{"id":2273,"date":"2026-06-23T06:59:31","date_gmt":"2026-06-23T06:59:31","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2273"},"modified":"2026-06-23T06:59:31","modified_gmt":"2026-06-23T06:59:31","slug":"how-to-choose-the-right-helix-angle-for-a-helical-gear-step-by-step-selection-guide","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/sk\/how-to-choose-the-right-helix-angle-for-a-helical-gear-step-by-step-selection-guide\/","title":{"rendered":"Ako vybra\u0165 spr\u00e1vny uhol \u0161pir\u00e1ly pre \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso \u2013 Podrobn\u00fd n\u00e1vod na v\u00fdber"},"content":{"rendered":"
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Ako vybra\u0165 spr\u00e1vny uhol \u0161pir\u00e1ly \u2013 Podrobn\u00fd n\u00e1vod na n\u00e1vrh \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa<\/h1>\n

Uhol skrutkovice je jedin\u00fd parameter, ktor\u00fd najviac ur\u010duje hladinu hluku, nosnos\u0165, axi\u00e1lny posuv a v\u00fdrobn\u00e9 limity \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa \u2013 \u010dasto sa v\u0161ak vol\u00ed kop\u00edrovan\u00edm z predch\u00e1dzaj\u00faceho n\u00e1vrhu alebo v\u00fdberom \u201e20\u00b0, preto\u017ee to je \u0161tandard\u201c. T\u00e1to pr\u00edru\u010dka poskytuje technick\u00fd z\u00e1klad pre v\u00fdber uhla skrutkovice \u0161pecificky pre va\u0161u aplik\u00e1ciu spolu s tabu\u013ekou vzorcov a podrobn\u00fdm postupom rozhodovania.<\/p>\n

Potvr\u010fte uhol \u0161pir\u00e1ly pre va\u0161u aplik\u00e1ciu \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

\u010co riadi uhol \u0161pir\u00e1ly \u2013 \u0161tyri parametre v jednom<\/h2>\n

Uhol skrutkovice \u03b2 je jedin\u00fd parameter, ktor\u00fd najviac ur\u010duje \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1<\/strong> v\u00fdkonnostn\u00e9 charakteristiky. V \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong>, s\u00fa\u010dasne ovplyv\u0148uje \u0161tyri v\u00fdkonnostn\u00e9 parametre, ktor\u00e9 s\u00fa vo vz\u00e1jomnom \u010diasto\u010dnom konflikte. Vo\u013eba \u03b2 je preto vyv\u00e1\u017een\u00edm, nie optimaliz\u00e1ciou jedn\u00e9ho cie\u013ea:<\/p>\n

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Redukcia \u0161umu \u2013 vy\u0161\u0161ie \u03b2 je lep\u0161ie<\/strong><\/p>\n

Zvy\u0161ovanie \u03b2 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> zvy\u0161uje pomer prekrytia kontaktov \u03b5_\u03b2 = b sin \u03b2 \/ (\u03c0 Mn), \u010do zvy\u0161uje celkov\u00fd pomer kontaktov \u03b5_\u03b3 a zni\u017euje amplit\u00fadu chyby prenosu. Ka\u017ed\u00fd \u010fal\u0161\u00ed stupe\u0148 uhla \u0161pir\u00e1ly nad \u03b2 = 0\u00b0 (\u010deln\u00e9 ozuben\u00e9 koleso) zni\u017euje hluk. Margin\u00e1lny zisk sa zni\u017euje nad \u03b2 = 30\u00b0 \u2013 zv\u00fd\u0161enie z 30\u00b0 na 35\u00b0 prin\u00e1\u0161a ove\u013ea men\u0161\u00ed \u00fa\u017eitok z h\u013eadiska hluku ako zv\u00fd\u0161enie z 15\u00b0 na 20\u00b0.<\/p>\n<\/div>\n

Axi\u00e1lny \u0165ah \u2013 ni\u017e\u0161ie \u03b2 je lep\u0161ie<\/strong><\/p>\n

F_a = F_t \u00d7 tan \u03b2. Ka\u017ed\u00fd stupe\u0148 uhla skrutkovice nad \u03b2 = 0\u00b0 generuje axi\u00e1lny tlak na lo\u017eisk\u00e1 hriade\u013ea. Pri \u03b2 = 25\u00b0 je axi\u00e1lny tlak 47% tangenci\u00e1lnej sily \u2013 \u010do si vy\u017eaduje lo\u017eisk\u00e1 s kosouhl\u00fdm stykom alebo ku\u017eel\u00edkov\u00e9 lo\u017eisk\u00e1. Ak mus\u00ed by\u0165 ulo\u017een\u00e1 jednoduch\u00e1 (iba radi\u00e1lne lo\u017eisk\u00e1), je lep\u0161ie ni\u017e\u0161ie \u03b2.<\/p>\n<\/div>\n

