{"id":11168,"date":"2025-09-22T13:39:51","date_gmt":"2025-09-22T05:39:51","guid":{"rendered":"https:\/\/www.ptsmake.com\/?p=11168"},"modified":"2025-09-22T13:39:51","modified_gmt":"2025-09-22T05:39:51","slug":"spur-gears-vs-helical-gears-the-ultimate-guide-for-design-engineers","status":"publish","type":"post","link":"https:\/\/www.ptsmake.com\/sk\/spur-gears-vs-helical-gears-the-ultimate-guide-for-design-engineers\/","title":{"rendered":"\u010celn\u00e9 ozuben\u00e9 koles\u00e1 vs. \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1: Kone\u010dn\u00fd sprievodca pre kon\u0161trukt\u00e9rov"},"content":{"rendered":"

Prepracov\u00e1vate prevodov\u00fd syst\u00e9m a \u010deln\u00e9 ozuben\u00e9 koles\u00e1 sp\u00f4sobuj\u00fa neprijate\u013en\u00fa hladinu hluku. \u010casov\u00fd harmonogram projektu je nap\u00e4t\u00fd, rozpo\u010det obmedzen\u00fd a prechod na \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 znamen\u00e1 prepracovanie cel\u00e9ho lo\u017eiskov\u00e9ho syst\u00e9mu a skrine.<\/p>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 maj\u00fa priame zuby rovnobe\u017en\u00e9 s osou hriade\u013ea, zatia\u013e \u010do \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 maj\u00fa \u0161ikm\u00e9 zuby, ktor\u00e9 vytv\u00e1raj\u00fa \u0161pir\u00e1lu po obvode ozuben\u00e9ho kolesa. Tento z\u00e1sadn\u00fd rozdiel ovplyv\u0148uje v\u0161etko od \u00farovne hluku a nosnosti a\u017e po v\u00fdrobn\u00e9 n\u00e1klady a po\u017eiadavky na lo\u017eisk\u00e1.<\/strong><\/p>\n

\"Porovnanie
Porovnanie kon\u0161trukcie \u010deln\u00fdch ozuben\u00fdch kolies a \u0161ikm\u00fdch ozuben\u00fdch kolies<\/figcaption><\/figure>\n<\/p>\n

Pri svojej pr\u00e1ci v spolo\u010dnosti PTSMAKE som in\u017einierom pom\u00e1hal pri rozhodovan\u00ed u\u017e desiatky kr\u00e1t. Ka\u017ed\u00fd typ prevodovky m\u00e1 \u0161pecifick\u00e9 prednosti, ktor\u00e9 ho robia ide\u00e1lnym pre ur\u010dit\u00e9 aplik\u00e1cie. Tento sprievodca v\u00e1s prevedie technick\u00fdmi rozdielmi, kompromismi v oblasti v\u00fdkonu a krit\u00e9riami v\u00fdberu, aby v\u00e1m pomohol urobi\u0165 spr\u00e1vny v\u00fdber pre v\u00e1\u0161 projekt.<\/p>\n

Ak\u00e1 je z\u00e1kladn\u00e1 geometria definuj\u00faca zub \u010deln\u00e9ho ozuben\u00e9ho kolesa?<\/h2>\n

Tajomstvo v\u00fdkonu \u010deln\u00e9ho ozuben\u00e9ho kolesa nespo\u010d\u00edva len v jeho tvare, ale vo ve\u013emi \u0161pecifickej krivke. T\u00e1to krivka je z\u00e1kladom jeho kon\u0161trukcie.<\/p>\n

Profil Involute<\/h3>\n

Z\u00e1kladom profilu zubov modern\u00e9ho \u010deln\u00e9ho ozuben\u00e9ho kolesa je invol\u00fatna krivka. Predstavte si to ako odv\u00edjanie struny z valca.<\/p>\n

T\u00e1to \u0161pecifick\u00e1 geometria je k\u013e\u00fa\u010dov\u00e1. Zabezpe\u010duje, \u017ee pri zauzlen\u00ed ozuben\u00fdch kolies zost\u00e1va r\u00fdchlos\u0165 ot\u00e1\u010dania dokonale kon\u0161tantn\u00e1. T\u00fdm sa zabr\u00e1ni trhaniu a nerovnomern\u00e9mu toku v\u00fdkonu.<\/p>\n\n\n\n\n\n\n\n
Funkcia geometrie<\/th>\n\u00da\u010del<\/th>\n<\/tr>\n<\/thead>\n
Invol\u00fatna krivka<\/td>\nPomer kon\u0161tantnej r\u00fdchlosti<\/td>\n<\/tr>\n
Rovn\u00fd zub<\/td>\nAxi\u00e1lny prenos energie<\/td>\n<\/tr>\n
Spr\u00e1vne rozmiestnenie<\/td>\nHladk\u00e9 zapojenie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Detailn\u00fd
Invol\u00fatny profil zubov \u010deln\u00e9ho ozuben\u00e9ho kolesa<\/figcaption><\/figure>\n<\/p>\n

Ako syst\u00e9m Involute zabezpe\u010duje plynul\u00fa prev\u00e1dzku<\/h3>\n

Tvar invol\u00facie nie je \u013eubovo\u013en\u00fd. Je to presn\u00fd matematick\u00fd profil navrhnut\u00fd z jedn\u00e9ho hlavn\u00e9ho d\u00f4vodu: aby sa zachoval kon\u0161tantn\u00fd r\u00fdchlostn\u00fd pomer medzi ozuben\u00fdmi kolesami. Ide o neoddiskutovate\u013en\u00fd princ\u00edp pre \u00fa\u010dinn\u00fd prenos v\u00fdkonu.<\/p>\n

K\u00fazlo oby\u010dajn\u00e9ho norm\u00e1lu<\/h4>\n

Ke\u010f sa dva zuby ozuben\u00e9ho kolesa dot\u00fdkaj\u00fa, spolo\u010dn\u00e1 norm\u00e1la (\u010diara kolm\u00e1 na plochy v mieste dotyku) v\u017edy prech\u00e1dza pevn\u00fdm bodom. Tento pevn\u00fd bod sa naz\u00fdva rozstupov\u00fd bod.<\/p>\n

T\u00e1to konzistentn\u00e1 geometria zabezpe\u010duje, \u017ee hnac\u00ed prevod tla\u010d\u00ed na hnan\u00fd prevod rovnomernou r\u00fdchlos\u0165ou. Po\u010das z\u00e1beru nedoch\u00e1dza k zr\u00fdchleniu ani spomaleniu. Toto je k\u013e\u00fa\u010dov\u00fd rozdiel pri porovn\u00e1van\u00ed \u010deln\u00e9 ozuben\u00e9 koles\u00e1 vs. \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1<\/code>, preto\u017ee obidve sa spoliehaj\u00fa na tento princ\u00edp hladk\u00e9ho fungovania.<\/p>\n

Invol\u00fatna krivka je vytvoren\u00e1 z z\u00e1kladn\u00fd kruh<\/a>1<\/a><\/sup>. Ve\u013ekos\u0165 tohto kruhu m\u00e1 z\u00e1sadn\u00fd v\u00fdznam pre kone\u010dn\u00fd tvar zuba a jeho v\u00fdkonnostn\u00e9 charakteristiky. Pri na\u0161ej pr\u00e1ci v spolo\u010dnosti PTSMAKE je spr\u00e1vna geometria rozhoduj\u00faca pre vysoko presn\u00e9 s\u00fa\u010diastky, na ktor\u00fdch s\u00fa na\u0161i klienti z\u00e1visl\u00ed.<\/p>\n\n\n\n\n\n\n\n
Aspekt dizajnu<\/th>\nD\u00f4sledok invol\u00fatnej geometrie<\/th>\n<\/tr>\n<\/thead>\n
Kontaktn\u00e9 miesto<\/strong><\/td>\nPohybuje sa pozd\u013a\u017e \u010dela zuba<\/td>\n<\/tr>\n
Ak\u010dn\u00e1 l\u00ednia<\/strong><\/td>\nZost\u00e1va kon\u0161tantn\u00fd a dot\u00fdka sa oboch z\u00e1kladn\u00fdch kru\u017en\u00edc<\/td>\n<\/tr>\n
Pomer r\u00fdchlosti<\/strong><\/td>\nZost\u00e1va kon\u0161tantn\u00fd v celej sieti<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Z\u00e1kladnou geometriou pre zub \u010deln\u00e9ho ozuben\u00e9ho kolesa je krivka invol\u00facie. Tento \u0161pecifick\u00fd profil je nevyhnutn\u00fd na dosiahnutie kon\u0161tantn\u00e9ho r\u00fdchlostn\u00e9ho pomeru, ktor\u00fd zaru\u010duje plynul\u00fd, spo\u013eahliv\u00fd a \u00fa\u010dinn\u00fd prenos v\u00fdkonu medzi ozuben\u00fdmi kolesami.<\/p>\n

Ako uhol \u0161pir\u00e1ly z\u00e1sadne men\u00ed charakter prevodovky?<\/h2>\n

Uhol \u0161pir\u00e1ly je najd\u00f4le\u017eitej\u0161ou vlastnos\u0165ou. Odde\u013euje \u0161ikm\u00fd prevod od \u010deln\u00e9ho prevodu. Nie je to len vizu\u00e1lne vylep\u0161enie.<\/p>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 maj\u00fa rovn\u00e9 zuby. Zabehn\u00fa naraz po celej svojej ploche. Vznik\u00e1 tak n\u00e1hly kontakt l\u00ednia na l\u00edniu.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 so \u0161ikm\u00fdmi zubami sa zap\u00e1jaj\u00fa inak. Kontakt sa za\u010d\u00edna na jednom konci zuba. Pri ot\u00e1\u010dan\u00ed ozuben\u00e9ho kolesa sa potom plynule pohybuje po jeho \u010dele.<\/p>\n

K\u013e\u00fa\u010dom k \u00faspechu je postupn\u00e9 zap\u00e1janie.<\/p>\n\n\n\n\n\n\n\n
Funkcia<\/th>\n\u010celn\u00e9 ozuben\u00e9 koleso<\/th>\n\u0160ikm\u00fd prevod<\/th>\n<\/tr>\n<\/thead>\n
Vyrovnanie zubov<\/td>\nPriamo<\/td>\nUhlov\u00e9 (Helix Angle)<\/td>\n<\/tr>\n
Prvotn\u00fd kontakt<\/td>\nKompletn\u00e1 ponuka<\/td>\nKontaktn\u00e9 miesto<\/td>\n<\/tr>\n
\u0160t\u00fdl z\u00e1snub<\/td>\nN\u00e1hle<\/td>\nPostupn\u00e9 a plynul\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Porovnanie
Porovnanie \u010deln\u00e9ho a \u0161ikm\u00e9ho ozuben\u00e9ho kolesa<\/figcaption><\/figure>\n<\/p>\n

Mechanizmus postupn\u00e9ho zapojenia<\/h3>\n

Tento proces postupn\u00e9ho prep\u00e1jania v\u0161etko men\u00ed. Na rozdiel od n\u00e1hleho n\u00e1razu \u010deln\u00fdch ozuben\u00fdch kolies sa \u0161ikm\u00e9 zuby pos\u00favaj\u00fa na svoje miesto. Za\u0165a\u017eenie p\u00f4sob\u00ed postupne, nie naraz. T\u00fdm sa v\u00fdrazne zni\u017euj\u00fa n\u00e1razy a vibr\u00e1cie.<\/p>\n

V\u00fdsledkom je ove\u013ea tich\u0161ia prev\u00e1dzka. To je hlavn\u00fd d\u00f4vod, pre\u010do kon\u0161trukt\u00e9ri uprednost\u0148uj\u00fa \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 pred \u010deln\u00fdmi. V minul\u00fdch projektoch spolo\u010dnosti PTSMAKE sa prechodom na \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 zn\u00ed\u017eila prev\u00e1dzkov\u00e1 hlu\u010dnos\u0165 o cite\u013en\u00fa rezervu. To m\u00e1 z\u00e1sadn\u00fd v\u00fdznam pre zdravotn\u00edcke zariadenia a spotrebn\u00fa elektroniku.<\/p>\n

Tento \u0161ikm\u00fd kontakt v\u0161ak sp\u00f4sobuje ved\u013eaj\u0161\u00ed \u00fa\u010dinok. Vytv\u00e1ra axi\u00e1lny \u0165ah<\/a>2<\/a><\/sup>, sila rovnobe\u017en\u00e1 s osou ozuben\u00e9ho kolesa. T\u00e1to sila v \u010deln\u00fdch ozuben\u00fdch koles\u00e1ch neexistuje a mus\u00ed sa riadi\u0165. Spr\u00e1vny v\u00fdber lo\u017eiska je nevyhnutn\u00fd na zvl\u00e1dnutie tohto za\u0165a\u017eenia a zabr\u00e1nenie pred\u010dasn\u00e9mu zlyhaniu.<\/p>\n

Jadrom diskusie o \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch je tento kompromis.<\/p>\n\n\n\n\n\n\n\n
Aspekt anga\u017eovanosti<\/th>\nV\u00fdhoda<\/th>\nNev\u00fdhoda<\/th>\n<\/tr>\n<\/thead>\n
Postupn\u00fd kontakt<\/td>\nHlad\u0161ia a tich\u0161ia prev\u00e1dzka<\/td>\nVytv\u00e1ra axi\u00e1lny \u0165ah<\/td>\n<\/tr>\n
\u0160ikm\u00e9 zuby<\/td>\nVy\u0161\u0161\u00ed celkov\u00fd pomer kontaktov<\/td>\nVy\u017eaduje robustn\u00e9 lo\u017eisk\u00e1<\/td>\n<\/tr>\n
Rozlo\u017eenie n\u00e1kladu<\/td>\nZv\u00fd\u0161en\u00e1 nosnos\u0165<\/td>\nZlo\u017eitej\u0161ia v\u00fdroba<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Zmena v rozlo\u017een\u00ed za\u0165a\u017eenia<\/h3>\n

Tento postupn\u00fd z\u00e1ber tie\u017e znamen\u00e1, \u017ee za\u0165a\u017eenie je v ka\u017edom okamihu rozdelen\u00e9 na viacero zubov. To je v kontraste s \u010deln\u00fdmi ozuben\u00fdmi kolesami, kde cel\u00e9 za\u0165a\u017eenie zn\u00e1\u0161a jeden alebo dva zuby. T\u00e1to schopnos\u0165 rozdeli\u0165 za\u0165a\u017eenie umo\u017e\u0148uje \u0161ikm\u00fdm ozuben\u00fdm koles\u00e1m zn\u00e1\u0161a\u0165 v\u00e4\u010d\u0161ie za\u0165a\u017eenie a ma\u0165 dlh\u0161iu \u017eivotnos\u0165.<\/p>\n

Uhol \u0161pir\u00e1ly z\u00e1sadne men\u00ed kontakt ozuben\u00e9ho kolesa z n\u00e1hlej l\u00ednie na hladk\u00fa, progres\u00edvnu oblas\u0165. Tento posun je zdrojom jeho v\u00fdhod v oblasti hlu\u010dnosti a nosnosti, ale prin\u00e1\u0161a aj probl\u00e9m axi\u00e1lneho \u0165ahu.<\/p>\n

Ak\u00e9 sily p\u00f4sobia na jeden zub \u010deln\u00e9ho ozuben\u00e9ho kolesa pri jeho zasek\u00e1van\u00ed?<\/h2>\n

