{"id":2336,"date":"2026-06-24T03:04:13","date_gmt":"2026-06-24T03:04:13","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2336"},"modified":"2026-06-24T03:07:35","modified_gmt":"2026-06-24T03:07:35","slug":"how-to-diagnose-helical-gear-noise","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/sk\/how-to-diagnose-helical-gear-noise\/","title":{"rendered":"Ako diagnostikova\u0165 hluk \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa \u2013 identifik\u00e1cia frekvencie, z\u00e1kladn\u00e9 pr\u00ed\u010diny a zn\u00ed\u017eenie"},"content":{"rendered":"
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Ako diagnostikova\u0165 hluk \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa \u2013 identifik\u00e1cia frekvencie, z\u00e1kladn\u00e9 pr\u00ed\u010diny a rie\u0161enia<\/h1>\n

Hlu\u010dn\u00fd \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Pohon nie je samostatn\u00e1 diagn\u00f3za \u2013 je to pr\u00edznak, ktor\u00fd sa mapuje na konkr\u00e9tnu z\u00e1kladn\u00fa pr\u00ed\u010dinu na z\u00e1klade toho, ktor\u00e1 frekvencia dominuje v spektre \u0161umu, ako sa hluk men\u00ed s r\u00fdchlos\u0165ou a za\u0165a\u017een\u00edm a \u010di je t\u00f3nov\u00fd (kv\u00edlenie na ur\u010ditej frekvencii) alebo \u0161irokop\u00e1smov\u00fd (hrkotanie alebo dunenie). T\u00e1to pr\u00edru\u010dka sa zaober\u00e1 diagnostickou met\u00f3dou, ktor\u00fa pou\u017e\u00edvaj\u00fa \u00fadr\u017eb\u00e1ri a technici prevodov na prechod od pr\u00edznaku k z\u00e1kladnej pr\u00ed\u010dine bez zbyto\u010dnej v\u00fdmeny dielov.<\/p>\n

Kontaktujte spolo\u010dnos\u0165 Korea Ever-Power pre podporu v oblasti hluku \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

Krok 1 \u2013 Identifik\u00e1cia frekvencie: Z\u00e1klad diagnostiky hluku prevodovky<\/h2>\n

Ka\u017ed\u00fd zdroj hluku v \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Pohon vytv\u00e1ra vibr\u00e1cie s charakteristickou frekvenciou ur\u010denou ot\u00e1\u010dkami hriade\u013ea a geometriou komponentu. Analyz\u00e1tor vibr\u00e1ci\u00ed alebo prenosn\u00fd spektr\u00e1lny analyz\u00e1tor pripojen\u00fd k akcelerometru na skrini prevodovky vytv\u00e1ra frekven\u010dn\u00e9 spektrum \u2013 graf amplit\u00fady vibr\u00e1ci\u00ed v z\u00e1vislosti od frekvencie. Dominantn\u00e9 vrcholy v tomto spektre identifikuj\u00fa zdroj:<\/p>\n

Frekvencia siete: f_mesh = z \u00d7 n \/ 60 [Hz, z = po\u010det zubov, n = ot\u00e1\u010dky hriade\u013ea v ot.\/min]
\n1\u00d7 hriade\u013e: f_hriade\u013e = n \/ 60 [Hz \u2014 raz za ot\u00e1\u010dku hriade\u013ea]
\n2\u00d7 hriade\u013e: 2 \u00d7 n \/ 60
\nVonkaj\u0161ia prihr\u00e1vka lopty: BPFO = (N_l\u00f4pt\/2) \u00d7 (n\/60) \u00d7 (1 \u2212 d_l\u00f4pt cos\u03b1 \/ d_kru\u017enica_rozstupu)<\/p>\n