Nosnos\u0165 \u2013 vy\u0161\u0161ie \u03b2 je lep\u0161ie<\/strong><\/p>\n

Vy\u0161\u0161ia hodnota \u03b5_\u03b3 z vy\u0161\u0161ej hodnoty \u03b2 zlep\u0161uje rozdelenie za\u0165a\u017eenia medzi p\u00e1rmi zubov, \u010d\u00edm sa zni\u017euje maxim\u00e1lne kontaktn\u00e9 nap\u00e4tie na ka\u017edom p\u00e1re zubov a zvy\u0161uje sa menovit\u00e1 kr\u00fatiaca kapacita. Toto zlep\u0161enie sa st\u00e1va zmyslupln\u00fdm nad \u03b5_\u03b2 = 1,0 \u2013 kde je v kontakte aspo\u0148 jeden cel\u00fd \u010fal\u0161\u00ed p\u00e1r zubov.<\/p>\n<\/div>\n

V\u00fdrobn\u00e9 limity \u2013 ni\u017e\u0161ie \u03b2 je jednoduch\u0161ie<\/strong><\/p>\n

Tvarovanie ozuben\u00fdch kolies je typicky obmedzen\u00e9 na \u03b2 \u2264 20\u00b0 pre \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1<\/strong>Odva\u013eovacie fr\u00e9zovanie zvl\u00e1da uhly a\u017e do \u03b2 = 45\u00b0, ale ve\u013emi strm\u00e9 uhly skrutkovice vy\u017eaduj\u00fa ve\u013ek\u00fa kompenz\u00e1ciu uhla st\u00fapania odva\u013eovacej fr\u00e9zy a s\u00fa citlivej\u0161ie na rozdielov\u00fa chybu posuvu. Br\u00fasenie zubov pri \u03b2 > 35\u00b0 vy\u017eaduje \u0161peci\u00e1lnu geometriu br\u00fasneho kot\u00fa\u010da. Ozuben\u00e9 koles\u00e1 s ve\u013emi ve\u013ek\u00fdm modulom (M25+) s\u00fa prakticky obmedzen\u00e9 na \u03b2 \u2264 25\u00b0 dostupnos\u0165ou odva\u013eovac\u00edch fr\u00e9z.<\/p>\n<\/div>\n<\/div>\n

K\u013e\u00fa\u010dov\u00e9 vzorce ako funkcia uhla \u0161pir\u00e1ly<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nVzorec<\/th>\nVplyv zv\u00fd\u0161enia \u03b2<\/th>\n<\/tr>\n<\/thead>\n
Priemer rozstupu<\/td>\nd = Mn \u00d7 z \/ cos \u03b2<\/td>\nV\u00e4\u010d\u0161ie d pre rovnak\u00e9 Mn a z \u2013 ovplyv\u0148uje stredov\u00fa vzdialenos\u0165<\/td>\n<\/tr>\n
Axi\u00e1lny \u0165ah<\/td>\nF_a = F_t \u00d7 tan \u03b2<\/td>\nZvy\u0161uje sa s tan \u03b2 \u2013 neline\u00e1rne, strm\u0161ie nad 25\u00b0<\/td>\n<\/tr>\n
Pomer prekrytia kontaktov<\/td>\n\u03b5_\u03b2 = b \u00d7 sin \u03b2 \/ (\u03c0 \u00d7 Mn)<\/td>\nLine\u00e1rny n\u00e1rast s \u03b2 (pre fixn\u00e9 b a Mn)<\/td>\n<\/tr>\n
Norm\u00e1lny vs. prie\u010dny modul<\/td>\nMt = Mn \/ cos \u03b2<\/td>\nPrie\u010dny modul v\u00e4\u010d\u0161\u00ed ako norm\u00e1lny modul \u2013 ovplyv\u0148uje v\u00fdber fr\u00e9zy<\/td>\n<\/tr>\n
Norm\u00e1lny tlakov\u00fd uhol (zdanliv\u00fd)<\/td>\ntan \u03b1_t = tan \u03b1_n \/ cos \u03b2<\/td>\nPrie\u010dny uhol tlaku sa zvy\u0161uje \u2013 ovplyv\u0148uje limity podrezania zubov<\/td>\n<\/tr>\n
Minim\u00e1lna \u0161\u00edrka tv\u00e1re pre \u03b5_\u03b2 \u2265 1<\/td>\nb_min = \u03c0 \u00d7 Mn \/ sin \u03b2<\/td>\nMinim\u00e1lna \u0161\u00edrka plochy sa zni\u017euje so zvy\u0161uj\u00facim sa \u03b2 \u2013 vy\u0161\u0161ia \u03b2 poskytuje pln\u00fa \u0161pir\u00e1lov\u00fa v\u00fdhodu v krat\u0161ej ploche<\/td>\n<\/tr>\n
Redukcia \u0161umu vs. odbo\u010dka (pribli\u017ene)<\/td>\n\u0394dB \u2248 10 \u00d7 log\u2081\u2080 (1 + \u03b5_\u03b2)<\/td>\n3 dB na zdvojn\u00e1sobenie \u03b5_\u03b2 nad 1 \u2013 klesaj\u00face v\u00fdnosy pri vysokom \u03b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Pravidlo minim\u00e1lnej \u0161\u00edrky tv\u00e1re:<\/strong> Pre \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Aby sa dosiahla pln\u00e1 v\u00fdhoda kontaktn\u00e9ho pomeru dan\u00e9ho uhlom skrutkovice, \u0161\u00edrka \u010delnej plochy mus\u00ed sp\u013a\u0148a\u0165 b \u2265 \u03c0 \u00d7 Mn \/ sin \u03b2 (\u010do d\u00e1va \u03b5_\u03b2 \u2265 1,0). Pri \u03b2 = 20\u00b0 je to b \u2265 \u03c0 \u00d7 Mn \/ sin 20\u00b0 = 9,2 \u00d7 Mn. Pre ozuben\u00e9 koleso M5 je b_min = 46 mm. Ozuben\u00e9 koleso s b < b_min m\u00e1 \u03b5_\u03b2 < 1 a nedosahuje pln\u00e9 rozdelenie za\u0165a\u017eenia medzi p\u00e1ry zubov \u2013 v\u00fdhody z h\u013eadiska hluku a nosnosti sa realizuj\u00fa len \u010diasto\u010dne. Mnoh\u00e9 kon\u0161trukcie ozuben\u00fdch kolies v tomto teste zlyh\u00e1vaj\u00fa, preto\u017ee \u0161\u00edrka \u010delnej plochy bola stanoven\u00e1 obmedzeniami balenia bez overenia, \u010di je uhol skrutkovice dostato\u010dne ve\u013ek\u00fd na to, aby \u0161\u00edrka \u010delnej plochy poskytla \u03b5_\u03b2 \u2265 1.<\/div>\n

