{"id":2341,"date":"2026-06-25T03:34:23","date_gmt":"2026-06-25T03:34:23","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2341"},"modified":"2026-06-25T03:35:20","modified_gmt":"2026-06-25T03:35:20","slug":"helical-gear-vs-worm-gear-complete-comparison-for-drive-selection","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/cs\/helical-gear-vs-worm-gear-complete-comparison-for-drive-selection\/","title":{"rendered":"\u0160roubov\u00e9 p\u0159evodovky vs. \u0161nekov\u00e9 p\u0159evodovky \u2013 kompletn\u00ed srovn\u00e1n\u00ed pro v\u00fdb\u011br pohonu"},"content":{"rendered":"
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\u0160roubov\u00e9 p\u0159evodovky vs. \u0161nekov\u00e9 p\u0159evodovky \u2013 kompletn\u00ed srovn\u00e1n\u00ed \u00fa\u010dinnosti, p\u0159evodov\u00e9ho pom\u011bru, hluku a n\u00e1klad\u016f<\/h1>\n

Volba mezi spir\u00e1lov\u00fdm a \u0161nekov\u00fdm p\u0159evodem je jednou z nej\u010dast\u011bj\u0161\u00edch ot\u00e1zek p\u0159i v\u00fdb\u011bru pr\u016fmyslov\u00e9 p\u0159evodovky \u2013 a z\u00e1rove\u0148 jednou z t\u011bch, na kter\u00e9 se nej\u010dast\u011bji klade nespr\u00e1vn\u00e1 odpov\u011b\u010f, a to sp\u00ed\u0161e podle znalost\u00ed ne\u017e technick\u00fdch krit\u00e9ri\u00ed. \u0160nekov\u00fd p\u0159evod nen\u00ed jen ti\u0161\u0161\u00ed verz\u00ed spir\u00e1lov\u00e9ho pohonu: tyto dva typy se z\u00e1sadn\u011b li\u0161\u00ed geometri\u00ed h\u0159\u00eddele, kontaktn\u00edm mechanismem, \u00fa\u010dinnost\u00ed, p\u0159evodov\u00fdm pom\u011brem a tepeln\u00fdm chov\u00e1n\u00edm. Tato p\u0159\u00edru\u010dka pokr\u00fdv\u00e1 v\u0161echna srovn\u00e1vac\u00ed krit\u00e9ria s kvantifikovan\u00fdmi hodnotami pro spr\u00e1vn\u00fd v\u00fdb\u011br pohonu.<\/p>\n

Z\u00edskejte doporu\u010den\u00ed pro \u0161ikm\u00e9 ozuben\u00e9 kolo \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

Z\u00e1kladn\u00ed rozd\u00edl v geometrii<\/h2>\n

Nejd\u016fle\u017eit\u011bj\u0161\u00ed rozd\u00edl mezi spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> Pohon a \u0161nekov\u00fd p\u0159evod je geometrie h\u0159\u00eddele, kterou slou\u017e\u00ed. Konfigurace spir\u00e1lov\u00e9ho p\u0159evodu je navr\u017eena pro paraleln\u00ed h\u0159\u00eddele \u2013 vstupn\u00ed a v\u00fdstupn\u00ed h\u0159\u00eddel jsou vedle sebe a dvojice ozuben\u00fdch kol m\u016f\u017ee b\u00fdt dimenzov\u00e1na pro libovoln\u00fd p\u0159evodov\u00fd pom\u011br od 1:1 do p\u0159ibli\u017en\u011b 8:1 v jednom stupni. \u0160nekov\u00e1 dvojice ozuben\u00fdch kol p\u0159en\u00e1\u0161\u00ed v\u00fdkon mezi h\u0159\u00eddeli pod \u00fahlem 90\u00b0 \u2013 \u0161nek (\u0161roubovit\u00fd z\u00e1vit) zab\u00edr\u00e1 se \u0161nekov\u00fdm kolem v prav\u00e9m \u00fahlu a jeden stupe\u0148 m\u016f\u017ee dos\u00e1hnout p\u0159evodov\u00fdch pom\u011br\u016f od 5:1 do 100:1.<\/p>\n

Tento geometrick\u00fd rozd\u00edl znamen\u00e1, \u017ee tyto dva typy jsou z\u0159\u00eddka p\u0159\u00edmou alternativou \u2013 jsou vyb\u00edr\u00e1ny pro r\u016fzn\u00e1 uspo\u0159\u00e1d\u00e1n\u00ed pohon\u016f. V\u00edcestup\u0148ov\u00e9 spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> Pohony mohou dos\u00e1hnout \u00fahlu h\u0159\u00eddele 90\u00b0 pomoc\u00ed ku\u017eelov\u00fdch nebo zk\u0159\u00ed\u017een\u00fdch \u0161roubovicov\u00fdch mezistup\u0148\u016f a \u0161nekov\u00e9 p\u0159evody lze kombinovat s spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> stupn\u011b v kombinovan\u00fdch p\u0159evodovk\u00e1ch. N\u00ed\u017ee uveden\u00e9 srovn\u00e1n\u00ed se zam\u011b\u0159uje na p\u0159\u00edpady, kdy jsou ob\u011b skute\u010dn\u011b zam\u011bniteln\u00e9 alternativy.<\/p>\n

