{"id":3359,"date":"2026-05-14T05:22:25","date_gmt":"2026-05-14T05:22:25","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3359"},"modified":"2026-05-14T05:22:25","modified_gmt":"2026-05-14T05:22:25","slug":"conveyor-chain-types-pitch-selection-industry-applications","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/cs\/conveyor-chain-types-pitch-selection-industry-applications\/","title":{"rendered":"Dopravn\u00edkov\u00fd \u0159et\u011bz: Typy, v\u00fdb\u011br rozte\u010de a pr\u016fmyslov\u00e9 aplikace"},"content":{"rendered":"
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P\u0159enos energie \u00b7 Pr\u016fmyslov\u00e9 in\u017een\u00fdrstv\u00ed<\/div>\n

Dopravn\u00edkov\u00fd \u0159et\u011bz: Typy, v\u00fdb\u011br rozte\u010de a pr\u016fmyslov\u00e9 aplikace<\/h1>\n

Standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz se p\u0159i pou\u017eit\u00ed v dopravn\u00edkov\u00fdch aplikac\u00edch, pro kter\u00e9 nebyl nikdy navr\u017een, porouch\u00e1 b\u011bhem n\u011bkolika m\u011bs\u00edc\u016f. P\u0159esn\u00e1 znalost typu dopravn\u00edkov\u00e9ho \u0159et\u011bzu pro va\u0161i aplikaci vy\u017eaduje \u2013 a d\u016fvod\u016f, pro\u010d jsou tyto rozd\u00edly d\u016fle\u017eit\u00e9 \u2013 odd\u011bluje spr\u00e1vn\u011b funguj\u00edc\u00ed syst\u00e9m od opakuj\u00edc\u00edch se probl\u00e9m\u016f s \u00fadr\u017ebou.<\/p>\n

Po\u017e\u00e1dejte o podporu s v\u00fdb\u011brem dopravn\u00edkov\u00e9ho \u0159et\u011bzu<\/a><\/p>\n<\/div>\n<\/div>\n

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Cement\u00e1rna v provincii Gyeonggi v Koreji se koncem roku 2023 pot\u00fdkala s opakovan\u00fdm selh\u00e1n\u00edm \u0159et\u011bzu na sv\u00e9m sl\u00ednkov\u00e9m vle\u010dn\u00e9m dopravn\u00edku. Z\u00e1vod si jako n\u00e1hradu objedn\u00e1val standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz ANSI #80 a pohony selh\u00e1valy p\u0159i smykov\u00e9m nam\u00e1h\u00e1n\u00ed \u010depem b\u011bhem 180\u2013250 hodin. Specifikace na pap\u00ed\u0159e vypadala spr\u00e1vn\u011b \u2013 rozte\u010d se shodovala, \u0159et\u011bz pasoval na ozuben\u00e1 kola a katalogov\u00e9 zat\u00ed\u017een\u00ed se zd\u00e1lo b\u00fdt dostate\u010dn\u00e9 pro vypo\u010d\u00edtan\u00e9 zat\u00ed\u017een\u00ed pohonu. N\u00e1kupn\u00ed t\u00fdm si nev\u0161iml, \u017ee p\u016fvodn\u00ed \u0159et\u011bz byl \u0159et\u011bz in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy 81XH, nikoli ANSI #80. \u201eH\u201c zde nen\u00ed p\u0159\u00edpona klasifikace \u2013 jedn\u00e1 se o zcela jinou \u0159adu \u0159et\u011bz\u016f s pr\u016fm\u011brem v\u00e1lce t\u00e9m\u011b\u0159 dvojn\u00e1sobn\u00fdm oproti standardn\u00edmu v\u00e1le\u010dkov\u00e9mu \u0159et\u011bzu a n\u011bkolikan\u00e1sobn\u011b vy\u0161\u0161\u00edm provozn\u00edm zat\u00ed\u017een\u00edm. N\u00e1klady na ka\u017ed\u00e9 selh\u00e1n\u00ed \u0159et\u011bzu, v\u010detn\u011b pr\u00e1ce a prostoj\u016f, osmkr\u00e1t p\u0159ekro\u010dily cenu spr\u00e1vn\u00e9ho \u0159et\u011bzu.<\/p>\n

Tento druh chyby je specifick\u00fd pro dopravn\u00edkov\u00fd \u0159et\u011bz<\/strong> aplikace, proto\u017ee dopravn\u00edkov\u00e9 pohony pokr\u00fdvaj\u00ed \u0161ir\u0161\u00ed rozsah z\u00e1t\u011b\u017eov\u00fdch podm\u00ednek, typ\u016f \u0159et\u011bz\u016f a technick\u00fdch standard\u016f ne\u017e jak\u00e1koli jin\u00e1 kategorie \u0159et\u011bzov\u00fdch pohon\u016f. Pochopen\u00ed toho, jak r\u016fzn\u00e9 dopravn\u00edkov\u00fd \u0159et\u011bz<\/strong> Z\u00e1kladem spr\u00e1vn\u00e9ho v\u00fdb\u011bru je, jak se jednotliv\u00e9 typy li\u0161\u00ed \u2013 konstruk\u010dn\u011b, rozm\u011brov\u011b i z hlediska aplikac\u00ed, pro kter\u00e9 jsou ur\u010deny.<\/p>\n

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Pro\u010d dopravn\u00edkov\u00fd \u0159et\u011bz nen\u00ed jen del\u0161\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz<\/h2>\n

Norma v\u00e1le\u010dkov\u00fd \u0159et\u011bz<\/strong> \u2014 typ pou\u017e\u00edvan\u00fd v pohonech motocykl\u016f, rozvodov\u00fdch pohonech p\u0159evodovek a obecn\u00fdch p\u0159enosech v\u00fdkonu \u2014 je navr\u017een prim\u00e1rn\u011b k p\u0159enosu rota\u010dn\u00edho momentu mezi dv\u011bma h\u0159\u00eddeli. Jeho geometrie optimalizuje kontaktn\u00ed plochu \u010depu a pouzdra a mechanismus z\u00e1b\u011bru v\u00e1le\u010dk\u016f pro tento \u00fa\u010del. Dopravn\u00edkov\u00fd \u0159et\u011bz m\u00e1 jin\u00e9 priority: mus\u00ed n\u00e9st rozlo\u017een\u00e9 zat\u00ed\u017een\u00ed po cel\u00e9 sv\u00e9 d\u00e9lce, odol\u00e1vat nep\u0159etr\u017eit\u00e9mu kontaktu s abrazivn\u00edmi nebo korozivn\u00edmi materi\u00e1ly a spolehliv\u011b fungovat po cel\u00e1 l\u00e9ta s minim\u00e1ln\u00edm p\u0159\u00edstupem pro \u00fadr\u017ebu.<\/p>\n

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T\u0159i struktur\u00e1ln\u00ed charakteristiky odli\u0161uj\u00ed dopravn\u00edkov\u00fd \u0159et\u011bz od standardn\u00edho hnac\u00edho \u0159et\u011bzu:<\/p>\n

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Pr\u016fm\u011br hlavn\u011b<\/div>\n

U dopravn\u00edkov\u00fdch \u0159et\u011bz\u016f stroj\u00edrensk\u00e9 t\u0159\u00eddy je vn\u011bj\u0161\u00ed pr\u016fm\u011br v\u00e1lce (pouzdra v\u00e1le\u010dku) v pom\u011bru k rozte\u010di ne\u00fam\u011brn\u011b velk\u00fd. To zv\u011bt\u0161uje dosedac\u00ed plochu proti pat\u011b zubu \u0159et\u011bzov\u00e9ho kola a rozkl\u00e1d\u00e1 kontaktn\u00ed nap\u011bt\u00ed na \u0161ir\u0161\u00ed povrch \u2013 co\u017e je kritick\u00e9, kdy\u017e ta\u017een\u00e9 zat\u00ed\u017een\u00ed vytv\u00e1\u0159\u00ed trval\u00e9 vysok\u00e9 bo\u010dn\u00ed zat\u00ed\u017een\u00ed \u0159et\u011bzu.<\/p>\n<\/div>\n

