{"id":1393,"date":"2026-06-26T06:33:10","date_gmt":"2026-06-26T06:33:10","guid":{"rendered":"https:\/\/worm-and-worm-wheel.com\/?p=1393"},"modified":"2026-06-26T06:33:10","modified_gmt":"2026-06-26T06:33:10","slug":"worm-and-worm-wheel-for-automatic-gate-operators-outdoor-guide","status":"publish","type":"post","link":"https:\/\/worm-and-worm-wheel.com\/cs\/worm-and-worm-wheel-for-automatic-gate-operators-outdoor-guide\/","title":{"rendered":"\u0160nek a \u0161nekov\u00e9 kolo pro automatick\u00e9 pohony bran \u2013 Pr\u016fvodce venkovn\u00edmi prvky"},"content":{"rendered":"
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Korea Ever-Power \u00b7 Pr\u016fvodce aplika\u010dn\u00edm in\u017een\u00fdrstv\u00edm<\/p>\n

\u0160nek a \u0161nekov\u00e9 kolo pro automatick\u00e9 pohony bran \u2013 Pr\u016fvodce venkovn\u00edmi prvky<\/h1>\n

Pohon posuvn\u00e9 br\u00e1ny stoj\u00ed venku \u2013 vystaven de\u0161ti, slunci, mrazu, slan\u00e9mu vzduchu a prachu \u2013 10 a\u017e 15 let. Denn\u011b se otev\u00edr\u00e1 a zav\u00edr\u00e1 10 a\u017e 200kr\u00e1t, zastavuje se p\u0159i n\u00e1razu na p\u0159ek\u00e1\u017eky z bezpe\u010dnostn\u00edch d\u016fvod\u016f a celou noc dr\u017e\u00ed ocelovou br\u00e1nu o hmotnosti 1 200 kg v zav\u0159en\u00e9 poloze proti poryv\u016fm v\u011btru. V\u0161echny tyto po\u017eadavky klade \u0161nekov\u00fd p\u0159evod uvnit\u0159 sk\u0159\u00edn\u011b pohonu.<\/p>\n

Promluvte si s technikem pohonu br\u00e1ny \u2192<\/a><\/p>\n<\/div>\n

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Rychl\u00e1 odpov\u011b\u010f<\/div>\n

Pohony bran pou\u017e\u00edvaj\u00ed \u0161nekov\u00e9 p\u0159evody ze t\u0159\u00ed d\u016fvod\u016f: samosvorn\u00e9 mechanismy dr\u017e\u00ed br\u00e1nu v poloze, kdy\u017e se motor zastav\u00ed (nen\u00ed pot\u0159eba samostatn\u00fd zamykac\u00ed mechanismus), uspo\u0159\u00e1d\u00e1n\u00ed motoru k v\u00fdstupu v 90stup\u0148ov\u00e9m \u00fahlu se vejde do kompaktn\u00edch kryt\u016f sloupk\u016f bran a vysok\u00fd p\u0159evodov\u00fd pom\u011br v jednom stupni poh\u00e1n\u00ed t\u011b\u017ek\u00e9 br\u00e1ny n\u00edzkou rychlost\u00ed z mal\u00fdch motor\u016f. Dominantn\u00ed v\u00fdzvou specifikac\u00ed je vystaven\u00ed venkovn\u00edmu prost\u0159ed\u00ed \u2013 teplotn\u00ed cykly od -20 do +55 stup\u0148\u016f Celsia, vniknut\u00ed de\u0161t\u011b, UV degradace t\u011bsn\u011bn\u00ed a koroze zp\u016fsoben\u00e1 slan\u00fdm vzduchem nebo pr\u016fmyslovou atmosf\u00e9rou. Matice venkovn\u00edho prost\u0159ed\u00ed klasifikuje instalace bran do 4 kategori\u00ed prost\u0159ed\u00ed a ka\u017edou mapuje na po\u017eadovan\u00e9 kryt\u00ed IP, protikorozn\u00ed \u00fapravu, typ t\u011bsn\u011bn\u00ed a specifikaci maziva. Pohony bran pro reziden\u010dn\u00ed pou\u017eit\u00ed (10 a\u017e 20 cykl\u016f denn\u011b) c\u00edl\u00ed na 10letou \u017eivotnost p\u0159i celkov\u00e9m po\u010dtu p\u0159ibli\u017en\u011b 50 000 a\u017e 75 000 cykl\u016f. Pr\u016fmyslov\u00e9 pohony (100 a\u017e 200 cykl\u016f denn\u011b) c\u00edl\u00ed na 5letou \u017eivotnost p\u0159i celkov\u00e9m po\u010dtu 150 000 a\u017e 350 000 cykl\u016f. Norma EN 12453 (bezpe\u010dnost mechanicky ovl\u00e1dan\u00fdch vrat) na\u0159izuje omezen\u00ed momentu p\u0159i zablokov\u00e1n\u00ed, aby se zabr\u00e1nilo zran\u011bn\u00ed zp\u016fsoben\u00e9mu zachycen\u00edm \u2013 \u0161nekov\u00e9 p\u0159evodovky mus\u00ed p\u0159e\u017e\u00edt opakovan\u00e9 zablokov\u00e1n\u00ed bez po\u0161kozen\u00ed zub\u016f.<\/p>\n<\/div>\n

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Pro\u010d pohony bran pou\u017e\u00edvaj\u00ed \u0161nekov\u00e9 p\u0159evody<\/h2>\n

Automatick\u00e9 pohony bran \u2013 posuvn\u00e9, oto\u010dn\u00e9 a rolovac\u00ed \u2013 sd\u00edlej\u00ed spole\u010dn\u00fd mechanick\u00fd po\u017eadavek: motor poh\u00e1n\u00ed br\u00e1nu do po\u017eadovan\u00e9 polohy, pot\u00e9 se motor zastav\u00ed a br\u00e1na mus\u00ed v n\u00ed z\u016fstat. Zat\u00ed\u017een\u00ed v\u011btrem, gravitace na \u0161ikm\u00fdch kolejnic\u00edch a pokus o n\u00e1siln\u00e9 vniknut\u00ed tla\u010d\u00ed na br\u00e1nu, kdy\u017e je motor vypnut\u00fd. \u0160nekov\u00fd p\u0159evod dr\u017e\u00ed br\u00e1nu v poloze geometrick\u00fdm samosvorem bez samostatn\u00e9ho z\u00e1mku, z\u00e1padky nebo brzdov\u00e9ho mechanismu.<\/p>\n

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Dr\u017een\u00ed pozice<\/div>\n

