\u00ed<\/h2>\n
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Norma ANSI B29.1 definuje tvar zubu \u0159et\u011bzov\u00e9ho kola pomoc\u00ed t\u0159\u00ed prim\u00e1rn\u00edch geometrick\u00fdch parametr\u016f: polom\u011bru usazen\u00ed (ri), polom\u011bru vrcholu (ra) a polom\u011bru bo\u010dn\u00edho odleh\u010den\u00ed (rf). Tyto parametry nejsou libovoln\u00e9 \u2013 vypo\u010d\u00edt\u00e1vaj\u00ed se z pr\u016fm\u011bru v\u00e1le\u010dku a rozte\u010de \u0159et\u011bzu, aby se zajistilo, \u017ee voln\u00fd v\u00e1le\u010dek dosedne do paty zubu se specifickou v\u016fl\u00ed. Jmenovit\u00e1 usazen\u00e1 v\u016fle pro standardn\u00ed \u0159et\u011bzov\u00e1 kola ANSI je polom\u011br v\u00e1le\u010dku plus tolerance, kter\u00e1 zohled\u0148uje v\u00fdrobn\u00ed odchylky jak v\u00e1le\u010dku \u0159et\u011bzu, tak paty zubu \u0159et\u011bzov\u00e9ho kola. Tato v\u016fle je d\u016fvodem, pro\u010d nov\u00fd \u0159et\u011bz na opot\u0159ebovan\u00e9m \u0159et\u011bzov\u00e9m kole zn\u00ed jinak ne\u017e nov\u00fd \u0159et\u011bz na nov\u00e9m \u0159et\u011bzov\u00e9m kole \u2013 opot\u0159ebovan\u00e1 pata zubu ztratila sv\u016fj profilov\u00fd polom\u011br a v\u00e1le\u010dek ji\u017e nesed\u00ed ve spr\u00e1vn\u00e9 hloubce.<\/p>\n

Profil zubu tak\u00e9 definuje pracovn\u00ed stranu zubu \u2013 \u00fahel tlaku, pod kter\u00fdm se v\u00e1le\u010dek poprv\u00e9 dotkne vstupn\u00ed plochy zubu. Norma ANSI B29.1 specifikuje \u00fahel tlaku 35 stup\u0148\u016f v bod\u011b stoup\u00e1n\u00ed pro standardn\u00ed ozuben\u00e1 kola. Jedn\u00e1 se o kompromis mezi maximalizac\u00ed slo\u017eky hnac\u00ed s\u00edly a minimalizac\u00ed radi\u00e1ln\u00ed odd\u011blovac\u00ed s\u00edly mezi \u0159et\u011bzem a ozuben\u00fdm kolem. U m\u00e9n\u011b ne\u017e 15 zub\u016f se geometrie m\u011bn\u00ed natolik, \u017ee se n\u011bkdy pou\u017e\u00edvaj\u00ed upraven\u00e9 tvary zub\u016f (profily ANSI typu II nebo typu III) ke sn\u00ed\u017een\u00ed n\u00e1razov\u00e9 rychlosti p\u0159i z\u00e1b\u011bru v\u00e1le\u010dku se zubem.<\/p>\n<\/div>\n

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Tvrdost zubu je druhou polovinou popisu profilu zubu. Standardn\u00ed \u0159et\u011bzov\u00e1 kola komer\u010dn\u00ed kvality (obvykle ocel AISI 1045) jsou kalena na p\u0159ibli\u017en\u011b HRC 28\u201332 \u2013 co\u017e je dostate\u010dn\u00e9 pro standardn\u00ed zat\u00ed\u017een\u00ed. Ozuben\u00e1 kola pro aplikace s vysok\u00fdm cyklem nebo vysok\u00fdm zat\u00ed\u017een\u00edm jsou vy\u0159ez\u00e1v\u00e1na z cementa\u010dn\u00ed oceli (AISI 1018 nebo 8620) a po \u0159ez\u00e1n\u00ed se na \u010deln\u00edch ploch\u00e1ch zub\u016f cementuj\u00ed na HRC 55\u201360. Hloubka pouzdra mus\u00ed b\u00fdt dostate\u010dn\u00e1, aby p\u0159ekonala o\u010dek\u00e1vanou hloubku opot\u0159eben\u00ed \u2013 obvykle 0,8\u20131,5 mm pro standardn\u00ed pr\u016fmyslov\u00e9 aplikace. Hloubka pouzdra pod 0,5 mm u siln\u011b zat\u00ed\u017een\u00e9ho \u0159et\u011bzov\u00e9ho kola se rychle opot\u0159eb\u00ed a odhal\u00ed m\u011bkk\u00e9 j\u00e1dro, na\u010de\u017e se opot\u0159eben\u00ed zubu exponenci\u00e1ln\u011b zrychl\u00ed.<\/p>\n

