{"id":3019,"date":"2024-06-01T15:02:32","date_gmt":"2024-06-01T15:02:32","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3019"},"modified":"2024-06-03T02:22:16","modified_gmt":"2024-06-03T02:22:16","slug":"heat-treatment-steel","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/cs\/bolg\/heat-treatment-steel\/","title":{"rendered":"10 z\u00e1sadn\u00edch metod tepeln\u00e9ho zpracov\u00e1n\u00ed oceli, kter\u00e9 by m\u011bl zn\u00e1t ka\u017ed\u00fd in\u017een\u00fdr"},"content":{"rendered":"<h4>Obsah<\/h4>\n<ul>\n    <li><a href=\"#annealing\">\u017d\u00edh\u00e1n\u00ed<\/a><\/li>\n    <li><a href=\"#normalizing\">Normalizace<\/a><\/li>\n    <li><a href=\"#hardening\">Zpevn\u011bn\u00ed<\/a><\/li>\n    <li><a href=\"#tempering\">Temperov\u00e1n\u00ed<\/a><\/li>\n    <li><a href=\"#martempering\">Martemperov\u00e1n\u00ed<\/a><\/li>\n    <li><a href=\"#austempering\">Austempering<\/a><\/li>\n    <li><a href=\"#stress-relieving\">Uvoln\u011bn\u00ed stresu<\/a><\/li>\n    <li><a href=\"#case-hardening\">Case Hardening<\/a><\/li>\n    <li><a href=\"#nitriding\">Nitridace<\/a><\/li>\n    <li><a href=\"#carbonitriding\">Karbonitridov\u00e1n\u00ed<\/a><\/li>\n<\/ul>\n<p>Steel is a fundamental material in various engineering and manufacturing processes, known for its versatility, strength, and durability. However, the properties of steel can be significantly enhanced through various heat treatment methods. At <a href=\"https:\/\/machining-quote.com\/cs\/\">Nab\u00eddka obr\u00e1b\u011bn\u00ed<\/a> China, we understand the importance of getting these processes right to ensure optimal performance for your projects. In this article, we&#8217;ll explore ten essential heat treatment techniques that every engineer in the manufacturing and mechanical industries should be familiar with.<\/p>\n\n<h2 id=\"basics-of-heat-treatment\">Z\u00e1klady proces\u016f tepeln\u00e9ho zpracov\u00e1n\u00ed<\/h2>\n<p>Pochopen\u00ed z\u00e1klad\u016f proces\u016f tepeln\u00e9ho zpracov\u00e1n\u00ed je nezbytn\u00e9 pro dosa\u017een\u00ed po\u017eadovan\u00fdch mechanick\u00fdch vlastnost\u00ed oceli. Tepeln\u00e9 zpracov\u00e1n\u00ed zahrnuje \u0159\u00edzen\u00e9 zah\u0159\u00edv\u00e1n\u00ed a ochlazov\u00e1n\u00ed kov\u016f za \u00fa\u010delem zm\u011bny jejich fyzik\u00e1ln\u00edch a mechanick\u00fdch vlastnost\u00ed beze zm\u011bny tvaru produktu. Pro zlep\u0161en\u00ed vlastnost\u00ed oceli, jako je tvrdost, hou\u017eevnatost, pevnost a odolnost proti opot\u0159eben\u00ed, se pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 metody tepeln\u00e9ho zpracov\u00e1n\u00ed.