{"id":13590,"date":"2023-01-07T05:26:01","date_gmt":"2023-01-07T05:26:01","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=13590"},"modified":"2024-05-04T15:43:23","modified_gmt":"2024-05-04T15:43:23","slug":"piskove-liti-hlinikovych-slitin","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/cs\/piskove-liti-hlinikovych-slitin\/","title":{"rendered":"Slitiny hlin\u00edku odl\u00e9van\u00e9 do p\u00edsku"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"P\u0159epnut\u00ed tabulky obsahu\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7c7c7c;color:#7c7c7c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7c7c7c;color:#7c7c7c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/aludiecasting.com\/cs\/piskove-liti-hlinikovych-slitin\/#Overview_of_Sand_Casting_and_Aluminum_Alloys\" >P\u0159ehled lit\u00ed do p\u00edsku a slitin hlin\u00edku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/aludiecasting.com\/cs\/piskove-liti-hlinikovych-slitin\/#Composition_of_Sand_Cast_Aluminum_Alloys\" >Slo\u017een\u00ed slitin hlin\u00edku lit\u00fdch do p\u00edsku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/aludiecasting.com\/cs\/piskove-liti-hlinikovych-slitin\/#Properties_of_Sand_Cast_Aluminum_Alloys\" >Vlastnosti slitin hlin\u00edku lit\u00fdch do p\u00edsku<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/aludiecasting.com\/cs\/piskove-liti-hlinikovych-slitin\/#Advantages_and_Limitations_of_Sand_Casting_Aluminum_Alloys\" >V\u00fdhody a omezen\u00ed lit\u00ed hlin\u00edkov\u00fdch slitin do p\u00edsku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/aludiecasting.com\/cs\/piskove-liti-hlinikovych-slitin\/#Manufacturing_Process_of_Sand_Casting_for_Aluminum_Alloys\" >V\u00fdrobn\u00ed proces lit\u00ed hlin\u00edkov\u00fdch slitin do p\u00edsku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/aludiecasting.com\/cs\/piskove-liti-hlinikovych-slitin\/#New_thoughts_and_styles_on_how_to_cast_aluminum_metals_in_sand\" >Nov\u00e9 my\u0161lenky a styly odl\u00e9v\u00e1n\u00ed hlin\u00edkov\u00fdch kov\u016f do p\u00edsku<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Overview_of_Sand_Casting_and_Aluminum_Alloys\"><\/span>P\u0159ehled lit\u00ed do p\u00edsku a slitin hlin\u00edku<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Chcete-li <a href=\"https:\/\/aludiecasting.com\/cs\/piskove-liti-hlinikovych-slitin\/\">p\u00edskov\u00e9 lit\u00ed hlin\u00edkov\u00fdch slitin<\/a>, se s hlin\u00edkem m\u00eds\u00ed jin\u00e9 kovy, aby se vyu\u017eily jeho jedine\u010dn\u00e9 vlastnosti a z\u00e1rove\u0148 se stal u\u017eite\u010dn\u011bj\u0161\u00edm v \u0161ir\u0161\u00edm spektru obchodn\u00edch situac\u00ed. Vzhledem ke zp\u016fsobu v\u00fdroby je mnohem snaz\u0161\u00ed m\u011bnit vlastnosti materi\u00e1lu tak, aby spl\u0148oval specifick\u00e9 po\u017eadavky na v\u00fdkon pro pou\u017eit\u00ed, kter\u00e1 vy\u017eaduj\u00ed odolnost v\u016f\u010di faktor\u016fm prost\u0159ed\u00ed, hmotnost a v\u00fdkon z\u00e1rove\u0148. V situac\u00edch, kdy jsou pot\u0159eba v\u0161echny t\u0159i tyto vlastnosti sou\u010dasn\u011b, ale v r\u016fzn\u00e9m mno\u017estv\u00ed, je to obzvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00e9.