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Rozsah po\u010dtu zub\u016f<\/th>\nDoporu\u010den\u00ed pro tepeln\u00e9 zpracov\u00e1n\u00ed<\/th>\nTypick\u00e1 aplikace<\/th>\nMechanismus opot\u0159eben\u00ed<\/th>\n<\/tr>\n<\/thead>\n
9 \u2013 15 zub\u016f<\/td>\nKalen\u00e9 po cementaci, 55\u201360 HRC, hloubka pouzdra 1,0\u20131,5 mm<\/td>\nVysokorychlostn\u00ed hnac\u00ed ozuben\u00e1 kola, p\u0159edn\u00ed ozuben\u00e1 kola pro motocykly<\/td>\nOpot\u0159eben\u00ed r\u00e1zem na \u0161pi\u010dce zubu a dosedac\u00ed k\u0159ivce<\/td>\n<\/tr>\n
16 \u2013 30 zub\u016f<\/td>\nKalen\u00ed zub\u016f nebo kalen\u00ed pro d\u016fkladn\u00e9 prokalen\u00ed 28\u201332 HRC<\/td>\nStandardn\u00ed pr\u016fmyslov\u00e9 pohony, ozuben\u00e1 kola pro b\u011b\u017en\u00e1 dopravn\u00edkov\u00e1 kola<\/td>\nPostupn\u00e9 opot\u0159eben\u00ed k\u0159ivky usazen\u00ed v d\u016fsledku z\u00e1b\u011bru v\u00e1le\u010dk\u016f<\/td>\n<\/tr>\n
31 \u2013 65 zub\u016f<\/td>\nDostate\u010dn\u00e9 kalen\u00ed zubu; hou\u017eevnatost j\u00e1dra je d\u016fle\u017eit\u011bj\u0161\u00ed<\/td>\nPoh\u00e1n\u011bn\u00e1 ozuben\u00e1 kola v reduk\u010dn\u00edch pohonech, pomal\u00e9 dopravn\u00edky<\/td>\nAbrazivn\u00ed opot\u0159eben\u00ed v d\u016fsledku prodlou\u017een\u00e9 nesouladn\u00e9 rozte\u010de \u0159et\u011bzu<\/td>\n<\/tr>\n
66T a v\u00fd\u0161e<\/td>\nNormalizov\u00e1no nebo po \u0159ezu; kalen\u00ed je u t\u00e9to velikosti \u010dasto nepraktick\u00e9<\/td>\nVelkopr\u016fm\u011brov\u00e1 nap\u00ednac\u00ed kola, pomal\u00e9 vle\u010dn\u00e9 dopravn\u00edky<\/td>\nTangenci\u00e1ln\u00ed opot\u0159eben\u00ed v d\u016fsledku t\u00e9m\u011b\u0159 rovn\u00e9ho z\u00e1b\u011bru \u0159et\u011bzu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Konfigurace hubu: \u0160est standardn\u00edch typ\u016f a kdy je pou\u017e\u00edt<\/h2>\n
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Norma ANSI B29.1 definuje \u0161est standardn\u00edch typ\u016f n\u00e1boj\u016f \u0159et\u011bzov\u00fdch kol, ozna\u010den\u00fdch jako typ A a\u017e typ F (a\u010dkoli se na trhu b\u011b\u017en\u011b ozna\u010duj\u00ed jako A-Plate, B-Hub, C-Hub, Taper-Bushed, QD-Bushed a Split). Ka\u017ed\u00fd z nich \u0159\u00edd\u00ed jin\u00fd aspekt vztahu h\u0159\u00eddele k mont\u00e1\u017ei a v\u00fdb\u011br nespr\u00e1vn\u00e9ho typu vede bu\u010f k probl\u00e9m\u016fm s instalac\u00ed, nebo k neefektivit\u011b \u00fadr\u017eby.<\/p>\n

Ten\/Ta\/To Ozuben\u00e9 kolo s deskou A<\/strong> (v evropsk\u00e9 nomenklatu\u0159e naz\u00fdvan\u00e9 tak\u00e9 deskov\u00e9 kolo) nem\u00e1 \u017e\u00e1dn\u00e9 prodlou\u017een\u00ed n\u00e1boje \u2013 jedn\u00e1 se o ploch\u00fd disk s otvorem proch\u00e1zej\u00edc\u00edm p\u0159\u00edmo skrz r\u00e1fek. Toto je spr\u00e1vn\u00e1 volba, kdy\u017e se \u0159et\u011bzov\u00e9 kolo mus\u00ed vej\u00edt do t\u011bsn\u00e9ho axi\u00e1ln\u00edho prostoru a lo\u017eisko h\u0159\u00eddele je bl\u00edzko \u010dela \u0159et\u011bzov\u00e9ho kola. Otvor je vyvrtan\u00fd a zakl\u00ednovan\u00fd p\u0159\u00edmo v stojin\u011b disku. Desti\u010dkov\u00e1 \u0159et\u011bzov\u00e1 kola ve tvaru A jsou standardn\u00ed pro aplikace s dopravn\u00edkov\u00fdmi \u0159et\u011bzy, kde mus\u00ed b\u00fdt v\u00edce \u0159et\u011bzov\u00fdch kol p\u0159esn\u011b rozm\u00edst\u011bno pod\u00e9l h\u0159\u00eddele.<\/p>\n<\/div>\n<\/div>\n

Ten\/Ta\/To Pastorek B-n\u00e1boje<\/strong> m\u00e1 n\u00e1boj, kter\u00fd sah\u00e1 pouze na jednu stranu. D\u00e9lka n\u00e1boje je obvykle 1,5 a\u017e 2kr\u00e1t v\u011bt\u0161\u00ed ne\u017e pr\u016fm\u011br otvoru pro standardn\u00ed ozuben\u00e1 kola. Toto je nejb\u011b\u017en\u011bj\u0161\u00ed typ n\u00e1boje pro b\u011b\u017en\u00e9 pr\u016fmyslov\u00e9 pohony \u2013 jednostrann\u00fd n\u00e1boj poskytuje dostate\u010dnou oporu lo\u017eiska pro pero h\u0159\u00eddele a stav\u011bc\u00ed \u0161rouby a z\u00e1rove\u0148 zachov\u00e1v\u00e1 kompaktn\u00ed celkovou \u0161\u00ed\u0159ku. P\u0159i objedn\u00e1v\u00e1n\u00ed ozuben\u00e9ho kola typu B-Hub mus\u00ed specifikace uv\u00e1d\u011bt, zda n\u00e1boj sah\u00e1 sm\u011brem k hnac\u00ed nebo hnan\u00e9 stran\u011b instalace, proto\u017ee se odpov\u00eddaj\u00edc\u00edm zp\u016fsobem m\u011bn\u00ed poloha \u0159et\u011bzov\u00e9 osy.<\/p>\n

Ten\/Ta\/To Pastorek C-Hub<\/strong> m\u00e1 materi\u00e1l n\u00e1boje rovnom\u011brn\u011b vy\u010dn\u00edvaj\u00edc\u00ed z obou stran kotou\u010de \u0159et\u011bzov\u00e9ho kola. To poskytuje nejv\u011bt\u0161\u00ed op\u011brnou plochu h\u0159\u00eddele a je ur\u010deno, kdy\u017e \u0159et\u011bzov\u00e9 kolo mus\u00ed n\u00e9st radi\u00e1ln\u00ed zat\u00ed\u017een\u00ed z dlouh\u00e9ho \u0159et\u011bzov\u00e9ho rozp\u011bt\u00ed nebo kdy\u017e je \u0159et\u011bzov\u00e9 kolo jedin\u00fdm op\u011brn\u00fdm bodem lo\u017eiska v dan\u00e9 oblasti pohonu. \u0158et\u011bzov\u00e1 kola s n\u00e1bojem typu C jsou t\u011b\u017e\u0161\u00ed ne\u017e ekvivalenty s n\u00e1bojem B a vy\u017eaduj\u00ed v\u011bt\u0161\u00ed axi\u00e1ln\u00ed v\u016fli \u2013 v uzav\u0159en\u00fdch instalac\u00edch nejsou zam\u011bniteln\u00e1 s n\u00e1bojem B.<\/p>\n

