{"id":17866,"date":"2025-04-18T23:56:52","date_gmt":"2025-04-18T15:56:52","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=17866"},"modified":"2026-10-08T21:05:16","modified_gmt":"2026-10-08T13:05:16","slug":"what-is-zamak","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/sk\/blog\/what-is-zamak\/","title":{"rendered":"\u010co je Zamak? Sprievodca zliatinami na tlakov\u00e9 liatie"},"content":{"rendered":"<h2>\u010co je Zamak\uff1f<\/h2>\n<p>Zamak je skupina kovov\u00fdch zliatin zn\u00e1mych pevnos\u0165ou, tvrdos\u0165ou a dostupnou cenou. V\u010faka \u0161pecifickej kombin\u00e1cii kovov a spo\u013eahlivosti sa \u010dasto pou\u017e\u00edvaj\u00fa v stavebn\u00edctve, pri tlakovom liat\u00ed a v mnoh\u00fdch \u010fal\u0161\u00edch odvetviach.<\/p>\n<p>Zamak sa vyr\u00e1ba najm\u00e4 zo zinku. Okrem zinku sa do zliatiny prid\u00e1va mal\u00e9 mno\u017estvo hlin\u00edka, hor\u010d\u00edka a medi.<\/p>\n<ul>\n<li><strong>Zinok:<\/strong> Tvor\u00ed najv\u00e4\u010d\u0161iu \u010das\u0165 zliatiny Zamak, zvy\u010dajne viac ne\u017e 95%.<\/li>\n<li><strong>Hlin\u00edk:<\/strong> Zvy\u0161uje pevnos\u0165 a pom\u00e1ha kovu zachova\u0165 si tvar.<\/li>\n<li><strong>Hor\u010d\u00edk:<\/strong> Zvy\u0161uje tvrdos\u0165 a odolnos\u0165 kovu.<\/li>\n<li><strong>Me\u010f:<\/strong> Zvy\u0161uje h\u00fa\u017eevnatos\u0165 a odolnos\u0165 proti opotrebovaniu.<\/li>\n<\/ul>\n<p>V\u010faka tejto kombin\u00e1cii mo\u017eno zliatiny Zamak \u013eahko tvarova\u0165 procesom tlakov\u00e9ho liatia.<\/p>\n<h3>Hist\u00f3ria a v\u00fdvoj zliatiny Zamak<\/h3>\n<p>Zamak po prv\u00fd raz vyrobila koncom 20. rokov 20. storo\u010dia spolo\u010dnos\u0165 New Jersey Zinc Company. N\u00e1zov \u201eZamak\u201c poch\u00e1dza z nemeck\u00fdch n\u00e1zvov jeho hlavn\u00fdch kovov.<\/p>\n<p>Po z\u00edskan\u00ed patentu v roku 1929 za\u010dal Zamak nahr\u00e1dza\u0165 in\u00e9 materi\u00e1ly v n\u00e1strojoch a s\u00fa\u010diastkach strojov. V\u00fdvoj\u00e1ri jeho zlo\u017eenie na\u010falej zdokona\u013eovali, aby zlep\u0161ili jeho tavenie a odlievanie.<\/p>\n<p>V 30. rokoch 20. storo\u010dia si \u013eudia za\u010dali v\u0161\u00edma\u0165 v\u00fdhody Zamaku, najm\u00e4 jeho n\u00edzku cenu a jednoduch\u00e9 pou\u017e\u00edvanie. \u010coskoro sa za\u010dal be\u017ene pou\u017e\u00edva\u0165 v automobiloch, dom\u00e1cich potreb\u00e1ch, hra\u010dk\u00e1ch a kovaniach.<\/p>\n<p>Dnes sa Zamak pou\u017e\u00edva vo v\u00fdrobkoch, ako s\u00fa zipsy, k\u013eu\u010dky a elektrick\u00e9 armat\u00fary.<\/p>\n<h3>Be\u017en\u00e9 triedy zliatiny Zamak<\/h3>\n<p>Existuje nieko\u013eko tried zliatiny Zamak. L\u00ed\u0161ia sa najm\u00e4 pomerom jednotliv\u00fdch kovov.<\/p>\n<p>Medzi najbe\u017enej\u0161ie patria Zamak 2, Zamak 3, Zamak 5 a Zamak 7.<\/p>\n<table style=\"width: 99.9875%;\">\n<thead>\n<tr>\n<th style=\"width: 15.8056%;\">Trieda<\/th>\n<th style=\"width: 40.4545%;\">Hlavn\u00e9 vlastnosti<\/th>\n<th style=\"width: 43.6537%;\">Typick\u00e9 pou\u017eitie<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 15.8056%;\">Zamak 2<\/td>\n<td style=\"width: 40.4545%;\">Najvy\u0161\u0161ia pevnos\u0165, ni\u017e\u0161ia \u0165a\u017enos\u0165<\/td>\n<td style=\"width: 43.6537%;\">Ozuben\u00e9 koles\u00e1, kon\u0161truk\u010dn\u00e9 diely<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.8056%;\">Zamak 