{"id":1250,"date":"2026-04-27T06:15:19","date_gmt":"2026-04-27T06:15:19","guid":{"rendered":"https:\/\/worm-and-worm-wheel.com\/?p=1250"},"modified":"2026-04-27T06:15:19","modified_gmt":"2026-04-27T06:15:19","slug":"worm-gear-lubrication-choosing-the-right-oil-for-bronze-wheels","status":"publish","type":"post","link":"https:\/\/worm-and-worm-wheel.com\/cs\/worm-gear-lubrication-choosing-the-right-oil-for-bronze-wheels\/","title":{"rendered":"Maz\u00e1n\u00ed \u0161nekov\u00fdch p\u0159evod\u016f \u2013 v\u00fdb\u011br spr\u00e1vn\u00e9ho oleje pro bronzov\u00e1 kola"},"content":{"rendered":"
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Maz\u00e1n\u00ed \u0161nekov\u00fdch p\u0159evod\u016f \u2013 v\u00fdb\u011br spr\u00e1vn\u00e9ho oleje pro bronzov\u00e1 kola<\/h1>\n

P\u0159\u00edsady EP a \u017elut\u00fd kov koexistuj\u00ed obt\u00ed\u017en\u011b. Vyberte si \u0161patn\u00e9 chemick\u00e9 slo\u017een\u00ed oleje a bronzov\u00e9 kolov\u00e9 d\u00edry se v\u00e1m opot\u0159ebuj\u00ed za 2 000 hodin m\u00edsto 30 000. Zde je n\u00e1vod, jak to ud\u011blat spr\u00e1vn\u011b.<\/p>\n

Promluvte si s in\u017een\u00fdrem \u2192<\/a><\/p>\n<\/div>\n

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Rychl\u00e1 odpov\u011b\u010f<\/div>\n

Pro standardn\u00ed pr\u016fmyslov\u00fd p\u00e1r \u0161neku a \u0161nekov\u00e9ho kola pracuj\u00edc\u00ed p\u0159i teplot\u011b olejov\u00e9 vany pod 70 stup\u0148\u016f Celsia je bezpe\u010dnou v\u00fdchoz\u00ed volbou sm\u011bs miner\u00e1ln\u00edho oleje ISO VG 460 nebo 680 s p\u0159\u00edsadami bezpe\u010dn\u00fdmi pro \u017elut\u00e9 kovy. Nad 70 stup\u0148\u016f Celsia p\u0159ejd\u011bte na syntetick\u00fd olej PAO se stejnou viskozitn\u00ed t\u0159\u00eddou. Pro vysoce \u00fa\u010dinn\u00fd nep\u0159etr\u017eit\u00fd provoz polyglykol (PAG) o jednu t\u0159\u00eddu ISO ni\u017e\u0161\u00ed (VG 320 nebo 460) znateln\u011b sni\u017euje tvorbu tepla \u2013 PAG je v\u0161ak nekompatibiln\u00ed s miner\u00e1ln\u00edm olejem a PAO, tak\u017ee v\u00fdm\u011bna vy\u017eaduje kompletn\u00ed vypu\u0161t\u011bn\u00ed oleje a propl\u00e1chnut\u00ed. Nejdra\u017e\u0161\u00ed chybou p\u0159i maz\u00e1n\u00ed je pou\u017eit\u00ed hypoidn\u00edho oleje GL-5 nebo generick\u00e9ho diferenci\u00e1ln\u00edho oleje na bronzov\u00e9m kole \u2013 sirno-fosforov\u00e9 EP p\u0159\u00edsady koroduj\u00ed \u017elut\u00e9 kovy nad 70 stupni Celsia a ni\u010d\u00ed \u0161nekov\u00e9 kolo b\u011bhem n\u011bkolika t\u00fddn\u016f.<\/p>\n<\/div>\n

\u00dast\u0159edn\u00ed konflikt: EP aditiva versus \u017elut\u00fd kov<\/h2>\n

T\u00e9m\u011b\u0159 ka\u017ed\u00fd jin\u00fd typ \u010dl\u00e1nku o p\u0159evodov\u00e9m oleji uv\u00e1d\u00ed tabulky viskozity na za\u010d\u00e1tku a chemii aditiv pova\u017euj\u00ed za druho\u0159adou. U \u0161nek\u016f a p\u00e1r\u016f \u0161nekov\u00fdch kol je toto po\u0159ad\u00ed nespr\u00e1vn\u00e9. Jedin\u00fdm rozhodnut\u00edm, kter\u00e9 p\u0159i nedbal\u00e9m proveden\u00ed zp\u016fsob\u00ed nejv\u011bt\u0161\u00ed \u0161kodu, je bal\u00ed\u010dek aditiv, nikoli viskozitn\u00ed stupe\u0148. Pokud pou\u017eijete spr\u00e1vn\u00e9 aditiva, t\u00e9m\u011b\u0159 jak\u00e1koli rozumn\u00e1 viskozita zajist\u00ed p\u0159ijatelnou \u017eivotnost. Pokud pou\u017eijete \u0161patn\u00e9 aditiva, i dokonale zvolen\u00e1 viskozita zni\u010d\u00ed bronzov\u00e9 kolo b\u011bhem n\u011bkolika m\u011bs\u00edc\u016f.<\/p>\n

Konflikt je p\u0159\u00edmo\u010dar\u00fd. Kluzn\u00fd kontakt mezi \u0161nekem a kolem vy\u017eaduje extr\u00e9mn\u011b tlakov\u00e9 p\u0159\u00edsady \u2013 chemicky aktivn\u00ed slou\u010deniny, kter\u00e9 p\u0159i vysok\u00e9m kontaktn\u00edm nap\u011bt\u00ed vytv\u00e1\u0159ej\u00ed na kovov\u00e9m povrchu ochrann\u00fd film. Klasick\u00e1 EP chemie pou\u017e\u00edv\u00e1 slou\u010deniny s\u00edry a fosforu, kter\u00e9 se aktivuj\u00ed p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch. U ocelov\u00e9ho ozuben\u00e9ho kola (v\u011bt\u0161ina automobilov\u00fdch diferenci\u00e1l\u016f, hypoidn\u00ed pohony n\u00e1prav) funguj\u00ed tyto p\u0159\u00edsady perfektn\u011b. U p\u00e1ru ocelov\u00e9ho \u0161neku na bronzov\u00e9m kole \u2013 co\u017e je standardn\u00ed pr\u016fmyslov\u00e1 konfigurace \u2013 aktivovan\u00e1 s\u00edra napad\u00e1 m\u011b\u010f v bronzu, co\u017e zp\u016fsobuje zmatn\u011bn\u00ed, mikro-d\u016flky a nakonec \u00fabytek kovu na povrchu. Kolo se dramaticky nezad\u00edv\u00e1; pomalu koroduje od kontaktn\u00ed plochy dovnit\u0159, ztr\u00e1c\u00ed profil zubu a p\u0159esnost, dokud se pohon nestane nepou\u017eiteln\u00fdm.<\/p>\n