Ten\/Ta\/To \u0158et\u011bzov\u00e1 kola s ku\u017eelov\u00fdm z\u00e1mkem a pouzdrem QD (rychle odn\u00edmateln\u00e1)<\/strong> Pou\u017e\u00edvejte odn\u00edmateln\u00e9 ku\u017eelov\u00e9 pouzdro, kter\u00e9 uchop\u00ed h\u0159\u00eddel stla\u010den\u00edm, nikoli pomoc\u00ed nalisovan\u00e9ho otvoru. Rozd\u00edl mezi nimi spo\u010d\u00edv\u00e1 p\u0159edev\u0161\u00edm ve zp\u016fsobu demont\u00e1\u017ee: Pouzdra Taper Lock vy\u017eaduj\u00ed k uvoln\u011bn\u00ed ku\u017eele \u0161roubov\u00fd zved\u00e1k (v p\u0159\u00edrub\u011b jsou zabudov\u00e1ny t\u0159i vytahovac\u00ed \u0161rouby), zat\u00edmco pouzdra QD se uvol\u0148uj\u00ed za\u0161roubov\u00e1n\u00edm stejn\u00fdch \u0161roub\u016f do vytahovac\u00edch otvor\u016f. Oba syst\u00e9my umo\u017e\u0148uj\u00ed p\u0159enos ozuben\u00e9ho kola na h\u0159\u00eddel jin\u00e9ho pr\u016fm\u011bru pouhou v\u00fdm\u011bnou pouzdra \u2013 samotn\u00e9 ozuben\u00e9 kolo p\u0159ij\u00edm\u00e1 jak\u00e9koli pouzdro stejn\u00e9 \u0159ady. To je hlavn\u00ed provozn\u00ed v\u00fdhoda oproti ozuben\u00fdm kol\u016fm s pevn\u00fdm otvorem pro aplikace n\u00e1ro\u010dn\u00e9 na \u00fadr\u017ebu, kde se pr\u016fm\u011bry h\u0159\u00eddel\u00ed li\u0161\u00ed mezi instalacemi.<\/p>\n

Protiintuitivn\u00ed realita o \u0159et\u011bzov\u00fdch kolech s velk\u00fdm po\u010dtem zub\u016f:<\/strong> Ozuben\u00e9 kolo s v\u011bt\u0161\u00edm po\u010dtem zub\u016f inherentn\u011b nezaru\u010duje del\u0161\u00ed \u017eivotnost. Nad p\u0159ibli\u017en\u011b 65 zuby se \u0159et\u011bz bl\u00ed\u017e\u00ed t\u00e9m\u011b\u0159 p\u0159\u00edm\u00e9 geometrii z\u00e1b\u011bru na ozuben\u00e9m kole \u2013 kladka ji\u017e \u201enepad\u00e1\u201c do jasn\u011b definovan\u00e9 paty zubu, ale m\u00edsto toho se dot\u00fdk\u00e1 oblasti, kde je zak\u0159iven\u00ed zubu t\u00e9m\u011b\u0159 ploch\u00e9. To sni\u017euje p\u0159esnost usazen\u00ed kladky a zp\u016fsobuje, \u017ee z\u00e1b\u011brov\u00e9 zat\u00ed\u017een\u00ed se koncentruje na \u0161pi\u010dce zubu, sp\u00ed\u0161e ne\u017e aby se rozlo\u017eilo po cel\u00e9m polom\u011bru usazen\u00ed. U pomal\u00fdch, siln\u011b zat\u00ed\u017een\u00fdch pohon\u016f s velk\u00fdmi poh\u00e1n\u011bn\u00fdmi ozuben\u00fdmi koly \u0159e\u0161en\u00ed \u0159et\u011bzu in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy s \u0159et\u011bzem s v\u011bt\u0161\u00ed rozte\u010d\u00ed a men\u0161\u00edm po\u010dtem zub\u016f \u010dasto p\u0159ekon\u00e1v\u00e1 \u0159et\u011bz s malou rozte\u010d\u00ed a poh\u00e1n\u011bn\u00fdm ozuben\u00fdm kolem se 70 zuby.<\/div>\n

\"\u0160est<\/p>\n

V\u00fdb\u011br materi\u00e1lu pro ozuben\u00e1 kola: V\u00edce ne\u017e uhl\u00edkov\u00e1 ocel<\/h2>\n

