{"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":"jak-tepelne-zpracovani-zvysuje-pevnost-kol-jerabu","status":"publish","type":"post","link":"https:\/\/www.hnhlcranes.com\/cs\/jak-tepelne-zpracovani-zvysuje-pevnost-kol-jerabu\/","title":{"rendered":"Jak tepeln\u00e9 zpracov\u00e1n\u00ed zlep\u0161uje pevnost je\u0159\u00e1bov\u00fdch kol"},"content":{"rendered":"<h1>Jak tepeln\u00e9 zpracov\u00e1n\u00ed zlep\u0161uje pevnost je\u0159\u00e1bov\u00fdch kol<\/h1>\n<p class=\"isSelectedEnd\">V t\u011b\u017ek\u00fdch zvedac\u00edch syst\u00e9mech, <strong>tepeln\u00e9 zpracov\u00e1n\u00ed zvy\u0161uje pevnost kol je\u0159\u00e1b\u016f<\/strong> zv\u00fd\u0161en\u00edm tvrdosti, odolnosti proti opot\u0159eben\u00ed, \u00fanavov\u00e9ho v\u00fdkonu a \u017eivotnosti. Je\u0159\u00e1bov\u00e1 kola pracuj\u00ed pod st\u00e1l\u00fdm tlakem, n\u00e1razov\u00fdm zat\u00ed\u017een\u00edm a t\u0159en\u00edm o kolejnice. Bez spr\u00e1vn\u00e9ho tepeln\u00e9ho zpracov\u00e1n\u00ed se mohou kola rychle opot\u0159ebov\u00e1vat, praskat pod nap\u011bt\u00edm nebo v\u00e9st k n\u00e1kladn\u00fdm prostoj\u016fm. Ve spole\u010dnosti HL CRANE vyr\u00e1b\u00edme je\u0159\u00e1bov\u00e1 kola ur\u010den\u00e1 pro n\u00e1ro\u010dn\u00e9 pr\u016fmyslov\u00e9 aplikace, kde je rozhoduj\u00edc\u00ed spolehlivost a \u017eivotnost.<\/p>\n<p class=\"isSelectedEnd\">Je\u0159\u00e1bov\u00e1 kola se \u0161iroce pou\u017e\u00edvaj\u00ed v mostov\u00fdch je\u0159\u00e1bech, port\u00e1lov\u00fdch je\u0159\u00e1bech, kolejov\u00fdch je\u0159\u00e1bech, p\u0159ekl\u00e1dac\u00edch voz\u00edc\u00edch a p\u0159\u00edstavn\u00edch manipula\u010dn\u00edch za\u0159\u00edzen\u00edch. Proto\u017ee tato kola denn\u011b p\u0159en\u00e1\u0161ej\u00ed obrovsk\u00e1 b\u0159emena, kvalita tepeln\u00e9ho zpracov\u00e1n\u00ed p\u0159\u00edmo ovliv\u0148uje provozn\u00ed bezpe\u010dnost a dlouhodob\u00e9 n\u00e1klady na \u00fadr\u017ebu.<\/p>\n<h2>Pro\u010d je t\u0159eba kola je\u0159\u00e1b\u016f tepeln\u011b zpracovat<\/h2>\n<p class=\"isSelectedEnd\">Kola je\u0159\u00e1b\u016f jsou vystavena trval\u00e9mu valiv\u00e9mu nam\u00e1h\u00e1n\u00ed. B\u011bhem provozu se b\u011bhoun a p\u0159\u00edruba kola opakovan\u011b dot\u00fdkaj\u00ed ocelov\u00fdch kolejnic, \u010d\u00edm\u017e vznik\u00e1 t\u0159en\u00ed a lokalizovan\u00fd tlak. V pr\u016fb\u011bhu \u010dasu m\u016f\u017ee doj\u00edt ke vzniku neo\u0161et\u0159en\u00fdch kol:<\/p>\n<ul data-spread=\"false\">\n<li>Opot\u0159eben\u00ed povrchu<\/li>\n<li>Plastick\u00e1 deformace<\/li>\n<li>Trhliny<\/li>\n<li>Pitting<\/li>\n<li>Po\u0161kozen\u00ed p\u0159\u00edruby<\/li>\n<li>Nesouosost kolejnic<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Tepeln\u00e9 zpracov\u00e1n\u00ed pom\u00e1h\u00e1 tyto probl\u00e9my \u0159e\u0161it \u00fapravou vnit\u0159n\u00ed struktury oceli. Tento proces zvy\u0161uje povrchovou tvrdost p\u0159i zachov\u00e1n\u00ed dostate\u010dn\u00e9 hou\u017eevnatosti uvnit\u0159 j\u00e1dra kola.