Konflikt je skute\u010dn\u00fd, n\u00e1sledky jsou drah\u00e9 a vyhnout se mu je jednoduch\u00e9 \u2013 vyb\u00edrejte oleje s v\u00fdslovn\u00fdm ozna\u010den\u00edm \u201ebezpe\u010dn\u00fd pro \u017elut\u00e9 kovy\u201c nebo \u201esm\u011bs pro \u0161nekov\u00e9 p\u0159evody\u201c nebo \u201ebal\u00ed\u010dek aditiv s deaktivovanou s\u00edrou EP\u201c. Modern\u00ed slo\u017een\u00ed od hlavn\u00edch dodavatel\u016f probl\u00e9m \u0159e\u0161\u00ed; generick\u00e9 katalogov\u00e9 p\u0159evodov\u00e9 oleje mohou, ale nemus\u00ed. P\u0159ed napln\u011bn\u00edm oleje si v\u017edy zkontrolujte technick\u00fd list.<\/p>\n

T\u0159i chemick\u00e1 slo\u017een\u00ed oleje, kter\u00e1 jsou vhodn\u00e1 pro \u0161nekov\u00e9 p\u0159evody<\/h2>\n
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V tis\u00edc\u00edch instalac\u00ed \u0161nek\u016f a \u0161nekov\u00fdch kol se pro t\u00e9m\u011b\u0159 v\u0161echny \u00fasp\u011b\u0161n\u00e9 aplikace pou\u017e\u00edvaj\u00ed t\u0159i chemick\u00e9 slo\u017een\u00ed maziva. Ka\u017ed\u00e9 z nich m\u00e1 sv\u00e9 siln\u00e9 a slab\u00e9 str\u00e1nky a specifick\u00e9 provozn\u00ed okno, ve kter\u00e9m je spr\u00e1vnou odpov\u011bd\u00ed.<\/p>\n

Jakmile je aplikace definov\u00e1na, v\u00fdb\u011br je z\u0159\u00eddka nen\u00e1padn\u00fd. Miner\u00e1ln\u00ed sm\u011bsn\u00fd olej pro b\u011b\u017en\u00fd pr\u016fmyslov\u00fd provoz pod 70 stup\u0148\u016f Celsia. Syntetick\u00fd PAO pro vy\u0161\u0161\u00ed teploty nebo prodlou\u017een\u00e9 intervaly v\u00fdm\u011bny. PAG (polyglykol) pro maxim\u00e1ln\u00ed \u00fa\u010dinnost p\u0159i vysoce zat\u00ed\u017een\u00fdch nep\u0159etr\u017eit\u00fdch aplikac\u00edch. V kategori\u00edch m\u00edch\u00e1n\u00ed doch\u00e1z\u00ed k v\u011bt\u0161in\u011b nehod p\u0159i \u00fadr\u017eb\u011b.<\/p>\n<\/div>\n

\"\"<\/div>\n<\/div>\n

Sm\u011bs miner\u00e1ln\u00edch olej\u016f \u2013 pr\u016fmyslov\u00fd standard<\/h3>\n

Miner\u00e1ln\u00ed z\u00e1kladov\u00fd olej s 4 a\u017e 10 procenty mastn\u00fdch kyselin (bezkyselinov\u00fd loj nebo syntetick\u00fd ekvivalent) p\u0159im\u00edchan\u00fdch jako slo\u017eky, plus inhibitory koroze a oxidace. Slo\u017eka mastn\u00fdch kyselin zaji\u0161\u0165uje mezn\u00ed maz\u00e1n\u00ed p\u0159\u00edmo bez nutnosti pou\u017eit\u00ed chemicky aktivn\u00edch EP aditiv, co\u017e zcela eliminuje riziko koroze \u017elut\u00e9ho kovu. Sm\u011bsov\u00e9 miner\u00e1ln\u00ed oleje jsou p\u016fvodn\u00edm mazivem pro \u0161nekov\u00e9 p\u0159evody \u2013 jejich slo\u017een\u00ed se zdokonaluje ji\u017e v\u00edce ne\u017e stolet\u00ed.<\/p>\n

Provozn\u00ed rozmez\u00ed: okoln\u00ed teploty zhruba do m\u00ednus 5 stup\u0148\u016f Celsia, teplota olejov\u00e9 vany a\u017e do 80 stup\u0148\u016f Celsia. Nad 80 stupni za\u010d\u00edn\u00e1 mastn\u00e1 kyselina oxidovat a mazivo degraduje rychleji, ne\u017e je mo\u017en\u00e9 dodr\u017eet doporu\u010den\u00fd interval v\u00fdm\u011bny. Pod bodem mrazu je olej p\u0159\u00edli\u0161 visk\u00f3zn\u00ed na to, aby se p\u0159i startov\u00e1n\u00ed \u0159\u00e1dn\u011b rozst\u0159ikoval. Interval v\u00fdm\u011bny je obvykle 4 000 a\u017e 6 000 hodin provozu v b\u011b\u017en\u00e9m pr\u016fmyslov\u00e9m provozu. N\u00e1klady jsou ze t\u0159\u00ed kategori\u00ed nejni\u017e\u0161\u00ed \u2013 sm\u011bs miner\u00e1ln\u00edho oleje ISO VG 460 stoj\u00ed zhruba polovinu ceny syntetick\u00e9ho oleje ekvivalentn\u00ed kvality.<\/p>\n

Syntetick\u00fd PAO \u2013 pro vy\u0161\u0161\u00ed teploty a prodlou\u017een\u00e9 intervaly v\u00fdm\u011bny<\/h3>\n

Polyalfaolefinov\u00fd z\u00e1kladov\u00fd olej \u2013 syntetick\u00fd uhlovod\u00edk \u2013 s m\u00edrn\u011bj\u0161\u00edmi modern\u00edmi EP aditivy, kter\u00e9 jsou ve sv\u00fdch komer\u010dn\u00edch formulac\u00edch obvykle bezpe\u010dn\u00e9 pro \u017elut\u00e9 kovy. PAO m\u00e1 vy\u0161\u0161\u00ed index viskozity ne\u017e miner\u00e1ln\u00ed olej, co\u017e znamen\u00e1, \u017ee viskozita se v rozsahu provozn\u00edch teplot m\u011bn\u00ed m\u00e9n\u011b. M\u00e1 tak\u00e9 lep\u0161\u00ed tepelnou stabilitu \u2013 intervaly v\u00fdm\u011bny p\u0159i stejn\u00e9 teplot\u011b oleje v olejov\u00e9 van\u011b jsou obvykle dvakr\u00e1t del\u0161\u00ed ne\u017e u miner\u00e1ln\u00edho oleje.<\/p>\n

