{"id":8529,"date":"2026-05-27T12:22:35","date_gmt":"2026-05-27T04:22:35","guid":{"rendered":"https:\/\/www.hnhlcranes.com\/?p=8529"},"modified":"2026-05-27T12:22:35","modified_gmt":"2026-05-27T04:22:35","slug":"ako-tepelne-spracovanie-zvysuje-pevnost-kolies-zeriavov","status":"publish","type":"post","link":"https:\/\/www.hnhlcranes.com\/sk\/ako-tepelne-spracovanie-zvysuje-pevnost-kolies-zeriavov\/","title":{"rendered":"Ako tepeln\u00e9 spracovanie zlep\u0161uje pevnos\u0165 kolies \u017eeriavov"},"content":{"rendered":"<h1>Ako tepeln\u00e9 spracovanie zlep\u0161uje pevnos\u0165 kolies \u017eeriavov<\/h1>\n<p class=\"isSelectedEnd\">V \u0165a\u017ek\u00fdch zdv\u00edhac\u00edch syst\u00e9moch, <strong>tepeln\u00e9 spracovanie zvy\u0161uje pevnos\u0165 kolies \u017eeriavov<\/strong> zv\u00fd\u0161en\u00edm tvrdosti, odolnosti proti opotrebovaniu, \u00fanavov\u00e9ho v\u00fdkonu a \u017eivotnosti. \u017deriavov\u00e9 koles\u00e1 pracuj\u00fa pod st\u00e1lym tlakom, n\u00e1razov\u00fdm za\u0165a\u017een\u00edm a tren\u00edm o ko\u013eajnice. Bez spr\u00e1vneho tepeln\u00e9ho spracovania sa koles\u00e1 m\u00f4\u017eu r\u00fdchlo opotrebova\u0165, praskn\u00fa\u0165 pod tlakom alebo vies\u0165 k n\u00e1kladn\u00fdm prestojom. V spolo\u010dnosti HL CRANE vyr\u00e1bame \u017eeriavov\u00e9 koles\u00e1 ur\u010den\u00e9 pre n\u00e1ro\u010dn\u00e9 priemyseln\u00e9 aplik\u00e1cie, kde s\u00fa spo\u013eahlivos\u0165 a \u017eivotnos\u0165 rozhoduj\u00face.<\/p>\n<p class=\"isSelectedEnd\">\u017deriavov\u00e9 koles\u00e1 sa \u0161iroko pou\u017e\u00edvaj\u00fa v mostov\u00fdch \u017eeriavoch, port\u00e1lov\u00fdch \u017eeriavoch, ko\u013eajov\u00fdch \u017eeriavoch, prekladac\u00edch voz\u00edkoch a pr\u00edstavn\u00fdch manipula\u010dn\u00fdch zariadeniach. Ke\u010f\u017ee tieto koles\u00e1 ka\u017ed\u00fd de\u0148 pren\u00e1\u0161aj\u00fa obrovsk\u00e9 za\u0165a\u017eenie, kvalita tepeln\u00e9ho spracovania priamo ovplyv\u0148uje bezpe\u010dnos\u0165 prev\u00e1dzky a dlhodob\u00e9 n\u00e1klady na \u00fadr\u017ebu.<\/p>\n<h2>Pre\u010do si koles\u00e1 \u017eeriavov vy\u017eaduj\u00fa tepeln\u00e9 spracovanie<\/h2>\n<p class=\"isSelectedEnd\">Koles\u00e1 \u017eeriavov s\u00fa vystaven\u00e9 nepretr\u017eit\u00e9mu valiv\u00e9mu nam\u00e1haniu. Po\u010das prev\u00e1dzky sa beh\u00fa\u0148 a pr\u00edruba kolesa opakovane dot\u00fdkaj\u00fa oce\u013eov\u00fdch ko\u013eajn\u00edc, \u010d\u00edm vznik\u00e1 trenie a lokalizovan\u00fd tlak. \u010casom m\u00f4\u017ee d\u00f4js\u0165 k vzniku neo\u0161etren\u00fdch kolies:<\/p>\n<ul data-spread=\"false\">\n<li>Opotrebovanie povrchu<\/li>\n<li>Plastick\u00e1 deform\u00e1cia<\/li>\n<li>Trhliny<\/li>\n<li>Pitting<\/li>\n<li>Po\u0161kodenie