O-krou\u017eek vs. X-krou\u017eek motocyklov\u00e9ho \u0159et\u011bzu
\nKter\u00fd vydr\u017e\u00ed d\u00e9le?<\/span><\/h1>\nOba ut\u011bs\u0148uj\u00ed vnit\u0159n\u00ed mazivo v ka\u017ed\u00e9m kloubu. Oba vydr\u017e\u00ed 2\u20134kr\u00e1t d\u00e9le ne\u017e standardn\u00ed neut\u011bsn\u011bn\u00e9 \u0159et\u011bzy. Dvoub\u0159it\u00e1 geometrie \u0159et\u011bzu X-ring v\u0161ak vytv\u00e1\u0159\u00ed p\u0159ibli\u017en\u011b o 201 TP3T men\u0161\u00ed t\u0159en\u00ed a v pr\u016fb\u011bhu \u010dasu \u00fa\u010dinn\u011bji udr\u017euje mazivo. Tato p\u0159\u00edru\u010dka porovn\u00e1v\u00e1 oba typy dostate\u010dn\u011b podrobn\u011b, abyste si mohli vybrat ten spr\u00e1vn\u00fd zp\u016fsob pro va\u0161e j\u00edzdn\u00ed podm\u00ednky.<\/p>\n
Viz \u0159ada ut\u011bsn\u011bn\u00fdch \u0159et\u011bz\u016f<\/a><\/p>\n<\/div>\n<\/div>\n<\/p>\n
\n<\/p>\n
\nKr\u00e1tk\u00e1 odpov\u011b\u010f<\/h2>\n\n\nZvolte O-krou\u017eek, kdy\u017e:<\/div>\n\n- \u2713<\/span>Chcete del\u0161\u00ed \u017eivotnost ne\u017e standard p\u0159i ni\u017e\u0161\u00edch po\u010d\u00e1te\u010dn\u00edch n\u00e1kladech ne\u017e X-ring<\/li>\n
- \u2713<\/span>Maz\u00e1n\u00ed ka\u017ed\u00fdch 600\u20131 000 km se p\u0159izp\u016fsob\u00ed va\u0161emu stylu j\u00edzdy<\/li>\n
- \u2713<\/span>Doj\u00ed\u017ed\u011bn\u00ed po ulici, sm\u00ed\u0161en\u00e9 podm\u00ednky, ka\u017edodenn\u00ed cestuj\u00edc\u00ed<\/li>\n
- \u2713<\/span>Rozpo\u010det je prim\u00e1rn\u00edm faktorem<\/li>\n<\/ul>\n<\/div>\n\nZvolte X-Ring, kdy\u017e:<\/div>\n
\n- \u2713<\/span>Chcete nejdel\u0161\u00ed \u017eivotnost a minim\u00e1ln\u00ed mazac\u00ed intervaly<\/li>\n
- \u2713<\/span>Intervaly \u00fadr\u017eby pravideln\u011b p\u0159esahuj\u00ed 800\u20131 200 km<\/li>\n
- \u2713<\/span>Dobrodru\u017estv\u00ed, sportovn\u011b-turistick\u00e9 z\u00e1\u017eitky, jezdci s vysok\u00fdm po\u010dtem najet\u00fdch kilometr\u016f<\/li>\n
- \u2713<\/span>Pravideln\u00e1 j\u00edzda ve vlhk\u00e9m nebo mokr\u00e9m prost\u0159ed\u00ed<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n
<\/p>\n
Co oba typy \u0159et\u011bz\u016f skute\u010dn\u011b d\u011blaj\u00ed<\/h2>\n
P\u0159ed porovn\u00e1n\u00edm t\u011bchto dvou \u010dl\u00e1nk\u016f je d\u016fle\u017eit\u00e9 pochopit z\u00e1kladn\u00ed mechanismus, kter\u00fd sd\u00edlej\u00ed. U standardn\u00edho neut\u011bsn\u011bn\u00e9ho \u0159et\u011bzu je prim\u00e1rn\u00edm zdrojem opot\u0159eben\u00ed rozhran\u00ed \u010dep-pouzdro uvnit\u0159 ka\u017ed\u00e9ho kloubu. Jak se \u0159et\u011bz ot\u00e1\u010d\u00ed kolem ozuben\u00fdch kol, \u010dep se pod zat\u00ed\u017een\u00edm nepatrn\u011b ot\u00e1\u010d\u00ed uvnit\u0159 otvoru pouzdra a odstra\u0148uje mikroskopick\u00fd kov z obou povrch\u016f. Toto kumulativn\u00ed opot\u0159eben\u00ed zp\u016fsobuje prodlu\u017eov\u00e1n\u00ed \u0159et\u011bzu \u2013 nikoli protahov\u00e1n\u00ed lamel, ale mikroskopick\u00e9 roz\u0161i\u0159ov\u00e1n\u00ed kloub\u016f. Jakmile 20 po sob\u011b jdouc\u00edch \u010dl\u00e1nk\u016f nam\u011b\u0159\u00ed o 31 TP3T v\u00edce ne\u017e nomin\u00e1ln\u00ed d\u00e9lku, je nutn\u00e9 \u0159et\u011bz vym\u011bnit.<\/p>\n
\u0158et\u011bzy s O-krou\u017eky i X-krou\u017eky \u0159e\u0161\u00ed tento probl\u00e9m stejn\u00fdm zp\u016fsobem: b\u011bhem mont\u00e1\u017ee se ka\u017ed\u00fd spoj napln\u00ed mazivem a ut\u011bsn\u00ed se pry\u017eov\u00fdm krou\u017ekem stla\u010den\u00fdm mezi vnit\u0159n\u00ed a vn\u011bj\u0161\u00ed desti\u010dkou. Tov\u00e1rn\u00ed mazivo z\u016fst\u00e1v\u00e1 na rozhran\u00ed \u010depu a pouzdra bez ohledu na to, co se d\u011bje vn\u011bj\u0161\u00edm zp\u016fsobem \u2013 d\u00e9\u0161\u0165, bl\u00e1to, tlakov\u00e9 myt\u00ed nebo jednodu\u0161e vynech\u00e1n\u00ed maz\u00e1n\u00ed. V\u00fdsledkem je, \u017ee mechanismus kritick\u00e9ho opot\u0159eben\u00ed je potla\u010den po celou dobu \u017eivotnosti \u0159et\u011bzu.<\/p>\n
Oba typy tak\u00e9 sd\u00edlej\u00ed konstrukci pouzder s pln\u00fdm otvorem \u2013 obr\u00e1b\u011bn\u00e9 trubkov\u00e9 pouzdro bez \u0161vu \u2013 na rozd\u00edl od zkroucen\u00e9ho pouzdra standardn\u00edch \u0159et\u011bz\u016f. To p\u0159\u00edmo p\u0159isp\u00edv\u00e1 k odolnosti proti opot\u0159eben\u00ed: pln\u00e9 pouzdro si udr\u017euje konzistentn\u00ed geometrii d\u00edry p\u0159i zat\u00ed\u017een\u00ed po celou dobu sv\u00e9 \u017eivotnosti, zat\u00edmco zkroucen\u00e9 pouzdro se m\u016f\u017ee v pr\u016fb\u011bhu \u010dasu v m\u00edst\u011b \u0161vu m\u00edrn\u011b otev\u0159\u00edt, \u010d\u00edm\u017e se postupn\u011b zv\u011bt\u0161uje pr\u016fm\u011br d\u00edry a urychluje opot\u0159eben\u00ed \u010depu i p\u0159i dobr\u00e9m vn\u011bj\u0161\u00edm maz\u00e1n\u00ed.<\/p>\n
![\"Detailn\u00ed](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/O-Ring-and-X-Ring-Motorcycle-Chain-1.webp\" "\\"Motocyklov\u00fd")
<\/p>\n
<\/p>\n
\u0158et\u011bz s O-krou\u017ekem \u2013 jak funguje t\u011bsn\u011bn\u00ed<\/h2>\n\n\nO-krou\u017eek m\u00e1 kruhov\u00fd pr\u016f\u0159ez \u2013 torus z NBR (nitrilbutadienov\u00e9ho kau\u010duku) usazen\u00fd v dr\u00e1\u017ece vyfr\u00e9zovan\u00e9 do vnit\u0159n\u00ed plochy desky. Kdy\u017e je vn\u011bj\u0161\u00ed deska b\u011bhem mont\u00e1\u017ee p\u0159itla\u010dena na \u010dep, stla\u010d\u00ed O-krou\u017eek p\u0159ibli\u017en\u011b o 10\u2013151 TP3T jeho pr\u016fm\u011bru pr\u016f\u0159ezu. Toto stla\u010den\u00ed vytv\u00e1\u0159\u00ed t\u011bsnic\u00ed tlak, kter\u00fd zadr\u017euje mazivo uvnit\u0159 a ne\u010distoty venku.<\/p>\n
T\u011bsnic\u00ed kontakt mezi O-krou\u017ekem a \u010deln\u00ed plochou desky je relativn\u011b \u0161irok\u00fd, zak\u0159iven\u00fd povrch \u2013 zaoblen\u00fd pr\u016f\u0159ez krou\u017eku op\u00edraj\u00edc\u00ed se o plochou desku. Tato \u0161irok\u00e1 kontaktn\u00ed plocha je \u00fa\u010dinn\u00e1 p\u0159i ut\u011bsn\u011bn\u00ed, ale vytv\u00e1\u0159\u00ed zna\u010dn\u00e9 t\u0159en\u00ed p\u0159i kloubov\u00e9m pohybu \u0159et\u011bzu, proto\u017ee guma se mus\u00ed p\u0159i ka\u017ed\u00e9m z\u00e1b\u011bru pastorku oh\u00fdbat a t\u00e1hnout po povrchu desky v ka\u017ed\u00e9m kloubu.<\/p>\n
Specifikace \u0159et\u011bzu O-krou\u017ek\u016f (\u0159ada Korea Ever-Power):<\/h3>\n\n- \u25b8<\/span>428H-O:<\/strong> Rozte\u010d 12 700 mm \u00b7 23,8 kN \u00b7 1,00 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>520H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 28,0 kN \u00b7 1,14 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>525H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 29,4 kN \u00b7 1,25 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>530H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 30,4 kN \u00b7 1,40 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>Interval extern\u00edho maz\u00e1n\u00ed:<\/strong> 600\u20131 000 km (za norm\u00e1ln\u00edch podm\u00ednek na silnici)<\/li>\n<\/ul>\n<\/div>\n
![\"Motocyklov\u00fd](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/O-Ring-motorcycle-chain-1.webp\" "\\"O-krou\u017eek")
\n![\"Ut\u011bsn\u011bn\u00fd](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/O-Ring-Motorcycle-Chain-and-sprocket.webp\" "\\"\u0158et\u011bz")
<\/div>\n<\/div>\n<\/p>\n
\u0158et\u011bz X-Ring \u2013 \u010deho se dos\u00e1hne zm\u011bnou geometrie<\/h2>\n\n![\"Motocyklov\u00fd](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/X-Ring-motorcycle-chain-1.webp\" "\\"Motocyklov\u00fd")
\n![\"Detail](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/Motorcycle-Chain-detail-3-1.webp\" "\\"Detail")
<\/div>\n\nX-krou\u017eek pou\u017e\u00edv\u00e1 pr\u016f\u0159ez ve tvaru k\u0159\u00ed\u017ee \u2013 \u010dty\u0159i vyv\u00fd\u0161en\u00e9 okraje uspo\u0159\u00e1dan\u00e9 do tvaru X, p\u0159i\u010dem\u017e dva okraje na ka\u017ed\u00e9 stran\u011b krou\u017eku se p\u0159i stla\u010den\u00ed dot\u00fdkaj\u00ed \u00fazk\u00e9ho, vyv\u00fd\u0161en\u00e9ho h\u0159ebene \u010deln\u00ed plochy desky. M\u00edsto jedn\u00e9 \u0161irok\u00e9 zak\u0159iven\u00e9 kontaktn\u00ed plochy na ka\u017ed\u00e9 stran\u011b (jako u O-krou\u017eku) jsou na ka\u017ed\u00e9 stran\u011b dv\u011b \u00fazk\u00e9 kontaktn\u00ed linie. Celkov\u00e1 t\u011bsnic\u00ed kontaktn\u00ed plocha se zmen\u0161\u00ed, ale integrita t\u011bsn\u011bn\u00ed je zachov\u00e1na a zlep\u0161ena, proto\u017ee dv\u011b nez\u00e1visl\u00e9 kontaktn\u00ed linie je obt\u00ed\u017en\u011bj\u0161\u00ed sou\u010dasn\u011b prolomit ne\u017e jednu.<\/p>\n
U\u017e\u0161\u00ed kontaktn\u00ed plocha se p\u0159\u00edmo prom\u00edt\u00e1 do ni\u017e\u0161\u00edho t\u0159en\u00ed v ka\u017ed\u00e9m kloubu p\u0159i pohybu \u0159et\u011bzu. M\u011b\u0159eno na dynamometru za kontrolovan\u00fdch podm\u00ednek je t\u0159en\u00ed na rozhran\u00ed t\u011bsn\u011bn\u00ed p\u0159ibli\u017en\u011b o 20% ni\u017e\u0161\u00ed u \u0159et\u011bz\u016f s X-krou\u017eky oproti \u0159et\u011bz\u016fm s O-krou\u017eky ve stejn\u00e9 t\u0159\u00edd\u011b rozte\u010de. Toto sn\u00ed\u017een\u00ed t\u0159en\u00ed nen\u00ed p\u0159i b\u011b\u017en\u00e9 j\u00edzd\u011b nijak zvl\u00e1\u0161\u0165 patrn\u00e9 jako \u201epocitov\u00fd\u201c rozd\u00edl \u2013 je sp\u00ed\u0161e m\u011b\u0159iteln\u00e9 ne\u017e empirick\u00e9. Postupem \u010dasu je patrn\u00e9, \u017ee \u0159et\u011bz z\u016fst\u00e1v\u00e1 rovnom\u011brn\u011bji maz\u00e1n v m\u00edst\u011b spoje \u010dep-pouzdro, proto\u017ee vynikaj\u00edc\u00ed udr\u017een\u00ed t\u011bsn\u011bn\u00ed X-krou\u017ekem udr\u017euje tov\u00e1rn\u00ed mazivo na m\u00edst\u011b efektivn\u011bji s rostouc\u00edm po\u010dtem najet\u00fdch kilometr\u016f.<\/p>\n
