{"id":20482,"date":"2026-01-02T15:45:19","date_gmt":"2026-01-02T15:45:19","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=20482"},"modified":"2026-01-02T15:45:19","modified_gmt":"2026-01-02T15:45:19","slug":"lze-svarovat-hlinikove-odlitky","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/","title":{"rendered":"Lze sva\u0159ovat hlin\u00edkov\u00e9 odlitky? Kompletn\u00ed pr\u016fvodce krok za krokem 2026"},"content":{"rendered":"<p>Lid\u00e9 si obvykle kladou ot\u00e1zku: Lze sva\u0159ovat hlin\u00edkov\u00e9 odlitky? Odpov\u011b\u010f zn\u00ed ano, hlin\u00edkov\u00e9 odlitky lze sva\u0159ovat, ale nen\u00ed to snadn\u00e9. Lit\u00fd hlin\u00edk nen\u00ed podobn\u00fd b\u011b\u017en\u00e9mu hlin\u00edku a vy\u017eaduje speci\u00e1ln\u00ed p\u0159\u00edpravu, vhodn\u00e9 techniky sva\u0159ov\u00e1n\u00ed a dovednosti.<\/p>\n<p><a href=\"https:\/\/aludiecasting.com\/cs\/hlinikovy-odlitek-2\/\"><strong>Hlin\u00edkov\u00fd odlitek<\/strong> <\/a>se b\u011b\u017en\u011b vyskytuje v sou\u010d\u00e1stech motor\u016f, kuchy\u0148sk\u00e9m n\u00e1dob\u00ed, n\u00e1bytku, stroj\u00edch a automobilov\u00fdch sou\u010d\u00e1stk\u00e1ch. Sva\u0159ov\u00e1n\u00ed je obl\u00edbenou metodou opravy t\u011bchto d\u00edl\u016f, kdy\u017e se zlom\u00ed nebo se na nich vytvo\u0159\u00ed stopy. Nicm\u00e9n\u011b v p\u0159\u00edpad\u011b nespr\u00e1vn\u00e9ho sva\u0159ov\u00e1n\u00ed m\u016f\u017ee kov op\u011bt prasknout nebo se st\u00e1t k\u0159ehk\u00fdm.<\/p>\n<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\/lze-svarovat-hlinikove-odlitky\/#What_Is_Cast_Aluminum\" >Co je lit\u00fd hlin\u00edk?<\/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\/lze-svarovat-hlinikove-odlitky\/#Why_Is_Cast_Aluminum_Hard_to_Weld\" >Pro\u010d je sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f obt\u00ed\u017en\u00e9?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#1_Porosity_Air_Holes\" >1.     P\u00f3rovitost (vzduchov\u00e9 otvory)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#2_Oxide_Layer\" >2.     Oxidov\u00e1 vrstva<\/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\/lze-svarovat-hlinikove-odlitky\/#3_Unknown_Metal_Composition\" >3.     Nezn\u00e1m\u00e9 slo\u017een\u00ed kovu<\/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\/lze-svarovat-hlinikove-odlitky\/#4_Cracking_Issues\" >4.     Probl\u00e9my s prask\u00e1n\u00edm<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Aluminum_Castings_types_and_weldability\" >Typy hlin\u00edkov\u00fdch odlitk\u016f a sva\u0159itelnost<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Sand_Castings\" >Odlitky z p\u00edsku:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Die_Castings\" >Tlakov\u00e9 odlitky:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Permanent_Mold_Castings\" >Odlitky z trval\u00e9 formy:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Successful_Welding_of_Cast_Aluminum\" >\u00dasp\u011b\u0161n\u00e9 sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#The_Best_Welding_Techniques_of_Cast_Aluminum\" >Nejlep\u0161\u00ed techniky sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#1_TIG_Welding_Cast_Aluminum_Best_Method\" >1. Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f metodou TIG (nejlep\u0161\u00ed metoda)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#2_MIG_Welding_Cast_Aluminum\" >2. Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f metodou MIG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#3_Stick_Welding_Not_Recommended\" >3. Sva\u0159ov\u00e1n\u00ed ty\u010d\u00ed (nedoporu\u010duje se)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Tools_and_Equipment_Needed\" >Pot\u0159ebn\u00e9 n\u00e1stroje a vybaven\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Welding_Cast_Aluminum_Step-by-Step\" >Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f, krok za krokem<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Step_1_Determine_the_part_of_the_Cast_Aluminum\" >Krok 1: Ur\u010den\u00ed \u010d\u00e1sti hlin\u00edkov\u00e9ho odlitku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Step_2_Clean_the_Surface_in_a_Correct_Way\" >Krok 2: Spr\u00e1vn\u00e9 \u010di\u0161t\u011bn\u00ed povrchu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Step_3_Preheating_of_the_Cast_Aluminum\" >Krok 3: P\u0159edeh\u0159\u00e1t\u00ed hlin\u00edkov\u00e9ho odlitku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Step_4_Select_the_Right_Filler_Rod\" >Krok 4: V\u00fdb\u011br spr\u00e1vn\u00e9 v\u00fdpl\u0148ov\u00e9 ty\u010de<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Step_5_Start_Welding_Slowly\" >Krok 5: Za\u010dn\u011bte pomalu sva\u0159ovat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Step_6_Allow_Proper_Cooling\" >Krok 6: Umo\u017en\u011bte spr\u00e1vn\u00e9 chlazen\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Typical_Issues_of_Welding_Cast_Aluminum\" >Typick\u00e9 probl\u00e9my p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Common_Mistakes_to_Avoid\" >Nej\u010dast\u011bj\u0161\u00ed chyby, kter\u00fdch se vyvarujte<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Welding_Cast_Aluminum_Safety_Tips\" >Bezpe\u010dnostn\u00ed tipy pro sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#What_to_avoid_when_Welding_cast_aluminum\" >\u010ceho se vyvarovat p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Comparison_of_Cast_Aluminum_and_Regular_Aluminum\" >Srovn\u00e1n\u00ed lit\u00e9ho hlin\u00edku a b\u011b\u017en\u00e9ho hlin\u00edku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Common_Uses_of_Welded_Cast_Aluminum\" >B\u011b\u017en\u00e9 pou\u017eit\u00ed sva\u0159ovan\u00e9ho lit\u00e9ho hlin\u00edku<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Welding_Cast_Aluminum_Price\" >Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f Cena<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Suggestions_To_Enhance_the_Work_of_Cast_Aluminum_Welding\" >N\u00e1vrhy na zlep\u0161en\u00ed pr\u00e1ce p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#The_Good_Cast_Aluminum_Weld_Signs\" >Dobr\u00e9 lit\u00e9 hlin\u00edkov\u00e9 sva\u0159ovac\u00ed znaky.