pr\u00edruby<\/li>\n<li>Nes\u00faosos\u0165 ko\u013eajn\u00edc<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Tepeln\u00e9 spracovanie pom\u00e1ha rie\u0161i\u0165 tieto probl\u00e9my \u00fapravou vn\u00fatornej \u0161trukt\u00fary ocele. Tento proces zvy\u0161uje povrchov\u00fa tvrdos\u0165 pri zachovan\u00ed dostato\u010dnej h\u00fa\u017eevnatosti vo vn\u00fatri jadra kolesa.<\/p>\n<p class=\"isSelectedEnd\">T\u00e1to rovnov\u00e1ha medzi tvrdos\u0165ou a h\u00fa\u017eevnatos\u0165ou je d\u00f4le\u017eit\u00e1 najm\u00e4 pre \u017eeriavy pracuj\u00face v oceliar\u0148ach, pr\u00edstavoch, lodeniciach a v\u00fdrobn\u00fdch z\u00e1vodoch.<\/p>\n<h2>Be\u017en\u00e9 materi\u00e1ly pou\u017e\u00edvan\u00e9 na koles\u00e1 \u017eeriavov<\/h2>\n<p class=\"isSelectedEnd\">Pred tepeln\u00fdm spracovan\u00edm je nevyhnutn\u00e9 vybra\u0165 spr\u00e1vny materi\u00e1l. V\u00e4\u010d\u0161ina kolies \u017eeriavov pre ve\u013ek\u00e9 za\u0165a\u017eenie sa vyr\u00e1ba z legovan\u00fdch ocel\u00ed s dobrou kalite\u013enos\u0165ou a odolnos\u0165ou vo\u010di n\u00e1razom.<\/p>\n<p class=\"isSelectedEnd\">Medzi be\u017en\u00e9 materi\u00e1ly patria:<\/p>\n<ul data-spread=\"false\">\n<li>42CrMo<\/li>\n<li>35CrMo<\/li>\n<li>65Mn<\/li>\n<li>Kovan\u00e1 legovan\u00e1 oce\u013e<\/li>\n<li>\u0160tandardn\u00e9 materi\u00e1ly kolies \u017eeriavov ASTM<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">V spolo\u010dnosti HL CRANE sa kovan\u00e9 \u017eeriavov\u00e9 koles\u00e1 be\u017ene vyr\u00e1baj\u00fa z materi\u00e1lu 42CrMo pre jeho vynikaj\u00facu pevnos\u0165 a \u00fanavov\u00e9 vlastnosti po tepelnom spracovan\u00ed.<\/p>\n<p class=\"isSelectedEnd\">Viac inform\u00e1ci\u00ed o na\u0161om v\u00fdrobnom procese kolies \u017eeriavov n\u00e1jdete aj na na\u0161ej webovej str\u00e1nke:<br \/>\n<a href=\"https:\/\/www.hnhlcranes.com\/sk\/produkty\/kolesa-zeriavu\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.hnhlcranes.com\/products\/crane-wheels\/<\/a><\/p>\n<h2>Hlavn\u00e9 met\u00f3dy tepeln\u00e9ho spracovania kolies \u017eeriavov<\/h2>\n<p class=\"isSelectedEnd\">R\u00f4zne aplik\u00e1cie \u017eeriavov si vy\u017eaduj\u00fa r\u00f4zne met\u00f3dy tepeln\u00e9ho spracovania. Medzi naj\u010dastej\u0161ie pou\u017e\u00edvan\u00e9 procesy patr\u00ed induk\u010dn\u00e9 kalenie, kalenie a pop\u00fa\u0161\u0165anie a povrchov\u00e9 kalenie.<\/p>\n<h3>1. Induk\u010dn\u00e9 kalenie<\/h3>\n<p class=\"isSelectedEnd\">Induk\u010dn\u00e9 kalenie je jednou z najpou\u017e\u00edvanej\u0161\u00edch met\u00f3d tepeln\u00e9ho spracovania kolies \u017eeriavov.