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Dominantn\u00e1 frekvencia v spektre<\/th>\nNajpravdepodobnej\u0161\u00ed zdroj<\/th>\nCharakteristick\u00fd<\/th>\nDiagnostick\u00fd test<\/th>\n<\/tr>\n<\/thead>\n
Frekvencia siete (z \u00d7 ot.\/min.\/60)<\/td>\n\u0160pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> odch\u00fdlka profilu zuba alebo st\u00fapania; kontamin\u00e1cia v sie\u0165ovine<\/td>\nT\u00f3nov\u00e9 kv\u00edlenie; \u00famerne sa men\u00ed s ot\u00e1\u010dkami; amplit\u00fada sa zvy\u0161uje so za\u0165a\u017een\u00edm<\/td>\nZme\u0148te ot\u00e1\u010dky (RPM) a potvr\u010fte, \u017ee f sa \u00famerne pos\u00fava pomocou z \u00d7 RPM\/60<\/td>\n<\/tr>\n
Bo\u010dn\u00e9 p\u00e1sma frekvencie siete (f_mesh \u00b1 f_shaft)<\/td>\nAmplit\u00fadov\u00e1 modul\u00e1cia \u2013 excentricita, ohnut\u00fd hriade\u013e alebo nerovnomern\u00e9 rozstupy zubov<\/td>\nBo\u010dn\u00e9 p\u00e1sma rozmiestnen\u00e9 na frekvencii hriade\u013ea okolo vrcholu siete; ozna\u010duje cyklick\u00fa zmenu za\u0165a\u017eenia pri 1\u00d7 hriadeli<\/td>\nSkontrolujte h\u00e1dzanie hriade\u013ea a excentricitu ozuben\u00e9ho kolesa; overte s\u00faosos\u0165 vonkaj\u0161ieho priemeru ozuben\u00e9ho kolesa s otvorom<\/td>\n<\/tr>\n
1\u00d7 frekvencia hriade\u013ea<\/td>\nNevyv\u00e1\u017eenos\u0165 hriade\u013ea; excentricita ozuben\u00e9ho kolesa; nes\u00faosos\u0165 spojky<\/td>\nRaz za ot\u00e1\u010dku; silnej\u0161\u00ed v radi\u00e1lnom smere; nez\u00e1visl\u00fd od po\u010dtu zubov<\/td>\nVyva\u017eovanie hriade\u013ea; meranie h\u00e1dzania ozuben\u00fdch kolies; kontrola zarovnania spojky<\/td>\n<\/tr>\n
2\u00d7 frekvencia hriade\u013ea<\/td>\nUhlov\u00e9 vych\u00fdlenie; vych\u00fdlenie spojky<\/td>\nDvakr\u00e1t za ot\u00e1\u010dku; silnej\u0161ie v axi\u00e1lnom smere pre vych\u00fdlenie<\/td>\nLaserov\u00e9 zarovnanie; kontrola spojok<\/td>\n<\/tr>\n
Lo\u017eiskov\u00e9 frekvencie (BPFO, BPFI, BSF)<\/td>\nPorucha lo\u017eiska \u2013 jamkov\u00e1 tvorba, odlupovanie, prasknutie klietky<\/td>\nNeharmonick\u00e9 v porovnan\u00ed s po\u010dtom zubov; \u010dasto sprev\u00e1dzan\u00e9 n\u00e1rastom vysokofrekven\u010dn\u00e9ho \u0161irokop\u00e1smov\u00e9ho \u0161umu<\/td>\nPo\u010det \u010dast\u00edc oleja; teplota lo\u017eiska; v\u00fdmena lo\u017eiska pri najbli\u017e\u0161ej pl\u00e1novanej odst\u00e1vke<\/td>\n<\/tr>\n
\u0160irokop\u00e1smov\u00fd \u0161um \u2013 \u017eiadny dominantn\u00fd vrchol<\/td>\nPrevzdu\u0161\u0148ovanie (penenie) oleja; kavit\u00e1cia; vo\u013en\u00e9 puzdro; rezonancia<\/td>\n\u0160irokop\u00e1smov\u00e9 dunenie alebo sy\u010danie; nie je \u00famern\u00e9 ot\u00e1\u010dkam; \u010dasto sa men\u00ed s teplotou oleja<\/td>\nSkontrolujte hladinu a viskozitu oleja; skontrolujte upevnenie krytu; rezonan\u010dn\u00fd test s r\u00e1zov\u00fdm kladivom<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Kv\u00edlenie prevodov vs. hrkanie prevodov \u2013 dva r\u00f4zne probl\u00e9my<\/h2>\n