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#How_to_hire_a_Professional_Welder\" >Jak najmout profesion\u00e1ln\u00edho sv\u00e1\u0159e\u010de?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Cast_Aluminum_Welding_Benefits_to_the_Environment\" >P\u0159\u00ednosy sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f pro \u017eivotn\u00ed prost\u0159ed\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#End_Notes\" >Pozn\u00e1mky na z\u00e1v\u011br<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Frequently_Asked_Questions\" >\u010casto kladen\u00e9 ot\u00e1zky<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Can_cast_aluminum_be_welded\" >Lze sva\u0159ovat hlin\u00edkov\u00e9 odlitky?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Which_is_the_most_suitable_way_of_welding_cast_aluminum\" >Kter\u00fd zp\u016fsob sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f je nejvhodn\u011bj\u0161\u00ed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Is_preheating_of_cast_aluminum_before_welding_required\" >Je nutn\u00e9 p\u0159edeh\u0159\u00edv\u00e1n\u00ed hlin\u00edkov\u00e9ho odlitku p\u0159ed sva\u0159ov\u00e1n\u00edm?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#What_is_the_most_suitable_filler_rod_to_use_to_weld_cast_aluminum\" >Jak\u00e1 je nejvhodn\u011bj\u0161\u00ed p\u0159\u00eddavn\u00e1 ty\u010d pro sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Are_novices_capable_of_welding_cast_aluminum\" >Jsou za\u010d\u00e1te\u010dn\u00edci schopni sva\u0159ovat hlin\u00edkov\u00e9 odlitky?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#What_are_some_issues_in_welding_cast_aluminum\" >Jak\u00e9 jsou probl\u00e9my p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#Is_it_possible_to_repair_every_crack_in_cast_aluminum\" >Je mo\u017en\u00e9 opravit ka\u017edou prasklinu v hlin\u00edkov\u00e9m odlitku?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#What_can_I_do_to_improve_my_welds\" >Co mohu ud\u011blat pro zlep\u0161en\u00ed sv\u00fdch svar\u016f?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#How_do_I_know_if_my_weld_is_good\" >Jak zjist\u00edm, zda je m\u016fj svar dobr\u00fd?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/aludiecasting.com\/cs\/lze-svarovat-hlinikove-odlitky\/#When_is_it_time_to_employ_the_professional_welder\" >Kdy je \u010das zam\u011bstnat profesion\u00e1ln\u00edho sv\u00e1\u0159e\u010de?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_Cast_Aluminum\"><\/span><strong>Co je lit\u00fd hlin\u00edk?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/5-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-20476 size-large aligncenter\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/5-1-1024x574.jpg\" alt=\"Co je lit\u00fd hlin\u00edk?\" width=\"1024\" height=\"574\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/5-1-980x549.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/5-1-480x269.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>Hlin\u00edkov\u00fd odlitek ozna\u010duje roztaven\u00fd hlin\u00edk, kter\u00fd se nalije do formy a z\u00edsk\u00e1 ur\u010dit\u00fd tvar. Po ochlazen\u00ed ztuhne a zachov\u00e1 si tvar formy. To je u\u017eite\u010dn\u00e9 p\u0159i v\u00fdrob\u011b slo\u017eit\u00fdch d\u00edl\u016f a konstrukc\u00ed, kter\u00e9 by bylo obt\u00ed\u017en\u00e9 vyrobit jin\u00fdmi prost\u0159edky.<\/p>\n<p><strong>Kl\u00ed\u010dov\u00e9 vlastnosti hlin\u00edkov\u00e9ho odlitku:<\/strong><\/p>\n<ul>\n<li>Obsahuje ne\u010distoty a vzduchov\u00e9 bubliny.<\/li>\n<li>K\u0159ehk\u00e9 slo\u017een\u00ed ve srovn\u00e1n\u00ed s b\u011b\u017en\u00fdm hlin\u00edkem.<\/li>\n<li>\u010casto obsahuje k\u0159em\u00edk<\/li>\n<li>Pou\u017e\u00edv\u00e1 se pro slo\u017eit\u00e9 tvary<\/li>\n<\/ul>\n<p>D\u00edky t\u011bmto vlastnostem je sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f obt\u00ed\u017en\u011bj\u0161\u00ed ne\u017e sva\u0159ov\u00e1n\u00ed plech\u016f nebo \u010dist\u00e9ho hlin\u00edku.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Is_Cast_Aluminum_Hard_to_Weld\"><\/span><strong>Pro\u010d je sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f obt\u00ed\u017en\u00e9?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/2-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-20481 size-large aligncenter\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/2-1-1024x574.jpg\" alt=\"Pro\u010d je sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f obt\u00ed\u017en\u00e9?\" width=\"1024\" height=\"574\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/2-1-980x549.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/2-1-480x269.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>Nau\u010dit se sva\u0159ovat hlin\u00edkov\u00e9 odlitky je obt\u00ed\u017en\u00e9, a ne\u017e se to nau\u010d\u00edte, mus\u00edte v\u011bd\u011bt pro\u010d.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Porosity_Air_Holes\"><\/span><strong><em>1.\u00a0\u00a0\u00a0\u00a0 <\/em><em>P\u00f3rovitost (vzduchov\u00e9 otvory)<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hlin\u00edkov\u00fd odlitek obsahuje drobn\u00e9 vzduchov\u00e9 p\u00f3ry. Tyto p\u00f3ry tak\u00e9 p\u0159i zah\u0159\u00edv\u00e1n\u00ed v procesu sva\u0159ov\u00e1n\u00ed uvol\u0148uj\u00ed plyn, \u010d\u00edm\u017e vznikaj\u00ed slab\u00e9 svary a praskliny.