- \n
- Post\u0159ikova\u010d<\/li>\n
- Kolov\u00fd skl\u00edze\u010d<\/li>\n
- P\u00e1sov\u00fd skl\u00edze\u010d<\/li>\n
- M\u00edcha\u010dka krmiva<\/li>\n
- Lesnick\u00e9 stroje<\/li>\n<\/ul>\n
\u00a0<\/p>\n<\/td>\n
\n - \n
- Zemn\u00ed pr\u00e1ce<\/li>\n
- Rozvoj<\/li>\n
- Konkr\u00e9tn\u00ed<\/li>\n
- Rozvoj silnic<\/li>\n
- Drcen\u00ed, mlet\u00ed a zpracov\u00e1n\u00ed surov\u00fdch l\u00e1tek<\/li>\n
- Bahenn\u00ed terapie<\/li>\n<\/ul>\n<\/td>\n
\n - \n
- Obil\u00ed, zpracov\u00e1n\u00ed a mlet\u00ed<\/li>\n
- Zpracov\u00e1n\u00ed pe\u010den\u00ed<\/li>\n
- Zpracov\u00e1n\u00ed ovoce, zeleniny a n\u00e1poj\u016f<\/li>\n<\/ul>\n
\u00a0<\/p>\n<\/td>\n<\/tr>\n
\n P\u0159eprava<\/b><\/strong><\/td>\n N\u00e1mo\u0159n\u00ed z\u00e1le\u017eitosti<\/b><\/strong><\/td>\n Vitalita v\u011btru<\/b><\/strong><\/td>\n<\/tr>\n \n \n - \n
- Pouli\u010dn\u00ed auta<\/li>\n
- Spr\u00e1va skladu a surov\u00fdch l\u00e1tek<\/li>\n
- Automobily mimo d\u00e1lnici<\/li>\n
- Z\u00edskejte a ant\u00e9nn\u00ed syst\u00e9m<\/li>\n
- Spr\u00e1va skladu a surov\u00e9ho obsahu<\/li>\n
- Automatizovan\u00e9 skladov\u00e1n\u00ed<\/li>\n
- Leti\u0161tn\u00ed vybaven\u00ed<\/li>\n
- Logistick\u00e9 a pr\u016fmyslov\u00e9 je\u0159\u00e1by<\/li>\n
- Celul\u00e1rn\u00ed je\u0159\u00e1b<\/li>\n<\/ul>\n<\/td>\n
\n - \n
- Bagrovac\u00ed plavidlo<\/li>\n
- Plavidlo pro v\u00fdvoj na mo\u0159i<\/li>\n
- Obsluhovat plavidla a remork\u00e9ry<\/li>\n
- Pob\u0159e\u017en\u00ed syst\u00e9m<\/li>\n
- Lo\u010f poskytovatele slu\u017eeb<\/li>\n
- Za\u0159\u00edzen\u00ed pro pokl\u00e1dku potrub\u00ed a kabel\u016f<\/li>\n<\/ul>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n<\/td>\n
\n - \n
- V\u011btrn\u00e1 turb\u00edna<\/li>\n
- zv\u00edjen\u00ed<\/li>\n
- h\u0159i\u0161t\u011b<\/li>\n<\/ul>\n
\u00a0<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u00a0<\/p>\n
Konstrukce a rozm\u011bry planetov\u00e9 p\u0159evodovky jsou vyvinuty v p\u0159\u00edsn\u00e9m souladu se specifikacemi italsk\u00fdch a americk\u00fdch v\u00fdrobc\u016f, tak\u017ee je lze zam\u011bnit s n\u00e1sleduj\u00edc\u00edmi \u0159adami planetov\u00fdch p\u0159evodovek. Funk\u010dnost a rozm\u011bry spoje. Jsou vynikaj\u00edc\u00ed n\u00e1hradou za tyto zna\u010dky.<\/p>\n
trasmital bonfiglioli, revini riduttori, rexroth, CZPT riduttori, rossi, zollern\u00a0<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
Souvisej\u00edc\u00ed polo\u017eky \u2013 P\u0159enosov\u00e9 oblasti<\/p>\n
Generov\u00e1n\u00ed h\u0159\u00eddel\u00ed
<\/b>
\u00a0<\/p>\n\u00a0<\/p>\n
Pro mnohem v\u00edce reduktor\u016f a mechanick\u00fdch dopl\u0148k\u016f nezapome\u0148te kliknout sem.<\/b><\/p>\n
\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\n
\n
\n
\n\n
\n \n
\n \/ Kus<\/span>
\n |<\/span>\n <\/td>\n\n 1 kus<\/span>
\n
\n (Minim\u00e1ln\u00ed objedn\u00e1vka)
\n <\/span>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n###<\/p>\n
\n\n