Samosvorn\u00fd \u0161nekov\u00fd p\u0159evod dr\u017e\u00ed br\u00e1nu v jak\u00e9koli poloze \u2013 pln\u011b otev\u0159enou, pln\u011b zav\u0159enou nebo \u010d\u00e1ste\u010dn\u011b otev\u0159enou. Nen\u00ed pot\u0159eba \u017e\u00e1dn\u00e1 z\u00e1padka, elektromagnetick\u00fd z\u00e1mek ani vratn\u00e1 pru\u017eina. Zjednodu\u0161uje mechanismus pohonu na motor, \u0161nekov\u00fd p\u0159evod a v\u00fdstupn\u00ed pastorek nebo rameno.<\/p>\n<\/div>\n

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Kompaktn\u00ed mont\u00e1\u017e na sloupek<\/div>\n

Motor se montuje kolmo k vodic\u00ed dr\u00e1ze br\u00e1ny uvnit\u0159 sloupku nebo podstavce. Typick\u00e1 sk\u0159\u00ed\u0148 pohonu pro reziden\u010dn\u00ed \u00fa\u010dely: 250 \u00d7 180 \u00d7 380 mm. 90stup\u0148ov\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed \u0161neku odpov\u00edd\u00e1 tomuto rozm\u011bru; \u0159adov\u00fd planetov\u00fd p\u0159evod by prodlou\u017eil hloubku sk\u0159\u00edn\u011b nad \u0161\u00ed\u0159ku sloupku.<\/p>\n<\/div>\n

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Vysok\u00fd to\u010div\u00fd moment z mal\u00fdch motor\u016f<\/div>\n

Posuvn\u00e1 br\u00e1na o hmotnosti 1 500 kg vy\u017eaduje na ozuben\u00e9 ty\u010di zhruba 150 a\u017e 250 N\u00b7m to\u010div\u00e9ho momentu. \u0160nekov\u00e9 p\u0159evodovky s p\u0159evodov\u00fdm pom\u011brem 30:1 tento to\u010div\u00fd moment zaji\u0161\u0165uj\u00ed 250W motory s to\u010div\u00fdm momentem 8 N\u00b7m \u2013 motory dostate\u010dn\u011b mal\u00e9 pro provoz s jednof\u00e1zov\u00fdm dom\u00e1c\u00edm nap\u011bt\u00edm 220 V.<\/p>\n<\/div>\n<\/div>\n

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Matice expozice venkovn\u00edho prost\u0159ed\u00ed \u2013 od m\u00edsta instalace a\u017e po specifikaci materi\u00e1lu<\/h2>\n
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Nejv\u011bt\u0161\u00ed specifika\u010dn\u00ed prom\u011bnnou pro p\u00e1ry \u0161nekov\u00fdch p\u0159evod\u016f pohon\u016f vrat je venkovn\u00ed prost\u0159ed\u00ed. Obytn\u00e1 br\u00e1na v m\u00edrn\u00e9m vnitrozemsk\u00e9m m\u011bst\u011b je vystavena m\u00edrn\u00e9mu nam\u00e1h\u00e1n\u00ed. Pr\u016fmyslov\u00e1 br\u00e1na v pob\u0159e\u017en\u00edm chemick\u00e9m z\u00e1vod\u011b je vystavena extr\u00e9mn\u00edmu nam\u00e1h\u00e1n\u00ed. Rozd\u00edl mezi t\u011bmito dv\u011bma extr\u00e9my se prom\u00edt\u00e1 do 3 a\u017e 5n\u00e1sobn\u00e9ho rozd\u00edlu v n\u00e1kladech na materi\u00e1l p\u00e1ru \u0161nekov\u00fdch p\u0159evod\u016f a specifikaci t\u011bsn\u011bn\u00ed.<\/p>\n

N\u00ed\u017ee uveden\u00e1 matice expozice klasifikuje instalace do \u010dty\u0159 kategori\u00ed a ka\u017edou z nich mapuje podle po\u017eadavk\u016f na IP, korozi, teplotu a mazivo pro \u0161nekov\u00fd p\u0159evod.<\/p>\n<\/div>\n

\"materi\u00e1ly<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n\n
T\u0159\u00edda expozice<\/th>\nTypick\u00e9 m\u00edsto<\/th>\nKryt\u00ed IP<\/th>\nT\u0159\u00edda koroze<\/th>\nL\u00e9\u010dba od \u010derv\u016f<\/th>\nDruh maziva<\/th>\nTeplotn\u00ed rozsah<\/th>\n<\/tr>\n<\/thead>\n
E1 \u2013 Chr\u00e1n\u011bn\u00e9 vnitrozem\u00ed<\/td>\nKryt\u00fd p\u0159\u00edst\u0159e\u0161ek pro auta pro obytn\u00e9 budovy<\/td>\nIP44<\/td>\nC2<\/td>\n\u010cern\u00fd oxid \/ fosf\u00e1t<\/td>\nLithium EP NLGI 2<\/td>\n\u221210 a\u017e +45 \u00b0C<\/td>\n<\/tr>\n
E2 \u2013 Otev\u0159en\u00e9 vnitrozem\u00ed<\/td>\nTov\u00e1rna, \u0161kola, parkovi\u0161t\u011b<\/td>\nIP55<\/td>\nC3<\/td>\nZinkov\u00fd plech (8\u201312 \u00b5m)<\/td>\nLithiov\u00fd komplex EP NLGI 2<\/td>\n\u221220 a\u017e +50 \u00b0C<\/td>\n<\/tr>\n
E3 \u2013 Pob\u0159e\u017en\u00ed<\/td>\nLetovisko, p\u0159\u00edstav, do 5 km od pob\u0159e\u017e\u00ed<\/td>\nIP55<\/td>\nC4-H<\/td>\n\u017d\u00e1rov\u00e9 zinkov\u00e1n\u00ed nebo nerezov\u00e1 ocel 304<\/td>\nSyntetick\u00fd PAG pro n\u00e1mo\u0159n\u00ed \u00fa\u010dely<\/td>\n\u221210 a\u017e +50 \u00b0C<\/td>\n<\/tr>\n
E4 \u2013 Pr\u016fmyslov\u00e9 \/ chemick\u00e9<\/td>\nChemick\u00fd z\u00e1vod, ocel\u00e1rna, \u010cOV<\/td>\nIP65<\/td>\nC5-I<\/td>\nNerezov\u00e1 ocel 316L<\/td>\nSyntetick\u00fd materi\u00e1l zahu\u0161t\u011bn\u00fd PTFE<\/td>\n\u221220 a\u017e +55 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