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Oxide_Layer\"><\/span><strong><em>2.\u00a0\u00a0\u00a0\u00a0 <\/em><em>Oxidov\u00e1 vrstva<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Na povrchu se vytvo\u0159\u00ed povlak oxidu hlinit\u00e9ho. Tato vrstva m\u00e1 v porovn\u00e1n\u00ed se samotn\u00fdm hlin\u00edkem velmi vysokou teplotu, a proto se obt\u00ed\u017en\u011b sva\u0159uje.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Unknown_Metal_Composition\"><\/span><strong><em>3.\u00a0\u00a0\u00a0\u00a0 <\/em><em>Nezn\u00e1m\u00e9 slo\u017een\u00ed kovu<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u011bt\u0161ina hlin\u00edkov\u00fdch odlitk\u016f obsahuje nezn\u00e1m\u00e9 slo\u017eky slitin, co\u017e m\u016f\u017ee ovlivnit reakci kovu na teplo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Cracking_Issues\"><\/span><strong><em>4.\u00a0\u00a0\u00a0\u00a0 <\/em><em>Probl\u00e9my s krakov\u00e1n\u00edm<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hlin\u00edkov\u00e9 odlitky se po sva\u0159ov\u00e1n\u00ed snadno l\u00e1mou, pokud nejsou spr\u00e1vn\u011b p\u0159edeh\u0159\u00e1t\u00e9 nebo ochlazen\u00e9.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Aluminum_Castings_types_and_weldability\"><\/span><strong>Typy hlin\u00edkov\u00fdch odlitk\u016f a sva\u0159itelnost<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/1-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-20480 size-large aligncenter\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/1-1-1024x574.jpg\" alt=\"Pro\u010d je sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f obt\u00ed\u017en\u00e9?\" width=\"1024\" height=\"574\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/1-1-980x549.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/1-1-480x269.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>Hlin\u00edkov\u00e9 odlitky jsou tak\u00e9 velmi obl\u00edben\u00e9 v automobilov\u00e9m pr\u016fmyslu, pr\u016fmyslu a dom\u00e1cnosti, proto\u017ee z nich lze vyrobit slo\u017eit\u00e9 tvary. Je d\u016fle\u017eit\u00e9 zjistit, jak\u00e9 druhy hlin\u00edkov\u00fdch odlitk\u016f lze opravovat a jak jsou sva\u0159iteln\u00e9, abyste je mohli opravovat a vyr\u00e1b\u011bt. Hlavn\u00edmi z nich jsou odlitky z p\u00edsku, tlakov\u00e9 odlitky a odlitky pro trval\u00e9 formy.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sand_Castings\"><\/span><strong>Odlitky z p\u00edsku:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u00edskov\u00e9 odlitky se vyr\u00e1b\u011bj\u00ed lit\u00edm roztaven\u00e9ho hlin\u00edku do zhutn\u011bn\u00fdch p\u00edskov\u00fdch forem. Je to pom\u011brn\u011b snadn\u00e9 a levn\u00e9 a lze p\u0159i n\u011bm vyr\u00e1b\u011bt velk\u00e9 nebo slo\u017eit\u00e9 sou\u010d\u00e1sti. P\u00edskov\u00e9 odlitky maj\u00ed tendenci m\u00edt v sob\u011b p\u00f3ry nebo n\u011bjak\u00fd vzduch, a proto by bylo trochu slo\u017eit\u00e9 prov\u00e1d\u011bt sva\u0159ov\u00e1n\u00ed.<\/p>\n<p>Proto\u017ee v\u0161ak maj\u00ed men\u0161\u00ed hustotu a vnit\u0159n\u00ed pnut\u00ed jsou men\u0161\u00ed, je sva\u0159ov\u00e1n\u00ed p\u00edskov\u00fdch odlitk\u016f ve srovn\u00e1n\u00ed s tlakov\u00fdmi odlitky obvykle snaz\u0161\u00ed. Je tak\u00e9 velmi nutn\u00e9 p\u0159edeh\u0159\u00e1t a d\u016fkladn\u011b o\u010distit povrch, aby se p\u0159ede\u0161lo vzniku trhlin a aby se zajistil spr\u00e1vn\u00fd pr\u016fvar svaru.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Die_Castings\"><\/span><strong>Tlakov\u00e9 odlitky:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tlakov\u00e9 odlitky se vyr\u00e1b\u011bj\u00ed tak, \u017ee se roztaven\u00fd hlin\u00edk pod siln\u00fdm tlakem vkl\u00e1d\u00e1 do kovov\u00fdch forem. T\u00edmto procesem vznikaj\u00ed d\u00edly s hladk\u00fdm povrchem, vysokou p\u0159esnost\u00ed a hustou strukturou. Tlakov\u00e9 odlitky se v\u0161ak h\u016f\u0159e sva\u0159uj\u00ed, proto\u017ee obsahuj\u00ed vysok\u00e1 vnit\u0159n\u00ed pnut\u00ed a t\u011b\u017eko sn\u00e1\u0161ej\u00ed teplo.<\/p>\n<p>P\u0159i sva\u0159ov\u00e1n\u00ed bez p\u0159edeh\u0159evu m\u016f\u017ee doj\u00edt k prasklin\u00e1m nebo deformaci. Je tak\u00e9 nutn\u00e9 spr\u00e1vn\u011b zvolit p\u0159\u00eddavnou ty\u010d, kter\u00e1 je obvykle ER4043 nebo ER5356, aby vyhovovala dan\u00e9 slitin\u011b. V p\u0159\u00edpad\u011b tlakov\u00fdch odlitk\u016f mus\u00ed b\u00fdt sva\u0159ov\u00e1n\u00ed pomal\u00e9, po kr\u00e1tk\u00fdch \u010d\u00e1stech a kontrolovan\u00e9 z hlediska tepla.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Permanent_Mold_Castings\"><\/span><strong>Odlitky z trval\u00e9 formy:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trval\u00e9 odlitky do forem nebo gravita\u010dn\u00ed odlitky. Odlitky do trval\u00fdch forem (naz\u00fdvan\u00e9 tak\u00e9 gravita\u010dn\u00ed odlitky) jsou odlitky vyr\u00e1b\u011bn\u00e9 lit\u00edm roztaven\u00e9ho hlin\u00edku do trval\u00fdch kovov\u00fdch forem. Ve srovn\u00e1n\u00ed s p\u00edskov\u00fdmi nebo tlakov\u00fdmi odlitky nab\u00edzej\u00ed vynikaj\u00edc\u00ed rovnom\u011brnost, men\u0161\u00ed po\u010det vad a men\u0161\u00ed p\u00f3rovitost.<\/p>\n<p>Sva\u0159ov\u00e1n\u00ed odlitk\u016f je ve srovn\u00e1n\u00ed s tlakov\u00fdmi odlitky jednoduch\u00e9, ale n\u00e1ro\u010dn\u011bj\u0161\u00ed ne\u017e u odlitk\u016f z p\u00edsku, proto\u017ee jsou t\u011b\u017e\u0161\u00ed a manipulace s nimi je obt\u00ed\u017en\u011bj\u0161\u00ed. Doporu\u010duje se technika p\u0159edeh\u0159evu, aby se minimalizovalo prask\u00e1n\u00ed, a sva\u0159ov\u00e1n\u00ed metodou TIG je nejvhodn\u011bj\u0161\u00ed technikou sva\u0159ov\u00e1n\u00ed, aby byl svar \u010dist\u00fd a pevn\u00fd.