<\/p>\n<p>V\u00fdroba slo\u017eit\u00fdch forem z roztaven\u00e9ho kovu a p\u00edskov\u00fdch forem se naz\u00fdv\u00e1 odl\u00e9v\u00e1n\u00ed do p\u00edsku. P\u0159i v\u00fdrob\u011b velk\u00fdch a slo\u017eit\u00fdch d\u00edl\u016f m\u00e1te p\u0159i t\u00e9to metod\u011b velkou volnost. Toto je za\u010d\u00e1tek podrobn\u011bj\u0161\u00edho pohledu na slitiny hlin\u00edku odl\u00e9van\u00e9 do p\u00edsku, kter\u00fd se zam\u011b\u0159\u00ed na to, jak jsou d\u016fle\u017eit\u00e9 pro modern\u00ed podnik\u00e1n\u00ed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Composition_of_Sand_Cast_Aluminum_Alloys\"><\/span><strong>Slo\u017een\u00ed slitin hlin\u00edku lit\u00fdch do p\u00edsku<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Mnoho speci\u00e1ln\u00edch vlastnost\u00ed hlin\u00edku lze vyu\u017e\u00edt ve slitin\u00e1ch hlin\u00edku odl\u00e9van\u00fdch do p\u00edsku, kter\u00e9 jsou navr\u017eeny tak, aby tyto vlastnosti co nejl\u00e9pe vyu\u017eily a z\u00e1rove\u0148 poskytly hlin\u00edku dal\u0161\u00ed komer\u010dn\u00ed vyu\u017eit\u00ed. Za t\u00edmto \u00fa\u010delem se do sm\u011bsi p\u0159id\u00e1v\u00e1 v\u00edce kov\u016f, aby byla pevn\u011bj\u0161\u00ed. Tyto dal\u0161\u00ed kovy jsou skv\u011bl\u00e9 pro pou\u017eit\u00ed, kter\u00e1 vy\u017eaduj\u00ed rovnov\u00e1hu mezi hmotnost\u00ed, \u017eivotnost\u00ed a odolnost\u00ed, aby spl\u0148ovala specifick\u00e9 v\u00fdkonnostn\u00ed po\u017eadavky.<\/p>\n<p><strong>Z\u00e1kladn\u00ed slo\u017eky<\/strong><\/p>\n<p>D\u00edky sv\u00fdm v\u00fdhodn\u00fdm vlastnostem - v\u010detn\u011b n\u00edzk\u00e9 hmotnosti, vysok\u00e9 vodivosti, odolnosti proti korozi a schopnosti tvarovat slo\u017eit\u00e9 tvary - slou\u017e\u00ed hlin\u00edk (Al) jako z\u00e1klad slitiny. D\u00edky sv\u00fdm p\u0159irozen\u00fdm vlastnostem vykazuje tento materi\u00e1l v\u00fdjime\u010dnou vhodnost pro \u0161irokou \u0161k\u00e1lu odlitk\u016f.<\/p>\n<p><strong>St\u00e1le legovan\u00e9 sou\u010d\u00e1sti<\/strong><\/p>\n<ul>\n<li>K\u0159em\u00edk (Si): K\u0159em\u00edk je po hlin\u00edku \u010dasto nejd\u016fle\u017eit\u011bj\u0161\u00edm leguj\u00edc\u00edm prvkem. Obvykle se p\u0159id\u00e1v\u00e1 v procentech, kter\u00e1 se pohybuj\u00ed mezi 5 a 12 procenty. K\u0159em\u00edk usnad\u0148uje odl\u00e9v\u00e1n\u00ed slo\u017eit\u00fdch a komplexn\u00edch sou\u010d\u00e1st\u00ed t\u00edm, \u017ee zvy\u0161uje propustnost roztaven\u00e9 slitiny, sni\u017euje smr\u0161\u0165ov\u00e1n\u00ed b\u011bhem tuhnut\u00ed a zvy\u0161uje odolnost proti korozi.<\/li>\n<li>Ho\u0159\u010d\u00edk (Mg): Obsah ho\u0159\u010d\u00edku (Mg) v hlin\u00edkov\u00e9 slitin\u011b je optimalizov\u00e1n tak, aby nedoch\u00e1zelo k v\u00fdrazn\u00e9mu n\u00e1r\u016fstu hmotnosti a z\u00e1rove\u0148 se zv\u00fd\u0161ila jej\u00ed pevnost a odolnost. Krom\u011b toho zvy\u0161uje ta\u017enost slitiny, co\u017e je kritick\u00e1 vlastnost pro sou\u010d\u00e1sti, kter\u00e9 proch\u00e1zej\u00ed deformac\u00ed a r\u016fzn\u00fdmi formami pnut\u00ed.<\/li>\n<li>M\u011b\u010f (Cu): M\u011b\u010f se p\u0159id\u00e1v\u00e1 do hlin\u00edkov\u00fdch slitin, aby se zv\u00fd\u0161ila jejich pevnost a odolnost. Nicm\u00e9n\u011b p\u0159id\u00e1n\u00ed t\u00e9to l\u00e1tky m\u016f\u017ee sn\u00ed\u017eit odolnost slitiny proti korozi. Proto se jej\u00ed pou\u017eit\u00ed pe\u010dliv\u011b posuzuje s ohledem na zam\u00fd\u0161lenou funkci kone\u010dn\u00e9ho v\u00fdrobku.<\/li>\n<li>Zinek (Zn):Zinek (nebo Zamak) je b\u011b\u017en\u011b p\u0159id\u00e1van\u00fd prvek, kter\u00fd zvy\u0161uje ta\u017enost a pevnost slitiny. Krom\u011b toho zvy\u0161uje odolnost slitiny proti ot\u011bru, tak\u017ee je vhodn\u00e1 pro n\u00e1ro\u010dn\u00e9 aplikace.<\/li>\n<li>\u017delezo (Fe): \u017delezo se \u010dasto p\u0159id\u00e1v\u00e1 do slitinov\u00fdch odlitk\u016f v nepatrn\u00e9m mno\u017estv\u00ed, aby se zv\u00fd\u0161ila odolnost odlitku proti prask\u00e1n\u00ed za tepla, co\u017e je \u010dast\u00fd probl\u00e9m vypl\u00fdvaj\u00edc\u00ed z rozd\u00edln\u00e9 rychlosti chlazen\u00ed.