{"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\/sk\/worm-gear-material-selection-is-a-pairing-decision-not-a-component-decision\/","title":{"rendered":"V\u00fdber materi\u00e1lu z\u00e1vitovkov\u00e9ho prevodu je rozhodnutie o p\u00e1rovan\u00ed, nie o v\u00fdbere komponentu"},"content":{"rendered":"
\n
<\/div>\n
<\/div>\n
\n

S\u00e9ria znalost\u00ed \u00b7 Z\u00e1klady z\u00e1vitovkov\u00e9ho prevodu<\/p>\n

\u0160nekov\u00fd prevod V\u00fdber materi\u00e1lu<\/span> Je to rozhodnutie o p\u00e1rovan\u00ed, nie rozhodnutie o komponentoch<\/h1>\n

Sie\u0165 je tribologick\u00fd syst\u00e9m \u2013 tvrdos\u0165 hriade\u013ea, zliatina kolesa a stav povrchu vz\u00e1jomne p\u00f4sobia a vytv\u00e1raj\u00fa bu\u010f kontrolovan\u00fd proces z\u00e1behu, alebo katastrofick\u00e9 odieranie. Nez\u00e1visl\u00e9 ur\u010denie materi\u00e1lu hriade\u013ea a materi\u00e1lu kolesa je naj\u010dastej\u0161ou pr\u00ed\u010dinou pred\u010dasn\u00e9ho zlyhania z\u00e1vitovkov\u00e9ho prevodu.<\/p>\n

\u2699 Korea Ever-Power Worm Gear Co., Ltd\ud83d\udccd Ansan-si, Gyeonggi-do, K\u00f3rea\ud83d\udce7 sales@wormwheelgear.top<\/div>\n<\/div>\n<\/section>\n
\n

Proces z\u00e1behu: Pre\u010do ch\u00e9mia materi\u00e1lu na kontaktnej ploche ur\u010duje \u017eivotnos\u0165 ozuben\u00e9ho kolesa<\/h2>\n

Ke\u010f sa zostav\u00ed a spust\u00ed nov\u00e1 z\u00e1vitovkov\u00e1 prevodovka, povrchy bokov zubov nie s\u00fa dokonale zhodn\u00e9. Aj pri presnej v\u00fdrobe s\u00fa mikro nerovnosti na oboch povrchoch pri spusten\u00ed vy\u0161\u0161ie ako hr\u00fabka olejov\u00e9ho filmu. Tieto nerovnosti sa stret\u00e1vaj\u00fa a plasticky deformuj\u00fa \u2013 proces naz\u00fdvan\u00fd z\u00e1beh \u2013 a\u017e k\u00fdm nie je kontaktn\u00e1 geometria dostato\u010dne hladk\u00e1 na hydrodynamick\u00e9 mazanie, ktor\u00e9 \u00faplne oddel\u00ed povrchy.<\/p>\n

To, \u010di z\u00e1beh prebehne spr\u00e1vne alebo sa zvrhne na odieranie, z\u00e1vis\u00ed v\u00fdlu\u010dne od p\u00e1rovania materi\u00e1lov v kontakte. Pri spr\u00e1vnom p\u00e1rovan\u00ed sa m\u00e4k\u0161\u00ed materi\u00e1l kolesa za studena tv\u00e1rni a prisp\u00f4sob\u00ed sa tvrd\u0161iemu z\u00e1vitu hriade\u013ea, \u010d\u00edm vytvor\u00ed hladk\u00fa, deforma\u010dne spevnen\u00fa kontaktn\u00fa z\u00f3nu. Pri nespr\u00e1vnom p\u00e1rovan\u00ed \u2013 nespr\u00e1vny rozdiel tvrdosti, nespr\u00e1vna ch\u00e9mia zliatiny kolesa, nedostato\u010dn\u00e1 tvrdos\u0165 hriade\u013ea \u2013 vytv\u00e1raj\u00fa drsn\u00e9 kontakty lok\u00e1lne teploty, ktor\u00e9 prekra\u010duj\u00fa prah adh\u00e9zie. Kov sa pren\u00e1\u0161a z jedn\u00e9ho povrchu na druh\u00fd. Prenesen\u00fd kov vytv\u00e1ra abraz\u00edvne \u010dastice. Pohon sa opotrebuje v priebehu nieko\u013ek\u00fdch t\u00fd\u017ed\u0148ov.<\/p>\n

\n

Pre\u010do je to rozhodnutie o p\u00e1rovan\u00ed:<\/strong> Materi\u00e1l hriade\u013ea ur\u010duje tvrdos\u0165, ktorej mus\u00ed materi\u00e1l kolesa vyhovova\u0165. Materi\u00e1l kolesa ur\u010duje vlastnosti proti oderu, ktor\u00e9 mus\u00ed povrch hriade\u013ea podporova\u0165. Spr\u00e1vny v\u00fdber jedn\u00e9ho a nespr\u00e1vny v\u00fdber druh\u00e9ho sp\u00f4sob\u00ed rovnak\u00fd re\u017eim poruchy ako nespr\u00e1vny v\u00fdber oboch.<\/p>\n<\/div>\n

\n

\"Kontaktn\u00e1<\/p>\n

Klzn\u00fd kontakt medzi bokom z\u00e1vitu z\u00e1vitovky a \u010delom zuba kolesa pracuje pri vysokej klznej r\u00fdchlosti (0,5 \u2013 15 m\/s) s ve\u013ek\u00fdm rozdielom tvrdosti \u2013 tribologick\u00fd syst\u00e9m, ktor\u00fd vy\u017eaduje spr\u00e1vne p\u00e1rovanie materi\u00e1lov.<\/p>\n<\/div>\n

\n

V\u00fdber materi\u00e1lu z\u00e1vitovkov\u00e9ho hriade\u013ea \u2013 postup v triede ocele<\/h2>\n

V\u00fdber materi\u00e1lu z\u00e1vitovkov\u00e9ho hriade\u013ea je funkciou troch po\u017eiadaviek: tvrdos\u0165 povrchu pre odolnos\u0165 proti oderu v oblasti z\u00e1beru, h\u00fa\u017eevnatos\u0165 jadra pre odolnos\u0165 vo\u010di r\u00e1zov\u00e9mu za\u0165a\u017eeniu a \u00fanave a kalite\u013enos\u0165 \u2013 h\u013abka, do ktorej je mo\u017en\u00e9 dosiahnu\u0165 tvrdos\u0165 tepeln\u00fdm spracovan\u00edm.<\/p>\n

\n
\n
\n
C45<\/span>
\n45\u201355HRC<\/span><\/div>\n
<\/div>\n<\/div>\n
\n
D1 \u013dahk\u00e1 pr\u00e1ca<\/div>\n

