{"id":1095,"date":"2026-06-24T03:38:07","date_gmt":"2026-06-24T03:38:07","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=1095"},"modified":"2026-06-24T03:38:07","modified_gmt":"2026-06-24T03:38:07","slug":"slewing-drive-planetary-gearbox-for-radar-antennas","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/sk\/slewing-drive-planetary-gearbox-for-radar-antennas\/","title":{"rendered":"Plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom pre radarov\u00e9 ant\u00e9ny"},"content":{"rendered":"
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Korea Ever-Power \u00b7 Aplika\u010dn\u00e9 in\u017einierstvo \u00b7 Radarov\u00e9 a ant\u00e9nne syst\u00e9my<\/p>\n

Plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom pre radarov\u00e9 ant\u00e9ny \u2013 presnos\u0165 nav\u00e1dzania 0,02 stup\u0148a, 24 hod\u00edn denne, po\u010das 20 rokov<\/h1>\n

Ka\u017ed\u00fd \u010fal\u0161\u00ed oto\u010dn\u00fd pohon v tejto s\u00e9rii meria presnos\u0165 v stup\u0148och. Oto\u010dn\u00e9 pohony radarovej ant\u00e9ny meraj\u00fa presnos\u0165 v milistup\u0148ov<\/strong> \u2014 0,01 a\u017e 0,1 stup\u0148a \u2014 preto\u017ee chyba nasmerovania 0,1 stup\u0148a na 12-metrovej parabole zameranej na satelit vzdialen\u00fd 36 000 km minie cie\u013e o 63 kilometrov<\/strong>.<\/p>\n

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

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P\u00e4\u0165 typov ant\u00e9n, ktor\u00e9 sa spoliehaj\u00fa na plan\u00e9tov\u00e9 prevodovky s oto\u010dn\u00fdm pohonom<\/h2>\n

Ten\/T\u00e1\/To plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom<\/a> je polohovac\u00ed mechanizmus pre ka\u017ed\u00fa riadite\u013en\u00fa ant\u00e9nu s priemerom v\u00e4\u010d\u0161\u00edm ako pribli\u017ene 1 meter \u2013 od letiskov\u00fdch radarov a\u017e po satelitn\u00e9 ant\u00e9ny pre komunik\u00e1ciu v hlbokom vesm\u00edre. Ka\u017ed\u00fd typ ant\u00e9ny kladie na pohon odli\u0161n\u00e9 po\u017eiadavky, ale v\u0161etky maj\u00fa spolo\u010dn\u00fa po\u017eiadavku na uhlov\u00fa presnos\u0165, ktor\u00e1 \u010faleko presahuje ak\u00fako\u013evek kon\u0161truk\u010dn\u00fa alebo energetick\u00fa aplik\u00e1ciu.<\/p>\n

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Typ ant\u00e9ny<\/th>\nParabola (m)<\/th>\nUhol (stup\u0148ov)<\/th>\nR\u00fdchlos\u0165<\/th>\nPovinnos\u0165<\/th>\n<\/tr>\n<\/thead>\n
Satelitn\u00e1 pozemsk\u00e1 stanica<\/td>\n3 \u2013 15<\/td>\n0,01 \u2013 0,05<\/td>\nVe\u013emi pomal\u00e9 (sledovanie)<\/td>\nNepretr\u017eite 24 hod\u00edn denne, 7 dn\u00ed v t\u00fd\u017edni<\/td>\n<\/tr>\n
Doh\u013ead nad letiskom<\/td>\n4 \u2013 10<\/td>\n0,1 \u2013 0,3<\/td>\n4 \u2013 15 ot.\/min. (kontinu\u00e1lne)<\/td>\nNepretr\u017eite 24 hod\u00edn denne, 7 dn\u00ed v t\u00fd\u017edni<\/td>\n<\/tr>\n
Meteorologick\u00fd radar<\/td>\n3 \u2013 8<\/td>\n0,1 \u2013 0,5<\/td>\n2 \u2013 6 ot.\/min.<\/td>\nNepretr\u017eite 24 hod\u00edn denne, 7 dn\u00ed v t\u00fd\u017edni<\/td>\n<\/tr>\n
Vojensk\u00e9 sledovanie<\/td>\n1 \u2013 6<\/td>\n0,005 \u2013 0,02<\/td>\nVariabiln\u00e1 (0 a\u017e 60 stup\u0148ov\/s)<\/td>\nPreru\u0161ovan\u00e9<\/td>\n<\/tr>\n
R\u00e1diov\u00fd \u010falekoh\u013ead<\/td>\n10 \u2013 100<\/td>\n0,001 \u2013 0,01<\/td>\nHviezdna r\u00fdchlos\u0165 (0,004 stup\u0148a\/s)<\/td>\nNo\u010dn\u00e9 pozorovanie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

