{"id":4394,"date":"2026-04-21T12:19:50","date_gmt":"2026-04-21T12:19:50","guid":{"rendered":"https:\/\/chinametalfoundry.com\/?p=4394"},"modified":"2026-08-13T10:58:36","modified_gmt":"2026-08-13T10:58:36","slug":"eliminovat-studene-spoje-pri-odlievani-medi","status":"publish","type":"post","link":"https:\/\/chinametalfoundry.com\/sk\/blog\/copper-casting-eliminate-cold-shuts\/","title":{"rendered":"Odlievanie medi: Ako eliminova\u0165 studen\u00e9 spoje pri v\u00fdrobe odliatkov"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4394\" class=\"elementor elementor-4394\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6f4a8a6c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6f4a8a6c\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2851f619\" data-id=\"2851f619\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-24f664c9 elementor-widget elementor-widget-text-editor\" data-id=\"24f664c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Pri ve\u013ekoobjemovej v\u00fdrobe odliatkov z medi m\u00f4\u017eu studen\u00e9 spoje vies\u0165 k zna\u010dn\u00fdm strat\u00e1m. Jedin\u00e1 chyba pri odlievan\u00ed m\u00f4\u017ee sp\u00f4sobi\u0165 spomalenie v\u00fdroby a hromadenie odpadu. Pre odberate\u013eov meden\u00fdch odliatkov, ktor\u00ed vy\u017eaduj\u00fa pr\u00edsne tolerancie a skr\u00e1ten\u00e9 dodacie lehoty, to m\u00f4\u017ee v\u00fdrazne zv\u00fd\u0161i\u0165 v\u00fdrobn\u00e9 n\u00e1klady. Me\u010f sa v\u0161ak ochladzuje r\u00fdchlo, \u010do br\u00e1ni toku a s\u0165a\u017euje riadne splynutie roztaven\u00e9ho kovu. Bez presnej kontroly teploty a na\u010dasovania sa zisk z formy vytrat\u00ed.<\/em><\/p><p><em>Geologick\u00e1 slu\u017eba Spojen\u00fdch \u0161t\u00e1tov (U.S. Geological Survey) uv\u00e1dza, \u017ee dopyt po medi v USA presahuje 1,8 mili\u00f3na metrick\u00fdch ton ro\u010dne, \u010do je d\u00f4kazom toho, \u017ee tento kov udr\u017eiava priemysel v chode. Ako poznamen\u00e1va ASM International: \u201cTuhnutie <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/a356-aluminum-investment-casting-quality-control-finish\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2838\">kontrola je k\u013e\u00fa\u010dov\u00e1 pre odlievanie<\/a> integrita.\u201d<\/em><\/p><p><em>Tento \u010dl\u00e1nok poskytuje h\u013abkov\u00fa anal\u00fdzu pr\u00ed\u010din vzniku studen\u00fdch spojov pri odlievan\u00ed mes\u00ed, pri\u010dom sa venuje technick\u00fdm probl\u00e9mom spojen\u00fdm s odlievan\u00edm do piesku, do kok\u00edl, odstrediv\u00fdm odlievan\u00edm a <a class=\"wpil_keyword_link\" href=\"https:\/\/chinametalfoundry.com\/sk\/presne-liatie\/\" target=\"_blank\"  rel=\"noopener\" title=\"presn\u00e9 liatie\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1273\">presn\u00e9 liatie<\/a>. Taktie\u017e na\u010drt\u00e1va praktick\u00e9 strat\u00e9gie na kontrolu teploty, vlastnosti zliatin a optimaliz\u00e1ciu simul\u00e1ci\u00ed, ktor\u00e9 pom\u00e1haj\u00fa zliat\u0148ovaniu zmierni\u0165 riziko vzniku studen\u00fdch spojov.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7db6b0de elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7db6b0de\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-75a4113b\" data-id=\"75a4113b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c79f6ba elementor-widget elementor-widget-elementskit-heading\" data-id=\"2c79f6ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">Be\u017en\u00e9 pr\u00ed\u010diny studen\u00fdch spojov pri odlievan\u00ed medi<\/h2>\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>Studen\u00e9 spoje (nedoliatia) pri odlievan\u00ed medi s\u00fa sp\u00f4soben\u00e9 nen\u00e1padn\u00fdmi zmenami tepla, r\u00fdchlosti pr\u00fadenia alebo spr\u00e1vania zliatiny po\u010das samotn\u00e9ho procesu odlievania. \u010ci u\u017e ide o odlievanie do piesku alebo odstrediv\u00e9 odlievanie, ka\u017ed\u00fd proces odlievania m\u00e1 svoje slab\u00e9 str\u00e1nky. Nasleduj\u00faca \u010das\u0165 analyzuje pr\u00ed\u010diny ch\u00fdb, ako s\u00fa studen\u00e9 spoje pri odlievan\u00ed medi, a sp\u00f4sob, ako sa t\u00fdmto probl\u00e9mom vyhn\u00fa\u0165 prostredn\u00edctvom inteligentnej v\u00fdroby odliatkov.