3<\/td>\n<td style=\"width: 40.4545%;\">Najpou\u017e\u00edvanej\u0161\u00ed, vyv\u00e1\u017een\u00e9 vlastnosti<\/td>\n<td style=\"width: 43.6537%;\">K\u013eu\u010dky, hra\u010dky, kovanie<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.8056%;\">Zamak 5<\/td>\n<td style=\"width: 40.4545%;\">Vy\u0161\u0161\u00ed obsah medi prin\u00e1\u0161a vy\u0161\u0161iu pevnos\u0165<\/td>\n<td style=\"width: 43.6537%;\">Mechanick\u00e9 komponenty, elektronika<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.8056%;\">Zamak 7<\/td>\n<td style=\"width: 40.4545%;\">Najvy\u0161\u0161ia \u010distota, lep\u0161ia odlievate\u013enos\u0165<\/td>\n<td style=\"width: 43.6537%;\">Jemn\u00e9 detaily, tenkostenn\u00e9 s\u00fa\u010diastky<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u00e4\u010d\u0161ina be\u017en\u00fdch v\u00fdrobkov sa vyr\u00e1ba zo zliatiny Zamak 3.<\/p>\n<h2>K\u013e\u00fa\u010dov\u00e9 vlastnosti zliatiny Zamak<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-748\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Mechanick\u00e9 vlastnosti<\/h3>\n<p>Zliatiny Zamak maj\u00fa dobr\u00fa <strong>pevnos\u0165<\/strong> a <strong>tvrdos\u0165<\/strong> v r\u00e1mci svojej triedy. Zvl\u00e1daj\u00fa stredn\u00e9 za\u0165a\u017eenie a odol\u00e1vaj\u00fa opotrebovaniu.<\/p>\n<p>Zlo\u017eenie zliatiny Zamak u\u013eah\u010duje tlakov\u00e9 liatie detailn\u00fdch tvarov.<\/p>\n<p>Zamak je aj <strong>\u0165a\u017en\u00fd<\/strong>, \u010do znamen\u00e1, \u017ee sa m\u00f4\u017ee trochu ohn\u00fa\u0165 bez zlomenia.<\/p>\n<h3>Odolnos\u0165 proti kor\u00f3zii<\/h3>\n<p>Jednou z hlavn\u00fdch v\u00fdhod Zamaku je jeho <strong>odolnos\u0165 proti kor\u00f3zii<\/strong>. Ke\u010f\u017ee hlavnou zlo\u017ekou je zinok, Zamak prirodzene odol\u00e1va hrdzaveniu pri p\u00f4soben\u00ed vzduchu a vlhkosti.<\/p>\n<p>T\u00e1to vlastnos\u0165 predl\u017euje \u017eivotnos\u0165 s\u00fa\u010diastok Zamak, najm\u00e4 v interi\u00e9ri alebo v miernych vonkaj\u0161\u00edch podmienkach.<\/p>\n<p>V n\u00e1ro\u010dnej\u0161om prostred\u00ed nemus\u00ed Zamak s\u00e1m o sebe fungova\u0165 tak dobre ako niektor\u00e9 kovy, napr\u00edklad nehrdzavej\u00faca oce\u013e. Vo v\u00e4\u010d\u0161ine dom\u00e1cich, automobilov\u00fdch a dekorat\u00edvnych aplik\u00e1ci\u00ed v\u0161ak zvy\u010dajne vyhovuje.<\/p>\n<h2>V\u00fdroba a spracovanie zliatiny Zamak<\/h2>\n<h3>Tlakov\u00e9 liatie Zamaku<\/h3>\n<p>Zamak sa zvy\u010dajne tvaruje pomocou <strong>vysokotlakov\u00e9ho tlakov\u00e9ho liatia<\/strong>. Pri tomto procese sa roztaven\u00fd Zamak pod vysok\u00fdm tlakom vstrekuje do oce\u013eovej formy.<\/p>\n<p>T\u00e1to met\u00f3da je ob\u013e\u00faben\u00e1, preto\u017ee r\u00fdchlo vyr\u00e1ba s\u00fa\u010diastky s ve\u013emi presn\u00fdmi tvarmi. Mo\u017eno tak vyr\u00e1ba\u0165 v\u0161etko od mal\u00fdch ozuben\u00fdch kolies a\u017e po kryty telef\u00f3nov.<\/p>\n<p>Hod\u00ed sa najm\u00e4 pri ve\u013ek\u00fdch s\u00e9ri\u00e1ch rovnak\u00fdch s\u00fa\u010diastok, preto\u017ee formy maj\u00fa dlh\u00fa \u017eivotnos\u0165.<\/p>\n<p>Typ zliatiny mo\u017eno vybra\u0165 pod\u013ea po\u017eadovanej pevnosti, tv\u00e1rnite\u013enosti alebo povrchovej \u00fapravy. Ke\u010f\u017ee Zamak sa tav\u00ed pri ni\u017e\u0161ej teplote ne\u017e mnoh\u00e9 in\u00e9 kovy, tlakov\u00e9 liatie spotrebuje menej energie.