{"id":18212,"date":"2025-03-21T17:59:25","date_gmt":"2025-03-21T17:59:25","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=18212"},"modified":"2025-03-21T18:48:19","modified_gmt":"2025-03-21T18:48:19","slug":"vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/","title":{"rendered":"Slitina Zamak 5: Vysv\u011btlen\u00ed slo\u017een\u00ed, vlastnost\u00ed, pou\u017eit\u00ed a v\u00fdhod"},"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-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#_Zamak_5_is_part_of_the_zinc_alloy_category_Zamak_5_is_a_zinc_alloy_with_35-43_aluminum_003-008_magnesium_and_075-125_copper_It_has_a_tensile_strength_of_330_MPa_density_of_67_gcm%C2%B3_and_melting_point_of_380-385%C2%B0C_It_is_used_for_die-casting_high-strength_parts_in_automotive_aerospace_and_consumer_goods\" >\u00a0Zamak 5 pat\u0159\u00ed do kategorie slitin zinku. Zamak 5 je slitina zinku s obsahem 3,5-4,3% hlin\u00edku, 0,03-0,08% ho\u0159\u010d\u00edku a 0,75-1,25% m\u011bdi. M\u00e1 pevnost v tahu 330 MPa, hustotu 6,7 g\/cm\u00b3 a teplotu t\u00e1n\u00ed 380-385 \u00b0C. Pou\u017e\u00edv\u00e1 se pro tlakov\u00e9 lit\u00ed vysoce pevn\u00fdch d\u00edl\u016f v automobilov\u00e9m a leteck\u00e9m pr\u016fmyslu a ve spot\u0159ebn\u00edm zbo\u017e\u00ed.<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Composition_and_Properties_of_Zamak_5\" >Slo\u017een\u00ed a vlastnosti zamaku 5<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Chemical_Composition_of_Zamak_5\" >Chemick\u00e9 slo\u017een\u00ed p\u0159\u00edpravku Zamak 5<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Zinc_96-98\" >Zinek (96-98%):<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Aluminum_35-43\" >Hlin\u00edk (3,5-4,3%):<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Magnesium_003-008\" >Ho\u0159\u010d\u00edk (0,03-0,08%):<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Copper_075-125\" >M\u011b\u010f (0,75-1,25%):<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Physical_Properties_of_Zamak_5\" >Fyzik\u00e1ln\u00ed vlastnosti p\u0159\u00edpravku Zamak 5<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Density\" >Hustota:<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Melting_Point\" >Bod t\u00e1n\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Tensile_Strength_Yield_Strength_Elongation\" >Pevnost v tahu, mez kluzu, prodlou\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Mechanical_Properties_of_Zamak_5\" >Mechanick\u00e9 vlastnosti materi\u00e1lu Zamak 5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Hardness\" >Tvrdost:<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Impact_Resistance\" >Odolnost proti n\u00e1razu:<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Fatigue_Strength\" >\u00danavov\u00e1 pevnost:<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Advantages_of_Zamak_5_Alloy\" >V\u00fdhody slitiny Zamak 5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#High_Strength-to-Weight_Ratio\" >Vysok\u00fd pom\u011br pevnosti k hmotnosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Good_Corrosion_Resistance\" >Dobr\u00e1 odolnost proti korozi<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Excellent_Castability\" >Vynikaj\u00edc\u00ed odl\u00e9vatelnost<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#High_Ductility\" >Vysok\u00e1 ta\u017enost<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Applications_of_Zamak_5\" >Pou\u017eit\u00ed p\u0159\u00edpravku Zamak 5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Automotive_Industry\" >Automobilov\u00fd pr\u016fmysl<\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Aerospace_Industry\" >Leteck\u00fd a kosmick\u00fd pr\u016fmysl<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Construction_Industry\" >Stavebnictv\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Consumer_Goods_Industry\" >Pr\u016fmysl spot\u0159ebn\u00edho zbo\u017e\u00ed<\/a><\/li><\/ul><\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Difference_Between_Zamak_5_and_Zamak_3\" >Rozd\u00edl