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2eb7625 elementor-widget elementor-widget-elementskit-heading\" data-id=\"2eb7625\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">V\u00fdzvy pri pieskovom liat\u00ed zliatin medi<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30392181 elementor-widget elementor-widget-text-editor\" data-id=\"30392181\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>V <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/best-die-casting-for-cu-brass\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2932\">odlievanie medi do piesku<\/a>, vady typu studen\u00fd spoj sa \u010dasto vyskytuj\u00fa pri odlievan\u00ed vysoko tepelne vodiv\u00fdch zliatin medi. Je to preto, \u017ee <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-prototypes\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4632\">pieskov\u00e1 forma r\u00fdchlo<\/a> odv\u00e1dza teplo od roztaven\u00e9ho kovu, \u010do sp\u00f4sobuje pred\u010dasn\u00e9 stuhnutie \u010dela toku a zabra\u0148uje spr\u00e1vnemu spojeniu v mieste, kde sa tok kovu sp\u00e1ja.<\/p><p>V skuto\u010dnej v\u00fdrobe s\u00fa hlavn\u00e9 faktory, ktor\u00e9 ved\u00fa k studen\u00fdm spojom <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/aluminium-casting-9-defects-solutions\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3028\">vady medenn\u00fdch odliatkov<\/a> zahrn\u00fa\u0165<\/p><ul><li>Vysok\u00e1 tepeln\u00e1 vodivos\u0165 mosadze a bronzu skracuje rozsah tuhnutia, \u010d\u00edm sa zni\u017euje \u010das tavenia v bode konvergencie.<\/li><li>Ak je vtok navrhnut\u00fd pr\u00edli\u0161 \u00fazko, tlak kovu kles\u00e1, \u010d\u00edm s\u00fa tenkostenn\u00e9 oblasti n\u00e1chylnej\u0161ie na pred\u010dasn\u00e9 stuhnutie.<\/li><li>Nedostato\u010dn\u00fd predohrev formy, nadmern\u00e1 vlhkos\u0165 v piesku a zl\u00e9 odvetr\u00e1vanie e\u0161te viac zhor\u0161uj\u00fa n\u00e1hle poklesy teploty.<\/li><\/ul><p>Vy\u0161\u0161ia tepeln\u00e1 vodivos\u0165 znamen\u00e1 u\u017e\u0161ie \u010dasov\u00e9 okno. Vo svojom <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/how-aluminum-die-casting-mold-design-influences-production-efficiency\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1620\">v\u00fdroba odliatkov<\/a>, Spolo\u010dnos\u0165 Supro MFG optimalizovala syst\u00e9m liatia a tepeln\u00fa simul\u00e1ciu pre odliatky z medenej zliatiny, aby zabezpe\u010dila minimaliz\u00e1ciu rizika vzniku studen\u00fdch spojov predt\u00fdm, ako kov vst\u00fapi do dutiny formy.<\/p><p>Nasleduje typick\u00e9 tepeln\u00e9 porovnanie pre meden\u00e9 odliatky:<\/p><table><tbody><tr><td width=\"142\"><p><strong><b>Typ zliatiny<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Teplota nalievania (\u00b0C)<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Rozsah tuhnutia (\u00b0C)<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Tepeln\u00e1 vodivos\u0165 (W\/m\u00b7K)<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>Mosadz C360<\/b><\/strong><\/p><\/td><td width=\"142\"><p>930\u2013970<\/p><\/td><td width=\"142\"><p>890\u2013905<\/p><\/td><td width=\"142\"><p>120<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>C932 bronz<\/b><\/strong><\/p><\/td><td width=\"142\"><p>1020\u20131050<\/p><\/td><td width=\"142\"><p>950\u2013990<\/p><\/td><td width=\"142\"><p>60<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>\u010cist\u00e1 me\u010f<\/b><\/strong><\/p><\/td><td width=\"142\"><p>1085\u20131150<\/p><\/td><td width=\"142\"><p>~1085<\/p><\/td><td width=\"142\"><p>390<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>Hlin\u00edkov\u00fd bronz<\/b><\/strong><\/p><\/td><td width=\"142\"><p>1040\u20131080<\/p><\/td><td width=\"142\"><p>1020\u20131040<\/p><\/td><td width=\"142\"><p>35<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>C\u00ednov\u00fd bronz<\/b><\/strong><\/p><\/td><td width=\"142\"><p>1000\u20131030<\/p><\/td><td width=\"142\"><p>900\u2013950<\/p><\/td><td width=\"142\"><p>50<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76c226b elementor-widget elementor-widget-elementskit-heading\" data-id=\"76c226b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Ako n\u00edzka \u0165a\u017enos\u0165 v tel\u00farovej medi vyvol\u00e1va praskliny<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a98102c elementor-widget elementor-widget-text-editor\" data-id=\"a98102c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Hoci zliatiny tel\u00farovej a medi vykazuj\u00fa vynikaj\u00facu obrobite\u013enos\u0165, ich n\u00edzka \u0165a\u017enos\u0165 po\u010das tuhnutia m\u00f4\u017ee vies\u0165 k defektom studen\u00fdch spojov. Hlavn\u00e1 pr\u00ed\u010dina spo\u010d\u00edva v tom, \u017ee ke\u010f t\u00e1to <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/a356-aluminum-investment-casting\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3585\">zliatina