P\u0159echod z \u00farovn\u011b E1 na E4 zhruba ztrojn\u00e1sobuje cenu \u0161nekov\u00e9ho p\u0159evodu. Z reziden\u010dn\u00edho p\u00e1ru E1 za 35 USD se stane pr\u016fmyslov\u00fd p\u00e1r E4 za 95 a\u017e 120 USD. Rozd\u00edl v cen\u00e1ch je d\u00e1n p\u0159edev\u0161\u00edm povrchovou \u00fapravou \u0161neku (\u010dern\u00fd oxid za 2 USD oproti nerezov\u00e9 oceli 316L za v\u00edce ne\u017e 40 USD) a specifikac\u00ed t\u011bsn\u011bn\u00ed (standardn\u00ed pry\u017eov\u00fd b\u0159it za 3 USD oproti PTFE s labyrintem za 12 USD). Pohony bran instalovan\u00e9 v lokalit\u00e1ch E3 nebo E4 s p\u00e1ry \u0161nekov\u00fdch p\u0159evod\u016f t\u0159\u00eddy E1 vykazuj\u00ed b\u011bhem 12 a\u017e 24 m\u011bs\u00edc\u016f korozi zp\u016fsobenou d\u016flkovou koroz\u00ed \u2013 nej\u010dast\u011bj\u0161\u00edm zp\u016fsobem p\u0159ed\u010dasn\u00e9ho selh\u00e1n\u00ed u pob\u0159e\u017en\u00edch a pr\u016fmyslov\u00fdch instalac\u00ed bran.<\/p>\n

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Predikce \u017eivotnosti pro p\u0159eru\u0161ovan\u00fd provoz br\u00e1ny<\/h2>\n

\"mechanismus<\/p>\n

Pohony bran pracuj\u00ed v p\u0159eru\u0161ovan\u00e9m provozu \u2013 motor b\u011b\u017e\u00ed 15 a\u017e 45 sekund na cyklus (doba pohybu bran) a pot\u00e9 je n\u011bkolik minut a\u017e hodin v klidu. To se z\u00e1sadn\u011b li\u0161\u00ed od nep\u0159etr\u017eit\u00e9ho provozu eskal\u00e1tor\u016f nebo vysokocyklov\u00e9ho provozu t\u0159\u00eddic\u00edch linek. \u017divotnost \u0161nekov\u00e9ho p\u0159evodu se m\u011b\u0159\u00ed v celkov\u00e9m po\u010dtu cykl\u016f, nikoli v provozn\u00edch hodin\u00e1ch.<\/p>\n

Reziden\u010dn\u00ed br\u00e1na (10\u201320 cykl\u016f\/den).<\/strong> C\u00edlov\u00e1 10let\u00e1 \u017eivotnost = celkem 36 500 a\u017e 73 000 cykl\u016f. P\u0159i 30 sekund\u00e1ch na cyklus je celkov\u00e1 provozn\u00ed doba za 10 let: 300 a\u017e 600 hodin. To je trivi\u00e1ln\u011b n\u00edzk\u00e1 provozn\u00ed doba \u2013 \u0161nekov\u00e9 kolo se nikdy neopot\u0159ebuje pouze po dobu provozu. Omezuj\u00edc\u00edm faktorem \u017eivotnosti je zhor\u0161ov\u00e1n\u00ed \u017eivotn\u00edho prost\u0159ed\u00ed: vysych\u00e1n\u00ed maziva v d\u016fsledku teplotn\u00edch cykl\u016f, st\u00e1rnut\u00ed t\u011bsn\u011bn\u00ed v d\u016fsledku vystaven\u00ed UV z\u00e1\u0159en\u00ed a koroze v d\u016fsledku atmosf\u00e9rick\u00e9 vlhkosti. Spr\u00e1vn\u011b ut\u011bsn\u011bn\u00e9 a promazan\u00e9 \u0161nekov\u00e9 kolo v pohonu br\u00e1ny pro reziden\u010dn\u00ed objekty vydr\u017e\u00ed v\u00fdrazn\u011b d\u00e9le ne\u017e motor, \u0159\u00eddic\u00ed desku a kolejnici br\u00e1ny.<\/p>\n

Pr\u016fmyslov\u00e1 br\u00e1na (100\u2013200 cykl\u016f\/den).<\/strong> C\u00edlov\u00e1 5let\u00e1 \u017eivotnost = celkem 182 500 a\u017e 365 000 cykl\u016f. P\u0159i 30 sekund\u00e1ch na cyklus je celkov\u00e1 provozn\u00ed doba: 1 500 a\u017e 3 000 hodin. Na standardy \u0161nekov\u00fdch p\u0159evod\u016f je to st\u00e1le m\u00edrn\u00e9, ale \u0161pi\u010dky to\u010div\u00e9ho momentu p\u0159i rozb\u011bhu a zastaven\u00ed v ka\u017ed\u00e9m cyklu za\u010d\u00ednaj\u00ed v\u00e9st k m\u011b\u0159iteln\u00e9 \u00fanav\u011b. \u0160nekov\u00e9 p\u0159evody mus\u00ed m\u00edt pro multiplik\u00e1tor to\u010div\u00e9ho momentu p\u0159i rozb\u011bhu minim\u00e1ln\u00ed stupe\u0148 ochrany SF 1,5 (obvykle 1,8 a\u017e 2,2n\u00e1sobek provozn\u00edho to\u010div\u00e9ho momentu pro t\u011b\u017ekou posuvnou br\u00e1nu p\u0159ekon\u00e1vaj\u00edc\u00ed statick\u00e9 t\u0159en\u00ed na kolejnici). P\u0159i 200 cyklech za den je mazivo vystaveno tak\u00e9 vy\u0161\u0161\u00edmu smykov\u00e9mu zat\u00ed\u017een\u00ed \u2013 pro del\u0161\u00ed \u017eivotnost maziva p\u0159i tepeln\u00e9m a mechanick\u00e9m cyklov\u00e1n\u00ed pou\u017eijte syntetick\u00fd lithn\u00fd komplex nam\u00edsto standardn\u00edho lithia.<\/p>\n

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Pozn\u00e1mka k in\u017een\u00fdrsk\u00e9mu stolu<\/div>\n

