{"id":756,"date":"2026-06-03T02:09:22","date_gmt":"2026-06-03T02:09:22","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=756"},"modified":"2026-06-03T02:09:22","modified_gmt":"2026-06-03T02:09:22","slug":"precision-planetary-gearbox-premature-failure-causes","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/cs\/precision-planetary-gearbox-premature-failure-causes\/","title":{"rendered":"P\u011bt hlavn\u00edch p\u0159\u00ed\u010din p\u0159ed\u010dasn\u00e9ho selh\u00e1n\u00ed p\u0159esn\u00e9 planetov\u00e9 p\u0159evodovky"},"content":{"rendered":"
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<\/div>\n
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Korea Ever-Power<\/span>
\nAnal\u00fdza selh\u00e1n\u00ed<\/span><\/div>\n

P\u011bt z\u00e1kladn\u00edch p\u0159\u00ed\u010din p\u0159ed\u010dasn\u00e9ho selh\u00e1n\u00ed p\u0159esn\u00fdch planetov\u00fdch p\u0159evodovek \u2013 kvantifikovan\u00e1 anal\u00fdza a prevence<\/h1>\n

Nepl\u00e1novan\u00e9 prostoje hnac\u00edho \u00fastroj\u00ed stoj\u00ed 500 nejv\u011bt\u0161\u00edch spole\u010dnost\u00ed na sv\u011bt\u011b odhadem 111 bilion\u016f TP3 ro\u010dn\u00edch tr\u017eeb \u2013 co\u017e je celosv\u011btov\u011b zhruba 1,4 bilionu TP4, p\u0159i\u010dem\u017e jedin\u00e1 hodina v korejsk\u00e9m automobilov\u00e9m z\u00e1vod\u011b stoj\u00ed 2,3 milionu TP4. V\u011bt\u0161ina poruch p\u0159esn\u00fdch planetov\u00fdch p\u0159evodovek v automatizaci servopohon\u016f nen\u00ed n\u00e1hodn\u00e1. Jsou p\u0159edv\u00eddateln\u00fdm v\u00fdsledkem p\u011bti chyb ve specifikaci nebo instalaci, z nich\u017e ka\u017ed\u00e1 m\u00e1 kvantifikovateln\u00fd mechanismus selh\u00e1n\u00ed. Tento \u010dl\u00e1nek je pojmenuje, zm\u011b\u0159\u00ed a p\u0159esn\u011b v\u00e1m \u0159ekne, jak jim v aplikac\u00edch \u0159ady EP p\u0159edch\u00e1zet.<\/p>\n

Z\u00edskejte posouzen\u00ed rizika selh\u00e1n\u00ed \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Pro\u010d jsou poruchy planetov\u00fdch p\u0159evodovek p\u0159edv\u00eddateln\u00e9 \u2013 nikoli n\u00e1hodn\u00e9<\/h2>\n

Data o vr\u00e1cen\u00ed z\u00e1ruky a anal\u00fdza poruch v provozu z aplikac\u00ed servo automatizace konzistentn\u011b ukazuj\u00ed stejn\u00fd vzorec: p\u0159ibli\u017en\u011b 901 TP3T p\u0159ed\u010dasn\u00fdch poruch p\u0159esn\u00fdch planetov\u00fdch p\u0159evodovek p\u0159\u00edmo souvis\u00ed s p\u011bti konstruk\u010dn\u00edmi chybami. Zb\u00fdvaj\u00edc\u00edch 101 TP3T p\u0159edstavuje skute\u010dn\u00e9 vady materi\u00e1lu nebo statistickou \u00fanavu lo\u017eisek na konci jmenovit\u00e9 \u017eivotnosti. D\u016fsledek je v\u00fdznamn\u00fd \u2013 drtiv\u00e9 v\u011bt\u0161in\u011b poruch p\u0159esn\u00fdch planetov\u00fdch p\u0159evodovek v ran\u00e9 f\u00e1zi lze zcela p\u0159edej\u00edt.<\/p>\n

