{"id":16742,"date":"2026-04-03T07:02:05","date_gmt":"2026-04-03T07:02:05","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=16742"},"modified":"2026-04-03T08:08:08","modified_gmt":"2026-04-03T08:08:08","slug":"casting-crane-sheaves-lower-cost-longer-lifespan","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/cs\/casting-crane-sheaves-lower-cost-longer-lifespan\/","title":{"rendered":"Je\u0159\u00e1bov\u00e9 kladky pro lit\u00ed: Ni\u017e\u0161\u00ed n\u00e1klady a del\u0161\u00ed \u017eivotnost"},"content":{"rendered":"<p>Odl\u00e9v\u00e1n\u00ed je z\u00e1kladn\u00edm procesem v modern\u00ed v\u00fdrob\u011b za\u0159\u00edzen\u00ed. Je\u0159\u00e1bov\u00e9 kladky pro odl\u00e9v\u00e1n\u00ed se vyr\u00e1b\u011bj\u00ed roztaven\u00edm kovu na roztaven\u00fd kov, kter\u00fd spl\u0148uje specifick\u00e9 po\u017eadavky, jeho nalit\u00edm do formy a n\u00e1sledn\u00fdm ochlazen\u00edm, ztuhnut\u00edm a \u010di\u0161t\u011bn\u00edm, \u010d\u00edm\u017e se z\u00edsk\u00e1 kladka p\u0159edem ur\u010den\u00e9ho tvaru a velikosti. Proto\u017ee polotovar je\u0159\u00e1bov\u00e9 kladky pro odl\u00e9v\u00e1n\u00ed je t\u00e9m\u011b\u0159 dokonale tvarovan\u00fd, sni\u017euj\u00ed se v\u00fdrobn\u00ed n\u00e1klady a do ur\u010dit\u00e9 m\u00edry se zkracuje doba v\u00fdroby. B\u011b\u017en\u011b se pou\u017e\u00edvaj\u00ed ve zdvihac\u00edch stroj\u00edch a za\u0159\u00edzen\u00edch ve stavebnictv\u00ed a v\u00fdrobn\u00edm pr\u016fmyslu nebo v n\u00e1ro\u010dn\u00fdch pracovn\u00edch prost\u0159ed\u00edch. Maj\u00ed ur\u010dit\u00fd stupe\u0148 plasticity, dlouhou \u017eivotnost a nejsou snadno po\u0161kozen\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Technick\u00e9 parametry kladek je\u0159\u00e1b\u016f pro lit\u00ed<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pr\u016fm\u011br: \u03a6250 mm-\u03a63000 mm<\/li>\n\n\n\n<li>Materi\u00e1l: ocel 45#\/ocel 35CrMo\/ocel 42CrMo\/Q345E (pou\u017e\u00edv\u00e1 se pro -40\u2103)<\/li>\n\n\n\n<li>Dr\u00e1\u017eka kladky: tepeln\u00e9 zpracov\u00e1n\u00ed dr\u00e1\u017eky kalen\u00edm na st\u0159edn\u00ed frekvenci, tvrdost min. HB350-370 a hloubka p\u0159ibli\u017en\u011b \u22652,5 mm. (Na z\u00e1klad\u011b r\u016fzn\u00fdch materi\u00e1l\u016f)<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1248\" height=\"832\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Casting-iron-crane-sheaves.jpg\" alt=\"\" class=\"wp-image-16746\"><figcaption class=\"wp-element-caption\"><a href=\"#sheave-1\">Litinov\u00e9 je\u0159\u00e1bov\u00e9 kladky<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1248\" height=\"832\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Casting-steel-crane-sheaves.jpg\" alt=\"\" class=\"wp-image-16747\"><figcaption class=\"wp-element-caption\"><a href=\"#sheave-2\">Odl\u00e9v\u00e1n\u00ed ocelov\u00fdch je\u0159\u00e1bov\u00fdch kladek<\/a><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"sheave-1\">Litinov\u00e9 je\u0159\u00e1bov\u00e9 kladky<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pulley_Sheave_16-scaled.jpg\" alt=\"\" class=\"wp-image-16743\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pulley_Sheave_16-scaled.jpg 2560w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pulley_Sheave_16-1536x1024.jpg 1536w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pulley_Sheave_16-2048x1365.