mezi Zamakem 5 a Zamakem 3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#1_Comparison_of_Chemical_Composition\" >1. Srovn\u00e1n\u00ed chemick\u00e9ho slo\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#2_Comparison_of_Mechanical_Composition\" >2. Srovn\u00e1n\u00ed mechanick\u00e9ho slo\u017een\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Comparison_of_Applications\" >Srovn\u00e1n\u00ed aplikac\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Selection_Factors\" >V\u00fdb\u011brov\u00e9 faktory:<\/a><\/li><\/ul><\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Manufacturing_Process_of_Zamak_5\" >V\u00fdrobn\u00ed proces p\u0159\u00edpravku Zamak 5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Die_Casting_Process\" >Proces tlakov\u00e9ho lit\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Process_Parameters\" >Parametry procesu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/aludiecasting.com\/cs\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Machining_and_Finishing\" >Obr\u00e1b\u011bn\u00ed a dokon\u010dovac\u00ed pr\u00e1ce<\/a><\/li><\/ul><\/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\/vlastnosti-slozeni-slitiny-zamak-5-pouziti-a-vyhody\/#Conclusion\" >Z\u00e1v\u011br:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"_Zamak_5_is_part_of_the_zinc_alloy_category_Zamak_5_is_a_zinc_alloy_with_35-43_aluminum_003-008_magnesium_and_075-125_copper_It_has_a_tensile_strength_of_330_MPa_density_of_67_gcm%C2%B3_and_melting_point_of_380-385%C2%B0C_It_is_used_for_die-casting_high-strength_parts_in_automotive_aerospace_and_consumer_goods\"><\/span>\u00a0<span style=\"color: #666666;font-size: 14px\">Zamak 5 pat\u0159\u00ed do kategorie slitin zinku. Zamak 5 je slitina zinku s obsahem 3,5-4,3% hlin\u00edku, 0,03-0,08% ho\u0159\u010d\u00edku a 0,75-1,25% m\u011bdi. M\u00e1 pevnost v tahu 330 MPa, hustotu 6,7 g\/cm\u00b3 a teplotu t\u00e1n\u00ed 380-385 \u00b0C. Pou\u017e\u00edv\u00e1 se pro tlakov\u00e9 lit\u00ed vysoce pevn\u00fdch d\u00edl\u016f v automobilov\u00e9m a leteck\u00e9m pr\u016fmyslu a ve spot\u0159ebn\u00edm zbo\u017e\u00ed.<\/span><span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>V tomto \u010dl\u00e1nku se sezn\u00e1m\u00edte s procesem odl\u00e9v\u00e1n\u00ed, fyzik\u00e1ln\u00edmi, mechanick\u00fdmi a chemick\u00fdmi vlastnostmi a jeho hlavn\u00edmi v\u00fdhodami.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Composition_and_Properties_of_Zamak_5\"><\/span>Slo\u017een\u00ed a vlastnosti zamaku 5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Composition_of_Zamak_5\"><\/span>Chemick\u00e9 slo\u017een\u00ed p\u0159\u00edpravku Zamak 5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-alloy.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18213 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-alloy-1024x1024.jpg\" alt=\"Z\u00e1mek 5\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-alloy-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-alloy-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-alloy-480x480.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>Slitina na b\u00e1zi zinku Zamak 5 se skl\u00e1d\u00e1 ze \u010dty\u0159 prvk\u016f. Jedn\u00e1 se o zinek, hlin\u00edk, m\u011b\u010f a ho\u0159\u010d\u00edk. Tyto prvky p\u0159in\u00e1\u0161ej\u00ed v\u00fdznamn\u00e9 zm\u011bny v \u00faloze jej\u00edho v\u00fdkonu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zinc_96-98\"><\/span>Zinek (96-98%):<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Z\u00e1kladem slitiny Zamak je zinek. D\u00edky n\u00edzk\u00fdm bod\u016fm t\u00e1n\u00ed se dob\u0159e hod\u00ed k technik\u00e1m tlakov\u00e9ho lit\u00ed. Vyb\u00edrejte zinek o \u010distot\u011b 99,99%. Je to proto, \u017ee ne\u010distoty ve slitin\u00e1ch ovliv\u0148uj\u00ed mechanick\u00e9 vlastnosti d\u00edl\u016f.