<\/p>\n<p class=\"isSelectedEnd\">Pri tomto procese vysokofrekven\u010dn\u00fd elektrick\u00fd pr\u00fad r\u00fdchlo zahrieva povrch beh\u00fa\u0148a a pr\u00edruby kolesa. Zahriata plocha sa potom okam\u017eite ochlad\u00ed pomocou vodn\u00e9ho alebo polym\u00e9rov\u00e9ho chladenia.<\/p>\n<p class=\"isSelectedEnd\">Medzi v\u00fdhody patr\u00ed:<\/p>\n<ul data-spread=\"false\">\n<li>Vysok\u00e1 tvrdos\u0165 povrchu<\/li>\n<li>Zv\u00fd\u0161en\u00e1 odolnos\u0165 proti opotrebovaniu<\/li>\n<li>Zn\u00ed\u017een\u00e1 deform\u00e1cia kolies<\/li>\n<li>Kontrolovan\u00e1 h\u013abka kalenia<\/li>\n<li>Dlh\u0161ia \u017eivotnos\u0165<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Tvrdos\u0165 povrchu kolies \u017eeriavov dosahuje po induk\u010dnom kalen\u00ed zvy\u010dajne HB300-380.<\/p>\n<p class=\"isSelectedEnd\">Jadro kolesa pritom zost\u00e1va relat\u00edvne pevn\u00e9, \u010d\u00edm sa zni\u017euje riziko krehk\u00e9ho lomu pri n\u00e1razovom za\u0165a\u017een\u00ed.<\/p>\n<h2>2. Kalenie a pop\u00fa\u0161\u0165anie<\/h2>\n<p class=\"isSelectedEnd\">Kalenie a pop\u00fa\u0161\u0165anie zlep\u0161uje celkov\u00e9 mechanick\u00e9 vlastnosti kolesa.<\/p>\n<p class=\"isSelectedEnd\">Koleso sa najprv zahreje na vysok\u00fa teplotu a r\u00fdchlo sa ochlad\u00ed. Po ochladen\u00ed sa vykon\u00e1 pop\u00fa\u0161\u0165anie, aby sa zn\u00ed\u017eila krehkos\u0165 a zlep\u0161ila h\u00fa\u017eevnatos\u0165.<\/p>\n<p class=\"isSelectedEnd\">Tento proces poskytuje:<\/p>\n<ul data-spread=\"false\">\n<li>Vy\u0161\u0161ia pevnos\u0165 v \u0165ahu<\/li>\n<li>Lep\u0161ia odolnos\u0165 proti \u00fanave<\/li>\n<li>Zv\u00fd\u0161en\u00e1 odolnos\u0165 proti n\u00e1razu<\/li>\n<li>Stabiln\u00e1 metalurgick\u00e1 \u0161trukt\u00fara<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">V pr\u00edpade ve\u013ek\u00fdch \u017eeriavov\u00fdch kolies pracuj\u00facich pod ve\u013ek\u00fdm za\u0165a\u017een\u00edm sa kalenie a pop\u00fa\u0161\u0165anie \u010dasto kombinuje s povrchov\u00fdm induk\u010dn\u00fdm kalen\u00edm.<\/p>\n<h2>3. Kalenie plame\u0148om<\/h2>\n<p class=\"isSelectedEnd\">Pri kalen\u00ed plame\u0148om sa na zahriatie povrchu kolesa pred r\u00fdchlym ochladen\u00edm pou\u017e\u00edva kysl\u00edkov\u00fd plame\u0148.<\/p>\n<p class=\"isSelectedEnd\">Hoci je kalenie plame\u0148om menej presn\u00e9 ako induk\u010dn\u00e9 kalenie, st\u00e1le sa pou\u017e\u00edva pre niektor\u00e9 \u0165a\u017ek\u00e9 priemyseln\u00e9 koles\u00e1 z d\u00f4vodu ni\u017e\u0161\u00edch n\u00e1kladov na zariadenie.