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>Jsou vyrobeny ze \u0161ed\u00e9 litiny t\u0159\u00eddy HT200 a vy\u0161\u0161\u00ed, nebo z tv\u00e1rn\u00e9 litiny t\u0159\u00eddy QT400-15 a vy\u0161\u0161\u00ed, p\u0159i\u010dem\u017e ob\u011b tyto materi\u00e1ly obsahuj\u00ed vysok\u00e9 hladiny uhl\u00edku a k\u0159em\u00edku. Jsou proto vhodn\u011bj\u0161\u00ed pro kladkostroje s jedn\u00edm nosn\u00edkem, elektrick\u00e9 kladkostroje, lehk\u00e9 navij\u00e1kov\u00e9 voz\u00edky a lehk\u00e9 vnit\u0159n\u00ed aplikace.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Vlastnosti litinov\u00fdch je\u0159\u00e1bov\u00fdch kladek<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ni\u017e\u0161\u00ed n\u00e1klady: Suroviny jsou levn\u00e9, obvykle se pou\u017e\u00edv\u00e1 \u0161ed\u00e1 litina nebo tv\u00e1rn\u00e1 litina. K cenov\u00e9 v\u00fdhod\u011b p\u0159isp\u00edv\u00e1 i relativn\u011b jednoduch\u00fd proces odl\u00e9v\u00e1n\u00ed a krat\u0161\u00ed doba v\u00fdroby.<\/li>\n\n\n\n<li>Dobr\u00fd v\u00fdkon p\u0159i odl\u00e9v\u00e1n\u00ed: Lep\u0161\u00ed vnit\u0159n\u00ed tekutost umo\u017e\u0148uje snadn\u011bj\u0161\u00ed odl\u00e9v\u00e1n\u00ed do slo\u017eit\u00fdch tvar\u016f. Litina m\u00e1 nav\u00edc ni\u017e\u0161\u00ed smr\u0161t\u011bn\u00ed, co\u017e sni\u017euje pravd\u011bpodobnost vnit\u0159n\u00edch vad, jako jsou smr\u0161\u0165ovac\u00ed dutiny a p\u00f3rovitost, co\u017e vede k v\u011bt\u0161\u00ed trvanlivosti.<\/li>\n\n\n\n<li>Vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed: \u0160ed\u00e1 litina obsahuje uhl\u00edk 2%-4% a k\u0159em\u00edk 1%-3%, zat\u00edmco tv\u00e1rn\u00e1 litina obsahuje uhl\u00edk 2%-4% a m\u00e9n\u011b ne\u017e 1% k\u0159em\u00edku, co\u017e j\u00ed d\u00e1v\u00e1 vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed a je vhodn\u00e1 pro aplikace vy\u017eaduj\u00edc\u00ed vysokou odolnost proti opot\u0159eben\u00ed.<\/li>\n\n\n\n<li>Dobr\u00e9 tlumen\u00ed vibrac\u00ed: \u0160ed\u00e1 litina m\u00e1 pevnost v tlaku p\u0159ibli\u017en\u011b 3\u20134kr\u00e1t vy\u0161\u0161\u00ed ne\u017e pevnost v tahu, \u010d\u00edm\u017e se bl\u00ed\u017e\u00ed pevnosti v tahu n\u00edzkouhl\u00edkov\u00e9 oceli. A tv\u00e1rn\u00e1 litina m\u00e1 vy\u0161\u0161\u00ed modul pru\u017enosti a r\u00e1zovou hou\u017eevnatost. Ob\u011b varianty nab\u00edzej\u00ed ur\u010dit\u00e9 vlastnosti tlumen\u00ed vibrac\u00ed.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Aplikace litinov\u00fdch je\u0159\u00e1bov\u00fdch kladek<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/casting-crane-sheaves-application-02.jpg\" alt=\"\" class=\"wp-image-16748\"><figcaption class=\"wp-element-caption\">Pou\u017e\u00edv\u00e1 se k vyva\u017eov\u00e1n\u00ed zvedac\u00edch nosn\u00edk\u016f<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Litinov\u00e9 je\u0159\u00e1bov\u00e9 kladky lze pou\u017e\u00edt jako sou\u010d\u00e1sti v\u00e1zac\u00edch prost\u0159edk\u016f, proto\u017ee jejich n\u00edzk\u00fd modul pru\u017enosti sni\u017euje tlakov\u00e9 nap\u011bt\u00ed a prodlu\u017euje \u017eivotnost ocelov\u00e9ho lana.