\u0160tandardn\u00e9 rozsahy uhlov \u0161pir\u00e1ly pod\u013ea aplik\u00e1cie<\/h2>\n

Tieto rozsahy uhlov \u0161pir\u00e1ly pre \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1<\/strong> predstavuj\u00fa in\u017einiersky konsenzus vyvinut\u00fd po\u010das desa\u0165ro\u010d\u00ed sk\u00fasenost\u00ed s aplik\u00e1ciami. S\u00fa v\u00fdchodiskov\u00fdmi bodmi pre proces v\u00fdberu, nie absol\u00fatnymi po\u017eiadavkami \u2013 \u0161pecifick\u00e9 podmienky pohonu m\u00f4\u017eu od\u00f4vodni\u0165 odch\u00fdlky od \u0161tandardn\u00e9ho rozsahu:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
Aplik\u00e1cia<\/th>\n\u0160tandardn\u00fd rozsah<\/th>\nPrim\u00e1rne obmedzenie<\/th>\nTypick\u00e1 konfigur\u00e1cia<\/th>\n<\/tr>\n<\/thead>\n
V\u0161eobecn\u00e9 priemyseln\u00e9 prevodovky (\u017eeriavy, dopravn\u00edky, \u010derpadl\u00e1)<\/td>\n\u03b2 = 15\u201325\u00b0<\/td>\nRovnov\u00e1ha: zn\u00ed\u017eenie hluku vs. zvl\u00e1dnute\u013en\u00fd axi\u00e1lny posuv s uhlov\u00fdmi lo\u017eiskami<\/td>\nJednotlivec \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong>15\u201325\u00b0<\/td>\n<\/tr>\n
Automobilov\u00e1 manu\u00e1lna \/ DCT prevodovka<\/td>\n\u03b2 = 20\u201332\u00b0<\/td>\nKritick\u00e9 z h\u013eadiska hluku; axi\u00e1lny posuv riaden\u00fd axi\u00e1lnymi plochami synchroniz\u00e1tora a skrine prevodovky<\/td>\nJednoduch\u00e1 \u0161pir\u00e1la, najbe\u017enej\u0161ia 25\u201330\u00b0<\/td>\n<\/tr>\n
Jednor\u00fdchlostn\u00fd reduktor pre elektromobily<\/td>\n\u03b2 = 25\u201335\u00b0<\/td>\nMaxim\u00e1lny kontaktn\u00fd pomer pre hluk v celom rozsahu ot\u00e1\u010dok; axi\u00e1lne lo\u017eisk\u00e1 s kosouhl\u00fdm stykom<\/td>\nJednoduch\u00fd \u0161pir\u00e1lov\u00fd, 25\u201335\u00b0<\/td>\n<\/tr>\n
Vreteno \/ prevodovka posuvu CNC obr\u00e1bacieho stroja<\/td>\n\u03b2 = 20\u201328\u00b0<\/td>\nHluk a presnos\u0165; axi\u00e1lne vych\u00fdlenie vretena pri tlaku mus\u00ed by\u0165 kontrolovan\u00e9<\/td>\nJednoduch\u00e9 \u0161pir\u00e1lov\u00e9, predp\u00e4t\u00e9 axi\u00e1lne lo\u017eisk\u00e1<\/td>\n<\/tr>\n
Zvy\u0161ova\u010d ot\u00e1\u010dok odstrediv\u00e9ho kompresora<\/td>\n\u03b2 = 5\u201315\u00b0<\/td>\nPri ot\u00e1\u010dkach 10 000 \u2013 30 000 ot.\/min. poskytuje mal\u00e9 \u03b2 dostato\u010dn\u00e9 \u03b5_\u03b2; ve\u013ek\u00e9 \u03b2 vy\u017eaduje pri t\u00fdchto r\u00fdchlostiach neprijate\u013ene ve\u013ek\u00fd \u0165ah.<\/td>\nJednoduch\u00e9 \u0161pir\u00e1lov\u00e9, n\u00edzke \u03b2 s pevn\u00fdm axi\u00e1lnym lo\u017eiskom<\/td>\n<\/tr>\n
Hlavn\u00fd lodn\u00fd pohon<\/td>\n\u03b2 = 25\u201335\u00b0 (jednoduch\u00e1); 30\u201342\u00b0 (dvojit\u00e1 \u0161pir\u00e1la)<\/td>\nKritick\u00fd hluk; axi\u00e1lny tlak na lo\u017eisko vrtu\u013eov\u00e9ho hriade\u013ea je kritick\u00fdm obmedzen\u00edm \u2192 dvojit\u00e1 \u0161pir\u00e1la<\/td>\nDvojit\u00e1 \u0161pir\u00e1lov\u00e1 rybia kos\u0165<\/td>\n<\/tr>\n
Pastorok gu\u013eov\u00e9ho mlyna \/ mlyna SAG<\/td>\n\u03b2 = 20\u201330\u00b0 (dvojit\u00e1 \u0161pir\u00e1la)<\/td>\n\u010capov\u00e9 lo\u017eisk\u00e1 nem\u00f4\u017eu zachyti\u0165 axi\u00e1lny tlak \u2192 dvojit\u00e1 \u0161pir\u00e1lov\u00e1 lo\u017eisk\u00e1 s\u00fa povinn\u00e9<\/td>\nDvojit\u00e1 \u0161pir\u00e1la<\/td>\n<\/tr>\n
Dokon\u010dovacia stolica valcovne<\/td>\n\u03b2 = 20\u201325\u00b0<\/td>\nVysok\u00e1 r\u00fdchlos\u0165 na \u010diare rozstupu (12 \u2013 25 m\/s) vy\u017eaduje br\u00fasenie pod\u013ea DIN triedy 5 \u2013 6; mierne \u03b2 pre zvl\u00e1dnute\u013en\u00e9 axi\u00e1lne za\u0165a\u017eenie<\/td>\nJednoduch\u00e9 \u0161pir\u00e1lov\u00e9, br\u00fasen\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Postupn\u00fd v\u00fdber uhla \u0161pir\u00e1ly<\/h2>\n
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1<\/div>\n
Ur\u010dte v\u00e4zbov\u00e9 obmedzenia pre \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong><\/strong><\/p>\n

