{"id":2402,"date":"2026-06-26T05:10:08","date_gmt":"2026-06-26T05:10:08","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2402"},"modified":"2026-06-26T05:10:08","modified_gmt":"2026-06-26T05:10:08","slug":"helical-gear-rolling-mill-pinion-stand","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/cs\/helical-gear-rolling-mill-pinion-stand\/","title":{"rendered":"\u0160ikm\u00e9 ozuben\u00ed ve stojanech pastork\u016f v\u00e1lcoven oceli \u2013 tlumi\u010d z\u00e1b\u011bru, lo\u017eiska olejov\u00e9ho filmu a velk\u00fd modul"},"content":{"rendered":"
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\u0160roubovit\u00e9 ozuben\u00ed v pastorkov\u00fdch stolic\u00edch v\u00e1lcoven oceli \u2013 tlumi\u010d z\u00e1b\u011bru, lo\u017eiska s olejov\u00fdm filmem a konstrukce velk\u00fdch modul\u016f<\/h1>\n

Stojan pastorku je konstruk\u010dn\u011b nejn\u00e1ro\u010dn\u011bj\u0161\u00ed spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> aplikace v ocel\u00e1\u0159sk\u00e9m pr\u016fmyslu \u2013 ne proto, \u017ee p\u0159en\u00e1\u0161\u00ed nejvy\u0161\u0161\u00ed trval\u00fd to\u010div\u00fd moment, ale proto, \u017ee r\u00e1zov\u00fd moment p\u0159i vstupu hork\u00e9ho ocelov\u00e9ho bloku do v\u00e1lcovac\u00ed mezery generuje okam\u017eit\u00fd vrchol to\u010div\u00e9ho momentu 150\u2013300% jmenovit\u00e9ho v\u00e1lcovac\u00edho momentu, aplikovan\u00e9ho 60\u2013180kr\u00e1t za hodinu v hrubovac\u00ed stolici. Kombinace r\u00e1zov\u00e9ho momentu p\u0159i r\u00e1zov\u00e9m momentu p\u0159i zat\u00ed\u017een\u00ed kluzn\u00fdch lo\u017eisek olejov\u00fdm filmem a modulu M25\u2013M50 p\u0159i \u0161\u00ed\u0159k\u00e1ch \u010dela a\u017e 800 mm \u010din\u00ed z pastorkov\u00e9ho stolice spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> jedna z nejspecializovan\u011bj\u0161\u00edch sou\u010d\u00e1st\u00ed v t\u011b\u017ek\u00e9m pr\u016fmyslu.<\/p>\n

Popt\u00e1vka po specifikaci p\u0159evodovky pastorku \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

Architektura stojanu pastorku \u2013 \u00fa\u010del a mechanick\u00e1 konfigurace<\/h2>\n

Pastorkov\u00e1 stolice ve v\u00e1lcovac\u00ed stolici slou\u017e\u00ed specifick\u00e9mu \u00fa\u010delu, kter\u00fd ji odli\u0161uje od standardn\u00ed reduktorov\u00e9 p\u0159evodovky: m\u00e1 jeden vstupn\u00ed h\u0159\u00eddel motoru a rovnom\u011brn\u011b rozd\u011bluje to\u010div\u00fd moment mezi dva v\u00fdstupn\u00ed h\u0159\u00eddele \u2013 v\u0159etena poh\u00e1n\u011bj\u00edc\u00ed horn\u00ed a doln\u00ed pracovn\u00ed v\u00e1lce v\u00e1lcovac\u00ed stolice. Ve v\u011bt\u0161in\u011b v\u00e1lcoven pro v\u00e1lcov\u00e1n\u00ed p\u00e1su a plech\u016f za tepla pracuje pastorkov\u00e1 stolice s p\u0159evodov\u00fdm pom\u011brem 1:1 \u2013 oba v\u00fdstupn\u00ed h\u0159\u00eddele se ot\u00e1\u010dej\u00ed stejnou rychlost\u00ed jako vstupn\u00ed h\u0159\u00eddel, \u010d\u00edm\u017e se udr\u017euje synchronizovan\u00e1 rychlost povrchu v\u00e1lce. Sn\u00ed\u017een\u00ed rychlosti z ot\u00e1\u010dek motoru na rychlost v\u00e1lcov\u00e1n\u00ed se prov\u00e1d\u00ed samostatn\u00fdm hlavn\u00edm reduktorem pohonu p\u0159ed pastorkovou stolic\u00ed.<\/p>\n

\n
Stojan s jedn\u00edm pastorkem (nejb\u011b\u017en\u011bj\u0161\u00ed)<\/strong><\/p>\n

Jedno vstupn\u00ed \u0161ikm\u00e9 ozuben\u00e9 kolo (poh\u00e1n\u011bn\u00e9 motorem p\u0159es hlavn\u00ed reduktor) zab\u00edr\u00e1 se dv\u011bma identick\u00fdmi v\u00fdstupn\u00edmi \u0161ikm\u00fdmi ozuben\u00fdmi koly stejn\u00e9ho pr\u016fm\u011bru. Dv\u011b v\u00fdstupn\u00ed ozuben\u00e1 kola poh\u00e1n\u011bj\u00ed horn\u00ed a doln\u00ed v\u0159etena v\u00e1lc\u016f. Pom\u011br 1:1 znamen\u00e1, \u017ee v\u0161echna t\u0159i ozuben\u00e1 kola ve stojanu pastorku maj\u00ed stejn\u00fd po\u010det zub\u016f \u2013 vstupn\u00ed pastorek je um\u00edst\u011bn mezi dv\u011bma v\u00fdstupn\u00edmi ozuben\u00fdmi koly, obvykle se stejnou axi\u00e1ln\u00ed symetri\u00ed pro vyv\u00e1\u017een\u00ed zat\u00ed\u017een\u00ed lo\u017eisek.<\/p>\n<\/div>\n