Efektivita \u2013 nejv\u00fdznamn\u011bj\u0161\u00ed rozd\u00edl<\/h2>\n

\"Porovn\u00e1n\u00ed<\/p>\n

Z\u00e1kladn\u00ed rozd\u00edl v kontaktu: dvojice spir\u00e1lov\u00fdch ozuben\u00fdch kol m\u00e1 p\u0159ev\u00e1\u017en\u011b valiv\u00fd kontakt (vysok\u00e1 \u00fa\u010dinnost, 98\u2013991 TP3T); dvojice \u0161nekov\u00fdch ozuben\u00fdch kol m\u00e1 p\u0159ev\u00e1\u017en\u011b kluzn\u00fd kontakt (ni\u017e\u0161\u00ed \u00fa\u010dinnost, 60\u2013901 TP3T v z\u00e1vislosti na \u00fahlu stoup\u00e1n\u00ed). Tento jedin\u00fd rozd\u00edl v kontaktn\u00edm mechanismu ur\u010duje v\u011bt\u0161inu v\u00fdkonu, generov\u00e1n\u00ed tepla a n\u00e1kladov\u00fdch d\u016fsledk\u016f.<\/p>\n

Efektivita je nejd\u016fle\u017eit\u011bj\u0161\u00edm rozd\u00edlem mezi spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> a \u0161nekov\u00fdch p\u0159evod\u016f. Uspo\u0159\u00e1d\u00e1n\u00ed \u0161nekov\u00e9ho p\u0159evodu s p\u0159\u00ed\u010dnou osou 90\u00b0 vytv\u00e1\u0159\u00ed p\u0159ev\u00e1\u017en\u011b kluzn\u00fd kontakt zub\u016f \u2013 z\u00e1vit \u0161neku se klou\u017ee po zubu \u0161nekov\u00e9ho kola t\u00e9m\u011b\u0159 po cel\u00e9 kontaktn\u00ed plo\u0161e s velmi malou valivou slo\u017ekou. Tento kluzn\u00fd kontakt je ze sv\u00e9 podstaty m\u00e9n\u011b \u00fa\u010dinn\u00fd ne\u017e p\u0159ev\u00e1\u017en\u011b valiv\u00fd kontakt \u0161nekov\u00e9ho kola spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> p\u00e1r:<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Typ pohonu<\/th>\nJednostup\u0148ov\u00e1 \u00fa\u010dinnost<\/th>\nTeplo p\u0159i p\u0159\u00edkonu 10 kW<\/th>\nTeplo p\u0159i p\u0159\u00edkonu 100 kW<\/th>\n<\/tr>\n<\/thead>\n
\u0160roubovit\u00e9 ozuben\u00e9 kolo<\/strong> (mlet\u00fd, PAO olej)<\/td>\n98,8\u201399,4%<\/td>\n60\u2013120 W<\/td>\n600 W\u20131,2 kW<\/td>\n<\/tr>\n
\u0160roubovit\u00e9 ozuben\u00e9 kolo<\/strong> (odva\u0159en\u00e9, miner\u00e1ln\u00ed olej)<\/td>\n97,5\u201398,5%<\/td>\n150\u2013250 W<\/td>\n1,5\u20132,5 kW<\/td>\n<\/tr>\n
\u0160nekov\u00e9 kolo (\u00fahel stoup\u00e1n\u00ed 20\u201325\u00b0)<\/td>\n82\u201390%<\/td>\n1,0\u20131,8 kW<\/td>\n10\u201318 kW<\/td>\n<\/tr>\n
\u0160nekov\u00e9 kolo (\u00fahel stoup\u00e1n\u00ed 10\u201315\u00b0)<\/td>\n75\u201385%<\/td>\n1,5\u20132,5 kW<\/td>\n15\u201325 kW<\/td>\n<\/tr>\n
\u0160nekov\u00fd p\u0159evod (\u00fahel stoup\u00e1n\u00ed 5\u00b0, vysok\u00fd p\u0159evodov\u00fd pom\u011br)<\/td>\n60\u201372%<\/td>\n2,8\u20134,0 kW<\/td>\n28\u201340 kW<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Tepeln\u00fd d\u016fsledek:<\/strong> \u0160nekov\u00e1 p\u0159evodovka s v\u00fdkonem 100 kW a \u00fa\u010dinnost\u00ed 85% generuje 15 kW tepla \u2013 co\u017e vy\u017eaduje zna\u010dn\u00fd chladi\u010d oleje. Ekvivalent spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> Pohon generuje 1,5 kW \u2013 co\u017e je mo\u017en\u00e9 zvl\u00e1dnout p\u0159irozen\u00fdm konvek\u010dn\u00edm chlazen\u00edm. U aplikac\u00ed s nep\u0159etr\u017eit\u00fdm provozem nad 30 kW tento rozd\u00edl v generov\u00e1n\u00ed tepla \u010dasto zcela eliminuje mo\u017enost \u0161nekov\u00e9ho p\u0159evodu: chladi\u010d p\u0159id\u00e1v\u00e1 v\u00edce n\u00e1klad\u016f a prostoru ne\u017e v\u00edcestup\u0148ov\u00fd p\u0159evod. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> alternativn\u00ed ukl\u00e1d\u00e1n\u00ed.<\/div>\n