sa pou\u017e\u00edva pri odlievan\u00ed med\u00ed<\/a> proces, vlastnosti materi\u00e1lu v oblasti s kr\u00e1tkym dosahom pri vysok\u00fdch teplot\u00e1ch zni\u017euj\u00fa jeho pevnos\u0165 v \u0165ahu a obmedzuj\u00fa plastick\u00fa deform\u00e1ciu. Ke\u010f sa dva kovov\u00e9 pr\u00fady zbiehaj\u00fa, tavenie je ne\u00fapln\u00e9 a pr\u00edtomnos\u0165 povrchov\u00e9ho oxidov\u00e9ho filmu vedie k mikrosepar\u00e1cii v spoji. V kone\u010dnom d\u00f4sledku sa v d\u00f4sledku p\u00f4sobenia zmr\u0161\u0165ovacieho nap\u00e4tia mikromedzera na\u010falej roz\u0161iruje, \u010do m\u00e1 za n\u00e1sledok vznik v\u00fdznamn\u00fdch trhl\u00edn v medi. <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-surface-finish\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4195\">odliatky<\/a>.<\/p><p>V medi <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-porosity-and-shrinkage\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4998\">odlievacie dielne, ktor\u00e9 uprednost\u0148uj\u00fa r\u00fdchlos\u0165 pred kontrolou<\/a>, tenkostenn\u00e9 elektronick\u00e9 komponenty s\u00fa mimoriadne n\u00e1chyln\u00e9 na po\u0161kodenie v d\u00f4sledku mechanick\u00e9ho spr\u00e1vania tejto zliatiny. Zlo\u017eit\u00e9 geometrie v kombin\u00e1cii s r\u00fdchlym chladen\u00edm m\u00f4\u017eu vies\u0165 k nedostato\u010dnej pevnosti v l\u00ednii tavenia. Me\u010f <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/3d-printed-metal-casting\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1895\">odlievanie zah\u0155\u0148a tavenie kovu<\/a> pred vznikom zmra\u0161\u0165ovacieho pnutia. Na v\u00fdrobu kvalitnej\u0161ej medi <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/perfecting-sand-casting-parting-lines\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4542\">odliatky<\/a>, je potrebn\u00e9 kontrolova\u0165 prehrievanie, vyv\u00e1\u017ei\u0165 prietoky v liatcov\u00fdch s\u00fastav\u00e1ch a zabezpe\u010di\u0165 \u010distotu zlo\u017eenia taveniny.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e22c519 elementor-widget elementor-widget-elementskit-heading\" data-id=\"e22c519\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Chyby v kon\u0161trukcii n\u00e1tokov\u00e9ho syst\u00e9mu pri liat\u00ed do st\u00e1lych foriem<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b69af27 elementor-widget elementor-widget-text-editor\" data-id=\"b69af27\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Trvalo <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/forma-pre-investicne-liatie\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2696\">odlievanie do formy<\/a>, heat dissipates from metal molds even faster than from sand molds. When cold shuts occur in copper castings, they are typically caused by defects in the <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-tools-and-gating-system\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5686\">gating system<\/a> design. Excessively long horizontal runners and sharp bends cause turbulence in the molten metal, leading to a sudden drop in temperature before the cavity is filled; uneven <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-wall-thickness-guidelines\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5235\">wall thickness<\/a> results in varying cooling rates, and the absence of overflow channels causes gas bubbles to become trapped. If the flow velocity in the copper casting process is too low or the sprue deviates, the surface oxide film is prone to folding, while excessively high flow velocity exacerbates turbulence.<\/p><p>Pri odlievan\u00ed medi je lamin\u00e1rne pr\u00fadenie zlat\u00fdm pravidlom, zatia\u013e \u010do turbulentn\u00e9 pr\u00fadenie m\u00f4\u017ee ohrozi\u0165 zl\u00fa\u010denie. Spolo\u010dnos\u0165 Supro MFG pou\u017e\u00edva simula\u010dn\u00e9 n\u00e1stroje na optimaliz\u00e1ciu trval\u00e9ho <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/aluminum-die-casting-mold-design-5-parameters-that-cut-project-risks-defect-rates-by-30\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1741\">syst\u00e9my nalievania foriem pre odliatkov\u00e9 projekty<\/a>, najm\u00e4 v oblastiach, ako s\u00fa elektrick\u00e9 konektory a komponenty na prenos tepla, kde je k\u013e\u00fa\u010dov\u00e1 \u010distota l\u00ednie tavenia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e08b09c elementor-widget elementor-widget-elementskit-heading\" data-id=\"e08b09c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Nejednotn\u00e1 