{"id":1886,"date":"2026-04-09T03:17:47","date_gmt":"2026-04-09T03:17:47","guid":{"rendered":"https:\/\/wormwheelgear.top\/?p=1886"},"modified":"2026-04-09T03:18:52","modified_gmt":"2026-04-09T03:18:52","slug":"worm-gear-material-selection-is-a-pairing-decision-not-a-component-decision","status":"publish","type":"post","link":"https:\/\/wormwheelgear.top\/cs\/worm-gear-material-selection-is-a-pairing-decision-not-a-component-decision\/","title":{"rendered":"V\u00fdb\u011br materi\u00e1lu \u0161nekov\u00e9ho p\u0159evodu je rozhodnut\u00ed o p\u00e1rov\u00e1n\u00ed, nikoli rozhodnut\u00ed o komponent\u011b"},"content":{"rendered":"
\n
<\/div>\n
<\/div>\n
\n

S\u00e9rie znalost\u00ed \u00b7 Z\u00e1klady \u0161nekov\u00fdch p\u0159evod\u016f<\/p>\n

\u0160nekov\u00fd p\u0159evod V\u00fdb\u011br materi\u00e1lu<\/span> Je to rozhodnut\u00ed o p\u00e1rov\u00e1n\u00ed, nikoli rozhodnut\u00ed o komponent\u00e1ch<\/h1>\n

S\u00ed\u0165 je tribologick\u00fd syst\u00e9m \u2013 tvrdost h\u0159\u00eddele, slitina kola a stav povrchu vz\u00e1jemn\u011b ovliv\u0148uj\u00ed proces z\u00e1b\u011bhu nebo katastrofick\u00e9 od\u011brky. Nez\u00e1visl\u00e9 ur\u010den\u00ed materi\u00e1lu h\u0159\u00eddele a materi\u00e1lu kola je nej\u010dast\u011bj\u0161\u00ed p\u0159\u00ed\u010dinou p\u0159ed\u010dasn\u00e9ho selh\u00e1n\u00ed \u0161nekov\u00e9ho p\u0159evodu.<\/p>\n

\u2699 Korea Ever-Power Worm Gear Co., Ltd\ud83d\udccd Ansan-si, Gyeonggi-do, Korea\ud83d\udce7 sales@wormwheelgear.top<\/div>\n<\/div>\n<\/section>\n
\n

Proces z\u00e1b\u011bhu: Pro\u010d chemie materi\u00e1lu na kontaktn\u00ed plo\u0161e ur\u010duje \u017eivotnost ozuben\u00e9ho kola<\/h2>\n

P\u0159i mont\u00e1\u017ei a spu\u0161t\u011bn\u00ed nov\u00e9ho \u0161nekov\u00e9ho p\u0159evodu nejsou povrchy bok\u016f zub\u016f dokonale shodn\u00e9. I p\u0159i p\u0159esn\u00e9 v\u00fdrob\u011b jsou mikrodry na obou povr\u0161\u00edch p\u0159i spu\u0161t\u011bn\u00ed v\u011bt\u0161\u00ed ne\u017e tlou\u0161\u0165ka olejov\u00e9ho filmu. Tyto dryy se setk\u00e1vaj\u00ed a plasticky deformuj\u00ed \u2013 proces naz\u00fdvan\u00fd z\u00e1b\u011bh \u2013 dokud nen\u00ed kontaktn\u00ed geometrie dostate\u010dn\u011b hladk\u00e1 pro hydrodynamick\u00e9 maz\u00e1n\u00ed, kter\u00e9 by povrchy zcela odd\u011blilo.<\/p>\n

Zda z\u00e1b\u011bh prob\u011bhne spr\u00e1vn\u011b, nebo se zvrhne v od\u011br, z\u00e1vis\u00ed v\u00fdhradn\u011b na p\u00e1rov\u00e1n\u00ed materi\u00e1l\u016f v m\u00edst\u011b kontaktu. P\u0159i spr\u00e1vn\u00e9m p\u00e1rov\u00e1n\u00ed se m\u011bk\u010d\u00ed materi\u00e1l kola za studena tvaruje a p\u0159izp\u016fsob\u00ed tvrd\u0161\u00edmu z\u00e1vitu h\u0159\u00eddele, \u010d\u00edm\u017e vytvo\u0159\u00ed hladkou, deforma\u010dn\u011b zpevn\u011bnou kontaktn\u00ed z\u00f3nu. P\u0159i nespr\u00e1vn\u00e9m p\u00e1rov\u00e1n\u00ed \u2013 nespr\u00e1vn\u00fd rozd\u00edl tvrdosti, nespr\u00e1vn\u00e9 chemick\u00e9 slo\u017een\u00ed slitiny kola, nedostate\u010dn\u00e1 tvrdost h\u0159\u00eddele \u2013 generuj\u00ed nerovnosti kontakt\u016f lok\u00e1ln\u00ed teploty p\u0159eh\u0159\u00e1t\u00ed, kter\u00e9 p\u0159ekra\u010duj\u00ed prahovou hodnotu adheze. Kov se p\u0159en\u00e1\u0161\u00ed z jednoho povrchu na druh\u00fd. P\u0159enesen\u00fd kov vytv\u00e1\u0159\u00ed abrazivn\u00ed \u010d\u00e1stice. Pohon se b\u011bhem n\u011bkolika t\u00fddn\u016f opot\u0159ebov\u00e1v\u00e1.<\/p>\n

\n

Pro\u010d je to rozhodnut\u00ed o p\u00e1rov\u00e1n\u00ed:<\/strong> Materi\u00e1l h\u0159\u00eddele ur\u010duje tvrdost, kter\u00e9 mus\u00ed materi\u00e1l kola odpov\u00eddat. Materi\u00e1l kola ur\u010duje vlastnosti proti od\u011bru, kter\u00e9 mus\u00ed povrch h\u0159\u00eddele podporovat. Spr\u00e1vn\u00fd v\u00fdb\u011br jednoho a \u0161patn\u00fd v\u00fdb\u011br druh\u00e9ho vede ke stejn\u00e9mu selh\u00e1n\u00ed jako chybn\u00fd v\u00fdb\u011br obou.<\/p>\n<\/div>\n

\n

\"Kontaktn\u00ed<\/p>\n

Kluzn\u00fd kontakt mezi bokem z\u00e1vitu \u0161neku a \u010delem zubu kola pracuje p\u0159i vysok\u00e9 kluzn\u00e9 rychlosti (0,5\u201315 m\/s) s velk\u00fdm rozd\u00edlem tvrdosti \u2013 tribologick\u00fd syst\u00e9m, kter\u00fd vy\u017eaduje spr\u00e1vn\u00e9 p\u00e1rov\u00e1n\u00ed materi\u00e1l\u016f.<\/p>\n<\/div>\n

\n

V\u00fdb\u011br materi\u00e1lu \u0161nekov\u00e9 h\u0159\u00eddele \u2013 v\u00fdvoj jakosti oceli<\/h2>\n

V\u00fdb\u011br materi\u00e1lu \u0161nekov\u00e9ho h\u0159\u00eddele je funkc\u00ed t\u0159\u00ed po\u017eadavk\u016f: tvrdost povrchu pro ochranu proti od\u011bru v z\u00e1b\u011bru, hou\u017eevnatost j\u00e1dra pro odolnost v\u016f\u010di r\u00e1zov\u00e9mu zat\u00ed\u017een\u00ed a \u00fanav\u011b materi\u00e1lu a kalitelnost \u2013 hloubka, do kter\u00e9 lze dos\u00e1hnout tvrdosti tepeln\u00fdm zpracov\u00e1n\u00edm.<\/p>\n

