{"id":2381,"date":"2026-06-26T03:40:24","date_gmt":"2026-06-26T03:40:24","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2381"},"modified":"2026-06-26T03:40:24","modified_gmt":"2026-06-26T03:40:24","slug":"helical-gear-profile-shift-addendum-modification","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/sk\/helical-gear-profile-shift-addendum-modification\/","title":{"rendered":"\u0160pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1 s posunut\u00fdm profilom \u2013 Ako pou\u017ei\u0165 \u00fapravu doplnku na zabr\u00e1nenie podrezaniu a korekciu vzdialenosti stredov"},"content":{"rendered":"
\n
\n
<\/div>\n
\n

\u0160pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1 s posunut\u00fdm profilom \u2013 \u00faprava doplnku, prevencia podrezania a korekcia vzdialenosti stredov<\/h1>\n

Posun profilu v \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> \u2014 z\u00e1mern\u00e9 posunutie rezn\u00e9ho n\u00e1stroja vzh\u013eadom na polotovar ozuben\u00e9ho kolesa po\u010das odva\u013eovania \u2014 je jedn\u00fdm z najsilnej\u0161\u00edch, ale najmenej pochopen\u00fdch kon\u0161truk\u010dn\u00fdch n\u00e1strojov v \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> \u0161pecifik\u00e1cia. Spr\u00e1vne aplikovan\u00fd posun profilu m\u00f4\u017ee zabr\u00e1ni\u0165 podrezaniu kore\u0148a zuba na pastorkoch s n\u00edzkym po\u010dtom zubov, korigova\u0165 ne\u0161tandardn\u00fa stredov\u00fa vzdialenos\u0165 bez pou\u017eitia ne\u0161tandardn\u00e9ho modulu a vyv\u00e1\u017ei\u0165 \u00fanavov\u00fa \u017eivotnos\u0165 v ohybe medzi pastorkom a kolesom, ktor\u00e9 by inak mali rovnak\u00fa \u017eivotnos\u0165.<\/p>\n

Zadajte posun profilu pre va\u0161e \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

\u010co je to posun profilu? \u2013 Koncept posunu rezn\u00e9ho n\u00e1stroja<\/h2>\n

V \u0161tandarde \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Pri v\u00fdrobe (x = 0) je referen\u010dn\u00e1 \u010diara rezn\u00e9ho n\u00e1stroja doty\u010dnica rozstupovej kru\u017enice ozuben\u00e9ho kolesa po\u010das odva\u013eovania alebo tvarovania. Posun profilu pos\u00fava t\u00fato referen\u010dn\u00fa \u010diaru radi\u00e1lne: kladn\u00fd posun (x > 0) pos\u00fava fr\u00e9zu smerom von \u2013 od osi ozuben\u00e9ho kolesa \u2013 \u010d\u00edm odober\u00e1 viac materi\u00e1lu z addendum z\u00f3ny a ponech\u00e1va viac materi\u00e1lu v dedendum. V\u00fdsledkom je zub, ktor\u00fd je vy\u0161\u0161\u00ed v addendum (dlh\u0161\u00ed evolventn\u00fd bok) a hrub\u0161\u00ed v oblasti kore\u0148ov\u00e9ho zaoblenia:<\/p>\n

\n
\n

Pozit\u00edvny posun profilu (+x)<\/p>\n

Rezac\u00ed n\u00e1stroj sa posunul smerom von od osi ozuben\u00e9ho kolesa. \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Zub sa st\u00e1va: hrub\u0161\u00edm pri koreni (odolnej\u0161\u00edm vo\u010di \u00fanave v ohybe); dlh\u0161\u00edm akt\u00edvnym bokom evolventy; hrot mierne u\u017e\u0161\u00edm. Evolventa za\u010d\u00edna bli\u017e\u0161ie k z\u00e1kladnej kru\u017enici \u2013 \u010d\u00edm sa zni\u017euje riziko podrezania na pastorkoch s n\u00edzkym po\u010dtom zubov.<\/p>\n<\/div>\n