<\/p>\n<p>Hlin\u00edkov\u00fd odlitek je d\u00e1n druhem odlitku, jeho hustotou, p\u00f3rovitost\u00ed a vnit\u0159n\u00edm pnut\u00edm, kter\u00e9 ur\u010duj\u00ed jeho sva\u0159itelnost. Nejjednodu\u0161\u0161\u00ed jsou odlitky do p\u00edsku, nejslo\u017eit\u011bj\u0161\u00ed jsou tlakov\u00e9 odlitky a odlitky do trval\u00fdch forem jsou uprost\u0159ed.<\/p>\n<p>Se znalost\u00ed druhu odlitku a spr\u00e1vn\u00e9ho p\u0159edeh\u0159evu, techniky sva\u0159ov\u00e1n\u00ed a p\u0159\u00eddavn\u00e9 ty\u010de mohou sv\u00e1\u0159e\u010di vytvo\u0159it zdrav\u00e9, pevn\u00e9 a spolehliv\u00e9 svary na jak\u00e9mkoli hlin\u00edkov\u00e9m odlitku.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Successful_Welding_of_Cast_Aluminum\"><\/span><strong>\u00dasp\u011b\u0161n\u00e9 sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f je mo\u017en\u00e9:<\/p>\n<ul>\n<li>Kov je \u0159\u00e1dn\u011b vy\u010di\u0161t\u011bn.<\/li>\n<li>Je pou\u017eit spr\u00e1vn\u00fd postup sva\u0159ov\u00e1n\u00ed.<\/li>\n<li>Jsou vybr\u00e1ny vhodn\u00e9 v\u00fdpl\u0148ov\u00e9 ty\u010de.<\/li>\n<li>Kontrola tepla je zachov\u00e1na.<\/li>\n<\/ul>\n<p>Hlin\u00edkov\u00e9 odlitky mohou opravovat profesion\u00e1ln\u00ed sv\u00e1\u0159e\u010di i amat\u00e9\u0159i s prax\u00ed a \u010dasem.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_Best_Welding_Techniques_of_Cast_Aluminum\"><\/span><strong>Nejlep\u0161\u00ed techniky sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_TIG_Welding_Cast_Aluminum_Best_Method\"><\/span><strong><em>1. Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f metodou TIG (nejlep\u0161\u00ed metoda)<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sva\u0159ov\u00e1n\u00ed metodou TIG je nejvhodn\u011bj\u0161\u00edm postupem pro sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f.<\/p>\n<p>Pro\u010d je sva\u0159ov\u00e1n\u00ed TIG nejlep\u0161\u00ed:<\/p>\n<ul>\n<li>Lep\u0161\u00ed kontrola tepla<\/li>\n<li>\u010cist\u0161\u00ed a pevn\u011bj\u0161\u00ed svary<\/li>\n<li>Vhodn\u00e9 pro tenk\u00e9 a siln\u00e9 sou\u010d\u00e1sti.<\/li>\n<\/ul>\n<p><strong>Pokyny pro sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f metodou TIG:<\/strong><\/p>\n<ul>\n<li>Pou\u017eit\u00ed st\u0159\u00eddav\u00e9ho proudu<\/li>\n<li>Pou\u017e\u00edvejte \u010dist\u00fd plyn argon<\/li>\n<li>Vyberte spr\u00e1vnou v\u00fdpl\u0148ovou ty\u010d z hlin\u00edku.<\/li>\n<li>Sva\u0159ujte pomalu a rovnom\u011brn\u011b<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_MIG_Welding_Cast_Aluminum\"><\/span><strong><em>2. Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f metodou MIG<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Je tak\u00e9 mo\u017en\u00e9 pou\u017e\u00edt sva\u0159ov\u00e1n\u00ed metodou MIG, kter\u00e9 nen\u00ed tak p\u0159esn\u00e9 jako sva\u0159ov\u00e1n\u00ed metodou TIG.<\/p>\n<p><strong>Klady:<\/strong><\/p>\n<ul>\n<li>Rychlej\u0161\u00ed sva\u0159ov\u00e1n\u00ed<\/li>\n<li>Jednodu\u0161\u0161\u00ed pro za\u010d\u00e1te\u010dn\u00edky<\/li>\n<\/ul>\n<p><strong>Nev\u00fdhody:<\/strong><\/p>\n<ul>\n<li>Men\u0161\u00ed kontrola<\/li>\n<li>V\u011bt\u0161\u00ed pravd\u011bpodobnost p\u00f3rovitosti<\/li>\n<li>Nevhodn\u00e9 pro tenk\u00e9 hlin\u00edkov\u00e9 odlitky.<\/li>\n<\/ul>\n<p>Sva\u0159ov\u00e1n\u00ed metodou MIG je vhodn\u011bj\u0161\u00ed pro t\u011b\u017e\u0161\u00ed hlin\u00edkov\u00e9 odlitky.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Stick_Welding_Not_Recommended\"><\/span><strong><em>3. Sva\u0159ov\u00e1n\u00ed ty\u010d\u00ed (nedoporu\u010duje se)<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pokud pou\u017e\u00edv\u00e1te regulovan\u00e9 sva\u0159ovac\u00ed za\u0159\u00edzen\u00ed, pou\u017e\u00edvejte je ve velk\u00e9m rozsahu a \u010dasto, abyste vytvo\u0159ili vysoce kvalitn\u00ed svar, na rozd\u00edl od pr\u016fb\u011b\u017en\u00e9ho opakovan\u00e9ho sva\u0159ov\u00e1n\u00ed mal\u00fdch d\u00edl\u016f.<\/p>\n<p>Hlin\u00edkov\u00e9 odlitky nelze sva\u0159ovat ty\u010dov\u00fdm sva\u0159ov\u00e1n\u00edm z n\u00e1sleduj\u00edc\u00edch d\u016fvod\u016f:<\/p>\n<ul>\n<li>\u0160patn\u00e1 kvalita svaru<\/li>\n<li>Obt\u00ed\u017en\u00e1 regulace tepla<\/li>\n<li>Slab\u00e9 klouby<\/li>\n<\/ul>\n<p>Tento p\u0159\u00edstup se v\u011bt\u0161inou nepou\u017e\u00edv\u00e1 p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edku.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tools_and_Equipment_Needed\"><\/span><strong>Pot\u0159ebn\u00e9 n\u00e1stroje a vybaven\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>P\u0159\u00edprava p\u0159edem: po\u0159i\u010fte si vhodn\u00e9 n\u00e1\u0159ad\u00ed.<\/p>\n<p>Pot\u0159ebn\u00e9 vybaven\u00ed:<\/p>\n<ul>\n<li>Sv\u00e1\u0159e\u010dka TIG nebo MIG<\/li>\n<li>Hlin\u00edkov\u00e9 plnic\u00ed ty\u010de<\/li>\n<li>Dr\u00e1t\u011bn\u00fd kart\u00e1\u010d z nerezov\u00e9 oceli<\/li>\n<li>Aceton nebo odma\u0161\u0165ova\u010d<\/li>\n<li>Ochrann\u00e1 p\u0159ilba a rukavice.<\/li>\n<li>P\u0159edeh\u0159\u00e1t\u00ed ho\u0159\u00e1ku nebo trouby<\/li>\n<\/ul>\n<p>\u00dasp\u011b\u0161nost sva\u0159ov\u00e1n\u00ed se zvy\u0161uje, pokud se pou\u017e\u00edv\u00e1 odpov\u00eddaj\u00edc\u00ed vybaven\u00ed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Welding_Cast_Aluminum_Step-by-Step\"><\/span><strong>Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f, krok za krokem<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_Determine_the_part_of_the_Cast_Aluminum\"><\/span><strong><em>Krok 1: Ur\u010den\u00ed \u010d\u00e1sti hlin\u00edkov\u00e9ho odlitku<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ujist\u011bte se, \u017ee se jedn\u00e1 o hlin\u00edkov\u00fd odlitek, nikoli o ocel nebo jin\u00fd kov.