<\/p>\n<p class=\"isSelectedEnd\">Induk\u010dn\u00e9 kalenie v\u0161ak zvy\u010dajne poskytuje:<\/p>\n<ul data-spread=\"false\">\n<li>Lep\u0161ia konzistencia tvrdosti<\/li>\n<li>Presnej\u0161ia kalen\u00e1 h\u013abka<\/li>\n<li>Ni\u017e\u0161ie riziko deform\u00e1cie<\/li>\n<\/ul>\n<h2>Ako tepeln\u00e9 spracovanie zlep\u0161uje v\u00fdkonnos\u0165 kolies \u017eeriavov<\/h2>\n<h3>Zv\u00fd\u0161en\u00e1 odolnos\u0165 proti opotrebovaniu<\/h3>\n<p class=\"isSelectedEnd\">Odolnos\u0165 proti opotrebovaniu je jednou z najd\u00f4le\u017eitej\u0161\u00edch v\u00fdhod tepeln\u00e9ho spracovania.<\/p>\n<p class=\"isSelectedEnd\">So zvy\u0161uj\u00facou sa tvrdos\u0165ou kolesa sa povrch kolesa st\u00e1va odolnej\u0161\u00edm vo\u010di oderu a strate kovu. T\u00fdm sa zni\u017euje opotrebovanie beh\u00fa\u0148a a pr\u00edruby po\u010das dlhodobej prev\u00e1dzky.<\/p>\n<p class=\"isSelectedEnd\">Pri \u017eeriavoch, ktor\u00e9 pracuj\u00fa nepretr\u017eite v oceliar\u0148ach alebo pr\u00edstavoch, koles\u00e1 odoln\u00e9 vo\u010di opotrebovaniu v\u00fdrazne zni\u017euj\u00fa frekvenciu v\u00fdmeny.<\/p>\n<h3>Vy\u0161\u0161ia \u00fanavov\u00e1 pevnos\u0165<\/h3>\n<p class=\"isSelectedEnd\">\u017deriavov\u00e9 koles\u00e1 za\u017e\u00edvaj\u00fa opakovan\u00e9 z\u00e1\u0165a\u017eov\u00e9 cykly ka\u017ed\u00fd de\u0148. \u010casom sa pod povrchom m\u00f4\u017eu vytvori\u0165 \u00fanavov\u00e9 trhliny.<\/p>\n<p class=\"isSelectedEnd\">Spr\u00e1vne tepeln\u00e9 spracovanie zjem\u0148uje \u0161trukt\u00faru ocele a zvy\u0161uje odolnos\u0165 proti \u00fanave, \u010d\u00edm pom\u00e1ha koles\u00e1m vydr\u017ea\u0165 mili\u00f3ny za\u0165a\u017eovac\u00edch cyklov.<\/p>\n<p class=\"isSelectedEnd\">To je d\u00f4le\u017eit\u00e9 najm\u00e4 pre automatick\u00e9 stohovacie \u017eeriavy, ko\u013eajov\u00e9 port\u00e1lov\u00e9 \u017eeriavy a syst\u00e9my na manipul\u00e1ciu s kontajnermi.<\/p>\n<h3>Lep\u0161ia odolnos\u0165 vo\u010di n\u00e1razom<\/h3>\n<p class=\"isSelectedEnd\">Koles\u00e1 \u017eeriavov s\u00fa vystaven\u00e9 nielen valiv\u00e9mu za\u0165a\u017eeniu, ale aj n\u00e1hlym n\u00e1razov\u00fdm sil\u00e1m sp\u00f4soben\u00fdm spojmi ko\u013eajn\u00edc, nespr\u00e1vnym nastaven\u00edm alebo nerovnomern\u00fdm za\u0165a\u017een\u00edm.<\/p>\n<p class=\"isSelectedEnd\">Spr\u00e1vne tepelne spracovan\u00e9 koleso si zachov\u00e1va pevn\u00fa \u0161trukt\u00faru jadra a zabra\u0148uje tak katastrofick\u00e9mu praskaniu.<\/p>\n<p class=\"isSelectedEnd\">T\u00e1to kombin\u00e1cia tvrd\u00e9ho povrchu a h\u00fa\u017eevnat\u00e9ho jadra je d\u00f4vodom, pre\u010do kovan\u00e9 tepelne spracovan\u00e9 \u017eeriavov\u00e9 koles\u00e1 prekon\u00e1vaj\u00fa v \u0165a\u017ek\u00fdch podmienkach neupraven\u00e9 liate koles\u00e1.<\/p>\n<h3>Zn\u00ed\u017eenie n\u00e1kladov na \u00fadr\u017ebu<\/h3>\n<p class=\"isSelectedEnd\">Hoci tepelne spracovan\u00e9 koles\u00e1 m\u00f4\u017eu by\u0165 spo\u010diatku drah\u0161ie, \u010dasom \u010dasto zni\u017euj\u00fa celkov\u00e9 prev\u00e1dzkov\u00e9 n\u00e1klady.