\n Aplikace:<\/th>\n Motor, elektromobily, motocykly, stroje, n\u00e1mo\u0159n\u00ed vozidla, hra\u010dky, zem\u011bd\u011blsk\u00e9 stroje, auto<\/td>\n<\/tr>\n \n Funkce:<\/th>\n Distribuce energie, zm\u011bna rychlosti, sn\u00ed\u017een\u00ed rychlosti<\/td>\n<\/tr>\n \n Rozlo\u017een\u00ed:<\/th>\n Koaxi\u00e1ln\u00ed<\/td>\n<\/tr>\n \n Tvrdost:<\/th>\n Zpevn\u011bn\u00fd povrch zubu<\/td>\n<\/tr>\n \n Instalace:<\/th>\n Vertik\u00e1ln\u00ed typ<\/td>\n<\/tr>\n \n Krok:<\/th>\n Plynul\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n ###<\/p>\n
\n\n
\n Zem\u011bd\u011blstv\u00ed a lesnictv\u00ed<\/b><\/strong><\/span><\/td>\n Pr\u016fmysl a t\u011b\u017eba<\/b><\/strong><\/span><\/td>\n Zpracov\u00e1n\u00ed potravin<\/b><\/strong><\/span><\/td>\n<\/tr>\n \n \n - \n
- Post\u0159ikova\u010d<\/li>\n
- Kolov\u00fd skl\u00edze\u010d<\/li>\n
- P\u00e1sov\u00fd skl\u00edze\u010d<\/li>\n
- M\u00edcha\u010dka krmiva<\/li>\n
- Lesnick\u00e9 stroje<\/li>\n<\/ul>\n
<\/p>\n<\/td>\n
\n - \n
- Zemn\u00ed pr\u00e1ce<\/li>\n
- Konstrukce<\/li>\n
- Konkr\u00e9tn\u00ed<\/li>\n
- V\u00fdstavba silnic<\/li>\n
- Drcen\u00ed, mlet\u00ed a zpracov\u00e1n\u00ed surovin<\/li>\n
- Bahenn\u00ed l\u00e9\u010dba<\/li>\n<\/ul>\n<\/td>\n
\n - \n
- Obil\u00ed, zpracov\u00e1n\u00ed a mlet\u00ed<\/li>\n
- Zpracov\u00e1n\u00ed pe\u010den\u00ed<\/li>\n
- Zpracov\u00e1n\u00ed ovoce, zeleniny a n\u00e1poj\u016f<\/li>\n<\/ul>\n
\n
<\/p>\n<\/td>\n<\/tr>\n
\n Doprava<\/b><\/strong><\/td>\n N\u00e1mo\u0159n\u00ed z\u00e1le\u017eitosti<\/b><\/strong><\/td>\n V\u011btrn\u00e1 energie<\/b><\/strong><\/td>\n<\/tr>\n \n \n - \n
- Silni\u010dn\u00ed vozidla<\/li>\n
- Sklad a manipulace se surovinami<\/li>\n
- Ter\u00e9nn\u00ed vozidla<\/li>\n
- P\u0159\u00edstupov\u00e1 a visut\u00e1 plo\u0161ina<\/li>\n
- Sklad a manipulace se surovinami<\/li>\n
- Automatick\u00e9 ukl\u00e1d\u00e1n\u00ed<\/li>\n
- Leti\u0161tn\u00ed vybaven\u00ed<\/li>\n
- Logistick\u00e9 a pr\u016fmyslov\u00e9 je\u0159\u00e1by<\/li>\n
- Mobiln\u00ed je\u0159\u00e1b<\/li>\n<\/ul>\n<\/td>\n
\n - \n
- Bagrovac\u00ed plavidlo<\/li>\n
- Stavebn\u00ed plavidlo na mo\u0159i<\/li>\n
- Pracovn\u00ed plavidla a remork\u00e9ry<\/li>\n
- Pob\u0159e\u017en\u00ed platforma<\/li>\n
- Obchodn\u00ed lo\u010f<\/li>\n
- Stroj na pokl\u00e1dku trubek a kabel\u016f<\/li>\n<\/ul>\n
<\/p>\n
<\/p>\n
<\/p>\n<\/td>\n
\n - \n
- V\u011btrn\u00e1 turb\u00edna<\/li>\n
- zv\u00edjen\u00ed<\/li>\n
- h\u0159i\u0161t\u011b<\/li>\n<\/ul>\n\n
<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n
\n \n
\n \/ Kus<\/span>
\n |<\/span>\n <\/td>\n\n 1 kus<\/span>
\n
\n (Minim\u00e1ln\u00ed objedn\u00e1vka)
\n <\/span>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n###<\/p>\n
\n\n
\n Aplikace:<\/th>\n Motor, elektromobily, motocykly, stroje, n\u00e1mo\u0159n\u00ed vozidla, hra\u010dky, zem\u011bd\u011blsk\u00e9 stroje, auto<\/td>\n<\/tr>\n \n Funkce:<\/th>\n Distribuce energie, zm\u011bna rychlosti, sn\u00ed\u017een\u00ed rychlosti<\/td>\n<\/tr>\n \n Rozlo\u017een\u00ed:<\/th>\n Koaxi\u00e1ln\u00ed<\/td>\n<\/tr>\n \n Tvrdost:<\/th>\n Zpevn\u011bn\u00fd povrch zubu<\/td>\n<\/tr>\n \n Instalace:<\/th>\n Vertik\u00e1ln\u00ed typ<\/td>\n<\/tr>\n \n Krok:<\/th>\n Plynul\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n ###<\/p>\n