Specifikace \u0159et\u011bzu X-Ring (\u0159ada Korea Ever-Power):<\/h3>\n\n- \u25b8<\/span>428H-X:<\/strong> Rozte\u010d 12 700 mm \u00b7 23,8 kN \u00b7 1,04 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>520H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,21 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>525H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,33 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>530H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,45 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>Interval extern\u00edho maz\u00e1n\u00ed:<\/strong> 800\u20131 200 km (za norm\u00e1ln\u00edch podm\u00ednek na silnici)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
<\/p>\n
P\u0159\u00edm\u00e9 srovn\u00e1n\u00ed<\/h2>\n\n\n\n\nSrovn\u00e1vac\u00ed bod<\/th>\n \u0158et\u011bz s O-krou\u017ekem<\/th>\n \u0158et\u011bz X-Ring<\/th>\n<\/tr>\n<\/thead>\n \n\nPr\u016f\u0159ez t\u011bsn\u011bn\u00ed<\/td>\n Kruhov\u00fd (1 kontaktn\u00ed plocha na ka\u017ed\u00e9 stran\u011b)<\/td>\n ve tvaru X (2 kontaktn\u00ed plochy na ka\u017ed\u00e9 stran\u011b)<\/td>\n<\/tr>\n \nT\u0159en\u00ed t\u011bsn\u011bn\u00ed vs. standard<\/td>\n Sn\u00ed\u017een\u00e9<\/td>\n ~20% ni\u017e\u0161\u00ed ne\u017e O-krou\u017eek<\/td>\n<\/tr>\n \nVnit\u0159n\u00ed zadr\u017eov\u00e1n\u00ed tuku<\/td>\n Dobr\u00e9 \u2013 uchov\u00e1v\u00e1no po celou dobu \u017eivotnosti \u0159et\u011bzu<\/td>\n Lep\u0161\u00ed \u2013 redundance s dvojit\u00fdm b\u0159item<\/td>\n<\/tr>\n \nTyp pouzdra<\/td>\n Pln\u00fd otvor<\/td>\n Pln\u00fd otvor<\/td>\n<\/tr>\n \nInterval extern\u00edho maz\u00e1n\u00ed<\/td>\n 600\u20131 000 km<\/td>\n 800\u20131 200 km<\/td>\n<\/tr>\n \nPevnost v tahu (p\u0159\u00edklad 520H)<\/td>\n 28,0 kN<\/td>\n 34,0 kN<\/td>\n<\/tr>\n \n\u017divotnost vs. standardn\u00ed<\/td>\n 2\u20133\u00d7<\/td>\n 3\u20134\u00d7<\/td>\n<\/tr>\n \nOdolnost v\u016f\u010di vod\u011b\/bl\u00e1tu<\/td>\n Dobr\u00fd<\/td>\n Lep\u0161\u00ed (dvoustrann\u00fd b\u0159it odoln\u011bj\u0161\u00ed)<\/td>\n<\/tr>\n \nKompatibilita ozuben\u00fdch kol<\/td>\n Stejn\u00e9 jako standardn\u00ed, stejn\u00e9 velikosti<\/td>\n Stejn\u00e9 jako standardn\u00ed, stejn\u00e9 velikosti<\/td>\n<\/tr>\n \nPo\u017eadavek na \u010disti\u010d<\/td>\n Pouze bezpe\u010dn\u00e9 pro O-krou\u017eky<\/td>\n Pouze bezpe\u010dn\u00e9 pro O-krou\u017eky<\/td>\n<\/tr>\n \nJednotkov\u00e1 cena (relativn\u00ed)<\/td>\n St\u0159edn\u00ed<\/td>\n St\u0159edn\u011b vysok\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/p>\n
Pro\u010d \u0159et\u011bzy X-Ring vykazuj\u00ed vy\u0161\u0161\u00ed pevnost v tahu<\/h2>\n
P\u0159i pohledu na tabulky specifikac\u00ed vykazuj\u00ed \u0159et\u011bzy s X-krou\u017eky konzistentn\u011b vy\u0161\u0161\u00ed pevnost v tahu ne\u017e \u0159et\u011bzy s O-krou\u017eky ve stejn\u00e9 rozte\u010di: nap\u0159\u00edklad 520H-X p\u0159i 34,0 kN oproti 520H-O p\u0159i 28,0 kN. Tento rozd\u00edl nen\u00ed zp\u016fsoben samotnou geometri\u00ed t\u011bsn\u011bn\u00ed \u2013 u\u017e\u0161\u00ed kontakt X-krou\u017eku p\u0159\u00edmo nep\u0159id\u00e1v\u00e1 struktur\u00e1ln\u00ed pevnost desti\u010dk\u00e1m \u0159et\u011bzu.<\/p>\n
Rozd\u00edl v tahu vypl\u00fdv\u00e1 z v\u00fdb\u011bru tlou\u0161\u0165ky desky. \u0158et\u011bzy s X-krou\u017eky v na\u0161\u00ed nab\u00eddce se vyr\u00e1b\u011bj\u00ed podle specifikace desky t\u0159\u00eddy H, kter\u00e1 je optimalizov\u00e1na pro geometrii dr\u00e1\u017eky t\u011bsn\u011bn\u00ed X-krou\u017eky \u2013 t\u011b\u017e\u0161\u00ed desky se p\u0159izp\u016fsob\u00ed v\u011bt\u0161\u00edmu profilu dr\u00e1\u017eky t\u011bsn\u011bn\u00ed a z\u00e1rove\u0148 si zachovaj\u00ed po\u017eadovanou tuhost vn\u011bj\u0161\u00ed desky \u010dl\u00e1nku. V\u00fdsledkem je, \u017ee varianty s t\u011bsn\u011bn\u00edm X-krou\u017eky v \u0159ad\u011b s rozte\u010d\u00ed 520\u2013530 maj\u00ed jak t\u011bsnic\u00ed v\u00fdhody geometrie X-krou\u017ek\u016f, tak struktur\u00e1ln\u00ed v\u00fdhody t\u011b\u017e\u0161\u00edch desti\u010dek.<\/p>\n
\nPraktick\u00e9 d\u016fsledky:<\/strong> Pokud je pro v\u00fdkon va\u0161eho motoru d\u016fle\u017eit\u00e1 pevnost v tahu \u0159et\u011bzu \u2013 a\u0165 u\u017e jde o vysoce v\u00fdkonn\u00fd silni\u010dn\u00ed motocykl nebo zat\u00ed\u017een\u00fd dobrodru\u017en\u00fd stroj \u2013 varianta s X-krou\u017eky ve stejn\u00e9 rozte\u010di poskytuje lep\u0161\u00ed t\u011bsn\u011bn\u00ed i lep\u0161\u00ed struktur\u00e1ln\u00ed parametry. Neplat\u00edte jen za vylep\u0161en\u00ed geometrie t\u011bsn\u011bn\u00ed; siln\u011bj\u0161\u00ed tlou\u0161\u0165ka desti\u010dky je dal\u0161\u00edm vylep\u0161en\u00edm.<\/p>\n<\/div>\n<\/p>\n
Rozd\u00edly ve v\u00fdkonu v re\u00e1ln\u00e9m sv\u011bt\u011b \u2013 t\u0159i profily jezdc\u016f<\/h2>\n\n\n\ud83d\udef5<\/div>\n\nM\u011bstsk\u00e9 doj\u00ed\u017ed\u011bn\u00ed, 150\u2013250 cm3, 8 000 km\/rok, p\u0159ev\u00e1\u017en\u011b zpevn\u011bn\u00e9 silnice<\/h3>\n
O-krou\u017eek (428H-O) je v tomto p\u0159\u00edpad\u011b tou spr\u00e1vnou volbou. J\u00edzda ve m\u011bst\u011b s pravidelnou \u00fadr\u017ebou ka\u017ed\u00fdch 600\u2013800 km na \u010dist\u00fdch zpevn\u011bn\u00fdch silnic\u00edch je p\u0159esn\u011b t\u00edm stavem, kdy O-krou\u017eek funguje dob\u0159e a maximalizuje svou cenovou v\u00fdhodu oproti X-krou\u017eku. Ni\u017e\u0161\u00ed jednotkov\u00e1 cena O-krou\u017eku znamen\u00e1, \u017ee i kdy\u017e jej vym\u011bn\u00edte o n\u011bco d\u0159\u00edve ne\u017e X-krou\u017eek, celkov\u00e9 ro\u010dn\u00ed n\u00e1klady na \u0159et\u011bz jsou konkurenceschopn\u00e9. T\u0159ec\u00ed v\u00fdhoda X-krou\u017eku 20% nen\u00ed p\u0159i t\u00e9to \u00farovni v\u00fdkonu a profilu kilometr\u016f prakticky relevantn\u00ed.<\/p>\n
Doporu\u010deno: 428H-O<\/div>\n<\/div>\n<\/div>\n\n\ud83c\udfcd\ufe0f<\/div>\n\nV\u00edkendov\u00fd jezdec, sportovn\u00ed motorka o objemu 600 ccm, 12 000 km\/rok, sm\u00ed\u0161en\u00e9 podm\u00ednky<\/h3>\n
V tomto profilu se X-ring (520H-X) za\u010d\u00edn\u00e1 vypl\u00e1cet vy\u0161\u0161\u00ed cena. Jezdec sportovn\u00edho motocyklu, kter\u00fd ro\u010dn\u011b najede 12 000 km na sm\u00ed\u0161en\u00fdch silni\u010dn\u00edch podm\u00ednk\u00e1ch \u2013 v\u010detn\u011b de\u0161t\u011b, ob\u010dasn\u00fdch j\u00edzd po d\u00e1lnici a energick\u00e9ho v\u00edkendov\u00e9ho provozu \u2013 t\u011b\u017e\u00ed z del\u0161\u00edch mazac\u00edch interval\u016f a odoln\u011bj\u0161\u00edho t\u011bsn\u011bn\u00ed X-ringu. Tahov\u00e1 pevnost 34,0 kN u 520H-X oproti 28,0 kN u 520H-O tak\u00e9 poskytuje pohodln\u011bj\u0161\u00ed rezervu p\u0159i vy\u0161\u0161\u00edm zat\u00ed\u017een\u00ed motoru o objemu 600 ccm p\u0159i j\u00edzd\u011b na trati nebo p\u0159i agresivn\u00ed j\u00edzd\u011b po silnici.<\/p>\n
Doporu\u010deno: 520H-X<\/div>\n<\/div>\n<\/div>\n\n\ud83d\uddfa\ufe0f<\/div>\n\nAdventure Tourer, 1000 ccm+, 20 000 km\/rok, sekce pro d\u00e9\u0161\u0165 a \u0161t\u011brk<\/h3>\n
P\u0159i 20 000 km ro\u010dn\u011b na sm\u00ed\u0161en\u00e9m povrchu je X-ring (530H-X nebo 525H-X) jednozna\u010dn\u011b lep\u0161\u00ed specifikac\u00ed. Dvoub\u0159it\u00e9 t\u011bsn\u011bn\u00ed l\u00e9pe odol\u00e1v\u00e1 trval\u00e9mu de\u0161ti a pravideln\u00e9mu vystaven\u00ed \u0161t\u011brku a prachu p\u0159i dobrodru\u017en\u00fdch j\u00edzd\u00e1ch. Prodlou\u017een\u00e9 intervaly maz\u00e1n\u00ed 800\u20131 200 km znamenaj\u00ed m\u00e9n\u011b servisn\u00edch zast\u00e1vek na dlouh\u00e9 cest\u011b. U t\u011b\u017e\u0161\u00edch stroj\u016f, kter\u00e9 ujedou tento druh ro\u010dn\u00edho kilometru, zva\u017ete dal\u0161\u00ed upgrade na Super X-ring (530-SX p\u0159i 43,0 kN) pro maxim\u00e1ln\u00ed servisn\u00ed intervaly 1 000\u20131 500 km.<\/p>\n
Doporu\u010deno: 530H-X nebo 530-SX<\/div>\n<\/div>\n<\/div>\n<\/div>\n![\"Maz\u00e1n\u00ed](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/motorcycle-chain-Installation-and-maintenance-2.webp\" "\\"Maz\u00e1n\u00ed")
<\/p>\n
<\/p>\n
Pravidla \u00fadr\u017eby pro oba typy<\/h2>\n
\u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky vy\u017eaduj\u00ed stejn\u00fd p\u0159\u00edstup k \u010di\u0161t\u011bn\u00ed a maz\u00e1n\u00ed \u2013 rozd\u00edl je pouze v tom, jak \u010dasto. Oba typy vy\u017eaduj\u00ed:<\/p>\n
\n\n\u010ci\u0161t\u011bn\u00ed<\/h3>\n\n- \u2192<\/span>Pou\u017e\u00edvejte pouze \u010disti\u010d \u0159et\u011bz\u016f bezpe\u010dn\u00fd pro O-krou\u017eky nebo X-krou\u017eky.<\/li>\n
- \u2192<\/span>Nikdy nepou\u017e\u00edvejte petrolej, benz\u00edn ani b\u011b\u017en\u00e9 odma\u0161\u0165ova\u010de \u2013 guma NBR se p\u0159i kontaktu degraduje<\/li>\n
- \u2192<\/span>M\u011bkk\u00fd kart\u00e1\u010d odstra\u0148uje ne\u010distoty z vozovky mezi spojovac\u00edmi deskami, ani\u017e by po\u0161kozoval t\u011bsn\u011bn\u00ed<\/li>\n
- \u2192<\/span>P\u0159ed nanesen\u00edm maziva nechte zcela zaschnout<\/li>\n<\/ul>\n<\/div>\n\n
Maz\u00e1n\u00ed<\/h3>\n\n- \u2192<\/span>Aplikujte na vnit\u0159n\u00ed plochy \u0159et\u011bzu (strana v\u00e1le\u010dk\u016f), nikoli na vn\u011bj\u0161\u00ed desti\u010dky<\/li>\n
- \u2192<\/span>Pou\u017e\u00edvejte vosk, mokr\u00e9 nebo such\u00e9 mazivo ur\u010den\u00e9 pro \u0159et\u011bzy \u2013 ne univerz\u00e1ln\u00ed olej<\/li>\n
- \u2192<\/span>Po umyt\u00ed motocyklu v\u017edy proma\u017ete \u2013 voda vytla\u010duje povrchov\u00e9 mazivo<\/li>\n
- \u2192<\/span>O-krou\u017eek: ka\u017ed\u00fdch 600\u20131 000 km. X-krou\u017eek: ka\u017ed\u00fdch 800\u20131 200 km<\/li>\n<\/ul>\n<\/div>\n\n
Inspekce<\/h3>\n\n- \u2192<\/span>Zkontrolujte pevn\u00e9 spoje \u2013 jak\u00fdkoli spoj, kter\u00fd se voln\u011b neoh\u00fdb\u00e1, nazna\u010duje po\u0161kozen\u00ed sestavy nebo such\u00fd spoj.<\/li>\n
- \u2192<\/span>P\u0159i ka\u017ed\u00e9m servisu kontrolujte t\u011bsn\u011bn\u00ed \u2013 praskl\u00e9, chyb\u011bj\u00edc\u00ed nebo ploch\u00e9 t\u011bsn\u011bn\u00ed znamen\u00e1, \u017ee je nutn\u00e1 v\u00fdm\u011bna.<\/li>\n
- \u2192<\/span>Zm\u011b\u0159te d\u00e9lku 20 \u010dl\u00e1nk\u016f: rozte\u010d 15,875 mm, vym\u011b\u0148te p\u0159i 327 mm; 12,70 mm, vym\u011b\u0148te p\u0159i 261,6 mm<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
<\/p>\n