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V\u00f4\u013ea je nepriate\u013eom \u2013 pre\u010do ant\u00e9nne pohony vy\u017eaduj\u00fa takmer nulov\u00fa v\u00f4\u013eu prevodov\u00e9ho stup\u0148a<\/h2>\n
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V oto\u010dnom pohone stavebn\u00e9ho \u017eeriavu je prijate\u013en\u00e1 v\u00f4\u013ea 10 a\u017e 15 uhlov\u00fdch min\u00fat \u2013 vytv\u00e1ra nieko\u013ekocentimetrov\u00fa neistotu polohy h\u00e1ku na \u0161pi\u010dke v\u00fdlo\u017en\u00edka, ktor\u00fa obsluha \u013eahko vyrovn\u00e1. V radarovej ant\u00e9ne sa v\u00f4\u013ea priamo premieta do chyby nasmerovania \u2013 a chyba nasmerovania znamen\u00e1, \u017ee l\u00fa\u010d ant\u00e9ny minie svoj cie\u013e.<\/p>\n

Pre satelitn\u00fa pozemsk\u00fa stanicu sleduj\u00facu geostacion\u00e1rny satelit vo vzdialenosti 36 000 km: chyba zamerania 0,1 stup\u0148a (6 obl\u00fakov\u00fdch min\u00fat) posunie stred l\u00fa\u010da o 63 km na satelite \u2013 \u010faleko mimo \u0161\u00edrky l\u00fa\u010da transpond\u00e9ra satelitu. Sign\u00e1l sa strat\u00ed. Pre vojensk\u00fd radar riadenia pa\u013eby: chyba 0,02 stup\u0148a (1,2 obl\u00fakov\u00fdch min\u00fat) vo vzdialenosti 50 km posunie bod sledovania o 17 metrov \u2013 \u010do sta\u010d\u00ed na to, aby \u00faplne minul mal\u00fd cie\u013e.<\/p>\n

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< 1<\/div>\n
celkov\u00e1 syst\u00e9mov\u00e1 v\u00f4\u013ea v uhlov\u00fdch min\u00fatach pre sledovanie satelitov. Samotn\u00fd oto\u010dn\u00fd pohon mus\u00ed prispieva\u0165 menej ako 0,5 uhlov\u00fdch min\u00fat \u2013 zvy\u0161n\u00fd rozpo\u010det spotrebuje lo\u017eisko, podstavec a \u0161truktur\u00e1lne vych\u00fdlenie ant\u00e9ny.<\/div>\n<\/div>\n
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< 0,3<\/div>\n
uhlov\u00fdch min\u00fat pre vojensk\u00e9 sledovacie radary. Dosiahne sa to v\u010faka predp\u00e4t\u00e9mu usporiadaniu dvojpastorkov\u00fdch ozuben\u00fdch kolies s ochranou proti sp\u00e4tn\u00e9mu r\u00e1zu \u2013 dva pastorky zaberaj\u00fa s rovnak\u00fdm ozuben\u00fdm veniecom v opa\u010dn\u00fdch smeroch, pru\u017einovo predp\u00e4t\u00e9 vo\u010di sebe, aby sa eliminovala ak\u00e1ko\u013evek v\u00f4\u013ea.<\/div>\n<\/div>\n<\/div>\n
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Strat\u00e9gia riadenia sp\u00e4tn\u00e9ho r\u00e1zu \u2013 dvojpastorkov\u00e9 rie\u0161enie proti sp\u00e4tn\u00e9mu r\u00e1zu:<\/strong> Najefekt\u00edvnej\u0161\u00ed pr\u00edstup pre vysoko presn\u00e9 ant\u00e9ny vyu\u017e\u00edva dva oto\u010dn\u00e9 pohony zaberaj\u00face s rovnak\u00fdm ozuben\u00fdm vencom, pri\u010dom ka\u017ed\u00fd je za\u0165a\u017een\u00fd oproti sebe torznou pru\u017einou alebo hydraulick\u00fdm valcom s kon\u0161tantn\u00fdm tlakom. Jeden pohon tla\u010d\u00ed v smere hodinov\u00fdch ru\u010di\u010diek, druh\u00fd tla\u010d\u00ed proti smeru hodinov\u00fdch ru\u010di\u010diek. Sila pru\u017einy udr\u017eiava oba pastorky v neust\u00e1lom kontakte s ich pr\u00edslu\u0161n\u00fdmi bokmi zubov, \u010d\u00edm sa eliminuje m\u0155tva z\u00f3na, ktor\u00fa vykazuj\u00fa syst\u00e9my s jedn\u00fdm pastorkom pri zmene smeru. Toto usporiadanie s dvoma pastorkami je \u0161tandardom pre satelitn\u00e9 pozemn\u00e9 stanice a vojensk\u00e9 sledovacie radary a zvy\u0161uje n\u00e1klady na oto\u010dn\u00fd pohon o 60 a\u017e 1001 TP3T \u2013 \u010do je opodstatnen\u00e9 zlep\u0161en\u00edm presnosti nav\u00e1dzania.<\/p>\n<\/div>\n<\/div>\n