Je potrebn\u00e9 tvarovanie (s obmedzen\u00edm ramena alebo s vn\u00fatorn\u00fdm ozuben\u00fdm kolesom)? Ak \u00e1no: maxim\u00e1lne \u03b2 \u2264 20\u00b0. Je ozuben\u00e9 koleso v gu\u013eovom mlyne, vrtuli alebo inom syst\u00e9me s nulov\u00fdm axi\u00e1lnym \u0165ahom? Ak \u00e1no: povinn\u00e1 dvojit\u00e1 \u0161pir\u00e1la, \u03b2 = 25\u201340\u00b0. Je potrebn\u00fd modul M25+ a profilov\u00e9 fr\u00e9zovanie? Ak \u00e1no: prakticky \u03b2 \u2264 20\u00b0. Tieto obmedzenia stanovuj\u00fa povolen\u00fd rozsah pred akouko\u013evek optimaliz\u00e1ciou.<\/p>\n<\/div>\n<\/div>\n

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2<\/div>\n
Skontrolujte minimum \u03b2 pre \u03b5_\u03b2 \u2265 1<\/strong><\/p>\n

Vypo\u010d\u00edtajte \u0161\u00edrku \u010dela b z obmedzen\u00ed balenia. Potom: \u03b2_min pre \u03b5_\u03b2 = 1 je \u03b2 = arcsin(\u03c0 \u00d7 Mn \/ b). Ak je dostupn\u00e1 \u0161\u00edrka \u010dela pr\u00edli\u0161 \u00fazka na to, aby sa dosiahlo \u03b5_\u03b2 \u2265 1 pri akomko\u013evek praktickom \u03b2, zv\u00e4\u010d\u0161ite \u0161\u00edrku \u010dela, ak je to mo\u017en\u00e9, alebo akceptujte \u010diasto\u010dn\u00fa v\u00fdhodu \u0161pir\u00e1ly (\u03b5_\u03b2 = 0,5\u20131,0, st\u00e1le lep\u0161ie ako ostr\u00e9).<\/p>\n<\/div>\n<\/div>\n

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3<\/div>\n
Nastavte cie\u013e \u0161umu a overte, \u010di je uhol \u0161pir\u00e1ly dostato\u010dn\u00fd<\/strong><\/p>\n