\n\n
\n Zem\u011bd\u011blstv\u00ed a lesnictv\u00ed<\/b><\/strong><\/span><\/td>\n Pr\u016fmysl a t\u011b\u017eba<\/b><\/strong><\/span><\/td>\n Zpracov\u00e1n\u00ed potravin<\/b><\/strong><\/span><\/td>\n<\/tr>\n \n \n - \n
- Post\u0159ikova\u010d<\/li>\n
- Kolov\u00fd skl\u00edze\u010d<\/li>\n
- P\u00e1sov\u00fd skl\u00edze\u010d<\/li>\n
- M\u00edcha\u010dka krmiva<\/li>\n
- Lesnick\u00e9 stroje<\/li>\n<\/ul>\n
<\/p>\n<\/td>\n
\n - \n
- Zemn\u00ed pr\u00e1ce<\/li>\n
- Konstrukce<\/li>\n
- Konkr\u00e9tn\u00ed<\/li>\n
- V\u00fdstavba silnic<\/li>\n
- Drcen\u00ed, mlet\u00ed a zpracov\u00e1n\u00ed surovin<\/li>\n
- Bahenn\u00ed l\u00e9\u010dba<\/li>\n<\/ul>\n<\/td>\n
\n - \n
- Obil\u00ed, zpracov\u00e1n\u00ed a mlet\u00ed<\/li>\n
- Zpracov\u00e1n\u00ed pe\u010den\u00ed<\/li>\n
- Zpracov\u00e1n\u00ed ovoce, zeleniny a n\u00e1poj\u016f<\/li>\n<\/ul>\n
\n
<\/p>\n<\/td>\n<\/tr>\n
\n Doprava<\/b><\/strong><\/td>\n N\u00e1mo\u0159n\u00ed z\u00e1le\u017eitosti<\/b><\/strong><\/td>\n V\u011btrn\u00e1 energie<\/b><\/strong><\/td>\n<\/tr>\n \n \n - \n
- Silni\u010dn\u00ed vozidla<\/li>\n
- Sklad a manipulace se surovinami<\/li>\n
- Ter\u00e9nn\u00ed vozidla<\/li>\n
- P\u0159\u00edstupov\u00e1 a visut\u00e1 plo\u0161ina<\/li>\n
- Sklad a manipulace se surovinami<\/li>\n
- Automatick\u00e9 ukl\u00e1d\u00e1n\u00ed<\/li>\n
- Leti\u0161tn\u00ed vybaven\u00ed<\/li>\n
- Logistick\u00e9 a pr\u016fmyslov\u00e9 je\u0159\u00e1by<\/li>\n
- Mobiln\u00ed je\u0159\u00e1b<\/li>\n<\/ul>\n<\/td>\n
\n - \n
- Bagrovac\u00ed plavidlo<\/li>\n
- Stavebn\u00ed plavidlo na mo\u0159i<\/li>\n
- Pracovn\u00ed plavidla a remork\u00e9ry<\/li>\n
- Pob\u0159e\u017en\u00ed platforma<\/li>\n
- Obchodn\u00ed lo\u010f<\/li>\n
- Stroj na pokl\u00e1dku trubek a kabel\u016f<\/li>\n<\/ul>\n
<\/p>\n
<\/p>\n
<\/p>\n<\/td>\n
\n - \n
- V\u011btrn\u00e1 turb\u00edna<\/li>\n
- zv\u00edjen\u00ed<\/li>\n
- h\u0159i\u0161t\u011b<\/li>\n<\/ul>\n\n
<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
Charakteristiky NVH spir\u00e1lov\u00e9 p\u0159evodovky<\/h2>\n
\u0160roubov\u00e1 p\u0159evodovka se obvykle pou\u017e\u00edv\u00e1 k p\u0159enosu to\u010div\u00e9ho momentu, rychlosti nebo oboj\u00edho. Jej\u00ed prim\u00e1rn\u00ed funkc\u00ed je ot\u00e1\u010det kruhovou sou\u010d\u00e1st\u00ed stroje a z\u00e1rove\u0148 zab\u00edrat s dal\u0161\u00edmi ozuben\u00fdmi \u010d\u00e1stmi. Funguje na stejn\u00e9m principu jako p\u00e1ka.
![\"spir\u00e1lov\u00e1](\"https:\/\/img.hzpt.com\/img\/helicalgearbox\/t-helicalgearbox-3.webp\")
<\/p>\nTypick\u00e9 aplikace<\/h2>\n
Mezi typick\u00e9 aplikace spir\u00e1lov\u00fdch p\u0159evodovek pat\u0159\u00ed dopravn\u00edky, dmychadla a v\u00fdtahy. Pou\u017e\u00edvaj\u00ed se tak\u00e9 p\u0159i v\u00fdrob\u011b plast\u016f a pry\u017ee. Mezi jejich z\u00e1kladn\u00ed v\u00fdhody pat\u0159\u00ed sn\u00ed\u017een\u00e9 vibrace, ni\u017e\u0161\u00ed hladina hluku a vysok\u00e1 \u00fanosnost. Jsou tak\u00e9 zn\u00e1m\u00e9 svou odolnost\u00ed a ti\u0161\u0161\u00edm chodem ne\u017e \u010deln\u00ed ozuben\u00e1 kola.