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Mo\u017enost p\u0159ipojen\u00ed<\/div>\n

V\u011bt\u0161ina dopravn\u00edkov\u00fdch \u0159et\u011bz\u016f je navr\u017eena pro sva\u0159ovan\u00e9 nebo \u0161roubovan\u00e9 upevn\u011bn\u00ed \u2013 prodlou\u017een\u00e9 \u010dl\u00e1nkov\u00e9 desky (K1, K2), ohnut\u00e9 upevn\u011bn\u00ed (A1, A2) nebo tla\u010dn\u00e9 ty\u010de \u2013 kter\u00e9 nesou dopravovan\u00fd materi\u00e1l. Geometrie upevn\u011bn\u00ed mus\u00ed b\u00fdt specifikov\u00e1na spolu s \u0159adou \u0159et\u011bzu, nikoli jako dodate\u010dn\u00e1 my\u0161lenka.<\/p>\n<\/div>\n

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Materi\u00e1lov\u00e9 varianty<\/div>\n

Dopravn\u00edkov\u00e9 syst\u00e9my pro potravin\u00e1\u0159sk\u00e9 \u00fa\u010dely vy\u017eaduj\u00ed vn\u011bj\u0161\u00ed desky z nerezov\u00e9 oceli s vnit\u0159n\u00edmi \u010d\u00e1stmi z uhl\u00edkov\u00e9 oceli nebo celonerezov\u00e9 v oplachovac\u00edch z\u00f3n\u00e1ch. V cement\u00e1rn\u00e1ch a t\u011b\u017eebn\u00edch aplikac\u00edch se pou\u017e\u00edv\u00e1 tepeln\u011b zpracovan\u00e1 uhl\u00edkov\u00e1 ocel s kalen\u00fdmi povrchy v\u00e1lc\u016f. Spr\u00e1vn\u00fd materi\u00e1l z\u00e1vis\u00ed na tom, s \u010d\u00edm se \u0159et\u011bz dot\u00fdk\u00e1, nikoli na po\u017eadavc\u00edch na p\u0159enos energie.<\/p>\n<\/div>\n<\/div>\n

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\u0160est typ\u016f dopravn\u00edch \u0159et\u011bz\u016f: konstrukce, rozsah rozte\u010de a spr\u00e1vn\u00e9 pou\u017eit\u00ed<\/h2>\n

Ka\u017ed\u00fd typ dopravn\u00edkov\u00e9ho \u0159et\u011bzu je navr\u017een pro specifick\u00fd charakter zat\u00ed\u017een\u00ed, provozn\u00ed prost\u0159ed\u00ed a geometrii manipulace s materi\u00e1lem. V\u00fdb\u011br nespr\u00e1vn\u00e9ho typu nejen zkracuje \u017eivotnost, ale m\u016f\u017ee tak\u00e9 zp\u016fsobit syst\u00e9mov\u00e9 poruchy, kter\u00e9 po\u0161kozuj\u00ed celou konstrukci dopravn\u00edku, nejen \u0159et\u011bz.<\/p>\n

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Typ \u0159et\u011bzu<\/th>\nTypick\u00fd rozsah t\u00f3n\u016f<\/th>\nStruktur\u00e1ln\u00ed prvek<\/th>\nPrim\u00e1rn\u00ed aplikace<\/th>\nOmezen\u00ed kl\u00ed\u010de<\/th>\n<\/tr>\n<\/thead>\n
Dvourozte\u010dn\u00fd v\u00e1le\u010dkov\u00fd \u0159et\u011bz<\/td>\n38,10\u201376,20 mm<\/td>\nStandardn\u00ed v\u00e1lec, rozte\u010d 2\u00d7<\/td>\nLehk\u00fd dopravn\u00edk, pomal\u00e1 re\u017eie, hromad\u011bn\u00ed d\u00edl\u016f<\/td>\nMax. ~60 m\/min; nad touto rychlost\u00ed polygon\u00e1ln\u00ed efekt<\/td>\n<\/tr>\n
\u0158et\u011bz s ploch\u00fdm vrcholem (843\/845\/1843)<\/td>\n25,40\u201350,80 mm<\/td>\nPloch\u00e1 horn\u00ed plocha desky; bez v\u00e1le\u010dk\u016f<\/td>\nPosuvn\u00fd dopravn\u00edk pro pln\u011bn\u00ed do lahv\u00ed, konzervov\u00e1n\u00ed, mont\u00e1\u017e automobil\u016f<\/td>\nVysok\u00e9 t\u0159en\u00ed na spodn\u00edm povrchu; vy\u017eaduje mazanou vodic\u00ed li\u0161tu<\/td>\n<\/tr>\n
\u0158et\u011bzec t\u0159\u00eddy in\u017een\u00fdra (55\/67\/81X\/88K)<\/td>\n63,5\u2013228,6 mm<\/td>\nVelk\u00e1 hlave\u0148, pevn\u00e9 pouzdro, t\u011b\u017ek\u00fd pl\u00e1t<\/td>\nVle\u010dn\u00e9 dopravn\u00edky, \u0161krab\u00e1kov\u00e9 dopravn\u00edky, t\u011b\u017eba, cement<\/td>\nNelze nahradit nap\u0159\u00ed\u010d d\u00edl\u010d\u00edmi s\u00e9riemi (riziko chyby 94 vs. 95)<\/td>\n<\/tr>\n
\u0158et\u011bz kore\u010dkov\u00e9ho elev\u00e1toru<\/td>\n76,20\u2013203,2 mm<\/td>\nSva\u0159en\u00e9 uchycen\u00ed pro p\u0159\u00edruby s kore\u010dkov\u00fdmi \u0161rouby<\/td>\nObiln\u00e9 sily, kore\u010dkov\u00e9 sily na cement, t\u011b\u017eba<\/td>\nVysok\u00e9 r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed v bod\u011b pln\u011bn\u00ed \u2013 nutno specifikovat t\u011b\u017ekou s\u00e9rii<\/td>\n<\/tr>\n
\u010cepov\u00fd \u0159et\u011bz (662\/667\/88K)<\/td>\n50,80\u2013101,60 mm<\/td>\nLitina nebo ocel, otev\u0159en\u00fd v\u00e1lec<\/td>\nZem\u011bd\u011blstv\u00ed, dopravn\u00edky d\u0159evn\u00ed \u0161t\u011bpky, odpad z pap\u00edrny<\/td>\nLitina k\u0159ehk\u00e1 p\u0159i n\u00e1razech; pro r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed je preferov\u00e1n typ oceli<\/td>\n<\/tr>\n
\u0158et\u011bz pro kladkostroje (\u0159ada AL\/BL)<\/td>\n12,70\u201350,80 mm<\/td>\n\u017d\u00e1dn\u00e9 v\u00e1le\u010dky; \u010dist\u00e9 tahov\u00e9 zat\u00ed\u017een\u00ed<\/td>\nSto\u017e\u00e1r vysokozdvi\u017en\u00e9ho voz\u00edku, je\u0159\u00e1bov\u00fd zved\u00e1k, vertik\u00e1ln\u00ed zdvih<\/td>\nNen\u00ed ur\u010deno pro horizont\u00e1ln\u00ed dopravn\u00edky; bo\u010dn\u00ed zat\u00ed\u017een\u00ed nen\u00ed ur\u010deno pro<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Chyba substituce \u0159ady 94 \/ \u0159ady 95:<\/strong> Tyto dva \u0159et\u011bzy t\u0159\u00eddy Engineer se ve standardn\u00edch kataloz\u00edch rozm\u011brov\u011b jev\u00ed t\u00e9m\u011b\u0159 identicky. Oba maj\u00ed stejn\u00e9 hodnoty rozte\u010de zub\u016f p\u0159i stejn\u00e9m po\u010dtu zub\u016f. Rozd\u00edl je ve vn\u011bj\u0161\u00edm pr\u016fm\u011bru v\u00e1lce (pouzdra v\u00e1le\u010dku) \u2013 \u0159ada 94 pou\u017e\u00edv\u00e1 v\u011bt\u0161\u00ed v\u00e1lce ne\u017e \u0159ada 95 se stejnou rozte\u010d\u00ed. Pou\u017eit\u00ed \u0159et\u011bzu \u0159ady 94 na \u0159et\u011bzov\u00fdch kolech \u0159ady 95 umis\u0165uje v\u011bt\u0161\u00ed v\u00e1lce vysoko na profil zubu, \u010d\u00edm\u017e se zat\u00ed\u017een\u00ed soust\u0159ed\u00ed na \u0161pi\u010dku zubu. B\u011bhem 200\u2013500 hodin se zuby \u0159et\u011bzov\u00e9ho kola zah\u00e1knou a \u0159et\u011bz se unav\u00ed na rozhran\u00ed v\u00e1lce a desky. P\u0159ed objedn\u00e1n\u00edm jak\u00e9hokoli \u0159et\u011bzu t\u0159\u00eddy Engineer si v\u017edy ov\u011b\u0159te pr\u016fm\u011br v\u00e1lce a zkontrolujte p\u0159esn\u00e9 ozna\u010den\u00ed \u0159ady. dopravn\u00edkov\u00fd \u0159et\u011bz<\/strong>.<\/div>\n