\n
\n
\n
C45<\/span>
\n45\u201355HRC<\/span><\/div>\n
<\/div>\n<\/div>\n
\n
D1 Lehk\u00e1 u\u017eitkov\u00e1 vozidla<\/div>\n

Ocel C45 \u2013 povrchov\u00e1 tvrdost 45\u201355 HRC<\/h4>\n

Z\u00e1kladn\u00ed specifikace pro lehk\u00e9 \u0161nekov\u00e9 h\u0159\u00eddele. C45 po kalen\u00ed dosahuje povrchov\u00e9 tvrdosti pouze 42\u201348 HRC \u2013 nedostate\u010dn\u00e9 pro ochranu proti od\u011bru u c\u00ednov\u00e9 bronzy p\u0159i kluzn\u00fdch rychlostech nad 2 m\/s. Induk\u010dn\u00ed kalen\u00ed bok\u016f z\u00e1vitu zvy\u0161uje povrchovou tvrdost na 50\u201355 HRC, co\u017e je minimum p\u0159ijateln\u00e9 pro standardn\u00ed \u0161nekov\u00e9 pohony. Omezen\u00edm C45 je n\u00edzk\u00fd obsah leguj\u00edc\u00edch l\u00e1tek \u2013 prokalitelnost je mal\u00e1. P\u0159ijateln\u00e1 pro lehk\u00e9 aplikace s n\u00edzk\u00fdm r\u00e1zov\u00fdm nam\u00e1h\u00e1n\u00edm p\u0159i st\u0159edn\u00edch kluzn\u00fdch rychlostech.<\/p>\n<\/div>\n<\/div>\n

\n
\n
40Cr<\/span>
\n50\u201356HRC<\/span><\/div>\n
<\/div>\n<\/div>\n
\n
D1\u2013D2 St\u0159edn\u00ed zat\u00ed\u017een\u00ed<\/div>\n

Ocel 40Cr \u2013 povrchov\u00e1 tvrdost 50\u201356HRC<\/h4>\n

Standardn\u00ed specifikace legovan\u00e9 oceli pro st\u0159edn\u011b t\u011b\u017ek\u00e9 \u0161nekov\u00e9 pohony. P\u0159\u00eddavek chromu 1% poskytuje podstatn\u011b vy\u0161\u0161\u00ed kalitelnost ne\u017e C45 \u2013 h\u0159\u00eddel 40Cr kalen\u00e1 na 50\u201356 HRC si zachov\u00e1v\u00e1 tuto tvrdost v cel\u00e9m pr\u016f\u0159ezu typick\u00fdch pr\u016fm\u011br\u016f \u0161nekov\u00fdch h\u0159\u00eddel\u00ed (20\u201380 mm). T\u00edm se eliminuje p\u0159echodov\u00e9 selh\u00e1n\u00ed j\u00e1dra sk\u0159\u00edn\u011b, kter\u00e9 postihuje induk\u010dn\u011b kalen\u00e9 h\u0159\u00eddele C45 p\u0159i r\u00e1zov\u00e9m zat\u00ed\u017een\u00ed. V\u00fdchoz\u00ed specifikace pro standardn\u00ed \u0161nekov\u00e9 p\u0159evodovky z legovan\u00e9 oceli od spole\u010dnosti Korea Ever-Power \u2013 spr\u00e1vn\u00e1 specifikace pro pohony dopravn\u00edk\u016f, zem\u011bd\u011blsk\u00e9 stroje a pr\u016fmyslovou automatizaci p\u0159i st\u0159edn\u00edch pracovn\u00edch cyklech.<\/p>\n<\/div>\n<\/div>\n

\n
\n
SCM415<\/span>
\n58\u201362HRC<\/span><\/div>\n
<\/div>\n<\/div>\n
\n
D2\u2013D3 Vysoce odoln\u00e9<\/div>\n

Ocel SCM415 \u2013 povrchov\u00e1 tvrdost 58\u201362 HRC<\/h4>\n

Pr\u00e9miov\u00e1 specifikace pro vysoce v\u00fdkonn\u00e9 \u0161nekov\u00e9 pohony, kde je vy\u017eadov\u00e1no r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed, nep\u0159etr\u017eit\u00fd provoz s vysok\u00fdm to\u010div\u00fdm momentem nebo maxim\u00e1ln\u00ed \u017eivotnost. Proces cementace difunduje uhl\u00edk do povrchov\u00e9 vrstvy do hloubky 0,8\u20131,5 mm, \u010d\u00edm\u017e vytv\u00e1\u0159\u00ed tvrd\u00fd martenzitick\u00fd povrch o tvrdosti 58\u201362 HRC, zat\u00edmco j\u00e1dro si zachov\u00e1v\u00e1 p\u016fvodn\u00ed n\u00edzkouhl\u00edkovou hou\u017eevnatost. D\u016fle\u017eit\u00fd detail: z\u00e1vit je brou\u0161en po<\/em> cementace, ne p\u0159ed n\u00ed. Brou\u0161en\u00ed po cementaci zaji\u0161\u0165uje, \u017ee kone\u010dn\u00e1 tvrdost a geometrie spl\u0148uj\u00ed specifika\u010dn\u00ed hodnoty sou\u010dasn\u011b.<\/p>\n<\/div>\n<\/div>\n

\n
\n
42CrMo<\/span>
\n54\u201358HRC<\/span><\/div>\n
<\/div>\n<\/div>\n
\n
D3 Vysoce odoln\u00fd \u2013 Velk\u00fd profil<\/div>\n

Ocel 42CrMo \u2013 povrchov\u00e1 tvrdost 54\u201358HRC<\/h4>\n

Pro \u0161nekov\u00e9 h\u0159\u00eddele s velk\u00fdm pr\u016f\u0159ezem a vysok\u00fdm to\u010div\u00fdm momentem (obvykle modul M8 a vy\u0161\u0161\u00ed), kde je hloubka cementa\u010dn\u00edho pouzdra nepraktick\u00e1 vzhledem k velikosti pr\u016f\u0159ezu. Kalen\u00fd 42CrMo na 54\u201358 HRC poskytuje konzistentn\u011bj\u0161\u00ed tvrdost v cel\u00e9m pr\u016f\u0159ezu zubu ne\u017e cementovan\u00e9 pouzdro na velk\u00e9m substr\u00e1tu. Pevnost v tahu p\u0159i t\u00e9to tvrdosti: p\u0159ibli\u017en\u011b 1 700\u20131 900 MPa. Vhodn\u00e9 pro aplikace s vysok\u00fdm to\u010div\u00fdm momentem p\u0159i velk\u00e9m modulu.<\/p>\n<\/div>\n<\/div>\n

\n
\n
SS316<\/span>
\n28\u201334 hodin denn\u011b<\/span><\/div>\n<\/div>\n
\n
Speci\u00e1ln\u00ed prost\u0159ed\u00ed \u2013 Potraviny \/ N\u00e1mo\u0159n\u00ed pr\u016fmysl<\/div>\n

