{"id":1099,"date":"2026-06-24T03:44:33","date_gmt":"2026-06-24T03:44:33","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=1099"},"modified":"2026-06-24T05:50:26","modified_gmt":"2026-06-24T05:50:26","slug":"slewing-drive-planetary-gearbox-for-tbm-cutterhead","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/sk\/slewing-drive-planetary-gearbox-for-tbm-cutterhead\/","title":{"rendered":"Plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom pre rezaciu hlavu TBM"},"content":{"rendered":"
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\"Plan\u00e9tov\u00e1<\/p>\n
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Korea Ever-Power \u00b7 Aplika\u010dn\u00e9 in\u017einierstvo \u00b7 Stroje na razenie tunelov<\/p>\n

Plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom pre rezaciu hlavu TBM<\/h1>\n

\u017diadna in\u00e1 aplik\u00e1cia ot\u00e1\u010dania nekombinuje tak\u00fd ve\u013ek\u00fd kr\u00fatiaci moment, tak\u00e9 ve\u013ek\u00e9 obmedzenie a tak\u00e9 rozsiahle n\u00e1sledky poruchy. Syst\u00e9m pohonu fr\u00e9zovacej hlavy TBM generuje kr\u00fatiaci moment 10 000 a\u017e 50 000 kN\u00b7m z 8 a\u017e 20 jednotliv\u00fdch plan\u00e9tov\u00fdch prevodoviek pohonu ot\u00e1\u010dania \u2013 a ka\u017ed\u00e1 z nich mus\u00ed by\u0165 v pr\u00edpade poruchy vymenen\u00e1 zvn\u00fatra tunela bez pr\u00edstupu k mostov\u00e9mu \u017eeriavu.<\/p>\n

Prehliada\u0165 plan\u00e9tov\u00e9 prevodovky s oto\u010dn\u00fdm pohonom \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Ako funguje syst\u00e9m pohonu fr\u00e9zovacej hlavy TBM \u2013 8 a\u017e 20 pohonov zdie\u013eaj\u00facich jeden ozuben\u00fd veniec<\/h2>\n

Rezacia hlava TBM je mas\u00edvny oce\u013eov\u00fd disk \u2013 s priemerom 3 a\u017e 17 metrov \u2013 vybaven\u00fd kot\u00fa\u010dov\u00fdmi fr\u00e9zami (na skalu) alebo rezn\u00fdmi zubami a \u0161krabkami (na m\u00e4kk\u00fd ter\u00e9n). Tento disk sa mus\u00ed pri pohybe TBM neust\u00e1le ot\u00e1\u010da\u0165 a kr\u00fatiaci moment potrebn\u00fd na jeho oto\u010denie o skaln\u00fa stenu je obrovsk\u00fd: 10 000 a\u017e 50 000 kN\u00b7m pre TBM s ve\u013ek\u00fdm priemerom na skaly. \u017diadny jednotliv\u00fd plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom<\/a> dok\u00e1\u017ee tento kr\u00fatiaci moment vygenerova\u0165 s\u00e1m.<\/p>\n

Namiesto toho je fr\u00e9zovacia hlava vybaven\u00e1 ve\u013ek\u00fdm vn\u00fatorn\u00fdm ozuben\u00fdm vencom a okolo \u0161t\u00edtu TBM je namontovan\u00fdch 8 a\u017e 20 samostatn\u00fdch oto\u010dn\u00fdch pohonov \u2013 ka\u017ed\u00fd poh\u00e1\u0148a pastorok, ktor\u00fd zaber\u00e1 s t\u00fdmto ozuben\u00fdm vencom. Pohony rozde\u013euj\u00fa celkov\u00fd kr\u00fatiaci moment rovnomerne v te\u00f3rii alebo proporcion\u00e1lne v praxi v z\u00e1vislosti od individu\u00e1lneho stavu pohonu a hydraulick\u00e9ho alebo elektrick\u00e9ho vyv\u00e1\u017eenia. T\u00e1to architekt\u00fara viacer\u00fdch pohonov je jedine\u010dn\u00e1 medzi v\u0161etk\u00fdmi aplik\u00e1ciami ot\u00e1\u010dania \u2013 \u017eiadny \u017eeriav, \u017eiadny bager a \u017eiadny ant\u00e9nny syst\u00e9m nepou\u017e\u00edva to\u013eko nez\u00e1visl\u00fdch pohonov na jednom ozubenom venci.<\/p>\n

Rozdelenie z\u00e1\u0165a\u017ee medzi pohonmi nie je automatick\u00e9 \u2013 mus\u00ed by\u0165 akt\u00edvne riaden\u00e9. V hydraulickom pohonnom syst\u00e9me je prietok oleja do ka\u017ed\u00e9ho motora d\u00e1vkovan\u00fd cez deli\u010d prietoku alebo riaden\u00fd jednotliv\u00fdmi proporcion\u00e1lnymi ventilmi. V elektrickom pohonnom syst\u00e9me je ka\u017ed\u00fd motor riaden\u00fd vlastn\u00fdm frekven\u010dn\u00fdm meni\u010dom (VFD) s obmedzen\u00edm pr\u00fadu, aby sa zabr\u00e1nilo tomu, aby ktor\u00fdko\u013evek motor spotreboval viac, ako je jeho proporcion\u00e1lny podiel. Ke\u010f sa jeden pohon opotreb\u00fava r\u00fdchlej\u0161ie ako ostatn\u00e9 (kv\u00f4li svojej polohe vzh\u013eadom na zmeny tvrdosti ter\u00e9nu), odober\u00e1 menej pr\u00fadu alebo prij\u00edma men\u0161\u00ed prietok \u2013 a susedn\u00e9 pohony to musia kompenzova\u0165. Hydraulick\u00fd alebo elektrick\u00fd vyva\u017eovac\u00ed syst\u00e9m je pre dlhodob\u00fa \u017eivotnos\u0165 pohonu rovnako d\u00f4le\u017eit\u00fd ako samotn\u00e1 prevodovka.<\/p>\n