<\/p>\n<p class=\"isSelectedEnd\">Tato rovnov\u00e1ha mezi tvrdost\u00ed a hou\u017eevnatost\u00ed je d\u016fle\u017eit\u00e1 zejm\u00e9na pro je\u0159\u00e1by pracuj\u00edc\u00ed v ocel\u00e1rn\u00e1ch, p\u0159\u00edstavech, lod\u011bnic\u00edch a v\u00fdrobn\u00edch z\u00e1vodech.<\/p>\n<h2>B\u011b\u017en\u00e9 materi\u00e1ly pou\u017e\u00edvan\u00e9 pro kola je\u0159\u00e1b\u016f<\/h2>\n<p class=\"isSelectedEnd\">P\u0159ed tepeln\u00fdm zpracov\u00e1n\u00edm je nutn\u00e9 zvolit spr\u00e1vn\u00fd materi\u00e1l. V\u011bt\u0161ina kol pro t\u011b\u017ek\u00e9 je\u0159\u00e1by se vyr\u00e1b\u00ed z legovan\u00fdch ocel\u00ed s dobrou kalitelnost\u00ed a odolnost\u00ed proti n\u00e1razu.<\/p>\n<p class=\"isSelectedEnd\">Mezi b\u011b\u017en\u00e9 materi\u00e1ly pat\u0159\u00ed:<\/p>\n<ul data-spread=\"false\">\n<li>42CrMo<\/li>\n<li>35CrMo<\/li>\n<li>65Mn<\/li>\n<li>Kovan\u00e1 legovan\u00e1 ocel<\/li>\n<li>Standardn\u00ed materi\u00e1ly kol je\u0159\u00e1b\u016f ASTM<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Ve spole\u010dnosti HL CRANE se kovan\u00e1 je\u0159\u00e1bov\u00e1 kola b\u011b\u017en\u011b vyr\u00e1b\u011bj\u00ed z materi\u00e1lu 42CrMo, proto\u017ee m\u00e1 vynikaj\u00edc\u00ed pevnost a \u00fanavov\u00e9 vlastnosti po tepeln\u00e9m zpracov\u00e1n\u00ed.<\/p>\n<p class=\"isSelectedEnd\">Na na\u0161ich webov\u00fdch str\u00e1nk\u00e1ch se tak\u00e9 m\u016f\u017eete dozv\u011bd\u011bt v\u00edce o na\u0161em v\u00fdrobn\u00edm procesu je\u0159\u00e1bov\u00fdch kol:<br \/>\n<a href=\"https:\/\/www.hnhlcranes.com\/cs\/produkty\/kola-jerabu\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.hnhlcranes.com\/products\/crane-wheels\/<\/a><\/p>\n<h2>Hlavn\u00ed metody tepeln\u00e9ho zpracov\u00e1n\u00ed je\u0159\u00e1bov\u00fdch kol<\/h2>\n<p class=\"isSelectedEnd\">R\u016fzn\u00e9 aplikace je\u0159\u00e1b\u016f vy\u017eaduj\u00ed r\u016fzn\u00e9 metody tepeln\u00e9ho zpracov\u00e1n\u00ed. Mezi nej\u010dast\u011bji pou\u017e\u00edvan\u00e9 postupy pat\u0159\u00ed induk\u010dn\u00ed kalen\u00ed, kalen\u00ed a popou\u0161t\u011bn\u00ed a povrchov\u00e9 kalen\u00ed.<\/p>\n<h3>1. Induk\u010dn\u00ed kalen\u00ed<\/h3>\n<p class=\"isSelectedEnd\">Induk\u010dn\u00ed kalen\u00ed je jednou z nejpou\u017e\u00edvan\u011bj\u0161\u00edch metod tepeln\u00e9ho zpracov\u00e1n\u00ed je\u0159\u00e1bov\u00fdch kol.