Dvoupastorkov\u00fd stojan (velk\u00e9 hrubovac\u00ed fr\u00e9zy)<\/strong><\/p>\n

Dva tandemov\u00e9 pastorkov\u00e9 stolice zapojen\u00e9 v s\u00e9rii, ka\u017ed\u00e1 s p\u0159evodov\u00fdm pom\u011brem 1:1, umo\u017e\u0148uj\u00edc\u00ed pohon v\u00e1lcovac\u00ed stolice se \u010dty\u0159mi v\u00e1lci (op\u011brn\u00e9 v\u00e1lce + pracovn\u00ed v\u00e1lce) z jednoho p\u00e1ru motor\u016f. Dvoupastorkov\u00e1 stolice obsahuje \u010dty\u0159i identick\u00e1 \u0161ikm\u00e1 ozuben\u00e1 kola a p\u0159ed mont\u00e1\u017e\u00ed je nutn\u00e9 ov\u011b\u0159it shodu v\u016fle mezi v\u0161emi \u010dty\u0159mi \u2013 co\u017e je slo\u017eit\u00fd po\u017eadavek na p\u00e1rov\u00e1n\u00ed podobn\u00fd p\u00e1rov\u00e1n\u00ed dvojit\u00fdch \u0161ikm\u00fdch ozuben\u00fdch kol (\u010dl\u00e1nek 55).<\/p>\n<\/div>\n<\/div>\n

R\u00e1zov\u00fd r\u00e1z \u2013 ur\u010duj\u00edc\u00ed ud\u00e1lost zat\u00ed\u017een\u00ed pro \u0161ikm\u00e1 ozuben\u00e1 kola s pastorkem<\/h2>\n

K nejz\u00e1va\u017en\u011bj\u0161\u00ed mechanick\u00e9 ud\u00e1losti ve stolici v\u00e1lcovac\u00ed trat\u011b doch\u00e1z\u00ed, kdy\u017e se n\u00e1b\u011b\u017en\u00e1 hrana hork\u00e9ho ocelov\u00e9ho ingotu, bramy nebo p\u00e1su poprv\u00e9 dotkne rotuj\u00edc\u00edch pracovn\u00edch v\u00e1lc\u016f \u2013 jde o \u201ez\u00e1kus\u201c. V okam\u017eiku z\u00e1kusu mus\u00ed b\u00fdt mezera v\u00e1lc\u016f stla\u010dena, aby se zah\u00e1jila plastick\u00e1 deformace obrobku, co\u017e vy\u017eaduje n\u00e1hl\u00e9 a velk\u00e9 zv\u00fd\u0161en\u00ed to\u010div\u00e9ho momentu v\u00e1lc\u016f nad ust\u00e1len\u00fd v\u00e1lcovac\u00ed moment:<\/p>\n

Faktor r\u00e1zov\u00e9ho r\u00e1zu (pom\u011br \u0161pi\u010dkov\u00e9ho a ust\u00e1len\u00e9ho to\u010div\u00e9ho momentu):
\nHrubovac\u00ed stolice (prvn\u00ed redukce, tlust\u00e1 brama \u2265 100 mm): T_z\u00e1kus\/T_v\u00e1lec = 1,8\u20133,0
\nMeziporost (st\u0159edn\u00ed redukce): T_bite\/T_roll = 1,4\u20132,0
\nDokon\u010dovac\u00ed stolice (tenk\u00fd p\u00e1s, hladk\u00fd vstup): T_bite\/T_roll = 1,1\u20131,5<\/p>\n

Trv\u00e1n\u00ed: obvykle 0,05\u20130,20 sekundy (doba, za kterou n\u00e1b\u011b\u017en\u00e1 hrana projde
\nmezera mezi v\u00e1lci a valiv\u00fd moment pro stabilizaci na ust\u00e1len\u00e9 hodnot\u011b valiv\u00e9ho momentu)
\nFrekvence: 60\u2013180 z\u00e1b\u011br\u016f za hodinu v nep\u0159etr\u017eit\u011b b\u011b\u017e\u00edc\u00ed hrubovac\u00ed v\u00e1lcovn\u011b za tepla<\/p>\n

R\u00e1zov\u00fd r\u00e1z se p\u0159en\u00e1\u0161\u00ed p\u0159\u00edmo p\u0159es stojan pastorku spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> bez jak\u00e9hokoli mechanick\u00e9ho \u00fatlumu \u2013 na rozd\u00edl od pohon\u016f m\u00edcha\u010dek gumy (Art64), kde kapalinov\u00e1 spojka \u010d\u00e1ste\u010dn\u011b omezuje \u0161pi\u010dku p\u0159i rozb\u011bhu, maj\u00ed pastorkov\u00e9 stolice v\u00e1lcovac\u00edch stolic tuh\u00fd hnac\u00ed \u00fastroj\u00ed od motoru k v\u00e1lc\u016fm. Torzn\u00ed dynamika hnac\u00edho \u00fastroj\u00ed mezi motorem a v\u0159etenem pracovn\u00edho v\u00e1lce p\u0159ev\u00e1d\u00ed z\u00e1b\u011brovou ud\u00e1lost na tlumenou oscilaci \u2013 \u0161pi\u010dka to\u010div\u00e9ho momentu z\u00e1b\u011bru se \u0161\u00ed\u0159\u00ed zp\u011bt p\u0159es v\u0159eteno, \u0161roubovicov\u00e1 kola pastorkov\u00e9 stolice, hlavn\u00ed reduktor a motor, \u010d\u00edm\u017e bud\u00ed torzn\u00ed re\u017eimy cel\u00e9ho mechanick\u00e9ho syst\u00e9mu.<\/p>\n