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Redundantn\u00e1 matematika:<\/strong> Ak zlyh\u00e1 jeden meni\u010d v 12-meni\u010dovom syst\u00e9me, zvy\u0161n\u00fdch 11 absorbuje \u010fal\u0161\u00edch 91 TP3T z\u00e1\u0165a\u017ee \u2013 v r\u00e1mci 1,5-n\u00e1sobn\u00e9ho bezpe\u010dnostn\u00e9ho faktora. Dve s\u00fa\u010dasn\u00e9 poruchy zvy\u0161uj\u00fa pre\u0165a\u017eenie na meni\u010d na 181 TP3T \u2013 \u010do je st\u00e1le zvl\u00e1dnute\u013en\u00e9. Tri poruchy dosahuj\u00fa 271 TP3T, bl\u00ed\u017eia sa k limitu bezpe\u010dnostn\u00e9ho faktora a vy\u017eaduj\u00fa si okam\u017eit\u00e9 zn\u00ed\u017eenie r\u00fdchlosti postupu. Architekt\u00fara s viacer\u00fdmi meni\u010dmi je prim\u00e1rnou ochranou TBM pred odstaven\u00edm v podzem\u00ed.<\/p>\n<\/div>\n

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Rozdelenie z\u00e1\u0165a\u017ee medzi pohonmi nie je automatick\u00e9 \u2013 mus\u00ed by\u0165 akt\u00edvne riaden\u00e9. V hydraulickom pohonnom syst\u00e9me je prietok oleja do ka\u017ed\u00e9ho motora d\u00e1vkovan\u00fd cez deli\u010d prietoku alebo riaden\u00fd jednotliv\u00fdmi proporcion\u00e1lnymi ventilmi. V elektrickom pohonnom syst\u00e9me je ka\u017ed\u00fd motor riaden\u00fd vlastn\u00fdm frekven\u010dn\u00fdm meni\u010dom s obmedzen\u00edm pr\u00fadu, aby sa zabr\u00e1nilo tomu, aby ktor\u00fdko\u013evek motor spotreboval viac, ako je jeho proporcion\u00e1lny podiel. Ke\u010f sa jeden pohon opotreb\u00fava r\u00fdchlej\u0161ie ako ostatn\u00e9 (kv\u00f4li svojej polohe vzh\u013eadom na zmeny tvrdosti ter\u00e9nu), odober\u00e1 menej pr\u00fadu alebo prij\u00edma men\u0161\u00ed prietok \u2013 a susedn\u00e9 pohony to musia kompenzova\u0165.<\/p>\n

Usporiadanie z\u00e1beru pastorka a ozuben\u00e9ho venca tie\u017e ovplyv\u0148uje rozdelenie za\u0165a\u017eenia. Ak s\u00fa pastorky rovnomerne rozmiestnen\u00e9 okolo ozuben\u00e9ho venca, ka\u017ed\u00fd pastorok zaber\u00e1 s inou \u010das\u0165ou venca \u2013 a ak\u00e1ko\u013evek excentricita alebo chyba rozstupu zubov v ozubenom venci vytv\u00e1ra systematick\u00fa zmenu za\u0165a\u017eenia, ktor\u00e1 sa opakuje s ka\u017edou ot\u00e1\u010dkou fr\u00e9zovacej hlavy. Vysokokvalitn\u00e9 ozuben\u00e9 vence s presnos\u0165ou rozstupu zubov pod\u013ea DIN triedy 6 s\u00fa nevyhnutn\u00e9 pre rovnomern\u00e9 rozdelenie za\u0165a\u017eenia. Ozuben\u00fd ven\u010dek s presnos\u0165ou rozstupu zubov triedy 8 m\u00f4\u017ee vytv\u00e1ra\u0165 zmeny za\u0165a\u017eenia na pastorok o 15 a\u017e 251 TP3T nad priemerom \u2013 \u010do zodpoved\u00e1 strate kapacity 2 a\u017e 3 pohonov len kv\u00f4li chybe zubov.<\/p>\n<\/div>\n

\"Plan\u00e9tov\u00e1<\/div>\n<\/div>\n<\/section>\n

\"Plan\u00e9tov\u00e1<\/p>\n

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Typy TBM a po\u017eiadavky na pohon fr\u00e9zovacej hlavy<\/h2>\n

\u0160pecifik\u00e1cia pohonu fr\u00e9zovacej hlavy z\u00e1vis\u00ed z\u00e1sadne od typu TBM \u2013 ka\u017ed\u00fd je navrhnut\u00fd pre in\u00e9 podmienky ter\u00e9nu a ka\u017ed\u00fd kladie in\u00e9 po\u017eiadavky na oto\u010dn\u00fd pohon.<\/p>\n

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TBM pre tvrd\u00e9 skaly (otvoren\u00fd alebo s ch\u00e1padlami)<\/div>\n

Re\u017ee horninu s UCS 50 a\u017e 300+ MPa pomocou kot\u00fa\u010dov\u00fdch fr\u00e9z. Kr\u00fatiaci moment fr\u00e9zovacej hlavy je ve\u013emi vysok\u00fd (15 000 a\u017e 50 000 kN\u00b7m), ale relat\u00edvne stabiln\u00fd. Kot\u00fa\u010dov\u00e9 fr\u00e9zy generuj\u00fa radi\u00e1lne sily, ktor\u00e9 vytv\u00e1raj\u00fa nepretr\u017eit\u00e9 n\u00edzkofrekven\u010dn\u00e9 vibr\u00e1cie pren\u00e1\u0161an\u00e9 cez ozuben\u00fd veniec. Pohony pracuj\u00fa v otvoren\u00fdch (beztlakov\u00fdch) podmienkach \u2013 nie je potrebn\u00e9 \u017eiadne utesnenie kalu, ale je pr\u00edtomn\u00fd horninov\u00fd prach a priesak podzemnej vody.<\/p>\n<\/div>\n

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EPB (rovnov\u00e1ha zemn\u00e9ho tlaku) TBM<\/div>\n

Pracuje v m\u00e4kkom ter\u00e9ne udr\u017eiavan\u00edm pretlakovej komory upravenej p\u00f4dy za rezacou hlavou. Kr\u00fatiaci moment je ni\u017e\u0161\u00ed (3 000 a\u017e 15 000 kN\u00b7m), ale pohony pracuj\u00fa za pretlakovou prep\u00e1\u017ekou pri tlaku 1 a\u017e 5 barov. Integrita tesnenia je kritick\u00e1 \u2013 ak\u00fdko\u013evek \u00fanik umo\u017e\u0148uje vniknutie pretlakovej hmoty do prevodovky a ak\u00e1ko\u013evek strata \u010deln\u00e9ho tlaku riskuje zr\u00fatenie ter\u00e9nu. Upraven\u00e1 p\u00f4da je vysoko abraz\u00edvna a chemicky agres\u00edvna (pH 10 a\u017e 12).<\/p>\n<\/div>\n