P\u0159i v\u00fdb\u011bru spr\u00e1vn\u00e9 p\u0159evodovky pro konkr\u00e9tn\u00ed aplikaci je t\u0159eba vz\u00edt v \u00favahu n\u011bkolik faktor\u016f. Pat\u0159\u00ed mezi n\u011b po\u017eadavky na v\u00fdkon, po\u017eadavky na to\u010div\u00fd moment a prost\u0159ed\u00ed, ve kter\u00e9m bude p\u0159evodovka pracovat. D\u00e1le je t\u0159eba zv\u00e1\u017eit lo\u017eiska a maziva.
\u0160roubov\u00e1 ozuben\u00e1 kola se pou\u017e\u00edvaj\u00ed pro aplikace s vysok\u00fdm zat\u00ed\u017een\u00edm, proto\u017ee poskytuj\u00ed vysokou \u00fanosnost. Jsou tak\u00e9 levn\u011bj\u0161\u00ed ne\u017e \u010deln\u00ed ozuben\u00e1 kola. Jejich \u00fa\u010dinnost je v\u0161ak ni\u017e\u0161\u00ed ne\u017e u \u010deln\u00edch ozuben\u00fdch kol. To je d\u00e1no t\u00edm, \u017ee spir\u00e1lov\u00e1 ozuben\u00e1 kola maj\u00ed v\u011bt\u0161\u00ed zuby. Maj\u00ed tak\u00e9 ni\u017e\u0161\u00ed dynamick\u00e9 zat\u00ed\u017een\u00ed ne\u017e \u010deln\u00ed ozuben\u00e1 kola. To sni\u017euje opot\u0159eben\u00ed ozuben\u00fdch kol.
\u0160roubov\u00e1 ozuben\u00e1 kola se pou\u017e\u00edvaj\u00ed tak\u00e9 ve vysokorychlostn\u00edch aplikac\u00edch. Mohou b\u00fdt tak\u00e9 pou\u017eita s nerovnob\u011b\u017en\u00fdmi h\u0159\u00eddeli. Obvykle se vol\u00ed p\u0159ed \u010deln\u00edmi ozuben\u00fdmi koly pro nerovnob\u011b\u017en\u00e9 aplikace. \u0160roubov\u00e1 ozuben\u00e1 kola jsou v\u0161ak n\u00e1chyln\u00e1 k nesouososti v d\u016fsledku axi\u00e1ln\u00edho tlaku. To lze napravit \u00fapravou polohy lo\u017eiska.
\u0160roubov\u00e1 ozuben\u00e1 kola lze tak\u00e9 pou\u017e\u00edt jako p\u0159evodovky pro p\u0159enos v\u00fdkonu. B\u011b\u017en\u011b se pou\u017e\u00edvaj\u00ed v p\u0159evodovk\u00e1ch v automobilov\u00e9m pr\u016fmyslu. Pou\u017e\u00edvaj\u00ed se tak\u00e9 v \u0161irok\u00e9 \u0161k\u00e1le dal\u0161\u00edch pr\u016fmyslov\u00fdch aplikac\u00ed. Pat\u0159\u00ed sem dmychadla, podava\u010de, chladi\u010de a dopravn\u00edky. Mohou b\u00fdt tak\u00e9 pou\u017eity v potravin\u00e1\u0159sk\u00e9m a ropn\u00e9m pr\u016fmyslu.
Nejb\u011b\u017en\u011bj\u0161\u00ed typy spir\u00e1lov\u00fdch p\u0159evodovek jsou jednoduch\u00e9 a dvojit\u00e9 spir\u00e1lov\u00e9 p\u0159evodovky. Jednoduch\u00e9 spir\u00e1lov\u00e9 p\u0159evodovky maj\u00ed jednu spir\u00e1lovou \u010d\u00e1st, kter\u00e1 je rovnob\u011b\u017en\u00e1 s osou. K dispozici jsou tak\u00e9 p\u0159evodovky s kruhov\u00fdm obloukem zak\u0159iven\u00fdm zubem.<\/p>\nCharakteristiky hluku a vibrac\u00ed (NVH)<\/h2>\n
Charakteristiky vibrac\u00ed a vibrac\u00ed (NVH) spir\u00e1lov\u00fdch p\u0159evodovek jsou hlavn\u00edm faktorem p\u0159i v\u00fdvoji nov\u00fdch produkt\u016f pro hnac\u00ed \u00fastroj\u00ed. NVH lze kvantifikovat pomoc\u00ed vlnov\u00e9 anal\u00fdzy, anal\u00fdzy \u0159\u00e1du a statistick\u00e9 energetick\u00e9 anal\u00fdzy. Tyto techniky se obvykle pou\u017e\u00edvaj\u00ed ve frekven\u010dn\u00ed dom\u00e9n\u011b, ale lze je pou\u017e\u00edt i v dom\u00e9n\u011b re\u00e1ln\u00e9ho \u010dasu.