Servisn\u00ed faktor pro konstrukci spir\u00e1lov\u00e9ho ozuben\u00e9ho kola s pastorkem:<\/strong> Servisn\u00ed faktory AGMA a ISO pou\u017e\u00edvan\u00e9 pro standardn\u00ed pr\u016fmyslov\u00e9 \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong> (KA = 1,25\u20132,50) dostate\u010dn\u011b nezachycuj\u00ed dynamiku r\u00e1z\u016f v z\u00e1b\u011bru pro pastorkov\u00e9 stolice v\u00e1lcovac\u00edch stolic. Normy pro ozuben\u00e1 kola v\u00e1lcovac\u00edch stolic (ISO 14521 a specifikace OEM v\u00e1lcovac\u00edch stolic) pou\u017e\u00edvaj\u00ed \u201edynamick\u00fd faktor z\u00e1b\u011bru\u201c, kter\u00fd kombinuje amplitudu r\u00e1z\u016f v z\u00e1b\u011bru s po\u010dtem z\u00e1b\u011br\u016f za hodinu a vlastn\u00ed torzn\u00ed frekvenc\u00ed ozuben\u00e9ho syst\u00e9mu \u2013 \u010d\u00edm\u017e se pro hrubovac\u00ed stolice vytv\u00e1\u0159\u00ed efektivn\u00ed provozn\u00ed faktor KA_eff = 2,0\u20133,5 v z\u00e1vislosti na konfiguraci v\u00e1lcovac\u00ed stolice a sortimentu v\u00fdrobk\u016f. Spole\u010dnost Korea Ever-Power si p\u0159ed potvrzen\u00edm specifikace spir\u00e1lov\u00e9ho ozuben\u00e9ho kola pastorkov\u00e9 stolice vy\u017e\u00e1d\u00e1 konfiguraci v\u00e1lcovac\u00ed stolice, v\u00e1lcovac\u00ed pl\u00e1n a zn\u00e1m\u00e9 \u00fadaje o s\u00edle z\u00e1b\u011bru.<\/div>\n

Lo\u017eiska s olejov\u00fdm filmem \u2013 pro\u010d m\u011bn\u00ed specifikaci \u0161ikm\u00e9ho ozuben\u00e9ho kola<\/h2>\n

\"Velkomodulov\u00e9<\/p>\n

Velkomodulov\u00fd stojan pastorku spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> \u2014 M32, 42CrMo4 induk\u010dn\u011b kalen\u00e9, namontovan\u00e9 na lo\u017eisk\u00e1ch s olejov\u00fdm filmem (hydrodynamick\u00e9 kluzn\u00e9 lo\u017eisko). Kluzn\u00e9 lo\u017eisko nese celou odd\u011blovac\u00ed s\u00edlu v\u00e1lc\u016f (a\u017e 5 000\u201315 000 kN ve v\u00e1lcovn\u00e1ch tlust\u00fdch plech\u016f) a mus\u00ed udr\u017eovat integritu olejov\u00e9ho filmu p\u0159i v\u0161ech v\u00e1lcovac\u00edch rychlostech v\u010detn\u011b kr\u00e1tk\u00e9ho obdob\u00ed n\u00edzk\u00fdch ot\u00e1\u010dek na za\u010d\u00e1tku a na konci ka\u017ed\u00e9ho v\u00e1lcovan\u00e9ho kusu<\/p>\n

Minim\u00e1ln\u00ed omezen\u00ed rychlosti z lo\u017eisek olejov\u00e9ho filmu<\/h3>\n

Lo\u017eiska s olejov\u00fdm filmem v lo\u017eiskov\u00fdch stojanech pastorku jsou hydrodynamick\u00e1 \u2013 olejov\u00fd film vznik\u00e1 ot\u00e1\u010den\u00edm h\u0159\u00eddele uvnit\u0159 lo\u017eiska. Pod minim\u00e1ln\u00ed rychlost\u00ed na povrchu h\u0159\u00eddele (obvykle 0,3\u20130,8 m\/s na \u010depu) se olejov\u00fd film rozru\u0161\u00ed a doch\u00e1z\u00ed ke kontaktu kovu na kov v lo\u017eisku. Toto omezen\u00ed minim\u00e1ln\u00ed rychlosti m\u00e1 p\u0159\u00edm\u00fd d\u016fsledek pro lo\u017eiskov\u00fd stojan pastorku. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong>: v\u00e1lcovac\u00ed stolice nem\u016f\u017ee pracovat pod minim\u00e1ln\u00ed rychlost\u00ed v\u00e1lcov\u00e1n\u00ed a v\u00e1lcov\u00e1n\u00ed se nesm\u00ed zastavit, kdy\u017e je obrobek v meze\u0159e (co\u017e by zp\u016fsobilo, \u017ee lo\u017eisko by v d\u016fsledku odd\u011blovac\u00ed s\u00edly v\u00e1lc\u016f vyschlo). N\u00edzkorychlostn\u00ed z\u00e1b\u011br \u2013 kdy je rychlost v\u00e1lcov\u00e1n\u00ed sn\u00ed\u017eena, aby se umo\u017enil jemn\u00fd vstup obrobku \u2013 je omezen minim\u00e1ln\u00ed rychlost\u00ed olejov\u00e9ho filmu, co\u017e vytv\u00e1\u0159\u00ed minim\u00e1ln\u00ed rychlost z\u00e1b\u011bru, kter\u00e1 ovliv\u0148uje v\u00e1lcovac\u00ed pl\u00e1n a rozsah tlou\u0161t\u011bk v\u00fdrobk\u016f, kter\u00e9 m\u016f\u017ee v\u00e1lcovac\u00ed stolice vyrobit.<\/p>\n