Kv\u00edlenie prevodovky<\/strong> je t\u00f3nov\u00fd \u0161um na sie\u0165ovej frekvencii \u2013 jednot\u00f3nov\u00fd hukot, ktor\u00fd sa zvy\u0161uje s ot\u00e1\u010dkami. Zdrojom je chyba prenosu na kontakte zubov: \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong><\/a> Dvojica nepren\u00e1\u0161a dokonale kon\u0161tantn\u00fa uhlov\u00fa r\u00fdchlos\u0165 a cyklick\u00e1 odch\u00fdlka pri sie\u0165ovej frekvencii vyvol\u00e1va rezonancie puzdra, ktor\u00e9 vy\u017earuj\u00fa ako po\u010dute\u013en\u00fd zvuk. Kv\u00edlenie ozuben\u00fdch kolies je probl\u00e9mom presnosti a mazania \u2013 zlep\u0161uje sa s vy\u0161\u0161ou triedou presnosti DIN, spr\u00e1vnou povrchovou \u00fapravou a primeranou vrstvou EHL.<\/p>\n

Rachot prevodov<\/strong> je \u0161irokop\u00e1smov\u00fd n\u00e1razov\u00fd zvuk \u2013 klopav\u00fd alebo klepav\u00fd zvuk, ktor\u00fd sa objav\u00ed, ke\u010f je kr\u00fatiaci moment pohonu n\u00edzky alebo sa obr\u00e1ti. Zdrojom s\u00fa sp\u00e4tn\u00e9 n\u00e1razy: ke\u010f pren\u00e1\u0161an\u00fd kr\u00fatiaci moment klesne pod prahov\u00fa hodnotu, dvojica zubov strat\u00ed kontakt a boky zubov na uvo\u013enenej strane nar\u00e1\u017eaj\u00fa silou \u00famernou uhlov\u00e9mu zr\u00fdchleniu a momentu zotrva\u010dnosti dvojice ozuben\u00fdch kolies. Rachotanie ozuben\u00fdch kolies je probl\u00e9m s v\u00f4\u013eou a dynamikou \u2013 nie je sp\u00f4soben\u00e9 n\u00edzkou presnos\u0165ou ozuben\u00e9ho kolesa a nezlep\u0161uje sa br\u00fasen\u00edm ani \u00fapravou profilu. Zni\u017euje sa zn\u00ed\u017een\u00edm v\u00f4le (na \u00fakor tepeln\u00e9ho a mont\u00e1\u017eneho rizika) alebo pridan\u00edm torznej poddajnosti (pru\u017en\u00e1 spojka) na zn\u00ed\u017eenie uhlov\u00e9ho zr\u00fdchlenia po\u010das obr\u00e1tenia kr\u00fatiaceho momentu.<\/p>\n