Aby sme skuto\u010dne pochopili, \u010do sa deje po\u010das z\u00e1beru ozuben\u00fdch kolies, mus\u00edme rozdeli\u0165 celkov\u00fa silu. T\u00e1to sila nep\u00f4sob\u00ed priamo. P\u00f4sob\u00ed pod uhlom k povrchu zuba.<\/p>\n

In\u017einieri to zjednodu\u0161uj\u00fa rozdelen\u00edm sily na dve k\u013e\u00fa\u010dov\u00e9 zlo\u017eky. To v\u00fdrazne u\u013eah\u010duje anal\u00fdzu a n\u00e1vrh. Ide o tangenci\u00e1lnu a radi\u00e1lnu silu. Ka\u017ed\u00e1 z nich m\u00e1 na prevodov\u00fd syst\u00e9m ve\u013emi odli\u0161n\u00fd vplyv.<\/p>\n

Pochopenie zlo\u017eiek sily<\/h3>\n

Tu je stru\u010dn\u00fd preh\u013ead t\u00fdchto dvoch s\u00edl a ich hlavn\u00fdch \u00faloh v prevodovom syst\u00e9me.<\/p>\n\n\n\n\n\n\n
Komponent sily<\/th>\nPrim\u00e1rna funkcia<\/th>\nHlavn\u00fd vplyv<\/th>\n<\/tr>\n<\/thead>\n
Tangenci\u00e1lna sila<\/td>\nVysiela v\u00fdkon<\/td>\nVytv\u00e1ra kr\u00fatiaci moment na pohon z\u00e1\u0165a\u017ee<\/td>\n<\/tr>\n
Radi\u00e1lna sila<\/td>\nOdde\u013euje ozuben\u00e9 koles\u00e1<\/td>\nZa\u0165a\u017euje lo\u017eisk\u00e1 a hriadele<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Dve
\u010celn\u00e9 ozuben\u00e9 koles\u00e1 Kontaktn\u00e9 sily<\/figcaption><\/figure>\n<\/p>\n

\"Pracovn\u00e1\" sila: Tangenci\u00e1lna zlo\u017eka<\/h3>\n

Tangenci\u00e1lna sila je zlo\u017eka, ktor\u00e1 vykon\u00e1va v\u0161etku u\u017eito\u010dn\u00fa pr\u00e1cu. P\u00f4sob\u00ed tangenci\u00e1lne k rozstupovej kru\u017enici ozuben\u00e9ho kolesa. Je to sila, ktor\u00e1 skuto\u010dne pren\u00e1\u0161a kr\u00fatiaci moment a sp\u00f4sobuje ot\u00e1\u010danie poh\u00e1\u0148an\u00e9ho ozuben\u00e9ho kolesa. Ke\u010f potrebujete v\u00e4\u010d\u0161\u00ed kr\u00fatiaci moment, m\u00e1te do \u010dinenia s v\u00e4\u010d\u0161ou tangenci\u00e1lnou silou.<\/p>\n

Rozde\u013euj\u00faca sila: Radi\u00e1lna zlo\u017eka<\/h3>\n

Na druhej strane, radi\u00e1lna sila nevykon\u00e1va \u017eiadnu u\u017eito\u010dn\u00fa pr\u00e1cu pri prenose energie. Jej \u00falohou je tla\u010di\u0165 dve ozuben\u00e9 koles\u00e1 od seba, pri\u010dom p\u00f4sob\u00ed pozd\u013a\u017e priamky sp\u00e1jaj\u00facej ich stredy. T\u00e1to odde\u013euj\u00faca sila je rozhoduj\u00facim faktorom pre kon\u0161trukciu. Priamo za\u0165a\u017euje hriadele a lo\u017eisk\u00e1, ktor\u00e9 ich podopieraj\u00fa.<\/p>\n

V minul\u00fdch projektoch spolo\u010dnosti PTSMAKE sme boli svedkami zlyhania kon\u0161trukci\u00ed, preto\u017ee lo\u017eisk\u00e1 neboli \u0161pecifikovan\u00e9 tak, aby zvl\u00e1dli radi\u00e1lne za\u0165a\u017eenie. Toto je k\u013e\u00fa\u010dov\u00fd rozdiel v diskusii o \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch, preto\u017ee \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 tie\u017e predstavuj\u00fa axi\u00e1lnu (\u0165ahov\u00fa) silu.<\/p>\n

Ve\u013ekos\u0165 t\u00fdchto s\u00edl je dan\u00e1 ve\u013ekos\u0165ou ozuben\u00e9ho kolesa Tlakov\u00fd uhol<\/a>3<\/a><\/sup>. V\u00e4\u010d\u0161\u00ed uhol zvy\u0161uje radi\u00e1lnu silu v porovnan\u00ed s tangenci\u00e1lnou silou.<\/p>\n

Preh\u013ead smeru sily<\/h4>\n\n\n\n\n\n\n
Sila<\/th>\nSmerovanie akcie<\/th>\nD\u00f4sledky<\/th>\n<\/tr>\n<\/thead>\n
Tangenci\u00e1lne<\/td>\nTangens ku kru\u017enici Pitch<\/td>\nPrenos kr\u00fatiaceho momentu<\/td>\n<\/tr>\n
Radi\u00e1lne<\/td>\nSmerom k stredisku Gear Center<\/td>\nNosn\u00e9 za\u0165a\u017eenie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Celkov\u00fa silu p\u00f4sobiacu na zub \u010deln\u00e9ho ozuben\u00e9ho kolesa najlep\u0161ie pochop\u00edte pomocou jej tangenci\u00e1lnej a radi\u00e1lnej zlo\u017eky. Tangenci\u00e1lna sila poh\u00e1\u0148a stroj, zatia\u013e \u010do radi\u00e1lna sila vytv\u00e1ra za\u0165a\u017eenie na hriade\u013eoch a lo\u017eisk\u00e1ch. Spr\u00e1vna kon\u0161trukcia zoh\u013ead\u0148uje obidve sily.<\/p>\n

Ak\u00fa nov\u00fa zlo\u017eku sily zav\u00e1dzaj\u00fa \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1?<\/h2>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 prin\u00e1\u0161aj\u00fa v\u00fdznamn\u00fa zlo\u017eku sily, ktor\u00e1 sa v \u010deln\u00fdch ozuben\u00fdch koles\u00e1ch nevyskytuje: axi\u00e1lny \u0165ah. T\u00e1to sila p\u00f4sob\u00ed rovnobe\u017ene s osou ozuben\u00e9ho kolesa a v podstate ho tla\u010d\u00ed do str\u00e1n.<\/p>\n

Jeho p\u00f4vod je v \u0161ikm\u00fdch zuboch ozuben\u00e9ho kolesa.<\/p>\n

K\u013e\u00fa\u010dov\u00fd rozdiel v dizajne<\/h3>\n

Ke\u010f sa \u0161ikm\u00e9 zuby zasekn\u00fa, kontakt vytv\u00e1ra silu, ktor\u00e1 nie je kolm\u00e1 na hriade\u013e. T\u00fdm vznik\u00e1 axi\u00e1lna zlo\u017eka.<\/p>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nPrim\u00e1rne sily<\/th>\nNov\u00e1 zlo\u017eka sily<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koleso<\/td>\nRadi\u00e1lne, tangenci\u00e1lne<\/td>\n\u017diadne<\/td>\n<\/tr>\n
\u0160ikm\u00fd prevod<\/td>\nRadi\u00e1lne, tangenci\u00e1lne<\/td>\nAxi\u00e1lny \u0165ah<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u00e1to nov\u00e1 sila si vy\u017eaduje starostliv\u00e9 riadenie pri n\u00e1vrhu.<\/p>\n

\"Podrobn\u00e9
Porovnanie \u0161ikm\u00fdch a \u010deln\u00fdch ozuben\u00fdch kolies<\/figcaption><\/figure>\n<\/p>\n

Fyzika axi\u00e1lneho \u0165ahu<\/h3>\n

Uhol \u0161pir\u00e1ly je priamou pr\u00ed\u010dinou axi\u00e1lneho \u0165ahu. Pri prenose sily p\u00f4sob\u00ed sila na povrch zuba kolmo na samotn\u00fd zub. Ke\u010f\u017ee zub je pod uhlom, t\u00e1to sila sa rozklad\u00e1 na dve k\u013e\u00fa\u010dov\u00e9 zlo\u017eky.<\/p>\n

Jednou z nich je tangenci\u00e1lna sila, ktor\u00e1 poh\u00e1\u0148a rot\u00e1ciu. Druhou je axi\u00e1lna sila, ktor\u00e1 tla\u010d\u00ed pozd\u013a\u017e hriade\u013ea. Toto je z\u00e1kladn\u00fd koncept pri porovn\u00e1van\u00ed \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch kolies. \u010c\u00edm v\u00e4\u010d\u0161\u00ed je uhol \u0161pir\u00e1ly, t\u00fdm v\u00e4\u010d\u0161ia je axi\u00e1lna sila pri danom kr\u00fatiacom momente.<\/p>\n

V\u00fdpo\u010det vplyvu<\/h3>\n

Tento \u0165ah nie je zanedbate\u013en\u00fd. Je potrebn\u00e9 mu \u010deli\u0165 vhodn\u00fdmi lo\u017eiskami, ako s\u00fa napr\u00edklad ku\u017eel\u00edkov\u00e9 lo\u017eisk\u00e1 alebo axi\u00e1lne lo\u017eisk\u00e1. Jeho ignorovanie m\u00f4\u017ee vies\u0165 k pred\u010dasn\u00e9mu zlyhaniu lo\u017eiska a nespr\u00e1vnemu nastaveniu syst\u00e9mu.<\/p>\n

Celkov\u00e1 z\u00e1\u0165a\u017e na zub vytv\u00e1ra v\u00fdsledn\u00e1 sila<\/a>4<\/a><\/sup> ktor\u00fd je kombin\u00e1ciou t\u00fdchto zlo\u017eiek. Pri na\u0161ej pr\u00e1ci v spolo\u010dnosti PTSMAKE tieto za\u0165a\u017eenia presne vypo\u010d\u00edtavame, aby sme zabezpe\u010dili spo\u013eahliv\u00e9 fungovanie ka\u017edej vyr\u00e1banej s\u00fa\u010diastky v r\u00e1mci fin\u00e1lnej zostavy.<\/p>\n

Priamy \u00fa\u010dinok uhla \u0161pir\u00e1ly<\/h4>\n\n\n\n\n\n\n\n
Uhol \u0161pir\u00e1ly<\/th>\nRelat\u00edvny axi\u00e1lny \u0165ah<\/th>\n<\/tr>\n<\/thead>\n
15\u00b0<\/td>\nN\u00edzka<\/td>\n<\/tr>\n
30\u00b0<\/td>\nStredn\u00e9<\/td>\n<\/tr>\n
45\u00b0<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tento vz\u0165ah je pre in\u017einierov k\u013e\u00fa\u010dov\u00fd. V\u00fdber vy\u0161\u0161ieho uhla \u0161pir\u00e1ly pre plynulej\u0161iu prev\u00e1dzku je spojen\u00fd s kompromisom v podobe zvl\u00e1dania v\u00e4\u010d\u0161\u00edch axi\u00e1lnych za\u0165a\u017een\u00ed.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 vytv\u00e1raj\u00fa axi\u00e1lny \u0165ah v\u010faka svojim \u0161ikm\u00fdm zubom. T\u00e1to sila je priamo \u00famern\u00e1 pren\u00e1\u0161an\u00e9mu kr\u00fatiacemu momentu a tangente uhla \u0161pir\u00e1ly. Na zvl\u00e1dnutie tohto za\u0165a\u017eenia je nevyhnutn\u00fd spr\u00e1vny v\u00fdber lo\u017eiska, \u010do je kritick\u00fd faktor, ktor\u00fd v syst\u00e9moch \u010deln\u00fdch ozuben\u00fdch kolies ch\u00fdba.<\/p>\n

Ako je definovan\u00fd \u2018kontaktn\u00fd pomer\u2019 pre \u010deln\u00e9 a \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1?<\/h2>\n

Kontaktn\u00fd pomer je k\u013e\u00fa\u010dov\u00fdm parametrom prevodovky. Definuje priemern\u00fd po\u010det dvoj\u00edc zubov, ktor\u00e9 s\u00fa v danom \u010dase v kontakte. Vy\u0161\u0161\u00ed pomer znamen\u00e1, \u017ee viac zubov sa del\u00ed o za\u0165a\u017eenie.<\/p>\n

V\u00fdsledkom je plynulej\u0161\u00ed prenos v\u00fdkonu. V\u00fdrazne zni\u017euje aj hluk a vibr\u00e1cie.<\/p>\n

Pomer \u010deln\u00e9ho a \u0161pir\u00e1lov\u00e9ho kontaktu<\/h3>\n

Kon\u0161trukcia zubov ozuben\u00e9ho kolesa priamo ovplyv\u0148uje tento pomer. Porovnajme ich.<\/p>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nTypick\u00fd kontaktn\u00fd pomer<\/th>\nZapojenie zubov<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koleso<\/td>\n1,2 a\u017e 1,8<\/td>\nSekven\u010dn\u00e9, jeden p\u00e1r sa zap\u00e1ja, ke\u010f sa druh\u00fd vyp\u00edna<\/td>\n<\/tr>\n
\u0160ikm\u00fd prevod<\/td>\n> 2.0<\/td>\nPrekr\u00fdvanie, viacero p\u00e1rov v kontakte s\u00fa\u010dasne<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tento rozdiel je pre ich v\u00fdkon z\u00e1sadn\u00fd.<\/p>\n

\"Porovnanie
Porovnanie \u010deln\u00e9ho a \u0161ikm\u00e9ho ozubenia<\/figcaption><\/figure>\n<\/p>\n

Pochopenie mechaniky kontaktn\u00e9ho pomeru<\/h3>\n

Rozdiel v kontaktnom pomere z\u00e1vis\u00ed od geometrie zubov. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 maj\u00fa rovn\u00e9 zuby. To znamen\u00e1, \u017ee ku kontaktu doch\u00e1dza po celej ploche zubu naraz. Z\u00e1ber je n\u00e1hly.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 v\u0161ak maj\u00fa \u0161ikm\u00e9 zuby. T\u00fdm sa vytv\u00e1ra postupn\u00fd z\u00e1ber. Kontakt sa za\u010d\u00edna na jednom konci zuba a pri ot\u00e1\u010dan\u00ed ozuben\u00e9ho kolesa prech\u00e1dza cez jeho \u010deln\u00fa plochu.<\/p>\n

Postupn\u00e9 zap\u00e1janie \u0161ikm\u00fdch ozuben\u00fdch kolies<\/h4>\n

Tento \u0161ikm\u00fd dizajn roz\u0161iruje cesta kontaktu<\/a>5<\/a><\/sup>. Umo\u017e\u0148uje, aby sa nov\u00fd p\u00e1r zubov za\u010dal zap\u00e1ja\u0165 sk\u00f4r, ako sa predch\u00e1dzaj\u00faci p\u00e1r \u00faplne rozpoj\u00ed. Toto prekr\u00fdvanie je d\u00f4vodom, pre\u010do je ich kontaktn\u00fd pomer v\u017edy v\u00e4\u010d\u0161\u00ed ako 2,0.<\/p>\n