T\u011bchto p\u011bt p\u0159\u00ed\u010din nen\u00ed nov\u00fdm objevem. Jsou pochopeny v technick\u00e9 literatu\u0159e. Co ve v\u011bt\u0161in\u011b publikovan\u00fdch pr\u016fvodc\u016f chyb\u00ed, je kvantifikace: o kolik p\u0159et\u00ed\u017een\u00ed 1,5\u00d7 ve skute\u010dnosti zkracuje \u017eivotnost? Jak\u00fd vliv m\u00e1 excentricita 0,1 mm na zat\u00ed\u017een\u00ed lo\u017eiska p\u0159i 3 000 ot\/min? P\u0159i jak\u00e9 axi\u00e1ln\u00ed s\u00edle za\u010d\u00edn\u00e1 standardn\u00ed lo\u017eisko EP-ZDE-80 p\u0159ed\u010dasn\u011b selh\u00e1vat? Tento \u010dl\u00e1nek odpov\u00edd\u00e1 na tyto ot\u00e1zky pomoc\u00ed vypo\u010d\u00edtan\u00fdch dat specifick\u00fdch pro specifikace \u0159ady EP.<\/p>\n

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~40%<\/div>\n
Zanedb\u00e1v\u00e1n\u00ed faktor\u016f slu\u017eeb<\/div>\n
Dimenzov\u00e1n\u00ed na jmenovit\u00fd to\u010div\u00fd moment bez SF \u2013 nej\u010dast\u011bj\u0161\u00ed p\u0159\u00ed\u010dina p\u0159ed\u010dasn\u00e9ho selh\u00e1n\u00ed planetov\u00e9 p\u0159evodovky<\/div>\n<\/div>\n
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~25%<\/div>\n
Nesoulad setrva\u010dnosti<\/div>\n
Pom\u011br setrva\u010dnosti >5:1 zp\u016fsobuje nestabilitu lad\u011bn\u00ed serva a cyklick\u00e9 p\u0159et\u00ed\u017een\u00ed<\/div>\n<\/div>\n
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~15%<\/div>\n
Vstupn\u00ed excentricita<\/div>\n
Vych\u00fdlen\u00ed h\u0159\u00eddele motoru > 0,02 mm p\u0159et\u00ed\u017een\u00ed lo\u017eisek vstupn\u00edho stupn\u011b<\/div>\n<\/div>\n
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~10%<\/div>\n
P\u0159et\u00ed\u017een\u00ed axi\u00e1ln\u00ed silou<\/div>\n
Gravita\u010dn\u00ed zat\u00ed\u017een\u00ed na svisl\u00fdch os\u00e1ch p\u0159ekra\u010duj\u00edc\u00ed axi\u00e1ln\u00ed limity v\u00fdstupn\u00edch lo\u017eisek EP-ZDE<\/div>\n<\/div>\n
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~10%<\/div>\n
Vniknut\u00ed do prost\u0159ed\u00ed<\/div>\n
Jednotky s kryt\u00edm IP54 vystaven\u00e9 vodn\u00edmu paprsku nebo chemick\u00e9mu myt\u00ed, \u010d\u00edm\u017e se zni\u010d\u00ed mazivo na celou dobu \u017eivotnosti<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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\"V\u00fdroba<\/p>\n
Boky zub\u016f planetov\u00fdch kol \u0159ady EP jsou cementa\u010dn\u011b kalen\u00e9 a brou\u0161en\u00e9 \u2013 nikoli pouze odvalovac\u00ed. Pro dosa\u017een\u00ed navr\u017een\u00e9 \u017eivotnosti 20 000 hodin je nutn\u00e9 spr\u00e1vn\u00e9 zat\u00ed\u017een\u00ed a mont\u00e1\u017e. Zobrazit specifikace \u0159ady EP \u2192<\/a><\/div>\n<\/div>\n