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Jak se li\u0161\u00ed zat\u00ed\u017een\u00ed \u0159et\u011bz\u016f s dvojitou rozte\u010d\u00ed a \u0159et\u011bz\u016f t\u0159\u00eddy Engineer<\/h2>\n
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Dvourozte\u010dov\u00fd p\u0159evodov\u00fd \u0159et\u011bz \u2013 v\u0161imn\u011bte si prodlou\u017een\u00e9 rozte\u010de \u010dl\u00e1nk\u016f se standardn\u00edm pr\u016fm\u011brem v\u00e1le\u010dk\u016f<\/p>\n<\/div>\n

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Dvourozte\u010dn\u00fd dopravn\u00edkov\u00fd \u0159et\u011bz<\/strong> P\u0159en\u00e1\u0161\u00ed zat\u00ed\u017een\u00ed stejn\u00fdm zp\u016fsobem jako standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz \u2013 tahovou silou v \u010dl\u00e1nkov\u00fdch desti\u010dk\u00e1ch a valiv\u00fdm kontaktem mezi v\u00e1le\u010dkem a ko\u0159enem zubu \u0159et\u011bzov\u00e9ho kola. Dvojit\u00e1 rozte\u010d jednodu\u0161e sni\u017euje po\u010det \u010dl\u00e1nk\u016f na metr \u0159et\u011bzu, \u010d\u00edm\u017e sni\u017euje hmotnost a n\u00e1klady na \u0159et\u011bz. Nezvy\u0161uje v\u0161ak \u00fam\u011brn\u011b nosnost \u2013 \u010dl\u00e1nkov\u00e9 desti\u010dky maj\u00ed stejn\u00fd pr\u016f\u0159ez jako ekvivalentn\u00ed \u0159et\u011bz se standardn\u00ed rozte\u010d\u00ed, tak\u017ee mezn\u00ed pevnost je v podstat\u011b stejn\u00e1 jako u verze se standardn\u00ed rozte\u010d\u00ed.<\/p>\n

\u0158et\u011bzec t\u0159\u00edd in\u017een\u00fdr\u016f<\/strong> pracuje na z\u00e1sadn\u011b odli\u0161n\u00e9m principu p\u0159enosu zat\u00ed\u017een\u00ed. V\u00e1lec (kombinovan\u00e1 sestava pouzdra a v\u00e1le\u010dku v \u0159et\u011bzov\u00e9 t\u0159\u00edd\u011b Engineer) m\u00e1 mnohem v\u011bt\u0161\u00ed vn\u011bj\u0161\u00ed pr\u016fm\u011br, ne\u017e by nazna\u010dovala samotn\u00e1 rozte\u010d. U \u0159et\u011bzu \u0159ady 67 s rozte\u010d\u00ed 63,5 mm je pr\u016fm\u011br v\u00e1lce 44,45 mm \u2013 pom\u011br v\u00e1lce k rozte\u010di 0,70 ve srovn\u00e1n\u00ed s 0,60 typick\u00fdmi pro standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz ANSI. Tento v\u011bt\u0161\u00ed v\u00e1lec dramaticky zv\u011bt\u0161uje projektovanou plochu lo\u017eiska mezi \u0159et\u011bzem a zubem \u0159et\u011bzov\u00e9ho kola, co\u017e umo\u017e\u0148uje \u0159et\u011bzu n\u00e9st mnohem vy\u0161\u0161\u00ed odporov\u00e9 zat\u00ed\u017een\u00ed na jednotku hmotnosti \u0159et\u011bzu. Nev\u00fdhodou je, \u017ee \u0159et\u011bzov\u00e1 kola v \u0159et\u011bzov\u00e9 t\u0159\u00edd\u011b Engineer mus\u00ed b\u00fdt vyrobena tak, aby odpov\u00eddala specifick\u00e9mu pr\u016fm\u011bru v\u00e1lce dan\u00e9 \u0159ady \u0159et\u011bzu \u2013 a \u0159ada mus\u00ed b\u00fdt potvrzena p\u0159ed zad\u00e1n\u00edm jak\u00e9koli objedn\u00e1vky.<\/p>\n<\/div>\n<\/div>\n

V\u00fdpo\u010det zat\u00ed\u017een\u00ed dopravn\u00edkov\u00fdch \u0159et\u011bz\u016f se tak\u00e9 li\u0161\u00ed od dimenzov\u00e1n\u00ed hnac\u00edho \u0159et\u011bzu. Hnac\u00ed \u0159et\u011bz se dimenzuje na z\u00e1klad\u011b p\u0159en\u00e1\u0161en\u00e9ho v\u00fdkonu a ot\u00e1\u010dek h\u0159\u00eddele. A \u0159et\u011bz vle\u010dn\u00e9ho dopravn\u00edku<\/strong> se dimenzuje z celkov\u00e9ho ta\u017een\u00e9ho zat\u00ed\u017een\u00ed \u2013 sou\u010dtu hmotnosti materi\u00e1lu na \u0159et\u011bzu vyn\u00e1soben\u00e9ho koeficientem t\u0159en\u00ed mezi \u0159et\u011bzem a \u017elabem a hmotnosti samotn\u00e9ho \u0159et\u011bzu vyn\u00e1soben\u00e9 stejn\u00fdm koeficientem. U 30metrov\u00e9ho horizont\u00e1ln\u00edho \u0161krab\u00e1kov\u00e9ho dopravn\u00edku s objemovou hmotnost\u00ed 2 000 kg\/h materi\u00e1lu a koeficientem t\u0159en\u00ed mezi \u0159et\u011bzem a ocelov\u00fdm \u017elabem 0,35 m\u016f\u017ee ta\u017een\u00e9 zat\u00ed\u017een\u00ed na zat\u00ed\u017een\u00e9 stran\u011b snadno dos\u00e1hnout 8\u201312 kN. Minim\u00e1ln\u00ed specifikaci \u0159et\u011bzu ur\u010duje limit provozn\u00edho zat\u00ed\u017een\u00ed \u0159et\u011bzu p\u0159i po\u017eadovan\u00e9m provozn\u00edm sou\u010diniteli (obvykle 8:1 pro r\u00e1zov\u011b zat\u00ed\u017een\u00e9 dopravn\u00edky dle praxe v pr\u016fmyslu) \u2013 nikoli instalovan\u00fd v\u00fdkon motoru.<\/p>\n