Vyrobeno dle JIS B 1801 \u2013 Zkou\u0161eno v tahu \u0161ar\u017ee<\/h2>\n
\u0158et\u011bzy s O-krou\u017eky i X-krou\u017eky v \u0159ad\u011b Korea Ever-Power proch\u00e1zej\u00ed stejnou kontrolou kvality: certifikace vstupn\u00ed oceli, zaznamen\u00e1v\u00e1n\u00ed teploty cementace, ov\u011b\u0159en\u00ed rozm\u011br\u016f podle m\u011br JIS B 1801, zkou\u0161ka tahem ka\u017ed\u00e9 v\u00fdrobn\u00ed \u0161ar\u017ee a kontrola kloub\u016f p\u0159ed zabalen\u00edm.<\/p>\n
\n![\"Korea](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/motorcycle-chain-workshop-1.webp\" "\\"D\u00edlna")
<\/div>\n![\"V\u00fdrobn\u00ed](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/Motorcycle-Chain-factory-1.webp\" "\\"Tov\u00e1rna")
<\/div>\n![\"V\u00fdrobn\u00ed](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/Motorcycle-Chain-factory-2.webp\" "\\"Tov\u00e1rna")
<\/div>\n![\"V\u00fdroba](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/Motorcycle-Chain-factory-4.webp\" "\\"Tov\u00e1rna")
<\/div>\n![\"V\u00fdroba](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/Motorcycle-Chain-factory-5.webp\" "\\"Tov\u00e1rna")
<\/div>\n![\"V\u00fdroba](\"https:\/\/motorcyclechain.top\/wp-content\/uploads\/2026\/04\/Motorcycle-Chain-factory-6.webp\" "\\"Tov\u00e1rna")
<\/div>\n<\/div>\nKorea Ever-Power Motorcycle Chain Co., Ltd. \u2014 v\u00fdroba s certifikac\u00ed ISO 9001<\/p>\n
<\/p>\n
\n\u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky \u2013 v\u0161echny rozte\u010de skladem<\/h2>\n
Ob\u011b \u0159ady ut\u011bsn\u011bn\u00fdch \u0159et\u011bz\u016f jsou skladem v rozte\u010di 428, 520, 525 a 530. Odesl\u00e1n\u00ed do 3\u20137 pracovn\u00edch dn\u016f. Bez minim\u00e1ln\u00ed objedn\u00e1vky \u2013 p\u0159ij\u00edm\u00e1me i jednotliv\u00e9 \u0159et\u011bzy.<\/p>\n
\n\u0158et\u011bz s t\u011bsn\u011bn\u00edm O-krou\u017ekem<\/div>\n415H-O \u00b7 428H-O \u00b7 520H-O \u00b7 525H-O \u00b7 530H-O
\nInterval maz\u00e1n\u00ed 600\u20131 000 km \u00b7 A\u017e 30,4 kN<\/div>\n <\/p>\n
\u0158et\u011bz s X-krou\u017ekem<\/div>\n428H-X \u00b7 520H-X \u00b7 525H-X \u00b7 530H-X
\nInterval maz\u00e1n\u00ed 800\u20131 200 km \u00b7 A\u017e 34,0 kN<\/div>\n <\/p>\n
Super X-Ring (Dal\u0161\u00ed \u00farove\u0148)<\/div>\n428SX \u00b7 520-SX \u00b7 525-SX \u00b7 530-SX
\nInterval maz\u00e1n\u00ed 1 000\u20131 500 km \u00b7 A\u017e 43,0 kN<\/div>\n <\/p>\n<\/div>\n
Pot\u0159ebujete odpov\u00eddaj\u00edc\u00ed ozuben\u00e1 kola? Motocyklov\u00e1 ozuben\u00e1 kola a sady \u0159et\u011bz\u016f a ozuben\u00fdch kol<\/a> pro v\u0161echna h\u0159i\u0161t\u011b.<\/span>
\nOzuben\u00e1 kola \u2192<\/a><\/div>\n<\/div>\n<\/p>\n
\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\nMohu p\u0159ej\u00edt z \u0159et\u011bzu s O-krou\u017ekem na \u0159et\u011bz s X-krou\u017ekem bez v\u00fdm\u011bny ozuben\u00fdch kol?+<\/span><\/summary>\nAno. \u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky ve stejn\u00e9 z\u00e1kladn\u00ed velikosti (nap\u0159. 520H-O a 520H-X) sd\u00edlej\u00ed stejn\u00e9 rozm\u011bry rozte\u010de a vnit\u0159n\u00ed \u0161\u00ed\u0159ky dle JIS B 1801 a pasuj\u00ed na stejn\u00e1 ozuben\u00e1 kola bez jak\u00e9koli \u00fapravy. \u010cep je u \u0159et\u011bz\u016f s X-krou\u017eky o n\u011bco del\u0161\u00ed, aby se p\u0159izp\u016fsobil \u0161ir\u0161\u00ed dr\u00e1\u017ece t\u011bsn\u011bn\u00ed, ale to neovliv\u0148uje, jak \u0159et\u011bz dosed\u00e1 na zuby ozuben\u00e9ho kola.<\/div>\n<\/details>\n\nM\u00e1 ni\u017e\u0161\u00ed t\u0159en\u00ed X-krou\u017eku m\u011b\u0159iteln\u00fd vliv na v\u00fdkon?+<\/span><\/summary>\nSn\u00ed\u017een\u00ed t\u0159en\u00ed mezi t\u011bsn\u011bn\u00edm a t\u011bsnic\u00ed plochou u modelu 20% je m\u011b\u0159iteln\u00e9 na dynamometru za kontrolovan\u00fdch podm\u00ednek. V re\u00e1ln\u00fdch podm\u00ednk\u00e1ch j\u00edzdy na silni\u010dn\u00edm nebo cestovn\u00edm motocyklu nen\u00ed patrn\u00e9 jako rozd\u00edl ve v\u00fdkonu nebo odezv\u011b. Sn\u00ed\u017een\u00ed t\u0159en\u00ed je sp\u00ed\u0161e relevantn\u00ed jako indik\u00e1tor sn\u00ed\u017een\u00e9ho vnit\u0159n\u00edho generov\u00e1n\u00ed tepla na rozhran\u00ed t\u011bsn\u011bn\u00ed \u2013 co\u017e p\u0159isp\u00edv\u00e1 k del\u0161\u00ed \u017eivotnosti t\u011bsn\u011bn\u00ed v pr\u016fb\u011bhu \u010dasu, sp\u00ed\u0161e ne\u017e k znateln\u00e9mu zv\u00fd\u0161en\u00ed v\u00fdkonu.<\/div>\n<\/details>\n\nCo se stane, kdy\u017e k \u010di\u0161t\u011bn\u00ed ut\u011bsn\u011bn\u00e9ho \u0159et\u011bzu pou\u017eiji standardn\u00ed odma\u0161\u0165ova\u010d?+<\/span><\/summary>\nRozpou\u0161t\u011bdla na b\u00e1zi ropy zp\u016fsobuj\u00ed bobtn\u00e1n\u00ed NBR pry\u017ee a ztr\u00e1tu jej\u00ed elasticity. T\u011bsn\u011bn\u00ed ztrat\u00ed kompresi, kter\u00e1 vytv\u00e1\u0159\u00ed jeho t\u011bsnic\u00ed s\u00edlu, co\u017e umo\u017en\u00ed, aby se tov\u00e1rn\u00ed mazivo v pr\u016fb\u011bhu n\u011bkolika p\u0159\u00ed\u0161t\u00edch stovek kilometr\u016f dostalo ze spoje. V dob\u011b, kdy \u0159et\u011bz vykazuje m\u011b\u0159iteln\u00e9 prodlou\u017een\u00ed, je po\u0161kozen\u00ed t\u011bsn\u011bn\u00ed ji\u017e d\u00e1vno dokon\u010deno. Toto je nevratn\u00e9 \u2013 jakmile t\u011bsn\u011bn\u00ed ztrat\u00ed funkci, \u0159et\u011bz se chov\u00e1 jako neut\u011bsn\u011bn\u00fd \u0159et\u011bz, i kdy\u017e se zven\u010d\u00ed st\u00e1le jev\u00ed jako neporu\u0161en\u00fd.<\/div>\n<\/details>\n\nJe Super X-ring jen dra\u017e\u0161\u00ed X-ring, nebo m\u00e1 jin\u00fd design?+<\/span><\/summary>\nSuper X-ring (SX) m\u00e1 odli\u0161nou konstrukci t\u011bsn\u011bn\u00ed \u2013 \u0161ir\u0161\u00ed pr\u016f\u0159ez se t\u0159emi kontaktn\u00edmi b\u0159ity na ka\u017ed\u00e9 stran\u011b nam\u00edsto dvou u X-ringu. To poskytuje t\u0159i nez\u00e1visl\u00e9 t\u011bsnic\u00ed linie na ka\u017ed\u00e9 stran\u011b, co\u017e zaji\u0161\u0165uje dodate\u010dnou redundanci, proto\u017ee vn\u011bj\u0161\u00ed b\u0159ity se postupn\u011b p\u0159izp\u016fsobuj\u00ed povrchu desky v pr\u016fb\u011bhu \u017eivotnosti \u0159et\u011bzu. SX tak\u00e9 umo\u017e\u0148uje del\u0161\u00ed intervaly maz\u00e1n\u00ed 1 000\u20131 500 km. 530-SX dosahuje 43,0 kN \u2013 co\u017e je v\u00fdrazn\u011b v\u00edce ne\u017e ekvivalent X-ring \u2013 d\u00edky kombinaci geometrie t\u011bsn\u011bn\u00ed SX, pouzdra s pln\u00fdm otvorem a specifikace desky t\u0159\u00eddy H.<\/div>\n<\/details>\n\nJak pozn\u00e1m, kdy je pot\u0159eba vym\u011bnit ut\u011bsn\u011bn\u00fd \u0159et\u011bz?+<\/span><\/summary>\nZm\u011b\u0159te 20 po sob\u011b jdouc\u00edch \u010dl\u00e1nk\u016f od st\u0159edu \u010depu k st\u0159edu \u010depu pod m\u00edrn\u00fdm nap\u011bt\u00edm. Pro rozte\u010d 15,875 mm (\u0159ada 520\/525\/530) je jmenovit\u00e1 d\u00e9lka 20 \u010dl\u00e1nk\u016f 317,5 mm \u2013 vym\u011b\u0148te, kdy\u017e m\u011b\u0159\u00ed 327 mm nebo v\u00edce. Pro rozte\u010d 12,70 mm (\u0159ada 428) je jmenovit\u00e1 d\u00e9lka 254,0 mm \u2013 vym\u011b\u0148te p\u0159i 261,6 mm. Vym\u011b\u0148te tak\u00e9, pokud zjist\u00edte praskl\u00e1 nebo chyb\u011bj\u00edc\u00ed t\u011bsn\u011bn\u00ed, jak\u00fdkoli tuh\u00fd \u010dl\u00e1nek, kter\u00fd se voln\u011b neoh\u00fdb\u00e1, nebo pokud lze \u0159et\u011bz vyt\u00e1hnout ze zadn\u00edho pastorku tak, \u017ee se odhal\u00ed v\u00edce ne\u017e polovina ko\u0159ene zubu.<\/div>\n<\/details>\n<\/div>\n<\/p>\n
\nP\u0159ipraveni objednat ut\u011bsn\u011bn\u00fd \u0159et\u011bz?<\/h2>\n
Spole\u010dnost Korea Ever-Power m\u00e1 skladem \u0159et\u011bzy s t\u011bsn\u011bn\u00edm O-krou\u017ekem i X-krou\u017ekem v rozte\u010di 428, 520, 525 a 530, kter\u00e9 jsou testov\u00e1ny v tahu v d\u00e1vk\u00e1ch a spl\u0148uj\u00ed normu JIS B 1801 u ka\u017ed\u00e9 z\u00e1silky. Za\u0161lete n\u00e1m \u010d\u00edslo \u0159et\u011bzu a my v\u00e1m p\u0159ed objedn\u00e1n\u00edm potvrd\u00edme spr\u00e1vnou specifikaci.<\/p>\n
<\/p>\n
<\/p>\n
Kr\u00e1tk\u00e1 odpov\u011b\u010f<\/h2>\n\n\nZvolte O-krou\u017eek, kdy\u017e:<\/div>\n\n- \u2713<\/span>Chcete del\u0161\u00ed \u017eivotnost ne\u017e standard p\u0159i ni\u017e\u0161\u00edch po\u010d\u00e1te\u010dn\u00edch n\u00e1kladech ne\u017e X-ring<\/li>\n
- \u2713<\/span>Maz\u00e1n\u00ed ka\u017ed\u00fdch 600\u20131 000 km se p\u0159izp\u016fsob\u00ed va\u0161emu stylu j\u00edzdy<\/li>\n
- \u2713<\/span>Doj\u00ed\u017ed\u011bn\u00ed po ulici, sm\u00ed\u0161en\u00e9 podm\u00ednky, ka\u017edodenn\u00ed cestuj\u00edc\u00ed<\/li>\n
- \u2713<\/span>Rozpo\u010det je prim\u00e1rn\u00edm faktorem<\/li>\n<\/ul>\n<\/div>\n\nZvolte X-Ring, kdy\u017e:<\/div>\n
\n- \u2713<\/span>Chcete nejdel\u0161\u00ed \u017eivotnost a minim\u00e1ln\u00ed mazac\u00ed intervaly<\/li>\n
- \u2713<\/span>Intervaly \u00fadr\u017eby pravideln\u011b p\u0159esahuj\u00ed 800\u20131 200 km<\/li>\n
- \u2713<\/span>Dobrodru\u017estv\u00ed, sportovn\u011b-turistick\u00e9 z\u00e1\u017eitky, jezdci s vysok\u00fdm po\u010dtem najet\u00fdch kilometr\u016f<\/li>\n
- \u2713<\/span>Pravideln\u00e1 j\u00edzda ve vlhk\u00e9m nebo mokr\u00e9m prost\u0159ed\u00ed<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n
<\/p>\n
Co oba typy \u0159et\u011bz\u016f skute\u010dn\u011b d\u011blaj\u00ed<\/h2>\n
P\u0159ed porovn\u00e1n\u00edm t\u011bchto dvou \u010dl\u00e1nk\u016f je d\u016fle\u017eit\u00e9 pochopit z\u00e1kladn\u00ed mechanismus, kter\u00fd sd\u00edlej\u00ed. U standardn\u00edho neut\u011bsn\u011bn\u00e9ho \u0159et\u011bzu je prim\u00e1rn\u00edm zdrojem opot\u0159eben\u00ed rozhran\u00ed \u010dep-pouzdro uvnit\u0159 ka\u017ed\u00e9ho kloubu. Jak se \u0159et\u011bz ot\u00e1\u010d\u00ed kolem ozuben\u00fdch kol, \u010dep se pod zat\u00ed\u017een\u00edm nepatrn\u011b ot\u00e1\u010d\u00ed uvnit\u0159 otvoru pouzdra a odstra\u0148uje mikroskopick\u00fd kov z obou povrch\u016f. Toto kumulativn\u00ed opot\u0159eben\u00ed zp\u016fsobuje prodlu\u017eov\u00e1n\u00ed \u0159et\u011bzu \u2013 nikoli protahov\u00e1n\u00ed lamel, ale mikroskopick\u00e9 roz\u0161i\u0159ov\u00e1n\u00ed kloub\u016f. Jakmile 20 po sob\u011b jdouc\u00edch \u010dl\u00e1nk\u016f nam\u011b\u0159\u00ed o 31 TP3T v\u00edce ne\u017e nomin\u00e1ln\u00ed d\u00e9lku, je nutn\u00e9 \u0159et\u011bz vym\u011bnit.<\/p>\n