Ocel SS316 \u2013 povrchov\u00e1 tvrdost 28\u201334 HRC<\/h4>\n

Materi\u00e1l, kter\u00fd je nutn\u00e9 specifikovat, pokud je prim\u00e1rn\u00edm omezen\u00edm odolnost proti korozi, shoda s po\u017eadavky na bezpe\u010dnost potravin nebo mo\u0159sk\u00e9 prost\u0159ed\u00ed. Povrchov\u00e1 tvrdost 28\u201334 HRC je v\u00fdrazn\u011b ni\u017e\u0161\u00ed ne\u017e u kter\u00e9koli z v\u00fd\u0161e uveden\u00fdch t\u0159\u00edd legovan\u00e9 oceli. Tato ni\u017e\u0161\u00ed tvrdost znamen\u00e1 ni\u017e\u0161\u00ed odolnost povrchu proti \u00fanav\u011b a ni\u017e\u0161\u00ed odolnost proti od\u011bru na jednotku kluzn\u00e9 rychlosti. Kompenzujte to: udr\u017eov\u00e1n\u00edm kluzn\u00e9 rychlosti pod 4 m\/s; pou\u017eit\u00edm maziva NSF H1 PAO; a potvrzen\u00edm, \u017ee konstruk\u010dn\u00ed kroutic\u00ed moment je v r\u00e1mci sn\u00ed\u017een\u00e9 kapacity sady SS316, sp\u00ed\u0161e ne\u017e p\u0159edpokladem stejn\u00e9 kapacity jako ekvivalentn\u00ed sady legovan\u00e9 oceli.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n

Materi\u00e1l \u0161nekov\u00fdch kol \u2013 \u0161est slitin a jejich oblast pou\u017eit\u00ed<\/h2>\n

\u0160nekov\u00e9 kolo je opot\u0159ebitelnou sou\u010d\u00e1st\u00ed ve spr\u00e1vn\u011b specifikovan\u00e9m \u0161nekov\u00e9m p\u0159evodu. H\u0159\u00eddel je navr\u017eena tak, aby byla v\u00fdrazn\u011b tvrd\u0161\u00ed, tak\u017ee se kolo opot\u0159ebov\u00e1v\u00e1 p\u0159ednostn\u011b \u2013 postupn\u011b se p\u0159izp\u016fsobuje geometrii z\u00e1vitu h\u0159\u00eddele b\u011bhem doby z\u00e1b\u011bhu. Kolo je v podstat\u011b ob\u011btn\u00ed tribologickou sou\u010d\u00e1st\u00ed, jej\u00ed\u017e rychlost opot\u0159eben\u00ed a mechanismus opot\u0159eben\u00ed mus\u00ed b\u00fdt \u0159\u00edzeny v\u00fdb\u011brem materi\u00e1lu.<\/p>\n

\n
\n
ZCuSn10Pb1<\/div>\n
C\u00ednov\u00fd bronz<\/div>\n
Pevnost v tahu<\/span>~220 MPa<\/span><\/div>\n
Tvrdost<\/span>65\u201390 HB<\/span><\/div>\n
Proti od\u011bru<\/span>\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n
Pevnost<\/span>\u2605\u2605\u2606\u2606\u2606<\/span><\/div>\n
Aplikace<\/span>Lehk\u00fd a\u017e st\u0159edn\u00ed provoz, standardn\u00ed<\/span><\/div>\n<\/div>\n
\n
ZCuAl10Fe3<\/div>\n
Al-\u017eelezn\u00fd bronz<\/div>\n
Pevnost v tahu<\/span>~550 MPa<\/span><\/div>\n
Tvrdost<\/span>140\u2013180 HB<\/span><\/div>\n
Proti od\u011bru<\/span>\u2605\u2605\u2605\u2606\u2606<\/span><\/div>\n
Pevnost<\/span>\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n
Aplikace<\/span>Vysok\u00e9 zat\u00ed\u017een\u00ed, r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed<\/span><\/div>\n<\/div>\n
\n
ZCuZn38Mn2Pb2<\/div>\n
Mangan mosaz<\/div>\n
Pevnost v tahu<\/span>~380 MPa<\/span><\/div>\n
Tvrdost<\/span>80\u2013110 HB<\/span><\/div>\n
Proti od\u011bru<\/span>\u2605\u2605\u2605\u2606\u2606<\/span><\/div>\n
Pevnost<\/span>\u2605\u2605\u2605\u2606\u2606<\/span><\/div>\n
Aplikace<\/span>Cenov\u011b citliv\u00fd OEM, st\u0159edn\u00ed zat\u00ed\u017een\u00ed<\/span><\/div>\n<\/div>\n
\n
SS316<\/div>\n
Nerez<\/div>\n
Pevnost v tahu<\/span>~520 MPa<\/span><\/div>\n
Tvrdost<\/span>28\u201334 HRC<\/span><\/div>\n
Proti od\u011bru<\/span>\u2605\u2605\u2606\u2606\u2606<\/span><\/div>\n
Pevnost<\/span>\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n
Aplikace<\/span>Potravinov\u00e1 z\u00f3na 1, pouze p\u0159\u00edm\u00fd kontakt<\/span><\/div>\n<\/div>\n
\n
PA66 Nylon<\/div>\n
Polyamid 66<\/div>\n
Pevnost v tahu<\/span>~75 MPa<\/span><\/div>\n
Tvrdost<\/span>120 rand\u016f<\/span><\/div>\n
Proti od\u011bru<\/span>\u2605\u2605\u2605\u2605\u2606<\/span><\/div>\n
Pevnost<\/span>Nen\u00ed k dispozici<\/span><\/div>\n
Aplikace<\/span>Lehk\u00fd provoz, n\u00edzk\u00e1 hlu\u010dnost, such\u00e9 mazivo<\/span><\/div>\n<\/div>\n
\n
POM (acetal)<\/div>\n
Polyoxymethylen<\/div>\n
Pevnost v tahu<\/span>~65 MPa<\/span><\/div>\n
Tvrdost<\/span>120 rand\u016f<\/span><\/div>\n
Proti od\u011bru<\/span>\u2605\u2605\u2605\u2605\u2606<\/span><\/div>\n
Pevnost<\/span>Nen\u00ed k dispozici<\/span><\/div>\n
Aplikace<\/span>Pohony p\u0159\u00edstroj\u016f, velmi lehk\u00e9<\/span><\/div>\n<\/div>\n<\/div>\n
\n
\u2699<\/div>\n

Pravidlo kritick\u00e9ho p\u00e1rov\u00e1n\u00ed<\/h3>\n

Aby z\u00e1b\u011bhov\u00fd mechanismus fungoval spr\u00e1vn\u011b, mus\u00ed existovat minim\u00e1ln\u00ed rozd\u00edl tvrdosti mezi povrchem \u0161nekov\u00e9ho h\u0159\u00eddele a materi\u00e1lem \u0161nekov\u00e9ho kola. Nedostate\u010dn\u00fd rozd\u00edl zp\u016fsob\u00ed, \u017ee se oba povrchy vz\u00e1jemn\u011b obru\u0161uj\u00ed, m\u00edsto aby se m\u011bk\u010d\u00ed povrch p\u0159izp\u016fsobil tvrd\u0161\u00edmu.<\/p>\n