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Kalov\u00fd TBM<\/div>\n

Na podopretie \u010delnej plochy pou\u017e\u00edva bentonitov\u00fa suspenziu pod tlakom 2 a\u017e 6 barov. T\u00e1to suspenzia je extr\u00e9mne abraz\u00edvna (\u00falomky horn\u00edn vysokou r\u00fdchlos\u0165ou) a koroz\u00edvna. Tesnenia pohonu musia odol\u00e1va\u0165 tlaku aj oderu s\u00fa\u010dasne po\u010das 2 000 a\u017e 5 000 hod\u00edn medzi servisn\u00fdmi intervalmi tesnenia \u2013 \u010do je najn\u00e1ro\u010dnej\u0161ie prostredie tesnenia v akejko\u013evek aplik\u00e1cii oto\u010dn\u00e9ho pohonu.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Variabiln\u00fd zemn\u00fd kr\u00fatiaci moment \u2013 \u200b\u200bod m\u00e4kkej hliny po tvrd\u00fa \u017eulu v tom istom tuneli<\/h2>\n

Na rozdiel od v\u0161etk\u00fdch ostatn\u00fdch aplik\u00e1ci\u00ed oto\u010dn\u00e9ho pohonu \u2013 kde je za\u0165a\u017eenie predv\u00eddate\u013en\u00e9 a relat\u00edvne kon\u0161tantn\u00e9 \u2013 sa kr\u00fatiaci moment fr\u00e9zovacej hlavy TBM men\u00ed plynule a nepredv\u00eddate\u013ene so zmenou podmienok ter\u00e9nu pozd\u013a\u017e trasy tunela. Jeden tunel m\u00f4\u017ee prech\u00e1dza\u0165 hlinou, pieskom, \u0161trkom, pieskovcom, v\u00e1pencom a \u017eulou \u2013 pri\u010dom ka\u017ed\u00e1 z nich vy\u017eaduje in\u00fd kr\u00fatiaci moment fr\u00e9zovacej hlavy, in\u00fa r\u00fdchlos\u0165 ot\u00e1\u010dania a in\u00fa r\u00fdchlos\u0165 posuvu.<\/p>\n

\n\n\n\n\n\n\n\n
Typ zeme<\/th>\nUCS (MPa)<\/th>\nKr\u00fatiaci moment (kN\u00b7m)<\/th>\nRPM<\/th>\nNa disk (12)<\/th>\n<\/tr>\n<\/thead>\n
M\u00e4kk\u00fd \u00edl \/ bahno<\/td>\n0,1 \u2013 1<\/td>\n3 000 \u2013 8 000<\/td>\n4 \u2013 10<\/td>\n250 \u2013 670<\/td>\n<\/tr>\n
Pieskovec \/ v\u00e1penec<\/td>\n20 \u2013 80<\/td>\n10 000 \u2013 25 000<\/td>\n3 \u2013 6<\/td>\n830 \u2013 2 080<\/td>\n<\/tr>\n
Tvrd\u00e1 \u017eula<\/td>\n100 \u2013 300<\/td>\n25 000 \u2013 50 000<\/td>\n1 \u2013 3<\/td>\n2 080 \u2013 4 170<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Zmie\u0161an\u00e1 tunelov\u00e1 razba \u2013 najhor\u0161\u00ed pr\u00edpad:<\/strong> Naj\u0161kodlivej\u0161\u00edm stavom je zmie\u0161an\u00fd ter\u00e9n \u2013 kde fr\u00e9zovacia hlava nar\u00e1\u017ea na jednej strane na tvrd\u00fa horninu a na druhej strane na m\u00e4kk\u00fa p\u00f4du s\u00fa\u010dasne. To vytv\u00e1ra nevyv\u00e1\u017een\u00e9 radi\u00e1lne sily, ktor\u00e9 sa striedaj\u00fa s ka\u017edou ot\u00e1\u010dkou a za\u0165a\u017euj\u00fa pohony na jednej strane 1,5 a\u017e 2,5-n\u00e1sobkom priemeru, zatia\u013e \u010do opa\u010dn\u00e1 strana sa pohybuje bl\u00edzko nuly. Toto cyklick\u00e9 nevyv\u00e1\u017een\u00e9 za\u0165a\u017eenie sp\u00f4sobuje \u00fanavov\u00e9 po\u0161kodenie 3 a\u017e 5-kr\u00e1t r\u00fdchlej\u0161ie ako pri v\u0155tan\u00ed s rovnomern\u00fdm ter\u00e9nom.<\/p>\n<\/div>\n

V\u00fdpo\u010det kr\u00fatiaceho momentu \u2014 10-metrov\u00fd skaln\u00fd TBM, 12 pohonov<\/h3>\n
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Vzh\u013eadom na:<\/div>\n
\u00a0\u00a0Priemer: 10 000 mm \u00b7 Hornina: \u017eula s pevnos\u0165ou v tavenine 150 MPa<\/div>\n
\u00a0\u00a0Kot\u00fa\u010dov\u00e9 fr\u00e9zy: 52 x 483 mm \u00b7 \u0164ah\/kot\u00fa\u010d: 250 kN<\/div>\n
Kr\u00fatiaci moment fr\u00e9zovacej hlavy (k=0,06, R_avg=2,8 m):<\/div>\n
\u00a0\u00a0T = 52 x 250 000 x 0,06 x 2,8 = 2 184 kN\u00b7m<\/strong><\/div>\n
Faktor zmie\u0161anej plochy (1,8x) \u2192 na pohon (12):<\/div>\n
\u00a0\u00a0T_max = 2 184 x 1,8 \/ 12 = 328 kN\u00b7m na pohon<\/strong><\/div>\n
\u2192 Pohon Korea Ever-Power 400 kN\u00b7m \u2714 (SF=1,22)<\/div>\n<\/div>\n<\/div>\n