Ak je \u0161pecifikovan\u00fd \u0161pecifick\u00fd cie\u013e hluku (dB(A) na \u00farovni ucha osoby, ktor\u00e1 sa uch\u00e1dza o vozidlo, alebo limit amplit\u00fady TE): pou\u017eite tabu\u013eku kontaktn\u00e9ho pomeru oproti hluku z predch\u00e1dzaj\u00facej \u010dasti \u010dl\u00e1nku, aby ste potvrdili, \u017ee \u03b2 a b poskytuj\u00fa dostato\u010dn\u00fa hodnotu \u03b5_\u03b3. Ak nie, zvy\u0161ujte \u03b2, k\u00fdm nie je splnen\u00fd cie\u013e hluku \u2013 potom skontrolujte axi\u00e1lny tlak pri novom \u03b2.<\/p>\n<\/div>\n<\/div>\n

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4<\/div>\n
Vypo\u010d\u00edtajte axi\u00e1lny tlak F_a pre \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> a overi\u0165 \u00fanosnos\u0165<\/strong><\/p>\n

F_a = F_t \u00d7 tan \u03b2. Je F_a v r\u00e1mci kapacity pl\u00e1novan\u00e9ho uhlov\u00e9ho lo\u017eiska pri po\u017eadovanej \u017eivotnosti L10? Ak \u00e1no: pokra\u010dujte. Ak nie: bu\u010f zn\u00ed\u017ete \u03b2 (s prijat\u00edm men\u0161ieho zn\u00ed\u017eenia hluku), vyme\u0148te za \u0165a\u017e\u0161ie axi\u00e1lne lo\u017eisko alebo \u0161pecifikujte dvojit\u00e9 \u0161pir\u00e1lov\u00e9 lo\u017eisko, aby ste \u00faplne eliminovali axi\u00e1lny posuv.<\/p>\n<\/div>\n<\/div>\n

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5<\/div>\n
Pred fin\u00e1lnou vo\u013ebou overte uhol skrutkovice s v\u00fdrobcom ozuben\u00e9ho kolesa.<\/strong><\/p>\n

Spolo\u010dnos\u0165 Korea Ever-Power kontroluje v\u00fdber uhla skrutkovice ako s\u00fa\u010das\u0165 \u0161tandardn\u00e9ho procesu cenovej ponuky \u2013 potvrdzuje, \u017ee zvolen\u00e1 hodnota \u03b2 je dosiahnute\u013en\u00e1 s dostupnou odva\u013eovacou fr\u00e9zou alebo br\u00fasnym kot\u00fa\u010dom, \u017ee \u0161\u00edrka \u010dela poskytuje dostato\u010dn\u00e9 \u03b5_\u03b2 a \u017ee axi\u00e1lny posun pri zvolenej hodnote \u03b2 je v r\u00e1mci mo\u017enost\u00ed lo\u017eiskov\u00e9ho usporiadania. T\u00e1to kontrola odhal\u00ed chyby e\u0161te predt\u00fdm, ako sa zapo\u010d\u00edtaj\u00fa n\u00e1klady na n\u00e1stroje a v\u00fdrobu.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