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Clean_the_Surface_in_a_Correct_Way\"><\/span><strong><em>Krok 2: Spr\u00e1vn\u00e9 \u010di\u0161t\u011bn\u00ed povrchu<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nejd\u016fle\u017eit\u011bj\u0161\u00edm krokem je \u010di\u0161t\u011bn\u00ed.<\/p>\n<p>Proces \u010di\u0161t\u011bn\u00ed:<\/p>\n<ul>\n<li>Aceton odstran\u00ed olej a mastnotu.<\/li>\n<li>Kart\u00e1\u010d z nerezov\u00e9 oceli k odstran\u011bn\u00ed vrstvy oxidu.<\/li>\n<li>Vy\u010dist\u011bte ob\u011b strany trhliny.<\/li>\n<\/ul>\n<p>V d\u016fsledku zne\u010di\u0161t\u011bn\u00e9ho povrchu vzniknou slab\u00e9 svary.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_3_Preheating_of_the_Cast_Aluminum\"><\/span><strong><em>Krok 3: P\u0159edeh\u0159\u00e1t\u00ed hlin\u00edkov\u00e9ho odlitku<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159edeh\u0159\u00e1t\u00ed je faktorem, kter\u00fd minimalizuje vznik trhlin.<\/p>\n<p>Jak p\u0159edeh\u0159\u00e1t:<\/p>\n<ul>\n<li>Zah\u0159ejte d\u00edl na 150-200 \u00b0C (300-400 \u00b0F).<\/li>\n<li>Pou\u017eit\u00ed ho\u0159\u00e1ku nebo trouby<\/li>\n<li>Zah\u0159\u00edvejte rovnom\u011brn\u011b, ne na jednom m\u00edst\u011b<\/li>\n<\/ul>\n<p>P\u0159edeh\u0159evem se zvy\u0161uje prova\u0159itelnost a pevnost svaru.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_4_Select_the_Right_Filler_Rod\"><\/span><strong><em>Krok 4: V\u00fdb\u011br spr\u00e1vn\u00e9 v\u00fdpl\u0148ov\u00e9 ty\u010de<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u011b\u017en\u00e9 hlin\u00edkov\u00e9 plnic\u00ed ty\u010de:<\/p>\n<ul>\n<li>ER4043 (nejvhodn\u011bj\u0161\u00ed pro hlin\u00edkov\u00e9 odlitky)<\/li>\n<li>ER5356 (siln\u011bj\u0161\u00ed, ale h\u016f\u0159e pou\u017eiteln\u00fd)<\/li>\n<\/ul>\n<p><strong>ER4043 se doporu\u010duje, proto\u017ee:<\/strong><\/p>\n<ul>\n<li>Plynul\u00fd tok<\/li>\n<li>Sni\u017euje prask\u00e1n\u00ed<\/li>\n<li>K\u0159em\u00edkov\u00fd obsah s n\u00edm dob\u0159e pracuje.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Step_5_Start_Welding_Slowly\"><\/span><strong><em>Krok 5: Za\u010dn\u011bte pomalu sva\u0159ovat<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nyn\u00ed za\u010dn\u011bte sva\u0159ovat.<\/p>\n<p>Sva\u0159ovac\u00ed tipy:<\/p>\n<ul>\n<li>Udr\u017eujte pohyb rukou v klidu.<\/li>\n<li>Vyhn\u011bte se p\u0159eh\u0159\u00e1t\u00ed<\/li>\n<li>Sva\u0159ov\u00e1n\u00ed v kr\u00e1tk\u00fdch \u00fasec\u00edch<\/li>\n<li>Mezi jednotliv\u00fdmi pr\u016fchody nechte kov vychladnout.<\/li>\n<\/ul>\n<p>Lep\u0161\u00ed kontrolu zaji\u0161\u0165uje pomal\u00e9 sva\u0159ov\u00e1n\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_6_Allow_Proper_Cooling\"><\/span><strong><em>Krok 6: Umo\u017en\u011bte spr\u00e1vn\u00e9 chlazen\u00ed<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Po sva\u0159ov\u00e1n\u00ed:<\/p>\n<ul>\n<li>Nechte d\u00edl p\u0159irozen\u011b vychladnout<\/li>\n<li>Voda, fouk\u00e1n\u00ed vzduchu se nesm\u00ed pou\u017e\u00edvat.<\/li>\n<li>Rychl\u00e9 ochlazen\u00ed m\u016f\u017ee v\u00e9st k prasklin\u00e1m.<\/li>\n<\/ul>\n<p>Chlazen\u00ed je t\u0159eba prov\u00e1d\u011bt s velkou trp\u011blivost\u00ed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Typical_Issues_of_Welding_Cast_Aluminum\"><\/span><strong>Typick\u00e9 probl\u00e9my p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/4-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-20475 size-large aligncenter\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/4-1-1024x574.jpg\" alt=\"Lze sva\u0159ovat hlin\u00edkov\u00e9 odlitky? \" width=\"1024\" height=\"574\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/4-1-980x549.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/4-1-480x269.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>B\u011bhem <a href=\"https:\/\/www.thediecasting.com\/how-to-weld-aluminum\/\" target=\"_blank\" rel=\"noopener\"><strong>sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/strong><\/a>, m\u016f\u017ee vzniknout \u0159ada probl\u00e9m\u016f, pokud nen\u00ed v\u011bnov\u00e1na pot\u0159ebn\u00e1 p\u00e9\u010de. P\u00f3rovitost svaru obvykle vznik\u00e1 v d\u016fsledku \u0161patn\u00e9ho \u010di\u0161t\u011bn\u00ed nebo zachycen\u00fdch plyn\u016f, kter\u00e9 zanech\u00e1vaj\u00ed drobn\u00e9 otvory, je\u017e oslabuj\u00ed spoj. Dal\u0161\u00edm probl\u00e9mem jsou praskliny, kter\u00e9 vznikaj\u00ed po sva\u0159ov\u00e1n\u00ed, a ty jsou obvykle zp\u016fsobeny rychl\u00fdm ochlazen\u00edm, nerovnom\u011brn\u00fdm oh\u0159evem nebo pou\u017eit\u00edm nevhodn\u00e9 p\u0159\u00eddavn\u00e9 ty\u010de.<\/p>\n<p>Tak\u00e9 nedostate\u010dn\u00e9 zah\u0159\u00e1t\u00ed, \u0161patn\u00fd pr\u016fnik nebo technika mohou v\u00e9st ke slab\u00e9mu svarov\u00e9mu spoji, co\u017e vede k men\u0161\u00ed trvanlivosti opravy. To jsou n\u011bkter\u00e9 z probl\u00e9m\u016f, kter\u00fdm je t\u0159eba porozum\u011bt, a p\u0159ijmout opat\u0159en\u00ed, kter\u00e1 zabr\u00e1n\u00ed selh\u00e1n\u00ed svaru, co\u017e zahrnuje \u010di\u0161t\u011bn\u00ed kovu, p\u0159edeh\u0159ev a pou\u017eit\u00ed spr\u00e1vn\u00e9 p\u0159\u00eddavn\u00e9 ty\u010de.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Mistakes_to_Avoid\"><\/span><strong>Nej\u010dast\u011bj\u0161\u00ed chyby, kter\u00fdch se vyvarujte<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>P\u0159esko\u010den\u00ed procesu \u010di\u0161t\u011bn\u00ed<\/li>\n<li>Nep\u0159edeh\u0159\u00e1t\u00ed kovu<\/li>\n<li>Pou\u017eit\u00ed nespr\u00e1vn\u00e9 plnic\u00ed ty\u010de<\/li>\n<li>P\u0159\u00edli\u0161n\u00e9 zah\u0159\u00edv\u00e1n\u00ed<\/li>\n<li>P\u0159\u00edli\u0161 rychl\u00e9 sva\u0159ov\u00e1n\u00ed<\/li>\n<\/ul>\n<p>P\u0159edch\u00e1zen\u00ed t\u011bmto chyb\u00e1m vede k dobr\u00fdm a dlouhotrvaj\u00edc\u00edm svar\u016fm.