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"623\" height=\"415\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/casting-crane-sheaves-application-03.jpg\" alt=\"\" class=\"wp-image-16749\"><figcaption class=\"wp-element-caption\">Pou\u017e\u00edv\u00e1 se pro zved\u00e1n\u00ed blok\u016f<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Litinov\u00e9 je\u0159\u00e1bov\u00e9 kladky jsou vhodn\u00e9 pro n\u00edzko\u00farov\u0148ov\u00e9 pracovn\u00ed podm\u00ednky, jako je lehk\u00e9 nebo st\u0159edn\u00ed zat\u00ed\u017een\u00ed, jsou relativn\u011b levn\u00e9 a maj\u00ed lep\u0161\u00ed odolnost proti opot\u0159eben\u00ed.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1184\" height=\"789\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/casting-crane-sheaves-application-04.png\" alt=\"\" class=\"wp-image-16750\"><figcaption class=\"wp-element-caption\">Pou\u017e\u00edv\u00e1 se pro p\u00e1sov\u00e9 je\u0159\u00e1by<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Litinov\u00e9 kladky nab\u00edzej\u00ed lep\u0161\u00ed tlumen\u00ed n\u00e1raz\u016f, d\u00edky \u010demu\u017e jsou vhodn\u00e9 pro mobiln\u00ed zvedac\u00ed za\u0159\u00edzen\u00ed a z\u00e1rove\u0148 chr\u00e1n\u00ed ocelov\u00e9 lano.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"sheave-2\">Odl\u00e9v\u00e1n\u00ed ocelov\u00fdch je\u0159\u00e1bov\u00fdch kladek<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pulley_Sheave_17-scaled.jpg\" alt=\"\" class=\"wp-image-16744\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pulley_Sheave_17-scaled.jpg 2560w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pulley_Sheave_17-1536x1024.jpg 1536w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pulley_Sheave_17-2048x1365.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>Jsou vyrobeny z oceli ZG270-500 a vy\u0161\u0161\u00ed, kter\u00e1 m\u00e1 vysok\u00e9 komplexn\u00ed mechanick\u00e9 vlastnosti a obvykle obsahuje uhl\u00edk o obsahu 0,21 TP1T a\u017e 1,51 TP1T a dal\u0161\u00ed leguj\u00edc\u00ed prvky. Jsou proto ide\u00e1ln\u00ed pro n\u00e1ro\u010dn\u00e9 nebo drsn\u00e9 venkovn\u00ed podm\u00ednky a b\u011b\u017en\u011b se pou\u017e\u00edvaj\u00ed u dvounosn\u00edkov\u00fdch, port\u00e1lov\u00fdch a mobiln\u00edch je\u0159\u00e1b\u016f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Vlastnosti lic\u00edch ocelov\u00fdch je\u0159\u00e1bov\u00fdch kladek<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vy\u0161\u0161\u00ed komplexn\u00ed mechanick\u00e9 vlastnosti: Proto\u017ee obsah uhl\u00edku v lit\u00e9 oceli je obvykle mezi 0,02% a 2,11%, je pevn\u011bj\u0161\u00ed, m\u00e9n\u011b n\u00e1chyln\u00e1 ke k\u0159ehk\u00e9mu lomu a m\u00e1 ur\u010ditou r\u00e1zovou hou\u017eevnatost.<\/li>\n\n\n\n<li>Vynikaj\u00edc\u00ed kvalita povrchu: Dosahuje vysok\u00e9 rozm\u011brov\u00e9 p\u0159esnosti a povrchov\u00e9 \u00fapravy, \u010d\u00edm\u017e se zlep\u0161uje celkov\u00e1 kvalita povrchu \u0159emenice.