teplota formy pri odstredivom odlievan\u00ed<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e25ae1 elementor-widget elementor-widget-text-editor\" data-id=\"7e25ae1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Odstrediv\u00e9 liatie zah\u0155\u0148a do procesu rota\u010dn\u00fd krok; hoci to m\u00f4\u017ee zv\u00fd\u0161i\u0165 hustotu meden\u00fdch odliatkov, taktie\u017e to r\u00fdchlo vystavuje <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/aluminum-investment-casting-heat-treatment-optimizing-t6-properties-for-a356-and-alsi10mg\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2090\">tepeln\u00e9 spracovanie<\/a> defekty. Ke\u010f je teplota formy nestabiln\u00e1, v odliatkoch sa m\u00f4\u017eu vytv\u00e1ra\u0165 podpovrchov\u00e9 studen\u00e9 spoje. K tomu doch\u00e1dza preto, lebo nerovnomern\u00fd predohrev vytv\u00e1ra lok\u00e1lne studen\u00e9 miesta, \u010do sp\u00f4sobuje, \u017ee tenk\u00e1 vonkaj\u0161ia vrstva po\u010das ot\u00e1\u010dania pred\u010dasne stuhne; n\u00e1sledne sa roztaven\u00fd kov, ktor\u00fd prich\u00e1dza do kontaktu s polotuhou vrstvou, nedok\u00e1\u017ee spoji\u0165, \u010doho v\u00fdsledkom je oddelenie vrstiev.<\/p><p>K\u013e\u00fa\u010dov\u00e9 kontroln\u00e9 body pre odstrediv\u00e9 liatie medi zah\u0155\u0148aj\u00fa: udr\u017eiavanie rovnomernosti predhrievania v rozmedz\u00ed \u00b115 \u00b0C, zabezpe\u010denie stabiln\u00fdch ot\u00e1\u010dok, udr\u017eiavanie konzistentn\u00e9ho pr\u00edtoku kovu a kontrolu distrib\u00facie tepla. V spolo\u010dnosti Supro MFG vyu\u017e\u00edvaj\u00fa projekty odstrediv\u00e9ho liatia medi technol\u00f3giu mapovania kontrolovan\u00e9ho predhrievania s cie\u013eom zabezpe\u010di\u0165 rovnomern\u00e9 tavenie v celej hr\u00fabke steny \u2013 \u010do je faktor, ktor\u00fd je obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00fd pre puzdr\u00e1 a lo\u017eiskov\u00e9 puzdr\u00e1, kde je \u0161truktur\u00e1lna celistvos\u0165 prvorad\u00e1.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-38ddc5c5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"38ddc5c5\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-77f69ce\" data-id=\"77f69ce\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-57758a21 elementor-widget elementor-widget-elementskit-heading\" data-id=\"57758a21\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><p class=\"ekit-heading--title elementskit-section-title\">H\u013ead\u00e1te spo\u013eahliv\u00fa \u010d\u00ednsku kovozlievare\u0148?<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4721ac64 elementor-widget elementor-widget-text-editor\" data-id=\"4721ac64\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>M\u00f4\u017eeme v\u00e1m pom\u00f4c\u0165 optimalizova\u0165 dizajn produktov a u\u0161etri\u0165 n\u00e1klady.<\/li><li>M\u00f4\u017eeme v\u00e1m pom\u00f4c\u0165 s vysok\u00fdm <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/5-factors-affect-the-investment-casting\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3432\">kvalitn\u00e1 ve\u013ekoobjemov\u00e1 odliatkovos\u0165<\/a> \u010dasti.<\/li><li>Dok\u00e1\u017eeme dodr\u017ea\u0165 term\u00edny a z\u00edska\u0165 v\u00e4\u010d\u0161ie pr\u00edle\u017eitosti na trhu predaja.<\/li><li>Budete ma\u0165 \u00fa\u017eitok zo Supro MFG <a class=\"wpil_keyword_link\" href=\"https:\/\/chinametalfoundry.com\/sk\/\" target=\"_blank\"  rel=\"noopener\" title=\"odlievanie kovov\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1272\">odlievanie kovov<\/a> slu\u017eba.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c5018e1 elementor-align-left elementor-widget elementor-widget-global elementor-global-1143 elementor-widget-button\" data-id=\"5c5018e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/chinametalfoundry.com\/sk\/kontakt\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Po\u017eiada\u0165 o cenov\u00fa ponuku priamo od v\u00fdrobcu <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1d16d649 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1d16d649\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6e07c34a\" data-id=\"6e07c34a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-257e4437 elementor-widget elementor-widget-elementskit-heading\" data-id=\"257e4437\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">5 skryt\u00fdch pr\u00ed\u010din studen\u00fdch spojov pri odlievan\u00ed medi<\/h2>\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>Riziko vzniku studen\u00fdch spojov v procese odlievania medi mo\u017eno prip\u00edsa\u0165 piatim z\u00e1kladn\u00fdm pr\u00ed\u010din\u00e1m. Aj drobn\u00e9 odch\u00fdlky v kontroln\u00fdch parametroch sa m\u00f4\u017eu r\u00fdchlo kumulova\u0165; akon\u00e1hle sa tok roztaven\u00e9ho kovu, teplota formy a zlo\u017eenie zliatiny odklonia od rovnov\u00e1hy, m\u00f4\u017eu sa studen\u00e9 spoje vytvori\u0165 bez pov\u0161imnutia, \u010d\u00edm naru\u0161ia tuhnutie a tvarovanie odliatku.