\n

Negat\u00edvny posun profilu (\u2212x)<\/p>\n

Fr\u00e9za sa posunula dovn\u00fatra smerom k osi ozuben\u00e9ho kolesa. Zub sa st\u00e1va: ten\u0161\u00edm pri koreni (slab\u0161\u00edm); krat\u0161\u00edm akt\u00edvnym evolventn\u00fdm bokom; hrot je \u0161ir\u0161\u00ed (men\u0161ie riziko \u0161picat\u00e9ho hrotu). Zvy\u0161uje riziko podrezania. Pou\u017e\u00edva sa hlavne na: zn\u00ed\u017eenie vzdialenosti pracovn\u00e9ho stredu, ke\u010f x\u2081 + x\u2082 = 0 a modifikuje sa iba jeden prevodov\u00fd stupe\u0148; alebo na udr\u017eanie spr\u00e1vnej vzdialenosti stredu, ke\u010f m\u00e1 zodpovedaj\u00faci pastorok kladn\u00fd posun (s\u00fa\u010dtov\u00e1 korekcia).<\/p>\n<\/div>\n<\/div>\n

Pr\u00edpad pou\u017eitia 1 \u2013 Zabr\u00e1nenie podrezaniu kore\u0148a zuba na pastorkoch s n\u00edzkym po\u010dtom zubov<\/h2>\n

Podrezanie kore\u0148a zuba odstra\u0148uje materi\u00e1l z kore\u0148ov\u00e9ho zaoblenia, \u010d\u00edm sa oslabuje \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> zub. Nast\u00e1va, ke\u010f po\u010det zubov klesne pod minimum pre dan\u00fd uhol tlaku a uhol skrutkovice. Pre \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> s norm\u00e1lov\u00fdm uhlom tlaku \u03b1_n = 20\u00b0 a uhlom skrutkovice \u03b2 je minim\u00e1lny po\u010det zubov bez podrezania pri x = 0:<\/p>\n

z_min (x=0) = 2 x cos \u03b2 \/ sin\u00b2\u03b1_t
\nkde \u03b1_t = arctg(tan \u03b1_n \/ cos \u03b2)<\/p>\n

Pre \u03b2 = 20\u00b0: \u03b1_t = 21,17\u00b0, sin\u00b2\u03b1_t = 0,1303
\nz_min = 2 \u00d7 cos 20\u00b0 \/ 0,1303 = 2 \u00d7 0,9397 \/ 0,1303 = 14,4 \u2192 zaokr\u00fahlite nahor na z_min = 15<\/p>\n

Pre \u03b2 = 25\u00b0: \u03b1_t = 22,80\u00b0, sin\u00b2\u03b1_t = 0,1500
\nz_min = 2 \u00d7 cos 25\u00b0 \/ 0,1500 = 2 \u00d7 0,9063 \/ 0,1500 = 12,1 \u2192 z_min = 13<\/p>\n

Pri kladnom posune profilu x sa minim\u00e1lny po\u010det zubov bez podrezania zni\u017euje. Pre virtu\u00e1lny po\u010det zubov (v norm\u00e1lovej rovine) plat\u00ed z_v = z \/ cos\u00b3\u03b2 profilu. \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong>, minim\u00e1lna hodnota z_v bez podrezania s posunom x je pribli\u017ene:<\/p>\n

z_vmin (s posunom x) \u2248 2 \u00d7 (1 \u2212 x) \/ sin\u00b2\u03b1_n = 17,1 \u00d7 (1 \u2212 x) [pre \u03b1_n = 20\u00b0]<\/p>\n

Minim\u00e1lny skuto\u010dn\u00fd po\u010det zubov \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa: z_min_actual = z_vmin \u00d7 cos\u00b3\u03b2<\/p>\n

Pr\u00edklady pre \u03b1_n = 20\u00b0, \u03b2 = 20\u00b0:
\nx = 0: z_vmin = 17,1 \u2192 z_min = 17,1 \u00d7 cos\u00b320\u00b0 = 14,2 \u2192 z_min = 15
\nx = 0,25: z_vmin = 12,8 \u2192 z_min = 12,8 \u00d7 0,830 = 10,6 \u2192 z_min = 11
\nx = 0,50: z_vmin = 8,55 \u2192 z_min = 8,55 \u00d7 0,830 = 7,1 \u2192 z_min = 8<\/p>\n