<\/p>\n\n<h3>V\u00fdznam tepeln\u00e9ho zpracov\u00e1n\u00ed<\/h3>\n<ul>\n    <li>Zlep\u0161uje mechanick\u00e9 vlastnosti<\/li>\n    <li>Zvy\u0161uje odolnost proti opot\u0159eben\u00ed<\/li>\n    <li>Zvy\u0161uje hou\u017eevnatost a pevnost<\/li>\n    <li>Sni\u017euje vnit\u0159n\u00ed nap\u011bt\u00ed<\/li>\n<\/ul>\n\n<h3>Kl\u00ed\u010dov\u00e9 parametry tepeln\u00e9ho zpracov\u00e1n\u00ed<\/h3>\n<p>Pro efektivn\u00ed tepeln\u00e9 zpracov\u00e1n\u00ed oceli je rozhoduj\u00edc\u00ed kontrola n\u00e1sleduj\u00edc\u00edch parametr\u016f:<\/p>\n<ul>\n    <li>Teplota<\/li>\n    <li>\u010cas<\/li>\n    <li>Rychlost chlazen\u00ed<\/li>\n    <li>Austenitizace<\/li>\n<\/ul>\n\n<h2 id=\"annealing\">1. \u017d\u00edh\u00e1n\u00ed<\/h2>\n<p>\u017d\u00edh\u00e1n\u00ed je tepeln\u00e9 zpracov\u00e1n\u00ed, p\u0159i kter\u00e9m se ocel zah\u0159\u00edv\u00e1 na ur\u010ditou teplotu a pot\u00e9 pomalu ochlazuje. Tento proces zm\u011bk\u010duje ocel, zlep\u0161uje jej\u00ed obrobitelnost a zlep\u0161uje jej\u00ed ta\u017enost. V Machining Quote China doporu\u010dujeme \u017e\u00edh\u00e1n\u00ed pro sn\u00ed\u017een\u00ed vnit\u0159n\u00edho pnut\u00ed a zlep\u0161en\u00ed celkov\u00e9 zpracovatelnosti ocelov\u00fdch sou\u010d\u00e1st\u00ed.<\/p>\n\n<h3>V\u00fdhody \u017e\u00edh\u00e1n\u00ed<\/h3>\n<ul>\n    <li>Vylep\u0161en\u00e1 obrobitelnost<\/li>\n    <li>Zv\u00fd\u0161en\u00e1 ta\u017enost<\/li>\n    <li>Sn\u00ed\u017een\u00ed vnit\u0159n\u00edch pnut\u00ed<\/li>\n<\/ul>\n\n<h3>Kroky procesu \u017e\u00edh\u00e1n\u00ed<\/h3>\n<ol>\n    <li>Zah\u0159\u00edv\u00e1n\u00ed oceli na ur\u010dit\u00fd teplotn\u00ed rozsah<\/li>\n    <li>Po ur\u010ditou dobu ji dr\u017ete p\u0159i t\u00e9to teplot\u011b<\/li>\n    <li>Pomalu jej ochla\u010fte na pokojovou teplotu<\/li>\n<\/ol>\n\n<h2 id=\"normalizing\">2. Normalizace<\/h2>\n<p>Normalizace zahrnuje zah\u0159\u00e1t\u00ed oceli na teplotu nad jej\u00ed kritick\u00fd rozsah a n\u00e1sledn\u00e9 ochlazen\u00ed na vzduchu. Prim\u00e1rn\u00edm c\u00edlem je zjemnit strukturu zrna a u\u010dinit ocel jednotn\u011bj\u0161\u00ed. Tato metoda je zvl\u00e1\u0161t\u011b v\u00fdhodn\u00e1 pro eliminaci rozd\u00edl\u016f v mechanick\u00fdch vlastnostech oceli po jej\u00edm opracov\u00e1n\u00ed za tepla.