\u0158et\u011bzy s O-krou\u017eky i X-krou\u017eky \u0159e\u0161\u00ed tento probl\u00e9m stejn\u00fdm zp\u016fsobem: b\u011bhem mont\u00e1\u017ee se ka\u017ed\u00fd spoj napln\u00ed mazivem a ut\u011bsn\u00ed se pry\u017eov\u00fdm krou\u017ekem stla\u010den\u00fdm mezi vnit\u0159n\u00ed a vn\u011bj\u0161\u00ed desti\u010dkou. Tov\u00e1rn\u00ed mazivo z\u016fst\u00e1v\u00e1 na rozhran\u00ed \u010depu a pouzdra bez ohledu na to, co se d\u011bje vn\u011bj\u0161\u00edm zp\u016fsobem \u2013 d\u00e9\u0161\u0165, bl\u00e1to, tlakov\u00e9 myt\u00ed nebo jednodu\u0161e vynech\u00e1n\u00ed maz\u00e1n\u00ed. V\u00fdsledkem je, \u017ee mechanismus kritick\u00e9ho opot\u0159eben\u00ed je potla\u010den po celou dobu \u017eivotnosti \u0159et\u011bzu.<\/p>\n
Oba typy tak\u00e9 sd\u00edlej\u00ed konstrukci pouzder s pln\u00fdm otvorem \u2013 obr\u00e1b\u011bn\u00e9 trubkov\u00e9 pouzdro bez \u0161vu \u2013 na rozd\u00edl od zkroucen\u00e9ho pouzdra standardn\u00edch \u0159et\u011bz\u016f. To p\u0159\u00edmo p\u0159isp\u00edv\u00e1 k odolnosti proti opot\u0159eben\u00ed: pln\u00e9 pouzdro si udr\u017euje konzistentn\u00ed geometrii d\u00edry p\u0159i zat\u00ed\u017een\u00ed po celou dobu sv\u00e9 \u017eivotnosti, zat\u00edmco zkroucen\u00e9 pouzdro se m\u016f\u017ee v pr\u016fb\u011bhu \u010dasu v m\u00edst\u011b \u0161vu m\u00edrn\u011b otev\u0159\u00edt, \u010d\u00edm\u017e se postupn\u011b zv\u011bt\u0161uje pr\u016fm\u011br d\u00edry a urychluje opot\u0159eben\u00ed \u010depu i p\u0159i dobr\u00e9m vn\u011bj\u0161\u00edm maz\u00e1n\u00ed.<\/p>\n
<\/p>\n
<\/p>\n
\u0158et\u011bz s O-krou\u017ekem \u2013 jak funguje t\u011bsn\u011bn\u00ed<\/h2>\n\n\nO-krou\u017eek m\u00e1 kruhov\u00fd pr\u016f\u0159ez \u2013 torus z NBR (nitrilbutadienov\u00e9ho kau\u010duku) usazen\u00fd v dr\u00e1\u017ece vyfr\u00e9zovan\u00e9 do vnit\u0159n\u00ed plochy desky. Kdy\u017e je vn\u011bj\u0161\u00ed deska b\u011bhem mont\u00e1\u017ee p\u0159itla\u010dena na \u010dep, stla\u010d\u00ed O-krou\u017eek p\u0159ibli\u017en\u011b o 10\u2013151 TP3T jeho pr\u016fm\u011bru pr\u016f\u0159ezu. Toto stla\u010den\u00ed vytv\u00e1\u0159\u00ed t\u011bsnic\u00ed tlak, kter\u00fd zadr\u017euje mazivo uvnit\u0159 a ne\u010distoty venku.<\/p>\n
T\u011bsnic\u00ed kontakt mezi O-krou\u017ekem a \u010deln\u00ed plochou desky je relativn\u011b \u0161irok\u00fd, zak\u0159iven\u00fd povrch \u2013 zaoblen\u00fd pr\u016f\u0159ez krou\u017eku op\u00edraj\u00edc\u00ed se o plochou desku. Tato \u0161irok\u00e1 kontaktn\u00ed plocha je \u00fa\u010dinn\u00e1 p\u0159i ut\u011bsn\u011bn\u00ed, ale vytv\u00e1\u0159\u00ed zna\u010dn\u00e9 t\u0159en\u00ed p\u0159i kloubov\u00e9m pohybu \u0159et\u011bzu, proto\u017ee guma se mus\u00ed p\u0159i ka\u017ed\u00e9m z\u00e1b\u011bru pastorku oh\u00fdbat a t\u00e1hnout po povrchu desky v ka\u017ed\u00e9m kloubu.<\/p>\n
Specifikace \u0159et\u011bzu O-krou\u017ek\u016f (\u0159ada Korea Ever-Power):<\/h3>\n\n- \u25b8<\/span>428H-O:<\/strong> Rozte\u010d 12 700 mm \u00b7 23,8 kN \u00b7 1,00 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>520H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 28,0 kN \u00b7 1,14 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>525H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 29,4 kN \u00b7 1,25 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>530H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 30,4 kN \u00b7 1,40 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>Interval extern\u00edho maz\u00e1n\u00ed:<\/strong> 600\u20131 000 km (za norm\u00e1ln\u00edch podm\u00ednek na silnici)<\/li>\n<\/ul>\n<\/div>\n
\n<\/div>\n<\/div>\n<\/p>\n
\u0158et\u011bz X-Ring \u2013 \u010deho se dos\u00e1hne zm\u011bnou geometrie<\/h2>\n\n
\n<\/div>\n\nX-krou\u017eek pou\u017e\u00edv\u00e1 pr\u016f\u0159ez ve tvaru k\u0159\u00ed\u017ee \u2013 \u010dty\u0159i vyv\u00fd\u0161en\u00e9 okraje uspo\u0159\u00e1dan\u00e9 do tvaru X, p\u0159i\u010dem\u017e dva okraje na ka\u017ed\u00e9 stran\u011b krou\u017eku se p\u0159i stla\u010den\u00ed dot\u00fdkaj\u00ed \u00fazk\u00e9ho, vyv\u00fd\u0161en\u00e9ho h\u0159ebene \u010deln\u00ed plochy desky. M\u00edsto jedn\u00e9 \u0161irok\u00e9 zak\u0159iven\u00e9 kontaktn\u00ed plochy na ka\u017ed\u00e9 stran\u011b (jako u O-krou\u017eku) jsou na ka\u017ed\u00e9 stran\u011b dv\u011b \u00fazk\u00e9 kontaktn\u00ed linie. Celkov\u00e1 t\u011bsnic\u00ed kontaktn\u00ed plocha se zmen\u0161\u00ed, ale integrita t\u011bsn\u011bn\u00ed je zachov\u00e1na a zlep\u0161ena, proto\u017ee dv\u011b nez\u00e1visl\u00e9 kontaktn\u00ed linie je obt\u00ed\u017en\u011bj\u0161\u00ed sou\u010dasn\u011b prolomit ne\u017e jednu.<\/p>\n
U\u017e\u0161\u00ed kontaktn\u00ed plocha se p\u0159\u00edmo prom\u00edt\u00e1 do ni\u017e\u0161\u00edho t\u0159en\u00ed v ka\u017ed\u00e9m kloubu p\u0159i pohybu \u0159et\u011bzu. M\u011b\u0159eno na dynamometru za kontrolovan\u00fdch podm\u00ednek je t\u0159en\u00ed na rozhran\u00ed t\u011bsn\u011bn\u00ed p\u0159ibli\u017en\u011b o 20% ni\u017e\u0161\u00ed u \u0159et\u011bz\u016f s X-krou\u017eky oproti \u0159et\u011bz\u016fm s O-krou\u017eky ve stejn\u00e9 t\u0159\u00edd\u011b rozte\u010de. Toto sn\u00ed\u017een\u00ed t\u0159en\u00ed nen\u00ed p\u0159i b\u011b\u017en\u00e9 j\u00edzd\u011b nijak zvl\u00e1\u0161\u0165 patrn\u00e9 jako \u201epocitov\u00fd\u201c rozd\u00edl \u2013 je sp\u00ed\u0161e m\u011b\u0159iteln\u00e9 ne\u017e empirick\u00e9. Postupem \u010dasu je patrn\u00e9, \u017ee \u0159et\u011bz z\u016fst\u00e1v\u00e1 rovnom\u011brn\u011bji maz\u00e1n v m\u00edst\u011b spoje \u010dep-pouzdro, proto\u017ee vynikaj\u00edc\u00ed udr\u017een\u00ed t\u011bsn\u011bn\u00ed X-krou\u017ekem udr\u017euje tov\u00e1rn\u00ed mazivo na m\u00edst\u011b efektivn\u011bji s rostouc\u00edm po\u010dtem najet\u00fdch kilometr\u016f.<\/p>\n
Specifikace \u0159et\u011bzu X-Ring (\u0159ada Korea Ever-Power):<\/h3>\n\n- \u25b8<\/span>428H-X:<\/strong> Rozte\u010d 12 700 mm \u00b7 23,8 kN \u00b7 1,04 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>520H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,21 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>525H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,33 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>530H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,45 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>Interval extern\u00edho maz\u00e1n\u00ed:<\/strong> 800\u20131 200 km (za norm\u00e1ln\u00edch podm\u00ednek na silnici)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
<\/p>\n
P\u0159\u00edm\u00e9 srovn\u00e1n\u00ed<\/h2>\n\n\n\n\nSrovn\u00e1vac\u00ed bod<\/th>\n \u0158et\u011bz s O-krou\u017ekem<\/th>\n \u0158et\u011bz X-Ring<\/th>\n<\/tr>\n<\/thead>\n \n\nPr\u016f\u0159ez t\u011bsn\u011bn\u00ed<\/td>\n Kruhov\u00fd (1 kontaktn\u00ed plocha na ka\u017ed\u00e9 stran\u011b)<\/td>\n ve tvaru X (2 kontaktn\u00ed plochy na ka\u017ed\u00e9 stran\u011b)<\/td>\n<\/tr>\n \nT\u0159en\u00ed t\u011bsn\u011bn\u00ed vs. standard<\/td>\n Sn\u00ed\u017een\u00e9<\/td>\n ~20% ni\u017e\u0161\u00ed ne\u017e O-krou\u017eek<\/td>\n<\/tr>\n \nVnit\u0159n\u00ed zadr\u017eov\u00e1n\u00ed tuku<\/td>\n Dobr\u00e9 \u2013 uchov\u00e1v\u00e1no po celou dobu \u017eivotnosti \u0159et\u011bzu<\/td>\n Lep\u0161\u00ed \u2013 redundance s dvojit\u00fdm b\u0159item<\/td>\n<\/tr>\n \nTyp pouzdra<\/td>\n Pln\u00fd otvor<\/td>\n Pln\u00fd otvor<\/td>\n<\/tr>\n \nInterval extern\u00edho maz\u00e1n\u00ed<\/td>\n 600\u20131 000 km<\/td>\n 800\u20131 200 km<\/td>\n<\/tr>\n \nPevnost v tahu (p\u0159\u00edklad 520H)<\/td>\n 28,0 kN<\/td>\n 34,0 kN<\/td>\n<\/tr>\n \n\u017divotnost vs. standardn\u00ed<\/td>\n 2\u20133\u00d7<\/td>\n 3\u20134\u00d7<\/td>\n<\/tr>\n \nOdolnost v\u016f\u010di vod\u011b\/bl\u00e1tu<\/td>\n Dobr\u00fd<\/td>\n Lep\u0161\u00ed (dvoustrann\u00fd b\u0159it odoln\u011bj\u0161\u00ed)<\/td>\n<\/tr>\n \nKompatibilita ozuben\u00fdch kol<\/td>\n Stejn\u00e9 jako standardn\u00ed, stejn\u00e9 velikosti<\/td>\n Stejn\u00e9 jako standardn\u00ed, stejn\u00e9 velikosti<\/td>\n<\/tr>\n \nPo\u017eadavek na \u010disti\u010d<\/td>\n Pouze bezpe\u010dn\u00e9 pro O-krou\u017eky<\/td>\n Pouze bezpe\u010dn\u00e9 pro O-krou\u017eky<\/td>\n<\/tr>\n \nJednotkov\u00e1 cena (relativn\u00ed)<\/td>\n St\u0159edn\u00ed<\/td>\n St\u0159edn\u011b vysok\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/p>\n
Pro\u010d \u0159et\u011bzy X-Ring vykazuj\u00ed vy\u0161\u0161\u00ed pevnost v tahu<\/h2>\n
P\u0159i pohledu na tabulky specifikac\u00ed vykazuj\u00ed \u0159et\u011bzy s X-krou\u017eky konzistentn\u011b vy\u0161\u0161\u00ed pevnost v tahu ne\u017e \u0159et\u011bzy s O-krou\u017eky ve stejn\u00e9 rozte\u010di: nap\u0159\u00edklad 520H-X p\u0159i 34,0 kN oproti 520H-O p\u0159i 28,0 kN. Tento rozd\u00edl nen\u00ed zp\u016fsoben samotnou geometri\u00ed t\u011bsn\u011bn\u00ed \u2013 u\u017e\u0161\u00ed kontakt X-krou\u017eku p\u0159\u00edmo nep\u0159id\u00e1v\u00e1 struktur\u00e1ln\u00ed pevnost desti\u010dk\u00e1m \u0159et\u011bzu.<\/p>\n
Rozd\u00edl v tahu vypl\u00fdv\u00e1 z v\u00fdb\u011bru tlou\u0161\u0165ky desky. \u0158et\u011bzy s X-krou\u017eky v na\u0161\u00ed nab\u00eddce se vyr\u00e1b\u011bj\u00ed podle specifikace desky t\u0159\u00eddy H, kter\u00e1 je optimalizov\u00e1na pro geometrii dr\u00e1\u017eky t\u011bsn\u011bn\u00ed X-krou\u017eky \u2013 t\u011b\u017e\u0161\u00ed desky se p\u0159izp\u016fsob\u00ed v\u011bt\u0161\u00edmu profilu dr\u00e1\u017eky t\u011bsn\u011bn\u00ed a z\u00e1rove\u0148 si zachovaj\u00ed po\u017eadovanou tuhost vn\u011bj\u0161\u00ed desky \u010dl\u00e1nku. V\u00fdsledkem je, \u017ee varianty s t\u011bsn\u011bn\u00edm X-krou\u017eky v \u0159ad\u011b s rozte\u010d\u00ed 520\u2013530 maj\u00ed jak t\u011bsnic\u00ed v\u00fdhody geometrie X-krou\u017ek\u016f, tak struktur\u00e1ln\u00ed v\u00fdhody t\u011b\u017e\u0161\u00edch desti\u010dek.<\/p>\n