Praktick\u00fd pr\u00ednos:<\/strong> A \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Pastorok so z\u2081 = 10 zubami nie je mo\u017en\u00e9 vyrobi\u0165 pri x = 0 bez v\u00fdrazn\u00e9ho podrezania \u2013 zaoblenie kore\u0148a zuba sa odre\u017ee, \u010do dramaticky oslab\u00ed kore\u0148 zuba. Pri x\u2081 = +0,50 je rovnak\u00fd pastorok so z\u2081 = 10 vyrobite\u013en\u00fd bez podrezania s hr\u00fabkou kore\u0148a pribli\u017ene o 15% v\u00e4\u010d\u0161ou ako \u0161tandardn\u00fd kore\u0148 x = 0. To umo\u017e\u0148uje ve\u013emi kompaktn\u00e9 prevodov\u00e9 pomery v priestorovo obmedzen\u00fdch aplik\u00e1ci\u00e1ch, kde po\u010det zubov pastorka mus\u00ed klesn\u00fa\u0165 pod z = 15.<\/div>\n

Pr\u00edpad pou\u017eitia 2 \u2013 Korekcia ne\u0161tandardnej stredovej vzdialenosti<\/h2>\n

Ke\u010f je n\u00e1hrada \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Ak p\u00e1r mus\u00ed pasova\u0165 do existuj\u00faceho puzdra s ne\u0161tandardnou stredovou vzdialenos\u0165ou (z d\u00f4vodu opotrebovania puzdra, kon\u0161truk\u010dnej odch\u00fdlky alebo prepo\u010dtu z imperi\u00e1lnych na metrick\u00e9 jednotky), posun profilu umo\u017e\u0148uje dosiahnu\u0165 spr\u00e1vnu prev\u00e1dzkov\u00fa stredov\u00fa vzdialenos\u0165 bez \u0161pecifikovania ne\u0161tandardn\u00e9ho modulu. Pracovn\u00e1 stredov\u00e1 vzdialenos\u0165 a_w pre posunut\u00fd \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> p\u00e1r (x\u2081 + x\u2082 \u2260 0) je:<\/p>\n

a_w = (z\u2081 + z\u2082) \u00d7 Mn \/ (2 \u00d7 cos \u03b2) \u00d7 cos \u03b1_t \/ cos \u03b1_wt
\nkde pracovn\u00fd uhol prie\u010dneho tlaku \u03b1_wt sp\u013a\u0148a:
\ninv \u03b1_wt = inv \u03b1_t + 2 \u00d7 (x\u2081 + x\u2082) \u00d7 tan \u03b1_n \/ (z\u2081 + z\u2082)<\/p>\n

Pre korekciu osovej vzdialenosti: ak je skuto\u010dn\u00e1 osov\u00e1 vzdialenos\u0165 puzdra a_act = 130,5 mm, ale \u0161tandardn\u00e1 osov\u00e1 vzdialenos\u0165 pre M5, z\u2081=24, z\u2082=72, \u03b2=20\u00b0 je a_std = 128,0 mm, prebytok je \u0394a = 2,5 mm. S\u00fa\u010det posunov profilu potrebn\u00fdch na dosiahnutie tohto cie\u013ea:<\/p>\n

\u0394a = a_w \u2212 a_std = (z\u2081+z\u2082) \u00d7 Mn\/(2cos\u03b2) \u00d7 (cos \u03b1_t\/cos \u03b1_wt \u2212 1)<\/p>\n

Pre \u0394a = 2,5 mm so z\u2081+z\u2082 = 96, Mn=5, \u03b2=20\u00b0:
\ninv \u03b1_wt mo\u017eno n\u00e1js\u0165 iterat\u00edvne \u2192 (x\u2081+x\u2082) \u2248 \u0394a \u00d7 cos \u03b2 \/ (Mn \u00d7 tan \u03b1_n) = 2,5 \u00d7 0,940 \/ (5 \u00d7 0,364) \u2248 1,29<\/p>\n

To znamen\u00e1, \u017ee x\u2081 + x\u2082 \u2248 1,29 mus\u00ed by\u0165 rozdelen\u00e9 medzi dva prevodov\u00e9 stupne.
\nPraktick\u00e9 rozdelenie: x\u2081 = +0,70, x\u2082 = +0,59 \u2013 obe kladn\u00e9, oba ozuben\u00e9 koles\u00e1 z\u00edskavaj\u00fa pevnos\u0165 v kore\u0148ovej oblasti.<\/p>\n