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P\u0159\u00ed\u010dina 1 \u2013 Zanedb\u00e1n\u00ed servisn\u00edho faktoru: Selh\u00e1n\u00ed, kter\u00e9 p\u0159edpov\u00edd\u00e1 in\u017een\u00fdrsk\u00e1 matematika, ale datov\u00e9 listy ho nepln\u00ed<\/h2>\n

Servisn\u00ed faktor (SF) zohled\u0148uje zm\u011bny zat\u00ed\u017een\u00ed rychlej\u0161\u00ed ne\u017e je odezva serva v uzav\u0159en\u00e9 smy\u010dce, tepeln\u00e9 \u00fa\u010dinky z asymetrie pracovn\u00edho cyklu a \u0161pi\u010dkov\u00e9 momenty b\u011bhem nouzov\u00e9ho zastaven\u00ed, kter\u00e9 mohou dos\u00e1hnout 2\u20133n\u00e1sobku trval\u00e9 jmenovit\u00e9 hodnoty. Pokud je p\u0159esn\u00e1 planetov\u00e1 p\u0159evodovka dimenzov\u00e1na na p\u0159esn\u011b vypo\u010d\u00edtan\u00fd trval\u00fd moment bez pou\u017eit\u00ed SF, pracuje na hranici sv\u00e9 \u00fanavov\u00e9 meze nebo za n\u00ed poka\u017ed\u00e9, kdy\u017e servo vy\u017eaduje \u0161pi\u010dkov\u00fd moment.<\/p>\n

Mechanismem selh\u00e1n\u00ed je Hertzova kontaktn\u00ed \u00fanava na boc\u00edch zub\u016f planetov\u00e9ho kola. P\u0159i cyklick\u00e9m p\u0159et\u00ed\u017een\u00ed iniciuje podpovrchov\u00e9 smykov\u00e9 nap\u011bt\u00ed mikrotrhliny, kter\u00e9 se \u0161\u00ed\u0159\u00ed na povrch jako d\u016flkov\u00e1 trhlina. Ka\u017ed\u00e1 d\u016flkov\u00e1 trhlina vytv\u00e1\u0159\u00ed koncentraci nap\u011bt\u00ed, kter\u00e1 urychluje po\u0161kozen\u00ed sousedn\u00edch \u010d\u00e1st\u00ed. V\u016fle se zv\u011bt\u0161uje se zmen\u0161uj\u00edc\u00ed se efektivn\u00ed tlou\u0161\u0165kou zubu. Jakmile d\u016flkov\u00e1 trhlina pokryje 20\u2013301 TP3T pracovn\u00ed plochy boku, hluk a vibrace ozuben\u00e9ho kola se prudce zvy\u0161uj\u00ed a selh\u00e1n\u00ed je bezprost\u0159edn\u00ed.<\/p>\n

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Kvantifikovan\u00e9 sn\u00ed\u017een\u00ed \u017eivotnosti: \u00danava povrchu zub\u016f ozuben\u00fdch kol a lo\u017eiska L10<\/div>\n
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Skute\u010dn\u00fd \/ jmenovit\u00fd to\u010div\u00fd moment<\/th>\n\u017divotnost lo\u017eiska L10<\/th>\n\u017divotnost povrchu ozuben\u00e9ho kola<\/th>\nPosouzen\u00ed<\/th>\n<\/tr>\n<\/thead>\n
\u00d71,00 (spr\u00e1vn\u011b ohodnoceno)<\/td>\n20 000 hodin<\/td>\n20 000 hodin<\/td>\nDosa\u017een\u00e1 jmenovit\u00e1 \u017eivotnost<\/td>\n<\/tr>\n
\u00d71,25 (SF vynech\u00e1no, lehk\u00fd \u0161ok)<\/td>\n10 240 hodin<\/td>\n2 684 hodin<\/td>\n\u017divotnost se sn\u00ed\u017eila na polovinu; ozuben\u00ed selh\u00e1v\u00e1 po prvn\u00edm roce<\/td>\n<\/tr>\n
\u00d71,50 (SF vynech\u00e1no, m\u00edrn\u00fd \u0161ok)<\/td>\n5 926 hodin<\/td>\n520 hodin<\/td>\nKoroze zub\u016f ozuben\u00e9ho kola b\u011bhem n\u011bkolika t\u00fddn\u016f<\/td>\n<\/tr>\n
\u00d72,00 (nouzov\u00e9 zastaven\u00ed, bez SF)<\/td>\n2 500 hodin<\/td>\n39 hodin<\/td>\nKatastrofick\u00e9 selh\u00e1n\u00ed zubu b\u011bhem n\u011bkolika dn\u00ed<\/td>\n<\/tr>\n
\u00d72,50 (siln\u00fd n\u00e1raz, sr\u00e1\u017eka s robotem)<\/td>\n1 280 hodin<\/td>\n5 hodin<\/td>\nZlomen\u00ed zubu p\u0159i prvn\u00edm incidentu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u017divotnost lo\u017eiska L10: L10 \u221d (C\/P)\u00b3. Exponent \u00fanavy povrchu ozuben\u00e9ho kola \u2248 9 (trvanlivost povrchu dle ISO 6336). Z\u00e1kladn\u00ed \u017eivotnost = 20 000 h p\u0159i jmenovit\u00e9m zat\u00ed\u017een\u00ed.<\/div>\n<\/div>\n
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Diagn\u00f3za: kdy je p\u0159\u00ed\u010dinou zanedb\u00e1v\u00e1n\u00ed fibromyalgie?<\/div>\n