<\/p>\n

Jak vybrat rozte\u010d dopravn\u00edho \u0159et\u011bzu: Praktick\u00e1 metoda<\/h2>\n

Neexistuje univerz\u00e1ln\u011b pou\u017eiteln\u00fd vzorec pro v\u00fdb\u011br rozte\u010de \u0159et\u011bzu dopravn\u00edku \u2013 spr\u00e1vn\u00fd p\u0159\u00edstup z\u00e1vis\u00ed na tom, zda se jedn\u00e1 o vle\u010dn\u00fd dopravn\u00edk, letm\u00fd dopravn\u00edk, kore\u010dkov\u00fd elev\u00e1tor nebo syst\u00e9m s ploch\u00fdm posuvem. N\u00e1sleduj\u00edc\u00ed metoda plat\u00ed pro nejb\u011b\u017en\u011bj\u0161\u00ed p\u0159\u00edpad: horizont\u00e1ln\u00ed nebo m\u00edrn\u011b sklon\u011bn\u00fd vle\u010dn\u00fd nebo \u0161krabac\u00ed dopravn\u00edk.<\/p>\n

    \n
  1. Vypo\u010d\u00edtejte celkovou tahovou s\u00edlu \u0159et\u011bzu (Fc) v kN.<\/strong> Pro horizont\u00e1ln\u00ed vle\u010dn\u00fd dopravn\u00edk: Fc = (Wm + Wc) \u00d7 \u03bc \u00d7 g \/ 1000, kde Wm je hmotnost materi\u00e1lu na dopravn\u00edku (kg), Wc je hmotnost \u0159et\u011bzu a \u017ehav\u00e9ho dopravn\u00edku (kg), \u03bc je sou\u010dinitel t\u0159en\u00ed \u0159et\u011bzu o \u017elab (0,25\u20130,40 pro ocel na ocel) a g = 9,81 m\/s\u00b2. Pro \u0161ikm\u00e9 dopravn\u00edky se p\u0159id\u00e1v\u00e1 gravita\u010dn\u00ed slo\u017eka: Wm \u00d7 sin(\u03b8) \u00d7 g \/ 1000, kde \u03b8 je \u00fahel sklonu.<\/li>\n
  2. Pou\u017eijte faktor slu\u017eeb.<\/strong> Pro rovnom\u011brn\u00e9, kontinu\u00e1ln\u00ed zat\u00ed\u017een\u00ed: vyn\u00e1sobte Fc \u010d\u00edslem 5,0 (minim\u00e1ln\u00ed bezpe\u010dnostn\u00ed faktor pro pracovn\u00ed zat\u00ed\u017een\u00ed). Pro m\u00edrn\u00e9 r\u00e1zy (sypk\u00fd materi\u00e1l s ob\u010dasn\u00fdmi hrudkami): vyn\u00e1sobte \u010d\u00edslem 8,0. Pro siln\u00e9 r\u00e1zy (sk\u00e1la, ruda, velk\u00e9 kusy materi\u00e1lu): vyn\u00e1sobte \u010d\u00edslem 10,0 nebo v\u00edce. T\u00edm z\u00edsk\u00e1te po\u017eadovan\u00e9 minim\u00e1ln\u00ed zat\u00ed\u017een\u00ed \u0159et\u011bzu.<\/li>\n
  3. Vyberte typ a rozte\u010d \u0159et\u011bzu z tabulek pevnosti v tahu.<\/strong> Pomoc\u00ed po\u017eadovan\u00e9 pevnosti v tahu ur\u010dete t\u0159\u00eddu dopravn\u00edch \u0159et\u011bz\u016f pro t\u011b\u017ek\u00e9 provozy nebo \u0159adu dopravn\u00edkov\u00fdch \u0159et\u011bz\u016f pro vysok\u00e9 zat\u00ed\u017een\u00ed, kter\u00e1 tuto hodnotu spl\u0148uje nebo p\u0159ekra\u010duje. Ov\u011b\u0159te, zda je pr\u016fm\u011br v\u00e1lce vybran\u00e9ho \u0159et\u011bzu kompatibiln\u00ed s dostupn\u00fdmi ozuben\u00fdmi koly pro po\u017eadovanou osovou vzd\u00e1lenost a konfiguraci h\u0159\u00eddele.<\/li>\n
  4. Zkontrolujte rychlost \u0159et\u011bzu oproti maxim\u00e1ln\u00ed rychlosti pro vybran\u00fd typ.<\/strong> Dvourozte\u010dn\u00fd dopravn\u00edkov\u00fd \u0159et\u011bz: maxim\u00e1ln\u00ed praktick\u00e1 rychlost je p\u0159ibli\u017en\u011b 60 m\/min. Standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz na dopravn\u00edkov\u00e9m za\u0159\u00edzen\u00ed: 50\u2013150 m\/min v z\u00e1vislosti na rozte\u010di. Stroj\u00edrensk\u00e1 t\u0159\u00edda: obecn\u011b pod 30 m\/min \u2013 tyto \u0159et\u011bzy jsou navr\u017eeny pro vysok\u00e9 zat\u00ed\u017een\u00ed p\u0159i n\u00edzk\u00e9 rychlosti, nikoli pro vysokorychlostn\u00ed dopravu.<\/li>\n<\/ol>\n
    Protiintuitivn\u00ed: men\u0161\u00ed rozte\u010d, v\u00edce pramen\u016f \u010dasto p\u0159ekon\u00e1v\u00e1 jednoduch\u00fd \u0159et\u011bz s velkou rozte\u010d\u00ed p\u0159i n\u00e1razech.<\/strong> Pro aplikace s vle\u010dn\u00fdmi dopravn\u00edky s vysok\u00fdm cyklick\u00fdm r\u00e1zov\u00fdm zat\u00ed\u017een\u00edm z nepravideln\u00e9ho pod\u00e1v\u00e1n\u00ed materi\u00e1lu m\u016f\u017ee m\u00edt dvoupramenn\u00fd \u0159et\u011bz s men\u0161\u00ed rozte\u010d\u00ed v\u00fdrazn\u011b lep\u0161\u00ed odolnost proti \u00fanav\u011b ne\u017e jednopramenn\u00fd \u0159et\u011bz s velkou rozte\u010d\u00ed se stejn\u00fdm katalogov\u00fdm zat\u00ed\u017een\u00edm. D\u016fvodem je, \u017ee \u00fanavov\u00e1 \u017eivotnost \u0159et\u011bzu vystaven\u00e9ho r\u00e1z\u016fm je dominantn\u011b ovlivn\u011bna maxim\u00e1ln\u00edm nap\u011bt\u00edm na rozhran\u00ed \u010dep-pouzdro \u2013 a toto maxim\u00e1ln\u00ed nap\u011bt\u00ed se m\u011bn\u00ed s pom\u011brem r\u00e1zov\u00e9ho zat\u00ed\u017een\u00ed k plo\u0161e pr\u016f\u0159ezu \u010depu. Zdvojn\u00e1soben\u00edm po\u010dtu pramen\u016f se zdvojn\u00e1sob\u00ed plocha pr\u016f\u0159ezu \u010depu nesouc\u00edho r\u00e1z, \u010d\u00edm\u017e se sn\u00ed\u017e\u00ed maxim\u00e1ln\u00ed nap\u011bt\u00ed a prodlu\u017euje se \u00fanavov\u00e1 \u017eivotnost nad r\u00e1mec toho, co by p\u0159edpov\u00eddala samotn\u00e1 jmenovit\u00e1 nosnost.<\/div>\n

    <\/p>\n

    Dopravn\u00edkov\u00fd \u0159et\u011bz ve specifick\u00fdch odv\u011btv\u00edch: Co se vlastn\u011b specifikuje<\/h2>\n