Provozn\u00ed rozmez\u00ed: okoln\u00ed teplota a\u017e do minus 30 stup\u0148\u016f Celsia, teplota olejov\u00e9 vany a\u017e do 100 a\u017e 110 stup\u0148\u016f Celsia. Interval v\u00fdm\u011bny 8 000 a\u017e 12 000 hodin. PAO je pln\u011b kompatibiln\u00ed s miner\u00e1ln\u00edm olejem \u2013 p\u0159echod z miner\u00e1ln\u00edho na PAO nevy\u017eaduje proplachov\u00e1n\u00ed, pouze dopln\u011bn\u00ed p\u0159i dal\u0161\u00ed v\u00fdm\u011bn\u011b. Cena je zhruba 2 a\u017e 3kr\u00e1t vy\u0161\u0161\u00ed ne\u017e u miner\u00e1ln\u00edho oleje na litr. PAO je spr\u00e1vnou volbou, kdy\u017e teplota olejov\u00e9 vany b\u011bhem norm\u00e1ln\u00edho provozu p\u0159es\u00e1hne 70 stup\u0148\u016f Celsia, kdy\u017e extr\u00e9mn\u00ed okoln\u00ed podm\u00ednky (chladn\u00e9 zimn\u00ed za\u010d\u00e1tky, hork\u00e1 letn\u00ed odpoledne) zp\u016fsobuj\u00ed zm\u011bny viskozity nebo kdy\u017e se prodlou\u017een\u00ed intervalu v\u00fdm\u011bny vyplat\u00ed d\u00edky sn\u00ed\u017een\u00fdm n\u00e1klad\u016fm na pr\u00e1ci.<\/p>\n

PAG polyglykol \u2013 pro maxim\u00e1ln\u00ed \u00fa\u010dinnost<\/h3>\n

Polyalkylenglykol \u2013 jin\u00e1 skupina syntetick\u00fdch chemick\u00fdch l\u00e1tek, kter\u00e1 v podstat\u011b nen\u00ed uhlovod\u00edkem. PAG m\u00e1 nejni\u017e\u0161\u00ed koeficient t\u0159en\u00ed ze v\u0161ech b\u011b\u017en\u00fdch chemick\u00fdch l\u00e1tek p\u0159evodov\u00fdch olej\u016f, co\u017e se p\u0159\u00edmo prom\u00edt\u00e1 do m\u011b\u0159iteln\u00e9ho zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti \u0161nek\u016f a \u0161nekov\u00fdch kol. Pohon, kter\u00fd b\u011b\u017e\u00ed s 60% \u00fa\u010dinnost\u00ed na miner\u00e1ln\u00ed olej, obvykle z\u00edsk\u00e1 na PAG 3 a\u017e 6 procentn\u00edch bod\u016f a provozn\u00ed teplota olejov\u00e9 vany klesne p\u0159i stejn\u00e9m zat\u00ed\u017een\u00ed o 15 a\u017e 20 stup\u0148\u016f Celsia. U aplikac\u00ed s nep\u0159etr\u017eit\u00fdm provozem na v\u00edce sm\u011bn se tyto zisky s\u010d\u00edtaj\u00ed a vedou k v\u00fdznamn\u00fdm \u00faspor\u00e1m elekt\u0159iny.<\/p>\n

Provozn\u00ed rozmez\u00ed: okoln\u00ed teplota a\u017e do minus 40 stup\u0148\u016f Celsia, teplota olejov\u00e9 vany a\u017e do 130 stup\u0148\u016f Celsia. Interval v\u00fdm\u011bny oleje 16 000 a\u017e 20 000 hodin \u2013 nejdel\u0161\u00ed ze t\u0159\u00ed kategori\u00ed. H\u00e1\u010dek: PAG je nekompatibiln\u00ed s miner\u00e1ln\u00edm olejem a syntetick\u00fdm PAO.<\/strong>Jejich sm\u00edch\u00e1n\u00edm vznik\u00e1 kal, kter\u00fd ucp\u00e1v\u00e1 vnit\u0159ek p\u0159evodovky. P\u0159echod z oleje na b\u00e1zi uhlovod\u00edk\u016f na PAG vy\u017eaduje \u00fapln\u00e9 vypu\u0161t\u011bn\u00ed oleje, dvoj\u00ed propl\u00e1chnut\u00ed lehk\u00fdm olejem a dopln\u011bn\u00ed \u2013 obvykle se jedn\u00e1 o jednodenn\u00ed \u00fadr\u017ebu u ut\u011bsn\u011bn\u00e9 p\u0159evodovky. PAG tak\u00e9 napad\u00e1 n\u011bkter\u00e9 t\u011bsnic\u00ed materi\u00e1ly (nitril, n\u011bkter\u00e9 polyuretany) a v\u011bt\u0161inu n\u00e1t\u011br\u016f, tak\u017ee t\u011bsn\u011bn\u00ed p\u0159evodovky mus\u00ed b\u00fdt p\u0159ed p\u0159echodem kompatibiln\u00ed s PAG. Cena je zhruba 4 a\u017e 6kr\u00e1t vy\u0161\u0161\u00ed ne\u017e u miner\u00e1ln\u00edho oleje na litr.<\/p>\n

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Pozn\u00e1mka k in\u017een\u00fdrsk\u00e9mu stolu<\/div>\n

Kdy\u017e mi z\u00e1kazn\u00edk \u0159ekne, \u017ee chce p\u0159ej\u00edt z miner\u00e1ln\u00edho oleje na PAG, prvn\u00ed ot\u00e1zka, kterou si kladu, je, zda m\u00e1 dostate\u010dnou discipl\u00ednu v oblasti \u00fadr\u017eby, aby to provedl spr\u00e1vn\u011b. PAG m\u016f\u017ee dramaticky prodlou\u017eit intervaly v\u00fdm\u011bny oleje a m\u011b\u0159iteln\u011b sn\u00ed\u017eit \u00fa\u010dty za elekt\u0159inu \u2013 ale pouze pokud se p\u0159estavba provede s \u00faplnou v\u00fdpust\u00ed a dvojit\u00fdm propl\u00e1chnut\u00edm. U p\u0159evodovek s polovi\u010dn\u00ed p\u0159estavbou (n\u011bkdo dolil PAG do j\u00edmky, kter\u00e1 st\u00e1le obsahovala n\u011bkolik litr\u016f zbytkov\u00e9ho miner\u00e1lu) se b\u011bhem n\u011bkolika t\u00fddn\u016f vytvo\u0159\u00ed kal a cel\u00e1 n\u00e1pl\u0148 se mus\u00ed p\u0159epracovat. V prost\u0159ed\u00ed s n\u00edzkou discipl\u00ednou \u00fadr\u017eby je \u010dasto moud\u0159ej\u0161\u00ed volbou z\u016fstat u PAO, i kdy\u017e to stoj\u00ed v\u00edce jen za mazivo \u2013 provozn\u00ed riziko kontaminace je v\u00fdrazn\u011b ni\u017e\u0161\u00ed.<\/p>\n<\/div>\n