Rozlo\u017een\u00ed zat\u00ed\u017een\u00ed lo\u017eiska a zat\u00ed\u017een\u00ed zub\u016f ozuben\u00e9ho kola<\/h3>\n

Na rozd\u00edl od valiv\u00fdch lo\u017eisek (kter\u00e1 lze p\u0159edpnout na nulovou v\u016fli) maj\u00ed lo\u017eiska s olejov\u00fdm filmem kone\u010dnou v\u016fli v chodu (obvykle 0,05\u20130,20 mm radi\u00e1ln\u011b). Tato v\u016fle znamen\u00e1, \u017ee se h\u0159\u00eddel vstupn\u00edho pastorku m\u016f\u017ee v lo\u017eisku vych\u00fdlit, \u010d\u00edm\u017e se zm\u011bn\u00ed osov\u00e1 vzd\u00e1lenost mezi vstupem a v\u00fdstupem. \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong> p\u0159i prom\u011bnn\u00e9m zat\u00ed\u017een\u00ed z\u00e1b\u011bru. Spole\u010dnost Korea Ever-Power specifikuje vyklenut\u00ed zub\u016f \u0161roubovit\u00e9ho ozuben\u00e9ho kola stojanu pastorku (C_\u03b2 = 20\u201350 \u00b5m, viz \u010dl\u00e1nek 46), konkr\u00e9tn\u011b pro kompenzaci tohoto zat\u00ed\u017een\u00edm z\u00e1visl\u00e9ho pr\u016fhybu h\u0159\u00eddele v r\u00e1mci v\u016fle pouzdrov\u00e9ho lo\u017eiska \u2013 aby se zachoval dostate\u010dn\u00fd kontakt s \u010deln\u00ed plochou p\u0159i nejhor\u0161\u00edm r\u00e1zov\u00e9m zat\u00ed\u017een\u00ed z\u00e1b\u011bru bez koncentrace hran, kter\u00e1 by mohla zp\u016fsobit p\u0159ed\u010dasn\u00e9 zma\u010dk\u00e1n\u00ed pouzdra na konc\u00edch \u010del.<\/p>\n

V\u00fdb\u011br materi\u00e1lu a modulu pro stojan pastorku se spir\u00e1lov\u00fdmi ozuben\u00fdmi koly<\/h2>\n
\n\n\n\n\n\n\n\n\n
Typ ml\u00fdna<\/th>\nModul Mn<\/th>\n\u0160\u00ed\u0159ka obli\u010deje b<\/th>\nMateri\u00e1l<\/th>\nTepeln\u00e9 zpracov\u00e1n\u00ed<\/th>\nTypick\u00fd v\u00fdstupn\u00ed to\u010div\u00fd moment<\/th>\n<\/tr>\n<\/thead>\n
Stol pro dokon\u010dov\u00e1n\u00ed za tepla<\/td>\nM20\u2013M30<\/td>\n300\u2013500 mm<\/td>\n17CrNiMo6<\/td>\nCementovan\u00e9 HRC 58\u201362<\/td>\n500 000\u20132 000 000 N\u00b7m na stojan<\/td>\n<\/tr>\n
Stol pro hrubov\u00e1n\u00ed za tepla<\/td>\nM32\u2013M50<\/td>\n500\u2013800 mm<\/td>\n42CrMo4 nebo 17CrNiMo6<\/td>\nInduk\u010dn\u00ed HRC 50\u201355 nebo cementace<\/td>\n1 000 000\u20135 000 000 N\u00b7m na stojan<\/td>\n<\/tr>\n
Plo\u0161n\u00e1 v\u00e1lcovna (jednostoln\u00ed)<\/td>\nM40\u2013M60<\/td>\n600\u20131 000 mm<\/td>\n42CrMo4<\/td>\nInduk\u010dn\u00ed HRC 50\u201355<\/td>\n2 000 000\u201310 000 000 N\u00b7m<\/td>\n<\/tr>\n
Valcovna ty\u010d\u00ed a ty\u010d\u00ed (mal\u00e1 sekce)<\/td>\nM16\u2013M24<\/td>\n200\u2013400 mm<\/td>\n17CrNiMo6<\/td>\nCementovan\u00e9 HRC 58\u201362<\/td>\n50 000\u2013500 000 N\u00b7m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Pro stojan pastorku pro deskov\u00e9 fr\u00e9zky \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong> U M40\u2013M60 pr\u016fm\u011br polotovaru 1 500\u20132 500 mm p\u0159ekra\u010duje hloubku prokalitelnosti jak\u00e9koli cementa\u010dn\u00ed oceli \u2013 17CrNiMo6 spolehliv\u011b cementuje pr\u016f\u0159ezy a\u017e do pr\u016fm\u011bru p\u0159ibli\u017en\u011b 500 mm. U M50 s z = 25 je pr\u016fm\u011br rozte\u010de p\u0159ibli\u017en\u011b 1 330 mm a pr\u016fm\u011br polotovaru je p\u0159ibli\u017en\u011b 1 400\u20131 500 mm. Tato velikost pr\u016f\u0159ezu vy\u017eaduje induk\u010dn\u00ed kalen\u00ed 42CrMo4 (kalen\u00ed pouze povrchu zubu, p\u0159i\u010dem\u017e j\u00e1dro je ponech\u00e1no na QT HB 280\u2013320) jako jedinou praktickou cestu tepeln\u00e9ho zpracov\u00e1n\u00ed. Dosa\u017een\u00e1 hodnota \u03c3_H lim (820\u2013950 MPa) je ni\u017e\u0161\u00ed ne\u017e u cementace (1 600\u20131 800 MPa), ale statick\u00e1 ohybov\u00e1 pevnost p\u0159i r\u00e1zov\u00fdch momentech z\u00e1b\u011bru je ve skute\u010dnosti l\u00e9pe udr\u017eov\u00e1na, proto\u017ee tvrd\u0161\u00ed QT j\u00e1dro odol\u00e1v\u00e1 \u0161\u00ed\u0159en\u00ed trhlin od r\u00e1zov\u00fdch r\u00e1z\u016f \u00fa\u010dinn\u011bji ne\u017e cementovan\u00e9 j\u00e1dro s relativn\u011b k\u0159ehk\u00fdm povrchem s vysok\u00fdm obsahem uhl\u00edku.<\/p>\n