\"Prev\u00e1dzkov\u00e1<\/p>\n
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Z\u00e1ber plan\u00e9tov\u00e9ho ozuben\u00e9ho kolesa. Pohony radarov\u00fdch ant\u00e9n pou\u017e\u00edvaj\u00fa ozuben\u00e9 koles\u00e1 triedy DIN 4 a\u017e 5 s br\u00fasenou povrchovou \u00fapravou \u2013 o 2 a\u017e 3 stupne kvality vy\u0161\u0161ou ako kon\u0161truk\u010dn\u00e9 pohony \u2013 na dosiahnutie submin\u00fatovej v\u00f4le, ktor\u00fa si vy\u017eaduje presnos\u0165 nasmerovania.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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Nepretr\u017eit\u00e1 rota\u010dn\u00e1 slu\u017eba \u2013 Letiskov\u00e9 radary, ktor\u00e9 sa ot\u00e1\u010daj\u00fa 24 hod\u00edn denne, 7 dn\u00ed v t\u00fd\u017edni u\u017e 20 rokov<\/h2>\n

Letiskov\u00fd sledovac\u00ed radar (ASR) sa ot\u00e1\u010da nepretr\u017eite r\u00fdchlos\u0165ou 12 a\u017e 15 ot\u00e1\u010dok za min\u00fatu \u2013 jedna cel\u00e1 ot\u00e1\u010dka ka\u017ed\u00fdch 4 a\u017e 5 sek\u00fand \u2013 24 hod\u00edn denne, 365 dn\u00ed v roku, po\u010das 15 a\u017e 20 rokov medzi gener\u00e1lnymi opravami. Ide o najn\u00e1ro\u010dnej\u0161iu \u00falohu nepretr\u017eitej rot\u00e1cie, akej \u010del\u00ed ak\u00fdko\u013evek oto\u010dn\u00fd pohon. Za 20 rokov vykon\u00e1 azimut\u00e1lny oto\u010dn\u00fd pohon pribli\u017ene 63 a\u017e 158 mili\u00f3nov ot\u00e1\u010dok \u2013 r\u00e1dovo viac ako ak\u00fdko\u013evek stavebn\u00fd alebo energetick\u00fd oto\u010dn\u00fd pohon.<\/p>\n

Pri 15 ot.\/min. ka\u017ed\u00fd zub plan\u00e9tov\u00e9ho kolesa v 3-stup\u0148ovom plan\u00e9tovom reduktore s prevodov\u00fdm pomerom 600:1 vykon\u00e1 na centr\u00e1lnom kolese pribli\u017ene 9 000 ot\u00e1\u010dok za min\u00fatu. V\u00fdpo\u010dty \u017eivotnosti lo\u017eiska a zuba kolesa pre t\u00fato nepretr\u017eit\u00fa vysokor\u00fdchlostn\u00fa prev\u00e1dzku sa z\u00e1sadne l\u00ed\u0161ia od preru\u0161ovanej n\u00edzkor\u00fdchlostnej prev\u00e1dzky stavebn\u00fdch a energetick\u00fdch oto\u010dn\u00fdch pohonov. \u017divotnos\u0165 lo\u017eiska L10 sa mus\u00ed vypo\u010d\u00edta\u0165 pomocou spektier za\u0165a\u017eenia pre nepretr\u017eit\u00fa prev\u00e1dzku, nie spektier preru\u0161ovanej prev\u00e1dzky pou\u017e\u00edvan\u00fdch pre \u017eeriavy a vetern\u00e9 turb\u00edny.<\/p>\n

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Probl\u00e9m mazania pri nepretr\u017eitej rot\u00e1cii:<\/strong> Pri kontinu\u00e1lnych ot\u00e1\u010dkach 15 ot.\/min. sa teplota oleja v pohone ot\u00e1\u010dania stabilizuje na 40 a\u017e 60 \u00b0C nad teplotou okolia \u2013 celoro\u010dne. V tropickom letiskovom zariaden\u00ed pri teplote okolia 40 \u00b0C m\u00f4\u017ee vn\u00fatorn\u00e1 teplota oleja dosiahnu\u0165 nepretr\u017eite 100 \u00b0C. Olej si mus\u00ed pri tejto teplote udr\u017eiava\u0165 viskozitu, pevnos\u0165 filmu a odolnos\u0165 vo\u010di oxid\u00e1cii po\u010das intervalov v\u00fdmeny oleja 4 000 a\u017e 8 000 hod\u00edn. Syntetick\u00e9 oleje PAO (polyalfaolef\u00edn) s\u00fa \u0161tandardom pre pohony radarov s kontinu\u00e1lnou rot\u00e1ciou \u2013 miner\u00e1lne oleje pri t\u00fdchto trval\u00fdch teplot\u00e1ch oxiduj\u00fa pr\u00edli\u0161 r\u00fdchlo.<\/p>\n<\/div>\n<\/div>\n