V\u00fdb\u011br viskozity \u2013 k\u0159\u00ed\u017eov\u00fd odkaz na normy ISO VG a AGMA<\/h2>\n
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Jakmile je ur\u010deno chemick\u00e9 slo\u017een\u00ed, je viskozita druh\u00fdm d\u016fle\u017eit\u00fdm faktorem. Viskozity \u0161nekov\u00fdch p\u0159evod\u016f jsou vy\u0161\u0161\u00ed ne\u017e u v\u011bt\u0161iny ostatn\u00edch p\u0159evodov\u00fdch olej\u016f, proto\u017ee kluzn\u00fd kontakt vy\u017eaduje siln\u011bj\u0161\u00ed hydrodynamick\u00fd film ne\u017e valiv\u00fd kontakt.<\/p>\n

ISO VG 460 a 680 jsou tahouny pro pr\u016fmyslov\u00e9 p\u00e1ry \u0161nek\u016f a \u0161nekov\u00fdch kol. ISO VG 220 se pou\u017e\u00edv\u00e1 v n\u00edzkozat\u00ed\u017een\u00fdch lehk\u00fdch pohonech. ISO VG 1000 (nebo sm\u011bs AGMA 8A) se pou\u017e\u00edv\u00e1 ve vysoce zat\u00ed\u017een\u00fdch pr\u016fmyslov\u00fdch reduktorech s velkou osovou vzd\u00e1lenost\u00ed, kter\u00e9 pracuj\u00ed p\u0159i n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch.<\/p>\n<\/div>\n

\"\"<\/div>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n
ISO VG<\/th>\nT\u0159\u00edda AGMA<\/th>\nP\u0159ibli\u017en\u00e1 kinematick\u00e1 viskozita p\u0159i 40 \u00b0C<\/th>\nTypick\u00e9 pou\u017eit\u00ed \u0161nekov\u00e9ho pohonu<\/th>\n<\/tr>\n<\/thead>\n
VG 220<\/strong><\/td>\nAGMA 5<\/td>\n220 cSt<\/td>\nLehk\u00e9, mal\u00e9 m\u011bni\u010de, n\u00edzk\u00e9 okoln\u00ed teploty<\/td>\n<\/tr>\n
VG 320<\/strong><\/td>\nAGMA 6<\/td>\n320 cSt<\/td>\nSt\u0159edn\u00ed zat\u00ed\u017een\u00ed, PAG standardn\u011b<\/td>\n<\/tr>\n
VG 460<\/strong><\/td>\nAGMA 7<\/td>\n460 cSt<\/td>\nV\u0161eobecn\u00e9 pr\u016fmyslov\u00e9, v\u00fdchoz\u00ed nastaven\u00ed pro miner\u00e1ln\u00ed sm\u011bsi<\/td>\n<\/tr>\n
VG 680<\/strong><\/td>\nAGMA 8<\/td>\n680 cSt<\/td>\nT\u011b\u017ek\u00fd pr\u016fmysl, hork\u00e9 prost\u0159ed\u00ed, vysok\u00e9 zat\u00ed\u017een\u00ed<\/td>\n<\/tr>\n
VG 1000<\/strong><\/td>\nAGMA 8A<\/td>\n1000 cSt<\/td>\nVelmi velk\u00e9 pohony, n\u00edzk\u00e9 ot\u00e1\u010dky, t\u011b\u017ek\u00fd provoz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

V\u011bt\u0161inu rozhodnut\u00ed o viskozit\u011b plat\u00ed pro dv\u011b praktick\u00e1 pravidla. Zaprv\u00e9, p\u0159i p\u0159echodu z miner\u00e1ln\u00edho oleje na syntetick\u00fd s vy\u0161\u0161\u00edm indexem viskozity sni\u017ete stupe\u0148 ISO o jednu t\u0159\u00eddu \u2013 miner\u00e1ln\u00ed VG 680 m\u00e1 zhruba ekvivalentn\u00ed viskozitu p\u0159i provozn\u00ed teplot\u011b jako PAO VG 460 nebo PAG VG 320. Zadruh\u00e9, p\u0159i vy\u0161\u0161\u00ed okoln\u00ed teplot\u011b a vy\u0161\u0161\u00edm zat\u00ed\u017een\u00ed se p\u0159ikl\u00e1n\u011bjte k vy\u0161\u0161\u00ed viskozit\u011b, pro studen\u00fd start a vysokorychlostn\u00ed pohony k ni\u017e\u0161\u00ed viskozit\u011b. Rozd\u011blen\u00ed rozd\u00edlu (za\u010dn\u011bte s miner\u00e1ln\u00edm VG 460 pro t\u00e9m\u011b\u0159 jak\u00fdkoli b\u011b\u017en\u00fd pr\u016fmyslov\u00fd pohon) je v po\u0159\u00e1dku pro prvn\u00ed n\u00e1pl\u0148 \u2013 upravte na z\u00e1klad\u011b pozorovan\u00e9 teploty vany a stavu oleje p\u0159i prvn\u00ed v\u00fdm\u011bn\u011b.<\/p>\n

Rozhodovac\u00ed strom \u0159\u00edzen\u00fd teplotou<\/h2>\n

\"\"<\/p>\n

Teplota okol\u00ed a teplota j\u00edmky jsou dv\u011b prom\u011bnn\u00e9, kter\u00e9 ovliv\u0148uj\u00ed rozhodnut\u00ed o chemick\u00e9m slo\u017een\u00ed v\u00edce ne\u017e kter\u00e9koli jin\u00e9. Jednoduch\u00fd rozhodovac\u00ed strom rozhoduje o volb\u011b ve t\u0159ech ot\u00e1zk\u00e1ch.<\/p>\n

\n

Ot\u00e1zka 1: Jak\u00e1 je ust\u00e1len\u00e1 teplota j\u00edmky p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed?<\/p>\n

Pod 70 stup\u0148\u016f Celsia \u2192 je v po\u0159\u00e1dku sm\u011bs miner\u00e1ln\u00edho oleje. Mezi 70 a 90 stupni \u2192 p\u0159ejd\u011bte na syntetick\u00fd PAO. Nad 90 stup\u0148\u016f \u2192 je nutn\u00e9 pou\u017e\u00edt polyglykol PAG nebo dodate\u010dn\u00e9 chlazen\u00ed.<\/p>\n