Oce\u013e C45 \u2014 povrchov\u00e1 tvrdos\u0165 45\u201355 HRC<\/h4>\n

Z\u00e1kladn\u00e1 \u0161pecifik\u00e1cia pre \u013eahk\u00e9 z\u00e1vitovkov\u00e9 hriadele. Kalen\u00e1 oce\u013e C45 dosahuje povrchov\u00fa tvrdos\u0165 iba 42 \u2013 48 HRC \u2013 nedostato\u010dn\u00fa na ochranu pred oderom od c\u00ednu pri klzn\u00fdch r\u00fdchlostiach nad 2 m\/s. Induk\u010dn\u00e9 kalenie bokov z\u00e1vitu zvy\u0161uje povrchov\u00fa tvrdos\u0165 na 50 \u2013 55 HRC, \u010do je minimum prijate\u013en\u00e9 pre \u0161tandardn\u00e9 z\u00e1vitovkov\u00e9 pohony. Obmedzen\u00edm ocele C45 je n\u00edzky obsah leguj\u00facich zliatin \u2013 kalite\u013enos\u0165 je mal\u00e1. Prijate\u013en\u00e1 pre \u013eahk\u00e9 aplik\u00e1cie s n\u00edzkym n\u00e1razom pri miernych klzn\u00fdch r\u00fdchlostiach.<\/p>\n<\/div>\n<\/div>\n

\n
\n
40Cr<\/span>
\n50\u201356HRC<\/span><\/div>\n
<\/div>\n<\/div>\n
\n
D1\u2013D2 Stredne \u0165a\u017ek\u00e9<\/div>\n

Oce\u013e 40Cr \u2014 povrchov\u00e1 tvrdos\u0165 50\u201356HRC<\/h4>\n

\u0160tandardn\u00e1 \u0161pecifik\u00e1cia legovanej ocele pre stredne za\u0165a\u017een\u00e9 z\u00e1vitovkov\u00e9 pohony. Pridanie chr\u00f3mu 1% poskytuje podstatne vy\u0161\u0161iu kalite\u013enos\u0165 ako C45 \u2013 hriade\u013e 40Cr kalen\u00fd na 50 \u2013 56 HRC si zachov\u00e1va t\u00fato tvrdos\u0165 v celom priereze typick\u00fdch priemerov z\u00e1vitovkov\u00fdch hriade\u013eov (20 \u2013 80 mm). T\u00fdm sa eliminuje re\u017eim prechodov\u00e9ho zlyhania skrine a jadra, ktor\u00fd ovplyv\u0148uje induk\u010dne kalen\u00e9 hriadele C45 pri r\u00e1zovom za\u0165a\u017een\u00ed. Predvolen\u00e1 \u0161pecifik\u00e1cia pre \u0161tandardn\u00e9 z\u00e1vitovkov\u00e9 prevody z legovanej ocele od spolo\u010dnosti Korea Ever-Power \u2013 spr\u00e1vna \u0161pecifik\u00e1cia pre pohony dopravn\u00edkov, po\u013enohospod\u00e1rske stroje a priemyseln\u00fa automatiz\u00e1ciu pri miernych pracovn\u00fdch cykloch.<\/p>\n<\/div>\n<\/div>\n

\n
\n
SCM415<\/span>
\n58\u201362HRC<\/span><\/div>\n
<\/div>\n<\/div>\n
\n
D2\u2013D3 \u0164a\u017ek\u00e9 za\u0165a\u017eenie<\/div>\n

Oce\u013e SCM415 \u2013 povrchov\u00e1 tvrdos\u0165 58 \u2013 62 HRC<\/h4>\n

Pr\u00e9miov\u00e1 \u0161pecifik\u00e1cia pre vysokov\u00fdkonn\u00e9 z\u00e1vitovkov\u00e9 pohony, kde sa vy\u017eaduje r\u00e1zov\u00e9 za\u0165a\u017eenie, nepretr\u017eit\u00e1 prev\u00e1dzka s vysok\u00fdm kr\u00fatiacim momentom alebo maxim\u00e1lna \u017eivotnos\u0165. Proces cement\u00e1cie difunduje uhl\u00edk do povrchovej vrstvy do h\u013abky 0,8 \u2013 1,5 mm, \u010d\u00edm vytv\u00e1ra tvrd\u00fd martenzitick\u00fd povrch s tvrdos\u0165ou 58 \u2013 62 HRC, pri\u010dom jadro si zachov\u00e1va p\u00f4vodn\u00fa n\u00edzkouhl\u00edkov\u00fa h\u00fa\u017eevnatos\u0165. D\u00f4le\u017eit\u00fd detail: z\u00e1vit je br\u00fasen\u00fd. po<\/em> cement\u00e1cia, nie pred \u0148ou. Br\u00fasenie po cement\u00e1cii zabezpe\u010duje, \u017ee kone\u010dn\u00e1 tvrdos\u0165 a geometria s\u00fa\u010dasne dosahuj\u00fa \u0161pecifikovan\u00e9 hodnoty.<\/p>\n<\/div>\n<\/div>\n

\n
\n
42CrMo<\/span>
\n54\u201358HRC<\/span><\/div>\n
<\/div>\n<\/div>\n
\n
D3 \u0164a\u017ek\u00e9 za\u0165a\u017eenie \u2013 Ve\u013ek\u00fd profil<\/div>\n

Oce\u013e 42CrMo \u2014 povrchov\u00e1 tvrdos\u0165 54\u201358HRC<\/h4>\n

Pre z\u00e1vitovkov\u00e9 hriadele s ve\u013ek\u00fdm prierezom a vysok\u00fdm kr\u00fatiacim momentom (typicky modul M8 a vy\u0161\u0161\u00ed), kde je h\u013abka cementa\u010dn\u00e9ho puzdra nepraktick\u00e1 vzh\u013eadom na ve\u013ekos\u0165 prierezu. Prekalen\u00fd 42CrMo pri tvrdosti 54 \u2013 58 HRC poskytuje konzistentnej\u0161iu tvrdos\u0165 v celej \u010dasti zuba ako cementovan\u00e9 puzdro na ve\u013ekom substr\u00e1te. Pevnos\u0165 v \u0165ahu pri tejto tvrdosti: pribli\u017ene 1 700 \u2013 1 900 MPa. Vhodn\u00e9 pre aplik\u00e1cie s vysok\u00fdm kr\u00fatiacim momentom pri ve\u013ekom module.<\/p>\n<\/div>\n<\/div>\n

\n
\n
SS316<\/span>
\n28\u201334HRC<\/span><\/div>\n<\/div>\n
\n
\u0160peci\u00e1lne prostredia \u2013 Potraviny \/ N\u00e1morn\u00edctvo<\/div>\n