<\/p>\n<p class=\"isSelectedEnd\">P\u0159i tomto procesu doch\u00e1z\u00ed k rychl\u00e9mu zah\u0159\u00edv\u00e1n\u00ed b\u011bhounu kola a povrchu p\u0159\u00edruby vysokofrekven\u010dn\u00edm elektrick\u00fdm proudem. Zah\u0159\u00e1t\u00e1 plocha se pak okam\u017eit\u011b ochlad\u00ed vodou nebo polymern\u00edm chlazen\u00edm.<\/p>\n<p class=\"isSelectedEnd\">Mezi v\u00fdhody pat\u0159\u00ed:<\/p>\n<ul data-spread=\"false\">\n<li>Vysok\u00e1 tvrdost povrchu<\/li>\n<li>Zv\u00fd\u0161en\u00e1 odolnost proti opot\u0159eben\u00ed<\/li>\n<li>Sn\u00ed\u017een\u00ed deformace kola<\/li>\n<li>\u0158\u00edzen\u00e1 kalen\u00e1 hloubka<\/li>\n<li>Del\u0161\u00ed \u017eivotnost<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Tvrdost povrchu je\u0159\u00e1bov\u00fdch kol po induk\u010dn\u00edm kalen\u00ed obvykle dosahuje HB300-380.<\/p>\n<p class=\"isSelectedEnd\">J\u00e1dro kola p\u0159itom z\u016fst\u00e1v\u00e1 pom\u011brn\u011b hou\u017eevnat\u00e9, co\u017e sni\u017euje riziko k\u0159ehk\u00e9ho lomu p\u0159i n\u00e1razov\u00e9m zat\u00ed\u017een\u00ed.<\/p>\n<h2>2. Kalen\u00ed a popou\u0161t\u011bn\u00ed<\/h2>\n<p class=\"isSelectedEnd\">Kalen\u00ed a popou\u0161t\u011bn\u00ed zlep\u0161uje celkov\u00e9 mechanick\u00e9 vlastnosti kola.<\/p>\n<p class=\"isSelectedEnd\">Kolo se nejprve zah\u0159eje na vysokou teplotu a rychle se ochlad\u00ed. Po ochlazen\u00ed se provede popou\u0161t\u011bn\u00ed, aby se sn\u00ed\u017eila k\u0159ehkost a zlep\u0161ila hou\u017eevnatost.<\/p>\n<p class=\"isSelectedEnd\">Tento proces umo\u017e\u0148uje:<\/p>\n<ul data-spread=\"false\">\n<li>Vy\u0161\u0161\u00ed pevnost v tahu<\/li>\n<li>Lep\u0161\u00ed odolnost proti \u00fanav\u011b<\/li>\n<li>Zv\u00fd\u0161en\u00e1 odolnost proti n\u00e1razu<\/li>\n<li>Stabiln\u00ed metalurgick\u00e1 struktura<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">U velk\u00fdch je\u0159\u00e1bov\u00fdch kol pracuj\u00edc\u00edch pod velk\u00fdm zat\u00ed\u017een\u00edm se kalen\u00ed a popou\u0161t\u011bn\u00ed \u010dasto kombinuje s povrchov\u00fdm induk\u010dn\u00edm kalen\u00edm.<\/p>\n<h2>3. Kalen\u00ed plamenem<\/h2>\n<p class=\"isSelectedEnd\">P\u0159i kalen\u00ed plamenem se povrch kola p\u0159ed rychl\u00fdm ochlazen\u00edm zah\u0159\u00edv\u00e1 kysl\u00edkov\u00fdm plamenem.<\/p>\n<p class=\"isSelectedEnd\">I kdy\u017e je kalen\u00ed plamenem m\u00e9n\u011b p\u0159esn\u00e9 ne\u017e induk\u010dn\u00ed, st\u00e1le se pou\u017e\u00edv\u00e1 pro n\u011bkter\u00e1 t\u011b\u017ek\u00e1 pr\u016fmyslov\u00e1 kola, proto\u017ee je levn\u011bj\u0161\u00ed.