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

Presne br\u00fasen\u00e9 s posunut\u00fdm profilom \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> \u2014 kladn\u00fd posun profilu (x > 0) je vidite\u013en\u00fd v \u0161ir\u0161om zaoblen\u00ed kore\u0148a zuba a mierne z\u00fa\u017eenej \u0161pi\u010dke zuba. Koeficient posunu profilu x je uveden\u00fd v tabu\u013eke \u00fadajov o ozubenom kolese na v\u00fdkrese a overen\u00fd analyz\u00e1torom ozuben\u00e9ho kolesa z nameran\u00e9ho rozsahu W_k a odch\u00fdlky d\u013a\u017eky z\u00e1kladnej doty\u010dnice.<\/p>\n

Pr\u00edpad pou\u017eitia 3 \u2013 Vyv\u00e1\u017een\u00e1 \u00fanava v ohybe medzi pastorkom a kolesom (Niemannova met\u00f3da)<\/h2>\n

V \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Pri pohone s pomerom u = z\u2082\/z\u2081 > 1 je kore\u0148 zuba pastorka za\u0165a\u017een\u00fd u-kr\u00e1t \u010dastej\u0161ie za jednotku \u010dasu ako kore\u0148 zuba ozuben\u00e9ho kolesa. Pastorok preto dosiahne svoju medzu \u00fanavy v ohybe sk\u00f4r \u2013 pokia\u013e pastorku nie je pridelen\u00fd kladn\u00fd posun profilu na zv\u00fd\u0161enie hr\u00fabky kore\u0148a a korek\u010dn\u00e9ho faktora nap\u00e4tia v kore\u0148ovej tetive (Y_Sa), zatia\u013e \u010do ozuben\u00e9 koleso dostane z\u00e1porn\u00fd posun rovnakej ve\u013ekosti (x\u2081 + x\u2082 = 0 pre nezmenen\u00fa stredov\u00fa vzdialenos\u0165). Niemannova met\u00f3da pre vyv\u00e1\u017een\u00e9 ohybovanie vol\u00ed rozlo\u017eenie posunu profilu tak, aby faktory bezpe\u010dnosti ohybu pod\u013ea normy ISO 6336-3 S_F1 (pastorok) a S_F2 (koleso) boli pribli\u017ene rovnak\u00e9:<\/p>\n

\n\n\n\n\n\n\n\n\n
Prevodov\u00fd pomer u = z\u2082\/z\u2081<\/th>\nOdpor\u00fa\u010dan\u00e9 x\u2081 (pastorok)<\/th>\nx\u2082 (prevodov\u00e9 stupne) = \u2212x\u2081 pre nulov\u00fd s\u00fa\u010det<\/th>\n\u00da\u010dinok<\/th>\n<\/tr>\n<\/thead>\n
u = 1,0 (rovnak\u00fd po\u010det zubov)<\/td>\nx\u2081 = 0 (posun nie je potrebn\u00fd)<\/td>\nx\u2082 = 0<\/td>\nOba prevody s\u00fa za\u0165a\u017een\u00e9 rovnako; nie je potrebn\u00e1 korekcia nerovnov\u00e1hy<\/td>\n<\/tr>\n
u = 2,0<\/td>\nx\u2081 \u2248 +0,15 a\u017e +0,25<\/td>\nx\u2082 \u2248 \u22120,15 a\u017e \u22120,25<\/td>\nKore\u0148 pastorka zosilnen\u00fd; kore\u0148 ozuben\u00e9ho kolesa mierne zoslaben\u00fd; \u010dist\u00fd S_F1 \u2248 S_F2<\/td>\n<\/tr>\n
u = 3,0\u20134,0<\/td>\nx\u2081 \u2248 +0,30 a\u017e +0,45<\/td>\nx\u2082 \u2248 \u22120,30 a\u017e \u22120,45<\/td>\nV\u00fdrazn\u00e9 spevnenie kore\u0148a pastorka; typicky \u0161tandardn\u00e9 odpor\u00fa\u010danie pre priemyseln\u00e9 pohony s i = 3\u20134<\/td>\n<\/tr>\n
u = 5,0+<\/td>\nx\u2081 \u2248 +0,45 a\u017e +0,60<\/td>\nx\u2082 \u2248 \u22120,45 a\u017e \u22120,60<\/td>\nMaxim\u00e1lny odpor\u00fa\u010dan\u00fd rozsah na udr\u017eanie dostato\u010dnej hr\u00fabky hrotu na kot\u00fa\u010di (vy\u017eaduje sa hr\u00fabka hrotu \u2265 0,2 \u00d7 Mn)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Kontrola 1 \u2013 Hr\u00fabka hrotu:<\/strong> Kladn\u00fd posun pastorka (x\u2081 > 0) zu\u017euje jeho hrot zuba. Minim\u00e1lna hr\u00fabka hrotu zuba na kru\u017enici mus\u00ed zosta\u0165 \u2265 0,2 \u00d7 Mn, aby sa zabr\u00e1nilo ostr\u00e9mu zlomu hrotu. Korea Ever-Power vypo\u010d\u00edta hr\u00fabku hrotu pre ka\u017ed\u00fd posunut\u00fd profil. \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> ako s\u00fa\u010das\u0165 kontroly objedn\u00e1vky \u2013 z\u00fa\u017eenie hrotu za tento limit si vy\u017eaduje zn\u00ed\u017eenie posunu alebo pridanie mal\u00e9ho skosenia hrotu.<\/p>\n