Porovn\u00e1n\u00ed p\u0159evodov\u00fdch pom\u011br\u016f<\/h2>\n

Nejv\u011bt\u0161\u00ed v\u00fdhodu \u0161nekov\u00e9ho p\u0159evodu oproti jednostup\u0148ov\u00e9mu p\u0159evodu p\u0159edstavuje jeho schopnost p\u0159evodov\u00e9ho pom\u011bru. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong>:<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Po\u017eadovan\u00fd pom\u011br<\/th>\n\u0158e\u0161en\u00ed \u0161ikm\u00e9ho ozuben\u00e9ho kola<\/th>\n\u0158e\u0161en\u00ed \u0161nekov\u00e9ho p\u0159evodu<\/th>\nDoporu\u010den\u00ed<\/th>\n<\/tr>\n<\/thead>\n
1:1 a\u017e 4:1<\/td>\nJednostup\u0148ov\u00fd, kompaktn\u00ed<\/td>\nNepraktick\u00e9 (p\u0159\u00edli\u0161 velk\u00fd \u00fahel stoup\u00e1n\u00ed, margin\u00e1ln\u00ed \u00fa\u010dinnost)<\/td>\n\u0160roubovit\u00e9 ozuben\u00e9 kolo<\/strong> preferovan\u00e9 \u2013 jednodu\u0161\u0161\u00ed, efektivn\u011bj\u0161\u00ed<\/td>\n<\/tr>\n
4:1 a\u017e 8:1<\/td>\nJednostup\u0148ov\u00fd, m\u016f\u017ee vy\u017eadovat velk\u00fd pastorek<\/td>\nJednostup\u0148ov\u00fd mo\u017en\u00fd, ale neefektivn\u00ed p\u0159i n\u00edzk\u00e9m p\u0159evodov\u00e9m pom\u011bru<\/td>\n\u0160roubovit\u00e9 ozuben\u00e9 kolo<\/strong> preferovan\u00e9 \u2013 lep\u0161\u00ed \u00fa\u010dinnost<\/td>\n<\/tr>\n
8:1 a\u017e 20:1<\/td>\nDvoustup\u0148ov\u00e1 spir\u00e1lov\u00e1, slo\u017eit\u011bj\u0161\u00ed<\/td>\nJednostup\u0148ov\u00fd (\u00fahel stoup\u00e1n\u00ed 10\u201320\u00b0, \u03b7 = 80\u201388%)<\/td>\nZ\u00e1visl\u00e9 na kontextu: spir\u00e1lovit\u00e9, pokud je \u03b7 kritick\u00e9; \u0161nekov\u00e9, pokud je kompaktnost a cenov\u00e1 priorita<\/td>\n<\/tr>\n
20:1 a\u017e 60:1<\/td>\nDvoustup\u0148ov\u00fd nebo t\u0159\u00edstup\u0148ov\u00fd spir\u00e1lov\u00fd, slo\u017eit\u011bj\u0161\u00ed<\/td>\nJednostup\u0148ov\u00fd (\u00fahel stoup\u00e1n\u00ed 3\u201312\u00b0, \u03b7 = 70\u201382%)<\/td>\n\u0160nekov\u00fd pohon s \u00fahlem 90\u00b0 v omezen\u00e9m prostoru p\u0159i st\u0159edn\u00edm v\u00fdkonu (<30 kW); \u0161roubovicov\u00fd pohon nad 30 kW<\/td>\n<\/tr>\n
60:1 a\u017e 100:1+<\/td>\nT\u0159\u00edstup\u0148ov\u00e1 spir\u00e1lov\u00e1 nebo \u0161nekov\u011b-spir\u00e1lov\u00e1 sm\u011bs<\/td>\nJednostup\u0148ov\u00fd (\u00fahel stoup\u00e1n\u00ed 1\u20135\u00b0, \u03b7 = 50\u201370%)<\/td>\n\u0160nek pouze v p\u0159\u00edpad\u011b samosvorn\u00e9ho nebo 90\u00b0 h\u0159\u00eddele; \u0161roubovicov\u00fd \u0161nekov\u00fd spoj, pokud je pot\u0159eba \u03b7 > 75%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Samosvorn\u00e9 \u2013 unik\u00e1tn\u00ed vlastnost \u0161nekov\u00e9ho p\u0159evodu<\/h2>\n

\u0160nekov\u00e9 kolo s dostate\u010dn\u011b mal\u00fdm \u00fahlem stoup\u00e1n\u00ed \u03bb je samosvorn\u00e9: poh\u00e1n\u011bn\u00e1 z\u00e1t\u011b\u017e nem\u016f\u017ee \u0161nek z v\u00fdstupn\u00ed strany poh\u00e1n\u011bt zp\u011bt. Podm\u00ednka samosvornosti je spln\u011bna, kdy\u017e je \u00fahel stoup\u00e1n\u00ed \u03bb men\u0161\u00ed ne\u017e \u00fahel t\u0159en\u00ed \u03c6 = arctan(f), kde f je sou\u010dinitel t\u0159en\u00ed v m\u00edst\u011b kontaktu \u0161nekov\u00e9ho kola:<\/p>\n

Podm\u00ednka samosvornosti: \u03bb < \u03c6 = arctg(f)
\nPro f = 0,08 (mazan\u00e9 bronzov\u00e9 kolo): \u03c6 = arctan(0,08) = 4,6\u00b0
\n\u2192 \u0160nekov\u00e9 p\u0159evody s \u00fahlem stoup\u00e1n\u00ed \u03bb < 4,6\u00b0 jsou po maz\u00e1n\u00ed samosvorn\u00e9<\/p>\n

Pro f = 0,15 (such\u00fd nebo z\u00e1b\u011bhov\u00fd spoj ocel-ocel): \u03c6 \u2248 8,5\u00b0
\n\u2192 Samosvorn\u00e9 p\u0159i \u03bb < 8,5\u00b0, chod nasucho<\/p>\n