\"Plan\u00e9tov\u00e1
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Hore: Aplik\u00e1cia oto\u010dn\u00e9ho pohonu s kontinu\u00e1lnou rot\u00e1ciou. Dole: Presn\u00e9 br\u00fasenie ozuben\u00fdch kolies \u2013 radarov\u00e9 pohony vy\u017eaduj\u00fa najvy\u0161\u0161ie stupne kvality ozuben\u00fdch kolies (DIN 4 a\u017e 5) pre 20 rokov nepretr\u017eitej rot\u00e1cie.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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\"Plan\u00e9tov\u00e1<\/p>\n
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In\u0161tal\u00e1cie radarov\u00fdch ant\u00e9n siahaj\u00fa od kompaktn\u00fdch 1-metrov\u00fdch vojensk\u00fdch sledovac\u00edch parabol a\u017e po 100-metrov\u00e9 r\u00e1dioteleskopick\u00e9 syst\u00e9my \u2013 v\u0161etky s\u00fa polohovan\u00e9 pomocou oto\u010dn\u00fdch plan\u00e9tov\u00fdch prevodoviek s presnos\u0165ou 10 a\u017e 1 000-kr\u00e1t vy\u0161\u0161ou ako v akejko\u013evek stavebnej aplik\u00e1cii.<\/p>\n<\/div>\n<\/div>\n

\"Testovacie<\/p>\n
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K\u00f3rejsk\u00e9 testovacie stredisko Ever-Power. Pohony ot\u00e1\u010dania radarov\u00fdch ant\u00e9n sa pred dodan\u00edm podrobuj\u00fa meraniu v\u00f4le s rozl\u00ed\u0161en\u00edm sub-uhlovej min\u00faty a sk\u00fa\u0161ke odolnosti pri kontinu\u00e1lnej rot\u00e1cii \u2013 s\u00fa\u010dasne sa overuje presnos\u0165 aj odolnos\u0165.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Elektromagnetick\u00e1 kompatibilita \u2013 Pre\u010do mus\u00ed by\u0165 pohon radarovej ant\u00e9ny elektricky tich\u00fd<\/h2>\n

Radarov\u00e1 ant\u00e9na prij\u00edma sign\u00e1ly slab\u00e9 a\u017e do -120 dBm (jedna miliardtina miliardtiny wattu). Ak\u00fdko\u013evek elektromagnetick\u00fd \u0161um generovan\u00fd motorom oto\u010dn\u00e9ho pohonu, enkod\u00e9rom alebo elektronikou pohonu sa m\u00f4\u017ee prenies\u0165 do ant\u00e9nneho nap\u00e1jania a maskova\u0165 cie\u013eov\u00fd sign\u00e1l. Syst\u00e9m oto\u010dn\u00e9ho pohonu mus\u00ed sp\u013a\u0148a\u0165 po\u017eiadavky EMC (elektromagnetick\u00e1 kompatibilita), ktor\u00e9 s\u00fa r\u00e1dovo pr\u00edsnej\u0161ie ako ak\u00e1ko\u013evek norma pre priemyseln\u00e9 pohony.<\/p>\n

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V\u00fdber motora<\/div>\n

Bezkefkov\u00e9 motory na jednosmern\u00fd pr\u00fad s\u00fa uprednost\u0148ovan\u00e9 pred kefkov\u00fdmi motormi, preto\u017ee obl\u00fak kefiek generuje \u0161irokop\u00e1smov\u00fd elektromagnetick\u00fd \u0161um. Pohony s premenlivou frekvenciou (VFD) pre striedav\u00e9 motory musia pou\u017e\u00edva\u0165 tienen\u00e9 k\u00e1ble a filtrovan\u00e9 v\u00fdstupy, aby sa zabr\u00e1nilo vy\u017earovaniu sp\u00ednacieho \u0161umu do bo\u010dn\u00fdch lalokov ant\u00e9ny. V extr\u00e9mnych pr\u00edpadoch sa pou\u017e\u00edvaj\u00fa hydraulick\u00e9 motory (ktor\u00e9 negeneruj\u00fa \u017eiadne elektromagnetick\u00e9 emisie) \u2013 akceptuj\u00fa ni\u017e\u0161iu presnos\u0165 polohovania hydraulick\u00e9ho pohonu v\u00fdmenou za \u00fapln\u00e9 elektromagnetick\u00e9 ticho.<\/p>\n<\/div>\n

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Enkod\u00e9r a sp\u00e4tn\u00e1 v\u00e4zba<\/div>\n