Kontrola 2 \u2013 Prevodov\u00fd pomer kontaktov:<\/strong> Ve\u013ek\u00fd s\u00fa\u010dtov\u00fd posun profilu (x\u2081 + x\u2082 > 0) zvy\u0161uje uhol pracovn\u00e9ho tlaku \u03b1_wt, \u010do zni\u017euje prie\u010dny kontaktn\u00fd pomer \u03b5_\u03b1. Spolo\u010dnos\u0165 Korea Ever-Power overuje, \u017ee celkov\u00fd kontaktn\u00fd pomer \u03b5_\u03b3 = \u03b5_\u03b1 + \u03b5_\u03b2 zost\u00e1va po aplik\u00e1cii posunu profilu \u2265 1,2.<\/div>\n

Ako zada\u0165 posun profilu na v\u00fdkrese ozuben\u00e9ho kolesa<\/h2>\n

Posun profilu je uveden\u00fd v tabu\u013eke \u00fadajov o prevodovom stupni na \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> v\u00fdkres ako bezrozmern\u00fd koeficient x (vz\u0165ah k norm\u00e1lovej rovine). \u0160tandardn\u00e1 not\u00e1cia:<\/p>\n

Pr\u00edklady riadkov tabu\u013eky s \u00fadajmi o prevodovom stupni:
\nNorm\u00e1lny modul: Mn = 5
\nNorm\u00e1lny tlakov\u00fd uhol: \u03b1_n = 20\u00b0
\nUhol \u0161pir\u00e1ly: \u03b2 = 20\u00b0 \u013eav\u00e1 strana
\nPo\u010det zubov: z = 24
\nPosun profilu: x = +0,35 \u2190 kladn\u00fd posun pre pastorok
\nStredov\u00e1 vzdialenos\u0165: a = 255,6 mm (pracovn\u00e1, a_w nie a_std pre posunut\u00fd p\u00e1r)
\nPracovn\u00fd uhol tlaku: \u03b1_wt = 22,4\u00b0 \u2190 sa men\u00ed, ke\u010f x\u2081+x\u2082 \u2260 0<\/p>\n

Pre zhodn\u00e9 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> p\u00e1r, v\u00fdkresy ozuben\u00e9ho kolesa aj pastorka musia uv\u00e1dza\u0165 ich individu\u00e1lne hodnoty x a pracovn\u00fa vzdialenos\u0165 p\u00e1ru a_w. S\u00fa\u010det x\u2081 + x\u2082 a v\u00fdsledn\u00e9 \u03b1_wt musia by\u0165 medzi oboma v\u00fdkresmi konzistentn\u00e9. Spolo\u010dnos\u0165 Korea Ever-Power overuje vz\u00e1jomn\u00fa kompatibilitu x\u2081 a x\u2082 v r\u00e1mci \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> p\u00e1r pred v\u00fdrobou, aby sa zabezpe\u010dila vn\u00fatorn\u00e1 konzistencia oboch v\u00fdkresov \u2013 \u010do je be\u017en\u00e1 chyba vo v\u00fdkresoch z\u00e1kazn\u00edkov prijat\u00fdch pre p\u00e1ry s posunut\u00fdm profilom.<\/p>\n