10 naj\u010dastej\u0161\u00edch pr\u00ed\u010din nadmern\u00e9ho hluku zo \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies \u2013 s opravami<\/h2>\n
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#<\/th>\nPr\u00ed\u010dina<\/th>\nCharakter \u0161umu<\/th>\nOprava<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nPr\u00edli\u0161 ve\u013ek\u00e1 odch\u00fdlka profilu (DIN trieda 8+ po odva\u013eovan\u00ed)<\/td>\nKv\u00edlenie sie\u0165ovej frekvencie; hor\u0161ie pri vysokej r\u00fdchlosti<\/td>\nUpgrade na uzemnenie pod\u013ea DIN triedy 5\u20136 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong><\/td>\n<\/tr>\n
2<\/td>\nOdch\u00fdlka vedenia \u2013 za\u0165a\u017eenie hrany z d\u00f4vodu nespr\u00e1vneho zarovnania<\/td>\nNerovnomern\u00fd hluk siete; hlasnej\u0161\u00ed pri za\u0165a\u017een\u00ed<\/td>\nLaserov\u00e9 zarovnanie; \u0161pecifikujte vyklenutie oloven\u00e9ho kolesa na n\u00e1hradnom prevodovom stupni<\/td>\n<\/tr>\n
3<\/td>\nNedostato\u010dn\u00e1 vrstva EHL (nespr\u00e1vna viskozita oleja)<\/td>\nHluk sa zvy\u0161uje so zvy\u0161uj\u00facou sa teplotou oleja; drsn\u00fd zvuk sie\u0165oviny<\/td>\nZlep\u0161ite kvalitu ISO VG alebo prejdite na syntetick\u00fd PAO<\/td>\n<\/tr>\n
4<\/td>\nNedostato\u010dn\u00e9 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> uhol \u0161pir\u00e1ly (\u03b5_\u03b2 < 1)<\/td>\nHlu\u010dnej\u0161\u00ed, ako sa o\u010dak\u00e1valo pre dan\u00fa triedu presnosti prevodovky<\/td>\nZv\u00fd\u0161te \u03b2 alebo zv\u00e4\u010d\u0161ite \u0161\u00edrku plochy, aby ste dosiahli \u03b5_\u03b2 \u2265 1<\/td>\n<\/tr>\n
5<\/td>\nInterferencia hrotu (\u017eiadne od\u013eah\u010denie hrotu, kr\u00fatiaci moment pr\u00edli\u0161 vysok\u00fd pre dan\u00fd profil)<\/td>\nHluk siete sa pri plnom za\u0165a\u017een\u00ed prudko zvy\u0161uje, pri \u010diasto\u010dnom za\u0165a\u017een\u00ed je plynulej\u0161\u00ed<\/td>\nPo\u010das nasleduj\u00faceho br\u00fasneho cyklu aplikujte optimalizovan\u00e9 od\u013eah\u010denie hrotu<\/td>\n<\/tr>\n
6<\/td>\nRezonancia b\u00fdvania vzru\u0161en\u00e1 na \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> frekvencia siete<\/td>\nHluk ve\u013emi citliv\u00fd na presn\u00e9 ot\u00e1\u010dky \u2013 vrchol pri \u0161pecifickej r\u00fdchlosti<\/td>\nPridanie tlmiacej dosky krytu; zmena prev\u00e1dzkovej r\u00fdchlosti smerom od rezonancie; \u00faprava \u0161truktur\u00e1lnych rebier<\/td>\n<\/tr>\n
7<\/td>\nPrevzdu\u0161nenie oleja (hladina oleja pr\u00edli\u0161 vysok\u00e1; olejov\u00e1 pena)<\/td>\n\u0160irokop\u00e1smov\u00fd hluk pri preru\u0161ovanom chode\/sy\u010dan\u00ed; men\u00ed sa v z\u00e1vislosti od teploty oleja<\/td>\nZn\u00ed\u017ete hladinu oleja; pou\u017eite protipeniv\u00fa pr\u00edsadu; skontrolujte interval v\u00fdmeny oleja<\/td>\n<\/tr>\n
8<\/td>\nKontamin\u00e1cia tvrd\u00fdmi \u010dasticami v oleji<\/td>\nN\u00e1hodn\u00e9 kliknutia pri n\u00e1raze; po\u010det \u010dast\u00edc vo vzork\u00e1ch oleja rastie<\/td>\nVypustite a prepl\u00e1chnite; vyme\u0148te filter; opravte tesnenie, ktor\u00e9 umo\u017e\u0148uje vonkaj\u0161iu kontamin\u00e1ciu<\/td>\n<\/tr>\n
9<\/td>\nExcentricita \/ h\u00e1dzavos\u0165 ozuben\u00e9ho p\u00e1ru (zl\u00e1 s\u00faosos\u0165 medzi v\u0155tan\u00edm a vonkaj\u0161\u00edm priemerom)<\/td>\n1\u00d7 bo\u010dn\u00e9 p\u00e1sma frekvencie hriade\u013ea okolo vrcholu siete<\/td>\nZnovu zmerajte h\u00e1dzavos\u0165 od v\u0155tania k vonkaj\u0161iemu priemeru; vyme\u0148te ozuben\u00e9 koleso, ak je prekro\u010den\u00e9 limitom triedy DIN<\/td>\n<\/tr>\n
10<\/td>\nPo\u0161koden\u00e9 alebo opotrebovan\u00e9 lo\u017eisko (jamkov\u00e1 jama, prasklina klietky)<\/td>\nVysokofrekven\u010dn\u00fd n\u00e1rast \u0161irokop\u00e1smov\u00e9ho sign\u00e1lu + \u0161pi\u010dky frekvencie lo\u017eiska<\/td>\nOkam\u017eit\u00e1 v\u00fdmena lo\u017eiska; po\u010det \u010dast\u00edc oleja pre pos\u00fadenie z\u00e1va\u017enosti<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Diagnostick\u00fd postup \u2013 od \u0160pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Odstr\u00e1nenie pr\u00ed\u010diny hluku zo s\u0165a\u017enosti v piatich krokoch<\/h2>\n