Be\u017en\u00e9 chyby pri v\u00fdbere uhla \u0161pir\u00e1ly<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
Chyba<\/th>\nD\u00f4sledok<\/th>\nSpr\u00e1vny pr\u00edstup<\/th>\n<\/tr>\n<\/thead>\n
Vo\u013eba \u03b2 = 20\u00b0 ako predvolen\u00e9ho uhla bez kontroly \u0161\u00edrky plochy<\/td>\nAk b < 9,2 \u00d7 Mn, \u03b5_\u03b2 < 1 \u2013 iba \u010diasto\u010dn\u00e1 helik\u00e1lna v\u00fdhoda; skuto\u010dn\u00fd \u0161um je vy\u0161\u0161\u00ed ako o\u010dak\u00e1van\u00fd<\/td>\nSkontrolujte \u03b5_\u03b2 = b sin \u03b2 \/ (\u03c0 Mn) \u2265 1,0 pre pln\u00fa v\u00fdhodu<\/td>\n<\/tr>\n
Zv\u00fd\u0161enie \u03b2 pre v\u00e4\u010d\u0161\u00ed hluk bez prepo\u010d\u00edtavania axi\u00e1lneho tlaku<\/td>\nPoddimenzovan\u00e9 uhlov\u00e9 lo\u017eisk\u00e1; pred\u010dasn\u00e9 zlyhanie lo\u017eiska 6 \u2013 18 mesiacov po in\u0161tal\u00e1cii<\/td>\nPrepo\u010d\u00edtajte F_a = F_t \u00d7 tan \u03b2 pri novom \u03b2; overte pomer lo\u017eiska C\/P \u00d7 (L10\/33,333)^0,3<\/td>\n<\/tr>\n
Pou\u017eitie \u03b2 = 30\u00b0+ v ozubenom kolese s obmedzen\u00fdm ramenom, ktor\u00e9 vy\u017eaduje tvarovanie<\/td>\nTvarovanie nie je mo\u017en\u00e9 na \u0161tandardn\u00fdch strojoch reza\u0165 s uhlom \u03b2 > 20\u00b0; bu\u010f to nie je mo\u017en\u00e9, alebo si to vy\u017eaduje \u0161peci\u00e1lne vybavenie<\/td>\nNajprv overte postup spracovania; ak je potrebn\u00e9 tvarovanie, \u03b2 \u2264 20\u00b0<\/td>\n<\/tr>\n
Zadanie rovnak\u00e9ho \u03b2 pre p\u00e1r ozuben\u00fdch kolies bez kontroly skrutkovit\u00e9ho ru\u010dne veden\u00e9ho ozuben\u00e9ho kolesa<\/td>\nObe ozuben\u00e9 koles\u00e1 maj\u00fa rovnak\u00fa skrutkovicu \u2192 \u017eiadny konjugovan\u00fd \u00fa\u010dinok; ozuben\u00e9 koles\u00e1 nem\u00f4\u017eu zabera\u0165<\/td>\n\u0160pecifikujte proti\u013eahl\u00e9 ramen\u00e1 \u0161pir\u00e1ly: prav\u00e9 pastorok zaber\u00e1 s \u013eav\u00fdm ozuben\u00fdm kolesom; overte na v\u00fdkrese<\/td>\n<\/tr>\n
Za predpokladu, \u017ee vy\u0161\u0161ia hodnota \u03b2 v\u017edy zni\u017euje \u0161um za v\u0161etk\u00fdch podmienok<\/td>\nVe\u013emi vysok\u00e9 \u03b2 s nedostato\u010dnou \u0161\u00edrkou tv\u00e1re v skuto\u010dnosti zni\u017euje \u03b5_\u03b2 v porovnan\u00ed s ni\u017e\u0161\u00edm \u03b2 s v\u00e4\u010d\u0161ou \u0161\u00edrkou tv\u00e1re.<\/td>\nOptimalizujte \u03b2 a b spolu: \u03b5_\u03b2 z\u00e1vis\u00ed od oboch. Rovnak\u00e9 \u03b5_\u03b2 mo\u017eno dosiahnu\u0165 r\u00f4znymi kombin\u00e1ciami \u03b2\/b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Korea Ever-Power \u2014 Konzult\u00e1cia o uhle Helix ako s\u00fa\u010das\u0165 ka\u017edej po\u017eiadavky<\/h2>\n

\"\u0160pir\u00e1lov\u00e9<\/p>\n

Uhol \u0161pir\u00e1ly t\u00fdchto rovnobe\u017en\u00fdch os\u00ed \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1<\/strong> \u2014 vidite\u013en\u00fd ako uhol \u0161ikm\u00e9ho zuba na \u010dele ozuben\u00e9ho kolesa \u2014 je jedin\u00fd parameter, ktor\u00fd mus\u00ed by\u0165 spr\u00e1vne zvolen\u00fd pred v\u00fdberom modulu, materi\u00e1lu alebo triedy presnosti ozuben\u00e9ho kolesa \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> je \u0161pecifikovan\u00e9<\/p>\n

In\u017einiersky t\u00edm spolo\u010dnosti Korea Ever-Power kontroluje v\u00fdber uhlov \u0161pir\u00e1ly pre ka\u017ed\u00fd... ozuben\u00e9 koleso so \u0161pir\u00e1lov\u00fdm rezom<\/a> dopyt \u2013 potvrdenie primeranosti \u03b5_\u03b2, po\u017eiadaviek na axi\u00e1lne axi\u00e1lne lo\u017eisk\u00e1 a kompatibility v\u00fdrobnej trasy bez dodato\u010dn\u00fdch n\u00e1kladov. Ako priamy v\u00fdrobca \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies<\/a>Spolo\u010dnos\u0165 Korea Ever-Power vyr\u00e1ba ozuben\u00e9 koles\u00e1 v celom rozsahu uhlov skrutkovice od n\u00edzkotlakov\u00fdch kompresorov\u00fdch ozuben\u00fdch kolies \u03b2 = 5\u00b0 a\u017e po dvoj\u0161pir\u00e1lov\u00e9 lodn\u00e9 pohony \u03b2 = 42\u00b0, pri\u010dom v\u0161etky medzi\u013eahl\u00e9 \u0161tandardn\u00e9 uhly s\u00fa dostupn\u00e9 ako \u0161tandardn\u00e9 v\u00fdrobn\u00e9 polo\u017eky.<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
Ak\u00fd je \u201e\u0161tandardn\u00fd\u201c uhol \u0161pir\u00e1ly a pre\u010do v\u00e4\u010d\u0161ina priemyseln\u00fdch ozuben\u00fdch kolies pou\u017e\u00edva 15\u201325\u00b0?<\/strong><\/p>\n