V\u016fle se rychle zvy\u0161uje b\u011bhem prvn\u00edch 3 000\u20138 000 hodin. Hluk p\u0159evodovky se zvy\u0161uje p\u0159i zm\u011bn\u00e1ch sm\u011bru. Na boc\u00edch zub\u016f planetov\u00e9ho kola je p\u0159i demont\u00e1\u017ei patrn\u00e1 d\u016flkov\u00e1 koroze. Doba poruchy je \u00fam\u011brn\u00e1 intenzit\u011b pracovn\u00edho cyklu \u2013 stroje s \u010dast\u00fdm nouzov\u00fdm zastaven\u00edm a zm\u011bnami sm\u011bru selh\u00e1vaj\u00ed d\u0159\u00edve ne\u017e stroje s jedn\u00edm sm\u011brem p\u0159i stejn\u00e9m trval\u00e9m to\u010div\u00e9m momentu.<\/p>\n<\/div>\n

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Prevence: p\u0159ed volbou jmenovit\u00e9ho momentu pou\u017eijte SF<\/div>\n

Po\u017eadovan\u00e1_t = Vypo\u010dten\u00e1_t \u00d7 SF. Pro robotick\u00e9 klouby s obr\u00e1cen\u00edm sm\u011bru: SF = 1,5\u20132,0. Pro lisovac\u00ed a \u00faderov\u00e9 aplikace: SF = 2,0\u20132,5. Viz 5krokov\u00fd pr\u016fvodce v\u00fdb\u011brem<\/a> pro p\u0159\u00edklady z praxe. Okam\u017eit\u00fd zastavovac\u00ed moment \u0159ady EP-ZDS = 2\u00d7 jmenovit\u00fd, co\u017e p\u0159i spr\u00e1vn\u00e9m dimenzov\u00e1n\u00ed zaji\u0161\u0165uje vestav\u011bn\u00fd SF pro \u0161pi\u010dkov\u00e9 zat\u00ed\u017een\u00ed.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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P\u0159\u00ed\u010dina 2 \u2013 Nesoulad setrva\u010dnosti: Nestabilita serv, kter\u00e1 ni\u010d\u00ed nosi\u010de planet<\/h2>\n