Overenie \u2013 Ako analyz\u00e1tor prevodov potvrd\u00ed posun profilu<\/h2>\n

\"Analyz\u00e1tor<\/p>\n

Analyz\u00e1tor ozuben\u00fdch kolies Korea Ever-Power overuj\u00faci posun profilu na \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> \u2014 meranie rozp\u00e4tia W_k (d\u013a\u017eka z\u00e1kladnej doty\u010dnice) a \u010das\u0165 s hr\u00fabkou zuba v spr\u00e1ve analyz\u00e1tora potvrdzuj\u00fa, \u017ee pou\u017eit\u00fd posun profilu x zodpoved\u00e1 \u0161pecifik\u00e1cii v\u00fdkresu. Hodnota W_k vy\u0161\u0161ia ako \u0161tandardn\u00e1 nomin\u00e1lna hodnota (x=0) nazna\u010duje, \u017ee bol pou\u017eit\u00fd kladn\u00fd posun.<\/p>\n

Posun profilu sa overuje nepriamo meran\u00edm rozp\u00e4tia W_k: nomin\u00e1lna hodnota W_k pre posunut\u00fd profil \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> zah\u0155\u0148a pr\u00edspevok posunu do hr\u00fabky zuba. Korea Ever-Power vypo\u010d\u00edtava nomin\u00e1lnu hodnotu W_k pre ka\u017ed\u00fa zadan\u00fa hodnotu x a uv\u00e1dza povolen\u00fd rozsah W_k (upraven\u00fd o posun profilu) v certifik\u00e1te o kontrole, \u010do umo\u017e\u0148uje z\u00e1kazn\u00edkom overi\u0165 zhodu s x pomocou digit\u00e1lneho posuvn\u00e9ho meradla po\u010das vstupnej kontroly. Ako priamy v\u00fdrobca \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies<\/a>Spolo\u010dnos\u0165 Korea Ever-Power vykon\u00e1va n\u00e1vrh posunu profilu \u2013 v\u00fdberom x\u2081 a x\u2082 pre prevenciu podrezania, korekciu stredovej vzdialenosti alebo vyv\u00e1\u017een\u00e9 ohyby \u2013 pre z\u00e1kazn\u00edkov, ktor\u00ed poskytn\u00fa svoje parametre pohonu a stredov\u00fa vzdialenos\u0165 puzdra. Prehliadajte si sortiment \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies<\/a> pre v\u0161etky \u0161tandardn\u00e9 a profilovo posunut\u00e9 konfigur\u00e1cie.<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
Men\u00ed posun profilu z\u00e1kladn\u00fa kru\u017enicu alebo modul \u0161pir\u00e1lov\u00e9ho ozuben\u00e9ho kolesa?<\/strong><\/p>\n

Ani jedno. Posun profilu nemen\u00ed priemer z\u00e1kladnej kru\u017enice (d_b = d \u00d7 cos \u03b1_t zost\u00e1va pevn\u00fd), ani modul (Mn je nastaven\u00fd fr\u00e9zou a nemen\u00ed sa jeho posunom). Men\u00ed sa poloha rozstupnej kru\u017enice vzh\u013eadom na z\u00e1kladn\u00fa kru\u017enicu, a teda aj proporcie zubov (v\u00fd\u0161ka adendumu, h\u013abka dedendumu, hr\u00fabka zuba na rozstupnej kru\u017enici). Evolventn\u00e1 krivka boku zuba je pred a po posune profilu rovnak\u00e1 \u2013 posun jednoducho vyu\u017e\u00edva in\u00fa \u010das\u0165 tej istej evolventy. To znamen\u00e1 posunutie profilu. \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> s modulom Mn = 5 sa st\u00e1le m\u00f4\u017ee spr\u00e1vne zachyti\u0165 so \u0161tandardn\u00fdm ozuben\u00fdm kolesom x = 0 s rovnak\u00fdm Mn a \u03b1_n \u2013 profil je st\u00e1le evolventou tej istej z\u00e1kladnej kru\u017enice, len posunutej pozd\u013a\u017e nej.<\/p>\n<\/div>\n