Univerz\u00e1ln\u00ed p\u0159ipojen\u00ed v\u0159etena \u2013 rozhran\u00ed mezi stojanem pastorku a pracovn\u00edm v\u00e1lcem<\/h2>\n

V\u00fdstupn\u00ed h\u0159\u00eddele pastorkov\u00e9ho stolu jsou spojeny s krky pracovn\u00edch v\u00e1lc\u016f pomoc\u00ed univerz\u00e1ln\u00edch v\u0159eten (naz\u00fdvan\u00fdch tak\u00e9 kardanov\u00e1 v\u0159etena nebo ozuben\u00e1 v\u0159etena) \u2013 pru\u017en\u00fdch spojek, kter\u00e9 vyrovn\u00e1vaj\u00ed \u00fahlov\u00e9 vych\u00fdlen\u00ed mezi st\u0159edovou osou v\u00fdstupn\u00edho h\u0159\u00eddele pastorkov\u00e9ho stolu a st\u0159edovou osou krku v\u00e1lce, kter\u00e9 se m\u011bn\u00ed se zm\u011bnou otvoru v\u00e1lcovac\u00ed mezery pro r\u016fzn\u00e9 tlou\u0161\u0165ky v\u00fdrobku. Univerz\u00e1ln\u00ed v\u0159eteno p\u0159en\u00e1\u0161\u00ed jak v\u00e1lcovac\u00ed moment, tak i r\u00e1zov\u00fd moment na pracovn\u00ed v\u00e1lec a z\u00e1rove\u0148 umo\u017e\u0148uje \u00fahlovou v\u00fdchylku \u00b13\u201315\u00b0. Pastorkov\u00fd stolec dod\u00e1v\u00e1 spole\u010dnost Korea Ever-Power. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> Nastavte rozm\u011bry a vy\u010dist\u011bte rozm\u011bry univerz\u00e1ln\u00edho p\u0159\u00edrubov\u00e9ho spojen\u00ed v\u0159etena a p\u0159ed v\u00fdrobou ov\u011b\u0159te, \u017ee pr\u016fm\u011br v\u00fdstupn\u00edho h\u0159\u00eddele a rozte\u010dn\u00e1 kru\u017enice p\u0159\u00edrubov\u00fdch \u0161roub\u016f jsou kompatibiln\u00ed se specifikac\u00ed v\u0159etena z\u00e1kazn\u00edka.<\/p>\n

Korea Ever-Power \u2014 Dod\u00e1vka \u0161ikm\u00fdch ozuben\u00fdch kol pro v\u00e1lcovac\u00ed stolice<\/h2>\n

\"V\u00fdroba<\/p>\n

V\u00fdroba a fin\u00e1ln\u00ed kontrola pastorkov\u00e9ho stolu v\u00e1lcovac\u00ed stolice spole\u010dnost\u00ed Korea Ever-Power spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> \u2014 M32, \u0161\u00ed\u0159ka \u010deln\u00ed plochy 600 mm, induk\u010dn\u011b kalen\u00e1 ocel 42CrMo4 HRC 52. Provozn\u00ed faktor r\u00e1zov\u00e9ho z\u00e1b\u011bru (KA_eff = 2,5 pro tento hrubovac\u00ed stolec) a stoup\u00e1n\u00ed stoup\u00e1n\u00ed (C_\u03b2 = 35 \u00b5m pro kompenzaci pr\u016fhybu kluzn\u00e9ho lo\u017eiska) jsou potvrzeny v dokumentaci objedn\u00e1vky.<\/p>\n