Sp\u00e4tnov\u00e4zobn\u00e9 enkod\u00e9ry polohy namontovan\u00e9 na v\u00fdstupe oto\u010dn\u00e9ho pohonu musia poskytova\u0165 rozl\u00ed\u0161enie zodpovedaj\u00face presnosti polohovania \u2013 zvy\u010dajne 18 a\u017e 22 bitov (262 144 a\u017e 4 194 304 impulzov na ot\u00e1\u010dku). Tieto enkod\u00e9ry s vysok\u00fdm rozl\u00ed\u0161en\u00edm pou\u017e\u00edvaj\u00fa optick\u00e9 alebo magnetick\u00e9 sn\u00edmanie a generuj\u00fa n\u00edzko\u00farov\u0148ov\u00e9 digit\u00e1lne sign\u00e1ly, ktor\u00e9 musia by\u0165 tienen\u00e9 pred nap\u00e1jac\u00edmi k\u00e1blami motora. Mont\u00e1\u017ene rozhranie enkod\u00e9ra na oto\u010dnom pohone mus\u00ed poskytova\u0165 pevn\u00e9, bezvibra\u010dn\u00e9 upevnenie s nulovou v\u00f4\u013eou pri spojen\u00ed s v\u00fdstupn\u00fdm hriade\u013eom.<\/p>\n<\/div>\n

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Uzemnenie a tienenie<\/div>\n

Kryt oto\u010dn\u00e9ho pohonu mus\u00ed poskytova\u0165 nepretr\u017eit\u00fa elektrick\u00fa uzem\u0148ovaciu cestu od r\u00e1mu motora cez kryt prevodovky k podstavcu ant\u00e9ny \u2013 \u010d\u00edm sa zabr\u00e1ni zemn\u00fdm slu\u010dk\u00e1m, ktor\u00e9 generuj\u00fa \u0161umov\u00e9 pr\u00fady. V\u0161etky k\u00e1blov\u00e9 vstupy musia pou\u017e\u00edva\u0165 tienen\u00e9 konektory s 360-stup\u0148ov\u00fdm tienen\u00fdm zakon\u010den\u00edm. Lo\u017eisko oto\u010dn\u00e9ho kr\u00fa\u017eku mus\u00ed udr\u017eiava\u0165 elektrick\u00fa kontinuitu medzi rotuj\u00facimi a stacion\u00e1rnymi \u010das\u0165ami, aby sa zabr\u00e1nilo akumul\u00e1cii n\u00e1boja a v\u00fdbojov\u00e9mu obl\u00faku na val\u010dekoch lo\u017eiska.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Tri poruchov\u00e9 re\u017eimy jedine\u010dn\u00e9 pre oto\u010dn\u00e9 pohony radarov\u00fdch ant\u00e9n<\/h2>\n
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1<\/div>\n
Rast v\u00f4le z neust\u00e1leho ot\u00e1\u010dania vysokou r\u00fdchlos\u0165ou zni\u017euje presnos\u0165 polohovania<\/div>\n<\/div>\n

Po\u010das 63 a\u017e 158 mili\u00f3nov ot\u00e1\u010dok (20 rokov nepretr\u017eitej prev\u00e1dzky letiskov\u00e9ho radaru) doch\u00e1dza aj k merate\u013en\u00e9mu opotrebovaniu profilu zubov ozuben\u00fdch kolies triedy 5 pod\u013ea normy DIN. S opotrebovan\u00edm profilov zubov sa v\u00f4\u013ea zvy\u0161uje z dodanej hodnoty (0,5 a\u017e 1,0 obl\u00fakov\u00fdch min\u00fat) smerom k prahu v\u00fdmeny (2 a\u017e 3 obl\u00fakov\u00e9 min\u00faty). Ke\u010f v\u00f4\u013ea prekro\u010d\u00ed rozpo\u010dtov\u00fa hodnotu chyby nasmerovania ant\u00e9ny, rozl\u00ed\u0161enie radaru sa zhor\u0161\u00ed \u2013 ciele, ktor\u00e9 boli predt\u00fdm oddelite\u013en\u00e9, sa zl\u00fa\u010dia do jedn\u00e9ho odrazu a riadiaci letovej prev\u00e1dzky str\u00e1ca situa\u010dn\u00e9 preh\u013ead. Rast v\u00f4le je postupn\u00fd a bez pravideln\u00e9ho merania nezistite\u013en\u00fd.<\/p>\n

Prevencia: Merajte v\u00f4\u013eu pri ka\u017edej ro\u010dnej \u00fadr\u017ebe. Sledujte trend miery rastu v\u00f4le. Vyme\u0148te pastorok, ke\u010f trend predpoklad\u00e1, \u017ee v\u00f4\u013ea prekro\u010d\u00ed rozpo\u010det na nastavenie v r\u00e1mci nasleduj\u00faceho servisn\u00e9ho intervalu. Pre kritick\u00e9 radary pou\u017eite dvojpastorkov\u00e9 pohony proti v\u00f4li, ktor\u00e9 automaticky kompenzuj\u00fa opotrebenie.<\/div>\n<\/div>\n
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2<\/div>\n
Pre\u0165a\u017eenie n\u00e1razmi vetra prekro\u010dilo nosnos\u0165 pohonu po\u010das poruchy b\u00farkov\u00e9ho \u00falo\u017en\u00e9ho priestoru<\/div>\n<\/div>\n