V\u011bt\u0161ina ozuben\u00fdch kol pou\u017e\u00edvan\u00fdch v b\u011b\u017en\u00e9m pr\u016fmyslu je vyrobena ze st\u0159edn\u011b uhl\u00edkov\u00e9 oceli (AISI 1045 nebo ekvivalentn\u00ed), kter\u00e1 poskytuje dobrou rovnov\u00e1hu mezi obrobitelnost\u00ed, tepelnou zpracovatelnost\u00ed a n\u00e1klady. Provozn\u00ed prost\u0159ed\u00ed v\u0161ak \u010dasto vy\u017eaduje jin\u00fd materi\u00e1l a rozd\u00edl ve v\u00fdkonu mezi spr\u00e1vn\u011b specifikovan\u00fdm materi\u00e1lem a nespr\u00e1vn\u00fdm m\u016f\u017ee b\u00fdt dramatick\u00fd.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Materi\u00e1l<\/th>\nTypick\u00e1 tvrdost<\/th>\nOdolnost proti korozi<\/th>\nNejvhodn\u011bj\u0161\u00ed pro<\/th>\nVyhn\u011bte se, kdy\u017e<\/th>\n<\/tr>\n<\/thead>\n
Uhl\u00edkov\u00e1 ocel 1045<\/td>\n28\u201355 HRC (zub)<\/td>\nN\u00edzk\u00e1 \u2013 vy\u017eaduje olej nebo barvu<\/td>\nV\u0161eobecn\u00e9 pr\u016fmyslov\u00e9, vnit\u0159n\u00ed pohony<\/td>\nOmyt\u00ed, kontakt s potravinami, slan\u00fd vzduch<\/td>\n<\/tr>\n
Litina G25<\/td>\n200\u2013240 HB<\/td>\nSt\u0159edn\u00ed (grafitov\u00fd film)<\/td>\nVelk\u00e1 ozuben\u00e1 kola in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy, pomal\u00e9 pohony<\/td>\nR\u00e1zov\u00e1 zat\u00ed\u017een\u00ed, vysokorychlostn\u00ed, cyklick\u00e9 reverzace<\/td>\n<\/tr>\n
Nerezov\u00e1 ocel 304<\/td>\n28\u201332 HRC (po obr\u00e1b\u011bn\u00ed)<\/td>\nDobr\u00e9 \u2013 v\u011bt\u0161ina pr\u016fmyslov\u00fdch prost\u0159ed\u00ed<\/td>\nZpracov\u00e1n\u00ed potravin, m\u00edrn\u00e9 oplachov\u00e1n\u00ed<\/td>\nChloridov\u00e9 prost\u0159ed\u00ed, mo\u0159sk\u00e1 s\u016fl<\/td>\n<\/tr>\n
Nerezov\u00e1 ocel 316L<\/td>\n25\u201330 HRC (po obr\u00e1b\u011bn\u00ed)<\/td>\nVynikaj\u00edc\u00ed \u2014 odolnost proti chlorid\u016fm<\/td>\nZpracov\u00e1n\u00ed mo\u0159sk\u00fdch plod\u016f, chemick\u00fd z\u00e1vod, n\u00e1mo\u0159n\u00ed doprava<\/td>\nVysokorychlostn\u00ed pohony (ni\u017e\u0161\u00ed tvrdost = rychlej\u0161\u00ed opot\u0159eben\u00ed zub\u016f)<\/td>\n<\/tr>\n
UHMW polyethylen<\/td>\nShore D 60\u201365<\/td>\nVynikaj\u00edc\u00ed \u2013 k dispozici jsou t\u0159\u00eddy spl\u0148uj\u00edc\u00ed normu FDA 21 CFR<\/td>\nPozice nap\u00ednac\u00edch v\u00e1lc\u016f v potravin\u00e1\u0159sk\u00e9m pr\u016fmyslu, z\u00f3ny s nulov\u00fdm maz\u00e1n\u00edm<\/td>\nPolohy pohonu, provoz nad 80 \u00b0C, siln\u00e9 r\u00e1zy<\/td>\n<\/tr>\n
Hlin\u00edk 6061<\/td>\nBrinell 95\u2013100 HB<\/td>\nSt\u0159edn\u00ed (oxidov\u00e1 vrstva)<\/td>\nVysokorychlostn\u00ed pohony s n\u00edzk\u00fdm zat\u00ed\u017een\u00edm vy\u017eaduj\u00edc\u00ed n\u00edzkou hmotnost (pouzdro, servo)<\/td>\nAbrazivn\u00ed prost\u0159ed\u00ed, vysok\u00e9 zat\u00ed\u017een\u00ed, alkalick\u00e9 oplachov\u00e1n\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Jeden \u010dasto nepochopen\u00fd bod: ozuben\u00e1 kola z nerezov\u00e9 oceli nejsou automaticky spr\u00e1vnou volbou pro aplikace v potravin\u00e1\u0159sk\u00e9m pr\u016fmyslu. Shoda s FDA se t\u00fdk\u00e1 slo\u017een\u00ed materi\u00e1lu a povrchov\u00e9 \u00fapravy, nikoli pouze pou\u017eit\u00ed nerezov\u00e9 oceli. Ozuben\u00e9 kolo z nerezov\u00e9 oceli 304 s brou\u0161en\u00fdm a le\u0161t\u011bn\u00fdm otvorem a bez zachycen\u00fdch \u0161t\u011brbin spl\u0148uje po\u017eadavky na hygienu povrchu. V\u00fdznamn\u011bj\u0161\u00edm probl\u00e9mem bezpe\u010dnosti potravin je maz\u00e1n\u00ed \u2013 jak\u00e9koli ozuben\u00e9 kolo na voln\u00e9m kole nad otev\u0159en\u00fdm dopravn\u00edkem potravin, kter\u00e9 vy\u017eaduje pravideln\u00e9 nan\u00e1\u0161en\u00ed maziva, p\u0159edstavuje riziko kontaminace bez ohledu na jeho materi\u00e1l. Ozuben\u00e1 kola z plastu UHMW, kter\u00e1 b\u011b\u017e\u00ed nasucho, toto riziko zcela eliminuj\u00ed a jsou technicky spr\u00e1vn\u00fdm \u0159e\u0161en\u00edm pro voln\u00e1 kola nad potravin\u00e1\u0159skou linkou ve v\u011bt\u0161in\u011b prost\u0159ed\u00ed pro zpracov\u00e1n\u00ed potravin.<\/p>\n

<\/p>\n

Kde maj\u00ed rozhodnut\u00ed o specifikaci ozuben\u00e9ho kola nejv\u011bt\u0161\u00ed dopad<\/h2>\n

Zem\u011bd\u011blsk\u00e9 stroje.<\/strong> Pohony pod\u00e1vac\u00edho kom\u00edna skl\u00edzec\u00edch ml\u00e1ti\u010dek, ozuben\u00e1 kola dopravn\u00edk\u016f obil\u00ed a \u0159et\u011bzov\u00e9 pohony ml\u00e1ti\u010dek na r\u00fd\u017ei pracuj\u00ed v podm\u00ednk\u00e1ch, kdy se abrazivn\u00ed materi\u00e1l dot\u00fdk\u00e1 p\u0159\u00edmo zub\u016f ozuben\u00e9ho kola. V t\u011bchto aplikac\u00edch je specifikace tvrdosti zub\u016f d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e optimalizace po\u010dtu zub\u016f. Kalen\u00e9 20zub\u00e9 ozuben\u00e9 kolo ve pod\u00e1vac\u00edm kom\u00edn\u011b vydr\u017e\u00ed d\u00e9le ne\u017e kalen\u00e9 24zub\u00e9 ozuben\u00e9 kolo s identick\u00fdm \u0159et\u011bzem za stejn\u00fdch pra\u0161n\u00fdch podm\u00ednek. Ozuben\u00e1 kola s hotov\u00fdm otvorem skladem<\/a> s potvrzen\u00fdmi certifik\u00e1ty tvrdosti zub\u016f jsou spr\u00e1vnou specifikac\u00ed pro n\u00e1kup zem\u011bd\u011blsk\u00e9 \u00fadr\u017eby.<\/p>\n

