{"id":3340,"date":"2026-05-14T04:00:22","date_gmt":"2026-05-14T04:00:22","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3340"},"modified":"2026-05-14T04:00:22","modified_gmt":"2026-05-14T04:00:22","slug":"94-series-vs-95-series-engineer-class-sprockets-why-they-cannot-be-substituted","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/cs\/94-series-vs-95-series-engineer-class-sprockets-why-they-cannot-be-substituted\/","title":{"rendered":"Ozuben\u00e1 kola Engineer Class \u0159ady 94 vs. \u0159ady 95: Pro\u010d je nelze nahradit"},"content":{"rendered":"
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Upozorn\u011bn\u00ed na kritickou specifikaci \u00b7 \u0158et\u011bzec t\u0159\u00edd in\u017een\u00fdr\u016f<\/div>\n

Ozuben\u00e1 kola Engineer Class \u0159ady 94 vs. \u0159ady 95: Pro\u010d je nelze nahradit<\/h1>\n

Tyto dv\u011b \u0159ady ozuben\u00fdch kol zp\u016fsobuj\u00ed nejdra\u017e\u0161\u00ed chyby v identifikaci p\u0159i \u00fadr\u017eb\u011b pr\u016fmyslov\u00fdch dopravn\u00edk\u016f. Str\u00e1nky katalogu vypadaj\u00ed t\u00e9m\u011b\u0159 identicky. Pr\u016fm\u011bry rozte\u010dn\u00e9 kru\u017enice se li\u0161\u00ed o m\u00e9n\u011b ne\u017e 0,5 mm p\u0159i stejn\u00e9m po\u010dtu zub\u016f. P\u0159esto soub\u011bh jedn\u00e9 \u0159ady s druhou zni\u010d\u00ed ob\u011b sou\u010d\u00e1sti b\u011bhem 500 hodin. Tato p\u0159\u00edru\u010dka p\u0159esn\u011b vysv\u011btluje, co se li\u0161\u00ed a jak zjistit, kterou \u0159adu m\u00e1te.<\/p>\n

Nechte si od na\u0161ich technik\u016f ov\u011b\u0159it s\u00e9rii va\u0161eho \u0159et\u011bzu<\/a><\/p>\n<\/div>\n<\/div>\n

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V prosinci 2024 si technick\u00fd mana\u017eer v ocel\u00e1rn\u011b v Pohangu objednal kompletn\u00ed sadu n\u00e1hradn\u00edch ozuben\u00fdch kol pro dva pohony vle\u010dn\u00fdch dopravn\u00edk\u016f. Oba pohony pou\u017e\u00edvaly 25zub\u00e1 ozuben\u00e1 kola. Hodnoty pr\u016fm\u011bru rozte\u010dn\u00e9 kru\u017enice v seznamu d\u00edl\u016f se zd\u00e1ly b\u00fdt shodn\u00e9 \u2013 203,2 mm pro oba. Objedn\u00e1vka byla pro efektivitu slou\u010dena s jedn\u00edm dodavatelem. Kdy\u017e ozuben\u00e1 kola dorazila, nikdo si nev\u0161iml, \u017ee polovina objedn\u00e1vky byla \u0159ady 94 a polovina \u0159ady 95. Ozuben\u00e1 kola \u0159ady 95 byla instalov\u00e1na na pohon, kter\u00fd poh\u00e1n\u011bl \u0159et\u011bz \u0159ady 94. B\u011bhem 320 hodin se \u0159et\u011bz na tomto pohonu zah\u00e1kl na ka\u017ed\u00e9m \u010dtvrt\u00e9m zubu a musel b\u00fdt vy\u0159azen z provozu. Celkov\u00e9 n\u00e1klady na chybnou identifikaci: n\u00e1hradn\u00ed \u0159et\u011bz, nouzov\u00e1 pr\u00e1ce, 18 hodin nepl\u00e1novan\u00e9ho prostoje a n\u00e1klady na samotn\u00e1 nespr\u00e1vn\u00e1 ozuben\u00e1 kola. Cel\u00e9mu incidentu bylo mo\u017en\u00e9 p\u0159edej\u00edt jedn\u00edm m\u011b\u0159en\u00edm: pr\u016fm\u011brem v\u00e1lce \u0159et\u011bzu, kter\u00fd ji\u017e byl v pohonu.<\/p>\n

Chyba z\u00e1m\u011bny ozuben\u00fdch kol u \u0159ad 94 a 95, kter\u00e1 je typick\u00e1 pro in\u017een\u00fdry, je nej\u010dast\u011bj\u0161\u00ed a nejn\u00e1kladn\u011bj\u0161\u00ed chybnou identifikac\u00ed p\u0159i \u00fadr\u017eb\u011b pr\u016fmyslov\u00fdch dopravn\u00edk\u016f. Pochopen\u00ed toho, pro\u010d jsou tyto dv\u011b \u0159ady nekompatibiln\u00ed \u2013 nejen toho, \u017ee jsou nekompatibiln\u00ed \u2013 umo\u017e\u0148uje \u00fadr\u017eb\u00e1\u0159\u016fm identifikovat, se kterou \u0159adou pracuj\u00ed, pouze na z\u00e1klad\u011b \u0159et\u011bzu, ani\u017e by pot\u0159ebovali dokumentaci nebo \u010d\u00edsla d\u00edl\u016f.<\/p>\n

\"ozuben\u00e9<\/p>\n

\u0158et\u011bzec in\u017een\u00fdrsk\u00fdch t\u0159\u00edd: Kategorie a jej\u00ed pod\u0159ady<\/h2>\n

\u0158et\u011bz in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy je odli\u0161nou kategori\u00ed produkt\u016f od v\u00e1le\u010dkov\u00fdch \u0159et\u011bz\u016f ANSI. Zat\u00edmco v\u00e1le\u010dkov\u00fd \u0159et\u011bz je navr\u017een prim\u00e1rn\u011b pro p\u0159enos rota\u010dn\u00ed s\u00edly p\u0159i st\u0159edn\u00edch a\u017e vysok\u00fdch rychlostech, \u0159et\u011bz in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy je ur\u010den pro t\u011b\u017ek\u00e9 ta\u017een\u00e9 zat\u00ed\u017een\u00ed p\u0159i n\u00edzk\u00fdch rychlostech \u2013 pohony kore\u010dkov\u00fdch elev\u00e1tor\u016f, \u0161krab\u00e1kov\u00fdch dopravn\u00edk\u016f, ta\u017een\u00fdch \u0159et\u011bzov\u00fdch dopravn\u00edk\u016f a syst\u00e9my manipulace s materi\u00e1lem, kde je samotn\u00fd \u0159et\u011bz dopravn\u00edm prvkem, sp\u00ed\u0161e ne\u017e pouh\u00fdm spojov\u00e1n\u00edm dvou rotuj\u00edc\u00edch ozuben\u00fdch kol.<\/p>\n