\"Analyz\u00e1tor<\/p>\n

Meranie analyz\u00e1torom ozuben\u00fdch kolies potvrdzuj\u00face presnos\u0165 profilu pod\u013ea DIN triedy 5 na n\u00e1hradnom diele \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> \u2014 elimin\u00e1cia chyby prevodovky ako zdroja hluku pred in\u0161tal\u00e1ciou, aby bolo mo\u017en\u00e9 hluk po in\u0161tal\u00e1cii prip\u00edsa\u0165 sk\u00f4r nespr\u00e1vnemu zarovnaniu, mazaniu alebo rezonancii krytu ne\u017e kvalite prevodov\u00e9ho stup\u0148a<\/p>\n

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Zaznamenajte \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> s\u0165a\u017enos\u0165 na hluk presne<\/strong><\/p>\n

T\u00f3nov\u00fd alebo \u0161irokop\u00e1smov\u00fd? Pri ak\u00fdch ot\u00e1\u010dkach sa to objav\u00ed? Men\u00ed sa to so z\u00e1\u0165a\u017eou? Za tepla alebo za studena? Ned\u00e1vna zmena (nov\u00e1 in\u0161tal\u00e1cia, v\u00fdmena oleja, gener\u00e1lna oprava)? Tieto odpovede zu\u017euj\u00fa hlavn\u00fa pr\u00ed\u010dinu predt\u00fdm, ako sa pou\u017eije ak\u00fdko\u013evek n\u00e1stroj.<\/p>\n<\/div>\n<\/div>\n

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Vypo\u010d\u00edtajte v\u0161etky o\u010dak\u00e1van\u00e9 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> a frekvencie lo\u017e\u00edsk<\/strong><\/p>\n

Vypo\u010d\u00edtajte f_mesh pre ka\u017ed\u00fd prevodov\u00fd stupe\u0148 (z \u00d7 ot.\/min.\/60), f_shaft pre ka\u017ed\u00fd hriade\u013e a frekvenciu prechodu gu\u013e\u00f4\u010dky vonkaj\u0161ej kr\u00fa\u017eky (BPFO) pre ka\u017ed\u00e9 lo\u017eisko. Pred meran\u00edm uve\u010fte v\u0161etky hodnoty \u2013 sl\u00fa\u017eia ako vyh\u013ead\u00e1vacia tabu\u013eka na interpret\u00e1ciu spektra.<\/p>\n<\/div>\n<\/div>\n

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Vezmite si vibra\u010dn\u00e9 spektrum z \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> kryt pohonu<\/strong><\/p>\n

Namontujte akcelerometer na teleso lo\u017eiska (nie na z\u00e1klad\u0148u alebo kon\u0161trukciu). Zaznamenajte spektr\u00e1 pri viacer\u00fdch r\u00fdchlostiach a za\u0165a\u017eeniach. Dominantn\u00fd vrchol pri frekvencii z\u00e1beru = kv\u00edlenie ozuben\u00e9ho kolesa; bo\u010dn\u00e9 p\u00e1sma okolo z\u00e1beru = excentricita; 1\u00d7 alebo 2\u00d7 hriade\u013e = nevyv\u00e1\u017eenos\u0165 alebo nes\u00faosos\u0165; frekvencie lo\u017e\u00edsk = chyba lo\u017eiska; \u0161irokop\u00e1smov\u00e9 pripojenie = prevzdu\u0161nenie alebo uvo\u013enenie.<\/p>\n<\/div>\n<\/div>\n

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Potvr\u010fte \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> diagn\u00f3za pomocou sekund\u00e1rneho testu<\/strong><\/p>\n

Kv\u00edlenie frekvencie z\u00e1beru \u2192 skontrolujte triedu prevodovky pod\u013ea DIN (vy\u017eiadajte si spr\u00e1vu o kontrole). Podpis nespr\u00e1vneho zarovnania \u2192 laserov\u00e9 zarovnanie a op\u00e4tovn\u00e9 meranie. Frekvencia lo\u017e\u00edsk \u2192 po\u010det \u010dast\u00edc oleja a teplota lo\u017eiska. Prevzdu\u0161\u0148ovanie oleja \u2192 skontrolujte hladinu oleja a penu; vzorka oleja na po\u010det \u010dast\u00edc a viskozitu.<\/p>\n<\/div>\n<\/div>\n

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Pou\u017eite opravu na \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> riadi\u0165 a overova\u0165 zlep\u0161enie<\/strong><\/p>\n