Oce\u013e SS316 \u2013 povrchov\u00e1 tvrdos\u0165 28\u201334HRC<\/h4>\n

Materi\u00e1l, ktor\u00fd sa mus\u00ed \u0161pecifikova\u0165, ke\u010f je prim\u00e1rnym obmedzen\u00edm odolnos\u0165 proti kor\u00f3zii, s\u00falad s predpismi o bezpe\u010dnosti potrav\u00edn alebo morsk\u00e1 atmosf\u00e9ra. Povrchov\u00e1 tvrdos\u0165 28 \u2013 34 HRC je v\u00fdrazne ni\u017e\u0161ia ako u ktorejko\u013evek z vy\u0161\u0161ie uveden\u00fdch tried legovanej ocele. T\u00e1to ni\u017e\u0161ia tvrdos\u0165 znamen\u00e1 ni\u017e\u0161iu odolnos\u0165 povrchu proti \u00fanave a ni\u017e\u0161iu odolnos\u0165 proti oderu na jednotku klznej r\u00fdchlosti. Kompenz\u00e1cia: udr\u017eiavan\u00edm klznej r\u00fdchlosti pod 4 m\/s; pou\u017eit\u00edm maziva NSF H1 PAO; a potvrden\u00edm, \u017ee kon\u0161truk\u010dn\u00fd kr\u00fatiaci moment je v r\u00e1mci zn\u00ed\u017eenej kapacity s\u00fapravy SS316, a nie predpokladom rovnakej kapacity ako ekvivalentn\u00e1 s\u00faprava legovanej ocele.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n

Materi\u00e1l z\u00e1vitovkov\u00e9ho kolesa \u2013 \u0161es\u0165 zliatin a ich oblas\u0165 pou\u017eitia<\/h2>\n

Z\u00e1vitovkov\u00e9 koleso je opotrebov\u00e1vanou s\u00fa\u010das\u0165ou v spr\u00e1vne \u0161pecifikovanom z\u00e1vitovkovom prevode. Hriade\u013e je navrhnut\u00fd tak, aby bol v\u00fdrazne tvrd\u0161\u00ed, tak\u017ee koleso sa opotrebov\u00e1va prednostne \u2013 postupne sa prisp\u00f4sobuje geometrii z\u00e1vitu hriade\u013ea po\u010das doby z\u00e1behu. Koleso je v skuto\u010dnosti obetnou tribologickou s\u00fa\u010das\u0165ou, ktorej r\u00fdchlos\u0165 opotrebovania a mechanizmus opotrebovania musia by\u0165 riaden\u00e9 v\u00fdberom materi\u00e1lu.<\/p>\n

\n
\n
ZCuSn10Pb1<\/div>\n
C\u00ednov\u00fd bronz<\/div>\n
Pevnos\u0165 v \u0165ahu<\/span>~220 MPa<\/span><\/div>\n
Tvrdos\u0165<\/span>65\u201390 HB<\/span><\/div>\n
Proti odieraniu<\/span>\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n
Sila<\/span>\u2605\u2605\u2606\u2606\u2606<\/span><\/div>\n
Aplik\u00e1cia<\/span>\u013dahk\u00e1 a\u017e stredn\u00e1 \u0165a\u017eba, \u0161tandardn\u00e1<\/span><\/div>\n<\/div>\n
\n
ZCuAl10Fe3<\/div>\n
Al-\u017delezn\u00fd bronz<\/div>\n
Pevnos\u0165 v \u0165ahu<\/span>~550 MPa<\/span><\/div>\n
Tvrdos\u0165<\/span>140\u2013180 HB<\/span><\/div>\n
Proti odieraniu<\/span>\u2605\u2605\u2605\u2606\u2606<\/span><\/div>\n
Sila<\/span>\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n
Aplik\u00e1cia<\/span>\u0164a\u017ek\u00e9 za\u0165a\u017eenie, r\u00e1zov\u00e9 za\u0165a\u017eenie<\/span><\/div>\n<\/div>\n
\n
ZCuZn38Mn2Pb2<\/div>\n
Mang\u00e1nov\u00e1 mosadz<\/div>\n
Pevnos\u0165 v \u0165ahu<\/span>~380 MPa<\/span><\/div>\n
Tvrdos\u0165<\/span>80\u2013110 HB<\/span><\/div>\n
Proti odieraniu<\/span>\u2605\u2605\u2605\u2606\u2606<\/span><\/div>\n
Sila<\/span>\u2605\u2605\u2605\u2606\u2606<\/span><\/div>\n
Aplik\u00e1cia<\/span>Cenovo citliv\u00fd OEM, stredne \u0165a\u017ek\u00e9 n\u00e1klady<\/span><\/div>\n<\/div>\n
\n
SS316<\/div>\n
Nerezov\u00e1 oce\u013e<\/div>\n
Pevnos\u0165 v \u0165ahu<\/span>~520 MPa<\/span><\/div>\n
Tvrdos\u0165<\/span>28\u201334 HRC<\/span><\/div>\n
Proti odieraniu<\/span>\u2605\u2605\u2606\u2606\u2606<\/span><\/div>\n
Sila<\/span>\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n
Aplik\u00e1cia<\/span>Potravinov\u00e1 z\u00f3na 1, iba priamy kontakt<\/span><\/div>\n<\/div>\n
\n
PA66 Nylon<\/div>\n
Polyamid 66<\/div>\n
Pevnos\u0165 v \u0165ahu<\/span>~75 MPa<\/span><\/div>\n
Tvrdos\u0165<\/span>120 randov<\/span><\/div>\n
Proti odieraniu<\/span>\u2605\u2605\u2605\u2605\u2606<\/span><\/div>\n
Sila<\/span>Neuveden\u00e9<\/span><\/div>\n
Aplik\u00e1cia<\/span>\u013dahk\u00e9, n\u00edzkohlu\u010dn\u00e9, such\u00e9 mazivo<\/span><\/div>\n<\/div>\n
\n
POM (acet\u00e1l)<\/div>\n
Polyoxymetyl\u00e9n<\/div>\n
Pevnos\u0165 v \u0165ahu<\/span>~65 MPa<\/span><\/div>\n
Tvrdos\u0165<\/span>120 randov<\/span><\/div>\n
Proti odieraniu<\/span>\u2605\u2605\u2605\u2605\u2606<\/span><\/div>\n
Sila<\/span>Neuveden\u00e9<\/span><\/div>\n
Aplik\u00e1cia<\/span>Pohony pr\u00edstrojov, ve\u013emi \u013eahk\u00e9<\/span><\/div>\n<\/div>\n<\/div>\n
\n
\u2699<\/div>\n

Pravidlo kritick\u00e9ho p\u00e1rovania<\/h3>\n

Aby z\u00e1behov\u00fd mechanizmus fungoval spr\u00e1vne, mus\u00ed existova\u0165 minim\u00e1lny rozdiel tvrdosti medzi povrchom z\u00e1vitovkov\u00e9ho hriade\u013ea a materi\u00e1lom z\u00e1vitovkov\u00e9ho kolesa. Nedostato\u010dn\u00fd rozdiel sp\u00f4sobuje, \u017ee sa oba povrchy navz\u00e1jom obrusuj\u00fa, namiesto toho, aby sa m\u00e4k\u0161\u00ed povrch prisp\u00f4sobil tvrd\u0161iemu.<\/p>\n