\nPraktick\u00e9 d\u016fsledky:<\/strong> Pokud je pro v\u00fdkon va\u0161eho motoru d\u016fle\u017eit\u00e1 pevnost v tahu \u0159et\u011bzu \u2013 a\u0165 u\u017e jde o vysoce v\u00fdkonn\u00fd silni\u010dn\u00ed motocykl nebo zat\u00ed\u017een\u00fd dobrodru\u017en\u00fd stroj \u2013 varianta s X-krou\u017eky ve stejn\u00e9 rozte\u010di poskytuje lep\u0161\u00ed t\u011bsn\u011bn\u00ed i lep\u0161\u00ed struktur\u00e1ln\u00ed parametry. Neplat\u00edte jen za vylep\u0161en\u00ed geometrie t\u011bsn\u011bn\u00ed; siln\u011bj\u0161\u00ed tlou\u0161\u0165ka desti\u010dky je dal\u0161\u00edm vylep\u0161en\u00edm.<\/p>\n<\/div>\n<\/p>\n
Rozd\u00edly ve v\u00fdkonu v re\u00e1ln\u00e9m sv\u011bt\u011b \u2013 t\u0159i profily jezdc\u016f<\/h2>\n\n\n\ud83d\udef5<\/div>\n\nM\u011bstsk\u00e9 doj\u00ed\u017ed\u011bn\u00ed, 150\u2013250 cm3, 8 000 km\/rok, p\u0159ev\u00e1\u017en\u011b zpevn\u011bn\u00e9 silnice<\/h3>\n
O-krou\u017eek (428H-O) je v tomto p\u0159\u00edpad\u011b tou spr\u00e1vnou volbou. J\u00edzda ve m\u011bst\u011b s pravidelnou \u00fadr\u017ebou ka\u017ed\u00fdch 600\u2013800 km na \u010dist\u00fdch zpevn\u011bn\u00fdch silnic\u00edch je p\u0159esn\u011b t\u00edm stavem, kdy O-krou\u017eek funguje dob\u0159e a maximalizuje svou cenovou v\u00fdhodu oproti X-krou\u017eku. Ni\u017e\u0161\u00ed jednotkov\u00e1 cena O-krou\u017eku znamen\u00e1, \u017ee i kdy\u017e jej vym\u011bn\u00edte o n\u011bco d\u0159\u00edve ne\u017e X-krou\u017eek, celkov\u00e9 ro\u010dn\u00ed n\u00e1klady na \u0159et\u011bz jsou konkurenceschopn\u00e9. T\u0159ec\u00ed v\u00fdhoda X-krou\u017eku 20% nen\u00ed p\u0159i t\u00e9to \u00farovni v\u00fdkonu a profilu kilometr\u016f prakticky relevantn\u00ed.<\/p>\n
Doporu\u010deno: 428H-O<\/div>\n<\/div>\n<\/div>\n\n\ud83c\udfcd\ufe0f<\/div>\n\nV\u00edkendov\u00fd jezdec, sportovn\u00ed motorka o objemu 600 ccm, 12 000 km\/rok, sm\u00ed\u0161en\u00e9 podm\u00ednky<\/h3>\n
V tomto profilu se X-ring (520H-X) za\u010d\u00edn\u00e1 vypl\u00e1cet vy\u0161\u0161\u00ed cena. Jezdec sportovn\u00edho motocyklu, kter\u00fd ro\u010dn\u011b najede 12 000 km na sm\u00ed\u0161en\u00fdch silni\u010dn\u00edch podm\u00ednk\u00e1ch \u2013 v\u010detn\u011b de\u0161t\u011b, ob\u010dasn\u00fdch j\u00edzd po d\u00e1lnici a energick\u00e9ho v\u00edkendov\u00e9ho provozu \u2013 t\u011b\u017e\u00ed z del\u0161\u00edch mazac\u00edch interval\u016f a odoln\u011bj\u0161\u00edho t\u011bsn\u011bn\u00ed X-ringu. Tahov\u00e1 pevnost 34,0 kN u 520H-X oproti 28,0 kN u 520H-O tak\u00e9 poskytuje pohodln\u011bj\u0161\u00ed rezervu p\u0159i vy\u0161\u0161\u00edm zat\u00ed\u017een\u00ed motoru o objemu 600 ccm p\u0159i j\u00edzd\u011b na trati nebo p\u0159i agresivn\u00ed j\u00edzd\u011b po silnici.<\/p>\n
Doporu\u010deno: 520H-X<\/div>\n<\/div>\n<\/div>\n\n\ud83d\uddfa\ufe0f<\/div>\n\nAdventure Tourer, 1000 ccm+, 20 000 km\/rok, sekce pro d\u00e9\u0161\u0165 a \u0161t\u011brk<\/h3>\n
P\u0159i 20 000 km ro\u010dn\u011b na sm\u00ed\u0161en\u00e9m povrchu je X-ring (530H-X nebo 525H-X) jednozna\u010dn\u011b lep\u0161\u00ed specifikac\u00ed. Dvoub\u0159it\u00e9 t\u011bsn\u011bn\u00ed l\u00e9pe odol\u00e1v\u00e1 trval\u00e9mu de\u0161ti a pravideln\u00e9mu vystaven\u00ed \u0161t\u011brku a prachu p\u0159i dobrodru\u017en\u00fdch j\u00edzd\u00e1ch. Prodlou\u017een\u00e9 intervaly maz\u00e1n\u00ed 800\u20131 200 km znamenaj\u00ed m\u00e9n\u011b servisn\u00edch zast\u00e1vek na dlouh\u00e9 cest\u011b. U t\u011b\u017e\u0161\u00edch stroj\u016f, kter\u00e9 ujedou tento druh ro\u010dn\u00edho kilometru, zva\u017ete dal\u0161\u00ed upgrade na Super X-ring (530-SX p\u0159i 43,0 kN) pro maxim\u00e1ln\u00ed servisn\u00ed intervaly 1 000\u20131 500 km.<\/p>\n
Doporu\u010deno: 530H-X nebo 530-SX<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/p>\n
<\/p>\n
Pravidla \u00fadr\u017eby pro oba typy<\/h2>\n
\u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky vy\u017eaduj\u00ed stejn\u00fd p\u0159\u00edstup k \u010di\u0161t\u011bn\u00ed a maz\u00e1n\u00ed \u2013 rozd\u00edl je pouze v tom, jak \u010dasto. Oba typy vy\u017eaduj\u00ed:<\/p>\n
\n\n\u010ci\u0161t\u011bn\u00ed<\/h3>\n\n- \u2192<\/span>Pou\u017e\u00edvejte pouze \u010disti\u010d \u0159et\u011bz\u016f bezpe\u010dn\u00fd pro O-krou\u017eky nebo X-krou\u017eky.<\/li>\n
- \u2192<\/span>Nikdy nepou\u017e\u00edvejte petrolej, benz\u00edn ani b\u011b\u017en\u00e9 odma\u0161\u0165ova\u010de \u2013 guma NBR se p\u0159i kontaktu degraduje<\/li>\n
- \u2192<\/span>M\u011bkk\u00fd kart\u00e1\u010d odstra\u0148uje ne\u010distoty z vozovky mezi spojovac\u00edmi deskami, ani\u017e by po\u0161kozoval t\u011bsn\u011bn\u00ed<\/li>\n
- \u2192<\/span>P\u0159ed nanesen\u00edm maziva nechte zcela zaschnout<\/li>\n<\/ul>\n<\/div>\n\n
Maz\u00e1n\u00ed<\/h3>\n\n- \u2192<\/span>Aplikujte na vnit\u0159n\u00ed plochy \u0159et\u011bzu (strana v\u00e1le\u010dk\u016f), nikoli na vn\u011bj\u0161\u00ed desti\u010dky<\/li>\n
- \u2192<\/span>Pou\u017e\u00edvejte vosk, mokr\u00e9 nebo such\u00e9 mazivo ur\u010den\u00e9 pro \u0159et\u011bzy \u2013 ne univerz\u00e1ln\u00ed olej<\/li>\n
- \u2192<\/span>Po umyt\u00ed motocyklu v\u017edy proma\u017ete \u2013 voda vytla\u010duje povrchov\u00e9 mazivo<\/li>\n
- \u2192<\/span>O-krou\u017eek: ka\u017ed\u00fdch 600\u20131 000 km. X-krou\u017eek: ka\u017ed\u00fdch 800\u20131 200 km<\/li>\n<\/ul>\n<\/div>\n\n
Inspekce<\/h3>\n\n- \u2192<\/span>Zkontrolujte pevn\u00e9 spoje \u2013 jak\u00fdkoli spoj, kter\u00fd se voln\u011b neoh\u00fdb\u00e1, nazna\u010duje po\u0161kozen\u00ed sestavy nebo such\u00fd spoj.<\/li>\n
- \u2192<\/span>P\u0159i ka\u017ed\u00e9m servisu kontrolujte t\u011bsn\u011bn\u00ed \u2013 praskl\u00e9, chyb\u011bj\u00edc\u00ed nebo ploch\u00e9 t\u011bsn\u011bn\u00ed znamen\u00e1, \u017ee je nutn\u00e1 v\u00fdm\u011bna.<\/li>\n
- \u2192<\/span>Zm\u011b\u0159te d\u00e9lku 20 \u010dl\u00e1nk\u016f: rozte\u010d 15,875 mm, vym\u011b\u0148te p\u0159i 327 mm; 12,70 mm, vym\u011b\u0148te p\u0159i 261,6 mm<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
<\/p>\n
Vyrobeno dle JIS B 1801 \u2013 Zkou\u0161eno v tahu \u0161ar\u017ee<\/h2>\n
\u0158et\u011bzy s O-krou\u017eky i X-krou\u017eky v \u0159ad\u011b Korea Ever-Power proch\u00e1zej\u00ed stejnou kontrolou kvality: certifikace vstupn\u00ed oceli, zaznamen\u00e1v\u00e1n\u00ed teploty cementace, ov\u011b\u0159en\u00ed rozm\u011br\u016f podle m\u011br JIS B 1801, zkou\u0161ka tahem ka\u017ed\u00e9 v\u00fdrobn\u00ed \u0161ar\u017ee a kontrola kloub\u016f p\u0159ed zabalen\u00edm.<\/p>\n
\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\nKorea Ever-Power Motorcycle Chain Co., Ltd. \u2014 v\u00fdroba s certifikac\u00ed ISO 9001<\/p>\n
<\/p>\n
\n\u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky \u2013 v\u0161echny rozte\u010de skladem<\/h2>\n
Ob\u011b \u0159ady ut\u011bsn\u011bn\u00fdch \u0159et\u011bz\u016f jsou skladem v rozte\u010di 428, 520, 525 a 530. Odesl\u00e1n\u00ed do 3\u20137 pracovn\u00edch dn\u016f. Bez minim\u00e1ln\u00ed objedn\u00e1vky \u2013 p\u0159ij\u00edm\u00e1me i jednotliv\u00e9 \u0159et\u011bzy.<\/p>\n
\n\u0158et\u011bz s t\u011bsn\u011bn\u00edm O-krou\u017ekem<\/div>\n415H-O \u00b7 428H-O \u00b7 520H-O \u00b7 525H-O \u00b7 530H-O
\nInterval maz\u00e1n\u00ed 600\u20131 000 km \u00b7 A\u017e 30,4 kN<\/div>\n <\/p>\n
\u0158et\u011bz s X-krou\u017ekem<\/div>\n428H-X \u00b7 520H-X \u00b7 525H-X \u00b7 530H-X
\nInterval maz\u00e1n\u00ed 800\u20131 200 km \u00b7 A\u017e 34,0 kN<\/div>\n <\/p>\n
Super X-Ring (Dal\u0161\u00ed \u00farove\u0148)<\/div>\n428SX \u00b7 520-SX \u00b7 525-SX \u00b7 530-SX
\nInterval maz\u00e1n\u00ed 1 000\u20131 500 km \u00b7 A\u017e 43,0 kN<\/div>\n <\/p>\n<\/div>\n
Pot\u0159ebujete odpov\u00eddaj\u00edc\u00ed ozuben\u00e1 kola? Motocyklov\u00e1 ozuben\u00e1 kola a sady \u0159et\u011bz\u016f a ozuben\u00fdch kol<\/a> pro v\u0161echna h\u0159i\u0161t\u011b.<\/span>
\nOzuben\u00e1 kola \u2192<\/a><\/div>\n<\/div>\n<\/p>\n
\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\nMohu p\u0159ej\u00edt z \u0159et\u011bzu s O-krou\u017ekem na \u0159et\u011bz s X-krou\u017ekem bez v\u00fdm\u011bny ozuben\u00fdch kol?+<\/span><\/summary>\nAno. \u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky ve stejn\u00e9 z\u00e1kladn\u00ed velikosti (nap\u0159. 520H-O a 520H-X) sd\u00edlej\u00ed stejn\u00e9 rozm\u011bry rozte\u010de a vnit\u0159n\u00ed \u0161\u00ed\u0159ky dle JIS B 1801 a pasuj\u00ed na stejn\u00e1 ozuben\u00e1 kola bez jak\u00e9koli \u00fapravy. \u010cep je u \u0159et\u011bz\u016f s X-krou\u017eky o n\u011bco del\u0161\u00ed, aby se p\u0159izp\u016fsobil \u0161ir\u0161\u00ed dr\u00e1\u017ece t\u011bsn\u011bn\u00ed, ale to neovliv\u0148uje, jak \u0159et\u011bz dosed\u00e1 na zuby ozuben\u00e9ho kola.<\/div>\n<\/details>\n\nM\u00e1 ni\u017e\u0161\u00ed t\u0159en\u00ed X-krou\u017eku m\u011b\u0159iteln\u00fd vliv na v\u00fdkon?+<\/span><\/summary>\nSn\u00ed\u017een\u00ed t\u0159en\u00ed mezi t\u011bsn\u011bn\u00edm a t\u011bsnic\u00ed plochou u modelu 20% je m\u011b\u0159iteln\u00e9 na dynamometru za kontrolovan\u00fdch podm\u00ednek. V re\u00e1ln\u00fdch podm\u00ednk\u00e1ch j\u00edzdy na silni\u010dn\u00edm nebo cestovn\u00edm motocyklu nen\u00ed patrn\u00e9 jako rozd\u00edl ve v\u00fdkonu nebo odezv\u011b. Sn\u00ed\u017een\u00ed t\u0159en\u00ed je sp\u00ed\u0161e relevantn\u00ed jako indik\u00e1tor sn\u00ed\u017een\u00e9ho vnit\u0159n\u00edho generov\u00e1n\u00ed tepla na rozhran\u00ed t\u011bsn\u011bn\u00ed \u2013 co\u017e p\u0159isp\u00edv\u00e1 k del\u0161\u00ed \u017eivotnosti t\u011bsn\u011bn\u00ed v pr\u016fb\u011bhu \u010dasu, sp\u00ed\u0161e ne\u017e k znateln\u00e9mu zv\u00fd\u0161en\u00ed v\u00fdkonu.