Charakteristick\u00fdm znakem konstruk\u010dn\u00edho \u0159e\u0161en\u00ed \u0159et\u011bz\u016f in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy je v\u00e1lec \u2013 kombinovan\u00e1 sestava pouzdra a v\u00e1le\u010dku \u2013 kter\u00fd m\u00e1 v pom\u011bru k rozte\u010di mnohem v\u011bt\u0161\u00ed pr\u016fm\u011br ne\u017e u standardn\u00edho v\u00e1le\u010dkov\u00e9ho \u0159et\u011bzu. Tento velk\u00fd pr\u016fm\u011br v\u00e1lce poskytuje t\u0159i v\u00fdhody: v\u011bt\u0161\u00ed dosedac\u00ed plochu proti pat\u011b zubu \u0159et\u011bzov\u00e9ho kola (sn\u00ed\u017een\u00ed kontaktn\u00edho nap\u011bt\u00ed), v\u011bt\u0161\u00ed plochu otvoru pro \u010dep (sn\u00ed\u017een\u00ed nap\u011bt\u00ed \u010depu p\u0159i r\u00e1zov\u00e9m zat\u00ed\u017een\u00ed) a robustn\u011bj\u0161\u00ed vn\u011bj\u0161\u00ed povrch pro kontakt s vlo\u017ekami \u017elab\u016f a vodic\u00edmi li\u0161tami v aplikac\u00edch vle\u010dn\u00fdch dopravn\u00edk\u016f.<\/p>\n

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Norma ASME B29.10 (Ocelov\u00e9 \u0159et\u011bzy konstruk\u010dn\u00ed t\u0159\u00eddy) definuje n\u011bkolik odli\u0161n\u00fdch \u0159ad v r\u00e1mci kategorie konstruk\u010dn\u00ed t\u0159\u00eddy, ka\u017ed\u00e1 se specifickou kombinac\u00ed rozte\u010de a pr\u016fm\u011bru v\u00e1lce. Nej\u010dast\u011bji pou\u017e\u00edvan\u00e9 \u0159ady v korejsk\u00fdch pr\u016fmyslov\u00fdch aplikac\u00edch jsou:<\/p>\n

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S\u00e9rie<\/th>\nRozte\u010d (mm)<\/th>\nPr\u016fm\u011br hlavn\u011b (mm)<\/th>\nPom\u011br hlavn\u011b a stoup\u00e1n\u00ed<\/th>\nMinim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed (kN, na pramen)<\/th>\nPrim\u00e1rn\u00ed aplikace<\/th>\n<\/tr>\n<\/thead>\n
\u0158ada 55<\/td>\n41.3<\/td>\n25.4<\/td>\n0.615<\/td>\n71.2<\/td>\nZem\u011bd\u011blsk\u00fd odpor, st\u0159edn\u011b t\u011b\u017ek\u00fd provoz<\/td>\n<\/tr>\n
\u0158ada 67<\/td>\n63.5<\/td>\n44.4<\/td>\n0.699<\/td>\n142.3<\/td>\nT\u011b\u017ek\u00fd vle\u010dn\u00fd dopravn\u00edk, cement<\/td>\n<\/tr>\n
\u0158ada 78<\/td>\n63.5<\/td>\n44.4<\/td>\n0.699<\/td>\n142.3<\/td>\nPodobn\u00e9 jako 67 \u2013 jin\u00e1 tlou\u0161\u0165ka plechu<\/td>\n<\/tr>\n
\u0158ada 81X<\/td>\n63.5<\/td>\n44.4<\/td>\n0.699<\/td>\n178.0<\/td>\nVysokoz\u00e1t\u011b\u017eov\u00e9 \u0161krab\u00e1kov\u00e9 dopravn\u00edky, t\u011b\u017eebn\u00ed<\/td>\n<\/tr>\n
\u0158ada 94<\/td>\n101.6<\/td>\n57.1<\/td>\n0.562<\/td>\n356.0<\/td>\nT\u011b\u017ek\u00fd kore\u010dkov\u00fd elev\u00e1tor, t\u011b\u017eebn\u00ed t\u011b\u017en\u00ed t\u011b\u017en\u00ed r\u00e1m<\/td>\n<\/tr>\n
\u0158ada 95<\/td>\n101.6<\/td>\n50.8<\/td>\n0.500<\/td>\n356.0<\/td>\nTa\u017en\u00fd dopravn\u00edk, \u0161krabka, pro v\u0161eobecn\u00e9 pou\u017eit\u00ed<\/td>\n<\/tr>\n
\u0158ada 132<\/td>\n152.4<\/td>\n88.9<\/td>\n0.583<\/td>\n667.0<\/td>\nVelmi t\u011b\u017ek\u00fd vle\u010dn\u00fd dopravn\u00edk, ocel\u00e1\u0159sk\u00e9 okuje<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Rozd\u00edl v rozm\u011brech 94 vs. 95: V \u010dem p\u0159esn\u011b se li\u0161\u00ed a pro\u010d je to d\u016fle\u017eit\u00e9<\/h2>\n