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Welding_Cast_Aluminum_Safety_Tips\"><\/span><strong>Bezpe\u010dnostn\u00ed tipy pro sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bezpe\u010dnost je velmi d\u016fle\u017eit\u00e1.<\/p>\n<p>Dodr\u017eujte tato bezpe\u010dnostn\u00ed pravidla:<\/p>\n<ul>\n<li>Pou\u017eijte sv\u00e1\u0159e\u010dskou p\u0159ilbu a rukavice.<\/li>\n<li>Pou\u017e\u00edvejte spr\u00e1vn\u00e9 v\u011btr\u00e1n\u00ed<\/li>\n<li>Nedot\u00fdkejte se hork\u00e9ho kovu<\/li>\n<li>Udr\u017eujte ho\u0159lav\u00e9 p\u0159edm\u011bty mimo dosah<\/li>\n<\/ul>\n<p>Bezpe\u010dnost zaru\u010duje sva\u0159ov\u00e1n\u00ed bez zran\u011bn\u00ed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_to_avoid_when_Welding_cast_aluminum\"><\/span><strong>\u010ceho se vyvarovat p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nesva\u0159ujte, pokud:<\/p>\n<ul>\n<li>D\u00edl je p\u0159\u00edli\u0161 tenk\u00fd<\/li>\n<li>\u0160kody jsou velmi velk\u00e9<\/li>\n<li>Hlin\u00edk je velmi k\u0159ehk\u00fd.<\/li>\n<\/ul>\n<p>Oprava je v tomto p\u0159\u00edpad\u011b v\u00fdm\u011bny hor\u0161\u00ed ne\u017e v\u00fdm\u011bna.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Comparison_of_Cast_Aluminum_and_Regular_Aluminum\"><\/span><strong>Srovn\u00e1n\u00ed lit\u00e9ho hlin\u00edku a b\u011b\u017en\u00e9ho hlin\u00edku<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/6-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-20477 size-large aligncenter\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/6-1-1024x574.jpg\" alt=\"Lze sva\u0159ovat hlin\u00edkov\u00e9 odlitky? \" width=\"1024\" height=\"574\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/6-1-980x549.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/6-1-480x269.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>Tato znalost rozd\u00edl\u016f je u\u017eite\u010dn\u00e1 pro zlep\u0161en\u00ed v\u00fdsledk\u016f sva\u0159ovac\u00edho procesu.<\/p>\n<p><strong>Hlin\u00edkov\u00fd odlitek:<\/strong><\/p>\n<ul>\n<li>K\u0159eh\u010d\u00ed<\/li>\n<li>Obsahuje ne\u010distoty<\/li>\n<li>Obt\u00ed\u017en\u011bj\u0161\u00ed sva\u0159ov\u00e1n\u00ed<\/li>\n<li>Pou\u017e\u00edv\u00e1 se na bloky motor\u016f a strojn\u00ed za\u0159\u00edzen\u00ed.<\/li>\n<\/ul>\n<p><strong>B\u011b\u017en\u00fd hlin\u00edk:<\/strong><\/p>\n<ul>\n<li>Flexibiln\u011bj\u0161\u00ed<\/li>\n<li>\u010cist\u0161\u00ed slo\u017een\u00ed<\/li>\n<li>Snadn\u011bj\u0161\u00ed sva\u0159ov\u00e1n\u00ed<\/li>\n<li>Pou\u017e\u00edv\u00e1 se v plech\u00e1ch a r\u00e1mech<\/li>\n<\/ul>\n<p>Vzhledem k t\u011bmto rozd\u00edl\u016fm vy\u017eaduje hlin\u00edkov\u00fd odlitek p\u0159i sva\u0159ov\u00e1n\u00ed zv\u00fd\u0161enou pozornost.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Uses_of_Welded_Cast_Aluminum\"><\/span><strong>B\u011b\u017en\u00e9 pou\u017eit\u00ed sva\u0159ovan\u00e9ho lit\u00e9ho hlin\u00edku<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sva\u0159ovan\u00fd hlin\u00edkov\u00fd odlitek se obvykle pou\u017e\u00edv\u00e1 v:<\/p>\n<ul>\n<li>Bloky a hlavy motor\u016f.<\/li>\n<li>Automobilov\u00e9 d\u00edly<\/li>\n<li>Pr\u016fmyslov\u00e9 stroje<\/li>\n<li>Hlin\u00edkov\u00fd n\u00e1bytek<\/li>\n<li>Opravy kuchy\u0148sk\u00e9ho n\u00e1dob\u00ed<\/li>\n<li>Zem\u011bd\u011blsk\u00e1 technika<\/li>\n<\/ul>\n<p>Takov\u00e9 opravy \u0161et\u0159\u00ed \u010das i pen\u00edze oproti v\u00fdm\u011bn\u011b d\u00edl\u016f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Welding_Cast_Aluminum_Price\"><\/span><strong>Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f Cena<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Cena se li\u0161\u00ed v z\u00e1vislosti na n\u011bkolika faktorech:<\/p>\n<p><strong>Faktory ovliv\u0148uj\u00edc\u00ed n\u00e1klady:<\/strong><\/p>\n<ul>\n<li>Velikost d\u00edlu<\/li>\n<li>Tlou\u0161\u0165ka hlin\u00edku<\/li>\n<li>Typ praskliny nebo po\u0161kozen\u00ed<\/li>\n<li>Pou\u017eit\u00e1 metoda sva\u0159ov\u00e1n\u00ed<\/li>\n<\/ul>\n<p><strong>Pr\u016fm\u011brn\u00e9 n\u00e1klady:<\/strong><\/p>\n<ul>\n<li><strong>Drobn\u00e9 opravy:<\/strong> n\u00edzk\u00e9 n\u00e1klady<\/li>\n<li><strong>Opravy velk\u00e9ho rozsahu nebo slo\u017eit\u00e9 povahy:<\/strong> dra\u017e\u0161\u00ed.<\/li>\n<\/ul>\n<p>Kvalita a bezpe\u010dnost jsou zaru\u010deny p\u0159i profesion\u00e1ln\u00edm sva\u0159ov\u00e1n\u00ed, kter\u00e9 m\u016f\u017ee b\u00fdt n\u00e1kladn\u00e9.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Suggestions_To_Enhance_the_Work_of_Cast_Aluminum_Welding\"><\/span><strong>N\u00e1vrhy na zlep\u0161en\u00ed pr\u00e1ce p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/3-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-20474 size-large aligncenter\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/3-1-1024x574.jpg\" alt=\"Lze sva\u0159ovat hlin\u00edkov\u00e9 odlitky? \" width=\"1024\" height=\"574\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/3-1-980x549.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2026\/01\/3-1-480x269.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>Hypermarkety jsou efektivn\u011bj\u0161\u00ed, pokud se \u0159\u00edd\u00ed t\u011bmito tipy odborn\u00edk\u016f:<\/p>\n<ul>\n<li>Kov mus\u00ed b\u00fdt v\u017edy d\u016fkladn\u011b vy\u010di\u0161t\u011bn.<\/li>\n<li>Pomal\u00fd a postupn\u00fd sva\u0159ovac\u00ed pohyb.<\/li>\n<li>Udr\u017eujte oblast svaru suchou.<\/li>\n<li>Hlin\u00edkov\u00fd \u0161rot se nejprve nejl\u00e9pe praktikuje.<\/li>\n<li>Zabra\u0148te p\u0159eh\u0159\u00e1t\u00ed kovu<\/li>\n<\/ul>\n<p>Tyto tipy jsou u\u017eite\u010dn\u00e9 pro vytvo\u0159en\u00ed \u010dist\u00fdch a pevn\u00fdch svar\u016f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_Good_Cast_Aluminum_Weld_Signs\"><\/span><strong>Dobr\u00e9 lit\u00e9 hlin\u00edkov\u00e9 sva\u0159ovac\u00ed znaky.