Korea Ever-Power vyr\u00e1b\u00ed ozuben\u00e1 kola se \u0161roubovicov\u00fdm \u0159ezem<\/strong> Pro pastorkov\u00e9 stolice v\u00e1lcovac\u00edch stolic od M16 do M50, \u0161\u00ed\u0159ky \u010deln\u00ed plochy 200\u20131 000 mm, z cementovan\u00e9 oceli 17CrNiMo6 (M16\u2013M32) a induk\u010dn\u011b kalen\u00e9 oceli 42CrMo4 (M32\u2013M50+). Provozn\u00ed faktor r\u00e1zov\u00e9ho nam\u00e1h\u00e1n\u00ed p\u0159i z\u00e1b\u011bru, specifikace zaoblen\u00ed n\u00e1b\u011bhu a statick\u00e1 ohybov\u00e1 kontrola p\u0159i maxim\u00e1ln\u00edm kroutic\u00edm momentu p\u0159i z\u00e1b\u011bru jsou standardn\u011b zahrnuty v dokumentaci objedn\u00e1vky. Jako p\u0159\u00edm\u00fd v\u00fdrobce \u0161ikm\u00fdch ozuben\u00fdch kol<\/a>Spole\u010dnost Korea Ever-Power tak\u00e9 vyr\u00e1b\u00ed kompletn\u00ed p\u00e1rovanou sadu (vstupn\u00ed pastorek + dva v\u00fdstupn\u00ed pastorky) s ov\u011b\u0159en\u00fdmi m\u011b\u0159en\u00edmi analyz\u00e1toru ozuben\u00fdch kol a potvrzen\u00fdm p\u00e1rov\u00e1n\u00edm mezi v\u0161emi t\u0159emi ozuben\u00fdmi koly \u2013 co\u017e je nezbytn\u00e9 pro vyv\u00e1\u017een\u00e9 rozd\u011blen\u00ed z\u00e1t\u011b\u017ee. Prohl\u00e9dn\u011bte si sortiment \u0161ikm\u00fdch ozuben\u00fdch kol<\/a> pro v\u00e1lcovny a t\u011b\u017ek\u00e9 pr\u016fmyslov\u00e9 aplikace.<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
Pro\u010d se u t\u011bchto velmi velk\u00fdch modul\u016f pou\u017e\u00edvaj\u00ed pastorkov\u00e9 stolice v\u00e1lcovac\u00edch stolic sp\u00ed\u0161e ne\u017e \u010deln\u00ed ozuben\u00e1 kola se \u0161ikm\u00fdmi ozuben\u00fdmi koly?<\/strong><\/p>\n

P\u0159i rychlostech M32\u2013M50 a rychlostech v\u00e1lcov\u00e1n\u00ed 0,5\u201310 m\/s na ose stoup\u00e1n\u00ed by \u010deln\u00ed ozuben\u00e9 kolo m\u011blo \u03b5_\u03b1 = 1,2\u20131,6 (p\u0159\u00ed\u010dn\u00fd kontaktn\u00ed pom\u011br) \u2013 co\u017e znamen\u00e1, \u017ee ka\u017ed\u00fd p\u00e1r zub\u016f kr\u00e1tkodob\u011b nese pln\u00fd to\u010div\u00fd moment s\u00e1m p\u0159i p\u0159echodech mezi kontaktem jednoho p\u00e1ru a dvou p\u00e1r\u016f. Pro hrubovac\u00ed stolici p\u0159en\u00e1\u0161ej\u00edc\u00ed 2 000 000 N\u00b7m s r\u00e1zem v z\u00e1b\u011bru p\u0159i 2,5\u00d7 jmenovit\u00e9 s\u00edle by okam\u017eit\u00e1 s\u00edla zubu p\u0159i kontaktu jednoho p\u00e1ru byla enormn\u00ed. A spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> s \u03b2 = 15\u201320\u00b0 a \u0161\u00ed\u0159kou \u010dela 600 mm dosahuje \u03b5_\u03b2 = 1,0\u20131,3 krom\u011b \u03b5_\u03b1, tak\u017ee \u017e\u00e1dn\u00fd moment v s\u00ed\u0165ov\u00e9m cyklu nen\u00ed p\u0159en\u00e1\u0161en m\u00e9n\u011b ne\u017e ekvivalentem p\u00e1r\u016f zub\u016f \u03b5_\u03b1 + \u03b5_\u03b2 sou\u010dasn\u011b. Toto rozd\u011blen\u00ed zat\u00ed\u017een\u00ed je d\u016fvodem \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong> nahradily \u010deln\u00ed ozuben\u00e1 kola ve v\u0161ech modern\u00edch pastorkov\u00fdch stolic\u00edch v\u00e1lcovac\u00edch stolic: plynulej\u0161\u00ed p\u0159echod s\u00edly v\u00fdrazn\u011b sni\u017euje zes\u00edlen\u00ed r\u00e1z\u016f v z\u00e1b\u011bru a buzen\u00ed torzn\u00ed rezonanc\u00ed, kter\u00e9 zp\u016fsobuje po\u0161kozen\u00ed hnac\u00edho \u00fastroj\u00ed.<\/p>\n<\/div>\n

Jak\u00e1 je typick\u00e1 \u017eivotnost \u0161ikm\u00e9ho ozuben\u00e9ho kola pastorku v\u00e1lcovac\u00ed stolice?<\/strong><\/p>\n