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66d47f64 elementor-widget elementor-widget-elementskit-heading\" data-id=\"66d47f64\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Nespr\u00e1vna hr\u00fabka steny pri gravit\u00e1ci\u00f3s liat\u00ed \/ Nespr\u00e1vna hr\u00fabka steny pri gravita\u010dnom liat\u00ed<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6702e19a elementor-widget elementor-widget-text-editor\" data-id=\"6702e19a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pri gravit\u00e1\u010dnym liat\u00edm m\u00f4\u017ee dizajn s nerovnakou hr\u00fabkou stien naru\u0161i\u0165 tuhnutie a tok <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/aluminum-investment-casting-a356-t6-designing-for-critical-structural-loads\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"1989\">me\u010f<\/a> obsadenie. Ke\u010f <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/die-casting-mold-efficiency\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3315\">navrhovanie foriem<\/a> nerovnomern\u00e9, tenkostenn\u00e9 oblasti chladn\u00fa prir\u00fdchlo, zatia\u013e \u010do hrubostenn\u00e9 oblasti udr\u017euj\u00fa teplo dlh\u0161ie. Po\u010das liatia sa \u010delo roztaven\u00e9ho kovu rozde\u013euje a vytv\u00e1ra oxidov\u00fa vrstvu, \u010do v kone\u010dnom d\u00f4sledku vedie k zn\u00ed\u017eeniu pevnosti tavenia. Po vychladnut\u00ed medenej odliatky s\u00fa defekty a skryt\u00e9 v\u00e4zbov\u00e9 medzery zrete\u013ene vidite\u013en\u00e9.<\/p><p>Pri medenn\u00fdch odliatkoch s ostr\u00fdmi prechodov\u00fdmi plochami m\u00f4\u017ee aj t\u00e1 najmen\u0161ia zmena hr\u00fabky zmeni\u0165 tepeln\u00fd gradient. V medi <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-defects-elimination\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4075\">zliatinov\u00e9 odliatky<\/a>, tento nes\u00falad br\u00e1ni spr\u00e1vnemu taveniu a priamo vedie k studen\u00fdm spojom.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2eb5ba5 elementor-widget elementor-widget-elementskit-heading\" data-id=\"2eb5ba5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Slow fill speeds during lost wax casting<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34daada elementor-widget elementor-widget-text-editor\" data-id=\"34daada\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In lost-wax casting, if the filling rate is too slow, the molten metal will lose heat before the mold cavity is filled. Major signs of failure in copper <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-design-guide\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3978\">casting include poor spout design<\/a>, excessively narrow runners, and excessive back pressure.<\/p><p>When the molten flow stagnates, the leading edges of the two streams meet in a cold area, and the resulting oxide layer prevents proper fusion. In the <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/stainless-steel-investment-casting-2\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3078\">production of investment-style copper castings<\/a>, adjusting the casting process speed allows for maintaining good fluidity while rapidly reducing cold shuts.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e6e90d elementor-widget elementor-widget-elementskit-heading\" data-id=\"8e6e90d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Low thermal conductivity in phosphor bronze pours<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7795de4 elementor-widget elementor-widget-text-editor\" data-id=\"7795de4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Phosphor bronze has relatively low thermal conductivity, which causes <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-heat-treatment\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4868\">heat to diffuse slowly during the casting<\/a> process and makes it prone to the formation of localized hot spots. Uneven temperature distribution during pouring can lead to uneven solidification during cooling. Therefore, co-casting copper alloys and bronze requires stricter thermal control. Otherwise, isolated cooling zones may form within the copper casting, preventing proper fusion at the leading edge of the molten pool.