Koeficient valenia (k) sa v\u00fdrazne men\u00ed v z\u00e1vislosti od typu horniny a stavu kot\u00fa\u010dov\u00e9ho fr\u00e9zovacieho n\u00e1stroja. \u010cerstv\u00e9 kot\u00fa\u010dov\u00e9 fr\u00e9zy na tvrdej \u017eule dosahuj\u00fa hodnoty k od 0,05 do 0,07. Ako sa fr\u00e9zy opotrebov\u00e1vaj\u00fa (na karbidovom kr\u00fa\u017eku sa vytv\u00e1raj\u00fa ploch\u00e9 miesta), koeficient valenia sa zvy\u0161uje na 0,08 a\u017e 0,12 \u2013 \u010d\u00edm sa kr\u00fatiaci moment fr\u00e9zovacej hlavy zvy\u0161uje o 40 a\u017e 701 TP3T od stavu \u010derstv\u00e9ho fr\u00e9zovacieho n\u00e1stroja po stav opotrebovan\u00e9ho fr\u00e9zovacieho n\u00e1stroja. Oto\u010dn\u00fd pohon mus\u00ed by\u0165 dimenzovan\u00fd na kr\u00fatiaci moment opotrebovan\u00e9ho fr\u00e9zovacieho n\u00e1stroja, nie na kr\u00fatiaci moment nov\u00e9ho fr\u00e9zovacieho n\u00e1stroja \u2013 preto\u017ee intervaly v\u00fdmeny kot\u00fa\u010dov\u00e9ho fr\u00e9zovacieho n\u00e1stroja s\u00fa zvy\u010dajne 500 a\u017e 2 000 v\u0155tac\u00edch hod\u00edn a posledn\u00fdch 201 TP3T z ka\u017edej \u017eivotnosti fr\u00e9zy vytv\u00e1ra najvy\u0161\u0161\u00ed valiv\u00fd odpor. Tento kon\u0161truk\u010dn\u00fd stav opotrebovan\u00e9ho fr\u00e9zovacieho n\u00e1stroja je jedine\u010dn\u00fd pre pohony TBM \u2013 \u017eiadna in\u00e1 aplik\u00e1cia ot\u00e1\u010dania nem\u00e1 premenn\u00fa opotrebenia n\u00e1stroja, ktor\u00e1 by menila kr\u00fatiaci moment pohonu o 40 a\u017e 701 TP3T po\u010das predv\u00eddate\u013en\u00e9ho servisn\u00e9ho intervalu.<\/p>\n<\/section>\n

\"V\u00fdroba<\/p>\n

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\u00dadr\u017eba v stiesnen\u00fdch priestoroch \u2013 dizajn riaden\u00fd logistikou n\u00e1hrad<\/h2>\n

Pri ka\u017edej inej aplik\u00e1cii oto\u010dn\u00e9ho pohonu je mo\u017en\u00e9 chybn\u00fd pohon vymeni\u0165 pomocou mobiln\u00e9ho \u017eeriavu alebo vysokozdvi\u017en\u00e9ho voz\u00edka. Pri oto\u010dnom pohone s oto\u010dn\u00fdm pohonom s\u00fa oto\u010dn\u00e9 pohony umiestnen\u00e9 vo vn\u00fatri \u0161t\u00edtu \u2013 zakopan\u00e9 20 a\u017e 40 metrov pod zemou a pr\u00edstupn\u00e9 iba cez tunel, ktor\u00fd m\u00f4\u017ee by\u0165 dlh\u00fd 2 a\u017e 10 kilometrov. Ka\u017ed\u00fd n\u00e1stroj, ka\u017ed\u00fd n\u00e1hradn\u00fd diel a ka\u017ed\u00fd technik musia prejs\u0165 t\u00fdmto tunelom.<\/p>\n

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5 t<\/div>\n
maxim\u00e1lny zdvih \u2013 iba re\u0165azov\u00e9 kladkostroje<\/div>\n<\/div>\n
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600 mm<\/div>\n
maxim\u00e1lny uhol ot\u00e1\u010dania k\u013e\u00fa\u010da<\/div>\n<\/div>\n
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8\u201316 hod\u00edn<\/div>\n
cie\u013eov\u00fd \u010das nahradenia<\/div>\n<\/div>\n<\/div>\n

Rezacia hlava TBM plan\u00e9tov\u00e9 prevodovky s oto\u010dn\u00fdm pohonom<\/a> s\u00fa navrhnut\u00e9 pre logistiku v\u00fdmeny rovnako ako pre kr\u00fatiaci moment. Mont\u00e1\u017ene rozhranie, geometria spojky, vedenie olejov\u00e9ho pripojenia a dostupnos\u0165 upev\u0148ovac\u00edch prvkov s\u00fa optimalizovan\u00e9 pre 600 mm obl\u00fak k\u013e\u00fa\u010da, 5-tonov\u00fd re\u0165azov\u00fd kladkostroj a 8-hodinov\u00e9 okno na v\u00fdmenu. Ka\u017ed\u00e1 hodina, po\u010das ktorej je TBM zastaven\u00fd kv\u00f4li \u00fadr\u017ebe pohonu, stoj\u00ed 15 000 a\u017e 50 000 USD v stratenom predstihu a oneskoren\u00ed projektu.<\/p>\n

Samotn\u00fd postup v\u00fdmeny je navrhnut\u00fd rovnako starostlivo ako pohon: rozlo\u017eenie mont\u00e1\u017enych skrutiek je ur\u010den\u00e9 pre hydraulick\u00e9 momentov\u00e9 k\u013e\u00fa\u010de (nie pre r\u00e1zov\u00e9 u\u0165ahov\u00e1ky, ktor\u00e9 sa nedaj\u00fa spo\u013eahlivo pou\u017e\u00edva\u0165 v obmedzenom obl\u00faku). Spojenie medzi motorom a prevodovkou vyu\u017e\u00edva dr\u00e1\u017ekovan\u00e9 rozhranie, ktor\u00e9 sa po\u010das in\u0161tal\u00e1cie samovyrovn\u00e1va \u2013 \u010d\u00edm sa eliminuje potreba presn\u00e9ho vyrovnania s \u010d\u00edseln\u00edkov\u00fdmi \u00fachylkomermi v priestore, kde je vidite\u013enos\u0165 a pr\u00edstup v\u00fdrazne obmedzen\u00fd. Plniace a vyp\u00fa\u0161\u0165acie otvory oleja s\u00fa umiestnen\u00e9 tak, aby sa dalo gravita\u010dn\u00e9 plni\u0165 zhora a \u00faplne vyp\u00fa\u0161\u0165a\u0165 zospodu pomocou flexibiln\u00fdch had\u00edc, ktor\u00e9 dok\u00e1\u017eu dosiahnu\u0165 okolo susedn\u00fdch zariaden\u00ed. Tieto logistick\u00e9 detaily \u2013 nevidite\u013en\u00e9 v \u0161pecifik\u00e1cii pre povrchov\u00fa mont\u00e1\u017e \u2013 ur\u010duj\u00fa, \u010di v\u00fdmena pohonu trv\u00e1 8 hod\u00edn (dobre navrhnut\u00e9) alebo 24 hod\u00edn (zle navrhnut\u00e9).<\/p>\n