Ak\u00fd je maxim\u00e1lny bezpe\u010dn\u00fd posun profilu pre \u0161pir\u00e1lov\u00fd pastorok?<\/strong><\/p>\n

Maxim\u00e1lny pou\u017eite\u013en\u00fd pozit\u00edvny posun profilu je obmedzen\u00fd hr\u00fabkou hrotu zuba: so zvy\u0161uj\u00facim sa x sa hrot zuba zu\u017euje a nakoniec sa za\u0161pi\u010d\u00ed (hr\u00fabka hrotu \u2192 0). Praktick\u00fd limit je x_max tak, aby hr\u00fabka hrotu zuba s_a \u2265 0,2 \u00d7 Mn (minim\u00e1lny \u0161tandard spolo\u010dnosti Korea Ever-Power). Pre \u03b1_n = 20\u00b0, \u03b2 = 20\u00b0, z = 15: hr\u00fabku hrotu s_a na adendumovej kru\u017enici mo\u017eno vypo\u010d\u00edta\u0165 z evolventnej geometrie \u2013 maxim\u00e1lne x pred za\u0161pikovan\u00edm je pribli\u017ene x_max \u2248 0,55\u20130,65 pre z = 15. Pre z = 24: x_max \u2248 0,70\u20130,80. Za x_max sa mus\u00ed hrot zuba skr\u00e1ti\u0165 (zn\u00ed\u017eenie adendumu), aby sa zachovala minim\u00e1lna hr\u00fabka hrotu, \u010do zni\u017euje akt\u00edvnu d\u013a\u017eku profilu, a t\u00fdm aj kontaktn\u00fd pomer. Spolo\u010dnos\u0165 Korea Ever-Power vykon\u00e1va kontrolu hr\u00fabky hrotu pre ka\u017ed\u00fd posunut\u00fd profil. \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong>.<\/p>\n<\/div>\n

D\u00e1 sa existuj\u00face ozuben\u00e9 koleso s odvalovacou \u0161pir\u00e1lou pre\u0161pecifikova\u0165 s posunom profilu bez zmeny obr\u00e1bacieho zariadenia?<\/strong><\/p>\n

\u00c1no \u2013 t\u00e1 ist\u00e1 odva\u013eovacia fr\u00e9za pou\u017eit\u00e1 pre \u0161tandardn\u00e9 ozuben\u00e9 koleso x = 0 dok\u00e1\u017ee vytvori\u0165 ak\u00fdko\u013evek posun profilu od pribli\u017ene x = \u22120,5 do x = +0,8 jednoduch\u00fdm nastaven\u00edm radi\u00e1lnej h\u013abky pr\u00edsuvu (stredov\u00e1 vzdialenos\u0165 medzi osou odva\u013eovacej fr\u00e9zy a osou ozuben\u00e9ho kolesa po\u010das rezania). Nie je potrebn\u00e1 \u017eiadna nov\u00e1 odva\u013eovacia fr\u00e9za. Pre ozuben\u00e9 koles\u00e1 s posunom profilu \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> Pri br\u00fasen\u00ed CNC br\u00faska podobne upravuje br\u00fasny cyklus tak, aby aplikovala posun prostredn\u00edctvom softv\u00e9rov\u00e9ho nastavenia profilu \u2013 v r\u00e1mci praktick\u00e9ho rozsahu |x| \u2264 0,7 nie je potrebn\u00e1 \u017eiadna zmena opracovania br\u00fasneho kot\u00fa\u010da. Spolo\u010dnos\u0165 Korea Ever-Power aplikuje ak\u00fdko\u013evek zadan\u00fd posun profilu na ak\u00fdko\u013evek \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong> s pou\u017eit\u00edm \u0161tandardn\u00fdch kombin\u00e1ci\u00ed modulov\u00fdch odva\u013eovac\u00edch fr\u00e9z a br\u00fasnych kot\u00fa\u010dov bez zmeny n\u00e1strojov alebo vplyvu na dodaciu dobu.<\/p>\n<\/div>\n

Ako analyz\u00e1tor ozuben\u00fdch kolies zist\u00ed, \u010di m\u00e1 \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso spr\u00e1vny posun profilu?<\/strong><\/p>\n