    \"\"<\/p>\n

    Pr\u016fmyslov\u00e9 dopravn\u00edkov\u00e9 syst\u00e9my vy\u017eaduj\u00ed v\u00fdb\u011br \u0159et\u011bz\u016f odpov\u00eddaj\u00edc\u00ed hmotnosti materi\u00e1lu, \u00farovni od\u011bru a charakteru r\u00e1z\u016f \u2013 nejen instalovan\u00e9mu v\u00fdkonu motoru.<\/p>\n

    Zpracov\u00e1n\u00ed cementu a miner\u00e1l\u016f.<\/strong> Vle\u010dn\u00e9 dopravn\u00edky sl\u00ednku, dopravn\u00edky pro pod\u00e1v\u00e1n\u00ed surovin do ml\u00fdna a vstupn\u00ed dopravn\u00edky do pec\u00ed pracuj\u00ed v extr\u00e9mn\u011b abrazivn\u00edch podm\u00ednk\u00e1ch p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch. Standardn\u00ed specifikace je zde in\u017een\u00fdrsk\u00e1 t\u0159\u00edda 81XH nebo 88K. dopravn\u00edkov\u00fd \u0159et\u011bz<\/a> s tepeln\u011b zpracovan\u00fdmi v\u00e1lci (obvykle 55\u201360 HRC na povrchu v\u00e1lce). Kritick\u00fdm zp\u016fsobem selh\u00e1n\u00ed v cementov\u00e9m prost\u0159ed\u00ed je od\u011br v\u00e1lce od prachov\u00fdch \u010d\u00e1stic vstupuj\u00edc\u00edch do kontaktn\u00ed z\u00f3ny mezi v\u00e1lcem a ozuben\u00fdm kolem \u2013 nikoli \u00fanava \u0159et\u011bzu. Ut\u011bsn\u011bn\u00e9 \u0159et\u011bzy in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy, pokud jsou k dispozici, dramaticky prodlu\u017euj\u00ed \u017eivotnost v cementov\u00fdch aplikac\u00edch t\u00edm, \u017ee zabra\u0148uj\u00ed vniknut\u00ed prachu do rozhran\u00ed v\u00e1lce a desky.<\/p>\n

    Obiln\u00e9 a zem\u011bd\u011blsk\u00e9 sily.<\/strong> \u0158et\u011bzy kore\u010dkov\u00fdch elev\u00e1tor\u016f pou\u017e\u00edvan\u00e9 p\u0159i manipulaci s obil\u00edm pou\u017e\u00edvaj\u00ed dvourozte\u010dn\u00e9 nebo t\u011b\u017ek\u00e9 v\u00e1le\u010dkov\u00e9 \u0159et\u011bzy s p\u0159iva\u0159en\u00fdmi upev\u0148ovac\u00edmi deskami kore\u010dk\u016f v pravideln\u00fdch intervalech. Rozte\u010d mezi upev\u0148ovac\u00edmi \u010dl\u00e1nky kore\u010dk\u016f mus\u00ed b\u00fdt p\u0159esn\u00fdm n\u00e1sobkem rozte\u010de \u0159et\u011bzu, aby se zachovalo vyrovn\u00e1n\u00ed kore\u010dk\u016f na hlav\u011b a pat\u011b \u0159et\u011bzov\u00fdch kol. Pro korejsk\u00e1 za\u0159\u00edzen\u00ed na zpracov\u00e1n\u00ed r\u00fd\u017ee je standardn\u00ed konfigurac\u00ed pro vertik\u00e1ln\u00ed nohy r\u00fd\u017eov\u00e9ho elev\u00e1toru pracuj\u00edc\u00ed rychlost\u00ed 45\u201380 m\/min dvourozte\u010dn\u00fd \u0159et\u011bz #2060 a #2080 s upev\u0148ovac\u00edmi deskami K1.<\/p>\n

    V\u00fdroba potravin a n\u00e1poj\u016f.<\/strong> \u0158et\u011bzov\u00e9 dopravn\u00edky s ploch\u00fdm povrchem pro lahve, plechovky a obaly pat\u0159\u00ed mezi technicky nejn\u00e1ro\u010dn\u011bj\u0161\u00ed dopravn\u00edkov\u00e9 aplikace \u2013 nikoli z d\u016fvodu zat\u00ed\u017een\u00ed, ale z hygienick\u00fdch a rozm\u011brov\u00fdch d\u016fvod\u016f. Ploch\u00fd povrch mus\u00ed spl\u0148ovat p\u0159\u00edsn\u00e9 tolerance rovinnosti, aby se n\u00e1doby b\u011bhem p\u0159epravy mezi dopravn\u00edky nep\u0159evrhly. Nerezov\u00e1 ozuben\u00e1 kola s ploch\u00fdm vrcholem<\/a> Vodic\u00ed li\u0161ty z UHMW jsou standardn\u00ed specifikac\u00ed pro potravin\u00e1\u0159sk\u00fd pr\u016fmysl, \u010d\u00edm\u017e se sou\u010dasn\u011b eliminuje riziko koroze a kontaminace mazivem.<\/p>\n

    Mont\u00e1\u017e automobil\u016f.<\/strong> Nadzemn\u00ed dopravn\u00edky bez pohonu v automobilov\u00fdch mont\u00e1\u017en\u00edch z\u00e1vodech pou\u017e\u00edvaj\u00ed speci\u00e1ln\u011b profilovan\u00fd trolejov\u00fd \u0159et\u011bz s k\u00f3dovanou rozte\u010d\u00ed nosi\u010d\u016f pro dodr\u017een\u00ed naprogramovan\u00fdch \u010dasov\u00fdch oken mont\u00e1\u017ee. \u0158et\u011bz v t\u011bchto syst\u00e9mech je obvykle kovan\u00fd z\u00e1pustkov\u011b s rozte\u010d\u00ed 4 palce nebo 6 palc\u016f \u2013 kategorie, kter\u00e1 se zcela li\u0161\u00ed od v\u00e1le\u010dkov\u00fdch i konstruk\u010dn\u00edch \u0159et\u011bz\u016f, a pou\u017e\u00edv\u00e1 kovan\u00e9 ocelov\u00e9 \u010dl\u00e1nky s pln\u00fdmi \u010depy nam\u00edsto lisovan\u00e9 konstrukce s deskou a \u010depem u standardn\u00edho v\u00e1le\u010dkov\u00e9ho \u0159et\u011bzu.<\/p>\n

    Za\u0159\u00edzen\u00ed na odpad a recyklaci.<\/strong> Vratn\u00e9 ro\u0161ty a dopravn\u00edky s pohyblivou podlahou v za\u0159\u00edzen\u00edch na energetick\u00e9 zpracov\u00e1n\u00ed odpadu a recykla\u010dn\u00edch centrech vy\u017eaduj\u00ed \u0159et\u011bz s velmi vysokou odolnost\u00ed v\u016f\u010di bo\u010dn\u00edmu zat\u00ed\u017een\u00ed objemn\u00fdm, nepravideln\u011b tvarovan\u00fdm odpadn\u00edm materi\u00e1lem. Konven\u010dn\u00edm \u0159e\u0161en\u00edm je \u010depov\u00fd \u0159et\u011bz (lit\u00fd nebo temperovan\u00fd litina) se sva\u0159ovan\u00fdmi nosn\u00edky, a\u010dkoli ocelov\u00fd \u010depov\u00fd \u0159et\u011bz je st\u00e1le v\u00edce up\u0159ednost\u0148ov\u00e1n p\u0159ed litinov\u00fdm, proto\u017ee ocelov\u00e1 varianta elasticky absorbuje r\u00e1zov\u00e1 zat\u00ed\u017een\u00ed, sp\u00ed\u0161e ne\u017e aby se l\u00e1mala p\u0159i n\u00e1razu tvrd\u00fdch p\u0159edm\u011bt\u016f v proudu odpadu.<\/p>\n