<\/p>\n<p>Nap\u0159\u00edklad olovo (nad 0,003%) nebo kadmium (nad 0,002%) mohou oslabit nebo popraskat sou\u010d\u00e1stky. Tak\u00e9 \u010dist\u00fd zinek dob\u0159e odol\u00e1v\u00e1 korozi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Aluminum_35-43\"><\/span>Hlin\u00edk (3,5-4,3%):<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159\u00ednos hlin\u00edku v materi\u00e1lu Zamak 5 spo\u010d\u00edv\u00e1 v jeho zpevn\u011bn\u00ed zjemn\u011bn\u00edm mikrostruktury. B\u011bhem tuhnut\u00ed hlin\u00edk vytv\u00e1\u0159\u00ed intermetalick\u00e9 f\u00e1ze. V d\u016fsledku toho se zjem\u0148uje struktura a pevnost.<\/p>\n<p>Nap\u0159\u00edklad na uveden\u00e9m obr\u00e1zku je vid\u011bt, \u017ee pevn\u00fd roztok bohat\u00fd na zinek tuhne p\u0159i teplot\u011b 381 \u00b0C. F\u00e1ze bohat\u00e1 na Al se mezit\u00edm vytvo\u0159\u00ed p\u0159i teplot\u011b 277 \u00b0C.<\/p>\n<p>F\u00e1ze z\u00e1m\u011brn\u011b ur\u010duje tvrd\u00e9 a tv\u00e1rn\u00e9 oblasti. To proto, \u017ee p\u0159id\u00e1n\u00ed hlin\u00edku pod 3,5% zp\u016fsobuje trhliny nebo p\u0159i p\u0159ekro\u010den\u00ed 4,5% zvy\u0161uje k\u0159ehkost a zvy\u0161uje pravd\u011bpodobnost lomu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Magnesium_003-008\"><\/span>Ho\u0159\u010d\u00edk (0,03-0,08%):<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Obsah ho\u0159\u010d\u00edku v Zamaku p\u011bt blokuje ne\u010distoty na hranic\u00edch zrn. Proto je schopen se vyhnout <a href=\"https:\/\/dl.asminternational.org\/handbooks\/edited-volume\/160\/chapter\/3267094\/Intergranular-Corrosion-Failure-in-Zn-Al-Alloy\" target=\"_blank\" rel=\"noopener\">mezikrystalov\u00e1 koroze<\/a>. D\u00edky jeho p\u0159\u00eddavku je tak\u00e9 tekutost slitiny mnohem lep\u0161\u00ed a p\u0159i odl\u00e9v\u00e1n\u00ed rovnom\u011brn\u011b vypl\u0148uje formu.<\/p>\n<p>Nadm\u011brn\u00e9 mno\u017estv\u00ed ho\u0159\u010d\u00edku nen\u00ed vhodn\u00e9 pro tlakov\u00e9 lit\u00ed v hork\u00e9 komo\u0159e (p\u0159i 385 \u00b0C). V d\u016fsledku jeho oxidace vznikaj\u00ed na povrchu tmav\u00e9 skvrny. Je t\u0159eba jej n\u011bjak\u00fdm zp\u016fsobem velmi p\u0159\u00edsn\u011b kontrolovat b\u011bhem provozu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Copper_075-125\"><\/span>M\u011b\u010f (0,75-1,25%):<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u011b\u010f ve slitin\u011b Zamak 5 posiluje jej\u00ed schopnost. Snese vysok\u00e9 teploty. Konkr\u00e9tn\u011b p\u0159i teplot\u00e1ch kolem 150 \u00b0C. Struktura slitiny se stabilizuje. To tedy zvy\u0161uje jej\u00ed odolnost proti te\u010den\u00ed ve srovn\u00e1n\u00ed se zinkem bez m\u011bdi.<\/p>\n<p>M\u011b\u010f tak\u00e9 p\u0159isp\u00edv\u00e1 k zachov\u00e1n\u00ed mechanick\u00fdch vlastnost\u00ed slitiny. Zpomaluje jej\u00ed st\u00e1rnut\u00ed a vydr\u017e\u00ed v\u00edce ne\u017e 10 let.<\/p>\n<p>Tak\u00e9 nadm\u011brn\u00e9 pou\u017eit\u00ed m\u011bdi nad 1,25% vede ke k\u0159ehkosti a sn\u00ed\u017een\u00e9 mno\u017estv\u00ed zp\u016fsobuje. <strong>prodlou\u017een\u00ed<\/strong> a\u017e 30% naopak.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Physical_Properties_of_Zamak_5\"><\/span>Fyzik\u00e1ln\u00ed vlastnosti p\u0159\u00edpravku Zamak 5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Density\"><\/span>Hustota:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 5 m\u00e1 pevnost v tahu 6,7 g\/cm\u00b3. Jeho hustota ovliv\u0148uje hmotnost, tak\u017ee je 15% leh\u010d\u00ed ne\u017e ocel (7,85 g\/cm\u00b3). Ve srovn\u00e1n\u00ed s hlin\u00edkovou slitinou (2,7 g\/cm\u00b3) je v\u0161ak o 60% t\u011b\u017e\u0161\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Melting_Point\"><\/span>Bod t\u00e1n\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Slitina Zamak 5 m\u00e1 v podstat\u011b ni\u017e\u0161\u00ed body t\u00e1n\u00ed, kter\u00e9 se pohybuj\u00ed mezi 380 \u00b0C a 385 \u00b0C. V d\u016fsledku toho tak\u00e9 spot\u0159ebov\u00e1vaj\u00ed 25% m\u00e9n\u011b energie ne\u017e hlin\u00edkov\u00e9.<\/p>\n<p>Krom\u011b toho obsah Zamaku 5 b\u011bhem procesu lit\u00ed velmi rychle tuhne, a to b\u011bhem 0,8 sekundy. To napom\u00e1h\u00e1 dokon\u010den\u00ed jednoho cyklu p\u0159ibli\u017en\u011b za 20 sekund.