<\/li>\n<\/ul>\n<p><strong>Faktory ovliv\u0148uj\u00edc\u00ed leguj\u00edc\u00ed prvky<\/strong><\/p>\n<p>Zahrnut\u00ed t\u011bchto prvk\u016f do hlin\u00edku zp\u016fsobuje zm\u011bny fyzik\u00e1ln\u00edch a mechanick\u00fdch vlastnost\u00ed slitiny a nav\u00edc ovliv\u0148uje jej\u00ed vhodnost pro kone\u010dn\u00e9 pou\u017eit\u00ed a vlastnosti odlitk\u016f. Jako p\u0159\u00edklad lze uv\u00e9st slitiny, kter\u00e9 obsahuj\u00ed vy\u0161\u0161\u00ed procento k\u0159em\u00edku a jsou velmi vhodn\u00e9 pro pou\u017eit\u00ed v automobilov\u00fdch komponentech, jako jsou sk\u0159\u00edn\u011b p\u0159evodovek a bloky motor\u016f. D\u016fvodem je jejich lep\u0161\u00ed schopnost odol\u00e1vat opot\u0159eben\u00ed a odl\u00e9v\u00e1n\u00ed.<\/p>\n<div id=\"attachment_15851\" style=\"width: 598px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15851\" class=\"wp-image-15851\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2023\/01\/sand-cast-aluminum-alloys.jpg\" alt=\"p\u00edskov\u00e9 lit\u00ed hlin\u00edkov\u00fdch slitin\" width=\"588\" height=\"420\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2023\/01\/sand-cast-aluminum-alloys.jpg 588w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2023\/01\/sand-cast-aluminum-alloys-480x343.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 588px, 100vw\" \/><p id=\"caption-attachment-15851\" class=\"wp-caption-text\">p\u00edskov\u00e9 lit\u00ed hlin\u00edkov\u00fdch slitin<\/p><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Properties_of_Sand_Cast_Aluminum_Alloys\"><\/span><strong>Vlastnosti slitin hlin\u00edku lit\u00fdch do p\u00edsku<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Odl\u00e9v\u00e1n\u00ed do p\u00edsku je typick\u00e9 pro kovov\u00e9 sou\u010d\u00e1sti, zejm\u00e9na slitiny hlin\u00edku. Slitiny hlin\u00edku se vyzna\u010duj\u00ed siln\u00fdm pom\u011brem hmotnosti k hmotnosti, odolnost\u00ed proti korozi a n\u00edzkou hmotnost\u00ed. P\u0159i v\u00fdrob\u011b letadel, automobil\u016f a stavebn\u00edch materi\u00e1l\u016f jsou u\u017eite\u010dn\u00e9 a flexibiln\u00ed. U mnoha v\u00fdrobk\u016f se pou\u017e\u00edvaj\u00ed slitiny hlin\u00edku lit\u00e9 do p\u00edsku; tento \u010dl\u00e1nek vysv\u011btluje jejich vlastnosti a d\u016fvody, pro\u010d je v\u00fdrobci pou\u017e\u00edvaj\u00ed.<\/p>\n<p>Je d\u016fle\u017eit\u00e9, aby <em><strong>p\u00edskov\u00e9 lit\u00ed hlin\u00edkov\u00fdch slitin<\/strong><\/em> b\u00fdt robustn\u00ed. Skv\u011bl\u00fd pom\u011br pevnosti a hmotnosti hlin\u00edkov\u00fdch slitin umo\u017e\u0148uje vyztu\u017eit objekt a z\u00e1rove\u0148 sn\u00ed\u017eit jeho hmotnost. A\u010dkoli se to t\u00fdk\u00e1 mnoha pr\u016fmyslov\u00fdch odv\u011btv\u00ed, sn\u00ed\u017een\u00ed hmotnosti zlep\u0161uje v\u00fdkon a \u00fasporu paliva u letadel. Slo\u017eit\u00e9 tvary a tenk\u00e9 st\u011bny vyr\u00e1b\u011bn\u00e9 lit\u00edm do p\u00edsku zlep\u0161uj\u00ed pom\u011br pevnosti a hmotnosti hlin\u00edkov\u00fdch sou\u010d\u00e1st\u00ed.<\/p>\n<p>Slitiny hlin\u00edku odl\u00e9van\u00e9 do p\u00edsku jsou pevn\u00e9 a odoln\u00e9 proti korozi. Hlin\u00edk je odoln\u00fd proti korozi, proto\u017ee p\u0159i vystaven\u00ed vzduchu vytv\u00e1\u0159\u00ed ochrann\u00fd oxidov\u00fd povlak. Jedna vrstva zabra\u0148uje korozi. Pro zv\u00fd\u0161en\u00ed odolnosti proti korozi m\u016f\u017ee b\u00fdt tato vrstva oxidu opat\u0159ena pr\u00e1\u0161kovou barvou nebo eloxem. Slitiny hlin\u00edku lit\u00e9 do p\u00edsku se dob\u0159e osv\u011bd\u010duj\u00ed venku nebo u vody, kde s\u016fl a vlhkost mohou zp\u016fsobit korozi kovu.