<\/p>\n\n<h3>V\u00fdhody normalizace<\/h3>\n<ul>\n    <li>Rafinovan\u00e1 struktura zrna<\/li>\n    <li>Jednotn\u011bj\u0161\u00ed mechanick\u00e9 vlastnosti<\/li>\n<\/ul>\n\n<h3>Normalizace vs. \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>Zat\u00edmco oba procesy zlep\u0161uj\u00ed vlastnosti oceli, normalizace obvykle vede k tvrd\u0161\u00edmu a pevn\u011bj\u0161\u00edmu materi\u00e1lu ve srovn\u00e1n\u00ed s \u017e\u00edh\u00e1n\u00edm. Normalizace m\u00e1 za c\u00edl jednotn\u011bj\u0161\u00ed strukturu zrna a je zvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00e1 tam, kde je vy\u017eadov\u00e1n pevn\u011bj\u0161\u00ed materi\u00e1l.<\/p>\n\n<h3>Normalizace krok\u016f procesu<\/h3>\n<ul>\n    <li>Zah\u0159\u00edv\u00e1n\u00ed na nad kritickou teplotu<\/li>\n    <li>Chlazen\u00ed na vzduchu<\/li>\n<\/ul>\n\n<h2 id=\"hardening\">3. Kalen\u00ed<\/h2>\n<p>Kalen\u00ed zahrnuje zah\u0159\u00e1t\u00ed oceli na vysokou teplotu a n\u00e1sledn\u00e9 rychl\u00e9 ochlazen\u00ed kalen\u00edm. Tato metoda zvy\u0161uje tvrdost a pevnost oceli. M\u016f\u017ee v\u0161ak tak\u00e9 zp\u016fsobit, \u017ee materi\u00e1l bude k\u0159eh\u010d\u00ed, tak\u017ee \u010dasto n\u00e1sleduje popou\u0161t\u011bn\u00ed, aby se dos\u00e1hlo po\u017eadovan\u00e9 rovnov\u00e1hy mezi tvrdost\u00ed a hou\u017eevnatost\u00ed.<\/p>\n\n<h3>Metody kalen\u00ed<\/h3>\n<ul>\n    <li>Kalen\u00ed oleje<\/li>\n    <li>Kalen\u00ed vodou<\/li>\n    <li>Ha\u0161en\u00ed vzduchem<\/li>\n<\/ul>\n\n<h3>Proces kalen\u00ed<\/h3>\n<ol>\n    <li>Zah\u0159ejte na kritickou teplotu<\/li>\n    <li>Kalen\u00ed v oleji, vod\u011b nebo vzduchu<\/li>\n    <li>Voliteln\u00e9 temperov\u00e1n\u00ed pro sn\u00ed\u017een\u00ed k\u0159ehkosti<\/li>\n<\/ol>\n\n<h2 id=\"tempering\">4. Temperov\u00e1n\u00ed<\/h2>\n<p>Po kalen\u00ed n\u00e1sleduje temperov\u00e1n\u00ed a zahrnuje op\u011btovn\u00e9 zah\u0159\u00e1t\u00ed oceli na teplotu pod kritick\u00fdm bodem a pot\u00e9 jej\u00ed ochlazen\u00ed na vzduchu. Tento proces odstra\u0148uje k\u0159ehkost z procesu kalen\u00ed a zlep\u0161uje hou\u017eevnatost p\u0159i zachov\u00e1n\u00ed tvrdosti.<\/p>\n\n<h3>F\u00e1ze temperov\u00e1n\u00ed<\/h3>\n<ol>\n    <li>Op\u011btovn\u00fd oh\u0159ev na podkritickou teplotu<\/li>\n    <li>Chlazen\u00ed na vzduchu<\/li>\n<\/ol>\n\n<h3>V\u00fdhody temperov\u00e1n\u00ed<\/h3>\n<ul>\n    <li>Sni\u017euje k\u0159ehkost<\/li>\n    <li>Zlep\u0161uje ta\u017enost<\/li>\n    <li>Zvy\u0161uje hou\u017eevnatost<\/li>\n<\/ul>\n\n<h2 id=\"martempering\">5. Martemperov\u00e1n\u00ed<\/h2>\n<p>Martempering, tak\u00e9 zn\u00e1m\u00fd jako marquenching, zahrnuje kalen\u00ed oceli v m\u00e9diu p\u0159i teplot\u011b t\u011bsn\u011b nad jej\u00ed po\u010d\u00e1te\u010dn\u00ed teplotou martenzitu, jej\u00ed udr\u017eov\u00e1n\u00ed, dokud nen\u00ed teplota stejnom\u011brn\u00e1, a pot\u00e9 ochlazen\u00ed na vzduchu. Tato technika sni\u017euje zbytkov\u00e1 nap\u011bt\u00ed a minimalizuje riziko prask\u00e1n\u00ed.