Vyme\u0148te ozuben\u00e9 koleso za ozuben\u00e9 koleso s br\u00fasen\u00edm pod\u013ea DIN triedy 5\u20136; znovu zarovnajte hriadele; vyme\u0148te olej; vyme\u0148te lo\u017eisko. Po oprave znova zmerajte spektrum pri rovnakej r\u00fdchlosti a za\u0165a\u017een\u00ed. Potvr\u010fte, \u017ee dominantn\u00fd vrchol sa zn\u00ed\u017eil. Ak dominantn\u00fd vrchol pretrv\u00e1va, hlavn\u00e1 pr\u00ed\u010dina nebola vyrie\u0161en\u00e1 \u2013 vr\u00e1\u0165te sa ku kroku 3.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

Korea Ever-Power \u2014 N\u00e1hradn\u00e9 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1 s optimalizovan\u00fdm hlukom<\/h2>\n

Ke\u010f frekven\u010dn\u00e1 diagnostika identifikuje profil zuba ozuben\u00e9ho kolesa alebo odch\u00fdlku vedenia ako zdroj hluku, opravou je v\u00fdmena. ozuben\u00e9 koleso so \u0161pir\u00e1lov\u00fdm rezom<\/strong> s vy\u0161\u0161ou triedou presnosti. In\u017einiersky t\u00edm spolo\u010dnosti Korea Ever-Power presk\u00fama spr\u00e1vu o kontrole chybn\u00e9ho ozuben\u00e9ho kolesa (alebo priamo zmeria ozuben\u00e9 koleso pomocou analyz\u00e1tora ozuben\u00fdch kolies), potvrd\u00ed parametre relevantn\u00e9 pre hluk (odch\u00fdlka profilu ff, odch\u00fdlka st\u00fapania fH\u03b2) a vyrob\u00ed n\u00e1hradn\u00e9 ozuben\u00e9 koleso triedy DIN 5\u20136 s modifik\u00e1ciou profilu (odrehnutie hrotu a zaoblenie st\u00fapania) \u0161pecifikovanou pre aplikovan\u00fd kr\u00fatiaci moment a r\u00fdchlos\u0165 \u2013 \u010d\u00edm sa eliminuje chyba prevodu na \u00farovni z\u00e1kladnej pr\u00ed\u010diny, a nie sa hluk maskuje zvukovou izol\u00e1ciou. Ako priamy v\u00fdrobca \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies<\/a>Spolo\u010dnos\u0165 Korea Ever-Power poskytuje s ka\u017edou objedn\u00e1vkou v\u00fdmeny s\u00favisiacej s hlukom kompletn\u00fa dokument\u00e1ciu o hlukovom in\u017einierstve \u2013 o\u010dak\u00e1van\u00fa prenosov\u00fa chybu, kontaktn\u00fd pomer \u03b5_\u03b3 a odhadovan\u00e9 zlep\u0161enie hluku v dB(A).<\/p>\n

\"typy<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n

Ko\u013eko sa zn\u00ed\u017ei prechod z triedy DIN 8 na triedu DIN 5? \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> hluk \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa?<\/strong><\/p>\n

Zn\u00ed\u017eenie hluku v\u010faka moderniz\u00e1cii triedy DIN 8 (odvalcovan\u00e9) na triedu DIN 5 (br\u00fasen\u00e9) v... \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Hlu\u010dnos\u0165 budi\u010da je typicky 5\u201310 dB(A) pri sie\u0165ovej frekvencii. Zlep\u0161enie poch\u00e1dza z dvoch mechanizmov: (1) odch\u00fdlka profilu ff sa zni\u017euje z pribli\u017ene 18 \u00b5m (trieda 8) na 5 \u00b5m (trieda 5) \u2013 \u010do je 3,6-n\u00e1sobn\u00e9 zn\u00ed\u017eenie, ktor\u00e9 zni\u017euje amplit\u00fadu chyby prenosu pribli\u017ene rovnak\u00fdm faktorom, \u010do d\u00e1va 20 \u00d7 log\u2081\u2080(3,6) \u2248 11 dB. (2) Drsnos\u0165 povrchu Ra sa zni\u017euje z 2,0 \u00b5m (odva\u013eovacie br\u00fasenie) na 0,3 \u00b5m (br\u00fasenie), \u010d\u00edm sa zlep\u0161uje pomer filmu EHL \u03bb a zni\u017euje sa kontakt drsnosti kovu na kov, ktor\u00fd prispieva k dodato\u010dn\u00e9mu \u0161irokop\u00e1smov\u00e9mu \u0161umu pod vrcholom sie\u0165ovej frekvencie.<\/p>\n<\/div>\n