<\/p>\n<p>Dal\u0161\u00ed v\u00fdznamnou vlastnost\u00ed hlin\u00edkov\u00fdch slitin lit\u00fdch do p\u00edsku je vynikaj\u00edc\u00ed tepeln\u00e1 vodivost. Dobr\u00e1 tepeln\u00e1 vodivost hlin\u00edku usnad\u0148uje \u00fa\u010dinn\u00fd p\u0159enos tepla v d\u00edlech, jako jsou bloky motor\u016f a v\u00fdm\u011bn\u00edky tepla. V pr\u016fmyslov\u00fdch a automobilov\u00fdch aplikac\u00edch, kde je regulace tepla z\u00e1sadn\u00ed pro v\u00fdkon a \u017eivotnost sou\u010d\u00e1stek, je tato vlastnost obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e1. Schopnost vytv\u00e1\u0159et komplikovan\u00e9 formy s jemn\u011b propracovan\u00fdmi chladic\u00edmi kan\u00e1ly, kterou umo\u017e\u0148uje odl\u00e9v\u00e1n\u00ed do p\u00edsku, je\u0161t\u011b zvy\u0161uje tepelnou vodivost hlin\u00edkov\u00fdch sou\u010d\u00e1st\u00ed.<\/p>\n<p>S hlin\u00edkov\u00fdmi slitinami odl\u00e9van\u00fdmi do p\u00edsku se b\u011bhem v\u00fdrobn\u00edho procesu snadno pracuje tak\u00e9 d\u00edky jejich vynikaj\u00edc\u00ed obrobitelnosti a sva\u0159itelnosti. To umo\u017e\u0148uje v\u00fdrobu slo\u017eit\u00fdch a p\u0159esn\u00fdch d\u00edl\u016f s \u00fazkou toleranc\u00ed. V\u00fdrobci, kte\u0159\u00ed cht\u011bj\u00ed vyr\u00e1b\u011bt vysoce kvalitn\u00ed hlin\u00edkov\u00e9 sou\u010d\u00e1sti ve velk\u00e9m m\u011b\u0159\u00edtku, \u010dasto pou\u017e\u00edvaj\u00ed odl\u00e9v\u00e1n\u00ed do p\u00edsku, proto\u017ee tato technika umo\u017e\u0148uje vyr\u00e1b\u011bt i obrovsk\u00e9 sou\u010d\u00e1sti za rozumnou cenu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Advantages_and_Limitations_of_Sand_Casting_Aluminum_Alloys\"><\/span><strong>V\u00fdhody a omezen\u00ed lit\u00ed hlin\u00edkov\u00fdch slitin do p\u00edsku<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Odl\u00e9v\u00e1n\u00ed do p\u00edsku je metoda, kterou mnoho hospod\u00e1\u0159sk\u00fdch odv\u011btv\u00ed pova\u017euje za velmi v\u00fdhodnou pro v\u00fdrobu d\u00edl\u016f z kovov\u00fdch slitin. Stejn\u011b jako u jin\u00fdch zp\u016fsob\u016f v\u00fdroby je v\u0161ak t\u0159eba br\u00e1t v \u00favahu jej\u00ed p\u0159irozen\u00e1 omezen\u00ed. Aby se konstrukt\u00e9\u0159i a v\u00fdrobci mohli moud\u0159e rozhodnout pro jejich pou\u017eit\u00ed a vyt\u011b\u017eit z lit\u00ed hlin\u00edkov\u00fdch slitin do p\u00edsku maximum, mus\u00ed m\u00edt d\u016fkladn\u00e9 pov\u011bdom\u00ed o jejich v\u00fdhod\u00e1ch a nev\u00fdhod\u00e1ch.<\/p>\n<p>Mezi nejp\u0159\u00ednosn\u011bj\u0161\u00ed vlastnosti hlin\u00edkov\u00fdch slitin, kter\u00e9 lze odl\u00e9vat pomoc\u00ed p\u00edsku, pat\u0159\u00ed jejich univerz\u00e1lnost. Proto\u017ee odl\u00e9v\u00e1n\u00ed do p\u00edsku zvl\u00e1dne \u0161irokou \u0161k\u00e1lu velikost\u00ed a typ\u016f v\u00fdrobk\u016f, lze jej vyu\u017e\u00edt k v\u00fdrob\u011b mal\u00e9ho po\u010dtu sou\u010d\u00e1st\u00ed nebo velk\u00e9ho po\u010dtu d\u00edl\u016f. Krom\u011b toho lze p\u0159i odl\u00e9v\u00e1n\u00ed do p\u00edsku vyr\u00e1b\u011bt slo\u017eit\u00e9 tvary, co\u017e je p\u0159i pou\u017eit\u00ed tradi\u010dn\u00edch technik odl\u00e9v\u00e1n\u00ed n\u00e1ro\u010dn\u00e9 nebo mo\u017en\u00e1 nemo\u017en\u00e9.<\/p>\n<p>Odl\u00e9v\u00e1n\u00ed hlin\u00edkov\u00fdch slitin do p\u00edsku m\u00e1 tu v\u00fdhodu, \u017ee nevy\u017eaduje velk\u00e9 finan\u010dn\u00ed n\u00e1klady. Tlakov\u00e9 a investi\u010dn\u00ed lit\u00ed jsou dv\u011b dra\u017e\u0161\u00ed techniky lit\u00ed ne\u017e lit\u00ed do p\u00edsku, kter\u00e9 je velmi levn\u00e9. Pokud jde o lit\u00ed do p\u00edsku, dva snadno dostupn\u00e9 a cenov\u011b v\u00fdhodn\u00e9 materi\u00e1ly jsou p\u00edsek a hl\u00edna. Jedn\u00e1 se tedy o skv\u011blou volbu pro v\u00fdrobce, kte\u0159\u00ed mus\u00ed vyrobit velk\u00e9 mno\u017estv\u00ed sou\u010d\u00e1stek.