\u2699 Pravidlo 1:<\/span> Proti ZCuSn10Pb1 (65\u201390 HB \u2248 7\u20139 HRC) \u2014 Z\u00e1vitovkov\u00fd hriade\u013e mus\u00ed ma\u0165 \u2265 45 HRC. To umo\u017e\u0148uje induk\u010dn\u00e9 kalenie minim\u00e1lne na C45 (50\u201355 HRC).<\/span><\/div>\n
\u2699 Pravidlo 2:<\/span> Proti ZCuAl10Fe3 (140\u2013180 HB \u2248 14\u201318 HRC) \u2014 Z\u00e1vitovkov\u00fd hriade\u013e mus\u00ed ma\u0165 \u2265 55 HRC. Vy\u017eaduje sa kalenie 40Cr (50\u201356 HRC) alebo najlep\u0161ie cement\u00e1cia SCM415 (58\u201362 HRC).<\/span><\/div>\n
\u2699 Pravidlo 3:<\/span> V porovnan\u00ed s kot\u00fa\u010dom z nehrdzavej\u00facej ocele SS316 (28\u201334 HRC) \u2013 hriade\u013e z nehrdzavej\u00facej ocele SS316 je jedin\u00fdm spr\u00e1vnym p\u00e1rovan\u00edm. Uhl\u00edkov\u00e1 oce\u013e v porovnan\u00ed s kot\u00fa\u010dom z nehrdzavej\u00facej ocele SS316 vytv\u00e1ra galvanick\u00fd p\u00e1r vo vlhkom\/potravin\u00e1rskom\/morskom prostred\u00ed.<\/span><\/div>\n
\u2699 Pravidlo 4:<\/span> Proti nylonov\u00e9mu\/POM kot\u00fa\u010du \u2014 Tvrdos\u0165 hriade\u013ea nie je rozhoduj\u00facim faktorom, ale povrchov\u00e1 \u00faprava. Hriade\u013e mus\u00ed by\u0165 br\u00fasen\u00fd na Ra \u2264 0,8 \u00b5m. Kalen\u00fd, aby sa zabr\u00e1nilo opotrebovaniu abraz\u00edvnymi plastov\u00fdmi \u00falomkami.<\/span><\/div>\n

Poru\u0161enie pravidla 2 je naj\u010dastej\u0161ou chybou v \u0161pecifik\u00e1cii materi\u00e1lu:<\/strong> \u0160pecifik\u00e1cia C45 alebo 40Cr v porovnan\u00ed s hlin\u00edkovo-\u017eelezn\u00fdm bronzom je nedostato\u010dn\u00e1 \u2013 tvrdos\u0165 zubov z hlin\u00edkovo-\u017eelezn\u00e9ho bronzu sa bl\u00ed\u017ei k tvrdosti povrchu hriade\u013ea, oba povrchy sa obrusuj\u00fa s\u00fa\u010dasne, \u010do sp\u00f4sobuje r\u00fdchlu zmenu rozmerov a katastrofick\u00fa stup\u0148ovanie hluku bez postupn\u00e9ho varovania, ktor\u00e9 poskytuje opotrebovanie pri spr\u00e1vnom p\u00e1rovan\u00ed.<\/p>\n<\/div>\n

Matica v\u00fdberu p\u00e1rovania materi\u00e1lov<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
Hriade\u013e \u2192 Koleso \u2193<\/th>\nIndukcia C45
\n50\u201355 HRC<\/th>\n		40Cr cez
\n50\u201356 HRC<\/th>\n		Karbur\u00e1tor SCM415.
\n58\u201362 HRC<\/th>\n		42CrMo cez
\n54\u201358 HRC<\/th>\n		SS316
\n28\u201334 HRC<\/th>\n<\/tr>\n<\/thead>\n
C\u00ednov\u00fd bronz ZCuSn10Pb1<\/td>\n\n
\u2713 Prijate\u013en\u00e9<\/div>\n
Len pre \u013eahk\u00fa prev\u00e1dzku<\/div>\n<\/td>\n
\n
\u2713\u2713 Najlep\u0161ie<\/div>\n
\u0160tandardn\u00e1 povinnos\u0165<\/div>\n<\/td>\n
\n
\u2713\u2713 Vynikaj\u00face<\/div>\n
\u0164a\u017ek\u00e9<\/div>\n<\/td>\n
\n
\u2713\u2713 Vynikaj\u00face<\/div>\n
Ve\u013ek\u00fd modul<\/div>\n<\/td>\n
\n
\u2717 Nie je ur\u010den\u00e9 pre korekciu prostredia.<\/div>\n<\/td>\n<\/tr>\n
ZCuAl10Fe3 Al-\u017delezn\u00fd bronz<\/td>\n\n
\u2717 Nedostato\u010dn\u00e9<\/div>\n
rozdiel tvrdosti.<\/div>\n<\/td>\n
\n
\u26a0 Margin\u00e1lne<\/div>\n
Zabr\u00e1\u0148te n\u00e1razov\u00e9mu za\u0165a\u017eeniu<\/div>\n<\/td>\n
\n
\u2713\u2713 Spr\u00e1vne<\/div>\n
N\u00e1razov\u00e1 povinnos\u0165<\/div>\n<\/td>\n
\n
\u2713\u2713 Spr\u00e1vne<\/div>\n
\u0164a\u017ek\u00e1 sekcia<\/div>\n<\/td>\n
\n
Neuveden\u00e9<\/div>\n<\/td>\n<\/tr>\n
ZCuZn38Mn2Pb2 Mn mosadz<\/td>\n\n
\u2713 \u013dahk\u00e1 prev\u00e1dzka<\/div>\n<\/td>\n
\n
\u2713\u2713 Stredne n\u00e1ro\u010dn\u00e9<\/div>\n<\/td>\n
\n
\u2713\u2713 \u0164a\u017ek\u00e9<\/div>\n<\/td>\n
\n
\u2713 Vysoko odoln\u00fd<\/div>\n<\/td>\n
\n
\u2717 Nie je ur\u010den\u00e9 pre kor.<\/div>\n<\/td>\n<\/tr>\n
Nerezov\u00e1 oce\u013e SS316<\/td>\n\n
\u2717 Galvanick\u00e1 korekcia<\/div>\n<\/td>\n
\n
\u2717 Galvanick\u00e1 korekcia<\/div>\n<\/td>\n
\n
\u2717 Galvanick\u00e1 korekcia<\/div>\n<\/td>\n
\n
\u2717 Galvanick\u00e1 korekcia<\/div>\n<\/td>\n
\n
\u2713\u2713 Potraviny\/N\u00e1morn\u00e9 Z1<\/div>\n<\/td>\n<\/tr>\n
PA66 \/ POM plast<\/td>\n\n
\u2713 Svetlo<\/div>\n
Najprv po\u013esk\u00fd hriade\u013e<\/div>\n<\/td>\n
\n
\u2713 \u013dahk\u00e1 prev\u00e1dzka<\/div>\n<\/td>\n
\n
Prehnan\u00e9<\/div>\n<\/td>\n
\n
Prehnan\u00e9<\/div>\n<\/td>\n
\n
\u2713 N\u00edzka hlu\u010dnos\u0165 pri su\u0161en\u00ed<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Praktick\u00e1 cesta rozhodovania pre nov\u00e9 aplik\u00e1cie<\/h2>\n
\n
\n
1. Je prev\u00e1dzkov\u00e9 prostredie ur\u010den\u00e9 na v\u00fdrobu potrav\u00edn (HACCP), morsk\u00e9 prostredie alebo je zalo\u017een\u00e9 na koroz\u00edvnom oplachovan\u00ed?<\/div>\n
\n
\u00c1NO \u2192 Hriade\u013e SS316 + koleso SS316 (Z1) alebo hriade\u013e SS316 + koleso z c\u00ednov\u00e9ho bronzu (Z2)<\/div>\n
NIE \u2192 pokra\u010dujte ot\u00e1zkou 2<\/div>\n<\/div>\n<\/div>\n
\n
2. M\u00e1 aplik\u00e1cia v\u00fdrazn\u00e9 r\u00e1zov\u00e9 za\u0165a\u017eenie (\u0161tart motora DOL pri plnom za\u0165a\u017een\u00ed, ob\u010dasn\u00e9 n\u00e1razy z procesu)?<\/div>\n
\n
\u00c1NO \u2192 Cementovan\u00fd hriade\u013e SCM415 + koleso z hlin\u00edkovo-\u017eelezn\u00e9ho bronzu ZCuAl10Fe3<\/div>\n
NIE \u2192 pokra\u010dujte ot\u00e1zkou 3<\/div>\n<\/div>\n<\/div>\n
\n
3. Je trval\u00fd kr\u00fatiaci moment vy\u0161\u0161\u00ed ako 300 Nm alebo pracovn\u00fd cyklus vy\u0161\u0161\u00ed ako 70%?<\/div>\n
\n
\u00c1NO \u2192 kalen\u00fd hriade\u013e 40Cr + koleso z c\u00ednu ZCuSn10Pb1 (D2)<\/div>\n
NIE \u2192 C45 induk\u010dn\u00fd hriade\u013e + koleso z c\u00ednu ZCuSn10Pb1 prijate\u013en\u00e9 (D1)<\/div>\n<\/div>\n<\/div>\n
\u2192 Overte, \u010di rozdiel tvrdost\u00ed sp\u013a\u0148a vy\u0161\u0161ie uveden\u00e9 pravidl\u00e1 p\u00e1rovania. Pred objednan\u00edm poskytnite spolo\u010dnosti Korea Ever-Power podrobnosti o pou\u017eit\u00ed na potvrdenie materi\u00e1lu.<\/div>\n<\/div>\n<\/div>\n
\n
\n
\n