<\/div>\n<\/details>\n\nCo se stane, kdy\u017e k \u010di\u0161t\u011bn\u00ed ut\u011bsn\u011bn\u00e9ho \u0159et\u011bzu pou\u017eiji standardn\u00ed odma\u0161\u0165ova\u010d?+<\/span><\/summary>\nRozpou\u0161t\u011bdla na b\u00e1zi ropy zp\u016fsobuj\u00ed bobtn\u00e1n\u00ed NBR pry\u017ee a ztr\u00e1tu jej\u00ed elasticity. T\u011bsn\u011bn\u00ed ztrat\u00ed kompresi, kter\u00e1 vytv\u00e1\u0159\u00ed jeho t\u011bsnic\u00ed s\u00edlu, co\u017e umo\u017en\u00ed, aby se tov\u00e1rn\u00ed mazivo v pr\u016fb\u011bhu n\u011bkolika p\u0159\u00ed\u0161t\u00edch stovek kilometr\u016f dostalo ze spoje. V dob\u011b, kdy \u0159et\u011bz vykazuje m\u011b\u0159iteln\u00e9 prodlou\u017een\u00ed, je po\u0161kozen\u00ed t\u011bsn\u011bn\u00ed ji\u017e d\u00e1vno dokon\u010deno. Toto je nevratn\u00e9 \u2013 jakmile t\u011bsn\u011bn\u00ed ztrat\u00ed funkci, \u0159et\u011bz se chov\u00e1 jako neut\u011bsn\u011bn\u00fd \u0159et\u011bz, i kdy\u017e se zven\u010d\u00ed st\u00e1le jev\u00ed jako neporu\u0161en\u00fd.<\/div>\n<\/details>\n\nJe Super X-ring jen dra\u017e\u0161\u00ed X-ring, nebo m\u00e1 jin\u00fd design?+<\/span><\/summary>\nSuper X-ring (SX) m\u00e1 odli\u0161nou konstrukci t\u011bsn\u011bn\u00ed \u2013 \u0161ir\u0161\u00ed pr\u016f\u0159ez se t\u0159emi kontaktn\u00edmi b\u0159ity na ka\u017ed\u00e9 stran\u011b nam\u00edsto dvou u X-ringu. To poskytuje t\u0159i nez\u00e1visl\u00e9 t\u011bsnic\u00ed linie na ka\u017ed\u00e9 stran\u011b, co\u017e zaji\u0161\u0165uje dodate\u010dnou redundanci, proto\u017ee vn\u011bj\u0161\u00ed b\u0159ity se postupn\u011b p\u0159izp\u016fsobuj\u00ed povrchu desky v pr\u016fb\u011bhu \u017eivotnosti \u0159et\u011bzu. SX tak\u00e9 umo\u017e\u0148uje del\u0161\u00ed intervaly maz\u00e1n\u00ed 1 000\u20131 500 km. 530-SX dosahuje 43,0 kN \u2013 co\u017e je v\u00fdrazn\u011b v\u00edce ne\u017e ekvivalent X-ring \u2013 d\u00edky kombinaci geometrie t\u011bsn\u011bn\u00ed SX, pouzdra s pln\u00fdm otvorem a specifikace desky t\u0159\u00eddy H.<\/div>\n<\/details>\n\nJak pozn\u00e1m, kdy je pot\u0159eba vym\u011bnit ut\u011bsn\u011bn\u00fd \u0159et\u011bz?+<\/span><\/summary>\nZm\u011b\u0159te 20 po sob\u011b jdouc\u00edch \u010dl\u00e1nk\u016f od st\u0159edu \u010depu k st\u0159edu \u010depu pod m\u00edrn\u00fdm nap\u011bt\u00edm. Pro rozte\u010d 15,875 mm (\u0159ada 520\/525\/530) je jmenovit\u00e1 d\u00e9lka 20 \u010dl\u00e1nk\u016f 317,5 mm \u2013 vym\u011b\u0148te, kdy\u017e m\u011b\u0159\u00ed 327 mm nebo v\u00edce. Pro rozte\u010d 12,70 mm (\u0159ada 428) je jmenovit\u00e1 d\u00e9lka 254,0 mm \u2013 vym\u011b\u0148te p\u0159i 261,6 mm. Vym\u011b\u0148te tak\u00e9, pokud zjist\u00edte praskl\u00e1 nebo chyb\u011bj\u00edc\u00ed t\u011bsn\u011bn\u00ed, jak\u00fdkoli tuh\u00fd \u010dl\u00e1nek, kter\u00fd se voln\u011b neoh\u00fdb\u00e1, nebo pokud lze \u0159et\u011bz vyt\u00e1hnout ze zadn\u00edho pastorku tak, \u017ee se odhal\u00ed v\u00edce ne\u017e polovina ko\u0159ene zubu.<\/div>\n<\/details>\n<\/div>\n<\/p>\n
\nP\u0159ipraveni objednat ut\u011bsn\u011bn\u00fd \u0159et\u011bz?<\/h2>\n
Spole\u010dnost Korea Ever-Power m\u00e1 skladem \u0159et\u011bzy s t\u011bsn\u011bn\u00edm O-krou\u017ekem i X-krou\u017ekem v rozte\u010di 428, 520, 525 a 530, kter\u00e9 jsou testov\u00e1ny v tahu v d\u00e1vk\u00e1ch a spl\u0148uj\u00ed normu JIS B 1801 u ka\u017ed\u00e9 z\u00e1silky. Za\u0161lete n\u00e1m \u010d\u00edslo \u0159et\u011bzu a my v\u00e1m p\u0159ed objedn\u00e1n\u00edm potvrd\u00edme spr\u00e1vnou specifikaci.<\/p>\n
- \n
- \u2713<\/span>Chcete del\u0161\u00ed \u017eivotnost ne\u017e standard p\u0159i ni\u017e\u0161\u00edch po\u010d\u00e1te\u010dn\u00edch n\u00e1kladech ne\u017e X-ring<\/li>\n
- \u2713<\/span>Maz\u00e1n\u00ed ka\u017ed\u00fdch 600\u20131 000 km se p\u0159izp\u016fsob\u00ed va\u0161emu stylu j\u00edzdy<\/li>\n
- \u2713<\/span>Doj\u00ed\u017ed\u011bn\u00ed po ulici, sm\u00ed\u0161en\u00e9 podm\u00ednky, ka\u017edodenn\u00ed cestuj\u00edc\u00ed<\/li>\n
- \u2713<\/span>Rozpo\u010det je prim\u00e1rn\u00edm faktorem<\/li>\n<\/ul>\n<\/div>\n
\nZvolte X-Ring, kdy\u017e:<\/div>\n- \n
- \u2713<\/span>Chcete nejdel\u0161\u00ed \u017eivotnost a minim\u00e1ln\u00ed mazac\u00ed intervaly<\/li>\n
- \u2713<\/span>Intervaly \u00fadr\u017eby pravideln\u011b p\u0159esahuj\u00ed 800\u20131 200 km<\/li>\n
- \u2713<\/span>Dobrodru\u017estv\u00ed, sportovn\u011b-turistick\u00e9 z\u00e1\u017eitky, jezdci s vysok\u00fdm po\u010dtem najet\u00fdch kilometr\u016f<\/li>\n
- \u2713<\/span>Pravideln\u00e1 j\u00edzda ve vlhk\u00e9m nebo mokr\u00e9m prost\u0159ed\u00ed<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n
<\/p>\n
Co oba typy \u0159et\u011bz\u016f skute\u010dn\u011b d\u011blaj\u00ed<\/h2>\n
P\u0159ed porovn\u00e1n\u00edm t\u011bchto dvou \u010dl\u00e1nk\u016f je d\u016fle\u017eit\u00e9 pochopit z\u00e1kladn\u00ed mechanismus, kter\u00fd sd\u00edlej\u00ed. U standardn\u00edho neut\u011bsn\u011bn\u00e9ho \u0159et\u011bzu je prim\u00e1rn\u00edm zdrojem opot\u0159eben\u00ed rozhran\u00ed \u010dep-pouzdro uvnit\u0159 ka\u017ed\u00e9ho kloubu. Jak se \u0159et\u011bz ot\u00e1\u010d\u00ed kolem ozuben\u00fdch kol, \u010dep se pod zat\u00ed\u017een\u00edm nepatrn\u011b ot\u00e1\u010d\u00ed uvnit\u0159 otvoru pouzdra a odstra\u0148uje mikroskopick\u00fd kov z obou povrch\u016f. Toto kumulativn\u00ed opot\u0159eben\u00ed zp\u016fsobuje prodlu\u017eov\u00e1n\u00ed \u0159et\u011bzu \u2013 nikoli protahov\u00e1n\u00ed lamel, ale mikroskopick\u00e9 roz\u0161i\u0159ov\u00e1n\u00ed kloub\u016f. Jakmile 20 po sob\u011b jdouc\u00edch \u010dl\u00e1nk\u016f nam\u011b\u0159\u00ed o 31 TP3T v\u00edce ne\u017e nomin\u00e1ln\u00ed d\u00e9lku, je nutn\u00e9 \u0159et\u011bz vym\u011bnit.<\/p>\n
\u0158et\u011bzy s O-krou\u017eky i X-krou\u017eky \u0159e\u0161\u00ed tento probl\u00e9m stejn\u00fdm zp\u016fsobem: b\u011bhem mont\u00e1\u017ee se ka\u017ed\u00fd spoj napln\u00ed mazivem a ut\u011bsn\u00ed se pry\u017eov\u00fdm krou\u017ekem stla\u010den\u00fdm mezi vnit\u0159n\u00ed a vn\u011bj\u0161\u00ed desti\u010dkou. Tov\u00e1rn\u00ed mazivo z\u016fst\u00e1v\u00e1 na rozhran\u00ed \u010depu a pouzdra bez ohledu na to, co se d\u011bje vn\u011bj\u0161\u00edm zp\u016fsobem \u2013 d\u00e9\u0161\u0165, bl\u00e1to, tlakov\u00e9 myt\u00ed nebo jednodu\u0161e vynech\u00e1n\u00ed maz\u00e1n\u00ed. V\u00fdsledkem je, \u017ee mechanismus kritick\u00e9ho opot\u0159eben\u00ed je potla\u010den po celou dobu \u017eivotnosti \u0159et\u011bzu.<\/p>\n
Oba typy tak\u00e9 sd\u00edlej\u00ed konstrukci pouzder s pln\u00fdm otvorem \u2013 obr\u00e1b\u011bn\u00e9 trubkov\u00e9 pouzdro bez \u0161vu \u2013 na rozd\u00edl od zkroucen\u00e9ho pouzdra standardn\u00edch \u0159et\u011bz\u016f. To p\u0159\u00edmo p\u0159isp\u00edv\u00e1 k odolnosti proti opot\u0159eben\u00ed: pln\u00e9 pouzdro si udr\u017euje konzistentn\u00ed geometrii d\u00edry p\u0159i zat\u00ed\u017een\u00ed po celou dobu sv\u00e9 \u017eivotnosti, zat\u00edmco zkroucen\u00e9 pouzdro se m\u016f\u017ee v pr\u016fb\u011bhu \u010dasu v m\u00edst\u011b \u0161vu m\u00edrn\u011b otev\u0159\u00edt, \u010d\u00edm\u017e se postupn\u011b zv\u011bt\u0161uje pr\u016fm\u011br d\u00edry a urychluje opot\u0159eben\u00ed \u010depu i p\u0159i dobr\u00e9m vn\u011bj\u0161\u00edm maz\u00e1n\u00ed.<\/p>\n
<\/p>\n<\/p>\n
\u0158et\u011bz s O-krou\u017ekem \u2013 jak funguje t\u011bsn\u011bn\u00ed<\/h2>\n
\n\nO-krou\u017eek m\u00e1 kruhov\u00fd pr\u016f\u0159ez \u2013 torus z NBR (nitrilbutadienov\u00e9ho kau\u010duku) usazen\u00fd v dr\u00e1\u017ece vyfr\u00e9zovan\u00e9 do vnit\u0159n\u00ed plochy desky. Kdy\u017e je vn\u011bj\u0161\u00ed deska b\u011bhem mont\u00e1\u017ee p\u0159itla\u010dena na \u010dep, stla\u010d\u00ed O-krou\u017eek p\u0159ibli\u017en\u011b o 10\u2013151 TP3T jeho pr\u016fm\u011bru pr\u016f\u0159ezu. Toto stla\u010den\u00ed vytv\u00e1\u0159\u00ed t\u011bsnic\u00ed tlak, kter\u00fd zadr\u017euje mazivo uvnit\u0159 a ne\u010distoty venku.<\/p>\n
T\u011bsnic\u00ed kontakt mezi O-krou\u017ekem a \u010deln\u00ed plochou desky je relativn\u011b \u0161irok\u00fd, zak\u0159iven\u00fd povrch \u2013 zaoblen\u00fd pr\u016f\u0159ez krou\u017eku op\u00edraj\u00edc\u00ed se o plochou desku. Tato \u0161irok\u00e1 kontaktn\u00ed plocha je \u00fa\u010dinn\u00e1 p\u0159i ut\u011bsn\u011bn\u00ed, ale vytv\u00e1\u0159\u00ed zna\u010dn\u00e9 t\u0159en\u00ed p\u0159i kloubov\u00e9m pohybu \u0159et\u011bzu, proto\u017ee guma se mus\u00ed p\u0159i ka\u017ed\u00e9m z\u00e1b\u011bru pastorku oh\u00fdbat a t\u00e1hnout po povrchu desky v ka\u017ed\u00e9m kloubu.<\/p>\n
Specifikace \u0159et\u011bzu O-krou\u017ek\u016f (\u0159ada Korea Ever-Power):<\/h3>\n
- \n
- \u25b8<\/span>428H-O:<\/strong> Rozte\u010d 12 700 mm \u00b7 23,8 kN \u00b7 1,00 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>520H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 28,0 kN \u00b7 1,14 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>525H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 29,4 kN \u00b7 1,25 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>530H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 30,4 kN \u00b7 1,40 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u25b8<\/span>Interval extern\u00edho maz\u00e1n\u00ed:<\/strong> 600\u20131 000 km (za norm\u00e1ln\u00edch podm\u00ednek na silnici)<\/li>\n<\/ul>\n<\/div>\n
\n<\/div>\n<\/div>\n<\/p>\n
\u0158et\u011bz X-Ring \u2013 \u010deho se dos\u00e1hne zm\u011bnou geometrie<\/h2>\n
\n
\n<\/div>\n\nX-krou\u017eek pou\u017e\u00edv\u00e1 pr\u016f\u0159ez ve tvaru k\u0159\u00ed\u017ee \u2013 \u010dty\u0159i vyv\u00fd\u0161en\u00e9 okraje uspo\u0159\u00e1dan\u00e9 do tvaru X, p\u0159i\u010dem\u017e dva okraje na ka\u017ed\u00e9 stran\u011b krou\u017eku se p\u0159i stla\u010den\u00ed dot\u00fdkaj\u00ed \u00fazk\u00e9ho, vyv\u00fd\u0161en\u00e9ho h\u0159ebene \u010deln\u00ed plochy desky. M\u00edsto jedn\u00e9 \u0161irok\u00e9 zak\u0159iven\u00e9 kontaktn\u00ed plochy na ka\u017ed\u00e9 stran\u011b (jako u O-krou\u017eku) jsou na ka\u017ed\u00e9 stran\u011b dv\u011b \u00fazk\u00e9 kontaktn\u00ed linie. Celkov\u00e1 t\u011bsnic\u00ed kontaktn\u00ed plocha se zmen\u0161\u00ed, ale integrita t\u011bsn\u011bn\u00ed je zachov\u00e1na a zlep\u0161ena, proto\u017ee dv\u011b nez\u00e1visl\u00e9 kontaktn\u00ed linie je obt\u00ed\u017en\u011bj\u0161\u00ed sou\u010dasn\u011b prolomit ne\u017e jednu.<\/p>\n