V\u00e4\u010d\u0161ina dod\u00e1vate\u013eov TBM prepravuje 1 a\u017e 2 kompletn\u00e9 n\u00e1hradn\u00e9 pohony vo vn\u00fatri z\u00e1lo\u017en\u00e9ho port\u00e1lu tunela \u2013 prednaplnen\u00e9 olejom, predtestovan\u00e9 a pripraven\u00e9 na in\u0161tal\u00e1ciu. Strat\u00e9gia n\u00e1hradn\u00fdch pohonov je k\u013e\u00fa\u010dovou s\u00fa\u010das\u0165ou logistick\u00e9ho pl\u00e1nu TBM a mala by by\u0165 \u0161pecifikovan\u00e1 pri po\u010diato\u010dnej objedn\u00e1vke pohonov. N\u00e1hradn\u00fd pohon ulo\u017een\u00fd pri port\u00e1li tunela je vzdialen\u00fd 2 a\u017e 10 kilometrov a 2 a\u017e 4 hodiny prepravy od stroja \u2013 pr\u00edli\u0161 \u010faleko na \u010dasovo kritick\u00e9 v\u00fdmeny po\u010das n\u00e1ro\u010dn\u00e9ho prechodu na ter\u00e9n.<\/p>\n

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\n

Hmotnos\u0165 pohonu je kritick\u00fdm obmedzen\u00edm. Ka\u017ed\u00e1 jednotka mus\u00ed by\u0165 prepravovate\u013en\u00e1 na tunelovom ko\u013eajnicovom syst\u00e9me (zvy\u010dajne v materi\u00e1lovom vozni s nosnos\u0165ou 5 ton) a zdv\u00edhate\u013en\u00e1 re\u0165azov\u00fdmi kladkostrojmi namontovan\u00fdmi na stre\u0161n\u00fdch ly\u017eiach \u0161t\u00edtu. To obmedzuje maxim\u00e1lnu hmotnos\u0165 jednotliv\u00e9ho pohonu na pribli\u017ene 2 500 a\u017e 3 000 kg \u2013 bez oh\u013eadu na po\u017eadovan\u00fd kr\u00fatiaci moment. Pre ve\u013emi ve\u013ek\u00e9 TBM, kde kr\u00fatiaci moment na pohon presahuje to, \u010do dok\u00e1\u017ee dosiahnu\u0165 3 000 kg jednotka, je rie\u0161en\u00edm prida\u0165 viac pohonov (zv\u00fd\u0161enie z 12 na 16 alebo 20) namiesto toho, aby sa ka\u017ed\u00fd pohon zvy\u0161oval. Tento pr\u00edstup k \u0161k\u00e1lovaniu zachov\u00e1va schopnos\u0165 n\u00e1hrady v stiesnenom priestore a z\u00e1rove\u0148 sp\u013a\u0148a celkov\u00fa po\u017eiadavku na kr\u00fatiaci moment prostredn\u00edctvom \u010fal\u0161\u00edch paraleln\u00fdch jednotiek.<\/p>\n<\/div>\n

\"Kompaktn\u00e1<\/div>\n<\/div>\n<\/section>\n
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Tesniace in\u017einierstvo pre tlakov\u00e9 TBM<\/h2>\n

Na prevodovk\u00e1ch s prevodovkou pre tvrd\u00e9 horniny je utesnenie konven\u010dn\u00e9 a zais\u0165uje ochranu pred prachom a vodou. Na prevodovk\u00e1ch s prevodovkou s elektrick\u00fdm pohonom (EPB) a prevodovk\u00e1ch s kalom pracuj\u00fa pohony za pretlakovou prep\u00e1\u017ekou s tlakom 1 a\u017e 6 barov. Tesnenie pohonu mus\u00ed zabr\u00e1ni\u0165 vniknutiu pretlakov\u00e9ho, abraz\u00edvneho a chemicky agres\u00edvneho m\u00e9dia do prevodovky \u2013 nepretr\u017eite, po\u010das 2 000 a\u017e 5 000 hod\u00edn medzi servisn\u00fdmi intervalmi.<\/p>\n

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Tesnenia na pery (Hard Rock TBMs)<\/div>\n

Viacer\u00e9 tandemov\u00e9 tesnenia (3 a\u017e 5) pre postupn\u00e9 odpudzovanie prachu a vody. \u017divotnos\u0165: 3 000 a\u017e 6 000 hod\u00edn. Nie je vhodn\u00e9 pre tlak nad 0,5 baru.<\/p>\n<\/div>\n

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Mechanick\u00e9 \u010deln\u00e9 tesnenia (EPB TBM)<\/div>\n

Plochy z karbidu krem\u00edka alebo karbidu volfr\u00e1mu pritla\u010den\u00e9 pru\u017einami. Odol\u00e1va tlaku 3 a\u017e 6 barov. Miera opotrebenia: 0,01 a\u017e 0,03 mm na 1 000 hod\u00edn. \u017divotnos\u0165: 4 000 a\u017e 8 000 hod\u00edn. Tesniaca komora je predplnen\u00e1 \u010dist\u00fdm mazivom pri pozit\u00edvnom tlaku.<\/p>\n<\/div>\n

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Tlakov\u00fd labyrint + tukov\u00e1 bari\u00e9ra (kalov\u00e9 TBM)<\/div>\n

