{"id":1135,"date":"2026-04-24T01:50:32","date_gmt":"2026-04-24T01:50:32","guid":{"rendered":"https:\/\/worm-and-worm-wheel.com\/?post_type=product&p=1135"},"modified":"2026-04-24T01:51:19","modified_gmt":"2026-04-24T01:51:19","slug":"brass-worm-wheel-shaft-set-20-tooth-m0-5-micro-gear-kit","status":"publish","type":"product","link":"https:\/\/worm-and-worm-wheel.com\/sk\/produkt\/brass-worm-wheel-shaft-set-20-tooth-m0-5-micro-gear-kit\/","title":{"rendered":"Sada mosadzn\u00fdch z\u00e1vitovkov\u00fdch kolies a hriade\u013eov | Sada mikro prevodov M0,5 s 20 zubami"},"content":{"rendered":"
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S\u00faprava mosadzn\u00fdch z\u00e1vitovkov\u00fdch kolies v skratke<\/h2>\n

Ever-Power’s brass z\u00e1vitovkov\u00e9 koleso<\/strong> S\u00faprava je sp\u00e1rovan\u00fd p\u00e1r \u2013 jedno presne rezan\u00e9 mosadzn\u00e9 koleso a jeden jednochod\u00fd mosadzn\u00fd hriade\u013e \u2013 navrhnut\u00fd ako vstavan\u00fd komponent pre mal\u00e9 elektromechanick\u00e9 pohony, kde z\u00e1le\u017e\u00ed na tichom chode, miernom za\u0165a\u017een\u00ed a dlhej \u017eivotnosti. Koleso s 20 zubami a modulom M0,5 v\u00e1\u017ei iba 16 gramov a pritom poskytuje jednostup\u0148ov\u00fd reduk\u010dn\u00fd pomer, ktor\u00fd m\u00f4\u017ee dosiahnu\u0165 80:1 v spojen\u00ed s na\u0161imi katal\u00f3gov\u00fdmi z\u00e1vitovkov\u00fdmi hriade\u013emi, \u010do je rozsah, ktor\u00fd u\u0161etr\u00ed dva alebo tri reduk\u010dn\u00e9 stupne v porovnan\u00ed s re\u0165azou s \u010deln\u00fdmi ozuben\u00fdmi kolesami.<\/p>\n

\"Sada<\/p>\n

Preto\u017ee mosadz je odoln\u00e1 vo\u010di kor\u00f3zii a samomazn\u00e1 v porovnan\u00ed s oce\u013eovou n\u00e1protivkou, k\u00f3rejsk\u00ed z\u00e1kazn\u00edci to \u0161pecifikuj\u00fa mosadzn\u00fd z\u00e1vitovkov\u00fd prevod<\/strong> S\u00faprava pre pohony ventilov, \u010dasovacie mechanizmy, vedeck\u00e9 pr\u00edstroje, mal\u00e9 textiln\u00e9 stroje a automatizovan\u00e9 maloobchodn\u00e9 zariadenia. Rozmery umo\u017e\u0148uj\u00face priamu v\u00fdmenu robia zostavu z\u00e1vitovky a z\u00e1vitovkov\u00e9ho kolesa kompatibilnou so star\u0161\u00edmi armat\u00farami Mitsumi, Nidec a lok\u00e1lnymi origin\u00e1lnymi dielmi \u2013 prisp\u00f4sobte otvor, stredov\u00fa vzdialenos\u0165 a po\u010det zubov a potom ju priskrutkujte bez nutnosti prestavby hlavn\u00e9ho r\u00e1mu.<\/p>\n

 <\/p>\n<\/section>\n

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Technick\u00e9 \u0161pecifik\u00e1cie<\/h2>\n

V tabu\u013ek\u00e1ch ni\u017e\u0161ie s\u00fa uveden\u00e9 v\u0161etky rozmery, ktor\u00e9 kon\u0161trukt\u00e9r potrebuje na overenie vhodnosti pred zadan\u00edm objedn\u00e1vky. Hodnoty poch\u00e1dzaj\u00fa priamo z n\u00e1\u0161ho dielensk\u00e9ho v\u00fdkresu a overuj\u00fa sa pri ka\u017edej d\u00e1vke pomocou odberu vzoriek zo s\u00faradnicov\u00e9ho meracieho pr\u00edstroja (CMM).<\/p>\n