<\/p>\n<p class=\"isSelectedEnd\">Induk\u010dn\u00ed kalen\u00ed v\u0161ak obvykle poskytuje:<\/p>\n<ul data-spread=\"false\">\n<li>Lep\u0161\u00ed konzistence tvrdosti<\/li>\n<li>P\u0159esn\u011bj\u0161\u00ed kalen\u00e1 hloubka<\/li>\n<li>Ni\u017e\u0161\u00ed riziko deformace<\/li>\n<\/ul>\n<h2>Jak tepeln\u00e9 zpracov\u00e1n\u00ed zlep\u0161uje v\u00fdkonnost je\u0159\u00e1bov\u00fdch kol<\/h2>\n<h3>Zv\u00fd\u0161en\u00e1 odolnost proti opot\u0159eben\u00ed<\/h3>\n<p class=\"isSelectedEnd\">Odolnost proti opot\u0159eben\u00ed je jednou z nejd\u016fle\u017eit\u011bj\u0161\u00edch v\u00fdhod tepeln\u00e9ho zpracov\u00e1n\u00ed.<\/p>\n<p class=\"isSelectedEnd\">Se zvy\u0161uj\u00edc\u00ed se tvrdost\u00ed se povrch kola st\u00e1v\u00e1 odoln\u011bj\u0161\u00edm v\u016f\u010di ot\u011bru a ztr\u00e1t\u00e1m kovu. T\u00edm se sni\u017euje opot\u0159eben\u00ed b\u011bhounu a p\u0159\u00edruby p\u0159i dlouhodob\u00e9m provozu.<\/p>\n<p class=\"isSelectedEnd\">U je\u0159\u00e1b\u016f v nep\u0159etr\u017eit\u00e9m provozu v ocel\u00e1rn\u00e1ch nebo p\u0159\u00edstavech se d\u00edky kol\u016fm odoln\u00fdm proti opot\u0159eben\u00ed v\u00fdrazn\u011b sni\u017euje \u010detnost jejich v\u00fdm\u011bny.<\/p>\n<h3>Vy\u0161\u0161\u00ed \u00fanavov\u00e1 pevnost<\/h3>\n<p class=\"isSelectedEnd\">Je\u0159\u00e1bov\u00e1 kola jsou ka\u017ed\u00fd den opakovan\u011b nam\u00e1h\u00e1na. \u010casem se pod povrchem mohou objevit \u00fanavov\u00e9 trhliny.<\/p>\n<p class=\"isSelectedEnd\">Spr\u00e1vn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed zjem\u0148uje strukturu oceli a zvy\u0161uje odolnost proti \u00fanav\u011b, co\u017e pom\u00e1h\u00e1 kol\u016fm vydr\u017eet miliony zat\u011b\u017eovac\u00edch cykl\u016f.<\/p>\n<p class=\"isSelectedEnd\">To je d\u016fle\u017eit\u00e9 zejm\u00e9na pro automatick\u00e9 stohovac\u00ed je\u0159\u00e1by, kolejov\u00e9 port\u00e1lov\u00e9 je\u0159\u00e1by a syst\u00e9my pro manipulaci s kontejnery.<\/p>\n<h3>Lep\u0161\u00ed odolnost proti n\u00e1razu<\/h3>\n<p class=\"isSelectedEnd\">Kola je\u0159\u00e1b\u016f jsou vystavena nejen valiv\u00e9mu zat\u00ed\u017een\u00ed, ale tak\u00e9 n\u00e1hl\u00fdm n\u00e1razov\u00fdm sil\u00e1m zp\u016fsoben\u00fdm spoji kolejnic, nesouosost\u00ed nebo nerovnom\u011brn\u00fdm zat\u00ed\u017een\u00edm.<\/p>\n<p class=\"isSelectedEnd\">Spr\u00e1vn\u011b tepeln\u011b zpracovan\u00e9 kolo si zachov\u00e1v\u00e1 pevnou strukturu j\u00e1dra a zabra\u0148uje tak katastrofick\u00e9mu prask\u00e1n\u00ed.