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\n
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\u0158ada 94<\/div>\n
ASME B29.10 \u00b7 V\u011bt\u0161\u00ed hlave\u0148<\/div>\n
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H\u0159i\u0161t\u011b<\/span>101,6 mm (4 palce)<\/span><\/div>\n
Pr\u016fm\u011br hlavn\u011b<\/span>57,1 mm<\/span><\/div>\n
Pom\u011br hlavn\u011b \/ stoup\u00e1n\u00ed<\/span>0.562<\/span><\/div>\n
Minim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed<\/span>356 kN<\/span><\/div>\n
Ko\u0159en zubu \u0159et\u011bzov\u00e9ho kola<\/span>ri \u2248 29,4 mm<\/span><\/div>\n
PD (p\u0159\u00edklad 25T)<\/span>\u2248 814,3 mm<\/span><\/div>\n<\/div>\n<\/div>\n
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\u0158ada 95<\/div>\n
ASME B29.10 \u00b7 Men\u0161\u00ed hlave\u0148<\/div>\n
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H\u0159i\u0161t\u011b<\/span>101,6 mm (4 palce)<\/span><\/div>\n
Pr\u016fm\u011br hlavn\u011b<\/span>50,8 mm<\/span><\/div>\n
Pom\u011br hlavn\u011b \/ stoup\u00e1n\u00ed<\/span>0.500<\/span><\/div>\n
Minim\u00e1ln\u00ed mezn\u00ed zat\u00ed\u017een\u00ed<\/span>356 kN<\/span><\/div>\n
Ko\u0159en zubu \u0159et\u011bzov\u00e9ho kola<\/span>ri \u2248 26,2 mm<\/span><\/div>\n
PD (p\u0159\u00edklad 25T)<\/span>\u2248 814,3 mm<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n
Kritick\u00fd rozd\u00edl: pr\u016fm\u011br hlavn\u011b 6,3 mm \u2013 shodn\u00e1 rozte\u010d n\u00e1boj\u016f, shodn\u00fd pr\u016fm\u011br rozte\u010dn\u00e9 kru\u017enice, zcela nekompatibiln\u00ed profily zub\u016f.<\/strong> V\u00e1lec \u0159ady 94 m\u00e1 57,1 mm; v\u00e1lec \u0159ady 95 m\u00e1 50,8 mm \u2013 rozd\u00edl 6,3 mm, neboli 11%. Proto\u017ee se polom\u011br usazen\u00ed paty zubu \u0159et\u011bzov\u00e9ho kola (ri) vypo\u010d\u00edt\u00e1v\u00e1 z polom\u011bru v\u00e1lce a v\u016fle usazen\u00ed, m\u00e1 \u0159et\u011bzov\u00e9 kolo \u0159ady 95 patu zubu, kter\u00e1 m\u00e1 o 3,15 mm men\u0161\u00ed polom\u011br ne\u017e \u0159et\u011bzov\u00e9 kolo \u0159ady 94 se stejnou rozte\u010d\u00ed. Kdy\u017e \u0159et\u011bz \u0159ady 94 (v\u00e1lec 57,1 mm) b\u011b\u017e\u00ed na \u0159et\u011bzov\u00e9m kole \u0159ady 95 (pa\u017ee zubu dimenzovan\u00e1 pro v\u00e1lec 50,8 mm), v\u00e1lec dosed\u00e1 na boky zubu nad navr\u017eenou polohou paty zubu \u2013 je p\u0159ibli\u017en\u011b 3 mm vysoko na obou \u010delech zubu. T\u00edm se zat\u00ed\u017een\u00ed \u0159et\u011bzu koncentruje na \u0161pi\u010dky zub\u016f, sp\u00ed\u0161e ne\u017e aby se rozkl\u00e1dalo po k\u0159ivce usazen\u00ed, co\u017e vede k rychl\u00e9mu opot\u0159eben\u00ed \u010del zubu a charakteristick\u00e9mu \u201eh\u00e1kovit\u00e9mu\u201c profilu b\u011bhem 200\u2013500 provozn\u00edch hodin.<\/div>\n

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Pro\u010d katalogy zobrazuj\u00ed stejn\u00fd pr\u016fm\u011br rozte\u010dn\u00e9 kru\u017enice \u2013 a pro\u010d to uv\u00e1d\u00ed kupuj\u00edc\u00ed v omyl<\/h2>\n

D\u016fvodem chyby substituce je matematick\u00e1 shoda ve zp\u016fsobu v\u00fdpo\u010dtu pr\u016fm\u011bru rozte\u010dn\u00e9 kru\u017enice (PD). PD z\u00e1vis\u00ed pouze na rozte\u010di a po\u010dtu zub\u016f: PD = p \/ sin(180\u00b0 \/ N). \u0158ada 94 i \u0159ada 95 maj\u00ed stejnou rozte\u010d (101,6 mm), tak\u017ee p\u0159i jak\u00e9mkoli dan\u00e9m po\u010dtu zub\u016f jsou jejich pr\u016fm\u011bry rozte\u010dn\u00e9 kru\u017enice p\u0159esn\u011b stejn\u00e9. 25zub\u00e9 ozuben\u00e9 kolo \u0159ady 94 a 25zub\u00e9 ozuben\u00e9 kolo \u0159ady 95 maj\u00ed stejn\u00fd PD, p\u0159ibli\u017en\u011b 814,3 mm. Tato rovnost v PD je prominentn\u011b zobrazena ve v\u011bt\u0161in\u011b katalogov\u00fdch tabulek \u2013 a je to jedin\u00fd rozm\u011br, kter\u00fd v\u011bt\u0161ina kupuj\u00edc\u00edch porovn\u00e1v\u00e1.<\/p>\n

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Co katalogov\u00e1 tabulka PD neukazuje, je geometrie profilu zubu \u2013 konkr\u00e9tn\u011b polom\u011br usazen\u00ed paty zubu (ri), co\u017e je skute\u010dn\u00e1 z\u00e1b\u011brov\u00e1 plocha pro v\u00e1lec \u0159et\u011bzu. Tato hodnota nen\u00ed ve v\u011bt\u0161in\u011b distribu\u010dn\u00edch katalog\u016f uvedena, proto\u017ee se jedn\u00e1 o odvozen\u00fd rozm\u011br, kter\u00fd vydavatel katalogu p\u0159edpokl\u00e1d\u00e1, \u017ee kupuj\u00edc\u00ed z\u00edsk\u00e1 z technick\u00fdch v\u00fdkres\u016f. V\u011bt\u0161ina kupuj\u00edc\u00edch \u00fadr\u017eby nikdy k technick\u00fdm v\u00fdkres\u016fm nem\u00e1 p\u0159\u00edstup \u2013 objedn\u00e1vaj\u00ed z katalogov\u00e9 tabulky a p\u0159edpokl\u00e1daj\u00ed, \u017ee odpov\u00eddaj\u00edc\u00ed PD znamen\u00e1 odpov\u00eddaj\u00edc\u00ed geometrii z\u00e1b\u011bru.<\/p>\n

Polom\u011br usazen\u00ed ri pro pastorek \u0159ady 94 je: ri = (d\/2) + 0,006d + 0,003p, kde d je pr\u016fm\u011br v\u00e1lce a p je stoup\u00e1n\u00ed. Pro \u0159adu 94: ri = (57,1\/2) + 0,006(57,1) + 0,003(101,6) = 28,55 + 0,343 + 0,305 = 29,20 mm. Pro \u0159adu 95: ri = (50,8\/2) + 0,006(50,8) + 0,003(101,6) = 25,40 + 0,305 + 0,305 = 26,01 mm. Rozd\u00edl v polom\u011bru usazen\u00ed 3,19 mm znamen\u00e1, \u017ee oba profily zub\u016f jsou geometricky odli\u0161n\u00e9 \u2013 v\u00e1lec, kter\u00fd usazen na \u0159et\u011bzov\u00e9m kole \u0159ady 94 s polom\u011brem z\u00e1b\u011bru 29,20 mm, se bude dot\u00fdkat zubu \u0159et\u011bzov\u00e9ho kola \u0159ady 95 v z\u00e1sadn\u011b odli\u0161n\u00e9m bod\u011b na \u010deln\u00ed plo\u0161e zubu.<\/p>\n<\/div>\n