Analyz\u00e1tor ozuben\u00fdch kolies meria d\u013a\u017eku z\u00e1kladnej doty\u010dnice (ekvivalent merania rozp\u00e4tia W_k) ako s\u00fa\u010das\u0165 pos\u00fadenia hr\u00fabky zuba. Pre posunut\u00fd profil \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koleso<\/strong>, nameran\u00e1 hodnota W_k presahuje nomin\u00e1lnu hodnotu x = 0 o: \u0394W_k = 2 \u00d7 x \u00d7 Mn \u00d7 sin \u03b1_n \u00d7 cos \u03b1_n (pr\u00edspevok posunu profilu k meraniu rozp\u00e4tia). Spr\u00e1vy analyz\u00e1torov spolo\u010dnosti Korea Ever-Power zah\u0155\u0148aj\u00fa nomin\u00e1lnu hodnotu W_k pre zadan\u00fa hodnotu x, tak\u017ee nameran\u00fa hodnotu W_k je mo\u017en\u00e9 priamo porovna\u0165 \u2013 nameran\u00e1 hodnota W_k nad alebo pod nomin\u00e1lnou hodnotou korigovanou na posun profilu nazna\u010duje, \u017ee po\u010das rezania bol pou\u017eit\u00fd nespr\u00e1vny posun. To umo\u017e\u0148uje jednoduch\u00fa numerick\u00fa kontrolu s\u00faladu s posunom profilu bez ak\u00e9hoko\u013evek \u0161peci\u00e1lneho nastavenia analyz\u00e1tora okrem \u0161tandardn\u00e9ho merania hr\u00fabky zuba.<\/p>\n<\/div>\n

\n

N\u00e1vrh posunu profilu pre va\u0161u aplik\u00e1ciu so \u0161pir\u00e1lov\u00fdm ozuben\u00fdm kolesom<\/h2>\n

Uve\u010fte po\u010det zubov, modul, uhol skrutkovice, skuto\u010dn\u00fa vzdialenos\u0165 os\u00ed puzdra a prevodov\u00fd pomer. Spolo\u010dnos\u0165 Korea Ever-Power vypo\u010d\u00edta spr\u00e1vne hodnoty x\u2081 a x\u2082 pre v\u00e1\u0161 \u00fa\u010del \u2013 prevenciu podrezania, korekciu vzdialenosti os\u00ed alebo vyv\u00e1\u017een\u00e9 ohyby \u2013 a pred v\u00fdrobou over\u00ed hr\u00fabku hrotu a kontaktn\u00fd pomer.<\/p>\n

Vy\u017eiada\u0165 si v\u00fdpo\u010det posunu profilu<\/a>
\nSortiment \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies<\/a><\/div>\n

N\u00e1vrh koeficientu x \u00b7 Kontrola podrezania \u00b7 Overenie hr\u00fabky hrotu \u00b7 Kontrola kontaktn\u00e9ho pomeru \u00b7 Rozsah W_k pre kontrolu \u00b7 Bez v\u00fdmeny n\u00e1stroja<\/p>\n<\/div>\n

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

\u0160pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1 s posunut\u00fdm profilom \u2013 \u00faprava dodatku, prevencia podrezania a korekcia vzdialenosti stredu Profilov\u00fd posun v \u0161pir\u00e1lovom ozubenom kolese \u2013 z\u00e1mern\u00e9 posunutie rezn\u00e9ho n\u00e1stroja vzh\u013eadom na polotovar ozuben\u00e9ho kolesa po\u010das odva\u013eovania \u2013 je jedn\u00fdm z naj\u00fa\u010dinnej\u0161\u00edch, ale najmenej pochopen\u00fdch kon\u0161truk\u010dn\u00fdch n\u00e1strojov pri \u0161pecifik\u00e1cii \u0161pir\u00e1lov\u00fdch ozuben\u00fdch kolies. Spr\u00e1vne aplikovan\u00fd profilov\u00fd posun m\u00f4\u017ee [\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-2381","post","type-post","status-publish","format-standard","hentry","category-helical-gears"],"_links":{"self":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/comments?post=2381"}],"version-history":[{"count":1,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2381\/revisions"}],"predecessor-version":[{"id":2382,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/posts\/2381\/revisions\/2382"}],"wp:attachment":[{"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/media?parent=2381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/categories?post=2381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helicalcutgears.top\/sk\/wp-json\/wp\/v2\/tags?post=2381"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}