Dob\u0159e specifikovan\u00fd pastorek hrubovac\u00edho stolice z induk\u010dn\u011b kalen\u00e9 oceli 42CrMo4 (M40, HRC 52) dosahuje p\u0159i kontinu\u00e1ln\u00ed v\u00fdrob\u011b za tepla opracovan\u00e9ho p\u00e1su p\u0159i 120 z\u00e1b\u011brech za hodinu p\u0159ibli\u017en\u011b 5\u201310 let provozu, ne\u017e je nutn\u00e9 vym\u011bnit zuby z d\u016fvodu opot\u0159eben\u00ed nebo \u00fanavy materi\u00e1lu. Prim\u00e1rn\u00edm mechanismem opot\u0159eben\u00ed je abrazivn\u00ed opot\u0159eben\u00ed zp\u016fsoben\u00e9 oxidov\u00fdmi okujemi a \u010d\u00e1sticemi v\u00e1lcovac\u00edch okuj\u00ed, kter\u00e9 vstupuj\u00ed do sk\u0159\u00edn\u011b stolice pastorku (navzdory ut\u011bsn\u011bn\u00fdm sk\u0159\u00edn\u00edm) a kontaminuj\u00ed p\u0159evodov\u00fd olej. Cementovan\u00fd pastorek 17CrNiMo6 \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong> (v men\u0161\u00edch modulech M16\u2013M24 pro dokon\u010dovac\u00ed stolice) obvykle dosahuj\u00ed 8\u201315 let provozu p\u0159i spr\u00e1vn\u00e9m maz\u00e1n\u00ed. Dominantn\u00edm mechanismem \u00fanavy je po\u0161kozen\u00ed r\u00e1zem v d\u016fsledku z\u00e1b\u011bru (\u00fanava ko\u0159ene zubu v d\u016fsledku cyklick\u00e9ho p\u0159et\u00ed\u017een\u00ed) sp\u00ed\u0161e ne\u017e Hertzova kontaktn\u00ed \u00fanava \u2013 proto je pro pastorkov\u00fd stolec ur\u010duj\u00edc\u00ed statick\u00e1 kontrola ohybu p\u0159i z\u00e1b\u011brov\u00e9m momentu. spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> specifikace v\u00edce ne\u017e kontrola \u00fanavov\u00e9ho kontaktn\u00edho nap\u011bt\u00ed p\u0159i jmenovit\u00e9m valiv\u00e9m momentu.<\/p>\n<\/div>\n

Mohou b\u00fdt t\u0159i ozuben\u00e1 kola ve stojanu pastorku (vstupn\u00ed pastorek + dva v\u00fdstupn\u00ed ozuben\u00e1 kola) dod\u00e1v\u00e1na jako sp\u00e1rovan\u00e1 sada a pro\u010d je na sp\u00e1rov\u00e1n\u00ed d\u016fle\u017eit\u00e9?<\/strong><\/p>\n

Ano \u2014 Korea Ever-Power dod\u00e1v\u00e1 stojan s pastorkem spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/strong> sady (v\u0161echny t\u0159i nebo \u010dty\u0159i ozuben\u00e1 kola) jako sp\u00e1rovanou sadu s potvrzenou kontinuitou stoup\u00e1n\u00ed mezi v\u0161emi z\u00e1b\u011bry. Shoda je d\u016fle\u017eit\u00e1, proto\u017ee: (1) pokud maj\u00ed dv\u011b v\u00fdstupn\u00ed ozuben\u00e1 kola m\u00edrn\u011b odli\u0161n\u00e9 chyby stoup\u00e1n\u00ed vzhledem ke vstupn\u00edmu pastorku, jeden v\u00e1lec se ot\u00e1\u010d\u00ed nepatrn\u011b rychleji ne\u017e druh\u00fd \u2013 co\u017e zp\u016fsobuje zk\u0159\u00ed\u017een\u00ed v\u00e1lc\u016f, kter\u00e9 krout\u00ed obrobek ve v\u00e1lcovac\u00ed meze\u0159e a vytv\u00e1\u0159\u00ed tvarovou vadu; (2) dv\u011b v\u00fdstupn\u00ed ozuben\u00e1 kola mus\u00ed m\u00edt shodnou tlou\u0161\u0165ku zubu (stejnou v\u016fli v\u016f\u010di vstupn\u00edmu pastorku), aby bylo zaji\u0161t\u011bno rovnom\u011brn\u00e9 rozlo\u017een\u00ed to\u010div\u00e9ho momentu \u2013 nesourod\u00e1 sada p\u0159en\u00e1\u0161\u00ed proporcion\u00e1ln\u011b v\u011bt\u0161\u00ed to\u010div\u00fd moment p\u0159es t\u011bsn\u011bj\u0161\u00ed z\u00e1b\u011br a p\u0159et\u011b\u017euje jedno ozuben\u00e9 kolo. Spole\u010dnost Korea Ever-Power m\u011b\u0159\u00ed v\u0161echna ozuben\u00e1 kola v pastorkov\u00e9m stolici instalovan\u00e9m na stejn\u00e9m analyz\u00e1toru ozuben\u00fdch kol a p\u0159ed odesl\u00e1n\u00edm dokumentuje f\u00e1zov\u00e1n\u00ed stoup\u00e1n\u00ed a v\u016fli pro ka\u017ed\u00fd p\u00e1r.<\/p>\n<\/div>\n

Jak\u00fd olejov\u00fd syst\u00e9m pou\u017e\u00edv\u00e1 pastorek v\u00e1lcovac\u00ed stolice a jak\u00fd je spr\u00e1vn\u00fd druh oleje?<\/strong><\/p>\n