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V\u00fdpo\u010det polom\u011bru sezen\u00ed<\/div>\n
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\u0158ada 94<\/div>\n
ri = 28,55 + 0,343 + 0,305
\nri = 29,20 mm<\/strong><\/div>\n<\/div>\n
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\u0158ada 95<\/div>\n
ri = 25,40 + 0,305 + 0,305
\nri = 26,01 mm<\/strong><\/div>\n<\/div>\n
Rozd\u00edl: 3,19 mm<\/strong>
\nToto je chyba z\u00e1b\u011bru, kdy\u017e jedna s\u00e9rie b\u011b\u017e\u00ed proti ozuben\u00e9mu kolu druh\u00e9 s\u00e9rie.<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Jak zjistit, jakou s\u00e9rii m\u00e1te: Jedno m\u011b\u0159en\u00ed sta\u010d\u00ed<\/h2>\n

Identifikace s\u00e9rie \u0159et\u011bzu vy\u017eaduje pouze jedno m\u011b\u0159en\u00ed: vn\u011bj\u0161\u00ed pr\u016fm\u011br v\u00e1lce (pouzdra). Zm\u011b\u0159te vn\u011bj\u0161\u00ed pr\u016fm\u011br v\u00e1lce \u2013 v\u00e1lcov\u00e9ho prvku viditeln\u00e9ho mezi \u010dl\u00e1nkov\u00fdmi deskami \u2013 pomoc\u00ed posuvn\u00fdch m\u011b\u0159\u00edtek s vn\u011bj\u0161\u00edmi \u010delistmi. Nem\u011b\u0159te pr\u016fm\u011br otvoru pouzdra v\u00e1le\u010dku; zm\u011b\u0159te vn\u011bj\u0161\u00ed povrch, kter\u00fd se dot\u00fdk\u00e1 ko\u0159ene zubu \u0159et\u011bzov\u00e9ho kola. Pro ov\u011b\u0159en\u00ed konzistence zm\u011b\u0159te t\u0159i nebo \u010dty\u0159i v\u00e1lce v r\u016fzn\u00fdch poloh\u00e1ch pod\u00e9l \u0159et\u011bzu.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Nam\u011b\u0159en\u00fd pr\u016fm\u011br hlavn\u011b.<\/th>\n\u0158et\u011bzov\u00e1 \u0159ada<\/th>\nOzuben\u00e9 kolo na objedn\u00e1vku<\/th>\nPotvrdit tak\u00e9 nab\u00eddku<\/th>\n<\/tr>\n<\/thead>\n
56,4\u201357,8 mm<\/td>\n\u0158ada 94<\/td>\nObjednat pouze ozuben\u00e9 kolo \u0159ady 94<\/td>\n101,6 mm (4 palce)<\/td>\n<\/tr>\n
50,1\u201351,5 mm<\/td>\n\u0158ada 95<\/td>\nObjednat pouze ozuben\u00e9 kolo \u0159ady 95<\/td>\n101,6 mm (4 palce)<\/td>\n<\/tr>\n
43,7\u201344,8 mm<\/td>\n\u0158ada 81X \/ 67 \/ 78<\/td>\nPotvr\u010fte \u0161\u00ed\u0159ku desky pro rozli\u0161en\u00ed pods\u00e9ri\u00ed<\/td>\n63,5 mm (2,5 palce)<\/td>\n<\/tr>\n
24,8\u201325,7 mm<\/td>\n\u0158ada 55<\/td>\nObjednat pouze ozuben\u00e9 kolo \u0159ady 55<\/td>\n41,3 mm (1,63 palce)<\/td>\n<\/tr>\n
87,7\u201389,8 mm<\/td>\n\u0158ada 132<\/td>\nObjednat pouze ozuben\u00e9 kolo \u0159ady 132<\/td>\n152,4 mm (6 palc\u016f)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Protiintuitivn\u00ed: nejspolehliv\u011bj\u0161\u00edm zp\u016fsobem, jak ur\u010dit spr\u00e1vn\u00e9 \u0159et\u011bzov\u00e9 kolo, je zm\u011b\u0159it hlave\u0148 \u0159et\u011bzu \u2013 nikoli opot\u0159ebovan\u00e9 \u0159et\u011bzov\u00e9 kolo.<\/strong> Opot\u0159ebovan\u00e9 \u0159et\u011bzov\u00e9 kolo, kter\u00e9 se pohybovalo v \u0159et\u011bzu s k\u0159\u00ed\u017eovou \u0159adou, bude m\u00edt geometrii paty zubu upravenou sm\u011brem k st\u0159edn\u00ed hodnot\u011b mezi t\u011bmito dv\u011bma \u0159adami. M\u011b\u0159en\u00ed polom\u011bru paty zubu na opot\u0159ebovan\u00e9m \u0159et\u011bzov\u00e9m kole m\u016f\u017ee d\u00e1t nejednozna\u010dn\u00fd v\u00fdsledek, kter\u00fd neodpov\u00edd\u00e1 ani nomin\u00e1ln\u00ed hodnot\u011b \u0159ady 94, ani \u0159ad\u011b 95. V\u00e1lec \u0159et\u011bzu si v\u0161ak po celou dobu sv\u00e9 \u017eivotnosti zachov\u00e1v\u00e1 sv\u016fj nomin\u00e1ln\u00ed pr\u016fm\u011br \u2013 povrch v\u00e1lce se opot\u0159ebov\u00e1v\u00e1 dovnit\u0159 pouze v m\u00edst\u011b otvoru (kontaktn\u00ed plochy \u010depu), nikoli na vn\u011bj\u0161\u00edm povrchu, kter\u00fd se dot\u00fdk\u00e1 \u0159et\u011bzov\u00e9ho kola. M\u011b\u0159en\u00ed pr\u016fm\u011bru v\u00e1lce na \u0159et\u011bzu, kter\u00fd je aktu\u00e1ln\u011b v pohonu, poskytuje spolehlivou identifikaci \u0159ady bez ohledu na to, jak opot\u0159ebovan\u00e1 je kter\u00e1koli z komponent.<\/div>\n