<\/li>\n\n\n\n<li>Lep\u0161\u00ed odolnost: Ocel obvykle obsahuje prvky, jako je k\u0159em\u00edk, mangan, fosfor a s\u00edra. Pro dal\u0161\u00ed zv\u00fd\u0161en\u00ed tepeln\u00e9 odolnosti a odolnosti proti korozi lze p\u0159idat specifick\u00e9 leguj\u00edc\u00ed prvky.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Aplikace lic\u00edch ocelov\u00fdch je\u0159\u00e1bov\u00fdch kladek<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/casting-crane-sheaves-application-01.jpg\" alt=\"\" class=\"wp-image-16753\"><figcaption class=\"wp-element-caption\">Pou\u017e\u00edv\u00e1 se pro sestavy je\u0159\u00e1bov\u00fdch h\u00e1k\u016f<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00edky lep\u0161\u00edmu usazen\u00ed dr\u00e1\u017eek lana v je\u0159\u00e1bov\u00fdch kladk\u00e1ch z lit\u00e9 oceli je ocelov\u00e9 lano vystaveno rovnom\u011brn\u011bj\u0161\u00edmu nam\u00e1h\u00e1n\u00ed, co\u017e sni\u017euje n\u00e1razy generovan\u00e9 p\u0159i zved\u00e1n\u00ed pomoc\u00ed z\u00e1v\u011bs\u016f, jako jsou nap\u0159\u00edklad vahadla.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1248\" height=\"832\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/casting-crane-sheaves-application-05.jpg\" alt=\"\" class=\"wp-image-16754\"><figcaption class=\"wp-element-caption\">Pou\u017e\u00edv\u00e1 se pro ru\u010dn\u00ed navij\u00e1kov\u00e9 voz\u00edky<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Je\u0159\u00e1bov\u00e9 kladky z lit\u00e9 oceli jsou ide\u00e1ln\u00ed pro n\u00edzkofrekven\u010dn\u00ed zdvihac\u00ed operace mal\u00fdch a\u017e st\u0159edn\u00edch nosnost\u00ed s del\u0161\u00ed \u017eivotnost\u00ed a jsou vhodn\u00e9 pro pou\u017eit\u00ed v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1728\" height=\"1152\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/casting-crane-sheaves-application-06.jpg\" alt=\"\" class=\"wp-image-16755\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/casting-crane-sheaves-application-06.jpg 1728w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/casting-crane-sheaves-application-06-1536x1024.jpg 1536w\" sizes=\"(max-width: 1728px) 100vw, 1728px\" \/><figcaption class=\"wp-element-caption\">Pou\u017e\u00edv\u00e1 se pro port\u00e1lov\u00e9 je\u0159\u00e1by<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Je\u0159\u00e1bov\u00e9 kladky z lit\u00e9 oceli jsou vhodn\u00e9 pro n\u00e1ro\u010dn\u00e9 pracovn\u00ed podm\u00ednky, odol\u00e1vaj\u00ed intenzivn\u00edm n\u00e1raz\u016fm a jsou odoln\u00e9 v\u016f\u010di korozi a katal\u00fdze i p\u0159i venkovn\u00edm pou\u017eit\u00ed, p\u0159i\u010dem\u017e vykazuj\u00ed vynikaj\u00edc\u00ed odolnost v\u016f\u010di pov\u011btrnostn\u00edm vliv\u016fm.