Pod\u013ea na\u0161ich sk\u00fasenost\u00ed v PTSMAKE je to rozhoduj\u00faci faktor. Ke\u010f klienti diskutuj\u00fa \u010deln\u00e9 ozuben\u00e9 koles\u00e1 vs. \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1<\/strong> pri aplik\u00e1ci\u00e1ch vy\u017eaduj\u00facich n\u00edzku hlu\u010dnos\u0165 je vy\u0161\u0161\u00ed kontaktn\u00fd pomer \u0161ikm\u00fdch ozuben\u00fdch kolies \u010dasto jasnou vo\u013ebou.<\/p>\n

Praktick\u00e9 d\u00f4sledky<\/h4>\n

Vy\u0161\u0161\u00ed kontaktn\u00fd pomer rozklad\u00e1 za\u0165a\u017eenie na viac zubov. T\u00fdm sa zni\u017euje za\u0165a\u017eenie jednotliv\u00fdch zubov. Zvy\u0161uje sa tak nosnos\u0165 a predl\u017euje sa prev\u00e1dzkov\u00e1 \u017eivotnos\u0165 prevodovky.<\/p>\n\n\n\n\n\n\n\n\n
Funkcia<\/th>\n\u010celn\u00fd prevod (ni\u017e\u0161\u00ed prevodov\u00fd pomer)<\/th>\n\u0160ikm\u00fd prevod (vy\u0161\u0161\u00ed prevodov\u00fd pomer)<\/th>\n<\/tr>\n<\/thead>\n
Distrib\u00facia za\u0165a\u017eenia<\/strong><\/td>\nZameran\u00e9 na 1-2 p\u00e1ry zubov<\/td>\nRozlo\u017een\u00e9 na viac ako 2 p\u00e1ry zubov<\/td>\n<\/tr>\n
\u00darove\u0148 hluku<\/strong><\/td>\nVy\u0161\u0161ie<\/td>\nNi\u017e\u0161ie<\/td>\n<\/tr>\n
Vibr\u00e1cie<\/strong><\/td>\nV\u00fdraznej\u0161ie<\/td>\nHlad\u0161ia prev\u00e1dzka<\/td>\n<\/tr>\n
Stres na zuby<\/strong><\/td>\nVy\u0161\u0161ie<\/td>\nNi\u017e\u0161ie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V\u010faka tomu s\u00fa \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 ide\u00e1lne pre vysokor\u00fdchlostn\u00e9 aplik\u00e1cie s vysok\u00fdm v\u00fdkonom, pri ktor\u00fdch je hladkos\u0165 ve\u013emi d\u00f4le\u017eit\u00e1.<\/p>\n

Kontaktn\u00fd pomer meria s\u00fa\u010dasn\u00fd z\u00e1ber zubov. \u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 maj\u00fa v porovnan\u00ed s \u010deln\u00fdmi ozuben\u00fdmi kolesami vy\u0161\u0161\u00ed, prekr\u00fdvaj\u00faci sa pomer. V\u00fdsledkom je plynulej\u0161ia, tich\u0161ia prev\u00e1dzka a lep\u0161ie rozlo\u017eenie za\u0165a\u017eenia, \u010do je rozhoduj\u00faci rozdiel pri v\u00fdbere prevodovky.<\/p>\n

Ak\u00fd fyzik\u00e1lny jav je hlavn\u00fdm zdrojom hluku \u010deln\u00e9ho ozuben\u00e9ho kolesa?<\/h2>\n

Podstatou probl\u00e9mu je vplyv. Hlavn\u00fdm zdrojom hluku \u010deln\u00e9ho ozuben\u00e9ho kolesa je n\u00e1hly n\u00e1raz zubov pri ich z\u00e1bere.<\/p>\n

Na rozdiel od plynul\u00e9ho valenia ide o n\u00e1hlu udalos\u0165. Tento n\u00e1raz vytv\u00e1ra okam\u017eit\u00fd n\u00e1rast tlaku.<\/p>\n

T\u00e1to zmena tlaku sp\u00f4sobuje vibr\u00e1cie. Tieto vibr\u00e1cie sa \u0161\u00edria materi\u00e1lom prevodovky a okolit\u00fdm vzduchom, \u010do na\u0161e u\u0161i vn\u00edmaj\u00fa ako hluk.<\/p>\n

Tento proces sa opakuje pri ka\u017edom jednom zube, \u010d\u00edm vznik\u00e1 charakteristick\u00e9 kv\u00edlenie.<\/p>\n\n\n\n\n\n\n\n
Krok<\/th>\nFyzick\u00e1 akcia<\/th>\nV\u00fdsledok<\/th>\n<\/tr>\n<\/thead>\n
1. Z\u00e1snuby<\/td>\nZuby sa n\u00e1hle zrazia<\/td>\nN\u00e1hly n\u00e1raz<\/td>\n<\/tr>\n
2. Dopad<\/td>\nPrenos energie<\/td>\nPrudk\u00fd n\u00e1rast tlaku<\/td>\n<\/tr>\n
3. \u0160\u00edrenie<\/td>\nSpike vy\u017earuje von<\/td>\nVibr\u00e1cie (hluk)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tento r\u00fdchly, opakuj\u00faci sa n\u00e1raz je z\u00e1kladn\u00fdm fyzik\u00e1lnym javom, ktor\u00fdm sa mus\u00edme zaobera\u0165.<\/p>\n

\"Poh\u013ead
\u010celn\u00e9 ozuben\u00e9 koles\u00e1 Kontaktn\u00fd bod<\/figcaption><\/figure>\n<\/p>\n

Mechanizmus n\u00e1hleho zapojenia<\/h3>\n

Pozrime sa na tento vplyv hlb\u0161ie. Zuby \u010deln\u00e9ho ozuben\u00e9ho kolesa sa stret\u00e1vaj\u00fa po celej svojej \u0161\u00edrke s\u00fa\u010dasne. Tento okam\u017eit\u00fd l\u00edniov\u00fd kontakt znamen\u00e1, \u017ee nedoch\u00e1dza k postupn\u00e9mu prenosu za\u0165a\u017eenia. Je to udalos\u0165 typu v\u0161etko alebo ni\u010d.<\/p>\n

T\u00e1to n\u00e1razov\u00e1 z\u00e1\u0165a\u017e je hlavnou pr\u00ed\u010dinou. Ka\u017ed\u00fd z\u00e1ber p\u00f4sob\u00ed na syst\u00e9m ako mal\u00fd \u00fader kladivom, ktor\u00fd vytv\u00e1ra tlakov\u00fa vlnu.<\/p>\n

Od vibr\u00e1ci\u00ed k po\u010dute\u013en\u00e9mu hluku<\/h4>\n

T\u00e1to tlakov\u00e1 vlna sa \u0161\u00edri smerom od ozuben\u00fdch kolies. Ke\u010f sa \u0161\u00edri vzduchom, vn\u00edmame ju ako zvuk. Frekvencia tohto zvuku je priamo spojen\u00e1 s t\u00fdm, ako \u010dasto sa zuby zasek\u00e1vaj\u00fa.<\/p>\n

V spolo\u010dnosti PTSMAKE \u010dasto vid\u00edme, ako t\u00e1to straten\u00e1 energia ovplyv\u0148uje \u00fa\u010dinnos\u0165, nielen akustiku. Hluk, ktor\u00fd po\u010dujete, je premrhan\u00e1 energia, ktor\u00e1 by mohla by\u0165 u\u017eito\u010dn\u00e1. K\u013e\u00fa\u010dov\u00fdm faktorom je zmena tuhosti zubov<\/a>6<\/a><\/sup> po\u010das cyklu sie\u0165ovania, \u010do m\u00f4\u017ee tieto vibr\u00e1cie zosilni\u0165.<\/p>\n

Toto je hlavn\u00fd bod rozdielu v diskusii o \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch. \u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 sa zaberaj\u00fa postupne po celej ploche zuba, \u010do tento n\u00e1raz v\u00fdrazne zmier\u0148uje.<\/p>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\n\u0160t\u00fdl z\u00e1snub<\/th>\n\u00darove\u0148 vplyvu<\/th>\nTypick\u00fd hluk<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koleso<\/td>\nOkam\u017eit\u00e9, v celej \u0161\u00edrke<\/td>\nVysok\u00e1<\/td>\nHlasit\u00fd<\/td>\n<\/tr>\n
\u0160ikm\u00fd prevod<\/td>\nPostupn\u00e9, \u0161ikm\u00e9<\/td>\nN\u00edzka<\/td>\nTich\u00fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Na\u0161e testy uk\u00e1zali, \u017ee tento z\u00e1sadn\u00fd rozdiel v mechanike zapojenia je hlavn\u00fdm d\u00f4vodom rozdielov v hlu\u010dnosti. Rie\u0161enie tohto vplyvu je k\u013e\u00fa\u010dom k tich\u0161ej prev\u00e1dzke.<\/p>\n

Hlavn\u00fdm zdrojom hluku \u010deln\u00e9ho ozuben\u00e9ho kolesa je n\u00e1hly n\u00e1raz zubov po\u010das z\u00e1beru. To sp\u00f4sobuje n\u00e1hle zmeny tlaku a vibr\u00e1cie. Tento n\u00e1razov\u00fd kontakt je hlavn\u00fdm fyzik\u00e1lnym javom, ktor\u00fd je zodpovedn\u00fd za charakteristick\u00e9 kv\u00edlenie ozuben\u00fdch kolies.<\/p>\n

Pre\u010do s\u00fa \u0161ikm\u00e9 prevody vo svojej podstate tich\u0161ie ako \u010deln\u00e9 prevody?<\/h2>\n

Hlavn\u00fdm d\u00f4vodom je \"postupn\u00e9 zapojenie\". Je to jednoduch\u00fd koncept s obrovsk\u00fdm vplyvom na hluk.<\/p>\n

Na rozdiel od \u010deln\u00fdch ozuben\u00fdch kolies s\u00fa zuby \u0161ikm\u00fdch ozuben\u00fdch kolies \u0161ikm\u00e9. To znamen\u00e1, \u017ee sa nezasekn\u00fa v\u0161etky naraz.<\/p>\n

Tajomstvo hladk\u00e9ho kontaktu<\/h3>\n

Kontakt sa za\u010d\u00edna v jednom bode na zube. Pri ot\u00e1\u010dan\u00ed ozuben\u00fdch kolies sa potom plynulo \u0161\u00edri po celej ploche.<\/p>\n

T\u00fdm sa eliminuje n\u00e1hly n\u00e1raz, ktor\u00fd sp\u00f4sobuje hluk. Vytv\u00e1ra ove\u013ea plynulej\u0161\u00ed a tich\u0161\u00ed prenos energie.<\/p>\n\n\n\n\n\n\n\n
Funkcia<\/th>\n\u010celn\u00e9 ozuben\u00e9 koleso<\/th>\n\u0160ikm\u00fd prevod<\/th>\n<\/tr>\n<\/thead>\n
Zapojenie zubov<\/td>\nN\u00e1hle, na cel\u00fa \u0161\u00edrku<\/td>\nPostupn\u00e9, od bodu k l\u00ednii<\/td>\n<\/tr>\n
\u00darove\u0148 vplyvu<\/td>\nVysok\u00e1<\/td>\nN\u00edzka<\/td>\n<\/tr>\n
Vibr\u00e1cie<\/td>\nV\u00fdznamn\u00e9<\/td>\nMinim\u00e1lne<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Poh\u013ead
Porovnanie \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch kolies<\/figcaption><\/figure>\n<\/p>\n

Mechanizmus tichej prev\u00e1dzky<\/h3>\n

Po\u010fme sa do toho ponori\u0165 hlb\u0161ie. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 sa okam\u017eite zaberaj\u00fa pozd\u013a\u017e celej plochy zuba. Tento n\u00e1hly kontakt vytv\u00e1ra r\u00e1zov\u00e9 za\u0165a\u017eenie, ktor\u00e9 je hlavn\u00fdm zdrojom hluku a vibr\u00e1ci\u00ed ozuben\u00fdch kolies. Je to ako tlesknutie rukami - n\u00e1hly, ostr\u00fd zvuk.<\/p>\n

Od n\u00e1razu k toku<\/h4>\n

\u0160ikm\u00e9 prevody t\u00fato dynamiku \u00faplne menia. \u0160ikm\u00e9 zuby zabezpe\u010duj\u00fa, \u017ee ke\u010f sa jedna \u010das\u0165 zubu ot\u00e1\u010da mimo z\u00e1beru, druh\u00e1 \u010das\u0165 sa u\u017e za\u010d\u00edna zap\u00e1ja\u0165. Toto prekr\u00fdvanie vytv\u00e1ra kontinu\u00e1lny, nepreru\u0161ovan\u00fd tok energie.<\/p>\n

Tento plynul\u00fd prechod medzi zubami je z\u00e1kladom. Zabra\u0148uje tlakov\u00fdm skokom, ktor\u00e9 sp\u00f4sobuj\u00fa hluk.<\/p>\n

Pochopenie kontaktn\u00e9ho vzoru<\/h4>\n

Str\u00e1nka kontaktn\u00e1 linka<\/a>7<\/a><\/sup> na zube \u0161ikm\u00e9ho ozuben\u00e9ho kolesa sa pohybuje diagon\u00e1lne po jeho povrchu. V\u010faka tomuto postupn\u00e9mu zap\u00ednaniu a vyp\u00ednaniu je prev\u00e1dzka tak\u00e1 tich\u00e1.<\/p>\n

V spolo\u010dnosti PTSMAKE obr\u00e1bame tieto uhly s vysokou presnos\u0165ou. T\u00fdm sa zabezpe\u010d\u00ed rovnomern\u00e9 rozlo\u017eenie za\u0165a\u017eenia, \u010d\u00edm sa maximalizuje tichos\u0165 a \u017eivotnos\u0165 prevodovky. Pri zva\u017eovan\u00ed \u010deln\u00fdch ozuben\u00fdch kolies oproti \u0161ikm\u00fdm ozuben\u00fdm koles\u00e1m je tento plynul\u00fd prenos \u010dasto rozhoduj\u00facim faktorom pre na\u0161ich klientov v oblastiach citliv\u00fdch na hluk.<\/p>\n\n\n\n\n\n\n\n
Charakteristika<\/th>\n\u010celn\u00e9 ozuben\u00e9 koleso<\/th>\n\u0160ikm\u00fd prevod<\/th>\n<\/tr>\n<\/thead>\n
Aplik\u00e1cia za\u0165a\u017eenia<\/td>\nN\u00e1hle n\u00e1razov\u00e9 za\u0165a\u017eenie<\/td>\nPostupn\u00e9, rozlo\u017een\u00e9 za\u0165a\u017eenie<\/td>\n<\/tr>\n
Prenos energie<\/td>\nPreru\u0161enie na \u00farovni zubov<\/td>\nPlynul\u00e9, hladk\u00e9<\/td>\n<\/tr>\n
V\u00fdsledn\u00fd hluk<\/td>\nVysokofrekven\u010dn\u00e9 \"kv\u00edlenie\"<\/td>\nN\u00edzky, st\u00e1ly hukot<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0160ikm\u00e9 zuby \u0161ikm\u00fdch ozuben\u00fdch kolies umo\u017e\u0148uj\u00fa postupn\u00fd z\u00e1ber. Tento proces minimalizuje n\u00e1razy, otrasy a vibr\u00e1cie, ktor\u00e9 sp\u00f4sobuj\u00fa hluk \u010deln\u00fdch ozuben\u00fdch kolies. V\u00fdsledkom je ove\u013ea plynulej\u0161\u00ed a tich\u0161\u00ed prenos v\u00fdkonu.<\/p>\n

Ak\u00e9 s\u00fa k\u013e\u00fa\u010dov\u00e9 kompromisy vo v\u00fdkone medzi t\u00fdmito dvoma prevodov\u00fdmi stup\u0148ami?<\/h2>\n