Kdy\u017e setrva\u010dnost z\u00e1t\u011b\u017ee odra\u017een\u00e1 zp\u011bt na h\u0159\u00eddel servomotoru p\u0159ekro\u010d\u00ed p\u0159ibli\u017en\u011b p\u011btin\u00e1sobek setrva\u010dnosti rotoru motoru, je obt\u00ed\u017en\u00e9 ladit regula\u010dn\u00ed smy\u010dku rychlosti serva. In\u017een\u00fd\u0159i obvykle reaguj\u00ed zv\u00fd\u0161en\u00edm proporcion\u00e1ln\u00edho zes\u00edlen\u00ed (Kv), aby zlep\u0161ili odezvu. P\u0159i vysok\u00e9m Kv je mechanick\u00e1 rezonance hnac\u00edho \u00fastroj\u00ed \u2013 ur\u010den\u00e1 torzn\u00ed tuhost\u00ed p\u0159evodovky a setrva\u010dnost\u00ed z\u00e1t\u011b\u017ee \u2013 buzena na sv\u00e9 vlastn\u00ed frekvenci. V\u00fdsledkem je trval\u00e9 kmit\u00e1n\u00ed, kter\u00e9 v p\u0159evodovce vytv\u00e1\u0159\u00ed cykly krout\u00edc\u00edho momentu o frekvenci 10\u201350 Hz, co\u017e je daleko nad r\u00e1mec jak\u00e9hokoli zat\u011b\u017eovac\u00edho cyklu p\u0159edpokl\u00e1dan\u00e9ho v datov\u00e9m listu.<\/p>\n

Toto cyklick\u00e9 zat\u00ed\u017een\u00ed kroutic\u00edm momentem na rezonan\u010dn\u00ed frekvenci hnac\u00edho \u00fastroj\u00ed nen\u00ed hladk\u00fdm kontinu\u00e1ln\u00edm zat\u00ed\u017een\u00edm, kter\u00e9 v\u00fdpo\u010det L10 lo\u017eiska p\u0159edpokl\u00e1dal. Jedn\u00e1 se o sc\u00e9n\u00e1\u0159 vysokocyklov\u00e9 \u00fanavy. Charakteristick\u00fdmi znaky selh\u00e1n\u00ed jsou t\u0159epen\u00ed v otvoru pro \u010dep una\u0161e\u010de planetov\u00fdch kol a mikro-korozn\u00ed d\u016flky lo\u017eiskov\u00e9ho krou\u017eku \u2013 odli\u0161n\u00e9 od korozivn\u00ed d\u016flky na boc\u00edch zub\u016f p\u0159i zanedb\u00e1v\u00e1n\u00ed SF a rozpoznateln\u00e9 p\u0159i demont\u00e1\u017ei.<\/p>\n

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Odra\u017een\u00e1 setrva\u010dnost a pravidlo pro v\u00fdb\u011br p\u0159evodov\u00e9ho pom\u011bru<\/div>\n
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J_odrazeno = J_zat\u00ed\u017een\u00ed \u00f7 i\u00b2<\/div>\n
Nebezpe\u010dn\u00e1 z\u00f3na: J_odra\u017een\u00e9 \/ J_motor > 5:1 \u2192 riziko rezonance serva<\/div>\n
C\u00edl: J_odra\u017een\u00fd \/ J_motor = 1:1 a\u017e 3:1 \u2192 stabiln\u00ed rozsah lad\u011bn\u00ed<\/div>\n
Vlastn\u00ed rezonan\u010dn\u00ed frekvence: f_n = (1\/2\u03c0) \u00d7 \u221a(Ct_v\u00fdstup \/ J_zat\u00ed\u017een\u00ed), kde Ct = torzn\u00ed tuhost [N\u00b7m\/rad]<\/div>\n<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n\n
Pom\u011br setrva\u010dnosti J_ref \/ J_motor<\/th>\nLad\u011bn\u00ed serv<\/th>\nRiziko p\u0159evodovky<\/th>\nRe\u017eim selh\u00e1n\u00ed<\/th>\n<\/tr>\n<\/thead>\n
1:1 a\u017e 3:1<\/td>\n\u2705 Stabiln\u00ed<\/td>\n\u017d\u00e1dn\u00fd<\/td>\nIde\u00e1ln\u00ed rozsah \u2013 servo lad\u00ed \u010dist\u011b, zat\u00ed\u017een\u00ed p\u0159evodovky je plynul\u00e9<\/td>\n<\/tr>\n
3:1 a\u017e 5:1<\/td>\n\u26a0 Margin\u00e1ln\u00ed<\/td>\nN\u00edzk\u00e1\u2013St\u0159edn\u00ed<\/td>\nSn\u00ed\u017een\u00fd strop Kv; nutn\u00e9 pe\u010dliv\u00e9 lad\u011bn\u00ed; sledov\u00e1n\u00ed vibrac\u00ed<\/td>\n<\/tr>\n
5:1 a\u017e 10:1<\/td>\n\u274c Nestabiln\u00ed<\/td>\nVysok\u00fd<\/td>\nRezonan\u010dn\u00ed buzen\u00ed; t\u0159epen\u00ed \u010dep\u016f una\u0161e\u010de planetov\u00fdch kol; mikro-d\u016flkov\u00e1 tvorba lo\u017eisek<\/td>\n<\/tr>\n
>10:1<\/td>\n\u274c T\u011b\u017ek\u00e9<\/td>\nVelmi vysok\u00e1<\/td>\nNekontrolovateln\u00e9 kmit\u00e1n\u00ed; rychl\u00fd n\u00e1r\u016fst zp\u011btn\u00e9ho r\u00e1zu; mo\u017en\u00e9 zlomen\u00ed nosi\u010de planety<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Diagnostika a oprava<\/div>\n