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdrobn\u00ed proces odl\u00e9v\u00e1n\u00ed je\u0159\u00e1bov\u00fdch kladek&nbsp;<\/h2>\n\n\n\n<p>Lit\u00ed do p\u00edskov\u00fdch forem je nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed metodou p\u0159i v\u00fdrob\u011b kladek je\u0159\u00e1b\u016f pro odl\u00e9v\u00e1n\u00ed a d\u011bl\u00ed se na dva typy: ru\u010dn\u011b vyr\u00e1b\u011bn\u00e9 d\u0159ev\u011bn\u00e9 formy a strojn\u011b vyr\u00e1b\u011bn\u00e9 kovov\u00e9 formy. Ve srovn\u00e1n\u00ed s ru\u010dn\u011b vyr\u00e1b\u011bn\u00fdmi d\u0159ev\u011bn\u00fdmi formami vyr\u00e1b\u011bj\u00ed strojn\u011b vyr\u00e1b\u011bn\u00e9 kovov\u00e9 formy odlitky s vy\u0161\u0161\u00ed p\u0159esnost\u00ed, lep\u0161\u00ed kvalitou povrchu a vy\u0161\u0161\u00ed efektivitou v\u00fdroby, co\u017e je \u010din\u00ed vhodn\u011bj\u0161\u00edmi pro hromadnou v\u00fdrobu mal\u00fdch a st\u0159edn\u00edch odlitk\u016f. N\u00e1sleduje postup odl\u00e9v\u00e1n\u00ed kladek je\u0159\u00e1b\u016f pro odl\u00e9v\u00e1n\u00ed do kovov\u00fdch forem:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pattern-making.jpg\" alt=\"\" class=\"wp-image-16756\"><figcaption class=\"wp-element-caption\">Tvorba vzor\u016f<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Struktura odlitku s kladkou je navr\u017eena tak, aby bylo zaji\u0161t\u011bno rovnom\u011brn\u00e9 nap\u011bt\u00ed a deformace. Tlou\u0161\u0165ka st\u011bny by m\u011bla b\u00fdt hladk\u00e1, aby se sn\u00ed\u017eil odpor p\u0159i obr\u00e1b\u011bn\u00ed, a t\u00edm byla zaji\u0161t\u011bna racion\u00e1ln\u00ed a kompaktn\u00ed struktura odlitku.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"663\" height=\"442\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Metal-mold-making.jpg\" alt=\"\" class=\"wp-image-16757\"><figcaption class=\"wp-element-caption\">V\u00fdroba kovov\u00fdch forem<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kovov\u00e9 formy jsou vhodn\u00e9 pro hromadnou v\u00fdrobu odlitk\u016f a d\u00edky sv\u00fdm dobr\u00fdm mechanick\u00fdm vlastnostem je kvalita relativn\u011b rovnom\u011brn\u00e1 a n\u00e1sledn\u00e9 odl\u00e9v\u00e1n\u00ed je snadn\u00e9 s kontrolovateln\u00fdmi n\u00e1klady na zpracov\u00e1n\u00ed.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1224\" height=\"816\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Metal-smelting.jpg\" alt=\"\" class=\"wp-image-16758\"><figcaption class=\"wp-element-caption\">Taven\u00ed kov\u016f<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pomoc\u00ed kupolov\u00fdch nebo elektrick\u00fdch obloukov\u00fdch pec\u00ed sni\u017eujeme ne\u010distoty v plynech a p\u0159\u00edsn\u011b kontrolujeme nekovov\u00e9 vm\u011bstky a stopov\u00e9 prvky, \u010d\u00edm\u017e maximalizujeme \u010distotu roztaven\u00e9 litiny pro stabiln\u00ed a spolehliv\u00fd v\u00fdkon odl\u00e9v\u00e1n\u00ed.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"720\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Pouring.jpg\" alt=\"\" class=\"wp-image-16759\"><figcaption class=\"wp-element-caption\">Nal\u00e9v\u00e1n\u00ed<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Roztaven\u00fd kov se hladce a rovnom\u011brn\u011b nal\u00e9v\u00e1 do formy. \u0158\u00edzen\u00ed teploty a rychlosti sni\u017euje smr\u0161\u0165ov\u00e1n\u00ed a p\u00f3rovitost, \u010d\u00edm\u017e se zvy\u0161uje pevnost a hou\u017eevnatost odlitku.