Ve\u013ek\u00e9 radarov\u00e9 paraboly (6 a\u017e 15 metrov) s\u00fa \u00fa\u010dinn\u00fdmi lapa\u010dmi vetra \u2013 12-metrov\u00e1 parabolick\u00e1 parabola v b\u00farkovom vetre s r\u00fdchlos\u0165ou 150 km\/h za\u017e\u00edva odporov\u00fa silu 80 000 a\u017e 150 000 N, ktor\u00e1 vytv\u00e1ra prevr\u00e1tiace momenty 200 a\u017e 500 kN\u00b7m na oto\u010dnom lo\u017eisku. Be\u017en\u00fdm postupom je ant\u00e9nu zlo\u017ei\u0165 (oto\u010di\u0165 parabolu \u010delom k vetru a zablokova\u0165 brzdy) pred pr\u00edchodom b\u00farky. Ak b\u00farka pr\u00edde neo\u010dak\u00e1vane alebo mechanizmus zlyh\u00e1, oto\u010dn\u00fd pohon mus\u00ed udr\u017ea\u0165 parabolu v jej aktu\u00e1lnej polohe proti pln\u00e9mu za\u0165a\u017eeniu vetrom. Ak to neudr\u017e\u00ed, parabola sa nekontrolovane ot\u00e1\u010da a vietor ju zachyt\u00ed do strany \u2013 \u010d\u00edm sa vytvoria sily, ktor\u00e9 m\u00f4\u017eu ohn\u00fa\u0165 podstavec alebo parabolu vytrhn\u00fa\u0165 z dr\u017eiaka.<\/p>\n

Prevencia: \u0160pecifikujte plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom<\/a> Kr\u00fatiaci moment proti zastaveniu vetra pri r\u00fdchlosti vetra potrebnej na pre\u017eitie (zvy\u010dajne 200 km\/h pre trval\u00e9 in\u0161tal\u00e1cie). Zave\u010fte automatick\u00e9 zastavenie vetra pri r\u00fdchlosti vetra 80 a\u017e 100 km\/h. Mechanizmus zastavenia otestujte pri ka\u017edej mesa\u010dnej \u00fadr\u017ebe.<\/div>\n<\/div>\n
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3<\/div>\n
Elektromagnetick\u00e9 ru\u0161enie z motora alebo elektroniky pohonu, ktor\u00e9 ru\u0161\u00ed radarov\u00fd sign\u00e1l<\/div>\n<\/div>\n

Zhor\u0161en\u00e1 kefka motora, uvo\u013enen\u00e9 zakon\u010denie tienenia alebo porucha filtra VFD m\u00f4\u017eu do odozvy bo\u010dn\u00fdch lalokov ant\u00e9ny vn\u00e1\u0161a\u0165 \u0161irokop\u00e1smov\u00fd \u0161um. Tento \u0161um sa na radarovom displeji jav\u00ed ako falo\u0161n\u00e9 ciele \u2013 stacion\u00e1rne ru\u0161enie, ktor\u00e9 maskuje skuto\u010dn\u00e9 ciele. Ke\u010f\u017ee zdroj \u0161umu sa ot\u00e1\u010da spolu s ant\u00e9nou, jav\u00ed sa ako konzistentn\u00fd odraz v pevnej vzdialenosti \u2013 \u010do s\u0165a\u017euje jeho rozl\u00ed\u0161enie od skuto\u010dn\u00e9ho cie\u013ea v rovnakej polohe. Oper\u00e1tori nemusia rozpozna\u0165 falo\u0161n\u00fd odraz ako ru\u0161enie generovan\u00e9 meni\u010dom, k\u00fdm sa nevykon\u00e1 systematick\u00fd prieskum EMC.<\/p>\n

Prevencia: Pou\u017e\u00edvajte v\u00fdlu\u010dne bezkart\u00e1\u010dov\u00e9 motory. Pri uveden\u00ed do prev\u00e1dzky a po akejko\u013evek v\u00fdmene elektroniky motora alebo pohonu overte zhodu s predpismi o elektromagnetickej kompatibilite. Tienen\u00fd k\u00e1bel a filtrovan\u00fd zdroj nap\u00e1jania musia by\u0165 povinn\u00e9 \u2013 nie volite\u013en\u00e9 pr\u00edslu\u0161enstvo.<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\"Plan\u00e9tov\u00e1
\n\"V\u00fdrobn\u00fd<\/p>\n
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Hore: Oto\u010dn\u00fd pohon s\u00e9rie ZR \u2013 viacstup\u0148ov\u00fd presn\u00fd plan\u00e9tov\u00fd pohon na polohovanie ant\u00e9ny. Dole: V\u00fdrobn\u00fd z\u00e1vod spolo\u010dnosti Korea Ever-Power s presn\u00fdmi v\u00fdrobn\u00fdmi linkami na pohony radarovej kvality.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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Plan\u00e9tov\u00e1 prevodovka s oto\u010dn\u00fdm pohonom pre radarov\u00e9 ant\u00e9ny \u2013 \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
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Ak\u00e1 v\u00f4\u013ea je prijate\u013en\u00e1 pre oto\u010dn\u00fd pohon radarovej ant\u00e9ny?<\/h3>\n