Produkty Ever-Power v K\u00f3rei<\/span><\/p>\n

Produkty z\u00e1vitovkov\u00fdch prevodov pod\u013ea materi\u00e1lovej \u0161pecifik\u00e1cie<\/h2>\n<\/div>\n
\n
\n
\"Sada<\/div>\n
\n
\u0160tandardn\u00e9 p\u00e1rovanie \u00b7 D1\u2013D2<\/div>\n
Sada z\u00e1vitovkov\u00fdch prevodov a z\u00e1vitovkov\u00fdch prevodov z legovanej ocele<\/div>\n
Kalen\u00fd z\u00e1vitovkov\u00fd hriade\u013e 40Cr v kombin\u00e1cii s kolesom z c\u00ednov\u00e9ho bronzu ZCuSn10Pb1 predstavuje \u0161tandardn\u00fa \u0161pecifik\u00e1ciu pre stredne \u0165a\u017ek\u00e9 aplik\u00e1cie \u2013 spr\u00e1vnu kombin\u00e1ciu pre v\u00e4\u010d\u0161inu priemyseln\u00fdch pohonn\u00fdch aplik\u00e1ci\u00ed. Hriade\u013e 40Cr dosahuje po kalen\u00ed tvrdos\u0165 50 \u2013 56 HRC, \u010do poskytuje dostato\u010dn\u00fd rozdiel tvrdosti oproti c\u00ednov\u00e9mu bronzu (65 \u2013 90 HB) pre spo\u013eahliv\u00fd z\u00e1beh a dlh\u00fa \u017eivotnos\u0165. Oloven\u00e1 f\u00e1za kolesa z c\u00ednov\u00e9ho bronzu poskytuje ochranu medzn\u00e9ho mazania po\u010das rozbehu a preru\u0161ovanej prev\u00e1dzky. Pre n\u00e1ro\u010dn\u00e9 aplik\u00e1cie D3 je rovnak\u00fd produkt k dispoz\u00edcii s cementovan\u00fdm hriade\u013eom SCM415 (58 \u2013 62 HRC) a kolesom z hlin\u00edkovo-\u017eelezn\u00e9ho bronzu ZCuAl10Fe3 \u2013 pri objedn\u00e1vke uve\u010fte po\u017eadovan\u00fa triedu za\u0165a\u017eenia. Materi\u00e1lov\u00e9 certifik\u00e1ty pre hriade\u013e aj koleso s\u00fa s\u00fa\u010das\u0165ou ka\u017edej sp\u00e1rovanej sady.<\/div>\n
\n
Hriade\u013e<\/span>40Cr \u00b7 50\u201356 HRC, kalen\u00e9<\/span><\/div>\n
Koleso<\/span>ZCuSn10Pb1 \u00b7 65\u201390 HB<\/span><\/div>\n
Modul<\/span>M1\u2013M10<\/span><\/div>\n
Rozdiel tvrdosti<\/span>Potvrden\u00e9 pri zadan\u00ed objedn\u00e1vky<\/span><\/div>\n<\/div>\n