\u2699 Pravidlo 1:<\/span> Proti ZCuSn10Pb1 (65\u201390 HB \u2248 7\u20139 HRC) \u2014 \u0160nekov\u00e1 h\u0159\u00eddel mus\u00ed m\u00edt \u2265 45 HRC. To umo\u017e\u0148uje induk\u010dn\u00ed kalen\u00ed minim\u00e1ln\u011b na C45 (50\u201355 HRC).<\/span><\/div>\n
\u2699 Pravidlo 2:<\/span> Proti ZCuAl10Fe3 (140\u2013180 HB \u2248 14\u201318 HRC) \u2014 \u0160nekov\u00e1 h\u0159\u00eddel mus\u00ed m\u00edt tvrdost \u2265 55 HRC. Vy\u017eaduje kalen\u00ed 40Cr (50\u201356 HRC) nebo nejl\u00e9pe cementaci SCM415 (58\u201362 HRC).<\/span><\/div>\n
\u2699 Pravidlo 3:<\/span> V porovn\u00e1n\u00ed s kotou\u010dem z nerezov\u00e9 oceli SS316 (28\u201334 HRC) \u2013 h\u0159\u00eddel z nerezov\u00e9 oceli SS316 je jedin\u00fdm spr\u00e1vn\u00fdm p\u00e1rem. Uhl\u00edkov\u00e1 ocel v porovn\u00e1n\u00ed s kotou\u010dem z nerezov\u00e9 oceli SS316 vytv\u00e1\u0159\u00ed galvanick\u00fd \u010dl\u00e1nek ve vlhk\u00e9m\/potravin\u00e1\u0159sk\u00e9m\/mo\u0159sk\u00e9m prost\u0159ed\u00ed.<\/span><\/div>\n
\u2699 Pravidlo 4:<\/span> Proti nylonov\u00e9mu\/POM kotou\u010di \u2014 Tvrdost h\u0159\u00eddele nen\u00ed ur\u010duj\u00edc\u00edm faktorem, ale povrchov\u00e1 \u00faprava. H\u0159\u00eddel mus\u00ed b\u00fdt brou\u0161ena na Ra \u2264 0,8 \u00b5m. Prokalen\u00e1, aby se zabr\u00e1nilo opot\u0159eben\u00ed abrazivn\u00edmi plastov\u00fdmi \u00falomky.<\/span><\/div>\n

Poru\u0161en\u00ed pravidla 2 je nej\u010dast\u011bj\u0161\u00ed chybou ve specifikaci materi\u00e1lu:<\/strong> Specifikace C45 nebo 40Cr v porovn\u00e1n\u00ed s hlin\u00edkovo-\u017eelezn\u00fdm bronzem je nedostate\u010dn\u00e1 \u2013 tvrdost zub\u016f z hlin\u00edkovo-\u017eelezn\u00e9ho bronzu se bl\u00ed\u017e\u00ed tvrdosti povrchu h\u0159\u00eddele, oba povrchy se obru\u0161uj\u00ed sou\u010dasn\u011b, co\u017e vede k rychl\u00e9 zm\u011bn\u011b rozm\u011br\u016f a katastrofick\u00e9mu stup\u0148ov\u00e1n\u00ed hluku bez postupn\u00e9ho varov\u00e1n\u00ed, kter\u00e9 poskytuje opot\u0159eben\u00ed p\u0159i spr\u00e1vn\u00e9m p\u00e1rov\u00e1n\u00ed.<\/p>\n<\/div>\n

Matice v\u00fdb\u011bru p\u00e1rov\u00e1n\u00ed materi\u00e1l\u016f<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
H\u0159\u00eddel \u2192 Kolo \u2193<\/th>\nIndukce C45
\n50\u201355 HRC<\/th>\n		40Cr a\u017e
\n50\u201356 HRC<\/th>\n		Karbur\u00e1tor SCM415.
\n58\u201362 HRC<\/th>\n		42CrMo a\u017e
\n54\u201358 HRC<\/th>\n		SS316
\n28\u201334 HRC<\/th>\n<\/tr>\n<\/thead>\n
ZCuSn10Pb1 c\u00ednov\u00fd bronz<\/td>\n\n
\u2713 P\u0159ijateln\u00e9<\/div>\n
Pouze lehk\u00e1 provozn\u00ed doba<\/div>\n<\/td>\n
\n
\u2713\u2713 Nejlep\u0161\u00ed<\/div>\n
Standardn\u00ed clo<\/div>\n<\/td>\n
\n
\u2713\u2713 Vynikaj\u00edc\u00ed<\/div>\n
T\u011b\u017ek\u00fd provoz<\/div>\n<\/td>\n
\n
\u2713\u2713 Vynikaj\u00edc\u00ed<\/div>\n
Velk\u00fd modul<\/div>\n<\/td>\n
\n
\u2717 Nen\u00ed ur\u010deno pro korekci prost\u0159ed\u00ed.<\/div>\n<\/td>\n<\/tr>\n
ZCuAl10Fe3 Al-\u017delezn\u00fd bronz<\/td>\n\n
\u2717 Nedostate\u010dn\u00e9<\/div>\n
rozd\u00edl tvrdosti.<\/div>\n<\/td>\n
\n
\u26a0 Margin\u00e1ln\u00ed<\/div>\n
Zabra\u0148te r\u00e1zov\u00e9mu zat\u00ed\u017een\u00ed<\/div>\n<\/td>\n
\n
\u2713\u2713 Spr\u00e1vn\u00e9<\/div>\n
N\u00e1razov\u00e1 povinnost<\/div>\n<\/td>\n
\n
\u2713\u2713 Spr\u00e1vn\u00e9<\/div>\n
T\u011b\u017ek\u00e1 sekce<\/div>\n<\/td>\n
\n
Nen\u00ed k dispozici<\/div>\n<\/td>\n<\/tr>\n
ZCuZn38Mn2Pb2 Mn mosaz<\/td>\n\n
\u2713 Lehk\u00e1 provozn\u00ed doba<\/div>\n<\/td>\n
\n
\u2713\u2713 St\u0159edn\u00ed zat\u00ed\u017een\u00ed<\/div>\n<\/td>\n
\n
\u2713\u2713 Vysoce odoln\u00e9<\/div>\n<\/td>\n
\n
\u2713 Vysoce odoln\u00e9<\/div>\n<\/td>\n
\n
\u2717 Nen\u00ed ur\u010deno pro korekci.<\/div>\n<\/td>\n<\/tr>\n
Nerezov\u00e1 ocel SS316<\/td>\n\n
\u2717 Galvanick\u00e1 korekce<\/div>\n<\/td>\n
\n
\u2717 Galvanick\u00e1 korekce<\/div>\n<\/td>\n
\n
\u2717 Galvanick\u00e1 korekce<\/div>\n<\/td>\n
\n
\u2717 Galvanick\u00e1 korekce<\/div>\n<\/td>\n
\n
\u2713\u2713 Potraviny\/N\u00e1mo\u0159n\u00ed doprava Z1<\/div>\n<\/td>\n<\/tr>\n
PA66 \/ POM plast<\/td>\n\n
\u2713 Sv\u011btlo<\/div>\n
Nejprve vyle\u0161t\u011bte h\u0159\u00eddel<\/div>\n<\/td>\n
\n
\u2713 Lehk\u00e1 provozn\u00ed doba<\/div>\n<\/td>\n
\n
P\u0159ezbrojen\u00ed<\/div>\n<\/td>\n
\n
P\u0159ezbrojen\u00ed<\/div>\n<\/td>\n
\n
\u2713 Tich\u00e9 su\u0161en\u00ed<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Praktick\u00e1 rozhodovac\u00ed cesta pro nov\u00e9 aplikace<\/h2>\n
\n
\n
1. Je provozn\u00ed prost\u0159ed\u00ed ur\u010den\u00e9 pro v\u00fdrobu potravin (HACCP), pro mo\u0159sk\u00e9 prost\u0159ed\u00ed nebo pro korozivn\u00ed oplachov\u00e1n\u00ed?<\/div>\n
\n
ANO \u2192 h\u0159\u00eddel SS316 + kolo SS316 (Z1) nebo h\u0159\u00eddel SS316 + kolo z c\u00ednov\u00e9 bronzy (Z2)<\/div>\n
NE \u2192 pokra\u010dujte ot\u00e1zkou 2<\/div>\n<\/div>\n<\/div>\n
\n
2. Je v aplikaci zat\u00ed\u017eeno v\u00fdrazn\u00fdm r\u00e1zov\u00fdm zat\u00ed\u017een\u00edm (p\u0159\u00edm\u00fd rozb\u011bh motoru p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed, ob\u010dasn\u00e9 r\u00e1zy z procesu)?<\/div>\n
\n
ANO \u2192 Cementovan\u00e1 h\u0159\u00eddel SCM415 + kolo z hlin\u00edkov\u00e9ho bronzu ZCuAl10Fe3<\/div>\n
NE \u2192 pokra\u010dujte ot\u00e1zkou 3<\/div>\n<\/div>\n<\/div>\n
\n
3. Je trval\u00fd to\u010div\u00fd moment vy\u0161\u0161\u00ed ne\u017e 300 Nm nebo pracovn\u00ed cyklus vy\u0161\u0161\u00ed ne\u017e 70%?<\/div>\n
\n
ANO \u2192 Kalen\u00e1 h\u0159\u00eddel 40Cr + kolo z c\u00ednov\u011b bronzov\u00e9ho materi\u00e1lu ZCuSn10Pb1 (D2)<\/div>\n
NE \u2192 C45 induk\u010dn\u00ed h\u0159\u00eddel + kolo z c\u00ednu ZCuSn10Pb1 p\u0159ijateln\u00e9 (D1)<\/div>\n<\/div>\n<\/div>\n
\u2192 Ov\u011b\u0159te, zda rozd\u00edl tvrdosti spl\u0148uje v\u00fd\u0161e uveden\u00e1 pravidla p\u00e1rov\u00e1n\u00ed. P\u0159ed objedn\u00e1n\u00edm poskytn\u011bte spole\u010dnosti Korea Ever-Power podrobnosti o pou\u017eit\u00ed pro potvrzen\u00ed materi\u00e1lu.<\/div>\n<\/div>\n<\/div>\n
\n
\n
\n