Z\u00e1le\u017e\u00ed to od typu ant\u00e9ny. Satelitn\u00e9 pozemn\u00e9 stanice vy\u017eaduj\u00fa celkov\u00fa syst\u00e9mov\u00fa v\u00f4\u013eu menej ako 1 uhlov\u00fa min\u00fatu (pr\u00edspevok oto\u010dn\u00e9ho pohonu men\u0161\u00ed ako 0,5 uhlovej min\u00faty). Letiskov\u00e9 doh\u013eadov\u00e9 radary vy\u017eaduj\u00fa 1 a\u017e 3 uhlov\u00e9 min\u00faty. Meteorologick\u00e9 radary toleruj\u00fa 2 a\u017e 5 uhlov\u00fdch min\u00fat. Vojensk\u00e9 sledovacie radary vy\u017eaduj\u00fa menej ako 0,3 uhlovej min\u00faty \u2013 zvy\u010dajne sa to dosahuje pomocou dvojpastorkov\u00fdch konfigur\u00e1ci\u00ed s ochranou proti v\u00f4li. Pre porovnanie, oto\u010dn\u00e9 pohony stavebn\u00fdch \u017eeriavov maj\u00fa zvy\u010dajne v\u00f4\u013eu 10 a\u017e 15 uhlov\u00fdch min\u00fat \u2013 10 a\u017e 50-kr\u00e1t viac ako pohon radarovej ant\u00e9ny.<\/p>\n<\/div>\n

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Ko\u013eko ot\u00e1\u010dok vykon\u00e1 oto\u010dn\u00fd pohon letiskov\u00e9ho radaru po\u010das svojej \u017eivotnosti?<\/h3>\n

Pri nepretr\u017eitom prev\u00e1dzke 12 a\u017e 15 ot.\/min., 24 hod\u00edn denne, 365 dn\u00ed v roku, po\u010das 20 rokov: pribli\u017ene 126 a\u017e 158 mili\u00f3nov ot\u00e1\u010dok. Toto je najvy\u0161\u0161\u00ed po\u010det ot\u00e1\u010dok spomedzi v\u0161etk\u00fdch aplik\u00e1ci\u00ed oto\u010dn\u00e9ho pohonu \u2013 s faktorom 1 000 alebo viac v porovnan\u00ed s kon\u0161truk\u010dn\u00fdmi alebo energetick\u00fdmi pohonmi. Ozubenie ozuben\u00fdch kolies, lo\u017eisk\u00e1 a tesnenia musia by\u0165 \u0161pecifikovan\u00e9 pre tento extr\u00e9mny pracovn\u00fd cyklus. \u0160tandardn\u00e9 oto\u010dn\u00e9 pohony kon\u0161truk\u010dnej triedy s\u00fa navrhnut\u00e9 na 1 a\u017e 10 mili\u00f3nov ot\u00e1\u010dok \u2013 zlyhali by do 1 a\u017e 2 rokov prev\u00e1dzky letiskov\u00e9ho radaru.<\/p>\n<\/div>\n

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Ak\u00e1 je typick\u00e1 \u017eivotnos\u0165 oto\u010dn\u00e9ho pohonu radarovej ant\u00e9ny?<\/h3>\n

15 a\u017e 20 rokov pre plan\u00e9tov\u00fa prevodovku na radaroch s kontinu\u00e1lnou rot\u00e1ciou (letisko, po\u010dasie). 20 a\u017e 30 rokov pre pohony satelitn\u00fdch pozemn\u00fdch stan\u00edc (ktor\u00e9 sa ot\u00e1\u010daj\u00fa ve\u013emi pomaly). Interval v\u00fdmeny oleja je typicky 4 000 a\u017e 8 000 hod\u00edn pre pohony s kontinu\u00e1lnou rot\u00e1ciou (syntetick\u00fd olej PAO) a 8 000 a\u017e 16 000 hod\u00edn pre pohony s pomalou rot\u00e1ciou. Pastorok m\u00f4\u017ee vy\u017eadova\u0165 v\u00fdmenu po 8 a\u017e 12 rokoch pri pohonoch s kontinu\u00e1lnou rot\u00e1ciou \u2013 z\u00e1ber ozuben\u00e9ho kolesa na rozhran\u00ed pastorka a kr\u00fa\u017eku sa opotrebov\u00e1va r\u00fdchlej\u0161ie ako uzavret\u00e9 plan\u00e9tov\u00e9 stupne.<\/p>\n<\/div>\n

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M\u00f4\u017ee sa oto\u010dn\u00fd pohon sol\u00e1rneho sledova\u010da pou\u017ei\u0165 pre radarov\u00fa ant\u00e9nu?<\/h3>\n