Korejsk\u00fd pr\u016fmyslov\u00fd park instaloval na obvodov\u00fd plot 14 pohon\u016f posuvn\u00fdch bran. Specifikace byla t\u0159\u00eddy E2 (otev\u0159en\u00e9 ve vnitrozem\u00ed \u2013 spr\u00e1vn\u00e9 pro um\u00edst\u011bn\u00ed lokality 80 km od pob\u0159e\u017e\u00ed). Hmotnost br\u00e1ny: 1 200 kg ka\u017ed\u00e1. Motor: jednof\u00e1zov\u00fd 550 W. \u0160nekov\u00fd p\u0159evod: jednochod\u00fd, modul 2,5, rozte\u010d 50 mm, p\u0159evodov\u00fd pom\u011br 30:1, pozinkovan\u00fd \u0161nek, kolo z fosforov\u00e9ho bronzu. Ut\u011bsn\u011bn\u00e9 pouzdro IP55. Po\u010det cykl\u016f: 60 a\u017e 80 cykl\u016f za den (vjezd vozidel zam\u011bstnanc\u016f b\u011bhem 3 sm\u011bn). Instalace fungovala dob\u0159e po dobu 3 let. Ve 4. roce byl 200 metr\u016f proti v\u011btru od linie br\u00e1ny postaven nov\u00fd sklad chemik\u00e1li\u00ed. Za\u0159\u00edzen\u00ed manipulovalo s kyselinou chlorovod\u00edkovou a stopy atmosf\u00e9rick\u00e9ho HCl v koncentraci 0,3 a\u017e 0,8 ppm se k pohon\u016fm bran dostaly za p\u0159evl\u00e1daj\u00edc\u00edch v\u011btrn\u00fdch podm\u00ednek. B\u011bhem 8 m\u011bs\u00edc\u016f vykazovalo 6 ze 14 pohon\u016f zv\u00fd\u0161en\u00fd proud motoru \u2013 u \u0161nekov\u00fdch p\u0159evod\u016f se na z\u00e1vitech \u0161neku vyvinula kysel\u00e1 koroze, co\u017e zv\u00fd\u0161ilo t\u0159en\u00ed a v\u016fli. Zinkov\u00fd povlak (ur\u010den\u00fd pro atmosf\u00e9rickou korozi t\u0159\u00eddy C3, nikoli pro chemickou korozi) se v kysel\u00e9 atmosf\u00e9\u0159e rozpustil. Specifikace n\u00e1hrady pro 6 dot\u010den\u00fdch jednotek: t\u0159\u00edda E4 \u2013 \u0161nek z nerezov\u00e9 oceli 316L, b\u0159itov\u00e1 t\u011bsn\u011bn\u00ed z PTFE, syntetick\u00e9 mazivo. Cena za p\u00e1r se zv\u00fd\u0161ila ze 45 USD na 110 USD \u2013 alternativou v\u0161ak byla v\u00fdm\u011bna p\u00e1r\u016f ka\u017ed\u00fdch 8 a\u017e 12 m\u011bs\u00edc\u016f p\u0159i specifikaci E2. Pou\u010den\u00ed: t\u0159\u00eddu expozice je nutn\u00e9 p\u0159ehodnotit v\u017edy, kdy\u017e se zm\u011bn\u00ed okoln\u00ed prost\u0159ed\u00ed. Lokalita E2 se m\u016f\u017ee p\u0159es noc st\u00e1t lokalitou E4, pokud se do jej\u00ed bl\u00edzkosti p\u0159esune chemick\u00fd provoz.<\/p>\n<\/div>\n

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Chov\u00e1n\u00ed plastick\u00e9ho maziva p\u0159i studen\u00e9m startu a shoda s to\u010div\u00fdm momentem p\u0159i zastaven\u00ed podle normy EN 12453<\/h2>\n

\"anal\u00fdza<\/p>\n

\u0160pi\u010dkov\u00fd n\u00e1r\u016fst to\u010div\u00e9ho momentu p\u0159i studen\u00e9m startu.<\/strong> Standardn\u00ed lithiov\u00e9 mazivo (NLGI 2) v\u00fdrazn\u011b houstne pod 0 stup\u0148\u016f Celsia. P\u0159i teplot\u011b -15 stup\u0148\u016f Celsia (typick\u00e9 korejsk\u00e9 zimn\u00ed r\u00e1no) se zd\u00e1nliv\u00e1 viskozita lithiov\u00e9ho maziva na miner\u00e1ln\u00ed b\u00e1zi zvy\u0161uje 5 a\u017e 8kr\u00e1t ve srovn\u00e1n\u00ed s 20 stupni Celsia. Studen\u00e9 mazivo odol\u00e1v\u00e1 ot\u00e1\u010den\u00ed \u0161neku a motor mus\u00ed p\u0159i spu\u0161t\u011bn\u00ed p\u0159ekon\u00e1vat jak t\u0159en\u00ed v kolejnic\u00edch vrat, tak odpor maziva. Pokud se motor zastav\u00ed proti studen\u00e9mu mazivu, vrata se neotev\u0159ou \u2013 co\u017e p\u0159edstavuje selh\u00e1n\u00ed spolehlivosti, i kdy\u017e nen\u00ed po\u0161kozena \u017e\u00e1dn\u00e1 sou\u010d\u00e1stka. \u0158e\u0161en\u00edm je pou\u017eit\u00ed syntetick\u00e9ho maziva (na b\u00e1zi PAG nebo PAO) pro jakoukoli instalaci, kde zimn\u00ed teploty klesaj\u00ed pod -10 stup\u0148\u016f Celsia. Syntetick\u00e9 mazivo udr\u017euje \u010derpatelnost do -30 stup\u0148\u016f Celsia nebo ni\u017e\u0161\u00edch, co\u017e zaji\u0161\u0165uje spolehlivost studen\u00e9ho startu.<\/p>\n

Shoda s to\u010div\u00fdm momentem p\u0159i zastaven\u00ed s normou EN 12453.<\/strong> Norma EN 12453 (bezpe\u010dnost motoricky ovl\u00e1dan\u00fdch bran) vy\u017eaduje, aby pohony bran omezily zav\u00edrac\u00ed s\u00edlu, aby se zabr\u00e1nilo zran\u011bn\u00ed v d\u016fsledku zachycen\u00ed \u2013 u reziden\u010dn\u00edch bran je to obvykle maxim\u00e1ln\u011b 400 N na n\u00e1b\u011b\u017en\u00e9 hran\u011b. Kdy\u017e br\u00e1na naraz\u00ed na p\u0159ek\u00e1\u017eku (osobu, vozidlo, p\u0159edm\u011bt), motor se zastav\u00ed a \u0161nekov\u00fd p\u0159evod p\u0159en\u00e1\u0161\u00ed pln\u00fd to\u010div\u00fd moment p\u0159i zastaven\u00ed. To\u010div\u00fd moment p\u0159i zastaven\u00ed je obvykle 2,5 a\u017e 3,5n\u00e1sobek provozn\u00edho to\u010div\u00e9ho momentu. \u0160nekov\u00fd p\u0159evod mus\u00ed p\u0159e\u017e\u00edt opakovan\u00e9 zastaven\u00ed (u ru\u0161n\u00fdch pr\u016fmyslov\u00fdch bran, kde vozidla aktivuj\u00ed bezpe\u010dnostn\u00ed senzor, je b\u011b\u017en\u00fdch a\u017e 5 za den) bez po\u0161kozen\u00ed povrchu zub\u016f. Tento po\u017eadavek na p\u0159e\u017eit\u00ed p\u0159i zastaven\u00ed stanov\u00ed minim\u00e1ln\u00ed kontaktn\u00ed plochu zub\u016f a tvrdost materi\u00e1lu \u2013 p\u0159evod mus\u00ed b\u00fdt dimenzov\u00e1n na to\u010div\u00fd moment p\u0159i zastaven\u00ed, nikoli pouze na provozn\u00ed to\u010div\u00fd moment, vyn\u00e1soben\u00fd provozn\u00edm faktorem opakov\u00e1n\u00ed zastaven\u00ed 1,3 a\u017e 1,5.<\/p>\n