<\/p>\n<p class=\"isSelectedEnd\">Tato kombinace tvrd\u00e9ho povrchu a hou\u017eevnat\u00e9ho j\u00e1dra je d\u016fvodem, pro\u010d kovan\u00e1 tepeln\u011b zpracovan\u00e1 je\u0159\u00e1bov\u00e1 kola p\u0159ekon\u00e1vaj\u00ed v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch kola lit\u00e1 bez \u00fapravy.<\/p>\n<h3>Sn\u00ed\u017een\u00ed n\u00e1klad\u016f na \u00fadr\u017ebu<\/h3>\n<p class=\"isSelectedEnd\">Tepeln\u011b upraven\u00e1 kola sice mohou b\u00fdt zpo\u010d\u00e1tku dra\u017e\u0161\u00ed, ale v pr\u016fb\u011bhu \u010dasu \u010dasto sni\u017euj\u00ed celkov\u00e9 provozn\u00ed n\u00e1klady.<\/p>\n<p class=\"isSelectedEnd\">Mezi v\u00fdhody pat\u0159\u00ed:<\/p>\n<ul data-spread=\"false\">\n<li>Del\u0161\u00ed \u017eivotnost kol<\/li>\n<li>Po\u0161kozen\u00ed doln\u00ed \u010d\u00e1sti kolejnice<\/li>\n<li>Zkr\u00e1cen\u00ed prostoj\u016f<\/li>\n<li>M\u00e9n\u011b v\u00fdm\u011bn<\/li>\n<li>Zlep\u0161en\u00e1 provozn\u00ed stabilita<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Pro provozovatele pr\u016fmyslov\u00fdch je\u0159\u00e1b\u016f se tyto v\u00fdhody p\u0159\u00edmo prom\u00edtaj\u00ed do ni\u017e\u0161\u00edch n\u00e1klad\u016f na \u00fadr\u017ebu a vy\u0161\u0161\u00ed produktivity.<\/p>\n<h2>V\u00fdznam zpevn\u011bn\u00e9 hloubky<\/h2>\n<p class=\"isSelectedEnd\">Pouh\u00e1 tvrdost povrchu nesta\u010d\u00ed. Stejn\u011b d\u016fle\u017eit\u00e1 je i hloubka kalen\u00ed.<\/p>\n<p class=\"isSelectedEnd\">Pokud je zpevn\u011bn\u00e1 vrstva p\u0159\u00edli\u0161 m\u011blk\u00e1:<\/p>\n<ul data-spread=\"false\">\n<li>Odolnost proti opot\u0159eben\u00ed rychle kles\u00e1<\/li>\n<li>Povrch se m\u016f\u017ee odlupovat nebo odlupovat<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Pokud je ztvrdl\u00e1 vrstva p\u0159\u00edli\u0161 hlubok\u00e1:<\/p>\n<ul data-spread=\"false\">\n<li>Kolo m\u016f\u017ee b\u00fdt k\u0159ehk\u00e9<\/li>\n<li>Zvy\u0161uje se riziko vzniku trhlin<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">V\u011bt\u0161ina t\u011b\u017ek\u00fdch je\u0159\u00e1bov\u00fdch kol pou\u017e\u00edv\u00e1 kalen\u00e9 hloubky od 8 mm do 15 mm v z\u00e1vislosti na pr\u016fm\u011bru kola a pou\u017eit\u00ed.<\/p>\n<p class=\"isSelectedEnd\">Ve spole\u010dnosti HL CRANE je hloubka kalen\u00ed p\u0159i v\u00fdrob\u011b pe\u010dliv\u011b kontrolov\u00e1na, aby spl\u0148ovala specifikace z\u00e1kazn\u00edk\u016f a mezin\u00e1rodn\u00ed normy.<\/p>\n<h2>Kontrola kvality po tepeln\u00e9m zpracov\u00e1n\u00ed<\/h2>\n<p class=\"isSelectedEnd\">Profesion\u00e1ln\u00ed v\u00fdrobci je\u0159\u00e1bov\u00fdch kol prov\u00e1d\u011bj\u00ed po tepeln\u00e9m zpracov\u00e1n\u00ed p\u0159\u00edsn\u00e9 zkou\u0161ky.