Zobrazi\u0165 produkt \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

\n
\"Mosadzn\u00e1<\/div>\n
\n
Mang\u00e1nov\u00e1 mosadz \u00b7 Cenovo v\u00fdhodn\u00e9<\/div>\n
Mosadzn\u00e1 sada z\u00e1vitovky a z\u00e1vitovkov\u00e9ho kolesa<\/div>\n
Mang\u00e1nov\u00e9 mosadzn\u00e9 koleso ZCuZn38Mn2Pb2 sp\u00e1rovan\u00e9 s kalen\u00fdm z\u00e1vitovkov\u00fdm hriade\u013eom 40Cr alebo induk\u010dne kalen\u00fdm C45. Mosadzn\u00e9 koleso pon\u00faka stredn\u00fa cestu medzi c\u00ednov\u00fdm bronzom (najlep\u0161ia odolnos\u0165 proti oderu, ni\u017e\u0161ia pevnos\u0165) a hlin\u00edkovo-\u017eelezn\u00fdm bronzom (najvy\u0161\u0161ia pevnos\u0165, ni\u017e\u0161ia odolnos\u0165 proti oderu): pevnos\u0165 v \u0165ahu pribli\u017ene 380 MPa oproti 220 MPa pre c\u00ednov\u00fd bronz s lep\u0161ou odolnos\u0165ou proti oderu ako hlin\u00edkovo-\u017eelezn\u00fd bronz. \u0160iroko pou\u017e\u00edvan\u00e9 v aplik\u00e1ci\u00e1ch OEM, kde cenov\u00e9 ciele br\u00e1nia \u0161pecifik\u00e1cii drah\u0161ieho c\u00ednov\u00e9ho bronzu a kde je za\u0165a\u017eenie \u013eahk\u00e9 a\u017e stredn\u00e9 s predv\u00eddate\u013en\u00fdm za\u0165a\u017een\u00edm, a nie n\u00e1razmi alebo r\u00e1zmi. Obsah mang\u00e1nu (1,5 \u2013 2,5%) poskytuje ur\u010dit\u00e9 kalenie v porovnan\u00ed s oby\u010dajnou mosadzou, \u010d\u00edm predl\u017euje \u017eivotnos\u0165 zubov.<\/div>\n
\n
Hlin\u00edkov\u00e9 disky kolies<\/span>ZCuZn38Mn2Pb2 (~380 MPa)<\/span><\/div>\n
Hriade\u013e<\/span>Indukcia C45 alebo 40Cr prostredn\u00edctvom<\/span><\/div>\n
Aplik\u00e1cia<\/span>OEM pre \u013eahk\u00e9 a\u017e stredn\u00e9 \u00fa\u017eitkov\u00e9 vozidl\u00e1<\/span><\/div>\n
Matematick\u00fd certifik\u00e1t<\/span>\u0160tandardne zahrnut\u00e9<\/span><\/div>\n<\/div>\n

Zobrazi\u0165 produkt \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

\n
\"Sada<\/div>\n
\n
Koleso z PA66 \/ POM \u00b7 \u013dahk\u00e9 za\u0165a\u017eenie<\/div>\n
Sada plastov\u00fdch z\u00e1vitovkov\u00fdch prevodov<\/div>\n
Koleso z nylonu PA66 alebo POM acetalu sp\u00e1rovan\u00e9 s kalenou oce\u013eovou hriade\u013eou pre \u013eahk\u00e9 aplik\u00e1cie s n\u00edzkou hlu\u010dnos\u0165ou. Samomazacie plastov\u00e9 koleso eliminuje potrebu mazania v olejovom k\u00fapeli \u2013 \u010do je kritick\u00e9 pre aplik\u00e1cie v stiesnen\u00fdch priestoroch alebo \u010distom prostred\u00ed. Oce\u013eov\u00fd hriade\u013e mus\u00ed by\u0165 br\u00fasen\u00fd na Ra \u2264 0,8 \u00b5m \u2013 drsnej\u0161\u00ed povrch hriade\u013ea sp\u00f4sobuje r\u00fdchle obrusovanie plastov\u00e9ho kolesa, namiesto toho, aby sa koleso plynulo ot\u00e1\u010dalo. Plastov\u00e9 prevodovky Korea Ever-Power \u0161tandardne obsahuj\u00fa br\u00fasen\u00fd a le\u0161ten\u00fd hriade\u013e. PA66 absorbuje z prostredia len obmedzen\u00fa vlhkos\u0165; POM sa uprednost\u0148uje tam, kde je d\u00f4le\u017eit\u00e1 rozmerov\u00e1 stabilita pri zmen\u00e1ch vlhkosti. Mazanie nie je potrebn\u00e9 \u2013 mazivo \u0161pecifikujte iba v pr\u00edpade, \u017ee prev\u00e1dzkov\u00e1 teplota presiahne 80 \u00b0C.<\/div>\n
\n
Materi\u00e1l kolies<\/span>PA66 \/ POM (uve\u010fte pri objedn\u00e1vke)<\/span><\/div>\n
Povrchov\u00e1 \u00faprava hriade\u013ea<\/span>Uzemnenie Ra \u2264 0,8 \u00b5m (\u0161tandard)<\/span><\/div>\n
Mazanie<\/span>Such\u00fd alebo \u013eahk\u00fd tuk<\/span><\/div>\n
Modul<\/span>M0,5\u2013M4 (\u013eahk\u00fd rozsah)<\/span><\/div>\n<\/div>\n

Zobrazi\u0165 produkt \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

\n
\n

\u010casto kladen\u00e9 ot\u00e1zky o v\u00fdbere materi\u00e1lu<\/span><\/p>\n

Ot\u00e1zky t\u00fdkaj\u00face sa materi\u00e1lu z\u00e1vitovkov\u00fdch prevodov od in\u017einierov a kupuj\u00facich<\/h2>\n<\/div>\n
\nPre\u010do sa moje z\u00e1vitovkov\u00e9 koleso r\u00fdchlo opotrebov\u00e1va u\u017e po troch mesiacoch pou\u017e\u00edvania? Materi\u00e1l na papieri vyzer\u00e1 spr\u00e1vne.+<\/span><\/summary>\n
\n

R\u00fdchle opotrebovanie v spr\u00e1vne \u0161pecifikovanej in\u0161tal\u00e1cii na papieri zvy\u010dajne poukazuje na jeden z troch probl\u00e9mov. Po prv\u00e9, poru\u0161enie rozdielu tvrdosti: overte tvrdos\u0165 hriade\u013ea prenosn\u00fdm Rockwellov\u00fdm testerom, namiesto toho, aby ste sa spoliehali iba na certifik\u00e1t materi\u00e1lu. Hriade\u013e dod\u00e1van\u00fd ako 40Cr, ale nie spr\u00e1vne tepelne spracovan\u00fd, m\u00f4\u017ee ma\u0165 35 \u2013 42 HRC namiesto 50 \u2013 56 HRC, \u010do ho pos\u00fava na minimum alebo pod minimum pre primeran\u00fd rozdiel tvrdosti vo\u010di c\u00ednov\u00e9mu bronzu. Po druh\u00e9, probl\u00e9m s mazivom: prevodov\u00fd olej s pr\u00edsadami EP nap\u00e1da bronzov\u00e9 koleso. Po tretie, kontamin\u00e1cia: abraz\u00edvne \u010dastice v mazive \u2013 aj ke\u010f identifikujete a odstr\u00e1nite zdroj, abraz\u00edvne \u010dastice, ktor\u00e9 s\u00fa u\u017e v oleji, na\u010falej obrusuj\u00fa, k\u00fdm sa olej nevymen\u00ed.<\/p>\n<\/div>\n<\/details>\n