<\/p>\n

Specifikace p\u00e1r\u016f \u0161nekov\u00fdch p\u0159evod\u016f pro pohon t\u0159\u00ed bran<\/h2>\n

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

P\u0159\u00edpad 1 \u2013 Korejsk\u00fd pr\u016fmyslov\u00fd park: Posuvn\u00e1 br\u00e1na o hmotnosti 1 200 kg, t\u0159\u00edda E2, 80 cykl\u016f\/den<\/h3>\n

Korejsk\u00e1 spole\u010dnost spravuj\u00edc\u00ed pr\u016fmyslov\u00fd park specifikovala p\u00e1ry \u0161nekov\u00fdch p\u0159evod\u016f pro 14 posuvn\u00fdch bran po obvodu s hmotnost\u00ed br\u00e1ny 1 200 kg ka\u017ed\u00e1. D\u00e9lka kolejnice: 6 metr\u016f. Rychlost pojezdu: 0,15 m\/s (40 sekund od otev\u0159en\u00ed do zav\u0159en\u00ed). Motor: 550 W jednof\u00e1zov\u00fd 220 V. Pr\u016fm\u011br ozuben\u00e9ho kola: 60 mm. Po\u017eadovan\u00fd v\u00fdstupn\u00ed to\u010div\u00fd moment na pastorku: 180 N\u00b7m (v\u010detn\u011b t\u0159en\u00ed kolejnice, zat\u00ed\u017een\u00ed v\u011btrem a hmotnosti br\u00e1ny na \u0161ikm\u00e9m \u00faseku kolejnice). P\u00e1r \u0161nekov\u00fdch p\u0159evod\u016f: jednochod\u00fd, modul 2,5, rozte\u010d 50 mm, p\u0159evodov\u00fd pom\u011br 30:1, \u00fahel stoup\u00e1n\u00ed 3,8 stup\u0148\u016f. \u00da\u010dinnost chodu: 52 procent. Zastavovac\u00ed moment p\u0159i zablokovan\u00e9m rotoru motoru: 3n\u00e1sobek chodu = 540 N\u00b7m \u2013 v r\u00e1mci jmenovit\u00e9ho to\u010div\u00e9ho momentu p\u00e1ru 620 N\u00b7m. Materi\u00e1l: pozinkovan\u00fd kalen\u00fd \u0161nek, kolo z fosforov\u00e9ho bronzu. T\u011bsn\u011bn\u00ed: dvojit\u00fd b\u0159it, IP55. Mazivo: syntetick\u00fd lithn\u00fd komplex (korejsk\u00e9 zimn\u00ed minimum na tomto m\u00edst\u011b minus 18 stup\u0148\u016f Celsia). Cena za p\u00e1r: 45 USD. C\u00edlov\u00e1 \u017eivotnost: 5 let p\u0159i 80 cyklech\/den = 146 000 cykl\u016f. Dosa\u017eeno: 3,5 roku p\u0159edt\u00edm, ne\u017e zm\u011bna prost\u0159ed\u00ed (vystaven\u00ed kyselin\u00e1m) vy\u017eadovala upgrade na E4 \u2013 viz v\u00fd\u0161e uveden\u00e1 pozn\u00e1mka od technick\u00e9ho odd\u011blen\u00ed.<\/p>\n

P\u0159\u00edpad 2 \u2013 Japonsk\u00e9 p\u0159\u00edmo\u0159sk\u00e9 letovisko: oto\u010dn\u00e1 br\u00e1na o hmotnosti 800 kg, n\u00e1mo\u0159n\u00ed E3, 15 cykl\u016f\/den<\/h3>\n

Japonsk\u00fd hotelov\u00fd resort na pob\u0159e\u017e\u00ed Okinawy specifikoval dvojice \u0161nekov\u00fdch p\u0159evod\u016f pro dv\u011b dekorativn\u00ed kovan\u00e9 oto\u010dn\u00e9 br\u00e1ny u hlavn\u00edho vchodu. Hmotnost br\u00e1ny: 800 kg (dvojk\u0159\u00eddl\u00e1, 400 kg na k\u0159\u00eddlo). Kyvn\u00e9 rameno: 600 mm. Po\u017eadovan\u00fd v\u00fdstupn\u00ed to\u010div\u00fd moment: 120 N\u00b7m na k\u0159\u00eddlo v\u010detn\u011b zat\u00ed\u017een\u00ed v\u011btrem (projektovan\u00fd v\u00edtr pro oblast tajfunu: 50 m\/s vy\u017eaduje uzav\u00edrac\u00ed s\u00edlu br\u00e1ny ekvivalentn\u00ed 3 000 N na \u0161pi\u010dce ramene). Motor: jednof\u00e1zov\u00fd 370 W na k\u0159\u00eddlo. P\u0159evodov\u00fd pom\u011br: 40:1. Dvojice \u0161nekov\u00fdch p\u0159evod\u016f: jednochod\u00fd, modul 2, rozte\u010d 40 mm, \u017e\u00e1rov\u011b pozinkovan\u00fd \u0161nek (podle ISO 1461 pro pob\u0159e\u017en\u00ed C4-H), kolo z hlin\u00edkov\u00e9ho bronzu CuAl10Fe5Ni5. T\u011bsn\u011bn\u00ed: b\u0159itov\u00e9 t\u011bsn\u011bn\u00ed Viton + labyrint, IP55. Mazivo: syntetick\u00fd PAG pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed. To\u010div\u00fd moment p\u0159i zastaven\u00ed dle normy EN 12453: 400 N p\u0159i rameni 600 mm = 240 N\u00b7m \u2013 v r\u00e1mci p\u00e1ru jmenovit\u00fd to\u010div\u00fd moment 320 N\u00b7m s rezervou. \u010cetnost cykl\u016f: 15 za den (vozidla pro hotelov\u00e9 hosty). C\u00edlov\u00e1 \u017eivotnost: 10 let = 55 000 cykl\u016f. Cena za p\u00e1r: 82 USD (pr\u00e9mie E3 pro lodn\u00ed dopravu). Zkou\u0161ka solnou mlhou (ASTM B117) pro\u0161la po 720 hodin\u00e1ch bez viditeln\u00e9 koroze \u2013 p\u0159ekro\u010den\u00ed po\u017eadavku E3 na 500 hodin. Proch\u00e1zet \u0161nekov\u00fd reduktor pro br\u00e1nu<\/a> mo\u017enosti s ochranou proti korozi n\u00e1mo\u0159n\u00ed \u00farovn\u011b pro instalace pob\u0159e\u017en\u00edch bran.<\/p>\n