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-516b426 elementor-widget elementor-widget-elementskit-heading\" data-id=\"516b426\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Inadequate mold preheating and heat treatment gaps<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f673e7 elementor-widget elementor-widget-text-editor\" data-id=\"7f673e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Cold shuts can typically be traced to improper <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/mastering-sand-casting-mold-materials\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5485\">mold preheating during copper casting<\/a>. If the initial mold temperature is too low, the surface metal will cool rapidly. Combined with an uneven post-casting heat treatment cycle, this will cause a rapid decline in the quality of the copper casting. To avoid this problem, the solutions are:<\/p><ul><li>Raise the mold temperature to a level consistent with the alloy\u2019s melting point range.<\/li><li>Ensure the temperature is stable before pouring the molten copper.<\/li><li>Maintain consistent thermal management throughout the pouring process.<\/li><li>Perform consistent heat treatment after pouring.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-330fb56 elementor-widget elementor-widget-elementskit-heading\" data-id=\"330fb56\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Overlooking ASTM specifications for material certification<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4321d5 elementor-widget elementor-widget-text-editor\" data-id=\"b4321d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/aluminum-investment-casting-astm-standards-certifying-a356-t6-properties\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2303\">ASTM standards are often overlooked in the copper casting<\/a> process, specifically regarding unverified material certifications, lax quality control, and inconsistent material properties. Fluctuations in chemical composition can affect the copper\u2019s fluidity, ductility, and corrosion resistance. This alters solidification behavior and increases the risk of cold shuts in copper castings.<\/p><p>Partnering with a meticulous copper casting foundry like Supro MFG helps ensure the use of certified alloys, controlled casting parameters, and more rigorous inspection processes. For teams that prioritize the reliability of metal castings, Supro MFG ensures the predictability of copper castings\u2014which is key to preventing cold shuts.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-301f437d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"301f437d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-652eadf1\" data-id=\"652eadf1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-39cf5f5 elementor-widget elementor-widget-image\" data-id=\"39cf5f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/chinametalfoundry.com\/wp-content\/uploads\/2026\/04\/Reverse-the-Chill-Copper-Casting-Pouring-Temperature-Secrets.webp\" class=\"attachment-large size-large wp-image-4398\" alt=\"Reverse the Chill Copper Casting\u00a0Pouring Temperature Secrets\" srcset=\"https:\/\/chinametalfoundry.com\/wp-content\/uploads\/2026\/04\/Reverse-the-Chill-Copper-Casting-Pouring-Temperature-Secrets.webp 600w, https:\/\/chinametalfoundry.com\/wp-content\/uploads\/2026\/04\/Reverse-the-Chill-Copper-Casting-Pouring-Temperature-Secrets-300x200.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1db5e586 elementor-widget elementor-widget-elementskit-heading\" data-id=\"1db5e586\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">Reverse the Chill: Copper Casting\u00a0Pouring Temperature Secrets<\/h2>\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>Precise temperature control is essential for successful copper casting. From brass to bronze, once the molten metal begins to flow, each copper alloy reacts differently. In modern foundries, precise temperature control translates to fewer defects and tighter tolerances.