    <\/p>\n

    Mo\u017enosti materi\u00e1l\u016f a povrchov\u00fdch \u00faprav pro dopravn\u00edkov\u00fd \u0159et\u011bz<\/h2>\n
    \n\n\n\n\n\n\n\n\n\n
    Materi\u00e1l \/ Zpracov\u00e1n\u00ed<\/th>\nKorozn\u00ed vlastnosti<\/th>\nOdolnost proti opot\u0159eben\u00ed<\/th>\nNejvhodn\u011bj\u0161\u00ed prost\u0159ed\u00ed<\/th>\nRelativn\u00ed n\u00e1klady<\/th>\n<\/tr>\n<\/thead>\n
    Uhl\u00edkov\u00e1 ocel, \u010dern\u00fd oxid<\/td>\nN\u00edzk\u00fd<\/td>\nDobr\u00e9 (s maz\u00e1n\u00edm)<\/td>\nSuch\u00e9 vnit\u0159n\u00ed prost\u0159ed\u00ed; manipulace s miner\u00e1ly s maz\u00e1n\u00edm<\/td>\nZ\u00e1kladn\u00ed hodnota<\/td>\n<\/tr>\n
    Poniklovan\u00e1 uhl\u00edkov\u00e1 ocel<\/td>\nM\u00edrn\u00fd<\/td>\nDobr\u00fd<\/td>\nM\u00edrn\u011b korozivn\u00ed; b\u011b\u017en\u00e1 manipulace v bl\u00edzkosti potravin<\/td>\n+25\u201340%<\/td>\n<\/tr>\n
    Nerezov\u00e1 ocel 304, sm\u00ed\u0161en\u00e9 vnit\u0159n\u00ed \u010d\u00e1sti<\/td>\nDobr\u00fd<\/td>\nSt\u0159edn\u00ed (m\u011bk\u010d\u00ed \u010deln\u00ed strana zub\u016f)<\/td>\nZpracov\u00e1n\u00ed potravin, z\u00f3ny pro myt\u00ed m\u00edrn\u00fdmi kyselinami<\/td>\n+80\u2013120%<\/td>\n<\/tr>\n
    Nerezov\u00e1 ocel 316L, v\u0161echny vn\u011bj\u0161\u00ed<\/td>\nVynikaj\u00edc\u00ed<\/td>\nM\u00edrn\u00fd<\/td>\nMo\u0159sk\u00e9 plody, chemick\u00e9, chlorovan\u00e9 myt\u00ed<\/td>\n+140\u2013180%<\/td>\n<\/tr>\n
    Kalen\u00e1 hlave\u0148, uhl\u00edkov\u00fd plech<\/td>\nN\u00edzk\u00e1\u2013St\u0159edn\u00ed<\/td>\nVynikaj\u00edc\u00ed<\/td>\nCement, t\u011b\u017eba, manipulace s abrazivn\u00edmi sypk\u00fdmi materi\u00e1ly<\/td>\n+30\u201360%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    <\/p>\n

    M\u011b\u0159en\u00ed opot\u0159eben\u00ed dopravn\u00edkov\u00e9ho \u0159et\u011bzu a pl\u00e1nov\u00e1n\u00ed jeho v\u00fdm\u011bny<\/h2>\n
    \n
    \n

    Dopravn\u00edkov\u00e9 \u0159et\u011bzy se vym\u011b\u0148uj\u00ed p\u0159i mez\u00edch prodlou\u017een\u00ed podobn\u00fdch jako hnac\u00ed \u0159et\u011bzy \u2013 2% pro v\u011bt\u0161inu lehk\u00fdch dopravn\u00edkov\u00fdch aplikac\u00ed, 1,5% pro aplikace s kritick\u00fdm p\u0159esn\u00fdm stoup\u00e1n\u00edm, jako jsou dopravn\u00edky s ploch\u00fdm vr\u0161kem, kde hroz\u00ed p\u0159evr\u00e1cen\u00ed produktu p\u0159i vy\u0161\u0161\u00edm prodlou\u017een\u00ed. Metoda m\u011b\u0159en\u00ed je identick\u00e1: spo\u010d\u00edtejte 12\u201320 \u010dl\u00e1nk\u016f na napnut\u00e9 stran\u011b, zm\u011b\u0159te vzd\u00e1lenost mezi \u010depy v cel\u00e9m rozsahu a porovnejte s nomin\u00e1ln\u00ed hodnotou.<\/p>\n

    Dodate\u010dn\u00e1 kontrola \u00fadr\u017eby specifick\u00e1 pro t\u0159\u00eddu strojn\u00edk\u016f \u0159et\u011bz vle\u010dn\u00e9ho dopravn\u00edku<\/strong> je opot\u0159eben\u00ed hlavn\u011b. Jak se vn\u011bj\u0161\u00ed povrch hlavn\u011b opot\u0159ebov\u00e1v\u00e1 kontaktem s abrazivn\u00edm materi\u00e1lem, efektivn\u00ed v\u00fd\u0161ka \u0159et\u011bzu se sni\u017euje a \u0159et\u011bz za\u010d\u00edn\u00e1 sed\u011bt v \u017elabu n\u00ed\u017ee, ne\u017e je navr\u017eeno. Kdy\u017e opot\u0159eben\u00ed hlavn\u011b zmen\u0161\u00ed p\u016fvodn\u00ed pr\u016fm\u011br hlavn\u011b o v\u00edce ne\u017e 15%, sni\u017euje se schopnost \u0159et\u011bzu \u010distit dno \u017elabu a zvy\u0161uje se neefektivita \u0161kr\u00e1b\u00e1n\u00ed nosn\u00edku. Tato kontrola vy\u017eaduje m\u011b\u0159en\u00ed posuvn\u00fdm m\u011b\u0159\u00edtkem n\u011bkolika pr\u016fm\u011br\u016f v\u00e1lc\u016f pod\u00e9l \u0159et\u011bzu ve srovn\u00e1n\u00ed s nomin\u00e1ln\u00ed hodnotou pro danou s\u00e9rii.<\/p>\n<\/div>\n

    \"\"<\/p>\n

    \u0158et\u011bz \u017eenijn\u00ed t\u0159\u00eddy \u2013 velk\u00fd pr\u016fm\u011br hlavn\u011b je viditeln\u00fd; v abrazivn\u00edm prost\u0159ed\u00ed je povinn\u00e9 sledovat opot\u0159eben\u00ed hlavn\u011b.<\/p>\n<\/div>\n<\/div>\n

    Jednou z \u010dast\u00fdch chyb p\u0159i pl\u00e1nov\u00e1n\u00ed v\u00fdm\u011bny \u0159et\u011bzu dopravn\u00edku je v\u00fdm\u011bna \u0159et\u011bzu bez kontroly geometrie zub\u016f \u0159et\u011bzov\u00e9ho kola. Opot\u0159ebovan\u00fd \u0159et\u011bz dopravn\u00edku b\u011b\u017e\u00edc\u00ed na spr\u00e1vn\u011b profilovan\u00e9m \u0159et\u011bzov\u00e9m kole opot\u0159ebuje patu zubu \u0159et\u011bzov\u00e9ho kola tak, aby odpov\u00eddala prodlou\u017een\u00e9 rozte\u010di \u0159et\u011bzu. Po instalaci nov\u00e9ho \u0159et\u011bzu jeho spr\u00e1vn\u011b rozm\u00edst\u011bn\u00e9 v\u00e1le\u010dky neodpov\u00eddaj\u00ed geometrii opot\u0159ebovan\u00e9 paty \u0159et\u011bzov\u00e9ho kola \u2013 dot\u00fdkaj\u00ed se zubu v bod\u011b v\u00fd\u0161e na profilu, \u010d\u00edm\u017e se zvy\u0161uje kontaktn\u00ed nap\u011bt\u00ed a urychluje se p\u0159ed\u010dasn\u00e9 prodlou\u017een\u00ed nov\u00e9ho \u0159et\u011bzu. Pokud jsou ro\u010dn\u00ed n\u00e1klady na \u0159et\u011bz dopravn\u00edku zna\u010dn\u00e9, je v\u00fdm\u011bna \u0159et\u011bzov\u00fdch kol sou\u010dasn\u011b s \u0159et\u011bzem v\u017edy spr\u00e1vn\u00fdm ekonomick\u00fdm rozhodnut\u00edm.<\/p>\n