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1248\" height=\"832\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Cooling.jpg\" alt=\"\" class=\"wp-image-16760\"><figcaption class=\"wp-element-caption\">Chlazen\u00ed<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lit\u00e9 je\u0159\u00e1bov\u00e9 kladky jsou silnost\u011bnn\u00e9 d\u00edly, proto je nutn\u00e9 odlo\u017eit vyj\u00edm\u00e1n\u00ed z formy a sn\u00ed\u017eit rychlost chlazen\u00ed, aby se zv\u00fd\u0161ilo vnit\u0159n\u00ed pnut\u00ed a zabr\u00e1nilo se prask\u00e1n\u00ed.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"853\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/04\/Cleaning-sandblasting.jpg\" alt=\"\" class=\"wp-image-16761\"><figcaption class=\"wp-element-caption\">\u010ci\u0161t\u011bn\u00ed p\u00edskov\u00e1n\u00edm<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dok\u00e1\u017ee odstranit lic\u00ed p\u00edsek, formovac\u00ed p\u00edsek nebo jin\u00e9 zbytky z procesu formov\u00e1n\u00ed, kter\u00e9 ulp\u00edvaj\u00ed na povrchu, \u010d\u00edm\u017e zaji\u0161\u0165uje \u010dist\u00fd povrch, zlep\u0161uje bezpe\u010dnost a v\u00fdkon obrobku a zlep\u0161uje jeho vzhled.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1775197413786\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Jak\u00e9 jsou v\u00fdhody a nev\u00fdhody je\u0159\u00e1bov\u00fdch kladek z lit\u00e9 litiny a lit\u00e9 oceli?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>Litinov\u00e9 kladky<\/strong> nab\u00edzej\u00ed vy\u0161\u0161\u00ed tvrdost, ni\u017e\u0161\u00ed n\u00e1klady na materi\u00e1l a zpracov\u00e1n\u00ed, ale jsou k\u0159ehk\u00e9 s ni\u017e\u0161\u00ed pevnost\u00ed v tahu, odolnost\u00ed proti opot\u0159eben\u00ed a korozi. Jsou ide\u00e1ln\u00ed pro lehk\u00e9 nebo pomocn\u00e9 aplikace. <strong>Odl\u00e9v\u00e1n\u00ed ocelov\u00fdch kladek<\/strong> Vyzna\u010duj\u00ed se vynikaj\u00edc\u00ed pevnost\u00ed, odolnost\u00ed proti opot\u0159eben\u00ed, mez\u00ed kluzu a pevnost\u00ed v tahu a zvl\u00e1daj\u00ed t\u011b\u017e\u0161\u00ed zat\u00ed\u017een\u00ed, d\u00edky \u010demu\u017e jsou vhodn\u00e9 pro st\u0159edn\u011b t\u011b\u017ek\u00e9 a t\u011b\u017ek\u00e9 je\u0159\u00e1by. Vzhledem k ni\u017e\u0161\u00ed tekutosti a vy\u0161\u0161\u00ed hustot\u011b je v\u0161ak jejich obr\u00e1b\u011bn\u00ed obt\u00ed\u017en\u011bj\u0161\u00ed a \u010dasov\u011b n\u00e1ro\u010dn\u011bj\u0161\u00ed.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1775197425239\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Pro\u010d jsou je\u0159\u00e1bov\u00e9 kladky z odl\u00e9van\u00e9 oceli dra\u017e\u0161\u00ed ne\u017e litinov\u00e9?