<\/p>\n\n<h3>Martemperovac\u00ed kroky<\/h3>\n<ul>\n    <li>Po\u010d\u00e1te\u010dn\u00ed rychl\u00e9 kalen\u00ed<\/li>\n    <li>Udr\u017eov\u00e1no p\u0159i teplot\u011b nad martenzitick\u00fdm startem<\/li>\n    <li>Chlazen\u00ed vzduchem<\/li>\n<\/ul>\n\n<h3>Martempering vs. tradi\u010dn\u00ed kalen\u00ed<\/h3>\n<p>Na rozd\u00edl od tradi\u010dn\u00edho kalen\u00ed poskytuje martemperov\u00e1n\u00ed kontrolovan\u00e9 chladic\u00ed prost\u0159ed\u00ed, kter\u00e9 sni\u017euje pravd\u011bpodobnost deformace a vnit\u0159n\u00edho pnut\u00ed, co\u017e m\u00e1 za n\u00e1sledek vynikaj\u00edc\u00ed mechanickou strukturu oceli.<\/p>\n\n<h2 id=\"austempering\">6. Temperov\u00e1n\u00ed<\/h2>\n<p>Austenitick\u00e9 kalen\u00ed zahrnuje kalen\u00ed oceli z austenitiza\u010dn\u00ed teploty do hork\u00e9 l\u00e1zn\u011b o teplot\u011b, kde se p\u0159em\u011bn\u00ed na bainit. V\u00fdsledkem je struktura, kter\u00e1 nab\u00edz\u00ed dobrou pevnost a hou\u017eevnatost, mnohem lep\u0161\u00ed ne\u017e tradi\u010dn\u00ed metody kalen\u00ed.<\/p>\n\n<h3>V\u00fdhody Austemperingu<\/h3>\n<ul>\n    <li>Zv\u00fd\u0161en\u00e1 hou\u017eevnatost<\/li>\n    <li>Sn\u00ed\u017een\u00e9 zkreslen\u00ed<\/li>\n<\/ul>\n\n<h3>Proces temperov\u00e1n\u00ed<\/h3>\n<ol>\n    <li>Zah\u0159\u00edv\u00e1n\u00ed oceli na austenitiza\u010dn\u00ed teplotu<\/li>\n    <li>Uha\u0161en\u00ed do hork\u00e9 l\u00e1zn\u011b<\/li>\n    <li>Dr\u017ete, dokud nen\u00ed bainitick\u00e1 transformace dokon\u010dena<\/li>\n<\/ol>\n\n<h2 id=\"stress-relieving\">7. Uvoln\u011bn\u00ed stresu<\/h2>\n<p>Uvoln\u011bn\u00ed pnut\u00ed je technika tepeln\u00e9ho zpracov\u00e1n\u00ed, kter\u00e1 zahrnuje zah\u0159\u00e1t\u00ed oceli na teplotu pod kritick\u00fdm bodem a jej\u00ed udr\u017een\u00ed na t\u00e9to teplot\u011b p\u0159ed postupn\u00fdm ochlazen\u00edm. Tento proces m\u00e1 za c\u00edl sn\u00ed\u017eit vnit\u0159n\u00ed nap\u011bt\u00ed nahromad\u011bn\u00e9 b\u011bhem v\u00fdroby, ani\u017e by se zm\u011bnila mikrostruktura materi\u00e1lu.<\/p>\n\n<h3>V\u00fdhody \u00falevy od stresu<\/h3>\n<ul>\n    <li>Sni\u017euje zbytkov\u00e1 nap\u011bt\u00ed<\/li>\n    <li>Zachov\u00e1v\u00e1 p\u016fvodn\u00ed mikrostrukturu<\/li>\n<\/ul>\n\n<h3>B\u011b\u017en\u00e9 aplikace<\/h3>\n<p>Typick\u00e9 aplikace pro odleh\u010den\u00ed pnut\u00ed zahrnuj\u00ed ozuben\u00e1 kola, h\u0159\u00eddele a dal\u0161\u00ed sou\u010d\u00e1sti, kter\u00e9 b\u011bhem sv\u00e9 \u017eivotnosti podl\u00e9haj\u00ed intenzivn\u00edmu obr\u00e1b\u011bn\u00ed nebo mechanick\u00e9mu zat\u00ed\u017een\u00ed. Zm\u00edrn\u011bn\u00edm vnit\u0159n\u00edho pnut\u00ed zaji\u0161\u0165uje uvoln\u011bn\u00ed pnut\u00ed spolehliv\u011bj\u0161\u00ed v\u00fdkon kritick\u00fdch ocelov\u00fdch d\u00edl\u016f.