\nM\u00f4\u017eem prejs\u0165 z kolesa z c\u00ednovo-bronzov\u00e9ho na hlin\u00edkovo-\u017eelezobronzov\u00e9 koleso, aby som dosiahol dlh\u0161iu \u017eivotnos\u0165 bez v\u00fdmeny z\u00e1vitovkov\u00e9ho hriade\u013ea?+<\/span><\/summary>\n
\n

Toto je chyba p\u00e1rovania op\u00edsan\u00e1 v pravidle rozdielu tvrdosti. Ak je v\u00e1\u0161 z\u00e1vitovkov\u00fd hriade\u013e induk\u010dne kalen\u00fd z tvrdosti C45 (50 \u2013 55 HRC) alebo kalen\u00fd cez tvrdos\u0165 40Cr (50 \u2013 56 HRC), nem\u00f4\u017eete jednoducho nahradi\u0165 ZCuAl10Fe3 bez overenia, \u010di je tvrdos\u0165 hriade\u013ea dostato\u010dn\u00e1. Pri 40Cr oproti ZCuAl10Fe3 je rozdiel tvrdosti dostato\u010dn\u00fd. Pri C45 oproti ZCuAl10Fe3 je rozdiel u\u017e\u0161\u00ed a mal by sa overi\u0165 v\u00fdpo\u010dtom rizika oderu pri va\u0161ej prev\u00e1dzkovej r\u00fdchlosti posuvu. Ak je v\u00e1\u0161 hriade\u013e z tvrdosti C45 a chcete koleso z hlin\u00edkovo-\u017eelezn\u00e9ho bronzu, z\u00e1rove\u0148 prejdite na cementovan\u00fd hriade\u013e SCM415 \u2013 hriade\u013e potrebuje vy\u0161\u0161iu tvrdos\u0165, aby spr\u00e1vne fungoval s tvrd\u0161ou zliatinou kolesa.<\/p>\n<\/div>\n<\/details>\n

\nAk\u00fd je rozdiel medzi c\u00ednov\u00fdm bronzom ZCuSn10Pb1 a ZCuSn12 pre z\u00e1vitovkov\u00e9 koles\u00e1? Kedy by som mal \u0161pecifikova\u0165 vy\u0161\u0161\u00ed obsah c\u00ednu?+<\/span><\/summary>\n
\n

ZCuSn12 m\u00e1 pribli\u017ene o 20% vy\u0161\u0161\u00ed obsah c\u00ednu ako ZCuSn10Pb1, \u010do poskytuje mierne vy\u0161\u0161iu pevnos\u0165 v \u0165ahu (~250 MPa oproti ~220 MPa) a vy\u0161\u0161iu tvrdos\u0165 (~90\u2013110 HB oproti ~65\u201390 HB). Protioderov\u00e1 \u00fa\u010dinnos\u0165 z olovenej f\u00e1zy je u oboch typov podobn\u00e1. ZCuSn12 sa oplat\u00ed \u0161pecifikova\u0165, ke\u010f potrebujete v\u00e4\u010d\u0161iu kapacitu, ako dok\u00e1\u017ee ZCuSn10Pb1 poskytn\u00fa\u0165 v rovnakom module, ale aplik\u00e1cia nem\u00e1 r\u00e1zov\u00e9 za\u0165a\u017eenie, ktor\u00e9 by od\u00f4vod\u0148ovalo prechod na ZCuAl10Fe3.<\/p>\n<\/div>\n<\/details>\n

\nM\u00e1m z\u00e1vitovkov\u00fd prevod vo vlhkom pobre\u017enom prostred\u00ed, ale nemus\u00ed by\u0165 potravin\u00e1rskej kvality. Mal by som aj tak \u0161pecifikova\u0165 nerezov\u00fa oce\u013e SS316?+<\/span><\/summary>\n
\n

Pre z\u00e1vitovkov\u00fd hriade\u013e \u00e1no \u2013 ak nie je puzdro \u00faplne utesnen\u00e9 a hriade\u013e je vystaven\u00fd pobre\u017enej atmosf\u00e9re, spr\u00e1vnou \u0161pecifik\u00e1ciou je SS316. Pozinkovan\u00fd hriade\u013e z uhl\u00edkovej ocele za\u010dne v morskej atmosf\u00e9re podlieha\u0165 jamkovej kor\u00f3zii v priebehu 12 \u2013 18 mesiacov a hriade\u013e z SS304 v priebehu 6 \u2013 24 mesiacov v d\u00f4sledku jamkovej kor\u00f3zie sp\u00f4sobenej chloridmi. Pre z\u00e1vitovkov\u00e9 koleso, ak je koleso vo vn\u00fatri utesnen\u00e9ho puzdra, zost\u00e1va prijate\u013en\u00fdm c\u00ednov\u00fd bronz ZCuSn10Pb1 \u2013 bronz dobre odol\u00e1va kor\u00f3zii v morskej atmosf\u00e9re. Ak je priamo vystaven\u00fd so\u013enej hmle, hlin\u00edkovo-\u017eelezn\u00fd bronz ZCuAl10Fe3 je odolnej\u0161\u00ed vo\u010di morsk\u00e9mu biologick\u00e9mu zne\u010disteniu a medzikry\u0161talickej kor\u00f3zii, ktor\u00e1 sa v c\u00ednovom bronze vyv\u00edja pri opakovan\u00fdch cykloch mokro-such\u00fd.<\/p>\n<\/div>\n<\/details>\n

\nPre\u010do potrebujem certifik\u00e1t materi\u00e1lu konkr\u00e9tne pre z\u00e1vitovkov\u00fd hriade\u013e? Nem\u00f4\u017eem veri\u0165, \u017ee hriade\u013e z nehrdzavej\u00facej ocele 40Cr je skuto\u010dne z nehrdzavej\u00facej ocele 40Cr?+<\/span><\/summary>\n
\n

Z\u00e1mena materi\u00e1lov v dod\u00e1vate\u013eskom re\u0165azci je be\u017enej\u0161ia, ako in\u017einieri o\u010dak\u00e1vaj\u00fa, najm\u00e4 pri hriade\u013eoch zak\u00fapen\u00fdch prostredn\u00edctvom sprostredkovate\u013esk\u00fdch distrib\u00fatorov. Hriade\u013e C45 a hriade\u013e 40Cr vyzeraj\u00fa pred tepeln\u00fdm spracovan\u00edm identicky. Sk\u00fa\u0161ka tvrdosti potvrdzuje dosiahnut\u00fa tvrdos\u0165, ale nie zliatinu \u2013 C45 je mo\u017en\u00e9 tepelne spracova\u0165 na 50 HRC induk\u010dn\u00fdm kalen\u00edm, zatia\u013e \u010do v technickom liste je uveden\u00e9, \u017ee 40Cr je prekalen\u00e1 na 52 HRC. Rozdiel sa prejavuje v h\u013abke kalenia a \u00fanavovej \u017eivotnosti. Certifik\u00e1t materi\u00e1lu pre \u010d\u00edslo tavenia valcovania preukazuje zlo\u017eenie zliatiny \u2013 nielen v\u00fdsledn\u00fa tvrdos\u0165.<\/p>\n<\/div>\n<\/details>\n