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Zaprv\u00e9, lit\u00e1 ocel se obvykle pou\u017e\u00edv\u00e1 jako materi\u00e1l ZG270-500 nebo vy\u0161\u0161\u00ed jakosti, tak\u017ee n\u00e1klady na surovinu jsou p\u0159ibli\u017en\u011b o 30% vy\u0161\u0161\u00ed ne\u017e u lit\u00e9 oceli (HT200\/QT450). Zadruh\u00e9, lit\u00e1 ocel m\u00e1 vy\u0161\u0161\u00ed teplotu t\u00e1n\u00ed a je obt\u00ed\u017en\u011bj\u0161\u00ed ji odl\u00e9vat. Lit\u00e1 ocel tak\u00e9 obvykle vy\u017eaduje tepeln\u00e9 zpracov\u00e1n\u00ed pro zpevn\u011bn\u00ed, kter\u00e9 se u litiny obvykle neprov\u00e1d\u00ed. Proto jsou n\u00e1klady na pr\u00e1ci a energii u \u0159emenic z lit\u00e9 oceli vy\u0161\u0161\u00ed. A kone\u010dn\u011b, lit\u00e1 ocel \u010dasto vy\u017eaduje nedestruktivn\u00ed testov\u00e1n\u00ed UT\/MT, zat\u00edmco litina se kontroluje v\u011bt\u0161inou vizu\u00e1ln\u011b, co\u017e m\u00e1 za n\u00e1sledek vy\u0161\u0161\u00ed n\u00e1klady na testov\u00e1n\u00ed.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1775197441504\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Jsou je\u0159\u00e1bov\u00e9 kladky z odl\u00e9van\u00e9 oceli odoln\u011bj\u0161\u00ed v\u016f\u010di korozi ne\u017e litinov\u00e9?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Ano, lit\u00e1 ocel je m\u00e9n\u011b n\u00e1chyln\u00e1 ke korozi a m\u00e1 siln\u011bj\u0161\u00ed odolnost proti korozi. Litina je n\u00e1chyln\u011bj\u0161\u00ed ke korozi, pokud nen\u00ed nat\u0159ena nebo pokovena. Proto jsou je\u0159\u00e1bov\u00e9 kladky z lit\u00e9 oceli vhodn\u011bj\u0161\u00ed pro pou\u017eit\u00ed ve vlhk\u00e9m, pra\u0161n\u00e9m nebo m\u00edrn\u011b korozivn\u00edm prost\u0159ed\u00ed d\u00edky sv\u00e9mu vynikaj\u00edc\u00edmu celkov\u00e9mu v\u00fdkonu.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Odl\u00e9v\u00e1n\u00ed je z\u00e1kladn\u00edm procesem v modern\u00ed v\u00fdrob\u011b za\u0159\u00edzen\u00ed. Je\u0159\u00e1bov\u00e9 kladky pro odl\u00e9v\u00e1n\u00ed se vyr\u00e1b\u011bj\u00ed roztaven\u00edm kovu na roztaven\u00fd kov, kter\u00fd spl\u0148uje specifick\u00e9 po\u017eadavky, jeho nalit\u00edm do formy a n\u00e1sledn\u00fdm ochlazen\u00edm, ztuhnut\u00edm a \u010di\u0161t\u011bn\u00edm, aby se z\u00edskala kladka p\u0159edem ur\u010den\u00e9ho tvaru a velikosti. Proto\u017ee polotovar kladky je\u0159\u00e1bu pro odl\u00e9v\u00e1n\u00ed je [\u2026]","protected":false},"author":8,"featured_media":16751,"parent":3737,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-new-Product.php","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[568],"tags":[1050],"class_list":["post-16742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-other-cranes-parts","tag-xgcrane-sheaves"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts\/16742"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/comments?post=16742"}],"version-history":[{"count":13,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts\/16742\/revisions"}],"predecessor-version":[{"id":16777,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts\/16742\/revisions\/16777"}],"up":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts\/3737"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media\/16751"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=16742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/categories?post=16742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/tags?post=16742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}