T\u011b\u017eba a manipulace s hromadn\u00fdm materi\u00e1lem.<\/strong> Ozuben\u00e1 kola \u017eenijn\u00ed t\u0159\u00eddy (\u0159ada 55, \u0159ada 67, \u0159ada 81X, \u0159ada 94, \u0159ada 95) jsou ur\u010dena pro vle\u010dn\u00e9 \u0159et\u011bzov\u00e9 dopravn\u00edky, \u0161krab\u00e1ky a pohony kore\u010dkov\u00fdch elev\u00e1tor\u016f. Kritick\u00fd bod, kter\u00fd zp\u016fsobuje nejv\u00edce chyb p\u0159i n\u00e1kupu: ozuben\u00e1 kola \u0159ady 94 a 95 maj\u00ed t\u00e9m\u011b\u0159 shodn\u00e9 hodnoty rozte\u010dn\u00e9ho pr\u016fm\u011bru p\u0159i stejn\u00e9m po\u010dtu zub\u016f, ale geometrie jejich ulo\u017een\u00ed v\u00e1le\u010dk\u016f se li\u0161\u00ed, proto\u017ee ob\u011b \u0159ady pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 pr\u016fm\u011bry v\u00e1le\u010dk\u016f. Ozuben\u00e9 kolo \u0159ady 94 poh\u00e1n\u011bn\u00e9 \u0159et\u011bzem \u0159ady 95 zni\u010d\u00ed ob\u011b sou\u010d\u00e1sti b\u011bhem 200\u2013500 hodin. P\u0159ed objedn\u00e1n\u00edm ozuben\u00e9ho kola \u017eenijn\u00ed t\u0159\u00eddy je nutn\u00e9 porovnat ozna\u010den\u00ed \u0159ady s pr\u016fm\u011brem v\u00e1le\u010dku \u0159et\u011bzu.<\/p>\n

Balen\u00ed a automatizace.<\/strong> V tomto sektoru dominuj\u00ed ozuben\u00e1 kola s pouzdrem QD a s ku\u017eelov\u00fdm z\u00e1mkem, proto\u017ee zm\u011bny form\u00e1tu vy\u017eaduj\u00ed \u010dast\u00e9 \u00fapravy konfigurace h\u0159\u00eddele. U balic\u00edch stroj\u016f m\u00e1 schopnost \u00fadr\u017eb\u00e1\u0159\u016f demontovat a znovu namontovat ozuben\u00e9 kolo za m\u00e9n\u011b ne\u017e p\u011bt minut (oproti 45 minut\u00e1m u ozuben\u00e9ho kola s pevn\u00fdm otvorem vy\u017eaduj\u00edc\u00edho stahov\u00e1k a lis) p\u0159\u00edm\u00fd vliv na dobu provozuschopnosti v\u00fdroby. Hlin\u00edkov\u00e1 ozuben\u00e1 kola s eloxovan\u00fdm povrchem zub\u016f jsou b\u011b\u017en\u00e1 ve vysokorychlostn\u00edch servopohonn\u00fdch indexovac\u00edch aplikac\u00edch, kde rota\u010dn\u00ed setrva\u010dnost ovliv\u0148uje dobu zrychlen\u00ed \u2013 \u00faspora hmotnosti hlin\u00edkov\u00e9ho ozuben\u00e9ho kola oproti ocelov\u00e9mu ozuben\u00e9mu kolu p\u0159i stejn\u00e9 rozte\u010di m\u016f\u017ee sn\u00ed\u017eit po\u017eadavky na to\u010div\u00fd moment servomotoru o 15\u201330% ve vysokocyklov\u00fdch aplikac\u00edch.<\/p>\n

Motocykl a powersport.<\/strong> P\u0159edn\u00ed (p\u0159edlohov\u00fd h\u0159\u00eddel) a zadn\u00ed (kolo) ozuben\u00e1 kola pro \u0159et\u011bzov\u00e9 pohony motocykl\u016f jsou specifikov\u00e1na rozte\u010d\u00ed, po\u010dtem zub\u016f a rozte\u010d\u00ed \u0161roub\u016f \u2013 ale rozhran\u00ed mezi ozuben\u00fdm kolem a una\u0161e\u010dem (gumov\u011b odpru\u017een\u00fd n\u00e1boj u v\u011bt\u0161iny zadn\u00edch ozuben\u00fdch kol) se p\u0159i objedn\u00e1v\u00e1n\u00ed n\u00e1hradn\u00edch d\u00edl\u016f \u010dasto p\u0159ehl\u00ed\u017e\u00ed. Odpru\u017een\u00fd n\u00e1boj absorbuje r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed od v\u00fdkonov\u00fdch impuls\u016f motoru a zabra\u0148uje tomu, aby se tyto impulsy p\u0159en\u00e1\u0161ely p\u0159\u00edmo jako r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed na v\u00e1le\u010dky \u0159et\u011bzu. Zadn\u00ed ozuben\u00e9 kolo s pln\u00fdm st\u0159edem bez gumov\u00fdch vlo\u017eek, instalovan\u00e9 na stroji, kter\u00fd p\u016fvodn\u011b pou\u017e\u00edval odpru\u017een\u00fd una\u0161e\u010d, bude p\u0159i prudk\u00e9 akceleraci zp\u016fsobovat sly\u0161iteln\u00e9 klapot\u00e1n\u00ed \u0159et\u011bzu a zrychlen\u00e9 prodlu\u017eov\u00e1n\u00ed \u0159et\u011bzu.<\/p>\n

\"\"<\/p>\n

Pr\u016fmyslov\u00e9 syst\u00e9my pohonu ozuben\u00fdmi koly a \u0159et\u011bzy \u2013 kde spr\u00e1vn\u00e1 specifikace n\u00e1boje a v\u00fdb\u011br materi\u00e1lu ur\u010duj\u00ed provozn\u00ed \u017eivotnost v re\u00e1ln\u00fdch v\u00fdrobn\u00edch prost\u0159ed\u00edch.<\/p>\n

<\/p>\n

Jak bezchybn\u011b specifikovat v\u00fdm\u011bnu ozuben\u00e9ho kola<\/h2>\n

Kompletn\u00ed specifikace ozuben\u00e9ho kola obsahuje sedm datov\u00fdch bod\u016f. Uveden\u00ed v\u0161ech sedmi bod\u016f p\u0159i objedn\u00e1vce eliminuje zpo\u017ed\u011bn\u00ed procesu objedn\u00e1v\u00e1n\u00ed a br\u00e1n\u00ed obdr\u017een\u00ed d\u00edlu, kter\u00fd rozm\u011brov\u011b odpov\u00edd\u00e1, ale funguje nespr\u00e1vn\u011b:<\/p>\n