<\/p>\n\n<h2 id=\"case-hardening\">8. Case Hardening<\/h2>\n<p>Cementov\u00e1n\u00ed zahrnuje kalen\u00ed povrchu oceli p\u0159i zachov\u00e1n\u00ed m\u011bkk\u00e9ho j\u00e1dra. Proces lze prov\u00e9st nauhli\u010den\u00edm, nitridac\u00ed nebo karbonitridac\u00ed, \u010d\u00edm\u017e je povrchov\u00e1 vrstva tvrd\u00e1 a odoln\u00e1 proti opot\u0159eben\u00ed p\u0159i zachov\u00e1n\u00ed hou\u017eevnatosti a ta\u017enosti j\u00e1dra.<\/p>\n\n<h3>Typy cementov\u00e1n\u00ed<\/h3>\n<table border=\"1\">\n    <tr>\n        <th>Typ<\/th>\n        <th>Popis<\/th>\n    <\/tr>\n    <tr>\n        <td>Uhli\u010dov\u00e1n\u00ed<\/td>\n        <td>P\u0159id\u00e1n\u00ed uhl\u00edku na povrch<\/td>\n    <\/tr>\n    <tr>\n        <td>Nitridace<\/td>\n        <td>P\u0159id\u00e1n\u00ed dus\u00edku na povrch<\/td>\n    <\/tr>\n    <tr>\n        <td>Karbonitridov\u00e1n\u00ed<\/td>\n        <td>P\u0159id\u00e1n\u00ed uhl\u00edku a dus\u00edku<\/td>\n    <\/tr>\n<\/table>\n\n<h3>Kdy pou\u017e\u00edt Case Hardening<\/h3>\n<p>Povrchov\u00e9 kalen\u00ed je vhodn\u00e9 pro aplikace, kde je rozhoduj\u00edc\u00ed tvrd\u00fd povrch odoln\u00fd proti opot\u0159eben\u00ed, ale j\u00e1dro mus\u00ed z\u016fstat hou\u017eevnat\u00e9 a tv\u00e1rn\u00e9. P\u0159\u00edklady zahrnuj\u00ed ozuben\u00e1 kola, va\u010dky a v\u00e1le\u010dky.<\/p>\n\n<h2 id=\"nitriding\">9. Nitridace<\/h2>\n<p>Nitridace zahrnuje difuzi dus\u00edku do povrchu oceli p\u0159i podkritick\u00e9 teplot\u011b. V\u00fdsledkem procesu je tvrd\u00fd povrch odoln\u00fd proti opot\u0159eben\u00ed bez pot\u0159eby kalen\u00ed a temperov\u00e1n\u00ed. Je ide\u00e1ln\u00ed pro d\u00edly vy\u017eaduj\u00edc\u00ed vysokou odolnost proti opot\u0159eben\u00ed a \u00fanavovou pevnost.<\/p>\n\n<h3>Pro\u010d pou\u017e\u00edvat nitridaci<\/h3>\n<ul>\n    <li>Vysok\u00e1 odolnost proti opot\u0159eben\u00ed<\/li>\n    <li>Zlep\u0161en\u00e1 \u00fanavov\u00e1 pevnost<\/li>\n    <li>Bez zkreslen\u00ed<\/li>\n<\/ul>\n\n<h3>Nitrida\u010dn\u00ed aplikace<\/h3>\n<p>Nitridace se \u0161iroce pou\u017e\u00edv\u00e1 v aplikac\u00edch zahrnuj\u00edc\u00edch vysok\u00e9 cyklick\u00e9 zat\u00ed\u017een\u00ed a kontaktn\u00ed nam\u00e1h\u00e1n\u00ed prost\u0159ed\u00ed, jako jsou klikov\u00e9 h\u0159\u00eddele, va\u010dkov\u00e9 h\u0159\u00eddele a \u010d\u00e1sti ventil\u016f. Zv\u00fd\u0161en\u00e1 tvrdost povrchu a zv\u00fd\u0161en\u00e1 \u00fanavov\u00e1 pevnost v\u00fdrazn\u011b zlep\u0161uj\u00ed \u017eivotnost a v\u00fdkon t\u011bchto sou\u010d\u00e1st\u00ed.