\n

Pre\u010do \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Zv\u00fd\u0161enie hluku pri \u0161tartovan\u00ed so studen\u00fdm olejom?<\/strong><\/p>\n

Studen\u00fd olej je visk\u00f3znej\u0161\u00ed ako olej pri prev\u00e1dzkovej teplote. To sa m\u00f4\u017ee zda\u0165 v\u00fdhodn\u00e9 (hrub\u0161\u00ed film = men\u0161\u00ed kontakt s kovom = menej hluku), ale v praxi studen\u00fd olej s vysokou viskozitou nete\u010die dostato\u010dne r\u00fdchlo na to, aby zaplavil z\u00f3nu z\u00e1beru zubov, \u010do sp\u00f4sobuje ob\u010dasn\u00e9 hladovanie oleja pri \u0161tartovan\u00ed. Drsn\u00fd kontakt s kovom po\u010das tejto f\u00e1zy hladovania produkuje viac hluku ako pri \u00faplnom vytvoren\u00ed spr\u00e1vneho mazacieho filmu pri prev\u00e1dzkovej teplote. Hluk sa zvy\u010dajne zni\u017euje, ke\u010f sa prevodovka zahreje na prev\u00e1dzkov\u00fa teplotu. Ak sa hluk po zahriat\u00ed nezn\u00ed\u017ei, viskozitn\u00fd stupe\u0148 je pre dan\u00fa prev\u00e1dzkov\u00fa teplotu pr\u00edli\u0161 vysok\u00fd, \u010do pravdepodobne sp\u00f4sobuje nadmern\u00e9 v\u00edrenie a penenie, a nie nedostato\u010dn\u00fd film.<\/p>\n<\/div>\n

\n

M\u00f4\u017ee rezonancia puzdra vytvori\u0165 dokonale vyroben\u00fd \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Znie \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso hlu\u010dne?<\/strong><\/p>\n

\u00c1no \u2013 dobre vyroben\u00e9 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> S presnos\u0165ou pod\u013ea DIN triedy 5 v puzdre, ktor\u00e9 m\u00e1 \u0161truktur\u00e1lnu rezonanciu na sie\u0165ovej frekvencii, bude vy\u017earova\u0165 v\u00fdrazne viac hluku ako rovnak\u00e9 ozuben\u00e9 koleso v dobre tlmenom puzdre. Ozuben\u00e9 koleso pren\u00e1\u0161a mal\u00fa, ale kone\u010dn\u00fa prenosov\u00fa chybu na sie\u0165ovej frekvencii; ak rezonancia puzdra zosiln\u00ed toto budenie, vy\u017earovan\u00fd zvuk je ne\u00famern\u00fd skuto\u010dnej amplit\u00fade prenosovej chyby. Diagn\u00f3za: hluk m\u00e1 ve\u013emi siln\u00fa citlivos\u0165 na ot\u00e1\u010dky \u2013 hlasn\u00fd pri jednej konkr\u00e9tnej frekvencii ot\u00e1\u010dok, ove\u013ea tich\u0161\u00ed pri vy\u0161\u0161\u00edch alebo ni\u017e\u0161\u00edch ot\u00e1\u010dkach (znak rezonan\u010dn\u00e9ho budenia). Oprava: zmena prev\u00e1dzkov\u00fdch ot\u00e1\u010dok, aby sa predi\u0161lo rezonancii; pridanie tlmenia s obmedzenou vrstvou do panelu puzdra identifikovan\u00e9ho sk\u00fa\u0161kou n\u00e1razov\u00fdm kladivom; alebo pridanie \u0161truktur\u00e1lnych rebier, aby sa rezonan\u010dn\u00e1 frekvencia posunula od sie\u0165ovej frekvencie pri norm\u00e1lnych prev\u00e1dzkov\u00fdch ot\u00e1\u010dkach.<\/p>\n<\/div>\n

\n

Existuje jednoduch\u00fd praktick\u00fd test, ktor\u00fd by zistil, \u010di hluk prevodov\u00e9ho stup\u0148a poch\u00e1dza z... \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> s\u00e1m o sebe alebo z lo\u017eiska?<\/strong><\/p>\n