<\/p>\n

Rizika nahrazen\u00ed v s\u00e9rii Engineer Class po roce 94 vs. 95<\/h2>\n

Chyba 94 vs 95 je nej\u010dast\u011bj\u0161\u00ed, ale nen\u00ed to jedin\u00e9 riziko z\u00e1m\u011bny v in\u017een\u00fdrsk\u00e9 t\u0159\u00edd\u011b. Pozornost si zaslou\u017e\u00ed t\u0159i dal\u0161\u00ed p\u00e1rov\u00e1n\u00ed:<\/p>\n

\u0158ada 67 vs. \u0159ada 81X.<\/strong> Oba maj\u00ed rozte\u010d 63,5 mm a pr\u016fm\u011br hlavn\u011b 44,4 mm \u2013 tak\u017ee je rozm\u011br hlavn\u011b nerozli\u0161uje. Rozd\u00edl je v tlou\u0161\u0165ce \u010dl\u00e1nkov\u00e9 desti\u010dky a pr\u016fm\u011bru \u010depu: \u0159ada 81XH m\u00e1 v\u00fdrazn\u011b t\u011b\u017e\u0161\u00ed profil desti\u010dky ne\u017e \u0159ada 67. Pou\u017eit\u00ed \u0159et\u011bzu \u0159ady 67 na ozuben\u00fdch kolech 81X (nebo naopak) nezp\u016fsobuje okam\u017eit\u011b probl\u00e9my se z\u00e1b\u011brem zub\u016f, proto\u017ee pr\u016fm\u011br hlavn\u011b je stejn\u00fd. Pou\u017eit\u00ed \u0159et\u011bzu \u0159ady 67 v pohonu dimenzovan\u00e9m pro kapacitu 81XH v\u0161ak zav\u00e1d\u00ed struktur\u00e1ln\u00ed podhodnocen\u00ed \u2013 \u0159et\u011bz nese zat\u00ed\u017een\u00ed, kter\u00e9 p\u0159ekra\u010duje jeho publikovan\u00fd sou\u010dinitel bezpe\u010dnosti p\u0159i p\u0159etr\u017een\u00ed, i kdy\u017e fyzicky pasuje na ozuben\u00e9 kolo. Identifikace vy\u017eaduje m\u011b\u0159en\u00ed tlou\u0161\u0165ky \u010dl\u00e1nkov\u00e9 desti\u010dky a porovn\u00e1n\u00ed s hodnotami publikovan\u00fdmi dle ASME B29.10 pro ka\u017edou \u0159adu.<\/p>\n

T\u011b\u017ek\u00fd v\u00e1le\u010dkov\u00fd \u0159et\u011bz ANSI (#80H, #100H) vs. t\u0159\u00edda Engineer.<\/strong> \u0158et\u011bzy t\u011b\u017ek\u00e9 \u0159ady ANSI s rozte\u010d\u00ed 25,4 mm a 31,75 mm maj\u00ed pr\u016fm\u011br v\u00e1lce 15,88 mm a 19,05 mm. \u0158et\u011bzy t\u0159\u00eddy Engineer za\u010d\u00ednaj\u00ed s minim\u00e1ln\u00ed rozte\u010d\u00ed 41,3 mm. Mezi t\u011bmito dv\u011bma kategoriemi nedoch\u00e1z\u00ed k p\u0159ekr\u00fdv\u00e1n\u00ed rozte\u010de, tak\u017ee samotn\u00e9 m\u011b\u0159en\u00ed rozte\u010de eliminuje toto riziko z\u00e1m\u011bny \u2013 pohony t\u0159\u00eddy Engineer nikdy nebudou pasovat na standardn\u00ed v\u00e1le\u010dkov\u00fd \u0159et\u011bz ANSI podle rozte\u010de.<\/p>\n

\"workshop<\/p>\n

Vlastn\u00ed \u0159et\u011bzec vs. standardn\u00ed \u0159ada ASME.<\/strong> N\u011bkte\u0159\u00ed v\u00fdrobci t\u011b\u017ek\u00fdch dopravn\u00edk\u016f (OEM) pou\u017e\u00edvaj\u00ed propriet\u00e1rn\u00ed \u0159et\u011bzy, kter\u00e9 sd\u00edlej\u00ed rozm\u011bry rozte\u010de s \u0159adou ASME Engineer, ale maj\u00ed odli\u0161n\u00e9 pr\u016fm\u011bry v\u00e1lce ne\u017e publikovan\u00e9 hodnoty ASME. K tomu doch\u00e1z\u00ed nej\u010dast\u011bji u japonsk\u00fdch a n\u011bmeck\u00fdch dopravn\u00edkov\u00fdch za\u0159\u00edzen\u00ed OEM provozovan\u00fdch v korejsk\u00fdch z\u00e1vodech. U t\u011bchto pohon\u016f by m\u011bl b\u00fdt rozm\u011br v\u00e1lce porovn\u00e1n s tabulkou ASME i s manu\u00e1lem k d\u00edl\u016fm OEM \u2013 pokud nam\u011b\u0159en\u00e1 hodnota neodpov\u00edd\u00e1 \u017e\u00e1dn\u00e9 \u0159ad\u011b ASME, m\u016f\u017ee b\u00fdt \u0159et\u011bz propriet\u00e1rn\u00ed a mus\u00ed b\u00fdt objedn\u00e1n prost\u0159ednictv\u00edm v\u00fdrobce OEM nebo ov\u011b\u0159en\u00e9ho dodavatele s k\u0159\u00ed\u017eov\u00fdm odkazem.<\/p>\n