Korejsk\u00e9 produkty Ever-Power<\/span><\/p>\n

\u0160nekov\u00e9 p\u0159evody podle materi\u00e1lov\u00e9 specifikace<\/h2>\n<\/div>\n
\n
\n
\"Sada<\/div>\n
\n
Standardn\u00ed p\u00e1rov\u00e1n\u00ed \u00b7 D1\u2013D2<\/div>\n
Sada \u0161nekov\u00fdch p\u0159evod\u016f a \u0161nekov\u00fdch kol z legovan\u00e9 oceli<\/div>\n
Kalen\u00e1 \u0161nekov\u00e1 h\u0159\u00eddel 40Cr ve spojen\u00ed s kolem z c\u00ednov\u00e9ho bronzu ZCuSn10Pb1 p\u0159edstavuje standardn\u00ed specifikaci pro st\u0159edn\u00ed zat\u00ed\u017een\u00ed \u2013 spr\u00e1vnou kombinaci pro v\u011bt\u0161inu pr\u016fmyslov\u00fdch pohonn\u00fdch aplikac\u00ed. H\u0159\u00eddel 40Cr dosahuje po kalen\u00ed tvrdosti 50\u201356 HRC, co\u017e poskytuje dostate\u010dn\u00fd rozd\u00edl tvrdosti oproti c\u00ednov\u00e9mu bronzu (65\u201390 HB) pro spolehliv\u00fd z\u00e1b\u011bh a dlouhou \u017eivotnost. N\u00e1b\u011bhov\u00e1 f\u00e1ze kola z c\u00ednov\u00e9ho bronzu zaji\u0161\u0165uje ochranu mezn\u00edho maz\u00e1n\u00ed b\u011bhem rozb\u011bhu a p\u0159eru\u0161ovan\u00e9ho provozu. Pro n\u00e1ro\u010dn\u00e9 aplikace D3 je stejn\u00fd produkt k dispozici s cementovanou h\u0159\u00eddel\u00ed SCM415 (58\u201362 HRC) a kolem z hlin\u00edkovo-\u017eelezn\u00e9ho bronzu ZCuAl10Fe3 \u2013 p\u0159i objedn\u00e1vce uve\u010fte po\u017eadovanou t\u0159\u00eddu zat\u00ed\u017een\u00ed. Materi\u00e1lov\u00e9 certifik\u00e1ty pro h\u0159\u00eddel i kolo jsou sou\u010d\u00e1st\u00ed ka\u017ed\u00e9 sp\u00e1rovan\u00e9 sady.<\/div>\n
\n
H\u0159\u00eddel<\/span>40Cr \u00b7 50\u201356 HRC, kalen\u00e9<\/span><\/div>\n
Kolo<\/span>ZCuSn10Pb1 \u00b7 65\u201390 HB<\/span><\/div>\n
Modul<\/span>M1\u2013M10<\/span><\/div>\n
Rozd\u00edl tvrdosti<\/span>Potvrzeno p\u0159i zad\u00e1n\u00ed objedn\u00e1vky<\/span><\/div>\n<\/div>\n