U\u017e\u0161\u00ed kontaktn\u00ed plocha se p\u0159\u00edmo prom\u00edt\u00e1 do ni\u017e\u0161\u00edho t\u0159en\u00ed v ka\u017ed\u00e9m kloubu p\u0159i pohybu \u0159et\u011bzu. M\u011b\u0159eno na dynamometru za kontrolovan\u00fdch podm\u00ednek je t\u0159en\u00ed na rozhran\u00ed t\u011bsn\u011bn\u00ed p\u0159ibli\u017en\u011b o 20% ni\u017e\u0161\u00ed u \u0159et\u011bz\u016f s X-krou\u017eky oproti \u0159et\u011bz\u016fm s O-krou\u017eky ve stejn\u00e9 t\u0159\u00edd\u011b rozte\u010de. Toto sn\u00ed\u017een\u00ed t\u0159en\u00ed nen\u00ed p\u0159i b\u011b\u017en\u00e9 j\u00edzd\u011b nijak zvl\u00e1\u0161\u0165 patrn\u00e9 jako \u201epocitov\u00fd\u201c rozd\u00edl \u2013 je sp\u00ed\u0161e m\u011b\u0159iteln\u00e9 ne\u017e empirick\u00e9. Postupem \u010dasu je patrn\u00e9, \u017ee \u0159et\u011bz z\u016fst\u00e1v\u00e1 rovnom\u011brn\u011bji maz\u00e1n v m\u00edst\u011b spoje \u010dep-pouzdro, proto\u017ee vynikaj\u00edc\u00ed udr\u017een\u00ed t\u011bsn\u011bn\u00ed X-krou\u017ekem udr\u017euje tov\u00e1rn\u00ed mazivo na m\u00edst\u011b efektivn\u011bji s rostouc\u00edm po\u010dtem najet\u00fdch kilometr\u016f.<\/p>\n
Specifikace \u0159et\u011bzu X-Ring (\u0159ada Korea Ever-Power):<\/h3>\n
- \n
- \u25b8<\/span>428H-X:<\/strong> Rozte\u010d 12 700 mm \u00b7 23,8 kN \u00b7 1,04 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>520H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,21 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>525H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,33 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>530H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,45 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>Interval extern\u00edho maz\u00e1n\u00ed:<\/strong> 800\u20131 200 km (za norm\u00e1ln\u00edch podm\u00ednek na silnici)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
<\/p>\n
P\u0159\u00edm\u00e9 srovn\u00e1n\u00ed<\/h2>\n
\n\n\n
\n \nSrovn\u00e1vac\u00ed bod<\/th>\n \u0158et\u011bz s O-krou\u017ekem<\/th>\n \u0158et\u011bz X-Ring<\/th>\n<\/tr>\n<\/thead>\n \n Pr\u016f\u0159ez t\u011bsn\u011bn\u00ed<\/td>\n Kruhov\u00fd (1 kontaktn\u00ed plocha na ka\u017ed\u00e9 stran\u011b)<\/td>\n ve tvaru X (2 kontaktn\u00ed plochy na ka\u017ed\u00e9 stran\u011b)<\/td>\n<\/tr>\n \n T\u0159en\u00ed t\u011bsn\u011bn\u00ed vs. standard<\/td>\n Sn\u00ed\u017een\u00e9<\/td>\n ~20% ni\u017e\u0161\u00ed ne\u017e O-krou\u017eek<\/td>\n<\/tr>\n \n Vnit\u0159n\u00ed zadr\u017eov\u00e1n\u00ed tuku<\/td>\n Dobr\u00e9 \u2013 uchov\u00e1v\u00e1no po celou dobu \u017eivotnosti \u0159et\u011bzu<\/td>\n Lep\u0161\u00ed \u2013 redundance s dvojit\u00fdm b\u0159item<\/td>\n<\/tr>\n \n Typ pouzdra<\/td>\n Pln\u00fd otvor<\/td>\n Pln\u00fd otvor<\/td>\n<\/tr>\n \n Interval extern\u00edho maz\u00e1n\u00ed<\/td>\n 600\u20131 000 km<\/td>\n 800\u20131 200 km<\/td>\n<\/tr>\n \n Pevnost v tahu (p\u0159\u00edklad 520H)<\/td>\n 28,0 kN<\/td>\n 34,0 kN<\/td>\n<\/tr>\n \n \u017divotnost vs. standardn\u00ed<\/td>\n 2\u20133\u00d7<\/td>\n 3\u20134\u00d7<\/td>\n<\/tr>\n \n Odolnost v\u016f\u010di vod\u011b\/bl\u00e1tu<\/td>\n Dobr\u00fd<\/td>\n Lep\u0161\u00ed (dvoustrann\u00fd b\u0159it odoln\u011bj\u0161\u00ed)<\/td>\n<\/tr>\n \n Kompatibilita ozuben\u00fdch kol<\/td>\n Stejn\u00e9 jako standardn\u00ed, stejn\u00e9 velikosti<\/td>\n Stejn\u00e9 jako standardn\u00ed, stejn\u00e9 velikosti<\/td>\n<\/tr>\n \n Po\u017eadavek na \u010disti\u010d<\/td>\n Pouze bezpe\u010dn\u00e9 pro O-krou\u017eky<\/td>\n Pouze bezpe\u010dn\u00e9 pro O-krou\u017eky<\/td>\n<\/tr>\n \n Jednotkov\u00e1 cena (relativn\u00ed)<\/td>\n St\u0159edn\u00ed<\/td>\n St\u0159edn\u011b vysok\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n <\/p>\n
Pro\u010d \u0159et\u011bzy X-Ring vykazuj\u00ed vy\u0161\u0161\u00ed pevnost v tahu<\/h2>\n
P\u0159i pohledu na tabulky specifikac\u00ed vykazuj\u00ed \u0159et\u011bzy s X-krou\u017eky konzistentn\u011b vy\u0161\u0161\u00ed pevnost v tahu ne\u017e \u0159et\u011bzy s O-krou\u017eky ve stejn\u00e9 rozte\u010di: nap\u0159\u00edklad 520H-X p\u0159i 34,0 kN oproti 520H-O p\u0159i 28,0 kN. Tento rozd\u00edl nen\u00ed zp\u016fsoben samotnou geometri\u00ed t\u011bsn\u011bn\u00ed \u2013 u\u017e\u0161\u00ed kontakt X-krou\u017eku p\u0159\u00edmo nep\u0159id\u00e1v\u00e1 struktur\u00e1ln\u00ed pevnost desti\u010dk\u00e1m \u0159et\u011bzu.<\/p>\n
Rozd\u00edl v tahu vypl\u00fdv\u00e1 z v\u00fdb\u011bru tlou\u0161\u0165ky desky. \u0158et\u011bzy s X-krou\u017eky v na\u0161\u00ed nab\u00eddce se vyr\u00e1b\u011bj\u00ed podle specifikace desky t\u0159\u00eddy H, kter\u00e1 je optimalizov\u00e1na pro geometrii dr\u00e1\u017eky t\u011bsn\u011bn\u00ed X-krou\u017eky \u2013 t\u011b\u017e\u0161\u00ed desky se p\u0159izp\u016fsob\u00ed v\u011bt\u0161\u00edmu profilu dr\u00e1\u017eky t\u011bsn\u011bn\u00ed a z\u00e1rove\u0148 si zachovaj\u00ed po\u017eadovanou tuhost vn\u011bj\u0161\u00ed desky \u010dl\u00e1nku. V\u00fdsledkem je, \u017ee varianty s t\u011bsn\u011bn\u00edm X-krou\u017eky v \u0159ad\u011b s rozte\u010d\u00ed 520\u2013530 maj\u00ed jak t\u011bsnic\u00ed v\u00fdhody geometrie X-krou\u017ek\u016f, tak struktur\u00e1ln\u00ed v\u00fdhody t\u011b\u017e\u0161\u00edch desti\u010dek.<\/p>\n
\nPraktick\u00e9 d\u016fsledky:<\/strong> Pokud je pro v\u00fdkon va\u0161eho motoru d\u016fle\u017eit\u00e1 pevnost v tahu \u0159et\u011bzu \u2013 a\u0165 u\u017e jde o vysoce v\u00fdkonn\u00fd silni\u010dn\u00ed motocykl nebo zat\u00ed\u017een\u00fd dobrodru\u017en\u00fd stroj \u2013 varianta s X-krou\u017eky ve stejn\u00e9 rozte\u010di poskytuje lep\u0161\u00ed t\u011bsn\u011bn\u00ed i lep\u0161\u00ed struktur\u00e1ln\u00ed parametry. Neplat\u00edte jen za vylep\u0161en\u00ed geometrie t\u011bsn\u011bn\u00ed; siln\u011bj\u0161\u00ed tlou\u0161\u0165ka desti\u010dky je dal\u0161\u00edm vylep\u0161en\u00edm.<\/p>\n<\/div>\n
<\/p>\n
Rozd\u00edly ve v\u00fdkonu v re\u00e1ln\u00e9m sv\u011bt\u011b \u2013 t\u0159i profily jezdc\u016f<\/h2>\n
\n\n\ud83d\udef5<\/div>\n\nM\u011bstsk\u00e9 doj\u00ed\u017ed\u011bn\u00ed, 150\u2013250 cm3, 8 000 km\/rok, p\u0159ev\u00e1\u017en\u011b zpevn\u011bn\u00e9 silnice<\/h3>\n
O-krou\u017eek (428H-O) je v tomto p\u0159\u00edpad\u011b tou spr\u00e1vnou volbou. J\u00edzda ve m\u011bst\u011b s pravidelnou \u00fadr\u017ebou ka\u017ed\u00fdch 600\u2013800 km na \u010dist\u00fdch zpevn\u011bn\u00fdch silnic\u00edch je p\u0159esn\u011b t\u00edm stavem, kdy O-krou\u017eek funguje dob\u0159e a maximalizuje svou cenovou v\u00fdhodu oproti X-krou\u017eku. Ni\u017e\u0161\u00ed jednotkov\u00e1 cena O-krou\u017eku znamen\u00e1, \u017ee i kdy\u017e jej vym\u011bn\u00edte o n\u011bco d\u0159\u00edve ne\u017e X-krou\u017eek, celkov\u00e9 ro\u010dn\u00ed n\u00e1klady na \u0159et\u011bz jsou konkurenceschopn\u00e9. T\u0159ec\u00ed v\u00fdhoda X-krou\u017eku 20% nen\u00ed p\u0159i t\u00e9to \u00farovni v\u00fdkonu a profilu kilometr\u016f prakticky relevantn\u00ed.<\/p>\n
Doporu\u010deno: 428H-O<\/div>\n<\/div>\n<\/div>\n\n\ud83c\udfcd\ufe0f<\/div>\n\nV\u00edkendov\u00fd jezdec, sportovn\u00ed motorka o objemu 600 ccm, 12 000 km\/rok, sm\u00ed\u0161en\u00e9 podm\u00ednky<\/h3>\n
V tomto profilu se X-ring (520H-X) za\u010d\u00edn\u00e1 vypl\u00e1cet vy\u0161\u0161\u00ed cena. Jezdec sportovn\u00edho motocyklu, kter\u00fd ro\u010dn\u011b najede 12 000 km na sm\u00ed\u0161en\u00fdch silni\u010dn\u00edch podm\u00ednk\u00e1ch \u2013 v\u010detn\u011b de\u0161t\u011b, ob\u010dasn\u00fdch j\u00edzd po d\u00e1lnici a energick\u00e9ho v\u00edkendov\u00e9ho provozu \u2013 t\u011b\u017e\u00ed z del\u0161\u00edch mazac\u00edch interval\u016f a odoln\u011bj\u0161\u00edho t\u011bsn\u011bn\u00ed X-ringu. Tahov\u00e1 pevnost 34,0 kN u 520H-X oproti 28,0 kN u 520H-O tak\u00e9 poskytuje pohodln\u011bj\u0161\u00ed rezervu p\u0159i vy\u0161\u0161\u00edm zat\u00ed\u017een\u00ed motoru o objemu 600 ccm p\u0159i j\u00edzd\u011b na trati nebo p\u0159i agresivn\u00ed j\u00edzd\u011b po silnici.<\/p>\n
Doporu\u010deno: 520H-X<\/div>\n<\/div>\n<\/div>\n\n\ud83d\uddfa\ufe0f<\/div>\n\nAdventure Tourer, 1000 ccm+, 20 000 km\/rok, sekce pro d\u00e9\u0161\u0165 a \u0161t\u011brk<\/h3>\n
P\u0159i 20 000 km ro\u010dn\u011b na sm\u00ed\u0161en\u00e9m povrchu je X-ring (530H-X nebo 525H-X) jednozna\u010dn\u011b lep\u0161\u00ed specifikac\u00ed. Dvoub\u0159it\u00e9 t\u011bsn\u011bn\u00ed l\u00e9pe odol\u00e1v\u00e1 trval\u00e9mu de\u0161ti a pravideln\u00e9mu vystaven\u00ed \u0161t\u011brku a prachu p\u0159i dobrodru\u017en\u00fdch j\u00edzd\u00e1ch. Prodlou\u017een\u00e9 intervaly maz\u00e1n\u00ed 800\u20131 200 km znamenaj\u00ed m\u00e9n\u011b servisn\u00edch zast\u00e1vek na dlouh\u00e9 cest\u011b. U t\u011b\u017e\u0161\u00edch stroj\u016f, kter\u00e9 ujedou tento druh ro\u010dn\u00edho kilometru, zva\u017ete dal\u0161\u00ed upgrade na Super X-ring (530-SX p\u0159i 43,0 kN) pro maxim\u00e1ln\u00ed servisn\u00ed intervaly 1 000\u20131 500 km.<\/p>\n
Doporu\u010deno: 530H-X nebo 530-SX<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/p>\n<\/p>\n
Pravidla \u00fadr\u017eby pro oba typy<\/h2>\n
\u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky vy\u017eaduj\u00ed stejn\u00fd p\u0159\u00edstup k \u010di\u0161t\u011bn\u00ed a maz\u00e1n\u00ed \u2013 rozd\u00edl je pouze v tom, jak \u010dasto. Oba typy vy\u017eaduj\u00ed:<\/p>\n
\n\n\u010ci\u0161t\u011bn\u00ed<\/h3>\n
- \n
- \u2192<\/span>Pou\u017e\u00edvejte pouze \u010disti\u010d \u0159et\u011bz\u016f bezpe\u010dn\u00fd pro O-krou\u017eky nebo X-krou\u017eky.<\/li>\n