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Dobr\u00fd svar m\u00e1:<\/p>\n<ul>\n<li>Hladk\u00fd povrch<\/li>\n<li>\u017d\u00e1dn\u00e9 viditeln\u00e9 praskliny<\/li>\n<li>Minim\u00e1ln\u00ed p\u00f3rovitost<\/li>\n<li>Pevn\u00e9 kloubn\u00ed spojen\u00ed<\/li>\n<\/ul>\n<p>Pokud je vzhled svaru \u010dist\u00fd a pevn\u00fd, je svar zpravidla \u00fasp\u011b\u0161n\u00fd.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_hire_a_Professional_Welder\"><\/span><strong>Jak najmout profesion\u00e1ln\u00edho sv\u00e1\u0159e\u010de?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Profesion\u00e1l by m\u011bl b\u00fdt zam\u011bstn\u00e1n, proto\u017ee:<\/p>\n<ul>\n<li>D\u00edl je drah\u00fd<\/li>\n<li>Je d\u016fle\u017eit\u00e9, aby byla konstruk\u010dn\u011b pevn\u00e1.<\/li>\n<li>Trhlina je velmi velk\u00e1<\/li>\n<li>Nem\u00e1te zku\u0161enosti se sva\u0159ov\u00e1n\u00edm<\/li>\n<\/ul>\n<p>Sva\u0159ovac\u00ed n\u00e1stroje a zku\u0161enosti profesion\u00e1ln\u00edch sv\u00e1\u0159e\u010d\u016f pokro\u010dily.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cast_Aluminum_Welding_Benefits_to_the_Environment\"><\/span><strong>P\u0159\u00ednosy sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f pro \u017eivotn\u00ed prost\u0159ed\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>V\u00fdm\u011bnu hlin\u00edkov\u00e9ho odlitku lze sp\u00ed\u0161e opravit ne\u017e vym\u011bnit:<\/p>\n<ul>\n<li>Sni\u017euje mno\u017estv\u00ed kovov\u00e9ho odpadu<\/li>\n<li>\u00daspora energie<\/li>\n<li>Chr\u00e1n\u00ed \u017eivotn\u00ed prost\u0159ed\u00ed<\/li>\n<\/ul>\n<p>\u0158e\u0161en\u00edm opravy je ekologick\u00e9 sva\u0159ov\u00e1n\u00ed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"End_Notes\"><\/span><strong>Pozn\u00e1mky na z\u00e1v\u011br<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ano, hlin\u00edkov\u00e9 odlitky lze sva\u0159ovat, i kdy\u017e je t\u0159eba prov\u00e9st ur\u010ditou p\u0159\u00edpravu, pou\u017e\u00edt spr\u00e1vn\u00e9 n\u00e1stroje a pe\u010dlivou techniku, aby bylo dosa\u017eeno dobr\u00fdch v\u00fdsledk\u016f. Sva\u0159ov\u00e1n\u00ed metodou TIG je nej\u00fa\u010dinn\u011bj\u0161\u00ed, proto\u017ee dok\u00e1\u017ee kontrolovat teplo a \u010distotu sva\u0159ov\u00e1n\u00ed, zat\u00edmco sva\u0159ov\u00e1n\u00ed metodou MIG si porad\u00ed s t\u011b\u017e\u0161\u00edmi d\u00edly. Dobr\u00e9 o\u010di\u0161t\u011bn\u00ed kovu a zah\u0159\u00e1t\u00ed p\u0159edem p\u0159ed sva\u0159ov\u00e1n\u00edm je nezbytn\u00e9, aby se zabr\u00e1nilo vzniku trhlin a p\u00f3rovitosti. D\u00edky postupn\u00fdm krok\u016fm, jako je pou\u017eit\u00ed spr\u00e1vn\u00e9 p\u0159\u00eddavn\u00e9 ty\u010de a poskytnut\u00ed \u010dasu na vychladnut\u00ed, m\u016f\u017eete p\u0159ij\u00edt k siln\u00e9mu, stabiln\u00edmu a trvanliv\u00e9mu svaru, kter\u00fd v\u00e1m m\u016f\u017ee umo\u017enit praktickou a efektivn\u00ed opravu hlin\u00edkov\u00fdch odlitk\u016f.<\/p>\n<p>Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f m\u016f\u017ee b\u00fdt mnohem \u00fasp\u011b\u0161n\u011bj\u0161\u00ed a snaz\u0161\u00ed pouze d\u00edky praxi a trp\u011blivosti.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>\u010casto kladen\u00e9 ot\u00e1zky<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Can_cast_aluminum_be_welded\"><\/span><strong><em>Lze sva\u0159ovat hlin\u00edkov\u00e9 odlitky?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f je mo\u017en\u00e9, ale je n\u00e1ro\u010dn\u011bj\u0161\u00ed ne\u017e u b\u011b\u017en\u00e9ho hlin\u00edku, proto\u017ee je k\u0159ehk\u00fd a m\u00e1 vzduchov\u00e9 p\u00f3ry. Lit\u00e9 hlin\u00edkov\u00e9 d\u00edly lze \u00fasp\u011b\u0161n\u011b opravit p\u0159i pokro\u010dil\u00e9 p\u0159\u00edprav\u011b, p\u0159edeh\u0159evu a spr\u00e1vn\u00e9m zp\u016fsobu sva\u0159ov\u00e1n\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Which_is_the_most_suitable_way_of_welding_cast_aluminum\"><\/span><strong><em>Kter\u00fd zp\u016fsob sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f je nejvhodn\u011bj\u0161\u00ed?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hlin\u00edkov\u00e9 odlitky se nejl\u00e9pe sva\u0159uj\u00ed metodou TIG, proto\u017ee tato technika umo\u017e\u0148uje lep\u0161\u00ed \u0159\u00edzen\u00ed tepla, \u010dist\u00e9 svary a pevn\u011bj\u0161\u00ed spoje. Ke sva\u0159ov\u00e1n\u00ed siln\u011bj\u0161\u00edch sou\u010d\u00e1st\u00ed lze pou\u017e\u00edt tak\u00e9 metodu MIG, ale sva\u0159ov\u00e1n\u00ed ty\u010d\u00ed se nedoporu\u010duje.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_preheating_of_cast_aluminum_before_welding_required\"><\/span><strong><em>Je nutn\u00e9 p\u0159edeh\u0159\u00edv\u00e1n\u00ed hlin\u00edkov\u00e9ho odlitku p\u0159ed sva\u0159ov\u00e1n\u00edm?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ano, p\u0159edeh\u0159\u00e1t\u00ed se d\u016frazn\u011b doporu\u010duje. Sni\u017euje se t\u00edm pravd\u011bpodobnost vzniku trhlin a sv\u00e1r je rovnom\u011brn\u011b prova\u0159en\u00fd. B\u011b\u017en\u00e1 teplota p\u0159edeh\u0159evu se pohybuje v rozmez\u00ed 300-400 stup\u0148\u016f F (150-200 stup\u0148\u016f C).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_most_suitable_filler_rod_to_use_to_weld_cast_aluminum\"><\/span><strong><em>Jak\u00e1 je nejvhodn\u011bj\u0161\u00ed p\u0159\u00eddavn\u00e1 ty\u010d pro sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nejpou\u017e\u00edvan\u011bj\u0161\u00ed plnic\u00ed ty\u010d pro hlin\u00edkov\u00e9 odlitky je Er4043. Snadno te\u010de, m\u00e9n\u011b prask\u00e1 a lze ji pou\u017e\u00edt i u v\u011bt\u0161iny slitin lit\u00e9ho hlin\u00edku. Lze pou\u017e\u00edt i ER5356, pokud je pot\u0159eba v\u00edce zru\u010dnosti k vytvo\u0159en\u00ed lep\u0161\u00edch svar\u016f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Are_novices_capable_of_welding_cast_aluminum\"><\/span><strong><em>Jsou za\u010d\u00e1te\u010dn\u00edci schopni sva\u0159ovat hlin\u00edkov\u00e9 odlitky?