Diagn\u00f3za: amplituda kmit\u00e1n\u00ed se zvy\u0161uje se zes\u00edlen\u00edm serva Kv; sly\u0161iteln\u00e9 vibrace na pevn\u00e9 frekvenci b\u011bhem pohybu osy; otvory pro \u010depy una\u0161e\u010de planetov\u00fdch kol vykazuj\u00ed p\u0159i demont\u00e1\u017ei eliptick\u00e9 opot\u0159eben\u00ed. Oprava: vypo\u010d\u00edtejte J_reflected = J_load \u00f7 i\u00b2 p\u0159i kandid\u00e1tn\u00edch pom\u011brech; pokud je pom\u011br omezen po\u017eadavky na rychlost, pora\u010fte se s dodavatelem motoru ohledn\u011b varianty rotoru s vy\u0161\u0161\u00ed setrva\u010dnost\u00ed. Pro v\u00fdb\u011br \u0159ady EP s robotick\u00fdmi klouby s vysok\u00fdm zat\u00ed\u017een\u00edm je nutn\u00e1 vy\u0161\u0161\u00ed torzn\u00ed tuhost EP-ZDS<\/strong> (Ct a\u017e 130 N\u00b7m\/\u00fahlovou minutu) zvy\u0161uje rezonan\u010dn\u00ed frekvenci, \u010d\u00edm\u017e sni\u017euje riziko buzen\u00ed serva i p\u0159i m\u00edrn\u00fdch pom\u011brech setrva\u010dnosti.<\/p>\n<\/div>\n<\/section>\n

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P\u0159\u00ed\u010dina 3 \u2013 Excentricita h\u0159\u00eddele motoru: Chyba p\u0159i instalaci, kter\u00e1 ti\u0161e ni\u010d\u00ed vstupn\u00ed lo\u017eiska<\/h2>\n

H\u0159\u00eddel motoru, kter\u00e1 nen\u00ed dokonale soust\u0159edn\u00e1 se vstupn\u00edm otvorem p\u0159evodovky, vytv\u00e1\u0159\u00ed s ka\u017edou ot\u00e1\u010dkou h\u0159\u00eddele rota\u010dn\u00ed excentrick\u00e9 zat\u00ed\u017een\u00ed vstupn\u00edch lo\u017eisek. Na rozd\u00edl od p\u0159et\u00ed\u017een\u00ed kroutic\u00edm momentem, kter\u00e9ho si obsluha \u010dasto v\u0161imne zv\u00fd\u0161enou v\u016fl\u00ed a hlukem, se opot\u0159eben\u00ed vstupn\u00edho lo\u017eiska vyvolan\u00e9 excentricitou vyv\u00edj\u00ed ti\u0161e, dokud lo\u017eisko n\u00e1hle nesel\u017ee \u2013 obvykle jako prasklina klece nebo odlupov\u00e1n\u00ed ob\u011b\u017en\u00e9ho kola p\u0159i vysok\u00fdch ot\u00e1\u010dk\u00e1ch.<\/p>\n