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tensile_Strength_Yield_Strength_Elongation\"><\/span>Pevnost v tahu, mez kluzu, prodlou\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/stress-strain-zamak.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18214 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/stress-strain-zamak-1024x1024.jpg\" alt=\"\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/stress-strain-zamak-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/stress-strain-zamak-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/stress-strain-zamak-480x480.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>Pevnost v tahu se u materi\u00e1lu Zamak 5 pohybuje kolem 330 MPa. M\u00e1 tak\u00e9 mez kluzu 220 mpa. Slitina v\u0161ak m\u016f\u017ee b\u00fdt p\u0159ed poru\u0161en\u00edm rozta\u017eiteln\u00e1 a\u017e na 7-10%.<\/p>\n<p>Pevnost v tahu nav\u00edc kles\u00e1 p\u0159i teplot\u00e1ch 150 \u00b0C a vy\u0161\u0161\u00edch. D\u016fvodem je jej\u00ed tepeln\u00e9 m\u011bknut\u00ed nebo mikrostrukturn\u00ed zm\u011bny.<\/p>\n<p>K\u0159ivka nap\u011bt\u00ed a deformace na obr\u00e1zku ukazuje line\u00e1rn\u00ed pru\u017en\u00e9 oblasti. To je p\u0159ibli\u017en\u011b 220 MPa. N\u00e1sleduje tak\u00e9 plastick\u00e1 deformace.<\/p>\n<p>K n\u00e1r\u016fstu pevnosti v tahu kolem 15% doch\u00e1z\u00ed d\u00edky men\u0161\u00ed velikosti zrn (0,02 mm). Blokuje pohyb dislokac\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mechanical_Properties_of_Zamak_5\"><\/span>Mechanick\u00e9 vlastnosti materi\u00e1lu Zamak 5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Hardness\"><\/span>Tvrdost:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u0159\u00edda Zamak 5 m\u00e1 tvrdost 91 hb (tvrdost podle Brinella). K z\u00edsk\u00e1n\u00ed t\u00e9to hodnoty napom\u00e1h\u00e1 stla\u010den\u00ed 10mm ocelov\u00e9 kuli\u010dky silou 295 N. Tento proces trv\u00e1 15 sekund a zanech\u00e1 d\u016flek o velikosti 3,2 mm.<\/p>\n<p>Tvrdost povrchu zabra\u0148uje po\u0161kr\u00e1b\u00e1n\u00ed. D\u00edky tomu je slitina vhodn\u00e1 pro p\u0159edm\u011bty, jako jsou dekorativn\u00ed nebo dve\u0159n\u00ed kliky.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Impact_Resistance\"><\/span>Odolnost proti n\u00e1razu:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Charpyho r\u00e1zov\u00e1 hou\u017eevnatost t\u0159\u00eddy Zamak 5. Ta m\u016f\u017ee b\u00fdt 53 J p\u0159i 20. Ta v\u0161ak p\u0159i sn\u00ed\u017een\u00ed ta\u017enosti na -20 \u00b0C klesne na 35 J.<\/p>\n<p>Hou\u017eevnatost t\u0159\u00eddy je d\u016fle\u017eit\u00e1 v\u017edy, kdy\u017e je t\u0159eba vyr\u00e1b\u011bt d\u00edly, kter\u00e9 jsou vystaveny vibrac\u00edm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fatigue_Strength\"><\/span>\u00danavov\u00e1 pevnost:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Se syst\u00e9mem Zamak 5 m\u016f\u017eete zvl\u00e1dnout cyklick\u00e9 nam\u00e1h\u00e1n\u00ed a\u017e 100 MPa a absolvovat 1 milion cykl\u016f. D\u016fsledkem drsn\u00e9ho povrchu (Ra &gt; 1,6 \u00b5m) nebo ostr\u00fdch hran je v\u0161ak ovlivn\u011bn\u00ed limitu, kter\u00e9 vede k 70 Mpa. V konkurenci neust\u00e1l\u00fdch vibrac\u00ed je zamak5 vhodn\u00fd pro za\u0159\u00edzen\u00ed pra\u010dek.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_Zamak_5_Alloy\"><\/span>V\u00fdhody slitiny Zamak 5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"High_Strength-to-Weight_Ratio\"><\/span>Vysok\u00fd pom\u011br pevnosti k hmotnosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/impact-resistance.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18215 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/impact-resistance-1024x1024.jpg\" alt=\"Zamak 5 odolnost proti n\u00e1razu\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/impact-resistance-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/impact-resistance-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/impact-resistance-480x480.