<\/p>\n

\u010cty\u0159krokov\u00fd postup zad\u00e1v\u00e1n\u00ed ve\u0159ejn\u00fdch zak\u00e1zek, kter\u00fd zabra\u0148uje objedn\u00e1vk\u00e1m nap\u0159\u00ed\u010d s\u00e9riemi<\/h2>\n
    \n
  1. Zm\u011b\u0159te pr\u016fm\u011br v\u00e1lce na \u0159et\u011bzu, kter\u00fd je aktu\u00e1ln\u011b v pohonu.<\/strong> Pou\u017eijte extern\u00ed posuvn\u00e1 m\u011b\u0159\u00edtka; zaznamen\u00e1vejte s p\u0159esnost\u00ed na \u00b10,2 mm. Toto jedin\u00e9 m\u011b\u0159en\u00ed identifikuje s\u00e9rii. Nepou\u017e\u00edvejte opot\u0159ebovan\u00e9 ozuben\u00e9 kolo jako referenci pro identifikaci \u2013 jak je vysv\u011btleno v\u00fd\u0161e, opot\u0159ebovan\u00e1 geometrie zub\u016f u pohonu s k\u0159\u00ed\u017eovou \u0159adou je pro identifikaci s\u00e9rie nespolehliv\u00e1.<\/li>\n
  2. Potvr\u010fte v\u00fd\u0161ku t\u00f3nu metodou 10 \u010dl\u00e1nk\u016f.<\/strong> Zm\u011b\u0159te vzd\u00e1lenost mezi \u010depy nap\u0159\u00ed\u010d 10 \u010dl\u00e1nky a vyd\u011blte 10. U \u0159ad 94 a 95 by to m\u011blo potvrdit 101,6 mm. Pokud se nam\u011b\u0159en\u00e1 pr\u016fm\u011brn\u00e1 rozte\u010d li\u0161\u00ed od 101,6 mm o v\u00edce ne\u017e 3% (v\u00edce ne\u017e 3,0 mm), \u0159et\u011bz dos\u00e1hl sv\u00e9ho limitu prodlou\u017een\u00ed a mus\u00ed b\u00fdt vym\u011bn\u011bn sou\u010dasn\u011b s ozuben\u00fdmi koly.<\/li>\n
  3. V objedn\u00e1vce uve\u010fte jak pr\u016fm\u011br hlavn\u011b, tak i ozna\u010den\u00ed s\u00e9rie.<\/strong> Dodavateli uve\u010fte: ozna\u010den\u00ed s\u00e9rie (nap\u0159. \u201e\u0159ada 94\u201c), po\u010det zub\u016f, pr\u016fm\u011br otvoru a nam\u011b\u0159en\u00fd pr\u016fm\u011br v\u00e1lce z \u0159et\u011bzu. Pr\u016fm\u011br v\u00e1lce slou\u017e\u00ed jako nez\u00e1visl\u00e1 kontrola, zda p\u0159ijat\u00e9 ozuben\u00e9 kolo odpov\u00edd\u00e1 \u0159et\u011bzu v pohonu, nikoli pouze jmenovit\u00e9 ozna\u010den\u00ed s\u00e9rie z katalogov\u00e9 tabulky.<\/li>\n
  4. Po obdr\u017een\u00ed p\u0159ed instalac\u00ed ov\u011b\u0159te, zda hlave\u0148 zubu spr\u00e1vn\u011b l\u00edcuje s ko\u0159enem zubu.<\/strong> Um\u00edst\u011bte nov\u00e9 ozuben\u00e9 kolo vedle \u0159et\u011bzu a ru\u010dn\u011b usa\u010fte v\u00e1lec do paty zubu pou\u017eit\u00e9ho ozuben\u00e9ho kola. Lehk\u00fdm tlakem ruky by m\u011bl v\u00e1lec klesnout do paty zub\u016f a sed\u011bt v jedn\u00e9 rovin\u011b s \u010deln\u00edmi plochami zub\u016f, ani\u017e by se k\u00fdval nebo vy\u010dn\u00edval. Pokud se v\u00e1lec k\u00fdv\u00e1 na \u010deln\u00edch ploch\u00e1ch zub\u016f nebo je nad \u00farovn\u00ed kru\u017enice hrotu zubu, ozuben\u00e9 kolo je \u0161patn\u00e9 \u0159ady \u2013 neinstalujte ho.<\/li>\n<\/ol>\n

    <\/p>\n

    Kde jsou specifikov\u00e1ny syst\u00e9my in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy \u0159ady 94 a 95<\/h2>\n

    Ocel\u00e1rny a zpracov\u00e1n\u00ed kov\u016f.<\/strong> \u0158ada 94 je standardem pro pohony kore\u010dkov\u00fdch elev\u00e1tor\u016f s nosn\u00fdmi r\u00e1my ve vysok\u00fdch pec\u00edch \u2013 tyto pohony zvedaj\u00ed koks, rudu a aglomeraci ve velk\u00fdch kore\u010dc\u00edch p\u0159i n\u00edzk\u00fdch rychlostech a velmi vysok\u00e9m zat\u00ed\u017een\u00ed. V\u011bt\u0161\u00ed v\u00e1lec \u0159ady 94 poskytuje kontaktn\u00ed plochu pot\u0159ebnou pro spolehliv\u00fd provoz p\u0159i kombinaci trval\u00e9ho tahov\u00e9ho zat\u00ed\u017een\u00ed a r\u00e1zov\u00e9ho zat\u00ed\u017een\u00ed kore\u010dk\u016f v oblasti paty. Ozuben\u00e1 kola kore\u010dkov\u00fdch elev\u00e1tor\u016f \u0159ady 94<\/a> Pro tyto aplikace by m\u011bly b\u00fdt objedn\u00e1ny s potvrzen\u00fdmi certifik\u00e1ty tvrdosti zub\u016f \u2013 cementa\u010dn\u011b kalen\u00e9 zuby jsou standardem pro provoz ocel\u00e1ren.<\/p>\n

    Zpracov\u00e1n\u00ed cementu a miner\u00e1l\u016f.<\/strong> \u0158ada 95 se \u010dast\u011bji vyskytuje v horizont\u00e1ln\u00edch vle\u010dn\u00fdch dopravn\u00edc\u00edch v cement\u00e1rn\u00e1ch \u2013 vstupn\u00edch dopravn\u00edc\u00edch do pec\u00ed, podava\u010d\u00edch chladi\u010d\u016f sl\u00ednku a vle\u010dn\u00fdch \u0159et\u011bzech pro vstup surovin do ml\u00fdna. Men\u0161\u00ed v\u00e1lec \u0159ady 95 ji \u010din\u00ed leh\u010d\u00ed na metr ne\u017e \u0159adu 94 p\u0159i stejn\u00e9 rozte\u010di, co\u017e sni\u017euje hnac\u00ed v\u00fdkon pot\u0159ebn\u00fd u dlouh\u00fdch horizont\u00e1ln\u00edch vle\u010dn\u00fdch dopravn\u00edk\u016f, kde hmotnost \u0159et\u011bzu tvo\u0159\u00ed v\u00fdznamnou \u010d\u00e1st celkov\u00e9ho vle\u010dn\u00e9ho zat\u00ed\u017een\u00ed. P\u0159i stejn\u00e9 rozte\u010di a po\u010dtu zub\u016f m\u016f\u017ee \u0159et\u011bz \u0159ady 95 sn\u00ed\u017eit po\u017eadavky na pohon dopravn\u00edku o 8\u2013121 TP3T ve srovn\u00e1n\u00ed s \u0159adou 94, a to za cenu m\u00edrn\u011b men\u0161\u00ed kontaktn\u00ed plochy v\u00e1lce. Tento kompromis je p\u0159ijateln\u00fd pro horizont\u00e1ln\u00ed vle\u010dn\u00e9 zat\u00ed\u017een\u00ed, ale nikoli pro aplikace s vertik\u00e1ln\u00edm kore\u010dkov\u00fdm elev\u00e1torem, kde je rozhoduj\u00edc\u00ed kontaktn\u00ed nap\u011bt\u00ed v\u00e1lce.<\/p>\n