<\/p>\n<p class=\"isSelectedEnd\">V\u00fdhody zah\u0155\u0148aj\u00fa:<\/p>\n<ul data-spread=\"false\">\n<li>Dlh\u0161ia \u017eivotnos\u0165 kolies<\/li>\n<li>Po\u0161kodenie dolnej \u010dasti ko\u013eajn\u00edc<\/li>\n<li>Skr\u00e1tenie prestojov<\/li>\n<li>Menej v\u00fdmen<\/li>\n<li>Zlep\u0161en\u00e1 prev\u00e1dzkov\u00e1 stabilita<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Pre prev\u00e1dzkovate\u013eov priemyseln\u00fdch \u017eeriavov sa tieto v\u00fdhody priamo premietaj\u00fa do ni\u017e\u0161\u00edch n\u00e1kladov na \u00fadr\u017ebu a vy\u0161\u0161ej produktivity.<\/p>\n<h2>D\u00f4le\u017eitos\u0165 spevnenej h\u013abky<\/h2>\n<p class=\"isSelectedEnd\">Samotn\u00e1 tvrdos\u0165 povrchu nesta\u010d\u00ed. Rovnako d\u00f4le\u017eit\u00e1 je aj h\u013abka kalenia.<\/p>\n<p class=\"isSelectedEnd\">Ak je stvrdnut\u00e1 vrstva pr\u00edli\u0161 plytk\u00e1:<\/p>\n<ul data-spread=\"false\">\n<li>Odolnos\u0165 proti opotrebovaniu sa r\u00fdchlo zni\u017euje<\/li>\n<li>Povrch sa m\u00f4\u017ee odlupova\u0165 alebo odlupova\u0165<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Ak je stvrdnut\u00e1 vrstva pr\u00edli\u0161 hlbok\u00e1:<\/p>\n<ul data-spread=\"false\">\n<li>Koleso sa m\u00f4\u017ee sta\u0165 krehk\u00fdm<\/li>\n<li>Zvy\u0161uje sa riziko prasknutia<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">V\u00e4\u010d\u0161ina \u0165a\u017ek\u00fdch \u017eeriavov\u00fdch kolies pou\u017e\u00edva kalen\u00e9 h\u013abky od 8 mm do 15 mm v z\u00e1vislosti od priemeru kolesa a pou\u017eitia.<\/p>\n<p class=\"isSelectedEnd\">V spolo\u010dnosti HL CRANE sa po\u010das v\u00fdroby starostlivo kontroluje h\u013abka kalenia, aby sa splnili \u0161pecifik\u00e1cie z\u00e1kazn\u00edkov a medzin\u00e1rodn\u00e9 normy.<\/p>\n<h2>Kontrola kvality po tepelnom spracovan\u00ed<\/h2>\n<p class=\"isSelectedEnd\">Profesion\u00e1lni v\u00fdrobcovia kolies \u017eeriavov vykon\u00e1vaj\u00fa po tepelnom spracovan\u00ed pr\u00edsne testovanie.<\/p>\n<p class=\"isSelectedEnd\">Medzi be\u017en\u00e9 kontroly patria:<\/p>\n<ul data-spread=\"false\">\n<li>Testovanie tvrdosti<\/li>\n<li>Ultrazvukov\u00e9 testovanie<\/li>\n<li>Kontrola magnetick\u00fdch \u010dast\u00edc<\/li>\n<li>Metalografick\u00e1 anal\u00fdza<\/li>\n<li>Rozmerov\u00e1 kontrola<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Tieto kontroly zabezpe\u010dia, \u017ee koleso pred dodan\u00edm sp\u013a\u0148a mechanick\u00e9 aj prev\u00e1dzkov\u00e9 po\u017eiadavky.