Najjednoduch\u0161\u00edm rozli\u0161ovac\u00edm testom je zmeni\u0165 r\u00fdchlos\u0165 ot\u00e1\u010dania hriade\u013ea o 10\u201320% a pozorova\u0165, ako sa men\u00ed hluk. Hluk ozuben\u00e9ho kolesa sa men\u00ed presne \u00famerne s r\u00fdchlos\u0165ou (zv\u00fd\u0161enie r\u00fdchlosti o 20% pos\u00fava frekvenciu z\u00e1beru a ak\u00fdko\u013evek hluk s\u00favisiaci s prevodom presne o 20%). Frekvencie hluku lo\u017e\u00edsk sa pos\u00favaj\u00fa pribli\u017ene v rovnakom pomere, ale absol\u00fatne frekven\u010dn\u00e9 posuny s\u00fa r\u00f4zne \u010d\u00edsla \u2013 a hluk lo\u017e\u00edsk \u010dasto men\u00ed charakter (v\u00fd\u0161ku t\u00f3nu a kvalitu) viac ako hluk ozuben\u00e9ho kolesa v rovnakom rozsahu ot\u00e1\u010dok. Prenosn\u00fd analyz\u00e1tor vibr\u00e1ci\u00ed s kurzorov\u00fdm meran\u00edm poskytuje definit\u00edvnu identifik\u00e1ciu: umiestnite kurzor na dominantn\u00fd \u0161umov\u00fd vrchol a od\u010d\u00edtajte frekvenciu, potom skontrolujte, \u010di sa zhoduje s z \u00d7 RPM\/60 (prevodov\u00fd stupe\u0148) alebo s vypo\u010d\u00edtanou frekvenciou lo\u017eiska. Ak sa ani jedno nezhoduje, hluk je pravdepodobne \u0161truktur\u00e1lny (nes\u00favis\u00ed s prevodom) (vibr\u00e1cie krytu alebo hrkotanie spojky).<\/p>\n<\/div>\n

\n

Hlu\u010dn\u00e9 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso? Spolo\u010dnos\u0165 Korea Ever-Power ho dok\u00e1\u017ee diagnostikova\u0165 a opravi\u0165<\/h2>\n

Po\u0161lite ozuben\u00e9 koleso na kontrolu alebo poskytnite spektrum vibr\u00e1ci\u00ed. Spolo\u010dnos\u0165 Korea Ever-Power identifikuje, \u010di je zdrojom hluku presnos\u0165 ozuben\u00e9ho kolesa, \u00faprava profilu, mazanie alebo nespr\u00e1vne zarovnanie \u2013 a vyrob\u00ed spr\u00e1vne \u0161pecifikovan\u00e9 n\u00e1hradn\u00e9 ozuben\u00e9 koleso s dokument\u00e1ciou o zlep\u0161en\u00ed hluku.<\/p>\n

Odosla\u0165 dopyt na diagnostiku hluku<\/a>
\nSortiment \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies<\/a><\/div>\n

Br\u00fasenie pod\u013ea DIN triedy 5\u20136 \u00b7 Od\u013eah\u010denie hrotu \u00b7 Zaoblenie oloven\u00fdch elektr\u00f3d \u00b7 V\u00fdpo\u010det TE \u00b7 Odhad zlep\u0161enia dB(A) \u00b7 Minim\u00e1lne objedn\u00e1vacie mno\u017estvo 1 kus<\/p>\n<\/div>\n

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

Ako diagnostikova\u0165 hluk \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa \u2013 identifik\u00e1cia frekvencie, z\u00e1kladn\u00e9 pr\u00ed\u010diny a rie\u0161enia Hlu\u010dn\u00fd pohon \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa nie je samostatn\u00e1 diagn\u00f3za \u2013 je to pr\u00edznak, ktor\u00fd sa mapuje na konkr\u00e9tnu z\u00e1kladn\u00fa pr\u00ed\u010dinu na z\u00e1klade toho, ktor\u00e1 frekvencia dominuje v spektre hluku, ako sa hluk men\u00ed s r\u00fdchlos\u0165ou a za\u0165a\u017een\u00edm a \u010di je [\u2026]<\/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":[3082],"tags":[],"class_list":["post-2336","post","type-post","status-publish","format-standard","hentry","category-helical-gears"],"_links":{"self":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/comments?post=2336"}],"version-history":[{"count":3,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2336\/revisions"}],"predecessor-version":[{"id":2339,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2336\/revisions\/2339"}],"wp:attachment":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/media?parent=2336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/categories?post=2336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/tags?post=2336"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}