<\/p>\n<p>Dal\u0161\u00ed skv\u011blou technikou pro z\u00edsk\u00e1n\u00ed velmi \u010dist\u00e9ho povrchu a p\u0159esn\u00fdch rozm\u011br\u016f je odl\u00e9v\u00e1n\u00ed do p\u00edsku. Prov\u00e1d\u011bn\u00ed zm\u011bn v p\u00edskov\u00fdch modelech pou\u017e\u00edvan\u00fdch p\u0159i odl\u00e9v\u00e1n\u00ed je snadn\u00e9 a zaru\u010d\u00ed, \u017ee budou m\u00edt spr\u00e1vnou velikost a tvar. To nazna\u010duje, \u017ee i hotov\u00fd v\u00fdrobek m\u00e1 spr\u00e1vnou velikost a tvar. Odl\u00e9v\u00e1n\u00ed do p\u00edsku umo\u017e\u0148uje vytv\u00e1\u0159et d\u00edly s hladk\u00fdm povrchem a mal\u00fdm po\u010dtem dokon\u010dovac\u00edch krok\u016f, co\u017e b\u011bhem v\u00fdrobn\u00edho procesu u\u0161et\u0159\u00ed je\u0161t\u011b v\u00edce \u010dasu a pen\u011bz.<\/p>\n<p>P\u0159esto by si v\u00fdrobci m\u011bli b\u00fdt v\u011bdomi limit\u016f, kter\u00e9 metoda lit\u00ed do p\u00edsku pro kovov\u00e9 slitiny nastavuje. Jedn\u00edm z probl\u00e9m\u016f je por\u00e9znost odlitk\u016f vyroben\u00fdch lit\u00edm do p\u00edsku. Formy vyroben\u00e9 z p\u00edsku mohou b\u011bhem procesu lit\u00ed zachycovat plyny a vzduch. To m\u016f\u017ee zp\u016fsobit, \u017ee v hotov\u00e9m v\u00fdrobku budou d\u00edry. To by mohlo zm\u011bnit mechanick\u00e9 vlastnosti odlitku, a aby byl d\u00edl lep\u0161\u00ed, musel by proj\u00edt dal\u0161\u00edmi kroky, jako je tepeln\u00e9 zpracov\u00e1n\u00ed nebo impregnace.<\/p>\n<p>P\u0159i odl\u00e9v\u00e1n\u00ed kovov\u00fdch slitin do p\u00edsku existuje tak\u00e9 mo\u017enost, \u017ee forma zmiz\u00ed. Formy vyroben\u00e9 z p\u00edsku se mohou \u010dasem rozpadnout kv\u016fli vysok\u00fdm teplot\u00e1m a sil\u00e1m pou\u017e\u00edvan\u00fdm p\u0159i odl\u00e9v\u00e1n\u00ed. To m\u016f\u017ee zp\u016fsobit, \u017ee budou vyrobeny d\u00edly, kter\u00e9 nebudou spr\u00e1vn\u011b fungovat. V\u00fdrobci mus\u00ed p\u00edskov\u00e9 formy pravideln\u011b kontrolovat a opravovat, aby zajistili, \u017ee kvalita vyr\u00e1b\u011bn\u00fdch odlitk\u016f z\u016fstane stejn\u00e1.<\/p>\n<p>Lze shrnout, \u017ee lit\u00ed hlin\u00edkov\u00fdch slitin do p\u00edsku m\u00e1 mnoho v\u00fdhod, nap\u0159\u00edklad hladk\u00fd povrch, p\u0159esn\u00e9 m\u011b\u0159en\u00ed, mo\u017enost snadn\u00e9 \u00fapravy a n\u00edzk\u00e9 n\u00e1klady. V\u00fdrobci v\u0161ak mus\u00ed s t\u011bmito probl\u00e9my n\u011bco d\u011blat a v\u011bd\u011bt, \u017ee tato metoda lit\u00ed m\u00e1 n\u011bkter\u00e9 probl\u00e9my, jako je degradace formy a p\u00f3rovitost. V\u00fdrobci si mohou vybrat nejlep\u0161\u00ed metodu odl\u00e9v\u00e1n\u00ed pro sv\u00e9 pot\u0159eby, pokud pochop\u00ed v\u00fdhody a nev\u00fdhody lit\u00ed hlin\u00edkov\u00fdch kov\u016f do p\u00edsku.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Manufacturing_Process_of_Sand_Casting_for_Aluminum_Alloys\"><\/span><strong>V\u00fdrobn\u00ed proces lit\u00ed hlin\u00edkov\u00fdch slitin do p\u00edsku<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Odl\u00e9v\u00e1n\u00ed do p\u00edsku je z\u00e1kladn\u00ed a \u010dasto pou\u017e\u00edvanou metodou p\u0159i odl\u00e9v\u00e1n\u00ed kov\u016f, zejm\u00e9na p\u0159i odl\u00e9v\u00e1n\u00ed hlin\u00edkov\u00fdch slitin. D\u00edky sv\u00e9 jednoduchosti a p\u0159izp\u016fsobivosti je dnes metodou volby pro v\u00fdrobu slo\u017eit\u00fdch a velk\u00fdch kovov\u00fdch sou\u010d\u00e1st\u00ed. Proces tvo\u0159\u00ed mnoho kl\u00ed\u010dov\u00fdch krok\u016f, z nich\u017e ka\u017ed\u00fd je nezbytn\u00fd pro dosa\u017een\u00ed kone\u010dn\u00e9ho v\u00fdsledku. Lid\u00e9, kte\u0159\u00ed pracuj\u00ed v oblasti konstrukce, v\u00fdroby nebo pou\u017eit\u00ed odl\u00e9van\u00fdch kovov\u00fdch sou\u010d\u00e1st\u00ed, mus\u00ed b\u00fdt v tomto postupu skute\u010dn\u011b dob\u0159e zb\u011bhl\u00ed.