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>Pom\u011br pevnosti k hmotnosti zinkov\u00e9 slitiny hlin\u00edku Zamak 5 je 49 Mpa. M\u00e1 dobrou pevnost v tahu a hustotu. Ta je mnohem vy\u0161\u0161\u00ed (30%) ne\u017e t\u0159\u00edda hlin\u00edku A380 a p\u0159ibli\u017en\u011b 50% leh\u010d\u00ed ne\u017e m\u011b\u010f C93200.<\/p>\n<p>Krom\u011b toho r\u00e1zov\u00e1 pevnost slitiny Zamak 5 53 J p\u0159ekon\u00e1v\u00e1 hlin\u00edk A380 (40 J) a ZA-12 (45 J). To je d\u016fvodem vhodnosti t\u00e9to t\u0159\u00eddy pro v\u00fdrobu leh\u010d\u00edch a vysoce pevn\u00fdch d\u00edl\u016f. To mohou b\u00fdt pouzdra vrta\u010dek a ped\u00e1ly j\u00edzdn\u00edch kol.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Good_Corrosion_Resistance\"><\/span>Dobr\u00e1 odolnost proti korozi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-21T234556.008.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18219 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-21T234556.008.jpg\" alt=\"Zamak 5 odolnost proti korozi\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-21T234556.008.jpg 800w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-2025-03-21T234556.008-480x300.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/a><\/p>\n<p>Vystaven\u00ed vlhk\u00e9mu (85% RH) nebo slan\u00e9mu prost\u0159ed\u00ed m\u016f\u017ee v\u00e9st ke korozi d\u00edl\u016f. Pro tento p\u0159\u00edpad chemick\u00e9 slo\u017een\u00ed (0,08% ho\u0159\u010d\u00edku) zabra\u0148uje vzniku rzi.<\/p>\n<p>Tento kov vydr\u017e\u00ed zkou\u0161ky solnou mlhou po dobu p\u0159ibli\u017en\u011b 500 hodin a p\u0159ekvapiv\u011b vykazuje \u0161ance na erozi povrchu men\u0161\u00ed ne\u017e 0,1 mm.<\/p>\n<p>Tyto druhy obvykle dob\u0159e odol\u00e1vaj\u00ed korozi v lodn\u00edm hardwaru. Dok\u00e1\u017ee nap\u0159\u00edklad zastavit korozi bez n\u00e1t\u011br\u016f u d\u00edl\u016f, jako jsou lodn\u00ed \u00fachyty a z\u00e1v\u011bsy paluby.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Excellent_Castability\"><\/span>Vynikaj\u00edc\u00ed odl\u00e9vatelnost<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 5 vypl\u0148uje formu s plynulost\u00ed 95%. Nab\u00edz\u00ed vynikaj\u00edc\u00ed odl\u00e9vatelnost, je to slitina, kter\u00e1 vytv\u00e1\u0159\u00ed slo\u017eit\u00e9 tvary. Lze z n\u00ed nap\u0159\u00edklad navrhnout hodin\u00e1\u0159sk\u00e9 ozuben\u00e9 kolo p\u0159id\u00e1n\u00edm 0,5 mm zub\u016f nebo z\u00e1v\u011bs notebooku.<\/p>\n<p>Odlitky vyr\u00e1b\u011bj\u00ed d\u00edly s velmi siln\u00fdmi st\u011bnami, tak\u017ee jejich chlazen\u00ed trv\u00e1 krat\u0161\u00ed dobu. To tak\u00e9 sni\u017euje v\u00fdrobn\u00ed n\u00e1klady a\u017e o 40% na rozd\u00edl od mosazi obr\u00e1b\u011bn\u00e9 na CNC stroj\u00edch.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"High_Ductility\"><\/span>Vysok\u00e1 ta\u017enost<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bez poru\u0161en\u00ed je slitina Zamak 5 rozta\u017eiteln\u00e1, p\u0159ibli\u017en\u011b 7-10%. Jej\u00ed vysok\u00e1 ta\u017enost umo\u017e\u0148uje tv\u00e1\u0159en\u00ed za studena. To je pot\u0159eba u instalat\u00e9rsk\u00fdch kolen nebo elektrick\u00fdch konektor\u016f, aby se zabr\u00e1nilo vzniku trhlin. Tento druh obrobitelnosti pom\u00e1h\u00e1 p\u0159i sekund\u00e1rn\u00edch operac\u00edch (z\u00e1vitov\u00e1n\u00ed nebo vrt\u00e1n\u00ed).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_Zamak_5\"><\/span>Pou\u017eit\u00ed p\u0159\u00edpravku Zamak 5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Automotive_Industry\"><\/span>Automobilov\u00fd pr\u016fmysl<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ze slitiny Zamak 5 se vyr\u00e1b\u011bj\u00ed automobilov\u00e9 d\u00edly. Pat\u0159\u00ed sem trysky vst\u0159ikova\u010d\u016f, kryty sn\u00edma\u010d\u016f a dr\u017e\u00e1ky p\u0159evodovek.