\u0160roubovit\u00fd ozuben\u00fd p\u00e1r se nikdy samosvorn\u00fdm mechanismem nen\u00ed \u2013 \u00fa\u010dinnost z\u00e1b\u011bru je p\u0159\u00edli\u0161 vysok\u00e1 (98\u201399%) a \u00fahel t\u0159en\u00ed (arctan 0,04\u20130,08 \u2248 2\u20135\u00b0) je v\u017edy men\u0161\u00ed ne\u017e \u00fahel stoup\u00e1n\u00ed jak\u00e9hokoli praktick\u00e9ho ozuben\u00e9ho kola. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong>Pokud aplikace vy\u017eaduje dr\u017een\u00ed b\u0159emene bez nep\u0159etr\u017eit\u00e9ho nap\u00e1jen\u00ed motoru (v\u00fdtahy zat\u00ed\u017een\u00e9 gravitac\u00ed, pohony ventil\u016f, polohovac\u00ed mechanismy), spolehliv\u00e9 samosvorn\u00e9 zaji\u0161t\u011bn\u00ed zaji\u0161\u0165uje pouze \u0161nekov\u00fd p\u0159evod.<\/p>\n

D\u016fle\u017eit\u00e9 bezpe\u010dnostn\u00ed varov\u00e1n\u00ed pro samosvorn\u00e9 \u0161nekov\u00e9 p\u0159evody:<\/strong> Samosvorn\u00fd mechanismus \u0161nekov\u00e9ho p\u0159evodu je z\u00e1visl\u00fd na t\u0159en\u00ed \u2013 miz\u00ed, pokud koeficient t\u0159en\u00ed klesne (hork\u00fd olej, vibrace, r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed). Na samosvorn\u00fd mechanismus se NESM\u00cd spol\u00e9hat jako na jedin\u00fd bezpe\u010dnostn\u00ed mechanismus pro zdvihac\u00ed nebo polohovac\u00ed aplikace, kde je zp\u011btn\u00fd chod bezpe\u010dnostn\u00edm rizikem. Mechanick\u00e1 brzda mus\u00ed b\u00fdt zaji\u0161t\u011bna nez\u00e1visle na samosvorn\u00e9m efektu \u0161nekov\u00e9ho p\u0159evodu.<\/div>\n

Porovn\u00e1n\u00ed hluku<\/h2>\n

Oba typy p\u0159evodovek mohou fungovat ti\u0161e \u2013 ale pomoc\u00ed r\u016fzn\u00fdch mechanism\u016f:<\/p>\n

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Mechanismus pro redukci hluku s spir\u00e1lov\u00fdm p\u0159evodem<\/strong><\/p>\n

Tich\u00fd chod p\u0159esn\u00e9ho ozuben\u00e9ho pohonu je d\u00e1n vysok\u00fdm kontaktn\u00edm pom\u011brem (\u03b5_\u03b3 \u2265 2 rozkl\u00e1d\u00e1 zat\u00ed\u017een\u00ed na v\u00edce p\u00e1r\u016f zub\u016f), p\u0159esn\u011b brou\u0161en\u00fdm profilem (t\u0159\u00edda DIN 4\u20135 sni\u017euje chybu p\u0159enosu) a optimalizovan\u00fdm odleh\u010den\u00edm hrotu. Dob\u0159e specifikovan\u00fd spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> v t\u0159\u00edd\u011b DIN 4\u20135 dosahuje 65\u201372 dB(A) p\u0159i typick\u00fdch pr\u016fmyslov\u00fdch ot\u00e1\u010dk\u00e1ch \u2013 srovnateln\u011b se \u0161nekov\u00fdm p\u0159evodem s podobn\u00fdm p\u0159evodov\u00fdm pom\u011brem p\u0159i stejn\u00e9m vstupn\u00edm v\u00fdkonu.<\/p>\n<\/div>\n

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Mechanismus pro sn\u00ed\u017een\u00ed hluku \u0161nekov\u00e9ho p\u0159evodu<\/strong><\/p>\n

\u0160nekov\u00e9 p\u0159evody jsou p\u0159i stejn\u00e9m p\u0159en\u00e1\u0161en\u00e9m zat\u00ed\u017een\u00ed ze sv\u00e9 podstaty ti\u0161\u0161\u00ed, proto\u017ee kluzn\u00fd kontakt na rozhran\u00ed \u0161nekov\u00e9ho kola tlum\u00ed r\u00e1zov\u00e9 vibrace \u2013 stejn\u00fd mechanismus, kter\u00fd zp\u016fsobuje, \u017ee \u0161nekov\u00e9 p\u0159evody jsou neefektivn\u00ed, je tak\u00e9 \u010din\u00ed relativn\u011b tich\u00fdmi. Standardn\u00ed \u0161nekov\u00fd p\u0159evod (bez nutnosti p\u0159esn\u00e9ho brou\u0161en\u00ed) dosahuje p\u0159i st\u0159edn\u00edch ot\u00e1\u010dk\u00e1ch 65\u201370 dB(A). P\u0159i vysok\u00fdch ot\u00e1\u010dk\u00e1ch h\u0159\u00eddele \u0161neku (> 3 000 ot.\/min) se v\u0161ak hluk \u0161neku v\u00fdrazn\u011b zvy\u0161uje v d\u016fsledku v\u00ed\u0159en\u00ed oleje a vinut\u00ed z\u00e1vitu \u0161neku.<\/p>\n<\/div>\n<\/div>\n