    <\/p>\n

    \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
    \nLze pou\u017e\u00edt standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz ANSI jako n\u00e1hradu za dvourozte\u010dn\u00fd dopravn\u00edkov\u00fd \u0159et\u011bz?<\/summary>\n
    Ano, ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f. Dvourozte\u010dn\u00fd \u0159et\u011bz ANSI #2060 pou\u017e\u00edv\u00e1 stejn\u00fd pr\u016fm\u011br v\u00e1le\u010dk\u016f jako standardn\u00ed #60 a \u0159et\u011bzov\u00e1 kola pro dvourozte\u010dn\u00fd \u0159et\u011bz mohou akceptovat standardn\u00ed \u0159et\u011bz #60 se stejn\u00fdm po\u010dtem zub\u016f. Hmotnost na metr dvourozte\u010dn\u00e9ho \u0159et\u011bzu je p\u0159ibli\u017en\u011b o 40\u2013501 TP3T ni\u017e\u0161\u00ed ne\u017e u standardn\u00edho \u0159et\u011bzu #60, co\u017e je hlavn\u00ed d\u016fvod pro jeho specifikaci v aplikac\u00edch s pomal\u00fdmi dopravn\u00edky. Standardn\u00ed #60 bude b\u011b\u017eet na dvourozte\u010dn\u00fdch \u0159et\u011bzov\u00fdch kolech bez \u00faprav, pokud rychlost \u0159et\u011bzu z\u016fstane pod p\u0159ibli\u017en\u011b 80 m\/min. Nad touto rychlost\u00ed je pro plynulej\u0161\u00ed provoz vhodn\u011bj\u0161\u00ed specifikace standardn\u00ed rozte\u010de.<\/div>\n<\/details>\n
    \nJak\u00fd je rozd\u00edl mezi p\u0159\u00edslu\u0161enstv\u00edm K1 a K2 na dopravn\u00edkov\u00e9m \u0159et\u011bzu?<\/summary>\n
    \u00dachyty K1 jsou prodlou\u017een\u00e9 \u010dl\u00e1nkov\u00e9 desky s jedn\u00edm otvorem na jedn\u00e9 stran\u011b \u0159et\u011bzu. \u00dachyty K2 maj\u00ed prodlou\u017een\u00e9 \u010dl\u00e1nkov\u00e9 desky s otvory na obou stran\u00e1ch. \u00dachyt se rozprost\u00edr\u00e1 kolmo ke sm\u011bru pohybu \u0159et\u011bzu, co\u017e umo\u017e\u0148uje p\u0159i\u0161roubovat nosnou ty\u010d nebo nosi\u010d p\u0159\u00edmo k \u0159et\u011bzov\u00e9 desce. K2 se pou\u017e\u00edv\u00e1 tam, kde mus\u00ed b\u00fdt \u00fachyt bezpe\u010dn\u011b uchycen na obou stran\u00e1ch \u0159et\u011bzu \u2013 pro t\u011b\u017ek\u00e9 nosn\u00e9 ty\u010de nebo tam, kde p\u0159ipev\u0148ovan\u00fd komponent nese excentrick\u00e9 zat\u00ed\u017een\u00ed. Spr\u00e1vn\u00e9 specifikace typu \u00fachytu, velikosti otvoru a rozte\u010de otvor\u016f v dob\u011b objedn\u00e1vky je nezbytn\u00e1, proto\u017ee \u00fachyty se sva\u0159uj\u00ed nebo tvaruj\u00ed jako sou\u010d\u00e1st v\u00fdrobn\u00edho procesu \u0159et\u011bzu a nelze je snadno p\u0159idat pozd\u011bji.<\/div>\n<\/details>\n
    \nJak vypo\u010d\u00edt\u00e1m, kolik dopravn\u00edkov\u00e9ho \u0159et\u011bzu pot\u0159ebuji pro danou d\u00e9lku dopravn\u00edku?<\/summary>\n
    Pro dopravn\u00edk s uzav\u0159enou smy\u010dkou se dv\u011bma ozuben\u00fdmi koly je d\u00e9lka \u0159et\u011bzu v \u010dl\u00e1nc\u00edch: L = 2C\/p + (N1 + N2)\/2 + ((N2 \u2212 N1)\u00b2 \u00d7 p) \/ (4\u03c0\u00b2 \u00d7 C), kde C je osov\u00e1 vzd\u00e1lenost v mm, p je rozte\u010d \u0159et\u011bzu v mm, N1 je po\u010det zub\u016f mal\u00e9ho ozuben\u00e9ho kola a N2 je po\u010det zub\u016f velk\u00e9ho ozuben\u00e9ho kola. Zaokrouhlete na sud\u00fd po\u010det \u010dl\u00e1nk\u016f a ov\u011b\u0159te, zda je v\u00fdsledek dosa\u017eiteln\u00fd v r\u00e1mci nap\u00ednac\u00ed dr\u00e1hy nap\u00edna\u010de. U dopravn\u00edku s jedn\u00edm pohonem a v\u00edce nap\u00ednac\u00edmi ozuben\u00fdmi koly mus\u00ed b\u00fdt ka\u017ed\u00fd pramen \u0159et\u011bzu m\u011b\u0159en samostatn\u011b. K vypo\u010d\u00edtan\u00e9 d\u00e9lce p\u0159i\u010dt\u011bte 3\u20135% jako p\u0159\u00eddavek na \u00fadr\u017ebu prodlou\u017een\u00ed \u0159et\u011bzu, kter\u00e9 se vyvine b\u011bhem prvn\u00ed provozn\u00ed doby.<\/div>\n<\/details>\n
    \nJe dopravn\u00edkov\u00fd \u0159et\u011bz z nerezov\u00e9 oceli v prost\u0159ed\u00ed potravin\u00e1\u0159sk\u00e9ho pr\u016fmyslu bez\u00fadr\u017ebov\u00fd?<\/summary>\n
    Ne. \u0158et\u011bz z nerezov\u00e9 oceli v potravin\u00e1\u0159sk\u00fdch z\u00f3n\u00e1ch st\u00e1le vy\u017eaduje maz\u00e1n\u00ed potravin\u00e1\u0159sk\u00e9 kvality v m\u00edst\u011b spojen\u00ed \u010dep a pouzdro. Vn\u011bj\u0161\u00ed nerezov\u00e9 desky odol\u00e1vaj\u00ed korozi zp\u016fsoben\u00e9 oplachovac\u00edmi chemik\u00e1liemi, ale vnit\u0159n\u00ed komponenty z uhl\u00edkov\u00e9 oceli (u v\u011bt\u0161iny standardn\u00edch nerezov\u00fdch \u0159et\u011bz\u016f) st\u00e1le pot\u0159ebuj\u00ed ochranu proti korozi zp\u016fsoben\u00e9 t\u0159en\u00edm, ke kter\u00e9 doch\u00e1z\u00ed v m\u00edst\u011b spojen\u00ed \u010dep a pouzdro p\u0159i osciluj\u00edc\u00edm zat\u00ed\u017een\u00ed i bez p\u0159\u00edtomnosti kapaliny. Maziva NSF H1 potravin\u00e1\u0159sk\u00e9 kvality \u2013 nan\u00e1\u0161en\u00e1 kapac\u00ed maznic\u00ed na uvoln\u011bn\u00e9 stran\u011b \u2013 p\u0159edstavuj\u00ed spr\u00e1vnou specifikaci \u00fadr\u017eby pro nerezov\u00fd \u0159et\u011bz pro dopravn\u00edky potravin. \u0158et\u011bz, kter\u00fd skute\u010dn\u011b nevy\u017eaduje \u017e\u00e1dn\u00e9 maz\u00e1n\u00ed v pozic\u00edch pohonu, je plastov\u00fd \u0159et\u011bz UHMW, kter\u00fd je omezen na velmi n\u00edzk\u00e9 zat\u00ed\u017een\u00ed a n\u00edzk\u00e9 rychlosti.<\/div>\n<\/details>\n
    \nCo zp\u016fsobuje, \u017ee \u0159et\u011bzov\u00fd dopravn\u00edk s ploch\u00fdm vr\u0161kem za\u010dne p\u0159evrhovat lahve nebo plechovky?<\/summary>\n
    P\u0159ekl\u00e1p\u011bn\u00ed lahv\u00ed na dopravn\u00edc\u00edch s ploch\u00fdm vr\u0161kem je t\u00e9m\u011b\u0159 v\u017edy zp\u016fsobeno rozd\u00edln\u00fdm prodlou\u017een\u00edm mezi sousedn\u00edmi prameny u v\u00edcepramenn\u00e9ho syst\u00e9mu nebo opot\u0159ebovan\u00fdmi \u010depy z\u00e1v\u011bs\u016f s ploch\u00fdm vr\u0161kem, kter\u00e9 zp\u016fsobuj\u00ed lok\u00e1ln\u00ed zm\u011bny stoup\u00e1n\u00ed. Pokud maj\u00ed sousedn\u00ed prameny \u0159et\u011bzu r\u016fzn\u00e9 \u00farovn\u011b prodlou\u017een\u00ed (v d\u016fsledku r\u016fzn\u00e9 m\u00edry opot\u0159eben\u00ed, r\u016fzn\u00e9 historie maz\u00e1n\u00ed nebo toho, \u017ee jeden pramen nese v\u011bt\u0161\u00ed zat\u00ed\u017een\u00ed ne\u017e druh\u00fd), povrch s ploch\u00fdm vr\u0161kem se v m\u00edstech spoj\u016f zvln\u00ed. Kontejnery proch\u00e1zej\u00edc\u00ed vlnovou sekc\u00ed za\u017e\u00edvaj\u00ed lok\u00e1ln\u00ed \u00fahel n\u00e1klonu, kter\u00fd v kombinaci s v\u00fd\u0161kou t\u011b\u017ei\u0161t\u011b a pr\u016fm\u011brem z\u00e1kladny kontejneru m\u016f\u017ee p\u0159ekro\u010dit prahovou hodnotu stability p\u0159i p\u0159evr\u00e1cen\u00ed. Spr\u00e1vn\u00fdm \u0159e\u0161en\u00edm je vym\u011bnit oba prameny sou\u010dasn\u011b, nikoli pouze opot\u0159ebovan\u00fd pramen, a zkontrolovat syst\u00e9m maz\u00e1n\u00ed vodic\u00ed li\u0161ty, kter\u00fd zabra\u0148uje rozd\u00edln\u00e9mu t\u0159ec\u00edmu zat\u00ed\u017een\u00ed mezi ob\u011bma prameny.<\/div>\n<\/details>\n
    \nMohu si objednat dopravn\u00edkov\u00fd \u0159et\u011bz s nestandardn\u00ed rozte\u010d\u00ed upevn\u011bn\u00ed?<\/summary>\n
    Ano \u2013 rozte\u010d upevn\u011bn\u00ed na m\u00edru je standardn\u00ed v\u00fdrobn\u00ed mo\u017enost\u00ed pro v\u011bt\u0161inu s\u00e9ri\u00ed dopravn\u00edkov\u00fdch \u0159et\u011bz\u016f. Rozte\u010d upevn\u011bn\u00ed mus\u00ed b\u00fdt n\u00e1sobkem rozte\u010de \u0159et\u011bzu, aby se v ka\u017ed\u00e9 poloze upevn\u011bn\u00ed zachovalo spr\u00e1vn\u00e9 zarovn\u00e1n\u00ed \u010dl\u00e1nkov\u00fdch desek. Rozte\u010d upevn\u011bn\u00ed se specifikuje jako po\u010det rozte\u010d\u00ed \u0159et\u011bzu (nap\u0159. \u201eka\u017ed\u00e9 4 \u010dl\u00e1nky\u201c nebo \u201eka\u017ed\u00e9 6 rozte\u010d\u00ed\u201c). Minim\u00e1ln\u00ed praktick\u00e1 rozte\u010d upevn\u011bn\u00ed je 2 rozte\u010de; pod touto hodnotou si upev\u0148ovac\u00ed desky za\u010dnou navz\u00e1jem kolidovat s geometri\u00ed. N\u00e1\u0161 technick\u00fd t\u00fdm m\u016f\u017ee potvrdit proveditelnost a specifikovat geometrii upevn\u011bn\u00ed pro nestandardn\u00ed po\u017eadavky na rozte\u010d, jakmile n\u00e1m poskytnete s\u00e9rii \u0159et\u011bz\u016f, po\u017eadovanou rozte\u010d a zat\u00ed\u017een\u00ed na ka\u017ed\u00fd upev\u0148ovac\u00ed bod.<\/div>\n<\/details>\n