Pri v\u00fdbere medzi \u010deln\u00fdm a \u0161ikm\u00fdm ozuben\u00fdm kolesom nejde o to, ktor\u00e9 je lep\u0161ie. Ide o pochopenie konkr\u00e9tnych kompromisov pre va\u0161u aplik\u00e1ciu. Ka\u017ed\u00fd typ prevodovky vynik\u00e1 v in\u00fdch oblastiach.<\/p>\n

Va\u0161e rozhodnutie ovplyv\u0148uje hluk, nosnos\u0165, n\u00e1klady a zlo\u017eitos\u0165. \u0160trukt\u00farovan\u00e9 porovnanie \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch kolies m\u00f4\u017ee objasni\u0165 najlep\u0161iu vo\u013ebu. Tu je stru\u010dn\u00fd preh\u013ead.<\/p>\n\n\n\n\n\n\n\n\n
Funkcia<\/th>\n\u010celn\u00e9 ozuben\u00e9 koleso<\/th>\n\u0160ikm\u00fd prevod<\/th>\n<\/tr>\n<\/thead>\n
\u00darove\u0148 hluku<\/strong><\/td>\nVy\u0161\u0161ie<\/td>\nNi\u017e\u0161ie<\/td>\n<\/tr>\n
Axi\u00e1lny \u0165ah<\/strong><\/td>\n\u017diadne<\/td>\nS\u00fa\u010dasnos\u0165<\/td>\n<\/tr>\n
N\u00e1klady<\/strong><\/td>\nNi\u017e\u0161ie<\/td>\nVy\u0161\u0161ie<\/td>\n<\/tr>\n
Kapacita za\u0165a\u017eenia<\/strong><\/td>\nDobr\u00fd<\/td>\nVynikaj\u00face<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tento r\u00e1mec pom\u00e1ha vyv\u00e1\u017ei\u0165 v\u00fdkonnos\u0165 s obmedzeniami projektu.<\/p>\n

\"Dva
Porovnanie \u010deln\u00e9ho a \u0161ikm\u00e9ho ozubenia<\/figcaption><\/figure>\n<\/p>\n

Spr\u00e1vny v\u00fdber si vy\u017eaduje hlb\u0161\u00ed poh\u013ead na tieto v\u00fdkonnostn\u00e9 osi. Ka\u017ed\u00e9 rozhodnutie zah\u0155\u0148a kompromis, ktor\u00fd m\u00f4\u017ee v\u00fdrazne ovplyvni\u0165 v\u00e1\u0161 kone\u010dn\u00fd produkt. V spolo\u010dnosti PTSMAKE denne sprev\u00e1dzame klientov t\u00fdmto procesom.<\/p>\n

Hluk vs. axi\u00e1lny \u0165ah<\/h3>\n

\u0160ikm\u00e9 prevody s\u00fa cenen\u00e9 pre tich\u00fd chod. Ich \u0161ikm\u00e9 zuby zapadaj\u00fa postupne, \u010d\u00edm sa zni\u017euje kv\u00edliv\u00fd zvuk be\u017en\u00fd pri \u010deln\u00fdch ozuben\u00fdch koles\u00e1ch. V\u010faka tomu s\u00fa ide\u00e1lne pre spotrebn\u00e9 v\u00fdrobky alebo automobilov\u00e9 prevodovky.<\/p>\n

Tento \u0161ikm\u00fd dizajn v\u0161ak vytv\u00e1ra axi\u00e1lny \u0165ah<\/a>8<\/a><\/sup>. Ide o silu rovnobe\u017en\u00fa s osou ozuben\u00e9ho kolesa. Na jej zvl\u00e1dnutie s\u00fa potrebn\u00e9 axi\u00e1lne lo\u017eisk\u00e1, \u010do zvy\u0161uje zlo\u017eitos\u0165 a n\u00e1klady na mont\u00e1\u017e. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 tak\u00fato silu nevytv\u00e1raj\u00fa.<\/p>\n

Jednoduchos\u0165 vs. nosnos\u0165<\/h3>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa jednoduch\u0161ie na kon\u0161trukciu a v\u00fdrobu. V\u010faka ich rovn\u00fdm zubom sa \u013eahko re\u017ee a in\u0161taluje. T\u00e1to jednoduchos\u0165 znamen\u00e1 ni\u017e\u0161ie n\u00e1klady a jednoduch\u0161iu \u00fadr\u017ebu.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 so zlo\u017eitou geometriou m\u00f4\u017eu pren\u00e1\u0161a\u0165 v\u00e4\u010d\u0161ie za\u0165a\u017eenie. \u0160ikm\u00e9 zuby poskytuj\u00fa v\u00e4\u010d\u0161iu kontaktn\u00fa plochu, \u010d\u00edm sa efekt\u00edvnej\u0161ie rozklad\u00e1 nam\u00e1hanie. To je k\u013e\u00fa\u010dov\u00e1 v\u00fdhoda pri aplik\u00e1ci\u00e1ch s vysok\u00fdm kr\u00fatiacim momentom.<\/p>\n

N\u00e1klady vs. plynulos\u0165<\/h3>\n

V\u00fdrobn\u00fd proces priamo ovplyv\u0148uje n\u00e1klady. Presn\u00e9 br\u00fasenie potrebn\u00e9 pre \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 ich predra\u017euje oproti \u010deln\u00fdm ozuben\u00fdm koles\u00e1m. Tento rozdiel v n\u00e1kladoch m\u00f4\u017ee by\u0165 pri ve\u013ek\u00fdch v\u00fdrobn\u00fdch s\u00e9ri\u00e1ch zna\u010dn\u00fd.<\/p>\n

\u0160ikm\u00e9 prevody za vy\u0161\u0161iu cenu poskytuj\u00fa v\u00fdnimo\u010dne hladk\u00fd a konzistentn\u00fd prenos v\u00fdkonu. T\u00e1to hladkos\u0165 je rozhoduj\u00faca pre presn\u00e9 stroje, kde s\u00fa vibr\u00e1cie ne\u017eiaduce.<\/p>\n

Efekt\u00edvnos\u0165 vs. zlo\u017eitos\u0165<\/h3>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa vysoko \u00fa\u010dinn\u00e9, \u010dasto dosahuj\u00fa 98-99%. Ich valiv\u00fd kontakt vytv\u00e1ra ve\u013emi mal\u00e9 trenie.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 zav\u00e1dzaj\u00fa posuvn\u00fd pohyb medzi zubami, ktor\u00fd m\u00f4\u017ee mierne zn\u00ed\u017ei\u0165 \u00fa\u010dinnos\u0165 v d\u00f4sledku trenia. \u010casto je to v\u0161ak len mal\u00fd kompromis za ich vynikaj\u00faci v\u00fdkon v in\u00fdch oblastiach.<\/p>\n

V\u00fdber medzi \u010deln\u00fdm a \u0161ikm\u00fdm ozuben\u00fdm kolesom je ot\u00e1zkou rovnov\u00e1hy. Va\u0161e priority - \u010di u\u017e ide o n\u00edzku hlu\u010dnos\u0165, vysok\u00fa nosnos\u0165, rozpo\u010det alebo jednoduchos\u0165 kon\u0161trukcie - ur\u010dia ide\u00e1lny prevod. Neexistuje jedin\u00e1 \"najlep\u0161ia\" odpove\u010f, iba t\u00e1, ktor\u00e1 sa najlep\u0161ie hod\u00ed pre va\u0161u konkr\u00e9tnu aplik\u00e1ciu.<\/p>\n

Ako sa d\u00e1 porovna\u0165 nosnos\u0165 \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch kolies?<\/h2>\n

Pri porovn\u00e1van\u00ed \u010deln\u00fdch ozuben\u00fdch kolies a \u0161ikm\u00fdch ozuben\u00fdch kolies rovnakej ve\u013ekosti a z rovnak\u00e9ho materi\u00e1lu \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 neust\u00e1le vyhr\u00e1vaj\u00fa v oblasti nosnosti. Nie je to ani s mal\u00fdm rozdielom.<\/p>\n

Rozdiel vypl\u00fdva z ich z\u00e1kladnej kon\u0161trukcie. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 zaberaj\u00fa n\u00e1hle po celej ploche zuba naraz.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 so \u0161ikm\u00fdmi zubami sa zap\u00e1jaj\u00fa postupne. Tento plynulej\u0161\u00ed prechod efekt\u00edvnej\u0161ie rozklad\u00e1 za\u0165a\u017eenie, \u010do umo\u017e\u0148uje vy\u0161\u0161\u00ed v\u00fdkon za rovnak\u00fdch podmienok.<\/p>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nTypick\u00e1 nosnos\u0165<\/th>\nK\u013e\u00fa\u010dov\u00fd faktor<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koleso<\/td>\nNi\u017e\u0161ie<\/td>\nOkam\u017eit\u00fd kontakt s celou tv\u00e1rou<\/td>\n<\/tr>\n
\u0160ikm\u00fd prevod<\/td>\nVy\u0161\u0161ie<\/td>\nPostupn\u00fd, distribuovan\u00fd kontakt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Podrobn\u00e9
Porovnanie \u010deln\u00e9ho a \u0161ikm\u00e9ho ozuben\u00e9ho kolesa<\/figcaption><\/figure>\n<\/p>\n

Mechanika vy\u0161\u0161ej kapacity<\/h3>\n

Vynikaj\u00faca nosnos\u0165 \u0161ikm\u00fdch prevodov vypl\u00fdva z dvoch k\u013e\u00fa\u010dov\u00fdch mechanick\u00fdch v\u00fdhod. Tento koncept \u010dasto vysvet\u013eujeme klientom spolo\u010dnosti PTSMAKE pri v\u00fdbere spr\u00e1vneho ozuben\u00e9ho kolesa pre n\u00e1ro\u010dn\u00e9 aplik\u00e1cie.<\/p>\n

Postupn\u00e9 zapojenie a rozdelenie z\u00e1\u0165a\u017ee<\/h4>\n

Na rozdiel od n\u00e1hleho n\u00e1razu zubov \u010deln\u00e9ho ozuben\u00e9ho kolesa sa zuby \u0161ikm\u00e9ho ozuben\u00e9ho kolesa k\u013a\u017eu. Za\u0165a\u017eenie p\u00f4sob\u00ed postupne, za\u010d\u00edna na jednom konci zuba a pohybuje sa po jeho \u010delnej ploche.<\/p>\n

To znamen\u00e1, \u017ee v kontakte je \u010dasto viacero zubov s\u00fa\u010dasne, ktor\u00e9 sa delia o celkov\u00e9 za\u0165a\u017eenie. Tento zv\u00fd\u0161en\u00fd kontaktn\u00fd pomer v\u00fdrazne zni\u017euje nam\u00e1hanie ka\u017ed\u00e9ho jednotliv\u00e9ho zuba. Rozlo\u017eenie Hertzovo kontaktn\u00e9 nap\u00e4tie<\/a>9<\/a><\/sup> je ove\u013ea efekt\u00edvnej\u0161\u00ed.<\/p>\n

Vysvetlenie zv\u00fd\u0161en\u00e9ho pomeru kontaktov<\/h4>\n

Kontaktn\u00fd pomer je mierou toho, ko\u013eko zubov je v danom okamihu v z\u00e1bere. Vy\u0161\u0161\u00ed pomer znamen\u00e1 lep\u0161ie rozlo\u017eenie za\u0165a\u017eenia a plynulej\u0161iu prev\u00e1dzku. V na\u0161ich testoch vykazuj\u00fa \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 v\u00fdrazne vy\u0161\u0161\u00ed kontaktn\u00fd pomer.<\/p>\n\n\n\n\n\n\n\n\n
Funkcia<\/th>\n\u010celn\u00e9 ozuben\u00e9 koleso<\/th>\n\u0160ikm\u00fd prevod<\/th>\n<\/tr>\n<\/thead>\n
Zapojenie zubov<\/strong><\/td>\nN\u00e1hle, naraz<\/td>\nPostupn\u00e9, progres\u00edvne<\/td>\n<\/tr>\n
Distrib\u00facia za\u0165a\u017eenia<\/strong><\/td>\nZameran\u00e9 na jeden p\u00e1r zubov<\/td>\nZdie\u013eanie medzi viacer\u00fdmi zubami<\/td>\n<\/tr>\n
Typick\u00fd kontaktn\u00fd pomer<\/strong><\/td>\n1,1 a\u017e 1,7<\/td>\n2,0 alebo viac<\/td>\n<\/tr>\n
V\u00fdsledn\u00fd stres<\/strong><\/td>\nVysok\u00e9 \u0161pi\u010dkov\u00e9 nap\u00e4tie<\/td>\nNi\u017e\u0161ie, rozlo\u017een\u00e9 nap\u00e4tie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Toto rozlo\u017eenie umo\u017e\u0148uje \u0161ikm\u00fdm ozuben\u00fdm koles\u00e1m zvl\u00e1dnu\u0165 v\u00e4\u010d\u0161\u00ed kr\u00fatiaci moment a v\u00fdkon bez toho, aby sa zv\u00fd\u0161ilo riziko zlyhania v d\u00f4sledku \u00fanavy z ohybu alebo povrchovej jamkovitosti.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 prekon\u00e1vaj\u00fa \u010deln\u00e9 ozuben\u00e9 koles\u00e1 v \u00fanosnosti v\u010faka svojim \u0161ikm\u00fdm zubom. T\u00e1to kon\u0161trukcia zabezpe\u010duje vy\u0161\u0161\u00ed kontaktn\u00fd pomer a postupn\u00e9 za\u0165a\u017eenie, \u010d\u00edm sa nap\u00e4tie rozklad\u00e1 na viacero zubov a v\u00fdsledkom je plynulej\u0161\u00ed a robustnej\u0161\u00ed prenos v\u00fdkonu za rovnak\u00fdch podmienok.<\/p>\n

Ako sa porovn\u00e1vaj\u00fa v\u00fdrobn\u00e9 n\u00e1klady a zlo\u017eitos\u0165?<\/h2>\n

Pri porovn\u00e1van\u00ed \u010deln\u00fdch ozuben\u00fdch kolies a \u0161ikm\u00fdch ozuben\u00fdch kolies je najv\u00e4\u010d\u0161\u00edm faktorom, ktor\u00fd ovplyv\u0148uje n\u00e1klady, v\u00fdroba. Rozdiel spo\u010d\u00edva v geometrii.<\/p>\n

Jednoduchos\u0165 \u010deln\u00fdch ozuben\u00fdch kolies<\/h3>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 maj\u00fa rovn\u00e9 zuby. V\u010faka tejto jednoduchej kon\u0161trukcii je ich v\u00fdroba ove\u013ea jednoduch\u0161ia. M\u00f4\u017eeme pou\u017ei\u0165 \u0161tandardn\u00e9 postupy, ako je fr\u00e9zovanie alebo tvarovanie.<\/p>\n

Cel\u00fd zub sa d\u00e1 odreza\u0165 jedn\u00fdm prechodom. To vedie k r\u00fdchlej\u0161\u00edm \u010dasom cyklu a ni\u017e\u0161\u00edm n\u00e1kladom.<\/p>\n