Nejz\u00e1kladn\u011bj\u0161\u00ed metoda NVH vyu\u017e\u00edv\u00e1 mod\u00e1ln\u00ed anal\u00fdzu ke kvantifikaci p\u0159enosov\u00e9ho \u0161umu. Zjednodu\u0161en\u00e9 modely pou\u017e\u00edvaj\u00ed sinusov\u00e9 variace tuhosti, ale lze je pou\u017e\u00edt i ke studiu speci\u00e1ln\u00edch efekt\u016f.
Jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch aspekt\u016f NVH je integrita sign\u00e1lov\u00e9ho \u0159et\u011bzce. Sign\u00e1ln\u00ed \u0159et\u011bzec je ovlivn\u011bn n\u00e1razem ozuben\u00fdch kol a buzen\u00edm z hlavn\u00ed sk\u0159\u00edn\u011b p\u0159evodovky. Prvn\u00edm krokem p\u0159i kvantifikaci NVH je vytvo\u0159en\u00ed sign\u00e1lov\u00e9ho \u0159et\u011bzce. Toho lze dos\u00e1hnout porovn\u00e1n\u00edm sign\u00e1l\u016f zaznamenan\u00fdch na analogov\u011b-digit\u00e1ln\u00edm p\u0159evodn\u00edku nebo pevn\u00e9m disku. Pot\u00e9 se pomoc\u00ed rychl\u00e9 Fourierovy transformace sign\u00e1ly p\u0159evedou z \u010dasov\u00e9 dom\u00e9ny do frekven\u010dn\u00ed dom\u00e9ny.
Pro anal\u00fdzu NVH je d\u016fle\u017eit\u00e9 z\u00edskat reprezentativn\u00ed prototyp s\u00e9riov\u00e9ho vozidla. To je nezbytn\u00e9 ji\u017e v ran\u00e9 f\u00e1zi n\u00e1vrhu, proto\u017ee zm\u011bny fin\u00e1ln\u00edho produktu \u010dasto vy\u017eaduj\u00ed podstatn\u00e9 \u00fapravy designu.
U \u0161ikm\u00fdch p\u0159evodovek je hlavn\u00ed v\u00fdhodou konfigurace reverzn\u00edho modulu ekonomi\u010dt\u011bj\u0161\u00ed v\u00fdroba radi\u00e1ln\u00ed p\u0159evodovky. Radi\u00e1ln\u00ed p\u0159evodovka pou\u017e\u00edv\u00e1 stejn\u00e9 n\u00e1stroje pro \u0159ez\u00e1n\u00ed zub\u016f jako \u010deln\u00ed ozuben\u00e9 kolo, ale lze ji vyrobit ekonomi\u010dt\u011bji.
Z\u00e1kladn\u00ed charakteristikou spir\u00e1lov\u00fdch p\u0159evodovek je v\u011bt\u0161\u00ed kontaktn\u00ed plocha a vy\u0161\u0161\u00ed nosnost. Z tohoto d\u016fvodu se spir\u00e1lov\u00e1 p\u0159evodovka obvykle pou\u017e\u00edv\u00e1 pro aplikace s vysok\u00fdm zat\u00ed\u017een\u00edm. Spir\u00e1lov\u00e9 p\u0159evodovky v\u0161ak m\u00edvaj\u00ed ni\u017e\u0161\u00ed \u00fa\u010dinnost ne\u017e \u010deln\u00ed typy.
Tepeln\u00e1 deformace lo\u017eisek m\u016f\u017ee tak\u00e9 zm\u011bnit charakteristiky NVH (hluku, vibrac\u00ed a vibrac\u00ed) p\u0159evodov\u00e9ho syst\u00e9mu se spir\u00e1lov\u00fdm ozuben\u00fdm kolem. V t\u00e9to studii jsou zkoum\u00e1ny vlivy zv\u00fd\u0161en\u00ed teploty lo\u017eiska na neline\u00e1rn\u00ed dynamick\u00e9 charakteristiky p\u0159evodov\u00e9ho syst\u00e9mu se spir\u00e1lov\u00fdm ozuben\u00fdm kolem.![\"spir\u00e1lov\u00e1](\"https:\/\/img.hzpt.com\/img\/helicalgearbox\/c-helicalgearbox-3.webp\")
<\/p>\nSpir\u00e1la<\/h2>\n
Ve srovn\u00e1n\u00ed s konven\u010dn\u00edmi ozuben\u00fdmi koly maj\u00ed \u0161ikm\u00e1 ozuben\u00e1 kola v\u011bt\u0161\u00ed kontaktn\u00ed plochu a produkuj\u00ed m\u00e9n\u011b hluku. Tato ozuben\u00e1 kola jsou skv\u011blou volbou pro dom\u00e1c\u00ed a lehk\u00e9 pr\u016fmyslov\u00e9 aplikace, zejm\u00e9na tam, kde je vy\u017eadov\u00e1na vysok\u00e1 \u00fa\u010dinnost.