- \u2192<\/span>Nikdy nepou\u017e\u00edvejte petrolej, benz\u00edn ani b\u011b\u017en\u00e9 odma\u0161\u0165ova\u010de \u2013 guma NBR se p\u0159i kontaktu degraduje<\/li>\n
- \u2192<\/span>M\u011bkk\u00fd kart\u00e1\u010d odstra\u0148uje ne\u010distoty z vozovky mezi spojovac\u00edmi deskami, ani\u017e by po\u0161kozoval t\u011bsn\u011bn\u00ed<\/li>\n
- \u2192<\/span>P\u0159ed nanesen\u00edm maziva nechte zcela zaschnout<\/li>\n<\/ul>\n<\/div>\n
\nMaz\u00e1n\u00ed<\/h3>\n
- \n
- \u2192<\/span>Aplikujte na vnit\u0159n\u00ed plochy \u0159et\u011bzu (strana v\u00e1le\u010dk\u016f), nikoli na vn\u011bj\u0161\u00ed desti\u010dky<\/li>\n
- \u2192<\/span>Pou\u017e\u00edvejte vosk, mokr\u00e9 nebo such\u00e9 mazivo ur\u010den\u00e9 pro \u0159et\u011bzy \u2013 ne univerz\u00e1ln\u00ed olej<\/li>\n
- \u2192<\/span>Po umyt\u00ed motocyklu v\u017edy proma\u017ete \u2013 voda vytla\u010duje povrchov\u00e9 mazivo<\/li>\n
- \u2192<\/span>O-krou\u017eek: ka\u017ed\u00fdch 600\u20131 000 km. X-krou\u017eek: ka\u017ed\u00fdch 800\u20131 200 km<\/li>\n<\/ul>\n<\/div>\n
\nInspekce<\/h3>\n
- \n
- \u2192<\/span>Zkontrolujte pevn\u00e9 spoje \u2013 jak\u00fdkoli spoj, kter\u00fd se voln\u011b neoh\u00fdb\u00e1, nazna\u010duje po\u0161kozen\u00ed sestavy nebo such\u00fd spoj.<\/li>\n
- \u2192<\/span>P\u0159i ka\u017ed\u00e9m servisu kontrolujte t\u011bsn\u011bn\u00ed \u2013 praskl\u00e9, chyb\u011bj\u00edc\u00ed nebo ploch\u00e9 t\u011bsn\u011bn\u00ed znamen\u00e1, \u017ee je nutn\u00e1 v\u00fdm\u011bna.<\/li>\n
- \u2192<\/span>Zm\u011b\u0159te d\u00e9lku 20 \u010dl\u00e1nk\u016f: rozte\u010d 15,875 mm, vym\u011b\u0148te p\u0159i 327 mm; 12,70 mm, vym\u011b\u0148te p\u0159i 261,6 mm<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
<\/p>\n
Vyrobeno dle JIS B 1801 \u2013 Zkou\u0161eno v tahu \u0161ar\u017ee<\/h2>\n
\u0158et\u011bzy s O-krou\u017eky i X-krou\u017eky v \u0159ad\u011b Korea Ever-Power proch\u00e1zej\u00ed stejnou kontrolou kvality: certifikace vstupn\u00ed oceli, zaznamen\u00e1v\u00e1n\u00ed teploty cementace, ov\u011b\u0159en\u00ed rozm\u011br\u016f podle m\u011br JIS B 1801, zkou\u0161ka tahem ka\u017ed\u00e9 v\u00fdrobn\u00ed \u0161ar\u017ee a kontrola kloub\u016f p\u0159ed zabalen\u00edm.<\/p>\n
\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\nKorea Ever-Power Motorcycle Chain Co., Ltd. \u2014 v\u00fdroba s certifikac\u00ed ISO 9001<\/p>\n
<\/p>\n
\n\u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky \u2013 v\u0161echny rozte\u010de skladem<\/h2>\n
Ob\u011b \u0159ady ut\u011bsn\u011bn\u00fdch \u0159et\u011bz\u016f jsou skladem v rozte\u010di 428, 520, 525 a 530. Odesl\u00e1n\u00ed do 3\u20137 pracovn\u00edch dn\u016f. Bez minim\u00e1ln\u00ed objedn\u00e1vky \u2013 p\u0159ij\u00edm\u00e1me i jednotliv\u00e9 \u0159et\u011bzy.<\/p>\n
\n\u0158et\u011bz s t\u011bsn\u011bn\u00edm O-krou\u017ekem<\/div>\n415H-O \u00b7 428H-O \u00b7 520H-O \u00b7 525H-O \u00b7 530H-O
\nInterval maz\u00e1n\u00ed 600\u20131 000 km \u00b7 A\u017e 30,4 kN<\/div>\n<\/p>\n
\u0158et\u011bz s X-krou\u017ekem<\/div>\n428H-X \u00b7 520H-X \u00b7 525H-X \u00b7 530H-X
\nInterval maz\u00e1n\u00ed 800\u20131 200 km \u00b7 A\u017e 34,0 kN<\/div>\n<\/p>\n
Super X-Ring (Dal\u0161\u00ed \u00farove\u0148)<\/div>\n428SX \u00b7 520-SX \u00b7 525-SX \u00b7 530-SX
\nInterval maz\u00e1n\u00ed 1 000\u20131 500 km \u00b7 A\u017e 43,0 kN<\/div>\n<\/p>\n<\/div>\n
Pot\u0159ebujete odpov\u00eddaj\u00edc\u00ed ozuben\u00e1 kola? Motocyklov\u00e1 ozuben\u00e1 kola a sady \u0159et\u011bz\u016f a ozuben\u00fdch kol<\/a> pro v\u0161echna h\u0159i\u0161t\u011b.<\/span>
\nOzuben\u00e1 kola \u2192<\/a><\/div>\n<\/div>\n<\/p>\n
\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n\nMohu p\u0159ej\u00edt z \u0159et\u011bzu s O-krou\u017ekem na \u0159et\u011bz s X-krou\u017ekem bez v\u00fdm\u011bny ozuben\u00fdch kol?+<\/span><\/summary>\n
Ano. \u0158et\u011bzy s O-krou\u017eky a X-krou\u017eky ve stejn\u00e9 z\u00e1kladn\u00ed velikosti (nap\u0159. 520H-O a 520H-X) sd\u00edlej\u00ed stejn\u00e9 rozm\u011bry rozte\u010de a vnit\u0159n\u00ed \u0161\u00ed\u0159ky dle JIS B 1801 a pasuj\u00ed na stejn\u00e1 ozuben\u00e1 kola bez jak\u00e9koli \u00fapravy. \u010cep je u \u0159et\u011bz\u016f s X-krou\u017eky o n\u011bco del\u0161\u00ed, aby se p\u0159izp\u016fsobil \u0161ir\u0161\u00ed dr\u00e1\u017ece t\u011bsn\u011bn\u00ed, ale to neovliv\u0148uje, jak \u0159et\u011bz dosed\u00e1 na zuby ozuben\u00e9ho kola.<\/div>\n<\/details>\n\nM\u00e1 ni\u017e\u0161\u00ed t\u0159en\u00ed X-krou\u017eku m\u011b\u0159iteln\u00fd vliv na v\u00fdkon?+<\/span><\/summary>\n
Sn\u00ed\u017een\u00ed t\u0159en\u00ed mezi t\u011bsn\u011bn\u00edm a t\u011bsnic\u00ed plochou u modelu 20% je m\u011b\u0159iteln\u00e9 na dynamometru za kontrolovan\u00fdch podm\u00ednek. V re\u00e1ln\u00fdch podm\u00ednk\u00e1ch j\u00edzdy na silni\u010dn\u00edm nebo cestovn\u00edm motocyklu nen\u00ed patrn\u00e9 jako rozd\u00edl ve v\u00fdkonu nebo odezv\u011b. Sn\u00ed\u017een\u00ed t\u0159en\u00ed je sp\u00ed\u0161e relevantn\u00ed jako indik\u00e1tor sn\u00ed\u017een\u00e9ho vnit\u0159n\u00edho generov\u00e1n\u00ed tepla na rozhran\u00ed t\u011bsn\u011bn\u00ed \u2013 co\u017e p\u0159isp\u00edv\u00e1 k del\u0161\u00ed \u017eivotnosti t\u011bsn\u011bn\u00ed v pr\u016fb\u011bhu \u010dasu, sp\u00ed\u0161e ne\u017e k znateln\u00e9mu zv\u00fd\u0161en\u00ed v\u00fdkonu.<\/div>\n<\/details>\n\nCo se stane, kdy\u017e k \u010di\u0161t\u011bn\u00ed ut\u011bsn\u011bn\u00e9ho \u0159et\u011bzu pou\u017eiji standardn\u00ed odma\u0161\u0165ova\u010d?+<\/span><\/summary>\n
Rozpou\u0161t\u011bdla na b\u00e1zi ropy zp\u016fsobuj\u00ed bobtn\u00e1n\u00ed NBR pry\u017ee a ztr\u00e1tu jej\u00ed elasticity. T\u011bsn\u011bn\u00ed ztrat\u00ed kompresi, kter\u00e1 vytv\u00e1\u0159\u00ed jeho t\u011bsnic\u00ed s\u00edlu, co\u017e umo\u017en\u00ed, aby se tov\u00e1rn\u00ed mazivo v pr\u016fb\u011bhu n\u011bkolika p\u0159\u00ed\u0161t\u00edch stovek kilometr\u016f dostalo ze spoje. V dob\u011b, kdy \u0159et\u011bz vykazuje m\u011b\u0159iteln\u00e9 prodlou\u017een\u00ed, je po\u0161kozen\u00ed t\u011bsn\u011bn\u00ed ji\u017e d\u00e1vno dokon\u010deno. Toto je nevratn\u00e9 \u2013 jakmile t\u011bsn\u011bn\u00ed ztrat\u00ed funkci, \u0159et\u011bz se chov\u00e1 jako neut\u011bsn\u011bn\u00fd \u0159et\u011bz, i kdy\u017e se zven\u010d\u00ed st\u00e1le jev\u00ed jako neporu\u0161en\u00fd.<\/div>\n<\/details>\n\nJe Super X-ring jen dra\u017e\u0161\u00ed X-ring, nebo m\u00e1 jin\u00fd design?+<\/span><\/summary>\n
Super X-ring (SX) m\u00e1 odli\u0161nou konstrukci t\u011bsn\u011bn\u00ed \u2013 \u0161ir\u0161\u00ed pr\u016f\u0159ez se t\u0159emi kontaktn\u00edmi b\u0159ity na ka\u017ed\u00e9 stran\u011b nam\u00edsto dvou u X-ringu. To poskytuje t\u0159i nez\u00e1visl\u00e9 t\u011bsnic\u00ed linie na ka\u017ed\u00e9 stran\u011b, co\u017e zaji\u0161\u0165uje dodate\u010dnou redundanci, proto\u017ee vn\u011bj\u0161\u00ed b\u0159ity se postupn\u011b p\u0159izp\u016fsobuj\u00ed povrchu desky v pr\u016fb\u011bhu \u017eivotnosti \u0159et\u011bzu. SX tak\u00e9 umo\u017e\u0148uje del\u0161\u00ed intervaly maz\u00e1n\u00ed 1 000\u20131 500 km. 530-SX dosahuje 43,0 kN \u2013 co\u017e je v\u00fdrazn\u011b v\u00edce ne\u017e ekvivalent X-ring \u2013 d\u00edky kombinaci geometrie t\u011bsn\u011bn\u00ed SX, pouzdra s pln\u00fdm otvorem a specifikace desky t\u0159\u00eddy H.<\/div>\n<\/details>\n\nJak pozn\u00e1m, kdy je pot\u0159eba vym\u011bnit ut\u011bsn\u011bn\u00fd \u0159et\u011bz?+<\/span><\/summary>\n
Zm\u011b\u0159te 20 po sob\u011b jdouc\u00edch \u010dl\u00e1nk\u016f od st\u0159edu \u010depu k st\u0159edu \u010depu pod m\u00edrn\u00fdm nap\u011bt\u00edm. Pro rozte\u010d 15,875 mm (\u0159ada 520\/525\/530) je jmenovit\u00e1 d\u00e9lka 20 \u010dl\u00e1nk\u016f 317,5 mm \u2013 vym\u011b\u0148te, kdy\u017e m\u011b\u0159\u00ed 327 mm nebo v\u00edce. Pro rozte\u010d 12,70 mm (\u0159ada 428) je jmenovit\u00e1 d\u00e9lka 254,0 mm \u2013 vym\u011b\u0148te p\u0159i 261,6 mm. Vym\u011b\u0148te tak\u00e9, pokud zjist\u00edte praskl\u00e1 nebo chyb\u011bj\u00edc\u00ed t\u011bsn\u011bn\u00ed, jak\u00fdkoli tuh\u00fd \u010dl\u00e1nek, kter\u00fd se voln\u011b neoh\u00fdb\u00e1, nebo pokud lze \u0159et\u011bz vyt\u00e1hnout ze zadn\u00edho pastorku tak, \u017ee se odhal\u00ed v\u00edce ne\u017e polovina ko\u0159ene zubu.<\/div>\n<\/details>\n<\/div>\n<\/p>\n
\nP\u0159ipraveni objednat ut\u011bsn\u011bn\u00fd \u0159et\u011bz?<\/h2>\n
Spole\u010dnost Korea Ever-Power m\u00e1 skladem \u0159et\u011bzy s t\u011bsn\u011bn\u00edm O-krou\u017ekem i X-krou\u017ekem v rozte\u010di 428, 520, 525 a 530, kter\u00e9 jsou testov\u00e1ny v tahu v d\u00e1vk\u00e1ch a spl\u0148uj\u00ed normu JIS B 1801 u ka\u017ed\u00e9 z\u00e1silky. Za\u0161lete n\u00e1m \u010d\u00edslo \u0159et\u011bzu a my v\u00e1m p\u0159ed objedn\u00e1n\u00edm potvrd\u00edme spr\u00e1vnou specifikaci.<\/p>\n
- \u2192<\/span>P\u0159i ka\u017ed\u00e9m servisu kontrolujte t\u011bsn\u011bn\u00ed \u2013 praskl\u00e9, chyb\u011bj\u00edc\u00ed nebo ploch\u00e9 t\u011bsn\u011bn\u00ed znamen\u00e1, \u017ee je nutn\u00e1 v\u00fdm\u011bna.<\/li>\n
- \u2192<\/span>Pou\u017e\u00edvejte vosk, mokr\u00e9 nebo such\u00e9 mazivo ur\u010den\u00e9 pro \u0159et\u011bzy \u2013 ne univerz\u00e1ln\u00ed olej<\/li>\n
- \u2192<\/span>Nikdy nepou\u017e\u00edvejte petrolej, benz\u00edn ani b\u011b\u017en\u00e9 odma\u0161\u0165ova\u010de \u2013 guma NBR se p\u0159i kontaktu degraduje<\/li>\n
- \u25b8<\/span>520H-X:<\/strong> Rozte\u010d 15,875 mm \u00b7 34,0 kN \u00b7 1,21 kg\/m \u00b7 Dvoub\u0159it\u00fd X-krou\u017eek<\/li>\n
- \u25b8<\/span>520H-O:<\/strong> Rozte\u010d 15,875 mm \u00b7 28,0 kN \u00b7 1,14 kg\/m \u00b7 Pln\u00fd otvor<\/li>\n
- \u2713<\/span>Intervaly \u00fadr\u017eby pravideln\u011b p\u0159esahuj\u00ed 800\u20131 200 km<\/li>\n
- \u2713<\/span>Maz\u00e1n\u00ed ka\u017ed\u00fdch 600\u20131 000 km se p\u0159izp\u016fsob\u00ed va\u0161emu stylu j\u00edzdy<\/li>\n