Viacstup\u0148ov\u00fd labyrint s kontinu\u00e1lnym vstrekovan\u00edm maziva pri tlaku 0,5 a\u017e 1,0 baru nad \u010deln\u00fdm tlakom. Spotreba: 0,5 a\u017e 2,0 l\/h na pohon. 12-pohonn\u00fd labyrintov\u00fd motor na kalu spotrebuje 6 a\u017e 24 l\/h bari\u00e9rov\u00e9ho maziva \u2013 \u010do s\u00fa zna\u010dn\u00e9 n\u00e1klady, ale ove\u013ea menej ako porucha prevodovky v d\u00f4sledku po\u017eitia kalu.<\/p>\n

V\u00fdber tesnenia priamo ovplyv\u0148uje model prev\u00e1dzkov\u00fdch n\u00e1kladov prevodovky s hydraulickou suspenziou (TBM). Mechanick\u00e9 \u010deln\u00e9 tesnenia maj\u00fa ni\u017e\u0161ie prev\u00e1dzkov\u00e9 n\u00e1klady (\u017eiadna spotreba maziva), ale vy\u0161\u0161ie n\u00e1klady na v\u00fdmenu a vy\u017eaduj\u00fa si kvalifikovan\u00fdch technikov na lapovanie \u010deln\u00fdch pl\u00f4ch tesnenia. Tlakov\u00e9 labyrintov\u00e9 tesnenia maj\u00fa vy\u0161\u0161ie prev\u00e1dzkov\u00e9 n\u00e1klady (nepretr\u017eit\u00e1 spotreba maziva 3 a\u017e 8 USD na liter), ale s\u00fa tolerantnej\u0161ie k nespr\u00e1vnemu zarovnaniu a m\u00f4\u017ee ich servisova\u0165 v\u0161eobecn\u00fd person\u00e1l \u00fadr\u017eby. Pre 12-pohonn\u00fd kalov\u00fd TBM prev\u00e1dzkovan\u00fd 6 000 hod\u00edn ro\u010dne pri prietoku 1 l\/h na pohon s\u00fa ro\u010dn\u00e9 n\u00e1klady na mazivo 72 000 litrov x 5 USD = 360 000 USD \u2013 \u010do je v\u00fdznamn\u00fd, ale predv\u00eddate\u013en\u00fd prev\u00e1dzkov\u00fd n\u00e1klad v porovnan\u00ed s nepredv\u00eddate\u013en\u00fdmi n\u00e1kladmi na poruchu mechanick\u00e9ho tesnenia a n\u00e1sledn\u00e9 zaplavenie prevodovky.<\/p>\n

Strat\u00e9gia monitorovania tesnenia sa l\u00ed\u0161i v z\u00e1vislosti od typu tesnenia. Mechanick\u00e9 \u010deln\u00e9 tesnenia mo\u017eno monitorova\u0165 meran\u00edm miery \u00faniku maziva na odtokovom otvore tesnenia \u2013 n\u00e1hle zv\u00fd\u0161enie \u00faniku nazna\u010duje, \u017ee opotrebovanie \u010delnej plochy sa bl\u00ed\u017ei k prahu v\u00fdmeny. Tlakov\u00e9 labyrintov\u00e9 tesnenia mo\u017eno monitorova\u0165 sledovan\u00edm miery spotreby maziva \u2013 zn\u00ed\u017eenie spotreby pri kon\u0161tantnom vstrekovacom tlaku nazna\u010duje \u010diasto\u010dn\u00e9 zablokovanie labyrintu (v d\u00f4sledku nahromadenia kontamin\u00e1cie), zatia\u013e \u010do zv\u00fd\u0161enie nazna\u010duje roz\u0161irovanie labyrintovej medzery v d\u00f4sledku opotrebovania. Oba monitorovacie pr\u00edstupy poskytuj\u00fa 500 a\u017e 1 000 hod\u00edn v predstihu varovania predt\u00fdm, ako sa stav tesnenia stane kritick\u00fdm \u2013 dostato\u010dn\u00fd \u010das na napl\u00e1novanie v\u00fdmeny po\u010das pl\u00e1novanej \u00fadr\u017eb\u00e1rskej zmeny, a nie n\u00fadzov\u00e9ho zastavenia.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\"Testovacie<\/p>\n

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Tri poruchov\u00e9 re\u017eimy \u0161pecifick\u00e9 pre oto\u010dn\u00e9 pohony fr\u00e9zovacej hlavy TBM<\/h2>\n
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1<\/div>\n
N\u00e1rast kr\u00fatiaceho momentu z n\u00e1razu na balvan prekra\u010duje menovit\u00fd v\u00fdkon tlmi\u010da pohonu<\/div>\n<\/div>\n

Ke\u010f fr\u00e9za naraz\u00ed na izolovan\u00fd balvan v m\u00e4k\u0161om ter\u00e9ne, kot\u00fa\u010dov\u00e1 fr\u00e9za prenesie kr\u00fatiaci moment s hodnotou 2 a\u017e 4-n\u00e1sobku priemeru \u2013 trvaj\u00faci 0,1 a\u017e 0,5 sekundy. Plan\u00e9tov\u00e9 koles\u00e1 musia tento n\u00e1raz absorbova\u0165 bez zlomenia zubov. Opakovan\u00e9 stretnutia (10 a\u017e 50 n\u00e1razov na meter v \u013eadovcovom ter\u00e9ne) akumuluj\u00fa \u00fanavu ove\u013ea r\u00fdchlej\u0161ie ako predpoklady na rovnomernom ter\u00e9ne. Kr\u00fatiaci moment sa \u0161\u00edri cez z\u00e1ber pastorka a kr\u00fa\u017eku do plan\u00e9tov\u00fdch stup\u0148ov \u2013 za\u0165a\u017euje centr\u00e1lne koleso, plan\u00e9tov\u00e9 koles\u00e1 a un\u00e1\u0161acie \u010dapy impulzom, ktor\u00fd presahuje ust\u00e1len\u00fd n\u00e1vrhov\u00fd kr\u00fatiaci moment. Nap\u00e4tie v kore\u0148ovej \u010dasti zuba ozuben\u00e9ho kolesa po\u010das 3-n\u00e1sobn\u00e9ho n\u00e1razu sa m\u00f4\u017ee pribl\u00ed\u017ei\u0165 k medzi klzu \u0161tandardnej cementovanej ocele \u2013 a ak sa n\u00e1raz zhoduje s existuj\u00facou \u00fanavovou trhlinou z predch\u00e1dzaj\u00facich udalost\u00ed, zub sa m\u00f4\u017ee katastroficky zlomi\u0165, pri\u010dom sa do z\u00e1beru ozuben\u00e9ho kolesa uvo\u013enia \u00falomky, ktor\u00e9 po\u0161kodia susedn\u00e9 zuby a lo\u017eisk\u00e1 pri kask\u00e1dovom zlomen\u00ed.<\/p>\n