<\/p>\n\n<h2 id=\"carbonitriding\">10. Karbonitridace<\/h2>\n<p>Karbonitridace je podobn\u00e1 nauhli\u010dov\u00e1n\u00ed, ale zahrnuje dif\u00fazi uhl\u00edku i dus\u00edku do povrchu oceli. Tento proces se obvykle prov\u00e1d\u00ed p\u0159i ni\u017e\u0161\u00ed teplot\u011b a v\u00fdsledkem je tvrd\u00e9 pouzdro odoln\u00e9 proti opot\u0159eben\u00ed se zlep\u0161enou hou\u017eevnatost\u00ed.<\/p>\n\n<h3>Proces karbonitridace<\/h3>\n<ul>\n    <li>Teplo do rozsahu nauhli\u010dov\u00e1n\u00ed<\/li>\n    <li>Zave\u010fte uhl\u00edk a dus\u00edk<\/li>\n    <li>Uhaste, aby povrch vytvrdil<\/li>\n<\/ul>\n\n<h3>V\u00fdhody karbonitridu<\/h3>\n<ul>\n    <li>Zv\u00fd\u0161en\u00e1 tvrdost povrchu<\/li>\n    <li>Vylep\u0161en\u00e1 hou\u017eevnatost<\/li>\n    <li>Ni\u017e\u0161\u00ed teploty zpracov\u00e1n\u00ed<\/li>\n<\/ul>\n\n<h2>souhrn<\/h2>\n<p>Pochopen\u00ed r\u016fzn\u00fdch metod tepeln\u00e9ho zpracov\u00e1n\u00ed je z\u00e1sadn\u00ed pro ka\u017ed\u00e9ho in\u017een\u00fdra pracuj\u00edc\u00edho s ocel\u00ed. Ve spole\u010dnosti Machining Quote China jsme hrd\u00ed na na\u0161i odbornost v t\u011bchto procesech, abychom v\u00e1m mohli dodat ty nejkvalitn\u011bj\u0161\u00ed CNC obr\u00e1b\u011bn\u00e9 ocelov\u00e9 komponenty. Zvl\u00e1dnut\u00edm technik, jako je \u017e\u00edh\u00e1n\u00ed, normalizace, kalen\u00ed, popou\u0161t\u011bn\u00ed, martemperov\u00e1n\u00ed, austomerov\u00e1n\u00ed, odbour\u00e1v\u00e1n\u00ed pnut\u00ed, cementov\u00e1n\u00ed, nitridov\u00e1n\u00ed a karbonitridov\u00e1n\u00ed, m\u016f\u017eete pro sv\u00e9 projekty dos\u00e1hnout po\u017eadovan\u00e9 rovnov\u00e1hy tvrdosti, pru\u017enosti a odolnosti proti opot\u0159eben\u00ed. Pro podrobn\u011bj\u0161\u00ed pokyny nav\u0161tivte na\u0161i webovou str\u00e1nku www.machining-quote.com.<\/p>","protected":false},"excerpt":{"rendered":"<p>Table of Contents Annealing Normalizing Hardening Tempering Martempering Austempering Stress Relieving Case Hardening Nitriding Carbonitriding Steel is a fundamental material in various engineering and manufacturing processes, known for its versatility, strength, and durability. However, the properties of steel can be significantly enhanced through various heat treatment methods. 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