<\/p>\n<p><strong>Design p\u00edskov\u00e9 formy<\/strong><\/p>\n<p>Odl\u00e9v\u00e1n\u00ed do p\u00edsku za\u010d\u00edn\u00e1 n\u00e1vrhem vzoru, kter\u00fd p\u0159edstavuje zam\u00fd\u0161len\u00fd tvar odl\u00e9van\u00e9ho d\u00edlu. Obvykl\u00fdm postupem je zhotoven\u00ed tohoto vzoru z kovu, plastu nebo d\u0159eva. Vzor mus\u00ed b\u00fdt pon\u011bkud v\u011bt\u0161\u00ed, aby se zohlednilo smr\u0161\u0165ov\u00e1n\u00ed kovu, ke kter\u00e9mu doch\u00e1z\u00ed b\u011bhem procesu chlazen\u00ed. P\u0159esnost vzoru je rovn\u011b\u017e velmi d\u016fle\u017eit\u00e1, proto\u017ee p\u0159\u00edmo ovliv\u0148uje rozm\u011bry a kvalitu povrchu hotov\u00e9ho odlitku.<\/p>\n<p><strong>V\u00fdroba p\u00edskov\u00fdch forem<\/strong><\/p>\n<p>Vytvo\u0159en\u00ed formy Po um\u00edst\u011bn\u00ed vzoru do tvarovac\u00edho boxu, n\u011bkdy ozna\u010dovan\u00e9ho jako ba\u0148ka, se ba\u0148ka napln\u00ed p\u00edskem, kter\u00fd je kombinov\u00e1n s pojivem, je\u017e pom\u00e1h\u00e1 p\u00edsku udr\u017eet tvar. Ke zhutn\u011bn\u00ed p\u00edsku kolem vzoru se pou\u017e\u00edvaj\u00ed mechanick\u00e9 lisy i ru\u010dn\u00ed n\u00e1stroje. Jakmile p\u00edsek ztvrdne, vzor se pe\u010dliv\u011b odstran\u00ed a vznikne dutina, kter\u00e1 p\u0159esn\u011b odr\u00e1\u017e\u00ed tvar vzoru.<\/p>\n<p>Konstrukce z\u00e1klad\u016f Metoda odl\u00e9v\u00e1n\u00ed vyu\u017e\u00edv\u00e1 j\u00e1dro, kter\u00e9 umo\u017e\u0148uje v\u00fdrobu slo\u017eit\u00fdch vnit\u0159n\u00edch prvk\u016f nebo dutin. J\u00e1dra se vyr\u00e1b\u011bj\u00ed z p\u00edsku a pojiva, pot\u00e9 se vytvrd\u00ed a n\u00e1sledn\u011b se um\u00edst\u00ed do dutiny formy. Proto\u017ee j\u00e1dra v\u00fdznamn\u011b ovliv\u0148uj\u00ed vnit\u0159n\u00ed tvar odlitku, je jejich p\u0159esn\u00e9 um\u00edst\u011bn\u00ed nezbytn\u00e9.<\/p>\n<p><strong>Kombinace lit\u00ed a taven\u00ed<\/strong><\/p>\n<p>Pec se pou\u017e\u00edv\u00e1 k taven\u00ed hlin\u00edkov\u00e9 slitiny, kter\u00e1 se vol\u00ed podle vlastnost\u00ed pot\u0159ebn\u00fdch pro hotov\u00fd v\u00fdrobek, p\u0159i teplot\u00e1ch 660 a\u017e 750 stup\u0148\u016f Celsia, tj. 1220 a\u017e 1382 stup\u0148\u016f Fahrenheita. Pot\u00e9 se dutina a j\u00e1dra formy napln\u00ed roztaven\u00fdm hlin\u00edkem, kter\u00fd se do formy opatrn\u011b nalije. Rychlost nal\u00e9v\u00e1n\u00ed a teplota jsou dv\u011b kritick\u00e9 prom\u011bnn\u00e9, kter\u00e9 v\u00fdrazn\u011b ovliv\u0148uj\u00ed kvalitu odlitku. Tyto prvky ovliv\u0148uj\u00ed vlastnosti, jako je p\u00f3rovitost a mno\u017estv\u00ed vznikaj\u00edc\u00edch vad.<img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-12880\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2018\/10\/sand-catings.jpg\" alt=\"Slitiny hlin\u00edku odl\u00e9van\u00e9 do p\u00edsku\" width=\"480\" height=\"640\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2018\/10\/sand-catings.jpg 480w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2018\/10\/sand-catings-225x300.jpg 225w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/p>\n<p><strong>Chlazen\u00ed a odstra\u0148ov\u00e1n\u00ed odlitk\u016f (demolding)<\/strong><\/p>\n<p>Po nalit\u00ed do formy za\u010dne roztaven\u00fd kov chladnout a tuhnout. Tento interval chladnut\u00ed je nezbytn\u011b nutn\u00fd pro vytvo\u0159en\u00ed odlitku se z\u00e1kladn\u00edmi mechanick\u00fdmi vlastnostmi. Jakmile kov dos\u00e1hne po\u017eadovan\u00e9 konzistence, lze odlitek vid\u011bt po demont\u00e1\u017ei p\u00edskov\u00e9 formy. Forma byla neopraviteln\u011b po\u0161kozena, a proto je nevhodn\u00e1 pro dal\u0161\u00ed odl\u00e9v\u00e1n\u00ed; proto je t\u0159eba pro ka\u017ed\u00e9 dal\u0161\u00ed odl\u00e9v\u00e1n\u00ed pou\u017e\u00edt novou formu.