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-169050dc elementor-widget elementor-widget-elementskit-heading\" data-id=\"169050dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Optimal melt ranges for brass and aluminum bronze<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62e843c8 elementor-widget elementor-widget-text-editor\" data-id=\"62e843c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In copper casting, the optimal melting temperature range ensures smooth melt flow without causing the loss of alloying elements. For brass and bronze, strict temperature control helps maintain the alloy\u2019s chemical composition and final strength. As a professional copper casting foundry in China, Supro MFG typically adjusts the following parameters based on the actual <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/optimizing-aluminum-die-casting-mold-material-selection-high-performance-low-cost-high-efficiency\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2588\">mold geometry to consistently ensure the stable performance of cast<\/a> \u010dasti.<\/p><p>Different types of brass (Cu-Zn series) are affected by their composition in different ways. For 60\/40 brass (which has a higher zinc content), the liquidus temperature is lower. Lead-containing brass, on the other hand, has a narrower melting temperature range and offers better machinability. When controlling the temperature range, pouring at too high a temperature can lead to zinc oxidation, while pouring at too low a temperature can <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/costly-defects-in-aluminium-castings-an-analysis-of-crack-causes\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"2352\">cause gate defects in thin-walled copper castings<\/a>.<\/p><p>For aluminum bronze (Cu-Al series), the aluminum content (8\u201312%) causes the liquidus line to shift upward and makes the alloy susceptible to oxidation, so the furnace atmosphere must be carefully controlled. The following table compares common copper alloys:<\/p><table><tbody><tr><td width=\"142\"><p><strong><b>Typ zliatiny<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Liquidus (\u00b0C)<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Recommended Pour Temp (\u00b0C)<\/b><\/strong><\/p><\/td><td width=\"142\"><p><strong><b>Oxidation Risk Level<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>60\/40 Brass<\/b><\/strong><\/p><\/td><td width=\"142\"><p>900<\/p><\/td><td width=\"142\"><p>980\u20131020<\/p><\/td><td width=\"142\"><p>Medium<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>Leaded Brass<\/b><\/strong><\/p><\/td><td width=\"142\"><p>890<\/p><\/td><td width=\"142\"><p>950\u20131000<\/p><\/td><td width=\"142\"><p>Medium-High<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>9% Al Bronze<\/b><\/strong><\/p><\/td><td width=\"142\"><p>1030<\/p><\/td><td width=\"142\"><p>1080\u20131120<\/p><\/td><td width=\"142\"><p>High<\/p><\/td><\/tr><tr><td width=\"142\"><p><strong><b>11% Al Bronze<\/b><\/strong><\/p><\/td><td width=\"142\"><p>1045<\/p><\/td><td width=\"142\"><p>1100\u20131150<\/p><\/td><td width=\"142\"><p>High<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a6a2c3 elementor-widget elementor-widget-elementskit-heading\" data-id=\"9a6a2c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Leveraging electrical conductivity data to dial in heat<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d536b35 elementor-widget elementor-widget-text-editor\" data-id=\"d536b35\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>During the copper casting process, changes in electrical conductivity reflect both composition and temperature. A change in conductivity indicates an anomaly within the molten metal: elevated conductivity may indicate high copper purity and low alloy content, while a sudden drop in conductivity may indicate overheating or contamination. Stable conductivity readings indicate that the pouring temperature is well controlled.<\/p><p>Many copper casting foundries follow these standard operating procedures:<\/p><p>1) Measure the baseline conductivity of the target alloy.<\/p><p>2) Monitor readings during the holding phase in the furnace.<\/p><p>3) Adjust the burner or induction input in small increments.<\/p><p>The 2025 International Copper Study Group noted that energy efficiency and thermal monitoring are \u201ckey cost drivers in non-ferrous foundry competitiveness.\u201d<\/p><p>\u201cAdvanced process monitoring, including thermal and conductivity tracking, is <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/accelerating-sand-casting-prototypes\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4776\">accelerating yield improvement across global copper-based casting<\/a> operations.