Zobrazit produkt \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

\n
\"Mosazn\u00fd<\/div>\n
\n
Manganov\u011b mosazn\u00e1 \u00b7 Cenov\u011b v\u00fdhodn\u00e9<\/div>\n
Mosazn\u00fd \u0161nekov\u00fd a \u0161nekov\u00fd kolov\u00fd souprava<\/div>\n
Manganovo-mosazn\u00e9 kolo ZCuZn38Mn2Pb2 sp\u00e1rovan\u00e9 s pr\u016fb\u011b\u017en\u011b kalen\u00fdm \u0161nekov\u00fdm h\u0159\u00eddelem 40Cr nebo induk\u010dn\u011b kalen\u00e9m C45. Mosazn\u00e9 kolo nab\u00edz\u00ed st\u0159edn\u00ed cestu mezi c\u00ednov\u00fdm bronzem (nejlep\u0161\u00ed odolnost proti od\u011bru, ni\u017e\u0161\u00ed pevnost) a hlin\u00edkovo-\u017eelezn\u00fdm bronzem (nejvy\u0161\u0161\u00ed pevnost, ni\u017e\u0161\u00ed odolnost proti od\u011bru): pevnost v tahu p\u0159ibli\u017en\u011b 380 MPa oproti 220 MPa u c\u00ednov\u00e9ho bronzu s lep\u0161\u00ed odolnost\u00ed proti od\u011bru ne\u017e u hlin\u00edkovo-\u017eelezn\u00e9ho bronzu. \u0160iroce se pou\u017e\u00edv\u00e1 v aplikac\u00edch OEM, kde cenov\u00e9 c\u00edle br\u00e1n\u00ed specifikaci dra\u017e\u0161\u00edho c\u00ednov\u00e9ho bronzu a kde je provoz lehk\u00fd a\u017e st\u0159edn\u00ed s p\u0159edv\u00eddateln\u00fdm zat\u00ed\u017een\u00edm, sp\u00ed\u0161e ne\u017e r\u00e1zy nebo n\u00e1razy. Obsah manganu (1,5\u20132,5%) poskytuje ur\u010dit\u00e9 zpevn\u011bn\u00ed ve srovn\u00e1n\u00ed s oby\u010dejnou mosaz\u00ed, \u010d\u00edm\u017e prodlu\u017euje \u017eivotnost zub\u016f.<\/div>\n
\n
Kola z lehk\u00fdch slitin<\/span>ZCuZn38Mn2Pb2 (~380 MPa)<\/span><\/div>\n
H\u0159\u00eddel<\/span>Indukce C45 nebo 40Cr skrz<\/span><\/div>\n
Aplikace<\/span>OEM pro lehk\u00e9 a\u017e st\u0159edn\u00ed zat\u00ed\u017een\u00ed<\/span><\/div>\n
Matematick\u00fd certifik\u00e1t<\/span>Standardn\u011b zahrnuto<\/span><\/div>\n<\/div>\n

Zobrazit produkt \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

\n
\"Sada<\/div>\n
\n
Kolo z PA66 \/ POM \u00b7 Lehk\u00e9 proveden\u00ed<\/div>\n
Sada plastov\u00fdch \u0161nekov\u00fdch p\u0159evod\u016f<\/div>\n
Kolo z nylonu PA66 nebo POM acetalu sp\u00e1rovan\u00e9 s kalenou ocelovou h\u0159\u00eddel\u00ed pro lehk\u00e9 aplikace s n\u00edzkou hlu\u010dnost\u00ed. Samomazn\u00e9 plastov\u00e9 kolo eliminuje pot\u0159ebu maz\u00e1n\u00ed v olejov\u00e9 l\u00e1zni \u2013 co\u017e je z\u00e1sadn\u00ed pro aplikace ve st\u00edsn\u011bn\u00fdch prostorech nebo \u010dist\u00e9m prost\u0159ed\u00ed. Ocelov\u00e1 h\u0159\u00eddel mus\u00ed b\u00fdt brou\u0161ena na Ra \u2264 0,8 \u00b5m \u2013 drsn\u011bj\u0161\u00ed povrch h\u0159\u00eddele zp\u016fsobuje rychl\u00e9 obru\u0161ov\u00e1n\u00ed plastov\u00e9ho kola, m\u00edsto aby se plynule ot\u00e1\u010delo. Plastov\u00e9 p\u0159evodovky Korea Ever-Power standardn\u011b obsahuj\u00ed brou\u0161enou a le\u0161t\u011bnou h\u0159\u00eddel. PA66 absorbuje z prost\u0159ed\u00ed jen omezenou vlhkost; POM je up\u0159ednost\u0148ov\u00e1n tam, kde je d\u016fle\u017eit\u00e1 rozm\u011brov\u00e1 stabilita p\u0159i kol\u00eds\u00e1n\u00ed vlhkosti. Maz\u00e1n\u00ed nen\u00ed nutn\u00e9 \u2013 mazivo specifikujte pouze v p\u0159\u00edpad\u011b, \u017ee provozn\u00ed teplota p\u0159esahuje 80 \u00b0C.<\/div>\n
\n
Materi\u00e1l kol<\/span>PA66 \/ POM (up\u0159esn\u011bte p\u0159i objedn\u00e1vce)<\/span><\/div>\n
Povrchov\u00e1 \u00faprava h\u0159\u00eddele<\/span>Uzemn\u011bn\u00ed Ra \u2264 0,8 \u00b5m (standardn\u00ed)<\/span><\/div>\n
Maz\u00e1n\u00ed<\/span>Such\u00fd nebo lehk\u00fd tuk<\/span><\/div>\n
Modul<\/span>M0,5\u2013M4 (lehk\u00e1 \u0159ada)<\/span><\/div>\n<\/div>\n

Zobrazit produkt \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

\n
\n

\u010casto kladen\u00e9 ot\u00e1zky k v\u00fdb\u011bru materi\u00e1lu<\/span><\/p>\n

Ot\u00e1zky in\u017een\u00fdr\u016f a kupuj\u00edc\u00edch ohledn\u011b materi\u00e1l\u016f \u0161nekov\u00fdch p\u0159evod\u016f<\/h2>\n<\/div>\n
\nPro\u010d se moje \u0161nekov\u00e9 kolo rychle opot\u0159ebov\u00e1v\u00e1 u\u017e po t\u0159ech m\u011bs\u00edc\u00edch provozu? Materi\u00e1l vypad\u00e1 na pap\u00ed\u0159e spr\u00e1vn\u011b.+<\/span><\/summary>\n
\n

Rychl\u00e9 opot\u0159eben\u00ed u spr\u00e1vn\u011b specifikovan\u00e9 instalace na pap\u00ed\u0159e obvykle ukazuje na jeden ze t\u0159\u00ed probl\u00e9m\u016f. Zaprv\u00e9, poru\u0161en\u00ed diferenci\u00e1lu tvrdosti: ov\u011b\u0159te tvrdost h\u0159\u00eddele pomoc\u00ed p\u0159enosn\u00e9ho Rockwellova testeru, sp\u00ed\u0161e ne\u017e se spol\u00e9hejte pouze na certifik\u00e1t materi\u00e1lu. H\u0159\u00eddel dod\u00e1van\u00e1 s ocel\u00ed 40Cr, ale bez spr\u00e1vn\u00e9ho tepeln\u00e9ho zpracov\u00e1n\u00ed, m\u016f\u017ee m\u00edt 35\u201342 HRC nam\u00edsto 50\u201356 HRC, co\u017e ji \u0159ad\u00ed na minimum pro dostate\u010dn\u00fd diferenci\u00e1l proti c\u00ednov\u00e9mu bronzu nebo pod n\u011bj. Zadruh\u00e9, probl\u00e9m s mazivem: p\u0159evodov\u00fd olej s aditivy EP napad\u00e1 bronzov\u00e9 kolo. Zat\u0159et\u00ed, kontaminace: abrazivn\u00ed \u010d\u00e1stice v mazivu \u2013 i kdy\u017e identifikujete a odstran\u00edte zdroj, abrazivn\u00ed \u010d\u00e1stice, kter\u00e9 jsou ji\u017e v oleji, nad\u00e1le obru\u0161uj\u00ed, dokud olej nevym\u011bn\u00edte.<\/p>\n<\/div>\n<\/details>\n

\nMohu upgradovat kolo z c\u00ednov\u00e9ho bronzu na hlin\u00edkovo-\u017eelezn\u00fd bronz, abych dos\u00e1hl del\u0161\u00ed \u017eivotnosti, ani\u017e bych musel m\u011bnit \u0161nekov\u00fd h\u0159\u00eddel?+<\/span><\/summary>\n
\n