Len pre aplik\u00e1cie s ve\u013emi n\u00edzkou presnos\u0165ou (ant\u00e9ny na monitorovanie po\u010dasia s po\u017eiadavkami na nasmerovanie nad 1 stupe\u0148). Pohony sol\u00e1rnych sledova\u010dov s\u00fa navrhnut\u00e9 pre samosvorn\u00e9 stupne z\u00e1vitovkov\u00fdch prevodov s \u00fa\u010dinnos\u0165ou 40 a\u017e 651 TP3T \u2013 prijate\u013en\u00e9 pre sledovanie slnka raz denne, ale pr\u00edli\u0161 stratov\u00e9 pre radarov\u00fa prev\u00e1dzku s kontinu\u00e1lnou rot\u00e1ciou. Sol\u00e1rne pohony maj\u00fa tie\u017e \u0161pecifik\u00e1cie v\u00f4le 5 a\u017e 15 obl\u00fakov\u00fdch min\u00fat \u2013 5 a\u017e 50-kr\u00e1t vy\u0161\u0161ie ako po\u017eiadavky radaru. Pre radarov\u00e9 aplik\u00e1cie nad z\u00e1kladnou \u00farov\u0148ou monitorovania po\u010dasia s\u00fa nevyhnutn\u00e9 \u00fa\u010delovo navrhnut\u00e9 pohony oto\u010denia ant\u00e9n s presn\u00fdmi plan\u00e9tov\u00fdmi stup\u0148ami a opatreniami proti v\u00f4li.<\/p>\n<\/div>\n

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Dod\u00e1va spolo\u010dnos\u0165 Korea Ever-Power presn\u00e9 oto\u010dn\u00e9 pohony pre radarov\u00e9 a ant\u00e9nne aplik\u00e1cie?<\/h3>\n

\u00c1no. Spolo\u010dnos\u0165 Korea Ever-Power vyr\u00e1ba plan\u00e9tov\u00e9 prevodovky s oto\u010dn\u00fdm pohonom pre polohovanie radarov\u00fdch a satelitn\u00fdch ant\u00e9n so \u0161pecifik\u00e1ciami v\u00f4le od menej ako 0,5 uhlov\u00fdch min\u00fat (presnos\u0165 s jedn\u00fdm pastorkom) do menej ako 0,2 uhlov\u00fdch min\u00fat (dvojpastorkov\u00e1 prevodovka bez v\u00f4le). K dispoz\u00edcii s\u00fa pozemn\u00e9 prevody triedy DIN 4 a\u017e 5, syntetick\u00e9 mazanie PAO, mont\u00e1\u017ene opatrenia pre vysokorozli\u0161ovacie sn\u00edma\u010de a tienen\u00e9 kryty v s\u00falade s normami EMC. K dispoz\u00edcii s\u00fa modely s kontinu\u00e1lnou rot\u00e1ciou pre letiskov\u00e9 a meteorologick\u00e9 radary (do 20 ot.\/min.) a modely s presn\u00fdm sledovan\u00edm pre satelitn\u00e9 pozemn\u00e9 stanice (hviezdny smer do 5 stup\u0148ov\/s). Uve\u010fte priemer ant\u00e9ny, po\u017eiadavky na presnos\u0165 nasmerovania, r\u00fdchlos\u0165 ot\u00e1\u010dania a pracovn\u00fd cyklus pre \u0161pecifik\u00e1ciu zodpovedaj\u00facu v\u00fdkonnostn\u00fdm po\u017eiadavk\u00e1m radarov\u00e9ho syst\u00e9mu.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Pohony oto\u010denia radarovej ant\u00e9ny \u2013 presnos\u0165 v milistup\u0148ovom meradle, odolnos\u0165 v mili\u00f3noch ot\u00e1\u010dok<\/div>\n

Spolo\u010dnos\u0165 Korea Ever-Power dod\u00e1va plan\u00e9tov\u00e9 prevodovky s oto\u010dn\u00fdm pohonom radarov\u00fdch ant\u00e9n s v\u00f4\u013eou v submin\u00fatovej obl\u00fakovej min\u00fate, mo\u017enos\u0165ou kontinu\u00e1lneho ot\u00e1\u010dania a krytmi vyhovuj\u00facimi norm\u00e1m EMC. Pre presn\u00fa \u0161pecifik\u00e1ciu uve\u010fte typ ant\u00e9ny a jej po\u017eiadavky na nasmerovanie.<\/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 Radar and Antenna Systems Slewing Drive Planetary Gearbox for Radar Antennas \u2014 0.02 Degrees of Pointing Accuracy, 24 Hours a Day, for 20 Years Every other slewing drive in this series measures precision in degrees. Radar antenna slewing drives measure precision in millidegrees \u2014 0.01 to 0.1 degrees \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-1095","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\/1095","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=1095"}],"version-history":[{"count":2,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts\/1095\/revisions"}],"predecessor-version":[{"id":1098,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts\/1095\/revisions\/1098"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/media?parent=1095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/categories?post=1095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/tags?post=1095"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}