Neexistuje jedin\u00fd \u201e\u0161tandardn\u00fd\u201c uhol skrutkovice pre \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> \u2014 rozsah 15\u201325\u00b0 sa uk\u00e1zal ako praktick\u00e9 optimum pre v\u0161eobecn\u00e9 priemyseln\u00e9 pohony s paraleln\u00fdmi hriade\u013emi, preto\u017ee poskytuje v\u00fdrazn\u00e9 zn\u00ed\u017eenie hluku (5\u201310 dB(A) v porovnan\u00ed s \u010deln\u00fdmi ozuben\u00fdmi kolesami), primeran\u00e9 zlep\u0161enie kontaktn\u00e9ho pomeru (\u03b5_\u03b3 = 2,0\u20133,5) a zvl\u00e1dnute\u013en\u00fd axi\u00e1lny tlak, ktor\u00fd dok\u00e1\u017eu \u0161tandardn\u00e9 lo\u017eisk\u00e1 s kosouhl\u00fdm stykom absorbova\u0165 z \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> pohon v r\u00e1mci rozumn\u00e9ho rozsahu rozmerov lo\u017eiska. Pod \u03b2 = 15\u00b0 je v\u00fdhoda z h\u013eadiska hluku mierna a sotva od\u00f4vod\u0148uje \u0161pecifik\u00e1ciu uhla skrutkovice v porovnan\u00ed s \u010deln\u00fdm ozuben\u00fdm kolesom. Nad \u03b2 = 25\u00b0 sa axi\u00e1lna sila st\u00e1va podstatnou (nad 50% F_t) a ulo\u017een\u00e1 lo\u017eisk\u00e1 musia by\u0165 \u0161pecificky navrhnut\u00e9, a nie vybran\u00e9 zo \u0161tandardn\u00e9ho katal\u00f3gu. Rozsah 15\u201325\u00b0 je preto z\u00f3nou, ktor\u00e1 prin\u00e1\u0161a najv\u00e4\u010d\u0161\u00ed \u00fa\u017eitok pri rozumnej zlo\u017eitosti n\u00e1vrhu syst\u00e9mu.<\/p>\n<\/div>\n

M\u00f4\u017ee v\u00e4\u010d\u0161\u00ed uhol \u0161pir\u00e1ly kompenzova\u0165 u\u017e\u0161iu \u0161\u00edrku plochy?<\/strong><\/p>\n

\u010ciasto\u010dne. Pomer prekrytia kontaktu \u03b5_\u03b2 = b \u00d7 sin \u03b2 \/ (\u03c0 \u00d7 Mn) ukazuje, \u017ee b aj \u03b2 prispievaj\u00fa k \u03b5_\u03b2. Ozuben\u00e9 koleso s \u03b2 = 30\u00b0 a b = 1,0 \u00d7 d d\u00e1va rovnak\u00e9 \u03b5_\u03b2 ako \u03b2 = 20\u00b0 a b = 1,5 \u00d7 d. Tak\u017ee \u00e1no, vy\u0161\u0161ie \u03b2 m\u00f4\u017ee \u010diasto\u010dne nahradi\u0165 \u0161\u00edrku \u010delnej plochy. Nev\u00fdhodou je v\u0161ak v\u00e4\u010d\u0161\u00ed axi\u00e1lny tlak pri \u03b2 = 30\u00b0 (tan 30\u00b0 = 0,577) oproti \u03b2 = 20\u00b0 (tan 20\u00b0 = 0,364) \u2013 v\u00e4\u010d\u0161\u00ed tlak pri rovnakom zlep\u0161en\u00ed \u03b5_\u03b2. Vo\u013eba medzi zv\u00fd\u0161en\u00edm \u03b2 alebo zv\u00fd\u0161en\u00edm b z\u00e1vis\u00ed od toho, \u010do je v konkr\u00e9tnej aplik\u00e1cii lacnej\u0161ie: v\u00e4\u010d\u0161ia \u0161\u00edrka \u010delnej plochy zvy\u0161uje ve\u013ekos\u0165 a hmotnos\u0165 ozuben\u00e9ho kolesa a puzdra; v\u00e4\u010d\u0161\u00ed uhol skrutkovice zvy\u0161uje po\u017eiadavky na axi\u00e1lnu \u00fanosnos\u0165 a n\u00e1klady.<\/p>\n<\/div>\n

Ako ovplyv\u0148uje uhol skrutkovice prevodov\u00fd pomer v p\u00e1rovanej dvojici?<\/strong><\/p>\n

Uhol skrutkovice neovplyv\u0148uje prevodov\u00fd pomer, ktor\u00fd je \u00faplne ur\u010den\u00fd pomerom po\u010dtu zubov: i = z\u2082 \/ z\u2081. \u03b2 ovplyv\u0148uje vzdialenos\u0165 os\u00ed pre dan\u00fd modul a po\u010det zubov: C = Mn \u00d7 (z\u2081 + z\u2082) \/ (2 \u00d7 cos \u03b2). Zmena \u03b2 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Pri zachovan\u00ed rovnak\u00fdch hodn\u00f4t Mn a z sa men\u00ed stredov\u00e1 vzdialenos\u0165. Ak m\u00e1 puzdro pevn\u00fa stredov\u00fa vzdialenos\u0165 (situ\u00e1cia s n\u00e1hradn\u00fdm ozuben\u00fdm kolesom), uhol sklonu \u0161pir\u00e1ly nov\u00e9ho ozuben\u00e9ho kolesa mus\u00ed by\u0165 prisp\u00f4soben\u00fd tak, aby sa dosiahla rovnak\u00e1 stredov\u00e1 vzdialenos\u0165 \u2013 \u010do m\u00f4\u017ee obmedzi\u0165 povolen\u00fa zmenu \u03b2 v porovnan\u00ed s p\u00f4vodn\u00fdm ozuben\u00fdm kolesom. In\u017einieri spolo\u010dnosti Korea Ever-Power overuj\u00fa kompatibilitu stredovej vzdialenosti ako s\u00fa\u010das\u0165 procesu \u0161pecifik\u00e1cie n\u00e1hradn\u00e9ho ozuben\u00e9ho kolesa.<\/p>\n<\/div>\n