Toto je chyba p\u00e1rov\u00e1n\u00ed popsan\u00e1 v pravidle pro rozd\u00edl tvrdosti. Pokud je va\u0161e \u0161nekov\u00e1 h\u0159\u00eddel induk\u010dn\u011b kalen\u00e1 na tvrdost C45 (50\u201355 HRC) nebo pr\u016fb\u011b\u017en\u011b kalen\u00e1 na tvrdost 40Cr (50\u201356 HRC), nem\u016f\u017eete jednodu\u0161e nahradit h\u0159\u00eddel ZCuAl10Fe3 bez ov\u011b\u0159en\u00ed dostate\u010dn\u00e9 tvrdosti h\u0159\u00eddele. U 40Cr oproti ZCuAl10Fe3 je rozd\u00edl tvrdosti dostate\u010dn\u00fd. U C45 oproti ZCuAl10Fe3 je rozp\u011bt\u00ed men\u0161\u00ed a m\u011blo by b\u00fdt ov\u011b\u0159eno v\u00fdpo\u010dtem rizika od\u011bru p\u0159i va\u0161\u00ed provozn\u00ed kluzn\u00e9 rychlosti. Pokud je va\u0161e h\u0159\u00eddel C45 a chcete kolo z hlin\u00edkovo-\u017eelezn\u00e9ho bronzu, p\u0159ejd\u011bte sou\u010dasn\u011b na cementovanou h\u0159\u00eddel SCM415 \u2013 h\u0159\u00eddel pot\u0159ebuje vy\u0161\u0161\u00ed tvrdost, aby spr\u00e1vn\u011b fungovala s tvrd\u0161\u00ed slitinou kola.<\/p>\n<\/div>\n<\/details>\n

\nJak\u00fd je rozd\u00edl mezi c\u00ednov\u00fdm bronzem ZCuSn10Pb1 a ZCuSn12 pro \u0161nekov\u00e1 kola? Kdy m\u00e1m specifikovat vy\u0161\u0161\u00ed obsah c\u00ednu?+<\/span><\/summary>\n
\n

ZCuSn12 m\u00e1 p\u0159ibli\u017en\u011b o 20% vy\u0161\u0161\u00ed obsah c\u00ednu ne\u017e ZCuSn10Pb1, co\u017e poskytuje m\u00edrn\u011b vy\u0161\u0161\u00ed pevnost v tahu (~250 MPa vs. ~220 MPa) a vy\u0161\u0161\u00ed tvrdost (~90\u2013110 HB vs. ~65\u201390 HB). Proti od\u011bru je u obou jakost\u00ed podobn\u00e1. ZCuSn12 se vyplat\u00ed specifikovat, pokud pot\u0159ebujete v\u011bt\u0161\u00ed kapacitu, ne\u017e jakou dok\u00e1\u017ee ZCuSn10Pb1 poskytnout ve stejn\u00e9m modulu, ale aplikace nem\u00e1 r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed, kter\u00e9 by ospravedlnilo p\u0159echod na ZCuAl10Fe3.<\/p>\n<\/div>\n<\/details>\n

\nM\u00e1m \u0161nekov\u00fd p\u0159evod ve vlhk\u00e9m p\u0159\u00edmo\u0159sk\u00e9m prost\u0159ed\u00ed, ale nemus\u00ed b\u00fdt potravin\u00e1\u0159sk\u00e9 kvality. M\u00e1m i tak specifikovat nerezovou ocel SS316?+<\/span><\/summary>\n
\n

Pro \u0161nekov\u00fd h\u0159\u00eddel ano \u2013 pokud nen\u00ed pouzdro zcela ut\u011bsn\u011bno a h\u0159\u00eddel je vystavena pob\u0159e\u017en\u00ed atmosf\u00e9\u0159e, je spr\u00e1vnou specifikac\u00ed SS316. Pozinkovan\u00e1 h\u0159\u00eddel z uhl\u00edkov\u00e9 oceli za\u010dne v mo\u0159sk\u00e9 atmosf\u00e9\u0159e doch\u00e1zet k d\u016flkov\u00fdm koroz\u00edm b\u011bhem 12\u201318 m\u011bs\u00edc\u016f a h\u0159\u00eddel z SS304 b\u011bhem 6\u201324 m\u011bs\u00edc\u016f v d\u016fsledku d\u016flkov\u00fdch koroz\u00ed vyvolan\u00fdch chloridy. Pro \u0161nekov\u00e9 kolo, pokud je kolo uvnit\u0159 ut\u011bsn\u011bn\u00e9ho pouzdra, z\u016fst\u00e1v\u00e1 p\u0159ijateln\u00fdm c\u00ednov\u00fd bronz ZCuSn10Pb1 \u2013 bronz dob\u0159e odol\u00e1v\u00e1 korozi v mo\u0159sk\u00e9 atmosf\u00e9\u0159e. Pokud je p\u0159\u00edmo vystaven soln\u00e9 mlze, je hlin\u00edkovo-\u017eelezn\u00fd bronz ZCuAl10Fe3 odoln\u011bj\u0161\u00ed v\u016f\u010di mo\u0159sk\u00e9mu biologick\u00e9mu zne\u010di\u0161t\u011bn\u00ed a mezikrystalov\u00e9 korozi, kter\u00e1 se v c\u00ednov\u00e9m bronzu vyv\u00edj\u00ed p\u0159i opakovan\u00e9m cyklov\u00e1n\u00ed mokro-sucho.<\/p>\n<\/div>\n<\/details>\n

\nPro\u010d pot\u0159ebuji certifik\u00e1t materi\u00e1lu konkr\u00e9tn\u011b pro \u0161nekovou h\u0159\u00eddel? Nem\u016f\u017eu si b\u00fdt jist\u00fd, \u017ee h\u0159\u00eddel z oceli 40Cr je skute\u010dn\u011b z oceli 40Cr?+<\/span><\/summary>\n
\n

N\u00e1hrada materi\u00e1l\u016f v dodavatelsk\u00e9m \u0159et\u011bzci je \u010dast\u011bj\u0161\u00ed, ne\u017e in\u017een\u00fd\u0159i o\u010dek\u00e1vaj\u00ed, zejm\u00e9na u h\u0159\u00eddel\u00ed zakoupen\u00fdch prost\u0159ednictv\u00edm zprost\u0159edkuj\u00edc\u00edch distributor\u016f. H\u0159\u00eddel C45 a h\u0159\u00eddel 40Cr vypadaj\u00ed p\u0159ed tepeln\u00fdm zpracov\u00e1n\u00edm identicky. Zkou\u0161ka tvrdosti potvrzuje dosa\u017eenou tvrdost, ale nikoli slitinu \u2013 C45 je mo\u017en\u00e9 tepeln\u011b zpracovat na 50 HRC induk\u010dn\u00edm kalen\u00edm, zat\u00edmco datov\u00fd list uv\u00e1d\u00ed 40Cr prokalen\u00fd na 52 HRC. Rozd\u00edl se projev\u00ed v hloubce pouzdra a \u00fanavov\u00e9 \u017eivotnosti. Certifik\u00e1t materi\u00e1lu pro \u010d\u00edslo tavby valcov\u00e1n\u00ed prokazuje slo\u017een\u00ed slitiny \u2013 nejen v\u00fdslednou tvrdost.<\/p>\n<\/div>\n<\/details>\n