<\/p>\n<p class=\"isSelectedEnd\">Pokia\u013e ide o medzin\u00e1rodn\u00e9 normy a pokyny t\u00fdkaj\u00face sa materi\u00e1lov, mnoh\u00ed in\u017einieri sa tie\u017e odvol\u00e1vaj\u00fa na:<br \/>\n<a href=\"https:\/\/www.astm.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.astm.org\/<\/a><\/p>\n<h2>V\u00fdber spr\u00e1vneho v\u00fdrobcu \u017eeriavov\u00fdch kolies<\/h2>\n<p class=\"isSelectedEnd\">Kvalita tepeln\u00e9ho spracovania do ve\u013ekej miery z\u00e1vis\u00ed od sk\u00fasenost\u00ed s v\u00fdrobou a od kontroly procesu.<\/p>\n<p class=\"isSelectedEnd\">Pri v\u00fdbere dod\u00e1vate\u013ea by kupuj\u00faci mali pos\u00fadi\u0165:<\/p>\n<ul data-spread=\"false\">\n<li>Schopnos\u0165 kovania<\/li>\n<li>Zariadenia na tepeln\u00e9 spracovanie<\/li>\n<li>Kontroln\u00e9 normy<\/li>\n<li>Vysledovate\u013enos\u0165 materi\u00e1lu<\/li>\n<li>Sk\u00fasenosti v odvetv\u00ed<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Spolo\u010dnos\u0165 HL CRANE sa \u0161pecializuje na kovan\u00e9 \u017eeriavov\u00e9 koles\u00e1, bubny \u017eeriavov, bloky remen\u00edc a komponenty pre pohyb \u017eeriavov pre priemyseln\u00e9 a pr\u00edstavn\u00e9 \u017eeriavov\u00e9 syst\u00e9my na celom svete.<\/p>\n<h2>Z\u00e1ver<\/h2>\n<p class=\"isSelectedEnd\">Tepeln\u00e9 spracovanie zohr\u00e1va rozhoduj\u00facu \u00falohu pri zvy\u0161ovan\u00ed pevnosti, odolnosti a prev\u00e1dzkovej spo\u013eahlivosti kolies \u017eeriavov. Zv\u00fd\u0161en\u00edm tvrdosti, odolnosti proti opotrebovaniu a \u00fanavov\u00e9ho v\u00fdkonu m\u00f4\u017eu spr\u00e1vne tepelne upraven\u00e9 \u017eeriavov\u00e9 koles\u00e1 bezpe\u010dne pracova\u0165 v extr\u00e9mnych priemyseln\u00fdch podmienkach mnoho rokov.<\/p>\n<p class=\"isSelectedEnd\">\u010ci u\u017e sa pou\u017e\u00edva induk\u010dn\u00e9 kalenie, kalenie a pop\u00fa\u0161\u0165anie alebo in\u00e9 pokro\u010dil\u00e9 procesy, cie\u013e zost\u00e1va rovnak\u00fd: dosiahnu\u0165 optim\u00e1lnu rovnov\u00e1hu medzi tvrdos\u0165ou povrchu a h\u00fa\u017eevnatos\u0165ou jadra.<\/p>\n<p class=\"isSelectedEnd\">Na str\u00e1nke <a href=\"https:\/\/www.hnhlcranes.com\/sk\" target=\"_blank\" rel=\"noopener\">HL CRANE<\/a>, na\u010falej dod\u00e1vame vysokokvalitn\u00e9 tepelne spracovan\u00e9 \u017eeriavov\u00e9 koles\u00e1 navrhnut\u00e9 pre n\u00e1ro\u010dn\u00e9 zdv\u00edhacie aplik\u00e1cie v pr\u00edstavoch, oceliar\u0148ach, lodeniciach a \u0165a\u017ekom v\u00fdrobnom priemysle.<\/p>\n<h2>\u010cASTO KLADEN\u00c9 OT\u00c1ZKY<\/h2>\n<h3>1. Ak\u00e1 je najlep\u0161ia met\u00f3da tepeln\u00e9ho spracovania kolies \u017eeriavov?<\/h3>\n<p class=\"isSelectedEnd\">Induk\u010dn\u00e9 kalenie sa v\u0161eobecne pova\u017euje za najlep\u0161iu met\u00f3du, preto\u017ee poskytuje vysok\u00fa povrchov\u00fa tvrdos\u0165 pri zachovan\u00ed h\u00fa\u017eevnatosti jadra.