Prevencia: Dynamick\u00e9 hodnotenie pod\u013ea DIN 3990, met\u00f3da B. Oce\u013e 18CrNiMo7-6, 58\u201362 HRC. Monitorovanie kr\u00fatiaceho momentu pre ka\u017ed\u00fd pohon.<\/div>\n<\/div>\n
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2<\/div>\n
Porucha tesnenia v d\u00f4sledku po\u017eitia tlakovej suspenzie<\/div>\n<\/div>\n

U prevodoviek EPB a hydraulick\u00fdch prevodoviek s kalom m\u00f4\u017ee katastrof\u00e1lne zlyhanie tesnenia zaplni\u0165 prevodovku abraz\u00edvnym kalom pod tlakom 2 a\u017e 6 barov v priebehu nieko\u013ek\u00fdch hod\u00edn, \u010d\u00edm sa zni\u010d\u00ed cel\u00e9 ozuben\u00e9 koleso a v\u0161etky lo\u017eisk\u00e1 v jedinom pr\u00edpade. Na rozdiel od postupn\u00fdch \u00fanikov (zistite\u013en\u00fdch anal\u00fdzou oleja) je katastrofick\u00e9 zlyhanie okam\u017eit\u00e9 a \u00fapln\u00e9. N\u00e1klady na v\u00fdmenu sa zvy\u0161uj\u00fa o 8 a\u017e 16 hod\u00edn prestojov hydraulick\u00e9ho prevodov\u00e9ho syst\u00e9mu s kalom, \u010do predstavuje 15 000 a\u017e 50 000 USD za hodinu.<\/p>\n

Prevencia: Mechanick\u00e9 \u010deln\u00e9 alebo tlakov\u00e9 labyrintov\u00e9 tesnenia (povinn\u00e9 pre EPB\/kal). Sn\u00edma\u010de \u00faniku pri odtoku tesnenia. Odber vzoriek oleja ka\u017ed\u00fdch 500 hod\u00edn.<\/div>\n<\/div>\n
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3<\/div>\n
Zaseknutie fr\u00e9zovacej hlavy vy\u017eaduj\u00face sp\u00e4tn\u00e9 ot\u00e1\u010danie pri plnom zastavovacom momente<\/div>\n<\/div>\n

Ke\u010f sa fr\u00e9zovacia hlava zasekne, obsluha ju mus\u00ed oto\u010di\u0165 dozadu, aby uvo\u013enila prek\u00e1\u017eku. Sp\u00e4tn\u00fd kr\u00fatiaci moment za\u0165a\u017euje opa\u010dn\u00fd (nehnac\u00ed) bok zuba \u2013 povrch s men\u0161ou odolnos\u0165ou vo\u010di \u00fanave v d\u00f4sledku men\u0161ieho kontaktu po\u010das norm\u00e1lneho ot\u00e1\u010dania vpred. Viacer\u00e9 cykly zaseknutia a sp\u00e4tn\u00e9ho chodu za smenu pri zmie\u0161anom br\u00fasen\u00ed sp\u00f4sobuj\u00fa zr\u00fdchlen\u00e9 odlupovanie sp\u00e4tn\u00e9ho boku v priebehu 2 000 a\u017e 4 000 hod\u00edn. Probl\u00e9m je zhor\u0161en\u00fd skuto\u010dnos\u0165ou, \u017ee sp\u00e4tn\u00fd kr\u00fatiaci moment sa \u010dasto aplikuje pri plnom tlaku v syst\u00e9me (obsluha stla\u010d\u00ed hydraulick\u00fd poistn\u00fd ventil na maximum, aby uvo\u013enila zaseknutie) \u2013 generuje \u0161pi\u010dky kr\u00fatiaceho momentu, ktor\u00e9 prekra\u010duj\u00fa norm\u00e1lne maximum pri rezan\u00ed vpred o 10 a\u017e 301 TP3T. T\u00e1to kombin\u00e1cia menej kalenej kontaktnej plochy a vy\u0161\u0161ieho kr\u00fatiaceho momentu ako je norm\u00e1lne rob\u00ed z poruchy sp\u00e4tn\u00e9ho boku naj\u010dastej\u0161\u00edm sp\u00f4sobom po\u0161kodenia ozuben\u00e9ho kolesa pri razen\u00ed tunelov TBM so zmie\u0161an\u00fdm \u010deln\u00fdm povrchom.<\/p>\n

Prevencia: Symetrick\u00fd profil zubov (obe boky rovnakej kvality). Obmedzenie sp\u00e4tn\u00e9ho chodu na 80% kr\u00fatiaceho momentu vpred. Zaznamenajte si v\u0161etky sp\u00e4tn\u00e9 chody.<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom pre fr\u00e9zovaciu hlavu TBM \u2014 \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
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Ko\u013eko oto\u010dn\u00fdch pohonov pou\u017e\u00edva typick\u00fd TBM?<\/h3>\n

8 a\u017e 20. Mal\u00e9 TBM (3 \u2013 6 m) pou\u017e\u00edvaj\u00fa 8 a\u017e 10. Stredn\u00e9 (6 \u2013 10 m) pou\u017e\u00edvaj\u00fa 10 a\u017e 14. Ve\u013ek\u00e9 (10 \u2013 17 m) pou\u017e\u00edvaj\u00fa 14 a\u017e 20. Celkov\u00fd v\u00fdkon: 1 500 a\u017e 15 000 kW. Ka\u017ed\u00e1 jednotka v\u00e1\u017ei 800 a\u017e 3 000 kg \u2013 dimenzovan\u00e9 pre obmedzenie n\u00e1hrady 5-tonov\u00e9ho re\u0165azov\u00e9ho kladkostroja.<\/p>\n<\/div>\n