    \n
  1. \u0158ada \u0159et\u011bzu a pr\u016fm\u011br v\u00e1le\u010dku:<\/strong> Nejen rozte\u010d \u2013 ov\u011b\u0159te pr\u016fm\u011br v\u00e1le\u010dku, kter\u00fd identifikuje normu (ANSI vs. ISO vs. konstruk\u010dn\u00ed t\u0159\u00eddu) a zabra\u0148uje neshod\u00e1m profil\u016f zub\u016f.<\/li>\n
  2. Po\u010det zub\u016f:<\/strong> Po\u010d\u00edtejte zuby p\u0159\u00edmo na opot\u0159ebovan\u00e9m \u0159et\u011bzov\u00e9m kole. Nepo\u010d\u00edtejte z p\u0159evodov\u00fdch pom\u011br\u016f h\u0159\u00eddele bez porovn\u00e1n\u00ed s fyzick\u00fdm po\u010dtem zub\u016f \u2013 p\u0159evodov\u00e9 pom\u011bry jsou z\u0159\u00eddka kulat\u00e1 \u010d\u00edsla.<\/li>\n
  3. Po\u010det pramen\u016f \u0159et\u011bzu:<\/strong> Simplex, duplex nebo triplex. \u0160\u00ed\u0159ka \u010dela \u0159et\u011bzov\u00e9ho kola, rozte\u010d zub\u016f a rozm\u011bry vodic\u00edch \u017eeber z\u00e1vis\u00ed na po\u010dtu pramen\u016f.<\/li>\n
  4. Styl a projekce n\u00e1boje:<\/strong> A, B, C, Taper Lock (a \u0159ada pouzder) nebo QD (a \u0159ada pouzder). U n\u00e1boj\u016f B a C uve\u010fte orientaci n\u00e1boje vlevo nebo vpravo vzhledem ke stran\u011b \u0159et\u011bzu.<\/li>\n
  5. Pr\u016fm\u011br otvoru a dr\u00e1\u017eka pro pero:<\/strong> Otvor v mm (nebo palc\u00edch pro aplikace ANSI), \u0161\u00ed\u0159ka a hloubka dr\u00e1\u017eky pro pero dle normy DIN 6885 nebo ASME B17.1, plus po\u017eadavky na stav\u011bc\u00ed \u0161roub.<\/li>\n
  6. Materi\u00e1l a povrchov\u00e1 \u00faprava:<\/strong> Uhl\u00edkov\u00e1 ocel, litina, nerezov\u00e1 ocel, plast. Povrchov\u00e1 \u00faprava: hladk\u00e1, \u010dern\u00fd oxid, nikl, \u017e\u00e1rov\u00fd zinek.<\/li>\n
  7. Po\u017eadovan\u00e9 certifikace:<\/strong> Certifik\u00e1t o zkou\u0161ce materi\u00e1lu (MTC), prohl\u00e1\u0161en\u00ed o shod\u011b s FDA (pro potravin\u00e1\u0159sk\u00e9 aplikace), zpr\u00e1va o kontrole t\u0159et\u00ed strany, pokud je vy\u017eadov\u00e1na pro projektovou dokumentaci.<\/li>\n<\/ol>\n
    Nejv\u00edce se vyhnuteln\u00e1 chyba p\u0159i zad\u00e1v\u00e1n\u00ed zak\u00e1zek:<\/strong> Ur\u010den\u00ed typu n\u00e1boje jako \u201estandardn\u00ed\u201c bez potvrzen\u00ed, co \u201estandardn\u00ed\u201c znamen\u00e1 pro danou kombinaci po\u010dtu zub\u016f a rozte\u010de. U \u0159et\u011bzov\u00fdch kol s malou rozte\u010d\u00ed (#35 a m\u00e9n\u011b) je standardn\u00edm n\u00e1bojem \u010dasto deska A, proto\u017ee n\u00e1klady na obr\u00e1b\u011bn\u00ed n\u00e1boje se p\u0159i mal\u00fdch velikostech otvor\u016f st\u00e1vaj\u00ed ne\u00fam\u011brn\u00fdmi. U \u0159et\u011bzov\u00fdch kol s velkou rozte\u010d\u00ed (#80 a v\u00edce) je standardn\u00edm n\u00e1bojem B. Za p\u0159edpokladu jedn\u00e9 odpov\u011bdi pro v\u0161echny velikosti dojde k objedn\u00e1vk\u00e1m nespr\u00e1vn\u00fdch d\u00edl\u016f na obou konc\u00edch rozsahu velikost\u00ed.<\/div>\n

    P\u0159i objedn\u00e1v\u00e1n\u00ed od spole\u010dnosti Korea Ever-Power n\u00e1m zasl\u00e1n\u00ed t\u0159\u00ed rozm\u011br\u016f opot\u0159ebovan\u00e9ho ozuben\u00e9ho kola \u2013 pr\u016fm\u011bru rozte\u010de zub\u016f, pr\u016fm\u011bru dosedac\u00ed plochy v\u00e1le\u010dku (m\u011b\u0159eno v pat\u011b zubu) a p\u0159esahu n\u00e1boje \u2013 spolu s rozm\u011bry otvoru a dr\u00e1\u017eky pro pero umo\u017e\u0148uje potvrdit nebo opravit specifikaci p\u0159ed zah\u00e1jen\u00edm obr\u00e1b\u011bn\u00ed. Toto potvrzen\u00ed s\u00e9rie p\u0159edb\u011b\u017en\u00e9 objedn\u00e1vky je krokem, kter\u00fd zabra\u0148uje chyb\u011b substituce \u0159ady 94\/95 a nesouladu profilu zubu ANSI\/ISO, kter\u00e9 jsou p\u0159\u00ed\u010dinou v\u011bt\u0161iny probl\u00e9m\u016f. selh\u00e1n\u00ed v\u00fdm\u011bny ozuben\u00e9ho kola<\/a> hl\u00e1\u0161eno v prvn\u00edm m\u011bs\u00edci instalace.<\/p>\n