Zlo\u017eitos\u0165 \u0161ikm\u00fdch ozuben\u00fdch kolies<\/h3>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 maj\u00fa \u0161ikm\u00e9 zuby. Tento uhol sp\u00f4sobuje zlo\u017eitos\u0165. V\u00fdroba si vy\u017eaduje presnej\u0161ie nastavenie stroja a \u0161pecializovan\u00e9 n\u00e1stroje na vytvorenie \u0161pir\u00e1ly.<\/p>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nJednoduchos\u0165 v\u00fdroby<\/th>\nTypick\u00fd proces<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koleso<\/td>\nVysok\u00e1<\/td>\nHob\u013eovanie, tvarovanie<\/td>\n<\/tr>\n
\u0160ikm\u00fd prevod<\/td>\nMierne<\/td>\n\u0160pecializovan\u00e9 hob\u013eovanie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u00e1to zlo\u017eitos\u0165 sa priamo premieta do dlh\u0161ieho \u010dasu obr\u00e1bania a vy\u0161\u0161\u00edch v\u00fdrobn\u00fdch n\u00e1kladov.<\/p>\n

\"Presne
Porovnanie v\u00fdroby \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch kolies<\/figcaption><\/figure>\n<\/p>\n

O n\u00e1kladoch vypoved\u00e1 samotn\u00fd v\u00fdrobn\u00fd proces. Pre mnoh\u00fdch na\u0161ich klientov v spolo\u010dnosti PTSMAKE je pochopenie tejto skuto\u010dnosti k\u013e\u00fa\u010dom k efekt\u00edvnemu zostaveniu rozpo\u010dtu ich projektov.<\/p>\n

Hlb\u0161\u00ed ponor do met\u00f3d obr\u00e1bania<\/h3>\n

Obr\u00e1banie \u010deln\u00fdch ozuben\u00fdch kolies<\/h4>\n

V\u00fdroba \u010deln\u00fdch ozuben\u00fdch kolies je ve\u013emi priamo\u010diary proces. \u010casto pou\u017e\u00edvame fr\u00e9zovac\u00ed stroj. Rezn\u00fd n\u00e1stroj alebo fr\u00e9za a polotovar ozuben\u00e9ho kolesa sa ot\u00e1\u010daj\u00fa spolo\u010dne. Hobl\u00edk \u00fa\u010dinne re\u017ee rovn\u00e9 zuby.<\/p>\n

Tento proces je vysoko automatizovan\u00fd a r\u00fdchly. Vy\u017eaduje si menej zlo\u017eit\u00e9 nastavenia, \u010d\u00edm sa minimalizuje pr\u00e1ca a \u010das stroja. To je hlavn\u00fd d\u00f4vod ich n\u00e1kladovej efekt\u00edvnosti.<\/p>\n

Obr\u00e1banie \u0161ikm\u00fdch ozuben\u00fdch kolies<\/h4>\n

V\u00fdroba \u0161ikm\u00fdch ozuben\u00fdch kolies je n\u00e1ro\u010dnej\u0161ia. Stroj mus\u00ed reza\u0165 zuby pod ur\u010dit\u00fdm uhlom \u0161pir\u00e1ly. To si vy\u017eaduje synchronizovan\u00fd \u0161ikm\u00fd pohyb medzi fr\u00e9zou a polotovarom ozuben\u00e9ho kolesa.<\/p>\n

Tento proces tie\u017e vytv\u00e1ra v\u00fdznamn\u00e9 axi\u00e1lny \u0165ah<\/a>10<\/a><\/sup>, \u010do si vy\u017eaduje robustn\u00e9 nastavenie stroja na zachovanie presnosti. Nastavenie je \u010dasovo n\u00e1ro\u010dnej\u0161ie a rezn\u00e9 r\u00fdchlosti s\u00fa \u010dasto ni\u017e\u0161ie, aby sa zabezpe\u010dila presnos\u0165.<\/p>\n\n\n\n\n\n\n\n\n\n
Funkcia<\/th>\nObr\u00e1banie \u010deln\u00fdch ozuben\u00fdch kolies<\/th>\nObr\u00e1banie \u0161ikm\u00fdch ozuben\u00fdch kolies<\/th>\n<\/tr>\n<\/thead>\n
Cesta n\u00e1stroja<\/strong><\/td>\nPriamy, rovnobe\u017en\u00fd s osou<\/td>\n\u0160ikm\u00e1, \u0161ikm\u00e1 dr\u00e1ha<\/td>\n<\/tr>\n
Nastavenie stroja<\/strong><\/td>\nJednoduch\u0161ie, r\u00fdchlej\u0161ie<\/td>\nZlo\u017eitej\u0161ie, vy\u017eaduje synchroniz\u00e1ciu uhla<\/td>\n<\/tr>\n
\u010cas cyklu<\/strong><\/td>\nKrat\u0161ie<\/td>\nDlh\u0161ie<\/td>\n<\/tr>\n
N\u00e1stroje<\/strong><\/td>\n\u0160tandardn\u00e1 varn\u00e1 doska<\/td>\nUhlov\u00e1 varn\u00e1 doska<\/td>\n<\/tr>\n
Pridru\u017een\u00e9 sily<\/strong><\/td>\nPredov\u0161etk\u00fdm radi\u00e1lne sily<\/td>\nRadi\u00e1lne a axi\u00e1lne sily<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ka\u017ed\u00fd krok predl\u017euje \u010das a vy\u017eaduje si v\u00e4\u010d\u0161iu zru\u010dnos\u0165 obsluhy, \u010do zvy\u0161uje kone\u010dn\u00e9 n\u00e1klady na jeden diel.<\/p>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa lacnej\u0161ie a r\u00fdchlej\u0161ie na v\u00fdrobu v\u010faka jednoduchej geometrii s priamym zubom. \u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 so \u0161ikm\u00fdmi zubami si vy\u017eaduj\u00fa zlo\u017eitej\u0161ie nastavenia obr\u00e1bania, \u0161pecializovan\u00e9 n\u00e1stroje a dlh\u0161\u00ed \u010das cyklu, \u010do zvy\u0161uje v\u00fdrobn\u00e9 n\u00e1klady.<\/p>\n

Ak\u00e9 typy usporiadania lo\u017e\u00edsk s\u00fa potrebn\u00e9 pre jednotliv\u00e9 typy prevodov?<\/h2>\n

V\u00fdber spr\u00e1vneho lo\u017eiska je ve\u013emi d\u00f4le\u017eit\u00fd. M\u00e1 priamy vplyv na v\u00fdkon a \u017eivotnos\u0165 prevodov\u00e9ho syst\u00e9mu. Hlavn\u00fd rozdiel spo\u010d\u00edva v sil\u00e1ch, ktor\u00e9 jednotliv\u00e9 typy prevodov generuj\u00fa.<\/p>\n

Potreby lo\u017eiska \u010deln\u00e9ho ozuben\u00e9ho kolesa<\/h3>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 maj\u00fa rovn\u00e9 zuby. Z tohto d\u00f4vodu vytv\u00e1raj\u00fa najm\u00e4 radi\u00e1lne za\u0165a\u017eenie. To zjednodu\u0161uje v\u00fdber lo\u017eiska. Lo\u017eisk\u00e1 musia len podopiera\u0165 hriade\u013e proti t\u00fdmto vonkaj\u0161\u00edm sil\u00e1m.<\/p>\n

Potreby lo\u017eiska \u0161ikm\u00e9ho ozuben\u00e9ho kolesa<\/h3>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 so \u0161ikm\u00fdmi zubami s\u00fa zlo\u017eitej\u0161ie. Vytv\u00e1raj\u00fa radi\u00e1lne aj zna\u010dn\u00e9 axi\u00e1lne za\u0165a\u017eenie. To si vy\u017eaduje robustnej\u0161ie usporiadanie lo\u017e\u00edsk, aby zvl\u00e1dli sily z viacer\u00fdch smerov.<\/p>\n

R\u00fdchle porovnanie \u010deln\u00e9 ozuben\u00e9 koles\u00e1 vs. \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1<\/code> za\u0165a\u017eenie je uveden\u00e9 ni\u017e\u0161ie.<\/p>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nPrim\u00e1rne za\u0165a\u017eenie<\/th>\nSekund\u00e1rne za\u0165a\u017eenie<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koleso<\/td>\nRadi\u00e1lne<\/td>\nMinim\u00e1lne<\/td>\n<\/tr>\n
\u0160ikm\u00fd prevod<\/td>\nRadi\u00e1lne<\/td>\nAxi\u00e1lne (\u0165ahov\u00e9)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"R\u00f4zne
Presn\u00e9 lo\u017eisk\u00e1 pre prevodov\u00e9 syst\u00e9my<\/figcaption><\/figure>\n<\/p>\n

Hlb\u0161\u00ed ponor do v\u00fdberu lo\u017e\u00edsk<\/h3>\n

Charakteristiky za\u0165a\u017eenia ka\u017ed\u00e9ho typu prevodovky ur\u010duj\u00fa usporiadanie lo\u017e\u00edsk. Je to z\u00e1kladn\u00fd koncept, ktor\u00fd v\u017edy zd\u00f4raz\u0148ujeme pri na\u0161ich konzult\u00e1ci\u00e1ch o n\u00e1vrhu v spolo\u010dnosti PTSMAKE. Nespr\u00e1vne pochopenie tejto skuto\u010dnosti vedie k pred\u010dasn\u00e9mu zlyhaniu.<\/p>\n

Lo\u017eisk\u00e1 pre \u010deln\u00e9 ozuben\u00e9 koles\u00e1<\/h4>\n

Pri \u010deln\u00fdch ozuben\u00fdch koles\u00e1ch sa pozornos\u0165 s\u00fastre\u010fuje na riadenie radi\u00e1lnych s\u00edl. Jednoduch\u00e9 typy lo\u017e\u00edsk \u010dasto funguj\u00fa dobre.<\/p>\n

Be\u017enou vo\u013ebou s\u00fa gu\u013e\u00f4\u010dkov\u00e9 lo\u017eisk\u00e1 s hlbokou dr\u00e1\u017ekou. S\u00fa cenovo v\u00fdhodn\u00e9 a efekt\u00edvne zvl\u00e1daj\u00fa radi\u00e1lne za\u0165a\u017eenie. V niektor\u00fdch aplik\u00e1ci\u00e1ch s vy\u0161\u0161\u00edm za\u0165a\u017een\u00edm sa m\u00f4\u017eu pou\u017ei\u0165 val\u010dekov\u00e9 lo\u017eisk\u00e1 s v\u00e4\u010d\u0161ou radi\u00e1lnou kapacitou.<\/p>\n

Lo\u017eisk\u00e1 pre \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1<\/h4>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa in\u00e9. Uhol \u0161pir\u00e1ly zubov vytv\u00e1ra s\u00favisl\u00fa tlakov\u00fa silu pozd\u013a\u017e osi hriade\u013ea. T\u00e1to sila je zn\u00e1ma ako axi\u00e1lny \u0165ah<\/a>11<\/a><\/sup>.<\/p>\n

Tento kombinovan\u00fd profil za\u0165a\u017eenia si vy\u017eaduje pokro\u010dilej\u0161ie rie\u0161enia. Jedno gu\u013e\u00f4\u010dkov\u00e9 lo\u017eisko zvy\u010dajne nesta\u010d\u00ed.<\/p>\n

\u010casto odpor\u00fa\u010dame ku\u017eel\u00edkov\u00e9 lo\u017eisk\u00e1. S\u00fa navrhnut\u00e9 tak, aby zvl\u00e1dali ve\u013ek\u00e9 radi\u00e1lne a axi\u00e1lne za\u0165a\u017eenie s\u00fa\u010dasne. Ich usporiadanie do dvoj\u00edc (chrbtom k sebe alebo \u010delne k sebe) je \u0161tandardnou praxou, ktor\u00e1 p\u00f4sob\u00ed proti \u0165ahu v oboch smeroch.<\/p>\n

Tu je n\u00e1vod na v\u00fdber lo\u017eiska.<\/p>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nBe\u017en\u00fd typ lo\u017eiska<\/th>\nD\u00f4vod<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koleso<\/td>\nGu\u013e\u00f4\u010dkov\u00e9 lo\u017eisko s hlbokou dr\u00e1\u017ekou<\/td>\nVynikaj\u00face pre radi\u00e1lne za\u0165a\u017eenie, n\u00e1kladovo efekt\u00edvne.<\/td>\n<\/tr>\n
\u0160ikm\u00fd prevod<\/td>\nKu\u017eel\u00edkov\u00e9 lo\u017eisko<\/td>\nZvl\u00e1dne kombinovan\u00e9 radi\u00e1lne a vysok\u00e9 axi\u00e1lne za\u0165a\u017eenie.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Stru\u010dne povedan\u00e9, \u010deln\u00e9 ozuben\u00e9 koles\u00e1 vy\u017eaduj\u00fa lo\u017eisk\u00e1 pre radi\u00e1lne za\u0165a\u017eenie. \u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 potrebuj\u00fa robustn\u00e9 syst\u00e9my, ako s\u00fa ku\u017eel\u00edkov\u00e9 lo\u017eisk\u00e1, ktor\u00e9 zvl\u00e1daj\u00fa v\u00fdznamn\u00e9 radi\u00e1lne aj axi\u00e1lne sily. Spr\u00e1vny v\u00fdber je k\u013e\u00fa\u010dom k spo\u013eahlivosti a dlhodobej v\u00fdkonnosti prevodovky.<\/p>\n

V ktor\u00fdch aplik\u00e1ci\u00e1ch s\u00fa \u010deln\u00e9 ozuben\u00e9 koles\u00e1 lep\u0161ou vo\u013ebou?<\/h2>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 sa vyn\u00edmaj\u00fa tam, kde s\u00fa k\u013e\u00fa\u010dov\u00e9 jednoduchos\u0165 a cena. S\u00fa to pracovn\u00e9 kone na jednoduch\u00fd prenos v\u00fdkonu medzi paraleln\u00fdmi hriade\u013emi.<\/p>\n

Ich kon\u0161trukcia eliminuje axi\u00e1lny \u0165ah, \u010do zjednodu\u0161uje po\u017eiadavky na lo\u017eisk\u00e1 a kon\u0161trukciu skrine. V\u010faka tomu s\u00fa ide\u00e1lne pre mnoh\u00e9 stroje.<\/p>\n

K\u013e\u00fa\u010dov\u00e9 krit\u00e9ri\u00e1 v\u00fdberu<\/h3>\n

N\u00e1kladov\u00e1 efekt\u00edvnos\u0165<\/h4>\n

V\u00fdroba \u010deln\u00fdch ozuben\u00fdch kolies je vo v\u0161eobecnosti lacnej\u0161ia ako v\u00fdroba \u0161ikm\u00fdch ozuben\u00fdch kolies. To je d\u00f4le\u017eit\u00fd faktor pri ve\u013ekos\u00e9riovej v\u00fdrobe.<\/p>\n

Jednoduchos\u0165 v dizajne<\/h4>\n

V\u010faka jednoduchej geometrii sa \u013eahko navrhuj\u00fa a in\u0161taluj\u00fa. V spolo\u010dnosti PTSMAKE ich dok\u00e1\u017eeme efekt\u00edvne obr\u00e1ba\u0165 s presn\u00fdmi toleranciami.<\/p>\n\n\n\n\n\n\n\n\n
Funkcia<\/th>\n\u010celn\u00e9 ozuben\u00e9 koles\u00e1<\/th>\n\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1<\/th>\n<\/tr>\n<\/thead>\n
N\u00e1klady<\/strong><\/td>\nNi\u017e\u0161ie<\/td>\nVy\u0161\u0161ie<\/td>\n<\/tr>\n
Axi\u00e1lny \u0165ah<\/strong><\/td>\n\u017diadne<\/td>\nS\u00fa\u010dasnos\u0165<\/td>\n<\/tr>\n
Vyrovnanie hriade\u013ea<\/strong><\/td>\nIba paraleln\u00e9<\/td>\nRovnobe\u017en\u00e9 a kolm\u00e9<\/td>\n<\/tr>\n
\u00darove\u0148 hluku<\/strong><\/td>\nVy\u0161\u0161ie<\/td>\nNi\u017e\u0161ie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Presne
Kovov\u00e9 \u010deln\u00e9 ozuben\u00e9 koles\u00e1 na dielenskom stole<\/figcaption><\/figure>\n<\/p>\n