\u201d \u2014 International Copper Study Group, 2025 outlook<\/p><p>For foundries specializing in large-scale copper casting, electrical conductivity data plays a critical role. Supro MFG has successfully used this method to stabilize the production processes for both small- and large-batch copper <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-optimization\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5111\">odliatky<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14f9842 elementor-widget elementor-widget-elementskit-heading\" data-id=\"14f9842\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h3 class=\"ekit-heading--title elementskit-section-title\">Using FEA analysis to predict solidification patterns<\/h3><div class=\"ekit_heading_separetor_wraper ekit_heading_elementskit-border-divider ekit-dotted\"><div class=\"elementskit-border-divider ekit-dotted\"><\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c90f2e9 elementor-widget elementor-widget-text-editor\" data-id=\"c90f2e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Modern FEA tools integrate science into everyday casting operations. In copper casting, predicting solidification patterns helps reduce shrinkage and porosity before the metal enters the mold. By inputting the thermal conductivity and latent heat of the copper alloy, along with mold boundary conditions, solidification patterns can be predicted to identify hot spots and areas of high shrinkage. When <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/optimizing-sand-casting-parameters\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5337\">optimizing the copper casting process<\/a>, modifying wall thicknesses and adjusting risers and gating channels can effectively reduce cold shuts and porosity.<\/p><p>For any copper casting production, digital simulation can shorten the trial-and-error phase. Supro MFG combines actual furnace data with FEA results to ensure that <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/engineered-sand-casting-parts\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"5584\">cast copper parts<\/a> are dimensionally accurate and structurally sound.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2d043207 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2d043207\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-470b3013\" data-id=\"470b3013\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2e5ececb elementor-widget elementor-widget-elementskit-heading\" data-id=\"2e5ececb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper text_left   ekit_heading_tablet-   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title  ekit-heading__title-has-border start\">Contact Supro-Mfg<\/h2><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2747b662 elementor-widget elementor-widget-text-editor\" data-id=\"2747b662\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/aluminum-investment-casting-anodizing\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"3742\">Eliminating cold shuts in copper casting<\/a> requires systematic control of alloy properties, mold temperature, and gating system design. From <a href=\"https:\/\/chinametalfoundry.com\/sk\/blog\/sand-casting-core-design\/\" target=\"_blank\" rel=\"noopener\"  data-wpil-monitor-id=\"4346\">pieskov\u00e9 odliatky<\/a> to centrifugal casting, optimizing parameters through electrical conductivity monitoring and FEA simulation can significantly improve casting density.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>In high-volume copper casting production, cold shuts can result in significant losses. A single casting error can lead to production [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4397,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[12],"tags":[],"class_list":["post-4394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/posts\/4394","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/comments?post=4394"}],"version-history":[{"count":37,"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/posts\/4394\/revisions"}],"predecessor-version":[{"id":7233,"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/posts\/4394\/revisions\/7233"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/media\/4397"}],"wp:attachment":[{"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/media?parent=4394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/categories?post=4394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chinametalfoundry.com\/sk\/wp-json\/wp\/v2\/tags?post=4394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}