    \"\"<\/p>\n

    <\/p>\n

    \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
    \nJak ur\u010d\u00edm rozte\u010dn\u00fd pr\u016fm\u011br st\u00e1vaj\u00edc\u00edho \u0159et\u011bzov\u00e9ho kola bez katalogu?<\/summary>\n
    Pr\u016fm\u011br rozte\u010de (PD) \u0159et\u011bzov\u00e9ho kola lze vypo\u010d\u00edtat z rozte\u010de \u0159et\u011bzu a po\u010dtu zub\u016f pomoc\u00ed vzorce: PD = P \/ sin(180 \/ N), kde P je rozte\u010d \u0159et\u011bzu v mm a N je po\u010det zub\u016f. Pro \u0159et\u011bzov\u00e9 kolo ANSI #60 (rozte\u010d 19,05 mm) s 19 zuby: PD = 19,05 \/ sin(180\/19) = 19,05 \/ sin(9,47\u00b0) = 19,05 \/ 0,1646 = 115,73 mm. Tento vypo\u010d\u00edtan\u00fd pr\u016fm\u011br rozte\u010de lze ov\u011b\u0159it m\u011b\u0159en\u00edm nap\u0159\u00ed\u010d dv\u011bma protilehl\u00fdmi paty zub\u016f pomoc\u00ed jehli\u010dkov\u00e9ho kalibru se spr\u00e1vn\u00fdm pr\u016fm\u011brem v\u00e1le\u010dku \u2013 nam\u011b\u0159en\u00e1 hodnota by se m\u011bla u spr\u00e1vn\u011b vyroben\u00e9ho \u0159et\u011bzov\u00e9ho kola rovnat vypo\u010d\u00edtan\u00e9mu PD s toleranc\u00ed \u00b10,5 mm.<\/div>\n<\/details>\n
    \nLze znovu pou\u017e\u00edt ozuben\u00e9 kolo s ku\u017eelov\u00fdm z\u00e1mkem, pokud se zm\u011bn\u00ed pr\u016fm\u011br h\u0159\u00eddele?<\/summary>\n
    Ano \u2013 to je hlavn\u00ed d\u016fvod, pro\u010d existuj\u00ed pouzdra s ku\u017eelov\u00fdm z\u00e1mkem. Ozuben\u00e9 kolo akceptuje jak\u00e9koli pouzdro v r\u00e1mci sv\u00e9 \u0159ady (nap\u0159\u00edklad v\u0161echna pouzdra 1615, 1615H a 1610 pasuj\u00ed na stejn\u00e9 t\u011bleso ozuben\u00e9ho kola). Pokud se zm\u011bn\u00ed pr\u016fm\u011br h\u0159\u00eddele, vym\u011b\u0148te pouze pouzdro se spr\u00e1vnou velikost\u00ed otvoru. Samotn\u00e9 ozuben\u00e9 kolo lze opakovan\u011b pou\u017e\u00edvat donekone\u010dna, za p\u0159edpokladu, \u017ee ku\u017eelov\u00fd otvor nebyl po\u0161kozen nespr\u00e1vnou instalac\u00ed. Jedin\u00e1 v\u011bc, kterou nelze znovu pou\u017e\u00edt, je pouzdro, kter\u00e9 bylo p\u0159\u00edli\u0161 uta\u017eeno do bodu prasknut\u00ed ku\u017eelu \u2013 p\u0159ed op\u011btovnou instalac\u00ed pou\u017eit\u00e9ho pouzdra s ku\u017eelov\u00fdm z\u00e1mkem v\u017edy zkontrolujte otvor pouzdra a povrch ku\u017eelu, zda nevykazuj\u00ed vlasov\u00e9 praskliny.<\/div>\n<\/details>\n
    \nCo zp\u016fsobuje, \u017ee se na zubu \u0159et\u011bzov\u00e9ho kola vyvine \u201eh\u00e1kovit\u00fd\u201c profil a lze \u0159et\u011bzov\u00e9 kolo znovu pou\u017e\u00edt?<\/summary>\n
    Zah\u00e1knut\u00ed zubu \u2013 kde se \u0161pi\u010dka zubu zak\u0159ivuje ve sm\u011bru pohybu \u0159et\u011bzu \u2013 je zp\u016fsobeno pohybem prodlou\u017een\u00e9ho \u0159et\u011bzu za hranic\u00ed jeho v\u00fdm\u011bny. Kdy\u017e rozte\u010d \u0159et\u011bzu p\u0159ekro\u010d\u00ed rozte\u010dnou kru\u017enici \u0159et\u011bzov\u00e9ho kola, \u0159et\u011bz se pohybuje v\u00fd\u0161e na zubu a dot\u00fdk\u00e1 se \u0161pi\u010dky, nikoli dosedac\u00ed k\u0159ivky. Opakovan\u00fd kontakt na \u0161pi\u010dce zubu plasticky deformuje materi\u00e1l \u0161pi\u010dky ve sm\u011bru pohybu \u0159et\u011bzu, \u010d\u00edm\u017e vznik\u00e1 charakteristick\u00fd tvar h\u00e1ku. Zah\u00e1knut\u00e9 \u0159et\u011bzov\u00e9 kolo nelze znovu pou\u017e\u00edt s nov\u00fdm \u0159et\u011bzem \u2013 geometrie h\u00e1ku okam\u017eit\u011b urychl\u00ed opot\u0159eben\u00ed nov\u00e9ho \u0159et\u011bzu, proto\u017ee nov\u00e9 kladky \u0159et\u011bzu nemohou spr\u00e1vn\u011b usadit. Jakmile je zah\u00e1knut\u00ed viditeln\u00e9, vym\u011b\u0148te \u0159et\u011bzov\u00e9 kolo i \u0159et\u011bz sou\u010dasn\u011b. N\u00e1klady na nov\u00e9 \u0159et\u011bzov\u00e9 kolo jsou mnohem ni\u017e\u0161\u00ed ne\u017e n\u00e1klady na zni\u010den\u00ed nov\u00e9ho \u0159et\u011bzu b\u011bhem \u010dty\u0159 t\u00fddn\u016f.<\/div>\n<\/details>\n
    \nExistuje n\u011bjak\u00fd funk\u010dn\u00ed rozd\u00edl mezi ozuben\u00fdm kolem QD a ozuben\u00fdm kolem Taper Lock krom\u011b zp\u016fsobu demont\u00e1\u017ee?<\/summary>\n
    Ano. Krom\u011b metody demont\u00e1\u017ee se oba syst\u00e9my li\u0161\u00ed i v soust\u0159edn\u00e9 p\u0159esnosti. Pouzdra Taper lock generuj\u00ed svou up\u00ednac\u00ed s\u00edlu ku\u017eelov\u00fdm kl\u00ednov\u00e1n\u00edm, kter\u00e9 tak\u00e9 p\u0159esn\u011b vycentruje otvor pouzdra na ku\u017eelov\u00fd otvor \u0159et\u011bzov\u00e9ho kola \u2013 samost\u0159ed\u00edc\u00ed se ku\u017eel vytv\u00e1\u0159\u00ed soust\u0159ednou p\u0159esnost p\u0159ibli\u017en\u011b 0,025\u20130,05 mm TIR (celkov\u00e1 h\u00e1zivost indik\u00e1toru) u standardn\u00edch pouzder. Pouzdra QD se up\u00ednaj\u00ed prim\u00e1rn\u011b stla\u010den\u00edm p\u0159\u00edruby, nikoli ku\u017eelov\u00fdm kl\u00ednov\u00e1n\u00edm, co\u017e vede k m\u00edrn\u011b vy\u0161\u0161\u00edmu h\u00e1zivosti \u2013 obvykle 0,05\u20130,15 mm TIR. Pro vysokorychlostn\u00ed p\u0159esn\u00e9 pohony, kde je t\u0159eba minimalizovat vibrace \u0159et\u011bzu, poskytuje ku\u017eelov\u00e9 z\u00e1mky lep\u0161\u00ed soust\u0159ednou p\u0159esnost. Pro aplikace n\u00e1ro\u010dn\u00e9 na \u00fadr\u017ebu se zm\u011bnou form\u00e1tu, kde je rychlost demont\u00e1\u017ee d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e p\u0159esnost, je QD lep\u0161\u00ed volbou.<\/div>\n<\/details>\n
    \nJak po\u010det pramen\u016f \u0159et\u011bzu ovliv\u0148uje specifikaci \u0159et\u011bzov\u00e9ho kola?<\/summary>\n
    Duplexn\u00ed a triplexn\u00ed \u0159et\u011bzy vy\u017eaduj\u00ed \u0159et\u011bzov\u00e1 kola s v\u00edce \u0159adami zub\u016f odd\u011blen\u00fdmi p\u0159esn\u011b dimenzovanou vodic\u00ed deskou nebo vodic\u00ed dr\u00e1\u017ekou. Norma ANSI B29.1 specifikuje rozte\u010d mezi \u0159adami zub\u016f jako funkci \u0161\u00ed\u0159ky vnit\u0159n\u00edho \u010dl\u00e1nku \u0159et\u011bzu a po\u010dtu pramen\u016f. Ozuben\u00e9 kolo obroben\u00e9 pro duplexn\u00ed \u0159et\u011bz m\u00e1 dv\u011b \u0159ady zub\u016f se spr\u00e1vnou bo\u010dn\u00ed rozte\u010d\u00ed, aby se ka\u017ed\u00fd pramen zarovnal nad jeho vlastn\u00ed \u0159adou zub\u016f. Nahrazen\u00ed duplexn\u00edm \u0159et\u011bzov\u00fdm kolem simplexn\u00edm \u0159et\u011bzov\u00fdm kolem v duplexn\u00edm \u0159et\u011bzov\u00e9m pohonu \u2013 i kdy\u017e se rozte\u010d a po\u010det zub\u016f shoduj\u00ed \u2013 bude m\u00edt za n\u00e1sledek, \u017ee se dva prameny \u0159et\u011bzu budou t\u0159\u00edt o jeden zub a b\u011bhem prvn\u00edch n\u011bkolika hodin provozu dojde k siln\u00e9mu bo\u010dn\u00edmu zat\u00ed\u017een\u00ed vnit\u0159n\u00edch \u010dl\u00e1nk\u016f. V\u00edcepramenn\u00e1 \u0159et\u011bzov\u00e1 kola tak\u00e9 vy\u017eaduj\u00ed odpov\u00eddaj\u00edc\u00edm zp\u016fsobem \u0161ir\u0161\u00ed n\u00e1boj s otvorem, aby se p\u0159izp\u016fsobila zv\u011bt\u0161en\u00e9 \u0161\u00ed\u0159ce \u010dela, tak\u017ee rozm\u011bry n\u00e1boje se \u00fam\u011brn\u011b m\u011bn\u00ed s po\u010dtem pramen\u016f.<\/div>\n<\/details>\n