\u0160roubov\u00e1 ozuben\u00e1 kola vytv\u00e1\u0159ej\u00ed axi\u00e1ln\u00ed axi\u00e1ln\u00ed s\u00edlu pomoc\u00ed speci\u00e1ln\u00edho maziva. Pou\u017e\u00edvaj\u00ed se v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch, jako je automobilov\u00fd, ropn\u00fd, potravin\u00e1\u0159sk\u00fd, plastik\u00e1\u0159sk\u00fd a textiln\u00ed. Pou\u017e\u00edvaj\u00ed se tak\u00e9 v dmychadlech, podava\u010d\u00edch a p\u0159evodov\u00fdch motorech.
U spir\u00e1lov\u00fdch ozuben\u00fdch kol je speci\u00e1ln\u00ed zub, kter\u00fd sv\u00edr\u00e1 \u00fahel s osou ot\u00e1\u010den\u00ed. Tento zub udr\u017euje kontakt, zat\u00edmco se ozuben\u00e9 kolo ot\u00e1\u010d\u00ed do pln\u00e9ho z\u00e1b\u011bru. \u00dahel mezi spir\u00e1lou a osou ot\u00e1\u010den\u00ed je obvykle 15 a\u017e 30 stup\u0148\u016f. Tento \u00fahel je d\u016fle\u017eit\u00fd pro ur\u010den\u00ed po\u010dtu zub\u016f.
Ve srovn\u00e1n\u00ed s p\u0159\u00edm\u00fdm ozuben\u00fdm kolem m\u00e1 \u0161ikm\u00e9 ozuben\u00e9 kolo vy\u0161\u0161\u00ed pom\u011br v\u00fdkonu k hmotnosti. To znamen\u00e1, \u017ee \u0161ikm\u00e9 ozuben\u00e9 kolo unese vy\u0161\u0161\u00ed zat\u00ed\u017een\u00ed.
\u0160roubov\u00e1 ozuben\u00e1 kola jsou obvykle p\u00e1rov\u00e1, p\u0159i\u010dem\u017e ka\u017ed\u00e9 ozuben\u00e9 kolo obsahuje zub ve tvaru V. Zub ve tvaru V je navr\u017een tak, aby umo\u017e\u0148oval v\u011bt\u0161\u00ed kontaktn\u00ed pom\u011br a z\u00e1rove\u0148 zachoval p\u0159ijatelnou minim\u00e1ln\u00ed velikost spodn\u00ed v\u016fle. \u0160pi\u010dka zubu se v\u0161ak m\u016f\u017ee zlomit, pokud je p\u0159\u00edli\u0161 tenk\u00e1.
Matematick\u00e1 definice \u00fahlu stoup\u00e1n\u00ed \u0161roubovice je d\u016fle\u017eit\u00e1 pro n\u00e1vrh \u0161ikm\u00e9ho ozuben\u00e9ho kola. \u00dahel stoup\u00e1n\u00ed \u0161roubovice je definov\u00e1n v \u010d\u00e1sti o geometrii zub\u016f \u0161ikm\u00e9ho ozuben\u00e9ho kola.
\u00dahel mezi \u0161roubovic\u00ed a axi\u00e1ln\u00ed osou ot\u00e1\u010den\u00ed se pou\u017e\u00edv\u00e1 k v\u00fdpo\u010dtu axi\u00e1ln\u00edho kontaktn\u00edho pom\u011bru ozuben\u00e9ho kola. Tento pom\u011br je definov\u00e1n jako sou\u010det celkov\u00e9ho po\u010dtu kontaktn\u00edch \u010dar nebo zub\u016f. Pokud je pom\u011br p\u0159ekryt\u00ed dvojice ozuben\u00fdch kol nulov\u00fd, pak je nulov\u00fd i axi\u00e1ln\u00ed kontaktn\u00ed pom\u011br.
\u0160roubov\u00e1 p\u0159evodovka m\u016f\u017ee b\u00fdt vysoce \u00fa\u010dinn\u00fdm p\u0159evodov\u00fdm syst\u00e9mem, ale m\u016f\u017ee trp\u011bt chybou p\u0159evodu. Ta je d\u016fsledkem axi\u00e1ln\u00ed axi\u00e1ln\u00ed s\u00edly, kter\u00e1 se rozpt\u00fdl\u00ed p\u0159i kontaktu s protilehl\u00fdm zubem. Pro minimalizaci ztr\u00e1ty v\u00fdkonu v spir\u00e1lov\u00e9 p\u0159evodovce bylo vyvinuto n\u011bkolik p\u0159\u00edstup\u016f.<\/p>\nP\u0159\u00ed\u010dn\u00e9 a norm\u00e1ln\u00ed roviny zub\u016f<\/h2>\n
\u0160roubovit\u00e9 ozuben\u00e9 kolo m\u00e1 obecn\u011b dv\u011b roviny: p\u0159\u00ed\u010dnou a norm\u00e1lovou rovinu. Norm\u00e1lov\u00e1 rovina je kolm\u00e1 k rovin\u011b stoup\u00e1n\u00ed. P\u0159\u00ed\u010dn\u00e1 rovina je kolm\u00e1 k axi\u00e1ln\u00ed rovin\u011b.