H\u013abkov\u00fd ponor do aplik\u00e1cie<\/h3>\n

V\u00fdber v diskusii o \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch \u010dasto z\u00e1vis\u00ed od po\u017eiadaviek konkr\u00e9tnej aplik\u00e1cie. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 nie s\u00fa len cenovo v\u00fdhodnou vo\u013ebou; v ur\u010dit\u00fdch scen\u00e1roch s\u00fa technicky lep\u0161ou vo\u013ebou. Ich priamy a \u00fa\u010dinn\u00fd prenos v\u00fdkonu je pre jednoduch\u00e9 syst\u00e9my bezkonkuren\u010dn\u00fd.<\/p>\n

Jednoduch\u00e9 prenosy<\/h4>\n

Spome\u0148te si na pr\u00e1\u010dky alebo mix\u00e9ry. Tieto zariadenia potrebuj\u00fa spo\u013eahliv\u00fd prenos kr\u00fatiaceho momentu bez zlo\u017eitosti alebo n\u00e1kladov na pokro\u010dilej\u0161ie prevodov\u00e9 syst\u00e9my. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 to dokonale zabezpe\u010duj\u00fa. Svoju pr\u00e1cu vykon\u00e1vaj\u00fa efekt\u00edvne a zachov\u00e1vaj\u00fa cenov\u00fa dostupnos\u0165 kone\u010dn\u00e9ho v\u00fdrobku pre spotrebite\u013eov.<\/p>\n

Objemov\u00e9 \u010derpadl\u00e1<\/h4>\n

Pod\u013ea na\u0161ich sk\u00fasenost\u00ed s klientmi v oblasti fluidn\u00e9ho priemyslu je presnos\u0165 neoddiskutovate\u013en\u00e1. \u010cerpadl\u00e1, ktor\u00e9 pou\u017e\u00edvaj\u00fa \u010deln\u00e9 ozuben\u00e9 koles\u00e1 so z\u00e1berom, zn\u00e1me ako zubov\u00e9 \u010derpadl\u00e1, sa spoliehaj\u00fa na kon\u0161tantn\u00fd prenos objemu vytvoren\u00fd zubami ozuben\u00e9ho kolesa. T\u00e1to kon\u0161trukcia zabezpe\u010duje st\u00e1ly, nepulzuj\u00faci prietok, ktor\u00fd je pre hydraulick\u00e9 syst\u00e9my rozhoduj\u00faci. Ozuben\u00e9 koles\u00e1 musia by\u0165 presn\u00e9, \u010do je slu\u017eba, na ktor\u00fa sa v spolo\u010dnosti PTSMAKE \u0161pecializujeme prostredn\u00edctvom CNC obr\u00e1bania. Toto je klasick\u00fd pr\u00edpad, ke\u010f jednoduch\u00e1 geometria \u010deln\u00e9ho ozuben\u00e9ho kolesa prekon\u00e1va zlo\u017eit\u00fa geometriu.<\/p>\n

Dopravn\u00e9 syst\u00e9my<\/h4>\n

Dopravn\u00e9 p\u00e1sy v tov\u00e1r\u0148ach alebo skladoch potrebuj\u00fa st\u00e1ly a spo\u013eahliv\u00fd pohyb. Pracuj\u00fa pri miernych r\u00fdchlostiach, pri ktor\u00fdch je hluk men\u0161\u00edm probl\u00e9mom. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 poskytuj\u00fa potrebn\u00fd kr\u00fatiaci moment na pohon p\u00e1sov bez dodato\u010dn\u00fdch n\u00e1kladov a zlo\u017eitosti pri rie\u0161en\u00ed axi\u00e1lnych za\u0165a\u017een\u00ed. Ich odolnos\u0165 zaru\u010duje dlh\u00fa \u017eivotnos\u0165 s minim\u00e1lnou \u00fadr\u017ebou. To je rozhoduj\u00face pre udr\u017eanie plynul\u00e9ho chodu v\u00fdrobn\u00fdch liniek.<\/p>\n\n\n\n\n\n\n\n\n
Aplik\u00e1cia<\/th>\nHlavn\u00fd d\u00f4vod v\u00fdberu \u010deln\u00e9ho ozuben\u00e9ho kolesa<\/th>\n<\/tr>\n<\/thead>\n
Pra\u010dka<\/strong><\/td>\nN\u00edzke n\u00e1klady, jednoduchos\u0165<\/td>\n<\/tr>\n
Prevodov\u00e9 \u010derpadl\u00e1<\/strong><\/td>\nPresn\u00e9 Pozit\u00edvne vytl\u00e1\u010danie<\/a>12<\/a><\/sup>, bez axi\u00e1lneho \u0165ahu<\/td>\n<\/tr>\n
Dopravn\u00e9 p\u00e1sy<\/strong><\/td>\nSpo\u013eahlivos\u0165, n\u00e1kladov\u00e1 efekt\u00edvnos\u0165<\/td>\n<\/tr>\n
Elektrick\u00e9 n\u00e1radie<\/strong><\/td>\nPrenos vysok\u00e9ho kr\u00fatiaceho momentu, jednoduch\u00e1 mont\u00e1\u017e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa vynikaj\u00facou vo\u013ebou pre aplik\u00e1cie, kde je rozhoduj\u00faca jednoduchos\u0165, n\u00e1kladov\u00e1 efekt\u00edvnos\u0165 a absencia axi\u00e1lneho \u0165ahu. Vynikaj\u00fa v jednoduch\u00fdch syst\u00e9moch prenosu energie, ako s\u00fa jednoduch\u00e9 prevodovky, \u010derpadl\u00e1 a dopravn\u00edky, pri\u010dom pon\u00fakaj\u00fa spo\u013eahlivos\u0165 a jednoduch\u00fa \u00fadr\u017ebu.<\/p>\n

V ktor\u00fdch aplik\u00e1ci\u00e1ch s\u00fa \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 povinnou vo\u013ebou?<\/h2>\n

Ak nie je mo\u017en\u00e9 zn\u00ed\u017ei\u0165 v\u00fdkon, jedinou vo\u013ebou s\u00fa \u0161ikm\u00e9 prevody. Ich kon\u0161trukcia je ide\u00e1lna pre aplik\u00e1cie, ktor\u00e9 vy\u017eaduj\u00fa hladk\u00fd a tich\u00fd prenos v\u00fdkonu. Myslite na prostredie s vysokou r\u00fdchlos\u0165ou a vysok\u00fdm za\u0165a\u017een\u00edm.<\/p>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 tu jednoducho nem\u00f4\u017eu konkurova\u0165. Postupn\u00fd z\u00e1ber \u0161ikm\u00fdch zubov zni\u017euje hluk a vibr\u00e1cie. V\u010faka tomu s\u00fa nevyhnutn\u00e9 v \u0161pecifick\u00fdch priemyseln\u00fdch odvetviach.<\/p>\n

Vysoko v\u00fdkonn\u00e9 aplik\u00e1cie<\/h3>\n

Automobilov\u00e9 prevodovky<\/h4>\n

V automobiloch, najm\u00e4 v elektrick\u00fdch vozidl\u00e1ch, je zn\u00ed\u017eenie hluku ve\u013emi d\u00f4le\u017eit\u00e9. \u0160pir\u00e1lov\u00e9 prevody zabezpe\u010duj\u00fa tich\u00fa a plynul\u00fa jazdu pre cestuj\u00facich.<\/p>\n

Priemyseln\u00e9 prevodovky<\/h4>\n

Pre \u0165a\u017ek\u00e9 stroje a turb\u00edny je k\u013e\u00fa\u010dov\u00e1 spo\u013eahlivos\u0165. \u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 zvl\u00e1daj\u00fa vy\u0161\u0161ie za\u0165a\u017eenia a r\u00fdchlosti, \u010d\u00edm zabezpe\u010duj\u00fa dlhodob\u00fa prev\u00e1dzkov\u00fa stabilitu.<\/p>\n\n\n\n\n\n\n\n
Aplik\u00e1cia<\/th>\nK\u013e\u00fa\u010dov\u00e1 po\u017eiadavka<\/th>\nPre\u010do \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1?<\/th>\n<\/tr>\n<\/thead>\n
Automobilov\u00fd priemysel<\/td>\nTich\u00e1 prev\u00e1dzka<\/td>\n\u0160ikm\u00e9 zuby zni\u017euj\u00fa hluk a vibr\u00e1cie.<\/td>\n<\/tr>\n
Turb\u00edny<\/td>\nVysokor\u00fdchlostn\u00fd v\u00fdkon<\/td>\nHladk\u00fd z\u00e1ber zvl\u00e1da vysok\u00e9 ot\u00e1\u010dky.<\/td>\n<\/tr>\n
Priemyseln\u00e9<\/td>\nVysok\u00e1 kapacita za\u0165a\u017eenia<\/td>\nV\u00e4\u010d\u0161\u00ed kontakt zubov rozklad\u00e1 nap\u00e4tie.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Viacn\u00e1sobn\u00e9
\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 s kon\u0161trukciou \u0161ikm\u00fdch zubov<\/figcaption><\/figure>\n<\/p>\n

V diskusii o \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch rozhoduje o v\u00ed\u0165azovi aplik\u00e1cia. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa s\u00edce \u00fa\u010dinn\u00e9 a jednoduch\u0161ie na v\u00fdrobu, ale pri vysok\u00fdch r\u00fdchlostiach s\u00fa hlu\u010dn\u00e9. Je to sp\u00f4soben\u00e9 n\u00e1hlym kontaktom medzi zubami.<\/p>\n

\u0160ikm\u00e9 prevody tento probl\u00e9m rie\u0161ia. \u0160ikm\u00e9 zuby sa postupne zap\u00e1jaj\u00fa po celej ploche ozuben\u00e9ho kolesa. T\u00fdm sa dosiahne ove\u013ea plynulej\u0161\u00ed a tich\u0161\u00ed prenos v\u00fdkonu. Na\u0161e testovanie na PTSMAKE neust\u00e1le ukazuje v\u00fdrazn\u00e9 zn\u00ed\u017eenie hluku, vibr\u00e1ci\u00ed a harshness (NVH).<\/p>\n

In\u017einiersky kompromis<\/h3>\n

T\u00e1to plynul\u00e1 prev\u00e1dzka je spojen\u00e1 s kompromisom. \u0160ikm\u00e9 zuby vytv\u00e1raj\u00fa axi\u00e1lny \u0165ah<\/a>13<\/a><\/sup>, sila, ktor\u00e1 tla\u010d\u00ed ozuben\u00e9 koles\u00e1 od seba pozd\u013a\u017e ich hriade\u013eov. T\u00e1to sila sa mus\u00ed riadi\u0165 pomocou vhodn\u00fdch lo\u017e\u00edsk, ako s\u00fa axi\u00e1lne lo\u017eisk\u00e1.<\/p>\n

To zvy\u0161uje zlo\u017eitos\u0165 a n\u00e1klady na kon\u0161trukciu. Pri aplik\u00e1ci\u00e1ch, kde je najd\u00f4le\u017eitej\u0161\u00ed v\u00fdkon, je to v\u0161ak nevyhnutn\u00e9 technick\u00e9 rozhodnutie. Jeho ignorovanie m\u00f4\u017ee vies\u0165 k pred\u010dasn\u00e9mu zlyhaniu.<\/p>\n

V\u00fdhody \u0161pecifick\u00e9 pre aplik\u00e1ciu<\/h4>\n\n\n\n\n\n\n\n
Funkcia<\/th>\nAutomobilov\u00fd priemysel Benefit<\/th>\nPriemyseln\u00fd pr\u00ednos<\/th>\n<\/tr>\n<\/thead>\n
Hladk\u00e9 zapojenie<\/strong><\/td>\nZv\u00fd\u0161en\u00fd komfort jazdy.<\/td>\nZn\u00ed\u017eenie opotrebovania strojov.<\/td>\n<\/tr>\n
Vysokor\u00fdchlostn\u00e1 schopnos\u0165<\/strong><\/td>\nVhodn\u00e9 pre modern\u00e9 motory a elektrick\u00e9 vozidl\u00e1.<\/td>\nD\u00f4le\u017eit\u00e9 pre turb\u00edny na v\u00fdrobu energie.<\/td>\n<\/tr>\n
V\u00e4\u010d\u0161ia nosnos\u0165<\/strong><\/td>\nZv\u00fd\u0161en\u00e1 spo\u013eahlivos\u0165 prenosu.<\/td>\nDlh\u0161ia \u017eivotnos\u0165 prevodoviek pre vysok\u00e9 za\u0165a\u017eenie.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V spolo\u010dnosti PTSMAKE pom\u00e1hame klientom pri h\u013eadan\u00ed kompromisov. Pom\u00e1hame im vybra\u0165 spr\u00e1vny typ prevodovky a navrhn\u00fa\u0165 podporn\u00e9 syst\u00e9my, aby sa zabezpe\u010dil optim\u00e1lny v\u00fdkon a \u017eivotnos\u0165 pre ich konkr\u00e9tnu aplik\u00e1ciu.<\/p>\n

Pre vysokor\u00fdchlostn\u00e9 syst\u00e9my s vysok\u00fdm v\u00fdkonom, ako s\u00fa automobilov\u00e9 prevodovky a priemyseln\u00e9 turb\u00edny, s\u00fa \u0161ikm\u00e9 prevody povinn\u00e9. Ich kon\u0161trukcia zabezpe\u010duje hladk\u00fa a tich\u00fa prev\u00e1dzku napriek dodato\u010dnej zlo\u017eitosti riadenia axi\u00e1lneho \u0165ahu. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa pre tieto n\u00e1ro\u010dn\u00e9 aplik\u00e1cie jednoducho pr\u00edli\u0161 hlu\u010dn\u00e9.<\/p>\n

Ako sa l\u00ed\u0161i strat\u00e9gia mazania \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch kolies?<\/h2>\n

Hoci v\u0161etky prevody potrebuj\u00fa mazanie, v\u00fdber maziva nie je univerz\u00e1lny. Strat\u00e9gia sa v\u00fdrazne l\u00ed\u0161i pri porovn\u00e1van\u00ed \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch kolies.<\/p>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 \u010dasto dobre funguj\u00fa s univerz\u00e1lnymi mazivami. Ich kon\u0161trukcia s priamym zubom vedie predov\u0161etk\u00fdm k valiv\u00e9mu kontaktu. To znamen\u00e1 men\u0161ie trenie a nahromadenie tepla.<\/p>\n

\u0160ikm\u00e9 prevody v\u0161ak prin\u00e1\u0161aj\u00fa viac posuvn\u00e9ho pohybu. Je to sp\u00f4soben\u00e9 ich \u0161ikm\u00fdmi zubami. Tento klzn\u00fd pohyb m\u00f4\u017ee vytv\u00e1ra\u0165 vy\u0161\u0161ie tlaky a teploty v kontaktn\u00fdch bodoch.<\/p>\n