    T\u011b\u017eba a dob\u00fdv\u00e1n\u00ed.<\/strong> Ob\u011b \u0159ady se objevuj\u00ed v aplikac\u00edch vle\u010dn\u00fdch dopravn\u00edk\u016f v podzemn\u00edch d\u016fln\u00edch za\u0159\u00edzen\u00edch v Koreji a jihov\u00fdchodn\u00ed Asii. Volba specifikace mezi nimi je ur\u010dena konstruk\u010dn\u00edmi normami konzultanta \u2013 n\u011bkter\u00e9 in\u017een\u00fdrsk\u00e9 spole\u010dnosti standardizuj\u00ed \u0159adu 94 ve v\u0161ech sv\u00fdch projektech bez ohledu na aplikaci; jin\u00e9 specifikuj\u00ed \u0159adu 95 jako v\u00fdchoz\u00ed pro vle\u010dn\u00e9 dopravn\u00edky. Ani jeden z t\u011bchto p\u0159\u00edstup\u016f nen\u00ed z konstruk\u010dn\u00edho hlediska \u0161patn\u00fd, pokud je \u0159et\u011bz spr\u00e1vn\u011b dimenzov\u00e1n pro dan\u00e9 zat\u00ed\u017een\u00ed. Probl\u00e9m nast\u00e1v\u00e1, kdy\u017e t\u00fdm \u00fadr\u017eby za\u0159\u00edzen\u00ed vym\u011b\u0148uje komponenty bez p\u0159\u00edstupu k p\u016fvodn\u00ed konstruk\u010dn\u00ed specifikaci a objedn\u00e1v\u00e1 pouze podle katalogov\u00e9ho \u010d\u00edsla.<\/p>\n

    <\/p>\n

    \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
    \nPokud je pr\u016fm\u011br rozte\u010dn\u00e9 kru\u017enice stejn\u00fd, pro\u010d se li\u0161\u00ed poloha z\u00e1b\u011bru zubu?<\/summary>\n
    Proto\u017ee rozte\u010dn\u00e1 kru\u017enice je teoretick\u00fd konstrukt, nikoli fyzick\u00fd povrch. Rozte\u010dn\u00e1 kru\u017enice proch\u00e1z\u00ed st\u0159edy v\u00e1lc\u016f \u0159et\u011bzu, kdy\u017e jsou usazeny v jejich navr\u017een\u00e9 poloze v dosedac\u00ed k\u0159ivce paty zubu. Aby se v\u00e1lec \u0159ady 94 nach\u00e1zel na rozte\u010dn\u00e9 kru\u017enici, mus\u00ed usednout v polom\u011bru 29,20 mm od paty zubu. Pata zubu \u0159ady 95 m\u00e1 dosedac\u00ed k\u0159ivku na polom\u011bru 26,01 mm. Kdy\u017e je v\u00e1lec \u0159ady 94 um\u00edst\u011bn v pat\u011b zubu \u0159ady 95, fyzicky nem\u016f\u017ee dos\u00e1hnout dosedac\u00ed k\u0159ivky \u0159ady 95 \u2013 v\u00e1lec je p\u0159\u00edli\u0161 velk\u00fd na to, aby klesl do navr\u017een\u00e9 hloubky. Je v zubu o 3,19 mm v\u00fd\u0161e, ne\u017e je navr\u017eeno, co\u017e jej umis\u0165uje na polom\u011br rozte\u010dn\u00e9 kru\u017enice \u0159et\u011bzov\u00e9ho kola \u0159ady 95. To znamen\u00e1, \u017ee \u0159et\u011bz zab\u00edr\u00e1 nad navr\u017een\u00fdm bodem \u2013 na boc\u00edch zubu sp\u00ed\u0161e ne\u017e v pat\u011b zubu, co\u017e vytv\u00e1\u0159\u00ed vysok\u00e9 kontaktn\u00ed nap\u011bt\u00ed soust\u0159ed\u011bn\u00e9 na dvou mal\u00fdch ploch\u00e1ch \u010dela zubu, sp\u00ed\u0161e ne\u017e rozlo\u017een\u00e9 po zak\u0159iven\u00e9 dosedac\u00ed plo\u0161e.<\/div>\n<\/details>\n
    \nLze opravit k\u0159\u00ed\u017eov\u00fd pohon \u00fapravou geometrie zub\u016f \u0159et\u011bzov\u00e9ho kola?<\/summary>\n
    Teoreticky by bylo mo\u017en\u00e9 znovu obr\u00e1b\u011bt ko\u0159en zubu \u0159et\u011bzov\u00e9ho kola tak, aby se p\u0159izp\u016fsobil jin\u00e9mu pr\u016fm\u011bru v\u00e1lce \u2013 nap\u0159\u00edklad zv\u011bt\u0161en\u00edm polom\u011bru ko\u0159ene u \u0159et\u011bzov\u00e9ho kola \u0159ady 95 tak, aby odpov\u00eddal po\u017eadavku \u0159ady 94. V praxi se to nikdy nedoporu\u010duje a z\u0159\u00eddka je to provediteln\u00e9. Op\u011brn\u00e9 obr\u00e1b\u011bn\u00ed ko\u0159ene zubu vy\u017eaduje odstran\u011bn\u00ed materi\u00e1lu z dosedac\u00ed k\u0159ivky, co\u017e zmen\u0161uje pr\u016f\u0159ez zubu v jeho nejkriti\u010dt\u011bj\u0161\u00edm bod\u011b nap\u011bt\u00ed. U cementovan\u00fdch \u0159et\u011bzov\u00fdch kol op\u011brn\u00e9 obr\u00e1b\u011bn\u00ed proraz\u00ed kalen\u00e9 pouzdro a odhal\u00ed m\u011bkk\u00fd j\u00e1drov\u00fd materi\u00e1l v kontaktn\u00edm bod\u011b ko\u0159ene \u2013 opak toho, co je pot\u0159eba pro odolnost proti opot\u0159eben\u00ed. Spr\u00e1vn\u00fdm \u0159e\u0161en\u00edm je v\u017edy vym\u011bnit \u0159et\u011bzov\u00e9 kolo za spr\u00e1vnou \u0159adu, ne modifikovat nespr\u00e1vn\u00e9.<\/div>\n<\/details>\n
    \nJe na \u0159et\u011bzu nebo \u0159et\u011bzov\u00e9m kole ozna\u010den\u00ed nebo ra\u017een\u00ed, kter\u00e9 identifikuje s\u00e9rii?<\/summary>\n
    Ano, u nov\u00fdch sou\u010d\u00e1st\u00ed. \u0158et\u011bz dle ASME B29.10 je obvykle ozna\u010den na \u010dl\u00e1nkov\u00fdch desk\u00e1ch ozna\u010den\u00edm s\u00e9rie (nap\u0159. \u201e94\u201c nebo \u201e95\u201c) a identifika\u010dn\u00ed zna\u010dkou v\u00fdrobce. Ozuben\u00e1 kola jsou obvykle vyra\u017eena na \u010deln\u00ed plo\u0161e n\u00e1boje s ozna\u010den\u00edm s\u00e9rie, po\u010dtem zub\u016f a \u010dasto i velikost\u00ed otvoru. Po letech provozu v abrazivn\u00edm pr\u016fmyslov\u00e9m prost\u0159ed\u00ed jsou tato ozna\u010den\u00ed \u010dasto opot\u0159ebovan\u00e1 nebo zakryt\u00e1 koroz\u00ed. Pokud ozna\u010den\u00ed nejsou \u010diteln\u00e1 \u2013 co\u017e je situace ve v\u011bt\u0161in\u011b sc\u00e9n\u00e1\u0159\u016f v\u00fdm\u011bny p\u0159i \u00fadr\u017eb\u011b \u2013 je m\u011b\u0159en\u00ed pr\u016fm\u011bru v\u00e1lce popsan\u00e9 v\u00fd\u0161e spolehlivou metodou identifikace. Proto je cenn\u00e9 uchov\u00e1vat z\u00e1znam o m\u011b\u0159en\u00ed (jak je pops\u00e1no v \u010dl\u00e1nku 9 t\u00e9to s\u00e9rie) pro ka\u017ed\u00fd pohon strojn\u00ed t\u0159\u00eddy v za\u0159\u00edzen\u00ed \u2013 m\u00edt v evidenci pr\u016fm\u011br v\u00e1lce z posledn\u00ed kontroly se zabr\u00e1n\u00ed vzniku probl\u00e9mu s identifikac\u00ed s\u00e9rie v dob\u011b v\u00fdm\u011bny.<\/div>\n<\/details>\n
    \nJak\u00fd je spr\u00e1vn\u00fd zp\u016fsob potvrzen\u00ed objedn\u00e1vky n\u00e1hradn\u00edch ozuben\u00fdch kol in\u017een\u00fdrsk\u00e9 t\u0159\u00eddy u dodavatele?<\/summary>\n
    Minim\u00e1ln\u00ed informace pro spr\u00e1vn\u011b specifikovanou objedn\u00e1vku \u0159et\u011bzov\u00e9ho kola t\u0159\u00eddy Engineer jsou: (1) ozna\u010den\u00ed s\u00e9rie (94, 95, 81X, 67, 55 nebo 132), (2) po\u010det zub\u016f, (3) pr\u016fm\u011br otvoru a dr\u00e1\u017eka pro pero, (4) typ n\u00e1boje (deska A, n\u00e1boj B, n\u00e1boj C), (5) nam\u011b\u0159en\u00fd pr\u016fm\u011br v\u00e1lce z \u0159et\u011bzu pro k\u0159\u00ed\u017eovou kontrolu. Dodavatel, kter\u00fd potvrd\u00ed objedn\u00e1vku, ani\u017e by si vy\u017e\u00e1dal nebo nez\u00e1visle ov\u011b\u0159il pr\u016fm\u011br v\u00e1lce \u0159et\u011bzu oproti specifikaci s\u00e9rie \u0159et\u011bzov\u00e9ho kola, neprov\u00e1d\u00ed p\u0159edb\u011b\u017en\u00e9 ov\u011b\u0159en\u00ed s\u00e9rie, kter\u00e9 zabra\u0148uje chyb\u00e1m nap\u0159\u00ed\u010d s\u00e9riemi. Standardn\u00ed postup spole\u010dnosti Korea Ever-Power pro v\u0161echny objedn\u00e1vky \u0159et\u011bzov\u00fdch kol t\u0159\u00eddy Engineer spo\u010d\u00edv\u00e1 v tom, \u017ee si od z\u00e1kazn\u00edka vy\u017e\u00e1d\u00e1 m\u011b\u0159en\u00ed pr\u016fm\u011bru v\u00e1lce \u0159et\u011bzu p\u0159ed potvrzen\u00edm geometrie zubu a zah\u00e1jen\u00edm obr\u00e1b\u011bn\u00ed \u2013 t\u00edm se zabr\u00e1n\u00ed tomu, aby chyba nap\u0159\u00ed\u010d s\u00e9riemi dos\u00e1hla f\u00e1ze instalace.<\/div>\n<\/details>\n