<\/p>\n<p>Poskytuje rozm\u011brovou stabilitu (toleranci) a\u017e \u00b10,05 mm u d\u00edl\u016f, jako jsou nap\u0159\u00edklad dr\u017e\u00e1ky motoru. Tak, aby dokonale sed\u011bly a konkurovaly nejvy\u0161\u0161\u00edm vibrac\u00edm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Aerospace_Industry\"><\/span>Leteck\u00fd a kosmick\u00fd pr\u016fmysl<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vzhledem k mechanick\u00fdm vlastnostem materi\u00e1lu Zamak 5 vyr\u00e1b\u011bj\u00ed v\u00fdrobci nekritick\u00e9 d\u00edly, jako jsou r\u00e1me\u010dky kabinov\u00fdch sv\u011btel nebo lamely v\u011btrac\u00edch otvor\u016f. Omezuje v\u0161ak jeho pou\u017eit\u00ed p\u0159i teplot\u00e1ch pod 150 \u00b0C.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Construction_Industry\"><\/span>Stavebnictv\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ve stavebnictv\u00ed se Zamak 5 pou\u017e\u00edv\u00e1 k v\u00fdrob\u011b dve\u0159n\u00edch klik, okenn\u00edch z\u00e1mk\u016f nebo dokonce dr\u017e\u00e1k\u016f st\u0159e\u0161n\u00edch krytin. Ty t\u011b\u017e\u00ed z jeho jemn\u00e9ho, le\u0161t\u011bn\u00e9ho vzhledu.<\/p>\n<p>Otisky prst\u016f a dehtov\u00e1n\u00ed mohou po\u0161kodit vzhled rukojet\u00ed vodovodn\u00edch bateri\u00ed, a pr\u00e1v\u011b proto je t\u0159eba pou\u017e\u00edt chromov\u00e9 n\u00e1t\u011bry.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Consumer_Goods_Industry\"><\/span>Pr\u016fmysl spot\u0159ebn\u00edho zbo\u017e\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 5 je t\u0159\u00edda s vysokou pevnost\u00ed. Lze z n\u011bj tvarovat dr\u017e\u00e1ky objektiv\u016f fotoapar\u00e1t\u016f, mix\u00e9ry, z\u00e1kladny a jezdce zip\u016f. M\u00e1 tak\u00e9 dobrou sva\u0159itelnost.<\/p>\n<p>To znamen\u00e1, \u017ee laserov\u00e9 typy mohou pracovat na sou\u010d\u00e1stech, jako jsou \u0161vy v r\u00e1mech chytr\u00fdch telefon\u016f, rychlost\u00ed 200 mm\/min. To je d\u016fvodem ni\u017e\u0161\u00edch n\u00e1klad\u016f na mont\u00e1\u017e.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Difference_Between_Zamak_5_and_Zamak_3\"><\/span>Rozd\u00edl mezi Zamakem 5 a Zamakem 3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Comparison_of_Chemical_Composition\"><\/span>1. Srovn\u00e1n\u00ed chemick\u00e9ho slo\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table width=\"624\">\n<tbody>\n<tr>\n<td width=\"208\">Prvek<\/td>\n<td width=\"208\">Zamak 5<\/td>\n<td width=\"208\">Zamak 3<\/td>\n<\/tr>\n<tr>\n<td width=\"208\">Zinek (Zn)<\/td>\n<td width=\"208\">96-98%<\/td>\n<td width=\"208\">95-97%<\/td>\n<\/tr>\n<tr>\n<td width=\"208\">Hlin\u00edk (Al)<\/td>\n<td width=\"208\">3,5-4,3%<\/td>\n<td width=\"208\">3,5-4,3%<\/td>\n<\/tr>\n<tr>\n<td width=\"208\">Ho\u0159\u010d\u00edk (Mg)<\/td>\n<td width=\"208\">0,03-0,08%<\/td>\n<td width=\"208\">0,02-0,06%<\/td>\n<\/tr>\n<tr>\n<td width=\"208\">M\u011b\u010f (Cu)<\/td>\n<td width=\"208\">0,75-1,25%<\/td>\n<td width=\"208\">&lt;0.1%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Hlavn\u00ed rozd\u00edl spo\u010d\u00edv\u00e1 v tom, \u017ee Zamak 5 obsahuje m\u011b\u010f. Proto zvy\u0161uje odolnost proti vysok\u00fdm teplot\u00e1m.<\/p>\n<p>Zat\u00edmco Zamak 3 m\u00e1 velmi m\u00e1lo m\u011bdi. Je to v\u0161ak kv\u016fli lep\u0161\u00ed odl\u00e9vatelnosti a odolnosti proti korozi v prost\u0159ed\u00ed, jako je vlhk\u00e9.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Comparison_of_Mechanical_Composition\"><\/span>2. Srovn\u00e1n\u00ed mechanick\u00e9ho slo\u017een\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak 5 m\u00e1 lep\u0161\u00ed a vy\u0161\u0161\u00ed pevnost a tvrdost. Hod\u00ed se tedy pro v\u00fdrobu nosn\u00fdch d\u00edl\u016f.<\/p>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-vs-zamak-3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18216 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-vs-zamak-3-1024x1024.jpg\" alt=\"zamak 5 vs zamak 3 tabulka\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-vs-zamak-3-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-vs-zamak-3-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/zamak-5-vs-zamak-3-480x480.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>Naopak u slitiny Zamak 3 je vy\u0161\u0161\u00ed ta\u017enost. Zvl\u00e1d\u00e1 slo\u017eit\u00e9 a obt\u00ed\u017en\u00e9 ohyby.