Kdy\u017e je zub v kontaktu, zat\u00ed\u017een\u00ed je v bod\u011b kontaktu kolm\u00e9 k povrchu. Toto se naz\u00fdv\u00e1 \u00fahel tlaku. Tento \u00fahel je funkc\u00ed radi\u00e1ln\u00ed polohy zubu na ose h\u0159\u00eddele. \u00dahel lze tak\u00e9 pou\u017e\u00edt k popisu tvaru zubu.
U \u0161ikm\u00fdch ozuben\u00fdch kol je \u00fahel norm\u00e1lov\u00e9ho tlaku \u00fahel, kter\u00fd sv\u00edr\u00e1 linie zat\u00ed\u017een\u00ed s rovinou kolmou k ose zubu. P\u0159i v\u00fdpo\u010dtu sil v p\u00e1ru \u0161ikm\u00fdch ozuben\u00fdch kol je d\u016fle\u017eit\u00e9 zn\u00e1t \u00fahel tlaku. Tento \u00fahel se obvykle pohybuje mezi 15 a 30 stupni.
\u0160roubov\u00e1 p\u0159evodovka je nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed p\u0159evodovkou. Skl\u00e1d\u00e1 se ze sady spir\u00e1lov\u00fdch ozuben\u00fdch kol spojen\u00fdch rovnob\u011b\u017en\u00fdmi h\u0159\u00eddeli. Pou\u017e\u00edv\u00e1 se tak\u00e9 v dmychadlech, textiln\u00edm pr\u016fmyslu, cukrovarnictv\u00ed a n\u00e1mo\u0159n\u00edch aplikac\u00edch. M\u00e1 vy\u0161\u0161\u00ed \u00farove\u0148 kontaktu a men\u0161\u00ed vibrace ne\u017e konven\u010dn\u00ed ozuben\u00e1 kola.
\u0160roubov\u00e1 ozuben\u00e1 kola lze pou\u017e\u00edt v podava\u010d\u00edch, dmychadlech a v pry\u017eov\u00fdch a plastov\u00fdch aplikac\u00edch. Jsou ti\u0161\u0161\u00ed ne\u017e konven\u010dn\u00ed ozuben\u00e1 kola, co\u017e je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 v potravin\u00e1\u0159sk\u00e9m pr\u016fmyslu. P\u0159en\u00e1\u0161ej\u00ed tak\u00e9 v\u011bt\u0161\u00ed zat\u00ed\u017een\u00ed. Jsou tak\u00e9 odoln\u00e1 a lze je pou\u017e\u00edt v dmychadlech.
\u0160roubov\u00e1 ozuben\u00e1 kola maj\u00ed \u0161ikmou stopu zub\u016f. Jsou m\u00e9n\u011b hlu\u010dn\u00e1 ne\u017e konven\u010dn\u00ed ozuben\u00e1 kola, co\u017e je \u010din\u00ed ide\u00e1ln\u00edmi pro n\u00e1mo\u0159n\u00ed aplikace. Tak\u00e9 plynule p\u0159en\u00e1\u0161ej\u00ed rotaci. Maj\u00ed efektivn\u00ed axi\u00e1ln\u00ed axi\u00e1ln\u00ed s\u00edlu a p\u0159en\u00e1\u0161ej\u00ed m\u00e9n\u011b vibrac\u00ed. Pou\u017e\u00edvaj\u00ed se v mnoha pr\u016fmyslov\u00fdch aplikac\u00edch, v\u010detn\u011b ropn\u00e9ho a potravin\u00e1\u0159sk\u00e9ho pr\u016fmyslu.
\u0160roubov\u00e1 ozuben\u00e1 kola na nerovnob\u011b\u017en\u00fdch h\u0159\u00eddel\u00edch maj\u00ed dv\u011b hlavn\u00ed kru\u017enice: rozte\u010dnou kru\u017enici a pr\u016fm\u011br paty. Tyto kru\u017enice se mohou li\u0161it, tak\u017ee v syst\u00e9mu radi\u00e1ln\u00edch modul\u016f lze pou\u017e\u00edt r\u016fzn\u00e9 tvary zub\u016f.![\"spir\u00e1lov\u00e1](\"https:\/\/img.hzpt.com\/img\/helicalgearbox\/b-helicalgearbox-3.webp\")
<\/p>\nVliv vn\u011bj\u0161\u00edho tlaku na \u0161ikm\u00e1 ozuben\u00e1 kola<\/h2>\n
Vzhledem k tomu, \u017ee p\u0159evodovky jsou \u010dasto kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed p\u0159enosu v\u00fdkonu, byl zkoum\u00e1n vliv vn\u011bj\u0161\u00edho tahu na p\u0159evodovky. Tento \u010dl\u00e1nek p\u0159edstavuje teoretick\u00fd model dopln\u011bn\u00fd experiment\u00e1ln\u00edmi m\u011b\u0159en\u00edmi. Zejm\u00e9na se zam\u011b\u0159uje na vliv axi\u00e1ln\u00edho l\u00edmce na p\u0159enosovou dr\u00e1hu.