    <\/p>\n

    \n
    \u0158et\u011bz a ozuben\u00e9 kolo Korea Ever-Power<\/div>\n

    Pot\u0159ebujete specifikovat dopravn\u00edkov\u00fd \u0159et\u011bz pro va\u0161i aplikaci?<\/h2>\n

    Uveden\u00ed \u0159ady \u0159et\u011bzu, typu uchycen\u00ed, pr\u016fm\u011bru v\u00e1lce a provozn\u00edho prost\u0159ed\u00ed p\u0159ed objedn\u00e1n\u00edm zaji\u0161\u0165uje spr\u00e1vnou specifikaci \u2013 zabra\u0148uje tak chyb\u00e1m p\u0159i z\u00e1m\u011bn\u011b \u0159ady, kter\u00e9 jsou p\u0159\u00ed\u010dinou v\u011bt\u0161iny p\u0159ed\u010dasn\u00fdch selh\u00e1n\u00ed dopravn\u00edkov\u00fdch \u0159et\u011bz\u016f. Na\u0161i technici ov\u011b\u0159uj\u00ed kompatibilitu p\u0159ed potvrzen\u00edm jak\u00e9koli objedn\u00e1vky.<\/p>\n

    Prohl\u00e9dn\u011bte si sortiment dopravn\u00edkov\u00fdch \u0159et\u011bz\u016f<\/a>
    \n    \u017d\u00e1dost o konzultaci ohledn\u011b v\u00fdb\u011bru<\/a><\/div>\n<\/div>\n<\/div>\n

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

    P\u0159enos v\u00fdkonu \u00b7 Pr\u016fmyslov\u00e9 in\u017een\u00fdrstv\u00ed Dopravn\u00edkov\u00fd \u0159et\u011bz: Typy, v\u00fdb\u011br rozte\u010de a pr\u016fmyslov\u00e9 aplikace Standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz sel\u017ee b\u011bhem n\u011bkolika m\u011bs\u00edc\u016f, pokud je pou\u017eit v dopravn\u00edkov\u00fdch aplikac\u00edch, pro kter\u00e9 nebyl nikdy navr\u017een. P\u0159esn\u00e1 znalost typu dopravn\u00edkov\u00e9ho \u0159et\u011bzu pro va\u0161i aplikaci vy\u017eaduje \u2013 a pro\u010d jsou tyto rozd\u00edly d\u016fle\u017eit\u00e9 \u2013 odd\u011bluje spr\u00e1vn\u011b funguj\u00edc\u00ed syst\u00e9m od opakuj\u00edc\u00edch se probl\u00e9m\u016f s \u00fadr\u017ebou. [\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":[72,78,58],"class_list":["post-3359","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\/3359","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=3359"}],"version-history":[{"count":1,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3359\/revisions"}],"predecessor-version":[{"id":3360,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3359\/revisions\/3360"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/media?parent=3359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/categories?post=3359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/tags?post=3359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}