P\u0159\u00edpad 3 \u2013 Vietnamsk\u00e1 tov\u00e1rn\u00ed rolovac\u00ed vrata: 600 kg, E2, 200 cykl\u016f\/den, vysokofrekven\u010dn\u00ed<\/h3>\n

Vietnamsk\u00e1 od\u011bvn\u00ed tov\u00e1rna specifikovala p\u00e1ry \u0161nekov\u00fdch p\u0159evod\u016f pro 4 rolety nakl\u00e1dac\u00ed rampy s hmotnost\u00ed 600 kg ka\u017ed\u00e1. Po\u010det cykl\u016f: 200 za den (nakl\u00e1d\u00e1n\u00ed kamion\u016f ka\u017ed\u00e9 2 a\u017e 3 minuty ve \u0161pi\u010dce). Jednalo se o aplikaci vrat s nejvy\u0161\u0161\u00edm po\u010dtem cykl\u016f v portfoliu specifikac\u00ed \u2013 celkem 365 000 cykl\u016f b\u011bhem 5let\u00e9 c\u00edlov\u00e9 \u017eivotnosti. Motor: t\u0159\u00edf\u00e1zov\u00fd 750 W. P\u0159evodov\u00fd pom\u011br: 25:1. \u0160nekov\u00fd p\u0159evod: jednor\u00e1zov\u00fd, modul 3, rozte\u010d 63 mm (o jednu velikost r\u00e1mu v\u011bt\u0161\u00ed, ne\u017e by vy\u017eadoval samotn\u00fd kroutic\u00ed moment \u2013 \u200b\u200bzv\u011bt\u0161eno pro \u017eivotnost cykl\u016f). Provozn\u00ed kroutic\u00ed moment: 95 N\u00b7m. Rozb\u011bhov\u00fd kroutic\u00ed moment se studenou rampou r\u00e1no: 2,2kr\u00e1t = 209 N\u00b7m. Jmenovit\u00fd kroutic\u00ed moment p\u00e1ru: 480 N\u00b7m \u2013 co\u017e d\u00e1v\u00e1 sou\u010dinitel n\u00e1razu 2,3 \u200b\u200bproti rozb\u011bhu (velkorys\u00e1 rezerva pro \u00fanavu p\u0159i vysok\u00fdch cyklech). Materi\u00e1l: pozinkovan\u00fd \u0161nek, kolo z fosforov\u00e9ho bronzu. T\u011bsn\u011bn\u00ed: dvojit\u00fd b\u0159it, IP44 (nakl\u00e1dac\u00ed rampa je chr\u00e1n\u011bna). Plastick\u00e9 mazivo: lithn\u00fd komplex NLGI 2 s 12m\u011bs\u00ed\u010dn\u00edm intervalem maz\u00e1n\u00ed (maznice je p\u0159\u00edstupn\u00e1 na pouzd\u0159e). Cena za p\u00e1r: 58 USD. Po 4,2 letech (p\u0159ibli\u017en\u011b 306 000 cyklech) uk\u00e1zalo ro\u010dn\u00ed m\u011b\u0159en\u00ed v\u016fle 1,4n\u00e1sobek dodac\u00ed hodnoty \u2013 bl\u00ed\u017e\u00ed se 1,5n\u00e1sobku prahov\u00e9 hodnoty v\u00fdm\u011bny. V\u00fdm\u011bna kola je pl\u00e1nov\u00e1na v 5. roce \u00fadr\u017eby za 28 USD za kolo.<\/p>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\nOt\u00e1zka: Lze \u0161nekov\u00fd p\u0159evod pohonu br\u00e1ny ru\u010dn\u011b p\u0159epnout b\u011bhem v\u00fdpadku nap\u00e1jen\u00ed?<\/summary>\n

Samosvorn\u00e9 p\u00e1ry \u0161nekov\u00fdch p\u0159evod\u016f nelze poh\u00e1n\u011bt zp\u011bt ru\u010dn\u00edm zatla\u010den\u00edm na br\u00e1nu. Pohony br\u00e1ny proto obsahuj\u00ed mechanismus ru\u010dn\u00edho uvoln\u011bn\u00ed \u2013 obvykle spojku ovl\u00e1danou kl\u00ed\u010dem, kter\u00e1 odpoj\u00ed \u0161nek od v\u00fdstupn\u00ed h\u0159\u00eddele a umo\u017en\u00ed voln\u00fd pohyb br\u00e1ny. Spojka se mus\u00ed p\u0159i dal\u0161\u00edm spu\u0161t\u011bn\u00ed motoru automaticky znovu zapojit. P\u0159edpisy po\u017e\u00e1rn\u00ed bezpe\u010dnosti v Koreji a Japonsku vy\u017eaduj\u00ed toto ru\u010dn\u00ed uvoln\u011bn\u00ed u v\u0161ech motoricky ovl\u00e1dan\u00fdch bran slou\u017e\u00edc\u00edch k nouzov\u00fdm v\u00fdchod\u016fm. Specifikace p\u00e1ru \u0161nekov\u00fdch p\u0159evod\u016f nen\u00ed spojkou ovlivn\u011bna \u2013 spojka je prvek na \u00farovni sk\u0159\u00edn\u011b, kter\u00fd je vn\u011bj\u0161\u00ed v\u016f\u010di samotn\u00e9mu p\u00e1ru p\u0159evod\u016f.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak zat\u00ed\u017een\u00ed v\u011btrem ovliv\u0148uje specifikaci p\u00e1ru \u0161nekov\u00fdch kol?<\/summary>\n