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comparison_of_Applications\"><\/span>Srovn\u00e1n\u00ed aplikac\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zamak je vhodn\u00fd pro d\u00edly, u nich\u017e je nutn\u00e1 rozm\u011brov\u00e1 st\u00e1lost. Jedn\u00e1 se nap\u0159\u00edklad o dr\u017e\u00e1ky automobilov\u00fdch motor\u016f a pr\u016fmyslov\u00e9 ventily.<\/p>\n<p>N\u00edzkon\u00e1kladov\u00e1 slitina pro tlakov\u00e9 lit\u00ed Zamak Three vyr\u00e1b\u00ed d\u00edly s hladk\u00fdm povrchem. Nap\u0159\u00edklad hra\u010dky nebo ozdobn\u00e9 podstavce lamp.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Selection_Factors\"><\/span>V\u00fdb\u011brov\u00e9 faktory:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>S\u00edla vs. n\u00e1klady: Zamak je p\u0159ibli\u017en\u011b o 12% dra\u017e\u0161\u00ed ne\u017e Zamak 3. V n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch v\u0161ak vydr\u017e\u00ed a\u017e 50%.<\/li>\n<li>Odolnost proti korozi: Zamak 3 je odoln\u011bj\u0161\u00ed v\u016f\u010di korozi a je ide\u00e1ln\u00ed pro pob\u0159e\u017en\u00ed baterie. Mezit\u00edm zamak 5 poskytuje dobrou odolnost proti opot\u0159eben\u00ed u d\u00edl\u016f, jako jsou obr\u00e1b\u011bn\u00e1 ozuben\u00e1 kola.<\/li>\n<li>Typ zat\u00ed\u017een\u00ed: P\u0159\u00edtomnost vy\u0161\u0161\u00ed tvrdosti v materi\u00e1lu Zamak 5 mu umo\u017e\u0148uje konkurovat dynamick\u00fdm zat\u00ed\u017een\u00edm (nap\u0159. ozuben\u00e1 kola, sou\u010d\u00e1sti \u010derpadel). Zamak 3 se dob\u0159e hod\u00ed pro statick\u00e9 p\u0159edm\u011bty, jako je zdoben\u00ed oblo\u017een\u00ed.<\/li>\n<li>Povrchov\u00e1 \u00faprava: Zamak 3 m\u00e1 velmi atraktivn\u00ed a le\u0161t\u011bn\u00fd povrch, kter\u00fd odpov\u00edd\u00e1 pot\u0159eb\u00e1m \u0161perka\u0159sk\u00fdch spon. Zat\u00edmco zamak 5 pot\u0159ebuje dal\u0161\u00ed vrstvy povrchov\u00e9 \u00fapravy, aby z\u00edskal estetick\u00fd vzhled.<\/li>\n<li>Dodr\u017eov\u00e1n\u00ed pr\u00e1vn\u00edch p\u0159edpis\u016f: Zamak 5 spl\u0148uje normu ASTM B240 pro automobilov\u00fd pr\u016fmysl. Vyr\u00e1b\u00ed \u017e\u00e1ruvzdorn\u00e9 d\u00edly. Zamak 3 spl\u0148uje normu iso 301 pracuj\u00edc\u00ed pro n\u00e1kladov\u011b citliv\u00e9 zbo\u017e\u00ed.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Manufacturing_Process_of_Zamak_5\"><\/span>V\u00fdrobn\u00ed proces p\u0159\u00edpravku Zamak 5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Die_Casting_Process\"><\/span>Proces tlakov\u00e9ho lit\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tlakov\u00e9 lit\u00ed v hork\u00e9 komo\u0159e dob\u0159e pracuje se slitinami zinku a hlin\u00edku, tak\u017ee v n\u011bm lze odl\u00e9vat i Zamak Five. M\u00e1 n\u00edzk\u00fd bod t\u00e1n\u00ed a pro optim\u00e1ln\u00ed tekutost se m\u016f\u017ee zah\u0159\u00e1t na 400 \u00b0C.<\/p>\n<p>Roztaven\u00e1 slitina se vst\u0159ikuje do dutiny formy z oceli. V\u00fdrobci pou\u017e\u00edvaj\u00ed tlak 1000 a\u017e 3000 bar\u016f. B\u011bhem n\u011bkolika vte\u0159in z\u00edsk\u00e1 pevnou formu, kter\u00e1 obsahuje p\u0159\u00edsn\u00e9 tolerance.<\/p>\n<p>Tato technika m\u016f\u017ee fungovat i p\u0159i v\u011bt\u0161\u00ed v\u00fdrob\u011b, kdy se z\u00edsk\u00e1 hladk\u00fd povrch (1,6 \u00b5m). Sni\u017euje tak\u00e9 pot\u0159ebu n\u00e1sledn\u00e9ho zpracov\u00e1n\u00ed.<\/p>\n<p>Zinkov\u00e9 odlitky jsou cenov\u011b velmi dostupnou v\u00fdrobn\u00ed metodou. Proto jej vol\u00ed v\u011bt\u0161ina masov\u011b vyr\u00e1b\u011bn\u00fdch platforem. To se t\u00fdk\u00e1 i automobilov\u00fdch dr\u017e\u00e1k\u016f nebo kryt\u016f spot\u0159ebn\u00ed elektroniky.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Process_Parameters\"><\/span>Parametry procesu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u016fle\u017eit\u00e9 parametry jsou:<\/p>\n<ul>\n<li>Vst\u0159ikovac\u00ed tlak (700-1000 bar\u016f). Zabra\u0148uje vzniku z\u00e1vad,<\/li>\n<li>Teplota matrice (150-200 \u00b0C), aby nedo\u0161lo k p\u0159ed\u010dasn\u00e9mu ochlazen\u00ed.