\nExistuje n\u011bjak\u00fd kompromis mezi hmotnost\u00ed a cenou mezi r\u016fzn\u00fdmi materi\u00e1ly kol, kter\u00fd bych m\u011bl zv\u00e1\u017eit?+<\/span><\/summary>\n
\n

Ano, a je to v\u00fdznamn\u00e9 u v\u011bt\u0161\u00edch velikost\u00ed modul\u016f. C\u00ednov\u00fd bronz ZCuSn10Pb1 je relativn\u011b drah\u00e1 slitina m\u011bdi \u2013 u modulu M6 a v\u00fd\u0161e m\u016f\u017ee b\u00fdt kolo hlavn\u00ed n\u00e1kladovou slo\u017ekou soukol\u00ed. Od nejni\u017e\u0161\u00ed po nejvy\u0161\u0161\u00ed cenu: POM\/PA66 < manganov\u00e1 mosaz < ZCuAl10Fe3 < ZCuSn10Pb1 < SS316. Upozor\u0148ujeme, \u017ee n\u00e1klady na materi\u00e1l tvo\u0159\u00ed zlomek celkov\u00fdch n\u00e1klad\u016f na instalaci \u2013 specifikace nespr\u00e1vn\u00e9ho materi\u00e1lu a v\u00fdm\u011bna ozuben\u00e9ho kola ka\u017ed\u00fdch 6 m\u011bs\u00edc\u016f stoj\u00ed mnohem v\u00edce ne\u017e jednor\u00e1zov\u00e1 spr\u00e1vn\u00e1 specifikace.<\/p>\n<\/div>\n<\/details>\n

\nJak\u00fd je rozd\u00edl v \u017eivotnosti mezi spr\u00e1vn\u011b specifikovan\u00fdm \u0161nekov\u00fdm p\u0159evodem a nespr\u00e1vn\u011b specifikovan\u00fdm \u0161nekov\u00fdm p\u0159evodem?+<\/span><\/summary>\n
\n

Rozd\u00edl v \u017eivotnosti je obvykle 10:1 nebo v\u011bt\u0161\u00ed. Spr\u00e1vn\u011b specifikovan\u00e1 sada vykazuje postupn\u00e9, kontrolovan\u00e9 opot\u0159eben\u00ed bok\u016f zub\u016f kola po tis\u00edce hodin, m\u011b\u0159iteln\u00e9 po\u010dtem \u010d\u00e1stic v oleji, s dostate\u010dn\u00fdm varov\u00e1n\u00edm p\u0159ed p\u0159ekro\u010den\u00edm rozm\u011brov\u00fdch limit\u016f. Nespr\u00e1vn\u011b specifikovan\u00e1 sada \u2013 nespr\u00e1vn\u00fd rozd\u00edl tvrdosti, nespr\u00e1vn\u00e9 mazivo, kontaminace \u2013 obvykle sel\u017ee v d\u016fsledku od\u00edr\u00e1n\u00ed nebo rychl\u00e9ho abrazivn\u00edho opot\u0159eben\u00ed b\u011bhem 200\u2013500 hodin.<\/p>\n<\/div>\n<\/details>\n

\nU \u0161nekov\u00e9ho p\u0159evodu, kter\u00fd b\u011b\u017e\u00ed z\u0159\u00eddka \u2013 jen n\u011bkolik hodin t\u00fddn\u011b \u2013 je st\u00e1le tak d\u016fle\u017eit\u00fd specifikace materi\u00e1lu?+<\/span><\/summary>\n
\n

Nepravideln\u00fd provoz zvy\u0161uje pravd\u011bpodobnost selh\u00e1n\u00ed mezn\u00edho maz\u00e1n\u00ed, nikoli sni\u017euje. Poka\u017ed\u00e9, kdy\u017e se pohon znovu rozb\u011bhne z klidu, s\u00ed\u0165 pracuje v re\u017eimu mezn\u00edho maz\u00e1n\u00ed \u2013 bez hydrodynamick\u00e9ho filmu \u2013 po dobu prvn\u00edch n\u011bkolika sekund a\u017e minut, dokud provozn\u00ed teplota a kluzn\u00e1 rychlost film nevytvo\u0159\u00ed. Pohon, kter\u00fd se \u010dasto spou\u0161t\u00ed a zastavuje, za\u017e\u00edv\u00e1 proporcion\u00e1ln\u011b v\u011bt\u0161\u00ed mezn\u00ed maz\u00e1n\u00ed v pom\u011bru k celkov\u00e9 dob\u011b chodu. Vlastnost mezn\u00edho maz\u00e1n\u00ed v olovnat\u00e9 f\u00e1zi u kola z c\u00ednov\u00e9ho bronzu je obzvl\u00e1\u0161t\u011b cenn\u00e1 v p\u0159eru\u0161ovan\u00fdch aplikac\u00edch. Nikdy nedovozujte z toho, \u017ee z\u0159\u00eddka pou\u017e\u00edvan\u00e1 aplikace m\u016f\u017ee tolerovat ni\u017e\u0161\u00ed specifikaci materi\u00e1lu.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\n

Z\u00edskejte doporu\u010den\u00ed materi\u00e1lu pro va\u0161i aplikaci<\/h2>\n

Uve\u010fte t\u0159\u00eddu zat\u00ed\u017een\u00ed, provozn\u00ed prost\u0159ed\u00ed, podm\u00ednky r\u00e1zov\u00e9ho zat\u00ed\u017een\u00ed, trval\u00fd to\u010div\u00fd moment a jak\u00e9koli speci\u00e1ln\u00ed po\u017eadavky (potraviny, n\u00e1mo\u0159n\u00ed doprava, dokumentace). Korea Ever-Power p\u0159ed zad\u00e1n\u00edm objedn\u00e1vky potvrzuje spr\u00e1vn\u00e9 p\u00e1rov\u00e1n\u00ed materi\u00e1lu h\u0159\u00eddele a kola v\u00fdpo\u010dtem rozd\u00edlu tvrdosti.<\/p>\n

\u2709 Vy\u017e\u00e1dat si specifikaci materi\u00e1lu<\/a>
\n\u2699 Prohl\u00e9dnout v\u0161echny produkty \u0161nekov\u00fdch p\u0159evod\u016f<\/a><\/div>\n<\/div>\n<\/div>\n

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

Knowledge Series \u00b7 Worm Gear Fundamentals Worm Gear Material Selection Is a Pairing Decision, Not a Component Decision The mesh is a tribological system \u2014 shaft hardness, wheel alloy, and surface condition interact to produce either a controlled running-in process or a catastrophic scuffing event. Specifying the shaft material and the wheel material independently is […]<\/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":[4774],"tags":[1394,1399],"class_list":["post-1886","post","type-post","status-publish","format-standard","hentry","category-worm-gear","tag-worm-gear","tag-worm-gear-worm"],"_links":{"self":[{"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/posts\/1886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/comments?post=1886"}],"version-history":[{"count":3,"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/posts\/1886\/revisions"}],"predecessor-version":[{"id":1889,"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/posts\/1886\/revisions\/1889"}],"wp:attachment":[{"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/media?parent=1886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/categories?post=1886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wormwheelgear.top\/cs\/wp-json\/wp\/v2\/tags?post=1886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}