K\u013e\u00fa\u010dov\u00e9 faktory maziva<\/h3>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nPrim\u00e1rny kontakt<\/th>\nPo\u017eiadavka na mazivo<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koleso<\/strong><\/td>\nRolling<\/td>\nV\u0161eobecn\u00e9 pou\u017eitie, ni\u017e\u0161ia viskozita<\/td>\n<\/tr>\n
\u0160ikm\u00fd prevod<\/strong><\/td>\nPos\u00favanie a valcovanie<\/td>\nVy\u0161\u0161ia viskozita, EP adit\u00edva<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Toto rozl\u00ed\u0161enie je rozhoduj\u00face pre dlhodob\u00fa v\u00fdkonnos\u0165.<\/p>\n

\u00daloha adit\u00edv pre extr\u00e9mne tlaky<\/h3>\n

Hlavn\u00fdm d\u00f4vodom r\u00f4znych potrieb mazania je klzn\u00e9 p\u00f4sobenie v \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch. Toto k\u013azanie pri za\u0165a\u017een\u00ed predstavuje v\u00fdzvu, ktor\u00fa \u0161tandardn\u00e9 maziv\u00e1 nie v\u017edy zvl\u00e1dnu. Vznik\u00e1 pri \u0148om zna\u010dn\u00e9 trecie teplo.<\/p>\n

Toto teplo m\u00f4\u017ee naru\u0161i\u0165 olejov\u00fd film medzi zubami. Ke\u010f tento film zlyh\u00e1, doch\u00e1dza ku kontaktu kovu s kovom, \u010do vedie k odieraniu a pred\u010dasn\u00e9mu opotrebovaniu. Toto je be\u017en\u00fd sp\u00f4sob poruchy, ktor\u00fd sme zaznamenali pri aplik\u00e1ci\u00e1ch s vysok\u00fdm za\u0165a\u017een\u00edm.<\/p>\n

Aby sa tomu zabr\u00e1nilo, maziv\u00e1 pre \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 \u010dasto potrebuj\u00fa \u0161peci\u00e1lne pr\u00edsady. Tu sa pou\u017e\u00edvaj\u00fa maziv\u00e1 so \u0161pecifick\u00fdmi Pr\u00edsady pre extr\u00e9mne tlaky (EP)<\/a>14<\/a><\/sup> sa stali neodvolate\u013en\u00fdmi.<\/p>\n

Kedy s\u00fa potrebn\u00e9 adit\u00edva EP?<\/h4>\n

Na z\u00e1klade na\u0161ich testov s klientmi je potreba EP adit\u00edv jasn\u00e1 za \u0161pecifick\u00fdch podmienok.<\/p>\n\n\n\n\n\n\n\n
Prev\u00e1dzkov\u00fd stav<\/th>\nMazivo na \u010deln\u00e9 ozuben\u00e9 koles\u00e1<\/th>\nMazivo pre \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1<\/th>\n<\/tr>\n<\/thead>\n
N\u00edzka r\u00fdchlos\u0165, n\u00edzke za\u0165a\u017eenie<\/strong><\/td>\n\u0160tandardn\u00fd prevodov\u00fd olej<\/td>\n\u0160tandardn\u00fd prevodov\u00fd olej<\/td>\n<\/tr>\n
Vysok\u00e1 r\u00fdchlos\u0165, vysok\u00e9 za\u0165a\u017eenie<\/strong><\/td>\n\u0160tandardn\u00fd prevodov\u00fd olej<\/td>\nOlej s EP adit\u00edvami<\/td>\n<\/tr>\n
N\u00e1razov\u00e9 za\u0165a\u017eenie<\/strong><\/td>\nM\u00f4\u017ee by\u0165 potrebn\u00fd mierny EP<\/td>\nVy\u017eaduje robustn\u00e9 EP adit\u00edva<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tieto pr\u00edsady vytv\u00e1raj\u00fa na povrchu prevodovky ochrann\u00fa chemick\u00fa vrstvu. T\u00e1to vrstva funguje ako posledn\u00e1 obrann\u00e1 l\u00ednia, ke\u010f je olejov\u00fd film naru\u0161en\u00fd. Zabra\u0148uje zvareniu zubov ozuben\u00e9ho kolesa pod intenz\u00edvnym tlakom. V spolo\u010dnosti PTSMAKE v\u017edy presk\u00famame prev\u00e1dzkov\u00e9 za\u0165a\u017eenie, aby sme mohli odporu\u010di\u0165 spr\u00e1vnu strat\u00e9giu mazania.<\/p>\n

Hoci oba typy ozuben\u00fdch kolies vy\u017eaduj\u00fa mazanie, vy\u0161\u0161ie klzn\u00e9 sily v \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch si \u010dasto vy\u017eaduj\u00fa maziv\u00e1 s EP pr\u00edsadami. T\u00e1to vo\u013eba je rozhoduj\u00faca pre prevenciu opotrebovania a zabezpe\u010denie spo\u013eahlivosti hnacieho \u00fastrojenstva, najm\u00e4 pri vysokom za\u0165a\u017een\u00ed.<\/p>\n

Ako sa d\u00e1 porovna\u0165 citlivos\u0165 nastavenia prevodovky?<\/h2>\n

Vyrovnanie ozuben\u00fdch kolies je rozhoduj\u00face pre v\u00fdkon a \u017eivotnos\u0165. Aj mierne nespr\u00e1vne nastavenie m\u00f4\u017ee sp\u00f4sobi\u0165 ve\u013ek\u00e9 probl\u00e9my.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa na to vo v\u0161eobecnosti citlivej\u0161ie. Ich \u0161ikm\u00e9 zuby si vy\u017eaduj\u00fa presn\u00e9 umiestnenie.<\/p>\n

Bez nej sa z\u00e1\u0165a\u017e nerozlo\u017e\u00ed rovnomerne. To vedie k hluku, vibr\u00e1ci\u00e1m a pred\u010dasn\u00e9mu zlyhaniu. Po\u010fme presk\u00fama\u0165, pre\u010do k tomu doch\u00e1dza.<\/p>\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nCitlivos\u0165 na zarovnanie<\/th>\nHlavn\u00fd d\u00f4vod<\/th>\n<\/tr>\n<\/thead>\n
\u010celn\u00e9 ozuben\u00e9 koles\u00e1<\/strong><\/td>\nMenej citliv\u00e9 (na paraleln\u00e9)<\/td>\nCelo\u010diarov\u00fd kontakt pozd\u013a\u017e \u010dela zuba.<\/td>\n<\/tr>\n
\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1<\/strong><\/td>\nCitlivej\u0161ie<\/td>\nUhlov\u00fd kontakt vy\u017eaduje dokonal\u00fa rovnobe\u017enos\u0165 hriade\u013ea.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Dva
Presn\u00e9 kovov\u00e9 prevody na pracovnom stole<\/figcaption><\/figure>\n<\/p>\n

Kritick\u00e1 povaha nastavenia hriade\u013ea<\/h3>\n

V ka\u017edom prevodovom syst\u00e9me je cie\u013eom dokonal\u00e9 vyrovnanie hriade\u013ea. V skuto\u010dnosti v\u0161ak v\u017edy existuj\u00fa mal\u00e9 odch\u00fdlky. To, ako sa jednotliv\u00e9 typy ozuben\u00fdch kolies vyrovn\u00e1vaj\u00fa s touto nedokonalos\u0165ou, je k\u013e\u00fa\u010dov\u00fdm faktorom v diskusii o \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch.<\/p>\n

Vysvetlenie citlivosti \u0161ikm\u00e9ho ozuben\u00e9ho kolesa<\/h4>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 dosahuj\u00fa hladk\u00fd a tich\u00fd chod v\u010faka postupn\u00e9mu z\u00e1beru zubov. Kontakt za\u010d\u00edna na jednom konci zuba a pohybuje sa po jeho \u010delnej strane.<\/p>\n

Tento postupn\u00fd kontakt je silnou str\u00e1nkou, ale aj slabinou. Ak s\u00fa hriadele zle nastaven\u00e9, za\u0165a\u017eenie sa s\u00fastre\u010fuje na jednu \u010das\u0165 zuba. Vznikaj\u00fa tak lokalizovan\u00e9 tlakov\u00e9 body, resp. koncentr\u00e1cia nap\u00e4tia<\/a>15<\/a><\/sup>, \u010do vedie k zr\u00fdchlen\u00e9mu opotrebovaniu a vzniku jamiek.<\/p>\n

Pri na\u0161ej pr\u00e1ci v spolo\u010dnosti PTSMAKE sme boli svedkami pred\u010dasn\u00e9ho zlyhania \u0161ikm\u00fdch prevodoviek v d\u00f4sledku drobn\u00fdch mont\u00e1\u017enych ch\u00fdb. V\u00fdsledn\u00fd nerovnomern\u00fd vzor opotrebovania je jasn\u00fdm znakom probl\u00e9mov s nastaven\u00edm.<\/p>\n\n\n\n\n\n\n
Typ nes\u00faososti<\/th>\nVplyv na \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1<\/th>\nVplyv na \u010deln\u00e9 ozuben\u00e9 koles\u00e1<\/th>\n<\/tr>\n<\/thead>\n
Paraleln\u00e9<\/strong><\/td>\nVysok\u00e1. Sp\u00f4sobuje koncentr\u00e1ciu za\u0165a\u017eenia na koncoch zubov.<\/td>\nMierne. St\u00e1le udr\u017eiava kontakt s l\u00edniou, ale nerovnomerne.<\/td>\n<\/tr>\n
Angular<\/strong><\/td>\nVe\u013emi vysok\u00e1. Drasticky men\u00ed kontaktn\u00fd vzor a za\u0165a\u017eenie.<\/td>\nVysok\u00e1. Vedie k za\u0165a\u017eeniu hr\u00e1n a vysok\u00e9mu nam\u00e1haniu.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Odpustenie \u010deln\u00e9ho ozuben\u00e9ho kolesa<\/h4>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 s rovn\u00fdmi zubami s\u00fa \u0161etrnej\u0161ie k miernemu paraleln\u00e9mu vych\u00fdleniu hriade\u013ea. Za\u0165a\u017eenie je rozlo\u017een\u00e9 na cel\u00fa plochu zubov.<\/p>\n

Nie s\u00fa s\u00edce im\u00fanne, ale lep\u0161ie zn\u00e1\u0161aj\u00fa drobn\u00e9 nedokonalosti bez okam\u017eit\u00e9ho katastrofick\u00e9ho zlyhania. Av\u0161ak uhlov\u00e9 nes\u00faososti s\u00fa st\u00e1le ve\u013emi \u0161kodliv\u00e9.<\/p>\n

\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 si vy\u017eaduj\u00fa vy\u0161\u0161iu presnos\u0165 pri mont\u00e1\u017ei. Ich kon\u0161trukcia, ktor\u00e1 zabezpe\u010duje plynul\u00fa prev\u00e1dzku, ich z\u00e1rove\u0148 rob\u00ed citlivej\u0161\u00edmi na nespr\u00e1vne nastavenie. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 pon\u00fakaj\u00fa v\u00e4\u010d\u0161iu toleranciu, najm\u00e4 v pr\u00edpade odch\u00fdlok paraleln\u00fdch hriade\u013eov, v\u010faka \u010domu s\u00fa v niektor\u00fdch aplik\u00e1ci\u00e1ch robustnej\u0161ie.<\/p>\n

Ako prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165 obmedzuje ich pr\u00edslu\u0161n\u00e9 aplik\u00e1cie?<\/h2>\n

Prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165 je rozhoduj\u00facim faktorom pri v\u00fdbere medzi \u010deln\u00fdmi a \u0161ikm\u00fdmi ozuben\u00fdmi kolesami. M\u00e1 priamy vplyv na hluk, vibr\u00e1cie a dynamick\u00e9 za\u0165a\u017eenie v syst\u00e9me.<\/p>\n

Pre \u010deln\u00e9 ozuben\u00e9 koles\u00e1 existuje praktick\u00fd limit r\u00fdchlosti. Ich kon\u0161trukcia s rovn\u00fdmi zubami sp\u00f4sobuje n\u00e1hly celo\u010diarov\u00fd kontakt po\u010das z\u00e1beru. To vytv\u00e1ra n\u00e1razov\u00e9 sily, ktor\u00e9 sa s r\u00fdchlos\u0165ou zvy\u0161uj\u00fa.<\/p>\n

Toto je k\u013e\u00fa\u010dov\u00fd faktor v diskusii o \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch koles\u00e1ch. Ni\u017e\u0161ie je uveden\u00e9 r\u00fdchle porovnanie ich vlastnost\u00ed s\u00favisiacich s r\u00fdchlos\u0165ou.<\/p>\n\n\n\n\n\n\n\n
Funkcia<\/th>\n\u010celn\u00e9 ozuben\u00e9 koles\u00e1<\/th>\n\u0160ikm\u00e9 ozuben\u00e9 koles\u00e1<\/th>\n<\/tr>\n<\/thead>\n
Vhodnos\u0165 r\u00fdchlosti<\/td>\nN\u00edzka a\u017e stredne vysok\u00e1<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
Hluk pri r\u00fdchlosti<\/td>\nVysok\u00e1<\/td>\nN\u00edzka<\/td>\n<\/tr>\n
Vplyv na sie\u0165ovanie<\/td>\nV\u00fdznamn\u00e9<\/td>\nMinim\u00e1lne<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tento n\u00e1hly z\u00e1ber je d\u00f4vodom, pre\u010do s\u00fa \u010deln\u00e9 prevody pri vy\u0161\u0161\u00edch r\u00fdchlostiach hlu\u010dn\u00e9 a vibruj\u00fa.<\/p>\n

\"Porovnanie
Porovnanie \u010deln\u00e9ho a \u0161ikm\u00e9ho ozuben\u00e9ho kolesa<\/figcaption><\/figure>\n<\/p>\n

V\u00fdzva r\u00fdchlosti s \u010deln\u00fdmi ozuben\u00fdmi kolesami<\/h3>\n

Hlavn\u00fdm probl\u00e9mom \u010deln\u00fdch prevodov pri vysok\u00fdch r\u00fdchlostiach je ich geometria. Cel\u00e1 plocha zuba sa zaber\u00e1 naraz. Predstavte si to ako mal\u00fd, r\u00fdchly kladivkov\u00fd efekt. Ke\u010f sa ozuben\u00e9 koleso ot\u00e1\u010da r\u00fdchlej\u0161ie, tieto n\u00e1razy s\u00fa \u010dastej\u0161ie a silnej\u0161ie.<\/p>\n

T\u00fdm sa generuje zna\u010dn\u00fd dynamick\u00e9 za\u0165a\u017eenie<\/a>16<\/a><\/sup>, \u010d\u00edm sa nam\u00e1haj\u00fa zuby prevodovky a vznik\u00e1 po\u010dute\u013en\u00fd hluk. Po prekro\u010den\u00ed ur\u010ditej r\u00fdchlosti ot\u00e1\u010dania m\u00f4\u017eu tieto vibr\u00e1cie ohrozi\u0165 spo\u013eahlivos\u0165 a v\u00fdkon cel\u00e9ho syst\u00e9mu. T\u00fdm sa v skuto\u010dnosti vytv\u00e1ra praktick\u00fd r\u00fdchlostn\u00fd limit pre ich pou\u017eitie.<\/p>\n

Pre\u010do \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 vynikaj\u00fa pri vysok\u00fdch r\u00fdchlostiach<\/h3>\n