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Ak\u00e1 je typick\u00e1 \u017eivotnos\u0165?<\/h3>\n

5 000 a\u017e 15 000 hod\u00edn v\u0155tania (5 a\u017e 15 km tunela). M\u00e4kk\u00fd ter\u00e9n: do 15 000 h. Tvrd\u00e1 hornina s balvanmi: 5 000 a\u017e 8 000 h. Zmie\u0161an\u00fd ter\u00e9n s \u010dast\u00fdmi upch\u00e1vaniami: 4 000 a\u017e 6 000 h. Anal\u00fdza oleja v 500-hodinov\u00fdch intervaloch je naj\u00fa\u010dinnej\u0161\u00edm v\u010dasn\u00fdm varovan\u00edm.<\/p>\n<\/div>\n

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Ako dlho trv\u00e1 v\u00fdmena jedn\u00e9ho disku v TBM?<\/h3>\n

8 a\u017e 16 hod\u00edn s 2 a\u017e 3 technikmi. Obmedzenie ot\u00e1\u010dania k\u013e\u00fa\u010da 600 mm prid\u00e1va k 50% 30 v porovnan\u00ed s povrchovou mont\u00e1\u017eou. V\u00e4\u010d\u0161ina oper\u00e1torov nos\u00ed 1 a\u017e 2 n\u00e1hradn\u00e9 disky vo vn\u00fatri z\u00e1lo\u017en\u00e9ho syst\u00e9mu tunela pre r\u00fdchlu v\u00fdmenu po\u010das pl\u00e1novan\u00fdch \u00fadr\u017eb\u00e1rskych zmien.<\/p>\n<\/div>\n

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M\u00f4\u017ee TBM pokra\u010dova\u0165 v nude, ak jeden disk zlyh\u00e1?<\/h3>\n

\u00c1no \u2013 toto je hlavn\u00e1 v\u00fdhoda viacdiskov\u00e9 architekt\u00fary. Jeden chybn\u00fd disk v 12-diskovom syst\u00e9me zvy\u0161uje za\u0165a\u017eenie ka\u017edej zost\u00e1vaj\u00facej jednotky o 9%. TBM pokra\u010duje so zn\u00ed\u017eenou r\u00fdchlos\u0165ou posunu 5 a\u017e 12% a\u017e do \u010fal\u0161ieho pl\u00e1novan\u00e9ho okna \u00fadr\u017eby.<\/p>\n<\/div>\n

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Ak\u00fd typ tesnenia je potrebn\u00fd pre kalov\u00e9 TBM?<\/h3>\n

Mechanick\u00e9 \u010deln\u00e9 tesnenia (karbidov\u00e9 tesnenia, menovit\u00fd tlak 3 \u2013 6 barov) alebo tlakov\u00e9 labyrintov\u00e9 tesnenia s kontinu\u00e1lnym vstrekovan\u00edm maziva (0,5 \u2013 2,0 l\/h na pohon). \u0160tandardn\u00e9 perov\u00e9 tesnenia zlyhaj\u00fa v priebehu nieko\u013ek\u00fdch dn\u00ed pri tlaku abraz\u00edvnej suspenzie viac ako 2 bary. Vo\u013eba z\u00e1vis\u00ed od maxim\u00e1lneho \u010deln\u00e9ho tlaku, obsahu abraz\u00edva a prijate\u013enej spotreby maziva.<\/p>\n<\/div>\n

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Dod\u00e1va spolo\u010dnos\u0165 Korea Ever-Power pohony rezac\u00edch hl\u00e1v pre TBM?<\/h3>\n

\u00c1no. 3 a\u017e 4-stup\u0148ov\u00e9 plan\u00e9tov\u00e9 redukcie, kalen\u00e9 ozuben\u00e9 koles\u00e1 18CrNiMo7-6 (DIN 3990 met\u00f3da B), mo\u017enosti pretlakov\u00e9ho mechanick\u00e9ho \u010deln\u00e9ho tesnenia a labyrintov\u00e9ho tesnenia, mont\u00e1\u017ene rozhrania v stiesnen\u00fdch priestoroch. K dispoz\u00edcii od 200 do 4 500 kN\u00b7m na jednotku pre TBM s d\u013a\u017ekou 3 a\u017e 17 metrov. Pre zodpovedaj\u00facu \u0161pecifik\u00e1ciu uve\u010fte v\u00fdrobcu TBM, priemer, ter\u00e9nne podmienky a maxim\u00e1lny \u010deln\u00fd tlak.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Pohony fr\u00e9zovac\u00edch hl\u00e1v TBM \u2013 odoln\u00e9 vo\u010di n\u00e1razom, tlakovo utesnen\u00e9, vymenite\u013en\u00e9 v tuneli<\/div>\n

Spolo\u010dnos\u0165 Korea Ever-Power dod\u00e1va plan\u00e9tov\u00e9 prevodovky TBM s oto\u010dn\u00fdm pohonom fr\u00e9zovac\u00edch hl\u00e1v od 200 do 4 500 kN\u00b7m na kus s prevodmi odoln\u00fdmi vo\u010di n\u00e1razom, tlakov\u00fdmi tesneniami a mont\u00e1\u017eou v stiesnen\u00fdch priestoroch.<\/p>\n<\/div>\n

Zobrazi\u0165 sortiment oto\u010dn\u00fdch pohonov \u2192<\/a><\/p>\n
sales@planet\u00e1rne-prevodovky.com<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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

Korea Ever-Power \u00b7 Application Engineering \u00b7 Tunnel Boring Machines Slewing Drive Planetary Gearbox for TBM Cutterhead No other slewing application combines this much torque, this much confinement, and this much consequence of failure. The TBM cutterhead drive system generates 10,000 to 50,000 kN\u00b7m of torque from 8 to 20 individual slewing drive planetary gearboxes \u2014 […]<\/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":[965],"tags":[],"class_list":["post-1099","post","type-post","status-publish","format-standard","hentry","category-application-and-technical-guid"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts\/1099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/comments?post=1099"}],"version-history":[{"count":5,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts\/1099\/revisions"}],"predecessor-version":[{"id":1113,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts\/1099\/revisions\/1113"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/media?parent=1099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/categories?post=1099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/tags?post=1099"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}