Ot\u00e1zka 2: Kolik hodin denn\u011b b\u011b\u017e\u00ed pohon?<\/p>\n

M\u00e9n\u011b ne\u017e 8 hodin p\u0159eru\u0161ovan\u011b \u2192 miner\u00e1ln\u00ed sm\u011bs to ekonomicky pokryje. 8 a\u017e 16 hodin denn\u011b \u2192 PAO, pokud je j\u00edmka tepl\u00e1, miner\u00e1ln\u00ed, pokud z\u016fst\u00e1v\u00e1 studen\u00e1. 16 hodin nebo v\u00edce nep\u0159etr\u017eit\u011b \u2192 PAG se u v\u011bt\u0161iny instalac\u00ed vr\u00e1t\u00ed \u00fasporou elekt\u0159iny do 18 m\u011bs\u00edc\u016f.<\/p>\n

Ot\u00e1zka 3: Bude teplota olejov\u00e9 vany kol\u00edsat mezi studen\u00fdm startem a pln\u00fdm provozem o v\u00edce ne\u017e 60 stup\u0148\u016f Celsia?<\/p>\n

Ano (venkovn\u00ed instalace, nevyt\u00e1p\u011bn\u00e9 provozy, zimn\u00ed starty) \u2192 syntetick\u00fd olej je siln\u011b preferov\u00e1n pro vy\u0161\u0161\u00ed viskozitn\u00ed index. PAO je bezpe\u010dn\u00e1 volba. PAG je je\u0161t\u011b lep\u0161\u00ed, ale vyplat\u00ed se pouze tehdy, pokud nep\u0159etr\u017eit\u00fd provoz ospravedl\u0148uje n\u00e1klady.<\/p>\n<\/div>\n

T\u0159i skute\u010dn\u00e9 p\u0159\u00edpady selh\u00e1n\u00ed maz\u00e1n\u00ed<\/h2>\n
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\"\"<\/div>\n
\n

V ter\u00e9nn\u00edch hl\u00e1\u0161en\u00edch, kter\u00e1 dost\u00e1v\u00e1me od z\u00e1kazn\u00edk\u016f \u017e\u00e1daj\u00edc\u00edch o n\u00e1hradn\u00ed komponenty, se opakovan\u011b objevuj\u00ed t\u0159i re\u017eimy selh\u00e1n\u00ed. Ka\u017ed\u00e9mu z nich lze p\u0159edej\u00edt, ka\u017ed\u00fd je drah\u00fd a ka\u017ed\u00fd byl zp\u016fsoben rozhodnut\u00edm o \u00fadr\u017eb\u011b, kter\u00e9 p\u0159ehl\u00e9dlo jednu ze z\u00e1sad popsan\u00fdch ve v\u00fd\u0161e uveden\u00fdch \u010d\u00e1stech. Pochopen\u00ed t\u011bchto vzorc\u016f pom\u00e1h\u00e1 vyhnout se jim na va\u0161em vlastn\u00edm za\u0159\u00edzen\u00ed.<\/p>\n<\/div>\n<\/div>\n

P\u0159\u00edpad 1 \u2013 Diferenci\u00e1ln\u00ed olej GL-5 v bronzov\u00e9m \u0161nekov\u00e9m kole<\/h3>\n

Mal\u00fd vietnamsk\u00fd v\u00fdrobce dopravn\u00edk\u016f doplnil olej do p\u0159evodov\u00fdch van sv\u00e9 mont\u00e1\u017en\u00ed linky hypoidn\u00ed n\u00e1pravov\u00fd olej API GL-5 \u2013 se stejnou viskozitn\u00ed t\u0159\u00eddou ISO jako p\u016fvodn\u00ed specifikace, mnohem levn\u011bj\u0161\u00ed na litr, kter\u00fd le\u017eel na servisn\u00ed polici, proto\u017ee stejn\u00e1 d\u00edlna servisovala i n\u00e1kladn\u00ed automobily. B\u011bhem t\u0159\u00ed m\u011bs\u00edc\u016f se na bronzov\u00fdch kolech objevilo povrchov\u00e9 zbarven\u00ed viditeln\u00e9 kontroln\u00edm otvorem. Do \u0161est\u00e9ho m\u011bs\u00edce bylo koroze bok\u016f zub\u016f natolik z\u00e1va\u017en\u00e1, \u017ee \u00fa\u010dinnost pohonu klesla o 8 procent a provozn\u00ed hluk se sly\u0161iteln\u011b zv\u00fd\u0161il. Diagn\u00f3za: GL-5 obsahuje agresivn\u00ed sirno-fosforov\u00e9 EP p\u0159\u00edsady, kter\u00e9 se aktivuj\u00ed nad 70 stupni Celsia, a bronzov\u00e1 kola b\u011b\u017eela p\u0159i teplot\u011b 75 a\u017e 80 stup\u0148\u016f Celsia. Aktivn\u00ed s\u00edra napadala m\u011b\u010f, produkovala \u010dern\u00e9 vlo\u010dky sirn\u00edku m\u011b\u010fnat\u00e9ho a korodovala povrch zub\u016f kola od kontaktn\u00ed z\u00f3ny sm\u011brem ven. \u0158e\u0161en\u00ed: vypustit olej, propl\u00e1chnout lehk\u00fdm miner\u00e1ln\u00edm olejem, doplnit spr\u00e1vnou sm\u011bs\u00ed p\u0159evodov\u00e9ho oleje ISO VG 460, bezpe\u010dn\u00e9ho pro \u017elut\u00e9 kovy. Kola bylo nutn\u00e9 vym\u011bnit; \u00faspora na levn\u00e9m diferenci\u00e1lov\u00e9m oleji st\u00e1la z\u00e1kazn\u00edka patn\u00e1ctin\u00e1sobek p\u016fvodn\u00edch n\u00e1klad\u016f na v\u00fdm\u011bnu p\u0159evodovky v r\u00e1mci z\u00e1ru\u010dn\u00edch reklamac\u00ed.<\/p>\n