\u0160ikm\u00e9 prevody toto obmedzenie elegantne prekon\u00e1vaj\u00fa. Ich \u0161ikm\u00e9 zuby zabezpe\u010duj\u00fa, \u017ee kontakt za\u010d\u00edna na jednom konci zuba a plynule postupuje po celej jeho ploche. Tento postupn\u00fd z\u00e1ber eliminuje n\u00e1razov\u00e9 sily charakteristick\u00e9 pre \u010deln\u00e9 ozuben\u00e9 koles\u00e1.<\/p>\n

Toto hladk\u00e9 ok\u00e1 umo\u017e\u0148uj\u00fa tich\u0161iu prev\u00e1dzku a v\u00fdrazne menej vibr\u00e1ci\u00ed. V projektoch, ktor\u00e9 rie\u0161ime v spolo\u010dnosti PTSMAKE, s\u00fa v\u010faka tejto kvalite \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1 \u0161tandardnou vo\u013ebou pre aplik\u00e1cie vy\u017eaduj\u00face vysok\u00e9 r\u00fdchlosti ot\u00e1\u010dania, ako napr\u00edklad v automobilov\u00fdch prevodovk\u00e1ch alebo presn\u00fdch priemyseln\u00fdch strojoch.<\/p>\n\n\n\n\n\n\n
Rozsah r\u00fdchlosti<\/th>\nUprednost\u0148ovan\u00fd typ prevodovky<\/th>\nK\u013e\u00fa\u010dov\u00e9 od\u00f4vodnenie<\/th>\n<\/tr>\n<\/thead>\n
N\u00edzka a\u017e stredne vysok\u00e1<\/td>\n\u010celn\u00e9 ozuben\u00e9 koleso<\/td>\nJednoduchos\u0165 a hospod\u00e1rnos\u0165.<\/td>\n<\/tr>\n
Vysok\u00e1<\/td>\n\u0160ikm\u00fd prevod<\/td>\nPlynul\u00e1, tich\u00e1 prev\u00e1dzka a spo\u013eahlivos\u0165.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tento z\u00e1sadn\u00fd rozdiel v zapojen\u00ed je to, \u010do odli\u0161uje ich sortiment aplik\u00e1ci\u00ed.<\/p>\n

\u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa obmedzen\u00e9 r\u00fdchlos\u0165ou v d\u00f4sledku n\u00e1razov\u00fdch s\u00edl a hluku sp\u00f4soben\u00e9ho n\u00e1hlym z\u00e1berom zubov. \u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 s postupn\u00fdm z\u00e1berom pracuj\u00fa hladko a ticho, preto s\u00fa nevyhnutn\u00e9 pre vysokor\u00fdchlostn\u00e9 aplik\u00e1cie, kde je rozhoduj\u00faca spo\u013eahlivos\u0165 a n\u00edzka hlu\u010dnos\u0165.<\/p>\n

Ako vybra\u0165 spr\u00e1vny typ prevodovky pre dan\u00fa aplik\u00e1ciu?<\/h2>\n

V\u00fdber spr\u00e1vnej v\u00fdbavy zah\u0155\u0148a \u0161trukt\u00farovan\u00fd proces. Nie je to len o jednej \u0161pecifik\u00e1cii. Mus\u00edte vyv\u00e1\u017ei\u0165 nieko\u013eko k\u013e\u00fa\u010dov\u00fdch faktorov.<\/p>\n

T\u00fdm sa zabezpe\u010d\u00ed, \u017ee kone\u010dn\u00fd v\u00fdber sp\u013a\u0148a v\u0161etky v\u00fdkonnostn\u00e9 ciele. V\u017edy za\u010d\u00ednam s prim\u00e1rnymi po\u017eiadavkami na aplik\u00e1ciu.<\/p>\n

K\u013e\u00fa\u010dov\u00e9 faktory rozhodovania<\/h3>\n

Jasn\u00fd r\u00e1mec zabra\u0148uje n\u00e1kladn\u00fdm chyb\u00e1m. Pred rozhodnut\u00edm zv\u00e1\u017ete t\u00fdchto p\u00e4\u0165 kritick\u00fdch oblast\u00ed. Ka\u017ed\u00e1 z nich ovplyv\u0148uje vhodnos\u0165 zariadenia.<\/p>\n\n\n\n\n\n\n\n\n\n
Faktor<\/th>\nPopis<\/th>\n<\/tr>\n<\/thead>\n
Ot\u00e1\u010dky (RPM)<\/strong><\/td>\nPo\u017eadovan\u00e9 prev\u00e1dzkov\u00e9 ot\u00e1\u010dky.<\/td>\n<\/tr>\n
Kr\u00fatiaci moment<\/strong><\/td>\nOt\u00e1\u010dav\u00e1 sila, ktor\u00fa mus\u00ed prevodovka pren\u00e1\u0161a\u0165.<\/td>\n<\/tr>\n
\u00darove\u0148 hluku<\/strong><\/td>\nPr\u00edpustn\u00e1 \u00farove\u0148 hluku po\u010das prev\u00e1dzky.<\/td>\n<\/tr>\n
Rozpo\u010det<\/strong><\/td>\nObmedzenia n\u00e1kladov na komponent.<\/td>\n<\/tr>\n
Priestorov\u00e9 obmedzenia<\/strong><\/td>\nFyzick\u00fd priestor, ktor\u00fd je k dispoz\u00edcii pre syst\u00e9m prevodovky.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V\u00fdberov\u00fd r\u00e1mec krok za krokom<\/h3>\n

V spolo\u010dnosti PTSMAKE vedieme na\u0161ich partnerov systematick\u00fdm procesom. Za\u010d\u00edna sa definovan\u00edm prim\u00e1rnych po\u017eiadaviek. T\u00fdm sa zabezpe\u010d\u00ed v\u00fdber spr\u00e1vnej prevodovky z h\u013eadiska v\u00fdkonu aj vyrobite\u013enosti.<\/p>\n

Be\u017en\u00fdm v\u00fdchodiskov\u00fdm bodom je v\u00fdber \u010deln\u00fdch a \u0161ikm\u00fdch ozuben\u00fdch kolies. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa \u00fa\u010dinn\u00e9 a cenovo v\u00fdhodn\u00e9 pre stredn\u00e9 r\u00fdchlosti. \u0160ikm\u00e9 ozuben\u00e9 koles\u00e1 pracuj\u00fa hlad\u0161ie a tich\u0161ie, tak\u017ee s\u00fa ide\u00e1lne pre vysokor\u00fdchlostn\u00e9 aplik\u00e1cie alebo aplik\u00e1cie citliv\u00e9 na hluk.<\/p>\n

Rozhodnutie je v\u0161ak m\u00e1lokedy tak\u00e9 jednoduch\u00e9. Mus\u00edte zv\u00e1\u017ei\u0165, ako si jednotliv\u00e9 typy v\u00fdstroja po\u010d\u00ednaj\u00fa vo v\u0161etk\u00fdch krit\u00e9ri\u00e1ch. Presn\u00e9 aplik\u00e1cie tie\u017e zav\u00e1dzaj\u00fa faktory, ako napr. sp\u00e4tn\u00e1 v\u00e4zba<\/a>17<\/a><\/sup>, \u010do m\u00f4\u017ee by\u0165 rozhoduj\u00face.<\/p>\n

Rozhodovacia matica pre v\u00fdber v\u00fdstroja<\/h4>\n

S klientmi \u010dasto pou\u017e\u00edvame rozhodovaciu maticu. Tento n\u00e1stroj pom\u00e1ha vizualizova\u0165 kompromisy medzi r\u00f4znymi typmi v\u00fdstroja. Poskytuje jasn\u00fa, \u00fadajmi podlo\u017een\u00fa cestu k najlep\u0161iemu rie\u0161eniu.<\/p>\n\n\n\n\n\n\n\n\n
Typ prevodovky<\/th>\nHodnotenie r\u00fdchlosti<\/th>\nKapacita kr\u00fatiaceho momentu<\/th>\n\u00darove\u0148 hluku<\/th>\nRelat\u00edvne n\u00e1klady<\/th>\n\u00da\u010dinnos\u0165<\/th>\n<\/tr>\n<\/thead>\n
Ostrie<\/strong><\/td>\nStredn\u00e9<\/td>\nStredn\u00e9<\/td>\nVysok\u00e1<\/td>\nN\u00edzka<\/td>\nVe\u013emi vysok\u00e1<\/td>\n<\/tr>\n
\u0160pir\u00e1la<\/strong><\/td>\nVysok\u00e1<\/td>\nVysok\u00e1<\/td>\nN\u00edzka<\/td>\nStredn\u00e9<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
Skosenie<\/strong><\/td>\nStredn\u00e9<\/td>\nStredn\u00e9<\/td>\nStredn\u00e9<\/td>\nVysok\u00e1<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
\u010cerv\u00edk<\/strong><\/td>\nN\u00edzka<\/td>\nVe\u013emi vysok\u00e1<\/td>\nVe\u013emi n\u00edzka<\/td>\nStredn\u00e9<\/td>\nN\u00edzka a stredn\u00e1 \u00farove\u0148<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u00e1to matica je v\u00fdchodiskov\u00fdm bodom. Spr\u00e1vnu rovnov\u00e1hu ur\u010d\u00ed va\u0161a konkr\u00e9tna aplik\u00e1cia.<\/p>\n

\u0160trukt\u00farovan\u00fd rozhodovac\u00ed r\u00e1mec zjednodu\u0161uje v\u00fdber v\u00fdstroja. Vyhodnoten\u00edm po\u017eiadaviek, ako s\u00fa r\u00fdchlos\u0165, kr\u00fatiaci moment, hluk, rozpo\u010det a priestor, m\u00f4\u017eete systematicky ur\u010di\u0165 optim\u00e1lny typ prevodovky pre va\u0161e \u0161pecifick\u00e9 potreby, vyhn\u00fa\u0165 sa dohadom a zabezpe\u010di\u0165 spo\u013eahliv\u00fd v\u00fdkon.<\/p>\n

Ako si vybra\u0165 spr\u00e1vny materi\u00e1l pre v\u00fdstroj?<\/h2>\n

V\u00fdber spr\u00e1vneho materi\u00e1lu v\u00fdstroja je ve\u013emi d\u00f4le\u017eit\u00fdm rozhodnut\u00edm. M\u00e1 priamy vplyv na v\u00fdkon, \u017eivotnos\u0165 a celkov\u00e9 n\u00e1klady v\u00e1\u0161ho v\u00fdrobku. Pri v\u00fdbere sa mus\u00edte riadi\u0165 \u0161pecifick\u00fdmi po\u017eiadavkami va\u0161ej aplik\u00e1cie.<\/p>\n

Myslite na faktory, ako je za\u0165a\u017eenie, r\u00fdchlos\u0165 a prev\u00e1dzkov\u00e9 prostredie. Oce\u013eov\u00e9 ozuben\u00e9 koleso s vysok\u00fdm kr\u00fatiacim momentom pre automobilov\u00fa prevodovku m\u00e1 \u00faplne in\u00e9 potreby ako plastov\u00e9 ozuben\u00e9 koleso s n\u00edzkou hlu\u010dnos\u0165ou v kancel\u00e1rskej tla\u010diarni.<\/p>\n

Tu je stru\u010dn\u00fd preh\u013ead na za\u010diatok:<\/p>\n\n\n\n\n\n\n\n
Kateg\u00f3ria materi\u00e1lu<\/th>\nK\u013e\u00fa\u010dov\u00e1 v\u00fdhoda<\/th>\nBe\u017en\u00fd pr\u00edpad pou\u017eitia<\/th>\n<\/tr>\n<\/thead>\n
Oce\u013eov\u00e9 zliatiny<\/td>\nVysok\u00e1 pevnos\u0165 a odolnos\u0165<\/td>\nAutomobilov\u00e9 prevodovky<\/td>\n<\/tr>\n
Plasty<\/td>\nN\u00edzka hlu\u010dnos\u0165 a odolnos\u0165 proti kor\u00f3zii<\/td>\nKancel\u00e1rske zariadenia, zdravotn\u00edcke zariadenia<\/td>\n<\/tr>\n
Bronzov\u00e9 zliatiny<\/td>\nN\u00edzke trenie a tvarovate\u013enos\u0165<\/td>\nPoh\u00e1\u0148anie \u0161nekov\u00fdch prevodoviek<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u00e1to pr\u00edru\u010dka v\u00e1m pom\u00f4\u017ee zorientova\u0165 sa v t\u00fdchto mo\u017enostiach v\u00e1\u0161ho projektu.<\/p>\n

\"R\u00f4zne
R\u00f4zne materi\u00e1lov\u00e9 prevody na stole<\/figcaption><\/figure>\n<\/p>\n

Po\u010fme sa ponori\u0165 hlb\u0161ie do praktick\u00e9ho sprievodcu v\u00fdberom materi\u00e1lu. Najlep\u0161\u00ed v\u00fdber v\u017edy vyva\u017euje v\u00fdkon a rozpo\u010det. V spolo\u010dnosti PTSMAKE \u010dasto za\u010d\u00edname anal\u00fdzou prev\u00e1dzkov\u00fdch s\u00edl a prostredia, aby sme na\u0161li t\u00fato rovnov\u00e1hu.<\/p>\n

Oce\u013eov\u00e9 zliatiny pre vysoko nam\u00e1han\u00e9 pracovn\u00e9 miesta<\/h3>\n

Pre vysok\u00fa pevnos\u0165 a odolnos\u0165 je vhodn\u00fdm materi\u00e1lom oce\u013e. V\u00fdnimo\u010dne dobre zvl\u00e1da vysok\u00e9 za\u0165a\u017eenie a opotrebovanie, \u010di u\u017e ide o \u010deln\u00e9 alebo \u0161ikm\u00e9 ozuben\u00e9 koles\u00e1. Tepeln\u00e9 spracovanie m\u00f4\u017ee tie\u017e v\u00fdrazne zlep\u0161i\u0165 jej vlastnosti.<\/p>\n\n\n\n\n\n\n
Oce\u013eov\u00e1 zliatina<\/th>\nNajlep\u0161ie pre<\/th>\nK\u013e\u00fa\u010dov\u00e1 funkcia<\/th>\n<\/tr>\n<\/thead>\n
Oce\u013e 4140<\/strong><\/td>\nVysok\u00fd kr\u00fatiaci moment a h\u00fa\u017eevnatos\u0165<\/td>\nSchopnos\u0165 priebe\u017en\u00e9ho vytvrdzovania<\/td>\n<\/tr>\n
8620 Oce\u013e<\/strong><\/td>\nN\u00e1razov\u00e9 a povrchov\u00e9 opotrebenie<\/td>\nVynikaj\u00face na kalenie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Plasty pre \u0161pecializovan\u00e9 aplik\u00e1cie<\/h3>\n

Nepodce\u0148ujte plasty. Rie\u0161ia be\u017en\u00e9 probl\u00e9my, ako je hluk, kor\u00f3zia a potreba extern\u00e9ho mazania. Na z\u00e1klade n\u00e1\u0161ho testovania s\u00fa ide\u00e1lne pre aplik\u00e1cie s men\u0161\u00edm za\u0165a\u017een\u00edm, kde s\u00fa tieto faktory kritick\u00e9.<\/p>\n

Jedine\u010dn\u00fd tribologick\u00e9 vlastnosti<\/a>18<\/a><\/sup> plastov s\u00fa nevyhnutn\u00e9 v mnoh\u00fdch modern\u00fdch dizajnoch.<\/p>\n

Ob\u013e\u00faben\u00e9 plastov\u00e9 mo\u017enosti<\/h4>\n