    <\/p>\n

    \n
    Ov\u011b\u0159en\u00ed p\u0159edobjedn\u00e1vky s\u00e9rie je zahrnuto v cen\u011b<\/div>\n

    Objednejte si ozuben\u00e1 kola Engineer Class s potvrzenou \u0159adou p\u0159ed obr\u00e1b\u011bn\u00edm<\/h2>\n

    Za\u0161lete n\u00e1m zm\u011b\u0159en\u00ed pr\u016fm\u011bru v\u00e1lce \u0159et\u011bzu, po\u010det zub\u016f a po\u017eadavky na otvor. Na\u0161i technici p\u0159ed nasazen\u00edm materi\u00e1lu porovnaj\u00ed pr\u016fm\u011br v\u00e1lce s \u0159adou \u0159et\u011bzov\u00e9ho kola \u2013 t\u00edm se zabr\u00e1n\u00ed chyb\u011b z\u00e1m\u011bny \u0159ady 94 za 95 u zdroje.<\/p>\n

    Proch\u00e1zet ozuben\u00e1 kola Engineer Class<\/a>
    \n    Ode\u0161lete m\u011b\u0159en\u00ed sudu pro bezplatn\u00e9 potvrzen\u00ed<\/a><\/div>\n<\/div>\n<\/div>\n

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

    Critical Specification Alert \u00b7 Engineer Class Chain 94-Series vs 95-Series Engineer Class Sprockets: Why They Cannot Be Substituted These two sprocket series produce the most expensive misidentification errors in industrial conveyor maintenance. The catalogue pages look nearly identical. The pitch circle diameters differ by less than 0.5 mm at the same tooth count. Yet running […]<\/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-3340","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\/3340","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=3340"}],"version-history":[{"count":2,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3340\/revisions"}],"predecessor-version":[{"id":3342,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/posts\/3340\/revisions\/3342"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/media?parent=3340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/categories?post=3340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/cs\/wp-json\/wp\/v2\/tags?post=3340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}