<\/p>\n<p class=\"isSelectedEnd\">Mezi b\u011b\u017en\u00e9 kontroly pat\u0159\u00ed:<\/p>\n<ul data-spread=\"false\">\n<li>Zkou\u0161ka tvrdosti<\/li>\n<li>Ultrazvukov\u00e9 testov\u00e1n\u00ed<\/li>\n<li>Kontrola magnetick\u00fdch \u010d\u00e1stic<\/li>\n<li>Metalografick\u00e1 anal\u00fdza<\/li>\n<li>Rozm\u011brov\u00e1 kontrola<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Tyto kontroly zaji\u0161\u0165uj\u00ed, \u017ee kolo p\u0159ed dod\u00e1n\u00edm spl\u0148uje mechanick\u00e9 i provozn\u00ed po\u017eadavky.<\/p>\n<p class=\"isSelectedEnd\">Mnoho in\u017een\u00fdr\u016f se tak\u00e9 odkazuje na mezin\u00e1rodn\u00ed normy a pokyny k materi\u00e1l\u016fm:<br \/>\n<a href=\"https:\/\/www.astm.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.astm.org\/<\/a><\/p>\n<h2>V\u00fdb\u011br spr\u00e1vn\u00e9ho v\u00fdrobce je\u0159\u00e1bov\u00fdch kol<\/h2>\n<p class=\"isSelectedEnd\">Kvalita tepeln\u00e9ho zpracov\u00e1n\u00ed z\u00e1vis\u00ed do zna\u010dn\u00e9 m\u00edry na zku\u0161enostech s v\u00fdrobou a \u0159\u00edzen\u00edm procesu.<\/p>\n<p class=\"isSelectedEnd\">P\u0159i v\u00fdb\u011bru dodavatele by kupuj\u00edc\u00ed m\u011bli posoudit:<\/p>\n<ul data-spread=\"false\">\n<li>Schopnost kov\u00e1n\u00ed<\/li>\n<li>Za\u0159\u00edzen\u00ed pro tepeln\u00e9 zpracov\u00e1n\u00ed<\/li>\n<li>Kontroln\u00ed normy<\/li>\n<li>Sledovatelnost materi\u00e1lu<\/li>\n<li>Zku\u0161enosti v oboru<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Spole\u010dnost HL CRANE se specializuje na kovan\u00e1 je\u0159\u00e1bov\u00e1 kola, je\u0159\u00e1bov\u00e9 bubny, bloky \u0159emenic a komponenty pro pojezd je\u0159\u00e1b\u016f pro pr\u016fmyslov\u00e9 a p\u0159\u00edstavn\u00ed je\u0159\u00e1bov\u00e9 syst\u00e9my po cel\u00e9m sv\u011bt\u011b.<\/p>\n<h2>Z\u00e1v\u011br<\/h2>\n<p class=\"isSelectedEnd\">Tepeln\u00e9 zpracov\u00e1n\u00ed hraje z\u00e1sadn\u00ed roli p\u0159i zvy\u0161ov\u00e1n\u00ed pevnosti, odolnosti a provozn\u00ed spolehlivosti kol je\u0159\u00e1b\u016f. D\u00edky zv\u00fd\u0161en\u00ed tvrdosti, odolnosti proti opot\u0159eben\u00ed a \u00fanavov\u00e9mu v\u00fdkonu mohou spr\u00e1vn\u011b tepeln\u011b upraven\u00e1 je\u0159\u00e1bov\u00e1 kola bezpe\u010dn\u011b pracovat v extr\u00e9mn\u00edch pr\u016fmyslov\u00fdch podm\u00ednk\u00e1ch po mnoho let.<\/p>\n<p class=\"isSelectedEnd\">A\u0165 u\u017e se pou\u017e\u00edv\u00e1 induk\u010dn\u00ed kalen\u00ed, kalen\u00ed a popou\u0161t\u011bn\u00ed nebo jin\u00e9 pokro\u010dil\u00e9 procesy, c\u00edl z\u016fst\u00e1v\u00e1 stejn\u00fd: dosa\u017een\u00ed optim\u00e1ln\u00ed rovnov\u00e1hy mezi tvrdost\u00ed povrchu a hou\u017eevnatost\u00ed j\u00e1dra.