Porovn\u00e1n\u00ed nosnosti a rozm\u011br\u016f<\/h2>\n

Pro stejnou osovou vzd\u00e1lenost a p\u0159evodov\u00fd pom\u011br, a spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> dvojice p\u0159en\u00e1\u0161\u00ed podstatn\u011b v\u011bt\u0161\u00ed v\u00fdkon ne\u017e \u0161nekov\u00fd p\u0159evod, proto\u017ee spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong>Liniov\u00fd kontakt rozkl\u00e1d\u00e1 Hertzovo nap\u011bt\u00ed na del\u0161\u00ed kontaktn\u00ed z\u00f3nu, zat\u00edmco bodov\u00fd nebo kr\u00e1tkodob\u00fd kontakt \u0161nekov\u00e9ho p\u0159evodu (konformn\u00ed geometrie) koncentruje nap\u011bt\u00ed na kolo z m\u011bkk\u00e9ho bronzu. Praktick\u00e9 srovn\u00e1n\u00ed p\u0159i osov\u00e9 vzd\u00e1lenosti a = 160 mm, p\u0159evodov\u00e9m pom\u011bru 20:1, miner\u00e1ln\u00edm oleji:<\/p>\n

Standardn\u00ed \u0161nekov\u00e1 p\u0159evodovka (a=160 mm, i=20:1, miner\u00e1ln\u00ed olej, provozn\u00ed re\u017eim S3 60%):
\nJmenovit\u00fd tepeln\u00fd v\u00fdkon: 12\u201322 kW (omezeno odvodem tepla)
\nMechanick\u00fd v\u00fdkon: 15\u201328 kW<\/p>\n

Dvoustup\u0148ov\u00e1 \u010deln\u00ed p\u0159evodovka (a=160 mm vstup\/v\u00fdstup, i=20:1, miner\u00e1ln\u00ed olej):
\nJmenovit\u00fd tepeln\u00fd v\u00fdkon: 70\u2013120 kW (mnohem ni\u017e\u0161\u00ed produkce tepla)
\nMechanick\u00fd v\u00fdkon: 90\u2013150 kW<\/p>\n

\u2192 \u0160roubov\u00fd ozuben\u00fd pohon p\u0159en\u00e1\u0161\u00ed 5\u20137\u00d7 v\u011bt\u0161\u00ed v\u00fdkon p\u0159i stejn\u00e9 osov\u00e9 vzd\u00e1lenosti<\/p>\n

Kompletn\u00ed rozhodovac\u00ed matice \u2013 \u0160roubovit\u00e9 soukol\u00ed vs. \u0161nekov\u00e9 soukol\u00ed<\/h2>\n

\"typy<\/p>\n

V\u00fdb\u011br typu pohonu: geometrie soukol\u00ed okam\u017eit\u011b ukazuje uspo\u0159\u00e1d\u00e1n\u00ed h\u0159\u00eddele a t\u0159\u00eddu \u00fa\u010dinnosti. A spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> Dvojice (vlevo) a sada \u0161nekov\u00fdch kol (vpravo) jsou z\u0159\u00eddkakdy p\u0159\u00edmou n\u00e1hradou \u2013 slou\u017e\u00ed r\u016fzn\u00fdm geometri\u00edm h\u0159\u00eddel\u00ed a po\u017eadavk\u016fm na hustotu v\u00fdkonu. N\u00ed\u017ee uveden\u00e1 rozhodovac\u00ed tabulka ur\u010duje, kdy je kter\u00fd z nich spr\u00e1vnou technickou volbou.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Krit\u00e9rium v\u00fdb\u011bru<\/th>\nZvolte \u0161ikm\u00e9 ozuben\u00ed, kdy\u017e:<\/th>\nZvolte \u0161nekov\u00fd p\u0159evod, kdy\u017e:<\/th>\n<\/tr>\n<\/thead>\n
\u00dahel h\u0159\u00eddele<\/td>\nRovnob\u011b\u017en\u00e9 h\u0159\u00eddele jsou p\u0159ijateln\u00e9 nebo up\u0159ednost\u0148ovan\u00e9<\/td>\nKonstrukce stroje vy\u017eaduje \u00fahel h\u0159\u00eddele 90\u00b0<\/td>\n<\/tr>\n
\u00da\u010dinnost<\/td>\nMaxim\u00e1ln\u00ed po\u017eadovan\u00e1 \u00fa\u010dinnost (>97%); vysok\u00fd pracovn\u00ed cyklus; vysok\u00fd v\u00fdkon (>30 kW)<\/td>\n\u00da\u010dinnost >75% je p\u0159ijateln\u00e1; pracovn\u00ed cyklus pod 50%; v\u00fdkon <20 kW<\/td>\n<\/tr>\n
P\u0159evodov\u00fd pom\u011br<\/td>\nPom\u011br pod 10:1 (jednostup\u0148ov\u00fd); nebo je p\u0159ijateln\u00fd v\u00edcestup\u0148ov\u00fd<\/td>\nV jednostup\u0148ov\u00e9m proveden\u00ed je vy\u017eadov\u00e1n pom\u011br 20:1 a\u017e 80:1; kompaktn\u00ed ob\u00e1lka<\/td>\n<\/tr>\n
Samosvorn\u00e9<\/td>\nZp\u011btn\u00fd pohon od z\u00e1t\u011b\u017ee je p\u0159ijateln\u00fd nebo \u017e\u00e1douc\u00ed<\/td>\nPoloha mus\u00ed b\u00fdt dr\u017eena bez p\u016fsoben\u00ed motoru (gravita\u010dn\u00ed zat\u00ed\u017een\u00ed, ventil, zdvih)<\/td>\n<\/tr>\n
Nosnost<\/td>\nVysok\u00fd p\u0159en\u00e1\u0161en\u00fd to\u010div\u00fd moment v pom\u011bru k velikosti p\u0159evodovky; jmenovit\u00fd v\u00fdkon >50%<\/td>\nLehk\u00e9 a\u017e st\u0159edn\u00ed zat\u00ed\u017een\u00ed; kroutic\u00ed moment v r\u00e1mci tepeln\u00e9ho limitu<\/td>\n<\/tr>\n
Cena p\u0159i n\u00edzk\u00e9 spot\u0159eb\u011b energie<\/td>\nPo\u017eadovan\u00e1 p\u0159esnost (DIN t\u0159\u00edda 5+); velkos\u00e9riov\u00e1 automobilov\u00e1\/servomont\u00e1\u017en\u00ed v\u00fdroba<\/td>\nStandardn\u00ed komer\u010dn\u00ed provoz; v\u00fdb\u011br z katalogu; pod 5 kW<\/td>\n<\/tr>\n
Hluk p\u0159i n\u00edzk\u00e9m v\u00fdkonu<\/td>\nP\u0159esn\u00e9 brou\u0161en\u00ed spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> pot\u0159ebn\u00e9 k dodr\u017een\u00ed rozpo\u010dtu na hluk<\/td>\nStandardn\u00ed \u0161nekov\u00fd p\u0159evod posta\u010duje pro po\u017eadavek na hluk; rychlost \u0161neku <15 m\/s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Korea Ever-Power \u2013 \u0160roubov\u00e9 p\u0159evodovky pro pohony, kter\u00e9 v sou\u010dasnosti pou\u017e\u00edvaj\u00ed \u0161nekov\u00e9 p\u0159evody<\/h2>\n