P\u0159\u00edpad 2 \u2013 Polokonvertovan\u00e1 v\u00fdpl\u0148 PAG<\/h3>\n

Korejsk\u00fd z\u00e1vod na balen\u00ed potravin se rozhodl p\u0159ej\u00edt z miner\u00e1ln\u00ed sm\u011bsi ISO VG 460 na PAG ISO VG 320, aby prodlou\u017eil intervaly v\u00fdm\u011bny oleje na sv\u00e9 lince provozovan\u00e9 na sm\u011bny. \u00dadr\u017eb\u00e1\u0159sk\u00fd t\u00fdm vypustil j\u00edmky, znovu naplnil PAG a spustil linku. B\u011bhem dvou t\u00fddn\u016f se v j\u00edmk\u00e1ch p\u0159evodovky objevil viditeln\u00fd kal \u2013 hn\u011bd\u00fd \u017eelatinov\u00fd n\u00e1nos plovouc\u00ed na povrchu PAG n\u00e1pln\u011b. \u00da\u010dinnost pohonu klesla, teplota j\u00edmky vzrostla o 15 stup\u0148\u016f nad o\u010dek\u00e1vanou hodnotu a jedno t\u011bsn\u011bn\u00ed p\u0159evodovky za\u010dalo prosakovat. Diagn\u00f3za: zbytkov\u00fd miner\u00e1ln\u00ed olej, kter\u00fd z\u016fstal v j\u00edmce po prvn\u00edm v\u00fdpustu (obvykle 5 a\u017e 10 procent objemu n\u00e1pln\u011b ulp\u00edv\u00e1 na vnit\u0159n\u00edch povr\u0161\u00edch a lo\u017eiskov\u00fdch kaps\u00e1ch), reagoval s PAG a vytvo\u0159il charakteristick\u00fd kal nekompatibility. P\u0159i p\u0159estavb\u011b se vynechal krok proplachov\u00e1n\u00ed. \u0158e\u0161en\u00ed: dokon\u010dete druh\u00e9 v\u00fdpustn\u00e9 mno\u017estv\u00ed, propl\u00e1chn\u011bte proplachovac\u00edm olejem kompatibiln\u00edm s PAG, dopl\u0148te \u010derstv\u00fd PAG, vym\u011b\u0148te po\u0161kozen\u00e1 t\u011bsn\u011bn\u00ed. Pou\u010den\u00ed: p\u0159echod z uhlovod\u00edku na PAG vy\u017eaduje v\u00fdpust \u2192 propl\u00e1chnut\u00ed \u2192 dopln\u011bn\u00ed, nikdy jen vypu\u0161t\u011bn\u00ed \u2192 dopln\u011bn\u00ed.<\/p>\n

P\u0159\u00edpad 3 \u2013 Nedostate\u010dn\u011b napln\u011bn\u00e1 vertik\u00e1ln\u011b montovan\u00e1 p\u0159evodovka<\/h3>\n

Japonsk\u00fd v\u00fdrobce m\u00edchadel zakoupil standardn\u00ed horizont\u00e1ln\u011b montovan\u00e9 \u0161nekov\u00e9 p\u0159evodovky a nainstaloval je na vertik\u00e1ln\u00ed h\u0159\u00eddele m\u00edchadel, ani\u017e by m\u011bnil hladinu oleje. Objem n\u00e1pln\u011b specifikovan\u00fd pro horizont\u00e1ln\u00ed mont\u00e1\u017e pono\u0159il \u0161nek zhruba na 30 procent jeho pr\u016fm\u011bru \u2013 co\u017e je vhodn\u00e9 pro maz\u00e1n\u00ed brod\u011bn\u00edm. P\u0159i oto\u010den\u00ed p\u0159evodovky o 90 stup\u0148\u016f stejn\u00fd objem n\u00e1pln\u011b ponechal \u0161nek p\u0159i spu\u0161t\u011bn\u00ed pono\u0159en\u00fd pouze na 5 procent. B\u011bhem prvn\u00edho m\u011bs\u00edce se na zubech kola objevily na jedn\u00e9 stran\u011b od\u011brky. Diagn\u00f3za: nedostate\u010dn\u00e9 pono\u0159en\u00ed oleje ve vertik\u00e1ln\u00ed orientaci znamenalo, \u017ee z\u00e1vit \u0161neku p\u0159i spu\u0161t\u011bn\u00ed nenas\u00e1l dostatek oleje k vytvo\u0159en\u00ed spr\u00e1vn\u00e9ho hydrodynamick\u00e9ho filmu. Pohon b\u011b\u017eel p\u0159i ka\u017ed\u00e9m studen\u00e9m startu v podm\u00ednk\u00e1ch mezn\u00edho maz\u00e1n\u00ed. \u0158e\u0161en\u00ed: dopl\u0148te hladinu oleje po zna\u010dku vertik\u00e1ln\u00ed mont\u00e1\u017ee specifikovanou dodavatelem a ov\u011b\u0159te, zda jsou odvzdu\u0161\u0148ovac\u00ed ventil a kontrolka hladiny oleje spr\u00e1vn\u011b um\u00edst\u011bny pro novou orientaci. Pou\u010den\u00ed: hladina oleje je stejn\u011b d\u016fle\u017eit\u00e1 jako chemie oleje a zm\u011bna mont\u00e1\u017en\u00ed orientace v\u017edy zm\u011bn\u00ed spr\u00e1vn\u00fd objem n\u00e1pln\u011b.<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\nOt\u00e1zka: Mohu v p\u0159\u00edpad\u011b nouze pou\u017e\u00edt motorov\u00fd nebo hydraulick\u00fd olej ve \u0161nekov\u00e9 p\u0159evodovce?<\/summary>\n

Pouze na co nejkrat\u0161\u00ed mo\u017enou dobu, aby se za\u0159\u00edzen\u00ed do\u010dasn\u011b odstavilo z d\u016fvodu \u00fadr\u017eby. Motorov\u00fd a hydraulick\u00fd olej postr\u00e1daj\u00ed viskozitu a p\u0159\u00edsady pro mezn\u00ed maz\u00e1n\u00ed pot\u0159ebn\u00e9 pro kluzn\u00e9 p\u0159evody. B\u011bh na kteroukoli z t\u011bchto kapalin po dobu del\u0161\u00ed ne\u017e n\u011bkolik hodin pod zat\u00ed\u017een\u00edm po\u0161kod\u00ed bronzov\u00e9 kolo. Pokud nen\u00ed v ter\u00e9nu k dispozici origin\u00e1ln\u00ed mazivo, je hydraulick\u00fd olej ISO VG 220 nebo vy\u0161\u0161\u00ed m\u00e9n\u011b \u0161kodliv\u00fd ne\u017e hydraulick\u00fd olej ISO VG 32. Neprodlu\u017eujte \u201enouzov\u00e9 pln\u011bn\u00ed\u201c po uplynut\u00ed dal\u0161\u00edho pl\u00e1novan\u00e9ho servisn\u00edho okna.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak zjist\u00edm, zda je m\u016fj olej bezpe\u010dn\u00fd pro \u017elut\u00e9 kovy?<\/summary>\n

Zkontrolujte v technick\u00e9m listu v\u00fdsledky korozn\u00edho testu m\u011bd\u011bn\u00e9ho p\u00e1sku ASTM D130. Hodnocen\u00ed 1A nebo 1B znamen\u00e1, \u017ee je bezpe\u010dn\u00fd pro \u017elut\u00fd kov a vhodn\u00fd pro bronzov\u00e1 \u0161nekov\u00e1 kola. Hodnocen\u00ed 2 nebo vy\u0161\u0161\u00ed je hrani\u010dn\u00ed. Hodnocen\u00ed 3 nebo 4 znamen\u00e1, \u017ee olej bude za norm\u00e1ln\u00edch provozn\u00edch teplot korodovat bronz a nem\u011bl by se pou\u017e\u00edvat. V\u011bt\u0161ina modern\u00edch pr\u016fmyslov\u00fdch olej\u016f pro \u0161nekov\u00e9 p\u0159evody v technick\u00e9m listu v\u00fdslovn\u011b uv\u00e1d\u00ed \u201e1B p\u0159i 121 \u00b0C\u201c nebo podobnou informaci \u2013 pokud technick\u00fd list neuv\u00e1d\u00ed kompatibilitu s m\u011bd\u00ed, pova\u017eujte olej za podez\u0159el\u00fd.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak\u00fd je rozd\u00edl mezi sm\u011bsn\u00fdm olejem a p\u0159evodov\u00fdm olejem s vysok\u00fdm v\u00fdkonem (EP)?<\/summary>\n