\n\n\n\n\n\n\n\n\n
V\u0161eobecn\u00e9 \u0161pecifik\u00e1cie<\/th>\n<\/tr>\n<\/thead>\n
Materi\u00e1l<\/strong><\/td>\nMosadz (\u0161tandard C3604 \/ H59)<\/td>\n<\/tr>\n
Farba<\/strong><\/td>\nPr\u00edrodn\u00e1 \u017elt\u00e1<\/td>\n<\/tr>\n
Modul<\/strong><\/td>\nM0,5<\/td>\n<\/tr>\n
Hmotnos\u0165 (koleso)<\/strong><\/td>\n16 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n
Ve\u013ekos\u0165 z\u00e1vitovkov\u00e9ho kolesa<\/th>\n<\/tr>\n<\/thead>\n
Zuby<\/strong><\/td>\n20<\/td>\n<\/tr>\n
Priemer zubov<\/strong><\/td>\n11,2 mm<\/td>\n<\/tr>\n
V\u00fd\u0161ka<\/strong><\/td>\n12 mm \/ 0,47 palca<\/td>\n<\/tr>\n
Vonkaj\u0161\u00ed priemer<\/strong><\/td>\n11 mm \/ 0,43 palca<\/td>\n<\/tr>\n
Priemer otvoru<\/strong><\/td>\n4 mm \/ 0,16 palca<\/td>\n<\/tr>\n
Ve\u013ekos\u0165 kroku<\/strong><\/td>\n9 \u00d7 7 mm \/ 0,35 \u00d7 0,27 palca (priemer \u00d7 v\u00fd\u0161ka)<\/td>\n<\/tr>\n
Celkov\u00e1 ve\u013ekos\u0165<\/strong><\/td>\n12 \u00d7 11 \u00d7 4 mm (V \u00d7 VO \u00d7 VN)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Ve\u013ekos\u0165 hriade\u013ea z\u00e1vitovkov\u00e9ho prevodu<\/th>\n<\/tr>\n<\/thead>\n
V\u00fd\u0161ka<\/strong><\/td>\n20 mm \/ 0,79 palca<\/td>\n<\/tr>\n
Vonkaj\u0161\u00ed priemer<\/strong><\/td>\n9,8 mm \/ 0,39 palca<\/td>\n<\/tr>\n
Vn\u00fatorn\u00fd priemer<\/strong><\/td>\n3,17 mm \/ 0,12 palca<\/td>\n<\/tr>\n
Celkov\u00e1 ve\u013ekos\u0165<\/strong><\/td>\n20 \u00d7 9,8 \u00d7 3,17 mm (V \u00d7 VO \u00d7 V)<\/td>\n<\/tr>\n
Za\u010diatky vl\u00e1kien (Z1)<\/strong><\/td>\n1 (jednochodov\u00e1, samosvorn\u00e1 geometria)<\/td>\n<\/tr>\n
Typick\u00fd prevodov\u00fd pomer<\/strong><\/td>\ni = 10 \u2013 80 (typick\u00fd rozsah pre Z1 = 1)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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Pre\u010do je mosadz spr\u00e1vnym materi\u00e1lom pre t\u00fato triedu pohonu<\/h2>\n

Mosadz zauj\u00edma v hierarchii materi\u00e1lov z\u00e1vitovkov\u00fdch prevodov praktick\u00fa stredn\u00fa cestu medzi liatymi bronzami a plastmi. Mosadzn\u00e9 z\u00e1vitovkov\u00e9 koleso m\u00e1 zhruba polovi\u010dn\u00fa pevnos\u0165 v \u0165ahu oproti c\u00ednov\u00e9mu bronzu, no stoj\u00ed pribli\u017ene o 35 % menej, v\u010faka \u010domu je ide\u00e1lne pre aplik\u00e1cie z\u00e1vitovkov\u00fdch pohonov s n\u00edzkym a\u017e stredn\u00fdm kr\u00fatiacim momentom, kde by plastov\u00e9 koleso bolo pr\u00edli\u0161 m\u00e4kk\u00e9 a bronzov\u00e9 z\u00e1vitovkov\u00e9 koleso by bolo finan\u010dne prehnan\u00e9. Prirodzen\u00e1 mazacia schopnos\u0165 medzi mosadzou a oce\u013eov\u00fdm alebo mosadzn\u00fdm z\u00e1vitovkov\u00fdm hriade\u013eom udr\u017eiava straty tren\u00edm n\u00edzke v rozsahu vstupn\u00fdch ot\u00e1\u010dok 500 a\u017e 4 000 ot.\/min.<\/p>\n

\"detail<\/p>\n

Ke\u010f\u017ee mosadz nehrdzavie a mo\u017eno ju pou\u017e\u00edva\u0165 s minim\u00e1lnym mazivom v \u010distom vn\u00fatornom prostred\u00ed, s\u00faprava je vhodn\u00e1 pre laborat\u00f3rne pr\u00edstroje, moduly na manipul\u00e1ciu s mincami, motory elektrick\u00fdch cl\u00f4n a podobn\u00e9 \u013eahk\u00e9 priemyseln\u00e9 v\u00fdrobky, kde je obmedzen\u00fd pr\u00edstup k pravidelnej \u00fadr\u017ebe. 20-zubov\u00e9 koleso sa oto\u010d\u00ed o cel\u00fa ot\u00e1\u010dku na ka\u017ed\u00fdch 20 ot\u00e1\u010dok z\u00e1vitovkov\u00e9ho hriade\u013ea s jedn\u00fdm chodom, \u010d\u00edm sa dosiahne plynul\u00e1 redukcia 20:1, ktor\u00fa je \u0165a\u017ek\u00e9 dosiahnu\u0165 v jednom \u010delnom stupni bez ove\u013ea v\u00e4\u010d\u0161ej zastavanej plochy.<\/p>\n