Existuje maxim\u00e1lny praktick\u00fd uhol skrutkovice pre odva\u013eovanie na \u0161tandardnom CNC odva\u013eovacom stroji?<\/strong><\/p>\n

Praktick\u00fd limit pre CNC odva\u013eovanie ozuben\u00fdch kolies je pribli\u017ene \u03b2 = 45\u00b0, za ktor\u00fdm je \u0165a\u017ek\u00e9 presne dosiahnu\u0165 korekciu uhla n\u00e1behu odva\u013eovacej fr\u00e9zy a diferenci\u00e1lny posuv. V praxi je \u03b2 > 38\u00b0 pre odva\u013eovanie nezvy\u010dajn\u00e9. \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1<\/strong> \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1<\/strong> preto\u017ee \u0161\u00edrka \u010dela potrebn\u00e1 na dosiahnutie \u03b5_\u03b2 \u2265 1,0 pri ve\u013emi vysok\u00fdch uhloch \u0161pir\u00e1ly sa st\u00e1va ve\u013emi malou (b_min = \u03c0 \u00d7 Mn \/ sin 38\u00b0 = 5,1 \u00d7 Mn pre \u03b2 = 38\u00b0, oproti 9,2 \u00d7 Mn pre \u03b2 = 20\u00b0). Jednoduch\u00e1 \u0161pir\u00e1la \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1<\/strong> nad \u03b2 = 35\u00b0 s\u00fa takmer v\u00fdlu\u010dne dvoj\u0161pir\u00e1lov\u00e9 kon\u0161trukcie v tvare rybej kosti, kde je vysok\u00fd uhol \u0161pir\u00e1ly \u0161pecificky potrebn\u00fd pre maxim\u00e1lne zn\u00ed\u017eenie hluku v n\u00e1morn\u00fdch alebo lodn\u00fdch aplik\u00e1ci\u00e1ch.<\/p>\n<\/div>\n

\n

Potvr\u010fte uhol \u0161pir\u00e1ly pre va\u0161u aplik\u00e1ciu \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa<\/h2>\n

Uve\u010fte cie\u013eov\u00fa hodnotu hluku, \u0161\u00edrku \u010dela, usporiadanie lo\u017e\u00edsk a konfigur\u00e1ciu ozuben\u00e9ho kolesa. Technick\u00fd t\u00edm spolo\u010dnosti Korea Ever-Power potvrd\u00ed spr\u00e1vnu hodnotu \u03b2, vypo\u010d\u00edta \u03b5_\u03b2 a F_a a over\u00ed kompatibilitu v\u00fdrobnej trasy \u2013 ako \u0161tandardn\u00fa s\u00fa\u010das\u0165 procesu cenovej ponuky bez dodato\u010dn\u00fdch n\u00e1kladov.<\/p>\n

Vy\u017eiadajte si konzult\u00e1ciu o uhle skrutkovice<\/a>
\nSortiment \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies<\/a><\/div>\n

\u03b2 = 5\u00b0 a\u017e \u03b2 = 42\u00b0 \u00b7 Jednoduch\u00e1 a dvojit\u00e1 \u0161pir\u00e1la \u00b7 Overenie \u03b5_\u03b2 a F_a na z\u00e1klade vzorca \u00b7 Minim\u00e1lne objedn\u00e1vacie mno\u017estvo 1 kus<\/p>\n<\/div>\n

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

Ako vybra\u0165 spr\u00e1vny uhol skrutkovice \u2013 Podrobn\u00fd n\u00e1vod na n\u00e1vrh \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa Uhol skrutkovice je jedin\u00fd parameter, ktor\u00fd najviac ur\u010duje hladinu hluku, nosnos\u0165, axi\u00e1lny tlak a v\u00fdrobn\u00e9 limity \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa \u2013 \u010dasto sa v\u0161ak vol\u00ed kop\u00edrovan\u00edm z predch\u00e1dzaj\u00faceho n\u00e1vrhu alebo v\u00fdberom \u201e20\u00b0, preto\u017ee to je \u0161tandard\u201c. T\u00e1to pr\u00edru\u010dka [\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-2273","post","type-post","status-publish","format-standard","hentry","category-helical-gears"],"_links":{"self":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2273","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=2273"}],"version-history":[{"count":2,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2273\/revisions"}],"predecessor-version":[{"id":2275,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2273\/revisions\/2275"}],"wp:attachment":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/media?parent=2273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/categories?post=2273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/tags?post=2273"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}