Sm\u011bsov\u00fd olej pou\u017e\u00edv\u00e1 mastn\u00e9 kyseliny (obvykle 4 a\u017e 10 procent bezkysel\u00e9ho loje nebo syntetick\u00e9ho ekvivalentu) sm\u00edchan\u00e9 s miner\u00e1ln\u00edm z\u00e1kladov\u00fdm olejem pro p\u0159\u00edm\u00e9 zaji\u0161t\u011bn\u00ed mazivosti. P\u0159evodov\u00fd olej s vysok\u00fdm v\u00fdkonem (EP) pou\u017e\u00edv\u00e1 chemicky aktivn\u00ed p\u0159\u00edsady (s\u00edru, fosfor, boritany), kter\u00e9 reaguj\u00ed s kovov\u00fdm povrchem pod vysok\u00fdm kontaktn\u00edm tlakem a vytv\u00e1\u0159ej\u00ed tak ochrann\u00fd film. Pro bronzov\u00e1 \u0161nekov\u00e1 kola je sm\u011bsov\u00fd olej ze sv\u00e9 podstaty bezpe\u010dn\u011bj\u0161\u00ed, proto\u017ee neobsahuje chemicky aktivn\u00ed p\u0159\u00edsadu, kter\u00e1 by mohla korodovat \u017elut\u00fd kov. Modern\u00ed p\u0159evodov\u00e9 oleje s vysok\u00fdm v\u00fdkonem s deaktivovanou s\u00edrou jsou tak\u00e9 bezpe\u010dn\u00e9, ale bezpe\u010dnost zcela z\u00e1vis\u00ed na slo\u017een\u00ed \u2013 sm\u011bsov\u00fd olej je konzervativn\u011bj\u0161\u00ed v\u00fdchoz\u00ed volbou.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak \u010dasto by se m\u011bl olej m\u011bnit?<\/summary>\n

Interval v\u00fdm\u011bny oleje z\u00e1vis\u00ed na chemick\u00e9m slo\u017een\u00ed, teplot\u011b olejov\u00e9 vany a pracovn\u00edm cyklu. Typick\u00e9 hodnoty: miner\u00e1ln\u00ed sm\u011bsn\u00fd olej 4 000 a\u017e 6 000 provozn\u00edch hodin, syntetick\u00fd olej PAO 8 000 a\u017e 12 000 hodin, polyglykolov\u00fd olej PAG 16 000 a\u017e 20 000 hodin. Teplota olejov\u00e9 vany nad 90 stup\u0148\u016f Celsia v\u0161echna tato \u010d\u00edsla sni\u017euje na polovinu (Arrheniovo pravidlo \u2013 chemick\u00e1 degradace se zhruba zdvojn\u00e1sobuje na ka\u017ed\u00fdch 10 stup\u0148\u016f Celsia). U kritick\u00fdch za\u0159\u00edzen\u00ed poskytuje anal\u00fdza oleje ka\u017ed\u00fdch 1 000 a\u017e 2 000 hodin p\u0159esn\u011bj\u0161\u00ed interval zalo\u017een\u00fd na stavu ne\u017e v\u00fdm\u011bna zalo\u017een\u00e1 na kalend\u00e1\u0159i.<\/p>\n<\/details>\n

\nOt\u00e1zka: Nahrazuje n\u011bkdy mazivo olej v \u0161nekov\u00e9 p\u0159evodovce?<\/summary>\n

V mal\u00fdch pohonech s trval\u00fdm t\u011bsn\u011bn\u00edm ano \u2013 v\u011bt\u0161ina pohon\u016f automobilov\u00fdch sedadel, \u010dasova\u010d\u016f dom\u00e1c\u00edch spot\u0159ebi\u010d\u016f a mal\u00fdch \u0161nekov\u00fdch p\u0159evodovek poh\u00e1n\u011bn\u00fdch stejnosm\u011brn\u00fdm motorem pou\u017e\u00edv\u00e1 po celou dobu \u017eivotnosti PAO mazivo zahu\u0161t\u011bn\u00e9 lithiov\u00fdm m\u00fddlem. Nev\u00fdhodou je, \u017ee mazivo nemigruje v p\u0159evodovce jako olej, tak\u017ee odvod tepla je \u0161patn\u00fd a nosnost ni\u017e\u0161\u00ed. Pro pr\u016fmyslov\u00e9 pohony nad 1 kW je olej spr\u00e1vnou odpov\u011bd\u00ed; pro mikropohony pod 50 W je mazivo obvykle vhodn\u011bj\u0161\u00ed pro jednoduchost t\u011bsn\u011bn\u00ed.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jsou maziva potravin\u00e1\u0159sk\u00e9 kvality kompatibiln\u00ed s bronzov\u00fdmi \u0161nekov\u00fdmi koly?<\/summary>\n

Maziva s certifikac\u00ed NSF H1 pro n\u00e1hodn\u00fd kontakt s potravinami se dod\u00e1vaj\u00ed ve form\u011b sm\u011bsn\u00fdch miner\u00e1ln\u00edch a syntetick\u00fdch verz\u00ed PAO, ob\u011b s formulac\u00ed bezpe\u010dnou pro \u017elut\u00e9 kovy. V\u00fdkonnost je ve srovn\u00e1n\u00ed s pr\u016fmyslov\u00fdmi ekvivalenty pon\u011bkud omezena, proto\u017ee v\u00fdb\u011br aditiv je omezen p\u0159edpisy FDA \u2013 oleje H1 maj\u00ed krat\u0161\u00ed intervaly v\u00fdm\u011bny a ni\u017e\u0161\u00ed nosnost ne\u017e ekvivalentn\u00ed pr\u016fmyslov\u00e9 t\u0159\u00eddy. Pro farmaceutick\u00e9 a potravin\u00e1\u0159sk\u00e9 aplikace s pou\u017eit\u00edm p\u00e1r\u016f \u0161nekov\u00fdch kol a nerezov\u00fdch spoj\u016f je tento kompromis p\u0159ijateln\u00fd; u bronzov\u00fdch p\u00e1r\u016f kol v regulovan\u00e9m prost\u0159ed\u00ed je obecn\u011b levn\u011bj\u0161\u00ed p\u0159ej\u00edt na nerezov\u00e9 komponenty a dos\u00e1hnout souladu s p\u0159edpisy bez sn\u00ed\u017een\u00ed \u00fa\u010dinnosti.<\/p>\n<\/details>\n