<\/p>\n<p><strong>Dokon\u010den\u00ed kontrol a prov\u011brek<\/strong><\/p>\n<p>Posledn\u00edm krokem p\u0159i odl\u00e9v\u00e1n\u00ed do p\u00edsku je \u010di\u0161t\u011bn\u00ed a dokon\u010dov\u00e1n\u00ed odlitku. Obvykle se jedn\u00e1 o odstran\u011bn\u00ed nepot\u0159ebn\u00fdch sou\u010d\u00e1st\u00ed, jako jsou ot\u0159epy, vtoky a hrad\u00edtka. K dosa\u017een\u00ed po\u017eadovan\u00e9 \u00farovn\u011b le\u0161t\u011bn\u00ed povrchu a rozm\u011brov\u00e9 p\u0159esnosti m\u016f\u017ee b\u00fdt tak\u00e9 nutn\u00e9 pou\u017e\u00edt p\u00edskov\u00e1n\u00ed, brou\u0161en\u00ed nebo obr\u00e1b\u011bn\u00ed. Aby bylo zaji\u0161t\u011bno, \u017ee odlitek spl\u0148uje v\u0161echny normy, je v z\u00e1v\u011bre\u010dn\u00e9m procesu d\u016fkladn\u011b zkontrolov\u00e1n. Mezi nejtypi\u010dt\u011bj\u0161\u00ed kontroln\u00ed metody pat\u0159\u00ed vizu\u00e1ln\u00ed kontrola, ov\u011b\u0159en\u00ed rozm\u011br\u016f a nedestruktivn\u00ed metody zkou\u0161en\u00ed v\u010detn\u011b rentgenov\u00e9ho a ultrazvukov\u00e9ho vy\u0161et\u0159en\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"New_thoughts_and_styles_on_how_to_cast_aluminum_metals_in_sand\"><\/span>Nov\u00e9 my\u0161lenky a styly odl\u00e9v\u00e1n\u00ed hlin\u00edkov\u00fdch kov\u016f do p\u00edsku<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Odl\u00e9v\u00e1n\u00ed do p\u00edsku se d\u00edky ned\u00e1vn\u00e9mu technologick\u00e9mu pokroku zna\u010dn\u011b zlep\u0161ilo. Jeden ze zp\u016fsob\u016f v\u00fdroby model\u016f a forem se zm\u011bnil po n\u00e1stupu 3D tisku. Star\u0161\u00ed metody vy\u017eadovaly v\u00edce \u010dasu a st\u00e1ly v\u00edce pen\u011bz. Nav\u00edc v\u011bdci neust\u00e1le zkoumaj\u00ed chemick\u00e9 a fyzik\u00e1ln\u00ed vlastnosti kov\u016f, aby mohli vyr\u00e1b\u011bt nov\u00e9 hlin\u00edkov\u00e9 slitiny, kter\u00e9 budou tvrd\u0161\u00ed a vydr\u017e\u00ed d\u00e9le.<\/p>\n<p>Je tak\u00e9 d\u016fle\u017eit\u00e9, aby byl podnik ekologicky udr\u017eiteln\u00fd. Lid\u00e9 se sna\u017e\u00ed v\u011bci znovu pou\u017e\u00edvat a vytv\u00e1\u0159et m\u00e9n\u011b odpadu pro odl\u00e9v\u00e1n\u00ed p\u00edsku, aby to bylo lep\u0161\u00ed pro Zemi.<\/p>\n<p><strong>Vzhledem k tomu, \u017ee bylo \u0159e\u010deno<\/strong><\/p>\n<p>Modern\u00ed v\u00fdroba pot\u0159ebuje hodn\u011b hlin\u00edkov\u00fdch slitin lit\u00fdch do p\u00edsku, proto\u017ee jsou flexibiln\u00ed, levn\u00e9 a dob\u0159e odv\u00e1d\u011bj\u00ed svou pr\u00e1ci. N\u00e1stroje a materi\u00e1ly pou\u017e\u00edvan\u00e9 pro odl\u00e9v\u00e1n\u00ed do p\u00edsku se budou st\u00e1le zdokonalovat s t\u00edm, jak se budou m\u011bnit technologie a jak budou nar\u016fstat probl\u00e9my \u017eivotn\u00edho prost\u0159ed\u00ed. D\u00edky t\u011bmto zm\u011bn\u00e1m by se m\u011bly slitiny hlin\u00edku odl\u00e9van\u00e9 do p\u00edsku st\u00e1t u\u017eite\u010dn\u011bj\u0161\u00edmi v podnic\u00edch po cel\u00e9m sv\u011bt\u011b, proto\u017ee budou l\u00e9pe plnit svou funkci.<\/p>\n<p>Tato podrobn\u00e1 p\u0159edn\u00e1\u0161ka nejen ukazuje, kde se technologie lit\u00ed do p\u00edsku nach\u00e1z\u00ed nyn\u00ed, ale tak\u00e9 vytv\u00e1\u0159\u00ed p\u0159edpoklady pro jej\u00ed budouc\u00ed rozvoj. To povede k dal\u0161\u00edmu studiu a nov\u00fdm n\u00e1pad\u016fm v t\u00e9to oblasti, kter\u00e1 se neust\u00e1le m\u011bn\u00ed. <span style=\"font-weight: 400;\">Zjist\u011bte v\u00edce o <a href=\"https:\/\/aludiecasting.com\/cs\/rotary-air-compressor-parts\/\"><em><strong>D\u00edly rota\u010dn\u00edch vzduchov\u00fdch kompresor\u016f<\/strong><\/em><\/a><\/span><\/p>\n<p>V\u00edtejte v GC Precision Mould, nejlep\u0161\u00edm m\u00edst\u011b v \u010c\u00edn\u011b, kde m\u016f\u017eete z\u00edskat vysoce kvalitn\u00ed slu\u017eby jako v\u00fdrobce tlakov\u00fdch odlitk\u016f. <a href=\"https:\/\/www.plasticmold.net\/\" target=\"_blank\" rel=\"noopener\">V\u00fdrobce forem<\/a>. Jsme odborn\u00edci na v\u00fdrobu vysoce kvalitn\u00edch plastov\u00fdch forem, <a href=\"https:\/\/aludiecasting.com\/cs\/hlinikove-formy-pro-tlakove-liti\/\">formy pro tlakov\u00e9 lit\u00ed hlin\u00edku<\/a>a \u0161irokou \u0161k\u00e1lu tlakov\u011b lit\u00fdch d\u00edl\u016f z kov\u016f, jako je ho\u0159\u010d\u00edk, zinek a hlin\u00edk.