<\/p>\n<p class=\"isSelectedEnd\">Na adrese <a href=\"https:\/\/www.hnhlcranes.com\/cs\" target=\"_blank\" rel=\"noopener\">HL CRANE<\/a>, nad\u00e1le dod\u00e1v\u00e1me vysoce kvalitn\u00ed tepeln\u011b zpracovan\u00e1 je\u0159\u00e1bov\u00e1 kola ur\u010den\u00e1 pro n\u00e1ro\u010dn\u00e9 zdvihac\u00ed aplikace v p\u0159\u00edstavech, ocel\u00e1rn\u00e1ch, lod\u011bnic\u00edch a t\u011b\u017ek\u00e9m v\u00fdrobn\u00edm pr\u016fmyslu.<\/p>\n<h2>\u010cASTO KLADEN\u00c9 DOTAZY<\/h2>\n<h3>1. Jak\u00e1 je nejlep\u0161\u00ed metoda tepeln\u00e9ho zpracov\u00e1n\u00ed kol je\u0159\u00e1b\u016f?<\/h3>\n<p class=\"isSelectedEnd\">Induk\u010dn\u00ed kalen\u00ed je obecn\u011b pova\u017eov\u00e1no za nejlep\u0161\u00ed metodu, proto\u017ee poskytuje vysokou povrchovou tvrdost p\u0159i zachov\u00e1n\u00ed hou\u017eevnatosti j\u00e1dra.<\/p>\n<h3>2. Jak\u00e1 tvrdost se doporu\u010duje pro kola je\u0159\u00e1b\u016f?<\/h3>\n<p class=\"isSelectedEnd\">V\u011bt\u0161ina t\u011b\u017ek\u00fdch je\u0159\u00e1bov\u00fdch kol pou\u017e\u00edv\u00e1 tvrdost povrchu v rozmez\u00ed HB300-380.<\/p>\n<h3>3. Pro\u010d je u je\u0159\u00e1bov\u00fdch kol d\u016fle\u017eit\u00e1 kalen\u00e1 hloubka?<\/h3>\n<p class=\"isSelectedEnd\">Spr\u00e1vn\u00e1 hloubka kalen\u00ed zvy\u0161uje odolnost proti opot\u0159eben\u00ed a \u00fanavovou \u017eivotnost a z\u00e1rove\u0148 zabra\u0148uje vzniku k\u0159ehk\u00fdch trhlin.<\/p>\n<h3>4. Jak\u00fd materi\u00e1l se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 pro kovan\u00e1 kola je\u0159\u00e1b\u016f?<\/h3>\n<p class=\"isSelectedEnd\">42CrMo a 35CrMo se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed, proto\u017ee nab\u00edzej\u00ed vynikaj\u00edc\u00ed pevnost a tepeln\u00e9 zpracov\u00e1n\u00ed.<\/p>\n<h3>5. Jak tepeln\u00e9 zpracov\u00e1n\u00ed sni\u017euje n\u00e1klady na \u00fadr\u017ebu je\u0159\u00e1b\u016f?<\/h3>\n<p>Tepeln\u011b zpracovan\u00e1 kola maj\u00ed del\u0161\u00ed \u017eivotnost, sni\u017euj\u00ed opot\u0159eben\u00ed kolejnic, minimalizuj\u00ed prostoje a sni\u017euj\u00ed \u010detnost v\u00fdm\u011bny.<\/p>","protected":false},"excerpt":{"rendered":"<p>Jak tepeln\u00e9 zpracov\u00e1n\u00ed zvy\u0161uje pevnost kol je\u0159\u00e1b\u016f Tepeln\u00e9 zpracov\u00e1n\u00ed zvy\u0161uje pevnost kol je\u0159\u00e1b\u016f v t\u011b\u017ek\u00fdch zvedac\u00edch syst\u00e9mech...<\/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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