\nExistuje nejak\u00fd kompromis medzi hmotnos\u0165ou a cenou medzi r\u00f4znymi materi\u00e1lmi kolies, ktor\u00fd by som mal zv\u00e1\u017ei\u0165?+<\/span><\/summary>\n
\n

\u00c1no, a je to v\u00fdznamn\u00e9 pri v\u00e4\u010d\u0161\u00edch ve\u013ekostiach modulov. C\u00ednov\u00fd bronz ZCuSn10Pb1 je relat\u00edvne drah\u00e1 zliatina medi \u2013 pri module M6 a vy\u0161\u0161om m\u00f4\u017ee by\u0165 koleso hlavnou n\u00e1kladovou s\u00fa\u010das\u0165ou ozuben\u00e9ho kolesa. Od najni\u017e\u0161ej po najvy\u0161\u0161iu cenu: POM\/PA66 < mang\u00e1nov\u00e1 mosadz < ZCuAl10Fe3 < ZCuSn10Pb1 < SS316. Upozor\u0148ujeme, \u017ee n\u00e1klady na materi\u00e1l tvoria zlomok celkov\u00fdch n\u00e1kladov na in\u0161tal\u00e1ciu \u2013 \u0161pecifikovanie nespr\u00e1vneho materi\u00e1lu a v\u00fdmena ozuben\u00e9ho kolesa ka\u017ed\u00fdch 6 mesiacov stoj\u00ed ove\u013ea viac ako jednorazov\u00e9 spr\u00e1vne \u0161pecifikovanie.<\/p>\n<\/div>\n<\/details>\n

\nAk\u00fd je rozdiel v \u017eivotnosti medzi spr\u00e1vne \u0161pecifikovanou a nespr\u00e1vne \u0161pecifikovanou z\u00e1vitovkovou prevodovkou?+<\/span><\/summary>\n
\n

Rozdiel v \u017eivotnosti je typicky 10:1 alebo v\u00e4\u010d\u0161\u00ed. Spr\u00e1vne \u0161pecifikovan\u00e1 sada vykazuje postupn\u00e9, kontrolovan\u00e9 opotrebovanie bokov zubov kolesa po\u010das tis\u00edcok hod\u00edn, merate\u013en\u00e9 po\u010dtom \u010dast\u00edc v anal\u00fdze oleja, s dostato\u010dn\u00fdm varovan\u00edm pred prekro\u010den\u00edm rozmerov\u00fdch limitov. Nespr\u00e1vne \u0161pecifikovan\u00e1 sada \u2013 nespr\u00e1vny rozdiel tvrdosti, nespr\u00e1vne mazivo, kontamin\u00e1cia \u2013 zvy\u010dajne zlyh\u00e1 v d\u00f4sledku odierania alebo r\u00fdchleho abraz\u00edvneho opotrebenia v priebehu 200 \u2013 500 hod\u00edn.<\/p>\n<\/div>\n<\/details>\n

\nPre z\u00e1vitovkov\u00e9 koleso, ktor\u00e9 be\u017e\u00ed zriedkavo \u2013 len nieko\u013eko hod\u00edn t\u00fd\u017edenne \u2013 je st\u00e1le d\u00f4le\u017eit\u00e1 \u0161pecifik\u00e1cia materi\u00e1lu?+<\/span><\/summary>\n
\n

Nepravideln\u00e1 prev\u00e1dzka zvy\u0161uje pravdepodobnos\u0165 poruchy hrani\u010dn\u00e9ho mazania, nie zni\u017euje. V\u017edy, ke\u010f sa pohon re\u0161tartuje z pokoja, sie\u0165 pracuje v re\u017eime hrani\u010dn\u00e9ho mazania \u2013 bez hydrodynamick\u00e9ho filmu \u2013 po\u010das prv\u00fdch nieko\u013ek\u00fdch sek\u00fand a\u017e min\u00fat, k\u00fdm prev\u00e1dzkov\u00e1 teplota a r\u00fdchlos\u0165 posuvu nevytvoria film. Pohon, ktor\u00fd sa \u010dasto sp\u00fa\u0161\u0165a a zastavuje, za\u017e\u00edva \u00famerne viac hrani\u010dn\u00e9ho mazania v porovnan\u00ed s celkov\u00fdm \u010dasom prev\u00e1dzky. Vlastnos\u0165 hrani\u010dn\u00e9ho mazania v olovenej f\u00e1ze kolesa z c\u00ednov\u00e9ho bronzu je obzvl\u00e1\u0161\u0165 cenn\u00e1 v preru\u0161ovan\u00fdch aplik\u00e1ci\u00e1ch. Nikdy neusudzujte, \u017ee zriedkavo pou\u017e\u00edvan\u00e1 aplik\u00e1cia m\u00f4\u017ee tolerova\u0165 ni\u017e\u0161iu \u0161pecifik\u00e1ciu materi\u00e1lu.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\n

Z\u00edskajte odpor\u00fa\u010danie materi\u00e1lu pre va\u0161u aplik\u00e1ciu<\/h2>\n

Uve\u010fte triedu za\u0165a\u017eenia, prev\u00e1dzkov\u00e9 prostredie, podmienky r\u00e1zov\u00e9ho za\u0165a\u017eenia, trval\u00fd kr\u00fatiaci moment a ak\u00e9ko\u013evek \u0161peci\u00e1lne po\u017eiadavky (potraviny, n\u00e1morn\u00edctvo, dokument\u00e1cia). Spolo\u010dnos\u0165 Korea Ever-Power pred zadan\u00edm objedn\u00e1vky potvrdzuje spr\u00e1vne p\u00e1rovanie materi\u00e1lu hriade\u013ea a kolesa s v\u00fdpo\u010dtom rozdielu tvrdosti.<\/p>\n

\u2709 Vy\u017eiada\u0165 si \u0161pecifik\u00e1ciu materi\u00e1lu<\/a>
\n\u2699 Prehliada\u0165 v\u0161etky produkty so z\u00e1vitovkov\u00fdmi prevodmi<\/a><\/div>\n<\/div>\n<\/div>\n

Redaktor: 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\/sk\/wp-json\/wp\/v2\/posts\/1886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/comments?post=1886"}],"version-history":[{"count":3,"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/posts\/1886\/revisions"}],"predecessor-version":[{"id":1889,"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/posts\/1886\/revisions\/1889"}],"wp:attachment":[{"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/media?parent=1886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/categories?post=1886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wormwheelgear.top\/sk\/wp-json\/wp\/v2\/tags?post=1886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}