Spole\u010dnost Korea Ever-Power pravideln\u011b dost\u00e1v\u00e1 dotazy od in\u017een\u00fdr\u016f, jejich\u017e st\u00e1vaj\u00edc\u00ed \u0161nekov\u00e9 p\u0159evody p\u0159ekra\u010duj\u00ed sv\u00e9 tepeln\u00e9 limity nebo p\u0159ed\u010dasn\u011b selh\u00e1vaj\u00ed v d\u016fsledku opot\u0159eben\u00ed bronzu \u0161nekov\u00e9ho kola. Hledaj\u00ed n\u00e1hradu, kter\u00e1 by poskytovala stejn\u00fd p\u0159evod a \u00fahel h\u0159\u00eddele s vy\u0161\u0161\u00ed \u00fa\u010dinnost\u00ed a del\u0161\u00ed \u017eivotnost\u00ed. \u0158e\u0161en\u00edm je obvykle... \u0161nekov\u00fd p\u0159evod<\/a> nahrazeno v\u00edcestup\u0148ov\u00fdm spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> uspo\u0159\u00e1d\u00e1n\u00ed (umo\u017e\u0148uje-li paraleln\u00ed uspo\u0159\u00e1d\u00e1n\u00ed h\u0159\u00eddele) nebo zkosen\u00ed-spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> sm\u011bs (pro po\u017eadavky na h\u0159\u00eddel 90\u00b0). Technick\u00fd t\u00fdm spole\u010dnosti Korea Ever-Power zkontroluje st\u00e1vaj\u00edc\u00ed uspo\u0159\u00e1d\u00e1n\u00ed pohonu, potvrd\u00ed dostupn\u00e9 pracovn\u00ed prostory a navrhne n\u00e1hradu. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> stup\u0148ovit\u00e1 nebo slo\u017een\u00e1 p\u0159evodovka. Jako p\u0159\u00edm\u00e1 v\u00fdrobce \u0161ikm\u00fdch ozuben\u00fdch kol<\/a>, Korea Ever-Power vyr\u00e1b\u00ed na zak\u00e1zku \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong> pro n\u00e1hradn\u00ed pohon s kompletn\u00edm v\u00fdpo\u010dtem pevnosti, tepeln\u00fdm hodnocen\u00edm a dokumentac\u00ed k inspekci dle normy ISO 6336. Projd\u011bte si sortiment \u0161ikm\u00fdch ozuben\u00fdch kol<\/a> pro v\u0161echny kombinace pom\u011br\u016f, modul\u016f a materi\u00e1l\u016f.<\/p>\n

\"d\u00edlna<\/p>\n

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

M\u016f\u017ee spir\u00e1lov\u00fd p\u0159evod nahradit \u0161nekov\u00fd p\u0159evod p\u0159i stejn\u00e9 osov\u00e9 vzd\u00e1lenosti a velikosti pouzdra?<\/strong><\/p>\n