Zat\u00ed\u017een\u00ed v\u011btrem p\u016fsob\u00ed na panel br\u00e1ny jako rozlo\u017een\u00fd tlak, kter\u00fd se prom\u00edt\u00e1 do kroutic\u00edho momentu na v\u00fdstupn\u00edm h\u0159\u00eddeli \u0161nekov\u00e9ho p\u0159evodu. Pro posuvnou br\u00e1nu o d\u00e9lce 6 metr\u016f a v\u00fd\u0161ce 1,5 metru v z\u00f3n\u011b s v\u011btrem 30 m\/s je s\u00edla v\u011btru p\u0159ibli\u017en\u011b 2 400 N (zjednodu\u0161en\u011b na z\u00e1klad\u011b 0,6 \u00d7 1,2 \u00d7 1\/2 \u00d7 1,225 \u00d7 30\u00b2 \u00d7 6 \u00d7 1,5). T\u00e9to s\u00edle mus\u00ed odol\u00e1vat samosvorn\u00fd mechanismus \u0161nekov\u00e9ho p\u0159evodu, kdy\u017e je motor vypnut\u00fd. Rozp\u011bt\u00ed samosvorn\u00e9ho mechanismu mus\u00ed za nejhor\u0161\u00edch podm\u00ednek p\u0159ekro\u010dit kroutic\u00ed moment v\u011btru na v\u00fdstupn\u00edm h\u0159\u00eddeli. V oblastech s tajfunem (rychlost v\u011btru 50 a\u017e 60 m\/s) se s\u00edla v\u011btru zvy\u0161uje s druhou mocninou rychlosti \u2013 zhruba 2,8 a\u017e 4n\u00e1sobek hodnoty 30 m\/s \u2013 a m\u016f\u017ee vy\u017eadovat v\u011bt\u0161\u00ed velikost r\u00e1mu \u0161nekov\u00e9ho p\u0159evodu nebo dopl\u0148kov\u00fd mechanick\u00fd z\u00e1mek br\u00e1ny.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak\u00e9 mazivo bych m\u011bl specifikovat pro pohon br\u00e1ny v podneb\u00ed s hork\u00fdmi l\u00e9ty a chladn\u00fdmi zimami?<\/summary>\n

Syntetick\u00e9 lithiov\u00e9 komplexn\u00ed mazivo se z\u00e1kladov\u00fdm olejem PAO nebo PAG pokr\u00fdv\u00e1 nej\u0161ir\u0161\u00ed teplotn\u00ed rozsah: provozn\u00ed rozsah od -30 do +130 stup\u0148\u016f Celsia, s \u010derpatelnost\u00ed p\u0159i studen\u00e9m startu do -40 stup\u0148\u016f Celsia. Standardn\u00ed lithiov\u00e9 mazivo na miner\u00e1ln\u00ed b\u00e1zi (s jmenovitou teplotou od -10 do +120 stup\u0148\u016f Celsia) je dosta\u010duj\u00edc\u00ed pro m\u00edrn\u00e9 podneb\u00ed, ale neproch\u00e1z\u00ed testy studen\u00e9ho startu pod -10 stupni Celsia. Pro korejsk\u00e9 instalace, kde zimn\u00ed minima dosahuj\u00ed -15 a\u017e -20 stup\u0148\u016f Celsia, je syntetick\u00e9 mazivo minim\u00e1ln\u00edm doporu\u010den\u00edm. P\u0159\u00edplatek za syntetick\u00e9 mazivo (p\u0159ibli\u017en\u011b 3 a\u017e 5 USD na n\u00e1pl\u0148 pohonu br\u00e1ny) je zanedbateln\u00fd ve srovn\u00e1n\u00ed s n\u00e1klady na servisn\u00ed v\u00fdjezd kv\u016fli br\u00e1n\u011b, kter\u00e1 se za chladn\u00e9ho r\u00e1na neotev\u00edr\u00e1.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak \u010dasto by se m\u011bla prov\u00e1d\u011bt \u00fadr\u017eba \u0161nekov\u00e9ho p\u0159evodu pohonu br\u00e1ny?<\/summary>\n

Reziden\u010dn\u00ed br\u00e1ny (10\u201320 cykl\u016f\/den): ro\u010dn\u00ed vizu\u00e1ln\u00ed kontrola t\u011bsn\u011bn\u00ed, ro\u010dn\u00ed kontrola stavu maziva, domazat, pokud je such\u00e9 nebo zabarven\u00e9. M\u011b\u0159en\u00ed v\u016fle nen\u00ed nutn\u00e9, pokud se neobjev\u00ed p\u0159\u00edznaky (klouz\u00e1n\u00ed br\u00e1ny, zv\u00fd\u0161en\u00fd hluk). Pr\u016fmyslov\u00e9 br\u00e1ny (100 a v\u00edce cykl\u016f\/den): 6m\u011bs\u00ed\u010dn\u00ed kontrola a dopln\u011bn\u00ed maziva, ro\u010dn\u00ed m\u011b\u0159en\u00ed v\u016fle, ro\u010dn\u00ed kontrola t\u011bsn\u011bn\u00ed. Vym\u011b\u0148ujte t\u011bsn\u011bn\u00ed ka\u017ed\u00fdch 5 let bez ohledu na stav (UV z\u00e1\u0159en\u00ed a teplotn\u00ed cykly degraduj\u00ed pry\u017eov\u00e1 t\u011bsn\u011bn\u00ed, i kdy\u017e se zdaj\u00ed b\u00fdt neporu\u0161en\u00e1). Pob\u0159e\u017en\u00ed instalace E3: p\u0159idejte 6m\u011bs\u00ed\u010dn\u00ed kontrolu koroze exponovan\u00fdch spojovac\u00edch prvk\u016f a vn\u011bj\u0161\u00edho povrchu pouzdra \u2013 prvn\u00ed zn\u00e1mky koroze na vn\u011bj\u0161\u00edch \u010d\u00e1stech nazna\u010duj\u00ed, \u017ee t\u0159\u00edda atmosf\u00e9rick\u00e9 koroze m\u016f\u017ee b\u00fdt vy\u0161\u0161\u00ed, ne\u017e je uvedeno.<\/p>\n<\/details>\n

\nOt\u00e1zka: Mohu v pohonu br\u00e1ny pou\u017e\u00edt dvoustup\u0148ov\u00fd \u0161nekov\u00fd p\u0159evod pro snadn\u011bj\u0161\u00ed ru\u010dn\u00ed ovl\u00e1d\u00e1n\u00ed?<\/summary>\n