<\/p>\n<p>Ve spole\u010dnosti GC Precision Mould se v\u011bnujeme poskytov\u00e1n\u00ed nejlep\u0161\u00edch slu\u017eeb v oblasti st\u0159\u00edkan\u00e9ho lakov\u00e1n\u00ed eloxovan\u00e9ho hlin\u00edku a dal\u0161\u00edch odlitk\u016f. Na\u0161i zku\u0161en\u00ed in\u017een\u00fd\u0159i a technici pou\u017e\u00edvaj\u00ed nejnov\u011bj\u0161\u00ed n\u00e1stroje a metody, aby se ujistili, \u017ee ka\u017ed\u00fd n\u00e1mi vyroben\u00fd d\u00edl nejen spl\u0148uje, ale tak\u00e9 projde nejp\u0159\u00edsn\u011bj\u0161\u00edmi normami kvality a p\u0159esnosti.<\/p>\n<p>Na\u0161e v\u00fdrobky se pou\u017e\u00edvaj\u00ed v mnoha oborech, nap\u0159\u00edklad v automobilov\u00e9m pr\u016fmyslu, spot\u0159ebn\u00edm zbo\u017e\u00ed, l\u00e9ka\u0159sk\u00fdch p\u0159\u00edstroj\u00edch a pr\u016fmyslov\u00fdch za\u0159\u00edzen\u00edch. \u00dazce spolupracujeme s na\u0161imi klienty, abychom pln\u011b porozum\u011bli jejich individu\u00e1ln\u00edm pot\u0159eb\u00e1m. To n\u00e1m umo\u017e\u0148uje navrhovat \u0159e\u0161en\u00ed na m\u00edru, kter\u00e1 dokonale spl\u0148uj\u00ed jejich pot\u0159eby v oblasti st\u0159\u00edkan\u00e9ho eloxovan\u00e9ho hlin\u00edku.<\/p>\n<p>M\u016f\u017eeme v\u00e1m poskytnout skv\u011bl\u00e9 v\u00fdsledky, a\u0165 u\u017e v\u00e1\u0161 projekt vy\u017eaduje jednu plastovou formu nebo celou v\u00fdrobn\u00ed linku na tlakov\u00e9 lit\u00ed, proto\u017ee m\u00e1me mnoho zku\u0161enost\u00ed a zdroj\u016f. Kontaktujte n\u00e1s ihned a dozv\u00edte se v\u00edce o na\u0161ich slu\u017eb\u00e1ch a o tom, jak v\u00e1m m\u016f\u017eeme pomoci dos\u00e1hnout va\u0161ich v\u00fdrobn\u00edch c\u00edl\u016f.<\/p>\n<p>Spojte se s n\u00e1mi a z\u00edskejte nejlep\u0161\u00ed nab\u00eddky a nejlep\u0161\u00ed slu\u017eby pro sv\u016fj projekt Die casting China pro eloxovan\u00fd hlin\u00edk nebo dodavatele forem pro vst\u0159ikov\u00e1n\u00ed v\u00fdrobk\u016f s povrchovou \u00fapravou n\u00e1st\u0159ikem. V\u00e1\u0161 \u00fasp\u011bch je pro n\u00e1s velmi d\u016fle\u017eit\u00fd a r\u00e1di v\u00e1m pom\u016f\u017eeme s va\u0161imi projekty tlakov\u00e9ho lit\u00ed hlin\u00edku.<\/p>","protected":false},"excerpt":{"rendered":"<p>Overview of Sand Casting and Aluminum Alloys To make sand cast aluminum alloys, other metals are mixed with aluminum to take advantage of its unique properties while also making it more useful in a wider range of business situations. Because of how it is made, it is much easier to change the material&#8217;s properties to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12877,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-13590","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aluminium-alloy-castings"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/13590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/comments?post=13590"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/13590\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media\/12877"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media?parent=13590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/categories?post=13590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/tags?post=13590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}