Pastorkov\u00e9 stolice v\u00e1lcovac\u00edch stolic pou\u017e\u00edvaj\u00ed syst\u00e9m maz\u00e1n\u00ed s cirkuluj\u00edc\u00edm olejem (ne rozst\u0159ikov\u00e1n\u00edm ani olejovou l\u00e1zn\u00ed) \u2013 olej se \u010derp\u00e1 z centr\u00e1ln\u00ed n\u00e1dr\u017ee pr\u016ftokem p\u0159ibli\u017en\u011b 3\u201310 l\/min na z\u00e1b\u011br ozuben\u00e9ho kola, filtruje se na 10\u201325 \u00b5m a vst\u0159ikuje se tryskami nam\u00ed\u0159en\u00fdmi do vstupn\u00ed z\u00f3ny z\u00e1b\u011bru zub\u016f. Stejn\u00fd olejov\u00fd okruh obvykle slou\u017e\u00ed i pro pastorkov\u00fd stolec. \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong>, spojky v\u0159etena a kluzn\u00e1 lo\u017eiska. Druh oleje: Miner\u00e1ln\u00ed p\u0159evodov\u00fd olej ISO VG 220\u2013320 s p\u0159\u00edsadami proti opot\u0159eben\u00ed a p\u011bn\u011bn\u00ed je standardem pro v\u011bt\u0161inu aplikac\u00ed pastorkov\u00fdch stolic v\u00e1lcovac\u00edch stolic. Vysoce odoln\u00e9 formulace se zv\u00fd\u0161en\u00fdm bal\u00ed\u010dkem proti opot\u0159eben\u00ed se p\u0159edepisuj\u00ed, kdy\u017e v\u00e1lcovna zpracov\u00e1v\u00e1 vysokopevnostn\u00ed oceli (kter\u00e9 generuj\u00ed vy\u0161\u0161\u00ed r\u00e1zov\u00e9 \u0161pi\u010dky p\u0159i z\u00e1b\u011bru). D\u016fle\u017eit\u00e1 je regulace teploty oleje \u2013 teplota oleje mus\u00ed b\u00fdt u filtru a \u010derpadla nad 30\u201335 \u00b0C, aby se udr\u017eel dostate\u010dn\u00fd pr\u016ftok, ale pod 55\u201360 \u00b0C v oblasti z\u00e1b\u011bru ozuben\u00e9ho kola, aby se udr\u017eela dostate\u010dn\u00e1 tlou\u0161\u0165ka filmu EHL.<\/p>\n<\/div>\n

\n

Popt\u00e1vka po stojanu pastorku v\u00e1lcovac\u00ed stolice a sad\u011b \u0161ikm\u00fdch ozuben\u00fdch kol<\/h2>\n

Uve\u010fte typ v\u00e1lcovac\u00edho v\u00e1lce, modul, rychlost v\u00e1lcov\u00e1n\u00ed, v\u00e1lcovac\u00ed moment a zn\u00e1m\u00e9 \u00fadaje o r\u00e1zov\u00e9m zat\u00ed\u017een\u00ed. Korea Ever-Power vypo\u010d\u00edt\u00e1 efektivn\u00ed servisn\u00ed faktor, potvrd\u00ed materi\u00e1l a tepeln\u00e9 zpracov\u00e1n\u00ed a dod\u00e1 kompletn\u00ed p\u00e1rovanou sadu s dokumentac\u00ed analyz\u00e1toru ozuben\u00fdch kol a certifik\u00e1tem o shod\u011b.<\/p>\n

Popt\u00e1vka ohledn\u011b p\u0159evodovky s pastorkem<\/a>
\nProduktov\u00e1 \u0159ada \u0161ikm\u00fdch ozuben\u00fdch kol<\/a><\/div>\n

M16\u2013M50 \u00b7 P\u00e1rovan\u00e1 sada (3 nebo 4 p\u0159evody) \u00b7 42CrMo4 induk\u010dn\u00ed \u00b7 17CrNiMo6 cementovan\u00e9 \u00b7 Tlumi\u010d z\u00e1b\u011bru KA_eff \u00b7 Oloven\u00e9 korunky \u00b7 Minim\u00e1ln\u00ed objedn\u00e1vac\u00ed mno\u017estv\u00ed 1 sada<\/p>\n<\/div>\n

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

\u0160roubovit\u00e9 ozuben\u00ed ve v\u00e1lcovn\u00e1ch oceli Stolice pastork\u016f \u2013 r\u00e1zov\u00fd z\u00e1b\u011br, lo\u017eiska olejov\u00e9ho filmu a konstrukce s velk\u00fdmi moduly Stolice pastork\u016f je konstruk\u010dn\u011b nejn\u00e1ro\u010dn\u011bj\u0161\u00ed aplikac\u00ed spir\u00e1lov\u00e9ho ozuben\u00e9ho kola v ocel\u00e1\u0159sk\u00e9m pr\u016fmyslu \u2013 ne proto, \u017ee by p\u0159en\u00e1\u0161ela nejvy\u0161\u0161\u00ed trval\u00fd to\u010div\u00fd moment, ale proto, \u017ee r\u00e1zov\u00fd z\u00e1b\u011br, kter\u00fd vznik\u00e1 p\u0159i vstupu hork\u00e9ho ocelov\u00e9ho bloku do [\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-2402","post","type-post","status-publish","format-standard","hentry","category-helical-gears"],"_links":{"self":[{"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/posts\/2402","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=2402"}],"version-history":[{"count":2,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/posts\/2402\/revisions"}],"predecessor-version":[{"id":2404,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/posts\/2402\/revisions\/2404"}],"wp:attachment":[{"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/media?parent=2402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/categories?post=2402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helicalcutgears.top\/cs\/wp-json\/wp\/v2\/tags?post=2402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}