<\/li>\n<li>Rychlost chlazen\u00ed (50 \u00b0C\/s) podporuje jemn\u011bj\u0161\u00ed velikost zrn (0,02 mm).<\/li>\n<\/ul>\n<p>\u00daprava t\u011bchto krok\u016f je d\u016fle\u017eit\u00e1 pro z\u00edsk\u00e1n\u00ed skute\u010dn\u00fdch v\u00fdstupn\u00edch v\u00fdsledk\u016f. Zvy\u0161uje mechanick\u00e9 vlastnosti, jako je pevnost v tahu.<\/p>\n<p>Tyto parametry tak\u00e9 zabra\u0148uj\u00ed vzniku variantn\u00edch prom\u011bnn\u00fdch v \u010d\u00e1stech. Vhodn\u00e9 chladic\u00ed syst\u00e9my sni\u017euj\u00ed v\u00fdskyt vnit\u0159n\u00edch vad a zvy\u0161uj\u00ed odolnost proti \u00fanav\u011b.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Machining_and_Finishing\"><\/span>Obr\u00e1b\u011bn\u00ed a dokon\u010dovac\u00ed pr\u00e1ce<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u0159\u00eddu Zamak 5 lze obr\u00e1b\u011bt \u0159eznou rychlost\u00ed 150 m\/min. Jej\u00ed posuvy se pohybuj\u00ed kolem 0,1 mm\/ot\u00e1\u010dku. To z\u00e1vis\u00ed na karbidov\u00e9m n\u00e1stroji.<\/p>\n<p>Chladic\u00ed kan\u00e1ly na b\u00e1zi vody odv\u00e1d\u011bj\u00ed nadm\u011brn\u00e9 teplo. To podporuje vysoce p\u0159esn\u00e9 z\u00e1vitov\u00e1n\u00ed nebo dr\u00e1\u017ekov\u00e1n\u00ed.<\/p>\n<p>V\u00fdroba d\u00edl\u016f s vysoce kvalitn\u00ed povrchovou \u00fapravou je jedn\u00edm z nejn\u00e1ro\u010dn\u011bj\u0161\u00edch krok\u016f. Po <strong>galvanick\u00e9 pokovov\u00e1n\u00ed,<\/strong> d\u00edly l\u00e9pe odol\u00e1vaj\u00ed korozi.<\/p>\n<p>V r\u016fzn\u00fdch variant\u00e1ch povrchov\u00e9 \u00fapravy nan\u00e1\u0161ej\u00ed v\u00fdrobci na architektonick\u00e9 kov\u00e1n\u00ed pr\u00e1\u0161kov\u00e9 barvy, kter\u00e9 mu dod\u00e1vaj\u00ed odolnou povrchovou \u00fapravu. Na dekorativn\u00ed p\u0159edm\u011bty, jako jsou nap\u0159\u00edklad podstavce lamp, mezit\u00edm dokonale p\u0159ilnou n\u00e1t\u011bry barvou.<\/p>\n<p>V\u0161echny v\u00fd\u0161e uveden\u00e9 skute\u010dnosti t\u00fdkaj\u00edc\u00ed se dopadu na \u017eivotn\u00ed prost\u0159ed\u00ed jsou mnohem d\u016fle\u017eit\u011bj\u0161\u00ed. Proto si osvojte postupy \u0161etrn\u00e9 k \u017eivotn\u00edmu prost\u0159ed\u00ed. Nap\u0159\u00edklad k nan\u00e1\u0161en\u00ed pr\u00e1\u0161kov\u00fdch vrstev lze pou\u017e\u00edt uzav\u0159en\u00e9 vodn\u00ed syst\u00e9my.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Z\u00e1v\u011br:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Zamak 5 je kov na b\u00e1zi zinku. Obsahuje mnoho prvk\u016f, jako je hlin\u00edk, ho\u0159\u010d\u00edk a m\u011b\u010f. Proto m\u00e1 lep\u0161\u00ed pom\u011br pevnosti a hmotnosti, odolnost proti korozi a vynikaj\u00edc\u00ed odl\u00e9vatelnost. Pro spln\u011bn\u00ed po\u017eadavk\u016f na hromadnou v\u00fdrobu pou\u017e\u00edv\u00e1te techniky tlakov\u00e9ho lit\u00ed. Je n\u00e1kladov\u011b efektivn\u00ed a p\u0159ed\u010d\u00ed alternativy, jako je Zamak 3 nebo hlin\u00edk.<\/p>","protected":false},"excerpt":{"rendered":"<p>P\u0159e\u010dt\u011bte si v\u0161e o slitin\u011b Zamak 5 - jej\u00ed chemick\u00e9 slo\u017een\u00ed, fyzik\u00e1ln\u00ed a mechanick\u00e9 vlastnosti, proces odl\u00e9v\u00e1n\u00ed a hlavn\u00ed v\u00fdhody. Porovnejte Zamak 5 vs. Zamak 3 pro va\u0161e v\u00fdrobn\u00ed pot\u0159eby.<\/p>","protected":false},"author":2,"featured_media":18218,"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":[141],"tags":[],"class_list":["post-18212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zamak-5-die-casting"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/18212","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=18212"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/18212\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media\/18218"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media?parent=18212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/categories?post=18212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/tags?post=18212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}