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Excentrick\u00e1 s\u00edla na vstupn\u00edm lo\u017eisku \u2013 vypo\u010dten\u00e1<\/div>\n

P\u0159\u00eddavn\u00e1 radi\u00e1ln\u00ed s\u00edla na vstupn\u00ed lo\u017eisko z excentricity h\u0159\u00eddele e p\u0159i ot\u00e1\u010dk\u00e1ch \u03c9 je: F_ecc = m_eff \u00d7 \u03c9\u00b2 \u00d7 e<\/span>, kde m_eff je efektivn\u00ed rotuj\u00edc\u00ed hmotnost h\u0159\u00eddele motoru a spojky. Dominantn\u00edm \u00fa\u010dinkem excentricity v p\u0159esn\u00fdch planetov\u00fdch p\u0159evodovk\u00e1ch v\u0161ak nen\u00ed odst\u0159ediv\u00e1 s\u00edla \u2013 je to ohybov\u00fd moment p\u0159en\u00e1\u0161en\u00fd p\u0159es up\u00ednac\u00ed rozhran\u00ed na vstupn\u00ed planetov\u00e9 kolo a lo\u017eisko centr\u00e1ln\u00edho kola.<\/p>\n

\n\n\n\n\n\n\n\n\n
Excentricita<\/th>\nChyba soust\u0159ednosti<\/th>\nP\u0159\u00eddavn\u00e9 radi\u00e1ln\u00ed zat\u00ed\u017een\u00ed vstupn\u00edho lo\u017eiska<\/th>\nVliv na \u017eivotnost L10<\/th>\n<\/tr>\n<\/thead>\n
\u22640,02 mm<\/td>\n\u2705 Specifikace<\/td>\nZanedbateln\u00fd<\/td>\nJmenovit\u00e1 \u017eivotnost<\/td>\n<\/tr>\n
0,02\u20130,05 mm<\/td>\nOkrajov\u00fd<\/td>\n+15\u201330% radi\u00e1ln\u00ed<\/td>\n\u221235\u201360%<\/td>\n<\/tr>\n
0,05\u20130,10 mm<\/td>\nNadm\u011brn\u00fd<\/td>\n+50\u2013100% radi\u00e1ln\u00ed<\/td>\n\u221270\u201385%<\/td>\n<\/tr>\n
>0,10 mm<\/td>\nT\u011b\u017ek\u00e9<\/td>\n>100% radi\u00e1ln\u00ed<\/td>\n<2 000 hodin<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Specifikace soust\u0159ednosti pro instalace rozhran\u00ed motoru \u0159ady EP je \u22640,02 mm celkov\u00e9 h\u00e1zen\u00ed indik\u00e1toru (TIR) \u200b\u200bmezi osou h\u0159\u00eddele motoru a osou vstupn\u00edho otvoru p\u0159evodovky. Toho lze spolehliv\u011b dos\u00e1hnout pouze pou\u017eit\u00edm specializovan\u00e9 p\u0159\u00edruby adapt\u00e9ru motoru (standardn\u00ed up\u00ednac\u00ed vstup typu S \u0159ady EP) \u2013 nikoli generick\u00e9ho adapt\u00e9ru s otvorem. Generick\u00e9 adapt\u00e9ry s otvorem obvykle vykazuj\u00ed chybu soust\u0159ednosti 0,05\u20130,15 mm, co\u017e vstupn\u00ed lo\u017eisko okam\u017eit\u011b \u0159ad\u00ed do \u201esiln\u00e9ho\u201c p\u00e1sma.<\/p>\n

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\u26a0 Diagnostick\u00e9 sign\u00e1ly<\/div>\n