\u00dasp\u011b\u0161n\u011b se uk\u00e1zalo, \u017ee axi\u00e1ln\u00ed axi\u00e1ln\u00ed tlak mezi \u0161ikm\u00fdmi ozuben\u00fdmi koly sni\u017euje tak\u00e9 akustick\u00fd dopad p\u0159evodovky \u00fatlumem vyza\u0159ovan\u00e9ho zvukov\u00e9ho v\u00fdkonu. Toho bylo dosa\u017eeno za\u010dlen\u011bn\u00edm mechanismu tlumen\u00ed hluku, kter\u00fd zahrnuje Rayleighovo tlumen\u00ed. Olejov\u00fd film obklopuj\u00edc\u00ed axi\u00e1ln\u00ed l\u00edmec je dal\u0161\u00edm tlumic\u00edm prvkem.
Krom\u011b sn\u00ed\u017een\u00ed vibrac\u00ed p\u0159evodovky m\u016f\u017ee tlumen\u00ed olejov\u00e9ho filmu zm\u00edrnit sp\u0159a\u017een\u00e9 stupn\u011b volnosti. Pro ov\u011b\u0159en\u00ed tohoto faktu byl vyvinut teoretick\u00fd model p\u0159evodovky vybaven\u00e9 axi\u00e1ln\u00edm l\u00edmcem. Tento model byl n\u00e1sledn\u011b pou\u017eit v simula\u010dn\u00edm modelu dynamiky p\u0159evodovky k anal\u00fdze vlivu axi\u00e1ln\u00edho l\u00edmce na p\u0159enosovou dr\u00e1hu.
Prvn\u00ed d\u00edl\u010d\u00ed model ukazuje, jak olejov\u00fd film a vyza\u0159ovan\u00fd zvukov\u00fd v\u00fdkon mohou ovlivnit akustick\u00fd v\u00fdkon p\u0159evodovky. Zejm\u00e9na jsou porovn\u00e1v\u00e1ny hladiny akustick\u00e9ho tlaku budic\u00edch frekvenc\u00ed na horn\u00edm krytu p\u0159evodovky ve vertik\u00e1ln\u00edm sm\u011bru. To bylo provedeno pomoc\u00ed akcelerometru.
Druh\u00fd d\u00edl\u010d\u00ed model je simulace zvuku \u0161\u00ed\u0159en\u00e9ho vzduchem z p\u0159evodov\u00e9 sk\u0159\u00edn\u011b. To se prov\u00e1d\u00ed pomoc\u00ed kombinace buzen\u00ed motoru a z\u00e1b\u011brov\u00e9ho buzen\u00ed. To se prov\u00e1d\u00ed m\u011b\u0159en\u00edm frekvence vyza\u0159ovan\u00e9ho zvuku p\u0159i \u010dty\u0159ech r\u016fzn\u00fdch kombinac\u00edch to\u010div\u00e9ho momentu a ot\u00e1\u010dek.
Krom\u011b toho bylo spir\u00e1lov\u00e9 kolo roz\u0159ez\u00e1no na libovoln\u00fd po\u010det pr\u016f\u0159ez\u016f. Ka\u017ed\u00e9 kolo je pot\u00e9 namontov\u00e1no na h\u0159\u00eddeli, kter\u00e1 se ot\u00e1\u010d\u00ed s jin\u00fdm \u010dasov\u00e1n\u00edm. \u0160ikm\u00e9 kolo je pro srovn\u00e1n\u00ed porovn\u00e1no s odpov\u00eddaj\u00edc\u00edm \u010deln\u00edm ozuben\u00fdm kolem. \u010celn\u00ed kolo m\u00e1 vy\u0161\u0161\u00ed nap\u011bt\u00ed v pat\u011b, ale jeho relativn\u00ed kontaktn\u00ed nap\u011bt\u00ed nen\u00ed zdaleka tak velk\u00e9 jako u spir\u00e1lov\u00e9ho kola.![\"\u010c\u00edna](\"https:\/\/img.hzpt.com\/img\/helicalgearbox\/helicalgearbox_l1.webp\")
![\"\u010c\u00edna](\"https:\/\/img.hzpt.com\/img\/helicalgearbox\/helicalgearbox_l2.webp\")
editor od czh 2023-03-24<\/p>","protected":false},"excerpt":{"rendered":"Item Description Spiral Bevel Helical Speed Equipment Reducer Reduction Agriculture Nmrv Worm Winch Monitor Slewing Drive Agricultural Cycloidal Servo Large Precision Planetary Gearbox \u00a0 Firm Profile We are a skilled firm engaged in the R&D, style, and producing of gearboxes. The business has introduced a quantity of innovative manufacturing and screening equipment. We have successfully 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