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f nemus\u00ed vynechat ani za\u010d\u00e1te\u010dn\u00edci a vy\u017eaduje \u010das a zkou\u0161en\u00ed. Doporu\u010duje se za\u010d\u00edt s drobn\u00fdmi opravami nebo hlin\u00edkov\u00fdm \u0161rotem a pak p\u0159ej\u00edt ke kritick\u00fdm kousk\u016fm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_are_some_issues_in_welding_cast_aluminum\"><\/span><strong><em>Jak\u00e9 jsou probl\u00e9my p\u0159i sva\u0159ov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>P\u00f3rovitost:<\/strong> plynov\u00e9 bubliny, kter\u00e9 byly zachyceny ve svaru.<\/li>\n<li><strong>Chlazen\u00ed nebo p\u0159eh\u0159\u00edv\u00e1n\u00ed:<\/strong> K prask\u00e1n\u00ed doch\u00e1z\u00ed v d\u016fsledku rychl\u00e9ho ochlazen\u00ed nebo p\u0159eh\u0159\u00e1t\u00ed.<\/li>\n<li><strong>Slab\u00e9 svarov\u00e9 spoje:<\/strong> D\u016fvodem je nespr\u00e1vn\u00e9 \u010di\u0161t\u011bn\u00ed nebo nespr\u00e1vn\u00e1 plnic\u00ed ty\u010d.<\/li>\n<\/ul>\n<p>T\u011bmto probl\u00e9m\u016fm lze p\u0159edch\u00e1zet vhodn\u00fdm \u010di\u0161t\u011bn\u00edm, p\u0159edeh\u0159\u00edv\u00e1n\u00edm a sva\u0159ov\u00e1n\u00edm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_it_possible_to_repair_every_crack_in_cast_aluminum\"><\/span><strong><em>Je mo\u017en\u00e9 opravit ka\u017edou prasklinu v hlin\u00edkov\u00e9m odlitku?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Mal\u00e9 a st\u0159edn\u00ed praskliny jsou obvykle opraviteln\u00e9. Extr\u00e9mn\u011b velk\u00e9 trhliny, velmi tenk\u00e9 nebo velmi po\u0161kozen\u00e9 \u00faseky je v\u0161ak mo\u017en\u00e9 sp\u00ed\u0161e vym\u011bnit ne\u017e sva\u0159it.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_can_I_do_to_improve_my_welds\"><\/span><strong><em>Co mohu ud\u011blat pro zlep\u0161en\u00ed sv\u00fdch svar\u016f?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Ot\u0159ete povrch.<\/li>\n<li>P\u0159edeh\u0159ejte hlin\u00edk<\/li>\n<li>Pou\u017eijte spr\u00e1vnou plnic\u00ed ty\u010d<\/li>\n<li>Pomalu, krok za krokem, sva\u0159uje strat\u00e9g.<\/li>\n<li>Umo\u017en\u011bte p\u0159irozen\u00e9 ochlazen\u00ed sva\u0159ov\u00e1n\u00ed.<\/li>\n<\/ul>\n<p>Je obt\u00ed\u017en\u011bj\u0161\u00ed naj\u00edt sv\u00e1\u0159e\u010de, kter\u00fd by dok\u00e1zal vytvo\u0159it pevn\u011bj\u0161\u00ed a odoln\u011bj\u0161\u00ed svary podle t\u011bchto krok\u016f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_do_I_know_if_my_weld_is_good\"><\/span><strong><em>Jak zjist\u00edm, zda je m\u016fj svar dobr\u00fd?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Dobr\u00fd svar by m\u011bl m\u00edt:<\/p>\n<ul>\n<li>Na povrchu nejsou \u017e\u00e1dn\u00e9 praskliny.<\/li>\n<li>Dobr\u00e9 spojen\u00ed se z\u00e1kladn\u00edm kovem.<\/li>\n<li>Minim\u00e1ln\u00ed p\u00f3rovitost<\/li>\n<li>Kor\u00e1lky i bez p\u0159eh\u0159\u00e1t\u00ed.<\/li>\n<\/ul>\n<p>Pokud je vzhled svaru \u010dist\u00fd a pevn\u00fd, je svar zpravidla \u00fasp\u011b\u0161n\u00fd.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"When_is_it_time_to_employ_the_professional_welder\"><\/span><strong><em>Kdy je \u010das zam\u011bstnat profesion\u00e1ln\u00edho sv\u00e1\u0159e\u010de?<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Najm\u011bte si profesion\u00e1la, pokud:<\/p>\n<ul>\n<li>Jedn\u00e1 se o velmi n\u00e1kladnou nebo \u017eivotn\u011b d\u016fle\u017eitou sou\u010d\u00e1st.<\/li>\n<li>Trhliny jsou velk\u00e9 nebo hlubok\u00e9<\/li>\n<li>Nem\u00e1te spr\u00e1vn\u00e9 vybaven\u00ed ani zku\u0161enosti.<\/li>\n<li>Mus\u00ed m\u00edt konstruk\u010dn\u00ed pevnost.<\/li>\n<\/ul>\n<p>Odborn\u00edci maj\u00ed dovednosti a materi\u00e1ly, kter\u00e9 umo\u017e\u0148uj\u00ed prov\u00e9st bezpe\u010dn\u00e9 a robustn\u00ed opravy.<\/p>","protected":false},"excerpt":{"rendered":"<p>The question people tend to raise is: Can you weld cast aluminum? The answer to this is yes, cast aluminum can be welded, but not easy. Cast aluminum is not similar to normal aluminum, and it requires special preparation, appropriate welding techniques, and skills. Cast aluminum is common in engine components, cookware, furniture, machines, and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":20479,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[1193,1200,1195,1199,1196,1198,1197,1194],"class_list":["post-20482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aluminium-alloy-castings","tag-can-you-weld-cast-aluminum-at-home","tag-can-you-weld-cast-aluminum-engine-block","tag-can-you-weld-cast-aluminum-with-a-spool-gun","tag-can-you-weld-cast-aluminum-with-flux-core","tag-cast-aluminum-welding-near-me","tag-how-to-fix-cast-aluminum-without-welding","tag-jb-weld-cast-aluminum","tag-welding-cast-aluminum-mig"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/20482","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/comments?post=20482"}],"version-history":[{"count":1,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/20482\/revisions"}],"predecessor-version":[{"id":20483,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/20482\/revisions\/20483"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media\/20479"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media?parent=20482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/categories?post=20482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/tags?post=20482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}