<\/p>\n<h3>2. Ak\u00e1 tvrdos\u0165 sa odpor\u00fa\u010da pre koles\u00e1 \u017eeriavov?<\/h3>\n<p class=\"isSelectedEnd\">V\u00e4\u010d\u0161ina \u0165a\u017ek\u00fdch \u017eeriavov\u00fdch kolies pou\u017e\u00edva tvrdos\u0165 povrchu v rozmedz\u00ed HB300-380.<\/p>\n<h3>3. Pre\u010do je pre koles\u00e1 \u017eeriavov d\u00f4le\u017eit\u00e1 kalen\u00e1 h\u013abka?<\/h3>\n<p class=\"isSelectedEnd\">Spr\u00e1vna h\u013abka kalenia zvy\u0161uje odolnos\u0165 proti opotrebovaniu a \u00fanavov\u00fa \u017eivotnos\u0165 a z\u00e1rove\u0148 zabra\u0148uje krehk\u00e9mu praskaniu.<\/p>\n<h3>4. Ak\u00fd materi\u00e1l sa be\u017ene pou\u017e\u00edva na v\u00fdrobu kovan\u00fdch kolies \u017eeriavov?<\/h3>\n<p class=\"isSelectedEnd\">42CrMo a 35CrMo sa be\u017ene pou\u017e\u00edvaj\u00fa, preto\u017ee pon\u00fakaj\u00fa vynikaj\u00facu pevnos\u0165 a tepeln\u00e9 spracovanie.<\/p>\n<h3>5. Ako tepeln\u00e9 spracovanie zni\u017euje n\u00e1klady na \u00fadr\u017ebu \u017eeriavov?<\/h3>\n<p>Tepelne spracovan\u00e9 koles\u00e1 maj\u00fa dlh\u0161iu \u017eivotnos\u0165, zni\u017euj\u00fa opotrebovanie ko\u013eajn\u00edc, minimalizuj\u00fa prestoje a zni\u017euj\u00fa frekvenciu v\u00fdmeny.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ako tepeln\u00e9 spracovanie zlep\u0161uje pevnos\u0165 kolies \u017eeriavov V \u0165a\u017ek\u00fdch zdv\u00edhac\u00edch syst\u00e9moch tepeln\u00e9 spracovanie zlep\u0161uje pevnos\u0165 kolies \u017eeriavov...<\/p>","protected":false},"author":1,"featured_media":6721,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[53],"tags":[1149,1155,934,1146,956,1154,1148,999,1156,1152,1004,1153,1147,1150,1151],"class_list":["post-8529","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry_news","tag-42crmo-crane-wheel","tag-crane-wheel-hardened-depth","tag-crane-wheel-hardness","tag-crane-wheel-heat-treatment","tag-crane-wheel-manufacturing","tag-crane-wheel-surface-hardness","tag-crane-wheel-wear-resistance","tag-forged-crane-wheels","tag-heat-treated-crane-wheel-manufacturer","tag-heat-treatment-improves-strength-of-crane-wheels","tag-heavy-duty-crane-wheels","tag-how-to-heat-treat-crane-wheels","tag-induction-hardening-crane-wheels","tag-overhead-crane-wheel-material","tag-rail-mounted-crane-wheels"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Heat Treatment Improves Strength of Crane Wheels - Crane Parts Manufacturer<\/title>\n<meta name=\"description\" content=\"Learn how heat treatment improves strength of crane wheels by increasing hardness, wear resistance, and fatigue life. 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