    <\/p>\n

    \n

    Pot\u0159ebujete ozuben\u00e1 kola s potvrzenou specifikac\u00ed vrt\u00e1n\u00ed a n\u00e1boje?<\/h2>\n

    Poskytnut\u00ed informac\u00ed o rozte\u010di, pr\u016fm\u011bru v\u00e1le\u010dk\u016f, po\u010dtu zub\u016f, typu n\u00e1boje a rozm\u011brech otvoru p\u0159ed objedn\u00e1n\u00edm n\u00e1m umo\u017e\u0148uje potvrdit p\u0159esnou specifikaci \u2013 v\u010detn\u011b toho, zda je \u0159ada \u0159et\u011bzu a geometrie zub\u016f \u0159et\u011bzov\u00e9ho kola kompatibiln\u00ed \u2013 je\u0161t\u011b p\u0159edt\u00edm, ne\u017e je materi\u00e1l zad\u00e1n k odb\u011bru.<\/p>\n

    Prohl\u00e9dn\u011bte si na\u0161i nab\u00eddku ozuben\u00fdch kol<\/a>
    \n    Kontaktujte na\u0161e in\u017een\u00fdry<\/a><\/div>\n<\/div>\n<\/div>\n

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

    Anatomy of a Sprocket: Tooth Profile, Hub Types and Material Selection Getting the hub configuration wrong costs more time than getting the bore size wrong \u2014 and getting the tooth profile wrong costs you an entire drive system. This guide covers every structural element of a sprocket and exactly how each one affects performance and […]<\/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":[72,78,58],"class_list":["post-3364","post","type-post","status-publish","format-standard","hentry","category-chain-sprocket","tag-chain","tag-chain-sprocket","tag-sprocket"],"_links":{"self":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3364","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=3364"}],"version-history":[{"count":3,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3364\/revisions"}],"predecessor-version":[{"id":3367,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3364\/revisions\/3367"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/media?parent=3364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/categories?post=3364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/tags?post=3364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}