Jednostup\u0148ov\u00fd spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> nelze nahradit \u0161nekov\u00e9 kolo se stejnou osovou vzd\u00e1lenost\u00ed pro p\u0159evodov\u00fd pom\u011br v\u011bt\u0161\u00ed ne\u017e 8:1 \u2013 pom\u011br po\u010dtu zub\u016f by vy\u017eadoval bu\u010f pastorek s m\u00e9n\u011b ne\u017e 17 zuby (riziko pod\u0159\u00edznut\u00ed), nebo kolo s v\u00edce zuby, ne\u017e umo\u017e\u0148uje pr\u016fm\u011br pouzdra. Pro p\u0159evodov\u00fd pom\u011br 20:1 a\u017e 60:1 je v\u00fdm\u011bna obvykle dvoustup\u0148ov\u00e1 spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> uspo\u0159\u00e1d\u00e1n\u00ed, kter\u00e9 vy\u017eaduje jin\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed sk\u0159\u00edn\u011b a v\u011bt\u0161\u00ed ob\u00e1lku ne\u017e p\u016fvodn\u00ed \u0161nekov\u00e9 kolo. Pokud je nutn\u00e9 zachovat st\u00e1vaj\u00edc\u00ed sk\u0159\u00ed\u0148, spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> V\u00fdm\u011bna \u010dasto nen\u00ed provediteln\u00e1 bez \u00fapravy sk\u0159\u00edn\u011b \u2013 v tomto p\u0159\u00edpad\u011b m\u016f\u017ee b\u00fdt praktick\u00fdm \u0159e\u0161en\u00edm vylep\u0161en\u00fd \u0161nekov\u00fd p\u0159evod s geometri\u00ed vy\u0161\u0161\u00ed \u00fa\u010dinnosti (v\u011bt\u0161\u00ed \u00fahel stoup\u00e1n\u00ed) nebo \u0161nekov\u011b-\u0161roubovicov\u00e1 konstrukce.<\/p>\n<\/div>\n

\n

Je \u0161nekov\u00e9 kolo v\u017edy hlasit\u011bj\u0161\u00ed ne\u017e \u0161ikm\u00e9 kolo p\u0159i stejn\u00e9m v\u00fdstupn\u00edm v\u00fdkonu?<\/strong><\/p>\n

Ne \u2013 pro stejn\u00fd v\u00fdstupn\u00ed v\u00fdkon a stejn\u00fd p\u0159evodov\u00fd pom\u011br je standardn\u00ed (nebrou\u0161en\u00fd) \u0161nekov\u00fd p\u0159evod obvykle ti\u0161\u0161\u00ed ne\u017e standardn\u00ed (odvalovac\u00ed) spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> proto\u017ee kluzn\u00fd kontakt \u0161neku tlum\u00ed buzen\u00ed n\u00e1razem v z\u00e1b\u011bru zub\u016f. Srovn\u00e1n\u00ed je opa\u010dn\u00e9 u p\u0159esn\u00fdch t\u0159\u00edd: brou\u0161en\u00e1 dle DIN t\u0159\u00eddy 4\u20135 spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> s optimalizovan\u00fdm odleh\u010den\u00edm hrotu je p\u0159i stejn\u00e9m v\u00fdkonu a p\u0159evodu ti\u0161\u0161\u00ed ne\u017e \u0161nekov\u00e9 kolo, proto\u017ee jeho p\u0159enosov\u00e1 chyba (zdroj hluku) byla sn\u00ed\u017eena brou\u0161en\u00edm a odleh\u010den\u00edm hrotu pod inherentn\u00ed kontaktn\u00ed hlukovou hladinu \u0161neku. Pro obecn\u00e9 pr\u016fmyslov\u00e9 rozpo\u010dty hluku (pod 75 dB(A)) spl\u0148uje po\u017eadavek standardn\u00ed \u0161nekov\u00e9 kolo; pro tiska\u0159sk\u00e9, servo nebo p\u0159esn\u00e9 pohony (pod 65 dB(A)) se d\u00e1vaj\u00ed p\u0159ednost p\u0159esn\u011b brou\u0161en\u00fdm ozuben\u00edm.<\/p>\n<\/div>\n

\n

Jak se porovn\u00e1v\u00e1 \u00fa\u010dinnost pohonu se \u0161roubov\u00fdm ozuben\u00fdm kolem a \u0161nekov\u00e9ho p\u0159evodu p\u0159i redukci ot\u00e1\u010dek 30:1 a v\u00fdkonu 15 kW?<\/strong><\/p>\n

Pro p\u0159evodov\u00fd pom\u011br 30:1 p\u0159i 15 kW: \u0161nekov\u00e1 p\u0159evodovka jednostup\u0148ov\u00e1 s typick\u00fdm \u00fahlem stoup\u00e1n\u00ed 8\u201310\u00b0: \u00fa\u010dinnost p\u0159ibli\u017en\u011b 78\u2013831 TP3T, generovan\u00e9 teplo = 15 \u00d7 0,20 = 3,0 kW. Dvoustup\u0148ov\u00e1 spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> pohon p\u0159i 30:1 (nap\u0159. stupe\u0148 1 = 6:1, stupe\u0148 2 = 5:1): \u00fa\u010dinnost p\u0159ibli\u017en\u011b 96\u2013971 TP3T (dva stupn\u011b: 98,51 TP3T \u00d7 98,51 TP3T), vyroben\u00e9 teplo = 15 \u00d7 0,03 = 0,45 kW. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> Pohon generuje sedminu tepla, \u010d\u00edm\u017e eliminuje pot\u0159ebu chlazen\u00ed olejem. \u00daspora energie za 5letou \u017eivotnost (24 hodin denn\u011b, 250 dn\u00ed v roce): 2,55 kW \u00d7 3 000 hodin = 7 650 kWh za rok \u2013 p\u0159i cen\u011b 0,15 \u20ac\/kWh: \u00faspora provozn\u00edch n\u00e1klad\u016f na pohon 1 147 \u20ac\/rok. Tento v\u00fdpo\u010det n\u00e1vratnosti investice \u010dasto ospravedl\u0148uje vy\u0161\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klady na dvoustup\u0148ov\u00fd spir\u00e1lov\u00fd pohon oproti \u0161nekov\u00e9mu p\u0159evodu pro aplikace s nep\u0159etr\u017eit\u00fdm provozem nad 10 kW.<\/p>\n<\/div>\n