\nOt\u00e1zka: Jak\u00fd vliv m\u00e1 v\u00fdb\u011br oleje na kompletn\u00ed \u0161nekov\u00fd reduktor oproti hol\u00e9mu ozuben\u00e9mu kolu?<\/summary>\n

U hol\u00e9ho ozuben\u00e9ho kola instalovan\u00e9ho v pouzd\u0159e vyroben\u00e9m z\u00e1kazn\u00edkem si z\u00e1kazn\u00edk vol\u00ed a p\u0159id\u00e1v\u00e1 mazivo \u2013 a mus\u00ed n\u00e9st odpov\u011bdnost za kompatibilitu aditiv s bronzem. Pro kompletn\u00ed \u0161nekov\u00fd reduktor<\/a> Dod\u00e1v\u00e1 se s p\u0159edpln\u011bn\u00fdm olejem, dodavatel ji\u017e ve v\u00fdrob\u011b specifikoval a p\u0159idal spr\u00e1vn\u00fd olej a datov\u00fd list na jednotce by m\u011bl odpov\u00eddat mazivu uvnit\u0159. P\u0159i objedn\u00e1v\u00e1n\u00ed balen\u00e9ho reduktoru v\u017edy ov\u011b\u0159te, zda druh maziva na typov\u00e9m \u0161t\u00edtku odpov\u00edd\u00e1 specifikaci objedn\u00e1vky \u2013 b\u011bhem v\u00fdroby ob\u010das doch\u00e1z\u00ed k z\u00e1m\u011bn\u00e1m a \u00fadr\u017eb\u00e1\u0159sk\u00fd t\u00fdm pot\u0159ebuje pro p\u0159\u00ed\u0161t\u00ed v\u00fdm\u011bnu v\u011bd\u011bt, co je ve van\u011b skute\u010dn\u011b.<\/p>\n<\/details>\n<\/div>\n

Jedin\u00fdm poselstv\u00edm, kter\u00e9 si z tohoto \u010dl\u00e1nku odnesete, je d\u016fle\u017eitost aditivn\u00ed chemie oproti stupni viskozity. Dvojice \u0161neku a \u0161nekov\u00e9ho kola toleruje chybu viskozity o jeden stupe\u0148 a ztrat\u00ed pouze n\u011bkolik procent \u00fa\u010dinnosti. Stejn\u00fd pohon netoleruje nespr\u00e1vn\u00fd bal\u00ed\u010dek aditiv \u2013 jeho chybn\u00e9 pou\u017eit\u00ed zni\u010d\u00ed bronzov\u00e9 kolo m\u011b\u0159iteln\u011b rychleji ne\u017e jak\u00e1koli jin\u00e1 chyba \u00fadr\u017eby. V\u017edy pou\u017e\u00edvejte olej bezpe\u010dn\u00fd pro \u017elut\u00e9 kovy. P\u0159ed zm\u011bnou zna\u010dky si v\u017edy zkontrolujte datov\u00fd list. P\u0159ed p\u0159echodem mezi kategoriemi miner\u00e1ln\u00edch, PAO a PAG v\u017edy prove\u010fte \u00fapln\u00e9 vypu\u0161t\u011bn\u00ed a propl\u00e1chnut\u00ed oleje. A v\u017edy ov\u011b\u0159te, zda hladina napln\u011bn\u00ed vany odpov\u00edd\u00e1 skute\u010dn\u00e9 mont\u00e1\u017en\u00ed orientaci, nikoli v\u00fdchoz\u00ed hodnot\u011b v katalogu.<\/p>\n

Pro korejsk\u00e9 a japonsk\u00e9 konstruk\u010dn\u00ed t\u00fdmy v\u00fdrobc\u016f origin\u00e1ln\u00edho vybaven\u00ed (OEM), kter\u00e9 cht\u011bj\u00ed specifikaci maziva odpov\u00eddaj\u00edc\u00ed konkr\u00e9tn\u00ed geometrii pohonu a pracovn\u00edmu cyklu, na\u0161e technick\u00e9 odd\u011blen\u00ed doporu\u010duje chemii oleje, viskozitu a interval v\u00fdm\u011bny v z\u00e1vislosti na skute\u010dn\u00e9m provozn\u00edm profilu. Standardn\u00ed katalog \u0161nekov\u00e9 p\u0159evodovky z fosforov\u00e9ho bronzu a hlin\u00edkov\u00e9ho bronzu<\/a> dod\u00e1vejte s doporu\u010denou specifikac\u00ed n\u00e1pln\u011b \u2013 vy\u017e\u00e1dejte si p\u0159ezkoum\u00e1n\u00ed specifikace maz\u00e1n\u00ed<\/a> pokud se va\u0161e provozn\u00ed teplota, pracovn\u00ed cyklus nebo prost\u0159ed\u00ed li\u0161\u00ed od p\u0159edpoklad\u016f uveden\u00fdch v katalogu.<\/p>\n

\n

Nejste si jisti, zda je v\u00e1\u0161 sou\u010dasn\u00fd p\u0159evodov\u00fd olej vhodn\u00fd pro bronzov\u00e9 oleje?<\/h3>\n

Za\u0161lete n\u00e1m zna\u010dku a k\u00f3d oleje, teplotu oleje v p\u0159evodov\u00e9 van\u011b a pracovn\u00ed cyklus. Porovn\u00e1me aditiva s materi\u00e1lem va\u0161eho kola a doporu\u010d\u00edme v\u00fdm\u011bnu, pokud aktu\u00e1ln\u00ed n\u00e1pl\u0148 ohro\u017euje bronz.<\/p>\n

\u017d\u00e1dost o audit maziva \u2192<\/a><\/p>\n<\/div>\n

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

Worm Gear Lubrication \u2014 Choosing the Right Oil for Bronze Wheels EP additives and yellow metal coexist uneasily. Pick the wrong oil chemistry and the bronze wheel pits in 2,000 hours instead of 30,000. Here is how to get it right. Talk to an engineer \u2192 Quick Answer For a standard industrial worm and worm […]<\/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":[2821],"tags":[30,33],"class_list":["post-1250","post","type-post","status-publish","format-standard","hentry","category-worm-and-worm-wheel","tag-worm-gear","tag-worm-gear-worm"],"_links":{"self":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/comments?post=1250"}],"version-history":[{"count":1,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1250\/revisions"}],"predecessor-version":[{"id":1251,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/posts\/1250\/revisions\/1251"}],"wp:attachment":[{"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/media?parent=1250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/categories?post=1250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/worm-and-worm-wheel.com\/cs\/wp-json\/wp\/v2\/tags?post=1250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}