Dvouchod\u00fd p\u00e1r p\u0159i typick\u00fdch hodnot\u00e1ch q m\u00e1 \u00fahel stoup\u00e1n\u00ed v\u011bt\u0161\u00ed ne\u017e \u00fahel t\u0159en\u00ed a nen\u00ed zaji\u0161\u0165ovac\u00ed \u2013 br\u00e1na se p\u0159i vypnut\u00e9m motoru bude p\u0159i zat\u00ed\u017een\u00ed v\u011btrem pohybovat nebo posouvat do otev\u0159en\u00ed\/zav\u0159en\u00ed. To ma\u0159\u00ed prim\u00e1rn\u00ed \u00fa\u010del pou\u017eit\u00ed \u0161nekov\u00e9ho p\u0159evodu v pohonu br\u00e1ny. Pokud je c\u00edlem snadn\u011bj\u0161\u00ed ru\u010dn\u00ed ovl\u00e1d\u00e1n\u00ed, spr\u00e1vn\u00fdm \u0159e\u0161en\u00edm je ru\u010dn\u00ed uvol\u0148ovac\u00ed spojka na jednochod\u00e9m samosvorn\u00e9m p\u00e1ru \u2013 kter\u00e1 zaji\u0161\u0165uje samosvornost b\u011bhem norm\u00e1ln\u00edho provozu a voln\u00fd pohyb b\u011bhem ru\u010dn\u00edho ovl\u00e1d\u00e1n\u00ed. N\u011bkte\u0159\u00ed v\u00fdrobci bran pou\u017e\u00edvaj\u00ed dvouchod\u00e9 p\u00e1ry s elektromagnetickou brzdou pro udr\u017een\u00ed polohy, ale to zvy\u0161uje n\u00e1klady, slo\u017eitost a mo\u017enost poruchy (pokud brzda sel\u017ee nebo ztrat\u00ed nap\u00e1jen\u00ed, br\u00e1na je nezaji\u0161t\u011bna). Jednochod\u00fd p\u0159evod se spojkou z\u016fst\u00e1v\u00e1 standardn\u00edm p\u0159\u00edstupem v oboru.<\/p>\n<\/details>\n<\/div>\n

<\/p>\n

Automatick\u00e9 pohony bran umis\u0165uj\u00ed \u0161nekov\u00fd p\u0159evod na nejm\u00e9n\u011b p\u0159\u00edzniv\u00e9 m\u00edsto z hlediska \u017eivotn\u00edho prost\u0159ed\u00ed ze v\u0161ech standardn\u00edch pr\u016fmyslov\u00fdch aplikac\u00ed \u2013 venku, vystaven\u00fd pov\u011btrnostn\u00edm vliv\u016fm, teplotn\u00edm extr\u00e9m\u016fm a atmosf\u00e9rick\u00e9 korozi po dobu deseti let nebo d\u00e9le. Matice venkovn\u00ed expozice klasifikuje instalace do \u010dty\u0159 kategori\u00ed prost\u0159ed\u00ed a ka\u017edou z nich mapuje na po\u017eadavky na kryt\u00ed IP, ochranu proti korozi a mazivo, kter\u00e9 ur\u010duj\u00ed jak n\u00e1klady, tak \u017eivotnost. \u017divotnost bran v provozu se m\u011b\u0159\u00ed v celkov\u00e9m po\u010dtu cykl\u016f otev\u0159en\u00ed-zav\u0159en\u00ed, nikoli v provozn\u00edch hodin\u00e1ch, p\u0159i\u010dem\u017e reziden\u010dn\u00ed br\u00e1ny c\u00edl\u00ed na 50 000 a\u017e 75 000 cykl\u016f po dobu 10 let a pr\u016fmyslov\u00e9 br\u00e1ny na 150 000 a\u017e 365 000 cykl\u016f po dobu 5 let. Chov\u00e1n\u00ed maziva p\u0159i studen\u00e9m startu pod -10 stupni Celsia a p\u0159e\u017eit\u00ed momentu zastaven\u00ed dle EN 12453 jsou dv\u011b specifikace provozn\u00edch podm\u00ednek, kter\u00e9 standardn\u00ed datov\u00e9 listy pro \u0161nekov\u00fd p\u0159evod s nep\u0159etr\u017eit\u00fdm provozem nepokr\u00fdvaj\u00ed \u2013 konstrukt\u00e9\u0159i pohon\u016f bran mus\u00ed oboj\u00ed ov\u011b\u0159it nez\u00e1visle.<\/p>\n

Pro v\u00fdrobce pohon\u016f bran a t\u00fdmy spr\u00e1vy budov prov\u00e1d\u00ed na\u0161e technick\u00e9 odd\u011blen\u00ed klasifikaci expozice a v\u00fdpo\u010det cyklick\u00e9 \u017eivotnosti va\u0161\u00ed instalace. Standardn\u00ed katalog kompaktn\u00ed \u0161nekov\u00e9 p\u0159evodovky<\/a> Pohonn\u00e9 mechanismy vrat s rozte\u010d\u00ed st\u0159ed\u016f od 40 do 80 mm pro v\u0161echny \u010dty\u0159i t\u0159\u00eddy prost\u0159ed\u00ed s odpov\u00eddaj\u00edc\u00edmi sadami t\u011bsn\u011bn\u00ed a maziv. Ode\u0161lete specifikace pohonu br\u00e1ny<\/a> s hmotnost\u00ed br\u00e1ny, frekvenc\u00ed cykl\u016f a prost\u0159ed\u00edm na m\u00edst\u011b.<\/p>\n

<\/p>\n

\n

Specifikace p\u00e1r\u016f \u0161nekov\u00fdch p\u0159evod\u016f pro pohon br\u00e1ny?<\/h3>\n

Za\u0161lete n\u00e1m typ br\u00e1ny (posuvn\u00e1, oto\u010dn\u00e1, roletov\u00e1), hmotnost br\u00e1ny, po\u010det cykl\u016f, um\u00edst\u011bn\u00ed staveni\u0161t\u011b a jak\u00e9koli zvl\u00e1\u0161tn\u00ed vlivy prost\u0159ed\u00ed (pob\u0159e\u017en\u00ed, chemick\u00e9, extr\u00e9mn\u00ed chlad). Za\u0159ad\u00edme vlivy, doporu\u010d\u00edme spr\u00e1vn\u00fd materi\u00e1l a t\u011bsnic\u00ed prost\u0159edek a nab\u00eddneme v\u00e1m cenovou nab\u00eddku na z\u00e1klad\u011b va\u0161eho ro\u010dn\u00edho objemu.<\/p>\n

Vy\u017e\u00e1dejte si specifikaci pohonu br\u00e1ny \u2192<\/a><\/p>\n<\/div>\n

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

Korea Ever-Power \u00b7 Application Engineering Guide Worm and Worm Wheel for Automatic Gate Operators \u2014 Outdoor Guide A sliding gate operator sits outdoors \u2014 exposed to rain, sun, frost, salt air, and dust \u2014 for 10 to 15 years. It opens and closes 10 to 200 times per day, stalls against obstacles for safety compliance, […]<\/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":[2821],"tags":[],"class_list":["post-1393","post","type-post","status-publish","format-standard","hentry","category-worm-and-worm-wheel"],"_links":{"self":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/comments?post=1393"}],"version-history":[{"count":3,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1393\/revisions"}],"predecessor-version":[{"id":1398,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1393\/revisions\/1398"}],"wp:attachment":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/media?parent=1393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/categories?post=1393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/tags?post=1393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}