\n

Jak\u00fd je rozd\u00edl v \u017eivotnosti mezi \u0161ikm\u00fdm ozuben\u00fdm kolem a \u0161nekov\u00fdm ozuben\u00fdm kolem v nep\u0159etr\u017eit\u00e9m provozu?<\/strong><\/p>\n

V aplikac\u00edch s nep\u0159etr\u017eit\u00fdm provozem nad 30% tepeln\u00e9 jmenovit\u00e9 hodnoty \u0161nekov\u00e9ho p\u0159evodu se bronz \u0161nekov\u00e9ho kola opot\u0159ebov\u00e1v\u00e1 v\u00fdrazn\u011b rychleji ne\u017e samotn\u00fd \u0161nek nebo ekvivalent. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> p\u00e1r \u2013 proto\u017ee vysok\u00e1 kluzn\u00e1 rychlost (3\u201315 m\/s v m\u00edst\u011b kontaktu \u0161nekov\u00e9ho kola) zp\u016fsobuje adhezn\u00ed a abrazivn\u00ed opot\u0159eben\u00ed m\u011bk\u010d\u00edho bronzov\u00e9ho materi\u00e1lu. Intervaly v\u00fdm\u011bny \u0161nekov\u00e9ho kola 3 000\u201310 000 hodin jsou b\u011b\u017en\u00e9 u siln\u011b zat\u00ed\u017een\u00fdch \u0161nekov\u00fdch p\u0159evod\u016f. Ekvivalentn\u00ed spir\u00e1lov\u00e9 kolo z cementovan\u00e9ho materi\u00e1lu 20CrMnTi, spr\u00e1vn\u011b mazan\u00e9, dosahuje 30 000\u201350 000+ hodin, ne\u017e je nutn\u00e1 v\u00fdm\u011bna. Pro jednosm\u011bnn\u00fd provoz (2 000 hodin\/rok): v\u00fdm\u011bna \u0161nekov\u00e9ho kola ka\u017ed\u00e9 2\u20135 let v porovn\u00e1n\u00ed s v\u00fdm\u011bnou p\u0159esn\u00e9ho kola ka\u017ed\u00fdch 15\u201325+ let. Celkov\u00e9 n\u00e1klady na vlastnictv\u00ed za 15 let obvykle up\u0159ednost\u0148uj\u00ed spir\u00e1lov\u00fd pohon pro nep\u0159etr\u017eit\u00fd provoz nad 10\u201315 kW s paraleln\u00ed geometri\u00ed h\u0159\u00eddele.<\/p>\n<\/div>\n

\n

P\u0159echod ze \u0161nekov\u00e9ho p\u0159evodu na \u0161ikm\u00fd p\u0159evod \u2013 Korea Ever-Power v\u00e1m m\u016f\u017ee pomoci<\/h2>\n

Uve\u010fte st\u00e1vaj\u00edc\u00ed p\u0159evodov\u00fd pom\u011br \u0161nekov\u00e9ho p\u0159evodu, v\u00fdkon, ot\u00e1\u010dky, osovou vzd\u00e1lenost sk\u0159\u00edn\u011b a uspo\u0159\u00e1d\u00e1n\u00ed h\u0159\u00eddele. Spole\u010dnost Korea Ever-Power vyhodnot\u00ed, zda je n\u00e1hrada za \u0161ikm\u00e9 kolo provediteln\u00e1, vypo\u010d\u00edt\u00e1 zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti a \u00fasporu energie a navrhne n\u00e1hradn\u00ed p\u00e1r ozuben\u00fdch kol tak, aby odpov\u00eddal dostupn\u00fdm po\u017eadavk\u016fm.<\/p>\n

Po\u017e\u00e1dat o porovn\u00e1n\u00ed typ\u016f disk\u016f<\/a>
\nProduktov\u00e1 \u0159ada \u0161ikm\u00fdch ozuben\u00fdch kol<\/a><\/div>\n

V\u00fdpo\u010det \u00fa\u010dinnosti \u00b7 Odhad \u00faspory energie \u00b7 Pevnost dle ISO 6336 \u00b7 Tepeln\u00e1 odolnost \u00b7 Mo\u017enosti mont\u00e1\u017ee nebo p\u0159estavby<\/p>\n<\/div>\n

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

\u0160roubov\u00e9 vs. \u0161nekov\u00e9 p\u0159evodovka \u2013 kompletn\u00ed srovn\u00e1n\u00ed \u00fa\u010dinnosti, p\u0159evodov\u00e9ho pom\u011bru, hluku a n\u00e1klad\u016f Volba mezi \u0161nekov\u00fdm a \u0161nekov\u00fdm p\u0159evodem je jednou z nej\u010dast\u011bj\u0161\u00edch ot\u00e1zek p\u0159i v\u00fdb\u011bru pr\u016fmyslov\u00e9 p\u0159evodovky \u2013 a nej\u010dast\u011bji se na ni nespr\u00e1vn\u011b odpov\u00edd\u00e1, a to sp\u00ed\u0161e podle znalost\u00ed ne\u017e podle technick\u00fdch krit\u00e9ri\u00ed. \u0160nekov\u00e9 p\u0159evodovka nen\u00ed [\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-2341","post","type-post","status-publish","format-standard","hentry","category-helical-gears"],"_links":{"self":[{"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/posts\/2341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/comments?post=2341"}],"version-history":[{"count":3,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/posts\/2341\/revisions"}],"predecessor-version":[{"id":2344,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/posts\/2341\/revisions\/2344"}],"wp:attachment":[{"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/media?parent=2341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/categories?post=2341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/tags?post=2341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}