<\/p>\n<p>Zni\u017euj\u00fa sa t\u00fdm n\u00e1klady a zvy\u0161uje efekt\u00edvnos\u0165 procesu.<\/p>\n<h3>Obrobite\u013enos\u0165 Zamaku<\/h3>\n<p>Po tlakovom liat\u00ed m\u00f4\u017ee by\u0165 potrebn\u00e9 Zamak obr\u00e1ba\u0165, napr\u00edklad v\u0155ta\u0165 otvory alebo vytv\u00e1ra\u0165 z\u00e1vity. Zamak sa <strong>\u013eahko obr\u00e1ba<\/strong>, tak\u017ee ho mo\u017eno reza\u0165 a tvarova\u0165 be\u017en\u00fdmi n\u00e1strojmi.<\/p>\n<p>S\u00fa\u010diastky zo Zamaku \u010dasto vy\u017eaduj\u00fa len minim\u00e1lne dokon\u010dovacie pr\u00e1ce. Mo\u017eno ich \u013eahko br\u00fasi\u0165, le\u0161ti\u0165 alebo povrchovo upravova\u0165.<\/p>\n<p>Ak potrebujete vlastn\u00e9 tvary, poskytuje to v\u00e4\u010d\u0161iu flexibilitu v\u00fdrobn\u00e9ho procesu.<\/p>\n<h2>Pou\u017eitie zliatiny Zamak<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-749\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc-2.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc-2.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc-2-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc-2-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/zinc-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Automobilov\u00e9 komponenty<\/h3>\n<p>Zamak n\u00e1jdete v mnoh\u00fdch s\u00fa\u010diastkach \u00e1ut a n\u00e1kladn\u00fdch vozidiel. Pou\u017e\u00edva sa na <em>k\u013eu\u010dky<\/em>, <em>embl\u00e9my<\/em>, <em>mechanizmy s\u0165ahovania okien<\/em>a \u010fal\u0161ie drobn\u00e9 kovov\u00e9 diely.<\/p>\n<p>Automobilky pou\u017e\u00edvaj\u00fa Zamak aj na <em>elektrick\u00e9 konektory<\/em> a <em>ozuben\u00e9 s\u00fa\u010diastky<\/em>, preto\u017ee pon\u00faka pevnos\u0165 aj dobr\u00fa elektrick\u00fa vodivos\u0165.<\/p>\n<h3>Spotrebn\u00e9 v\u00fdrobky<\/h3>\n<p>Medzi be\u017en\u00e9 v\u00fdrobky patria\u00a0<em>s\u00fa\u010diastky spotrebi\u010dov<\/em>, <em>k\u00fape\u013e\u0148ov\u00e9 armat\u00fary<\/em>, <em>n\u00e1bytkov\u00e9 \u00fachytky<\/em>a <em>dekorat\u00edvne prvky<\/em>.<\/p>\n<p>Hladk\u00fd povrch a mo\u017enos\u0165 r\u00f4znych povrchov\u00fdch \u00faprav dod\u00e1vaj\u00fa t\u00fdmto predmetom funk\u010dnos\u0165 aj atrakt\u00edvny vzh\u013ead. Zamak sa pou\u017e\u00edva aj na <em>sveteln\u00e9 vyp\u00edna\u010de<\/em>, <em>kryty telef\u00f3nov<\/em>a mal\u00e9 <em>n\u00e1stroje<\/em> , preto\u017ee ho mo\u017eno r\u00fdchlo odlieva\u0165 do detailn\u00fdch tvarov.<\/p>\n<p>Ke\u010f\u017ee Zamak je lacnej\u0161\u00ed ne\u017e kovy, ako s\u00fa mosadz alebo hlin\u00edk, pom\u00e1ha zni\u017eova\u0165 cenu v\u00fdrobkov bez zn\u00ed\u017eenia kvality.<\/p>\n<h2>V\u00fdhody a obmedzenia<\/h2>\n<p>V porovnan\u00ed s in\u00fdmi kovmi m\u00e1 Zamak svoje prednosti aj nev\u00fdhody. V\u010faka jeho vlastnostiam sa hod\u00ed na mnoh\u00e9 projekty, no niektor\u00e9 obmedzenia m\u00f4\u017eu ovplyvni\u0165 v\u00fdber.<\/p>\n<h3>V\u00fdhody v porovnan\u00ed s in\u00fdmi zliatinami<\/h3>\n<p>Zamak vynik\u00e1 <strong>n\u00e1kladovou efekt\u00edvnos\u0165ou<\/strong>. V\u010faka n\u00edzkej teplote tavenia mo\u017eno pri v\u00fdrobe u\u0161etri\u0165 energiu.<\/p>\n<p>Z\u00e1rove\u0148 sa predl\u017euje \u017eivotnos\u0165 foriem a pred ich v\u00fdmenou mo\u017eno vyrobi\u0165 viac s\u00fa\u010diastok. \u010eal\u0161ou v\u00fdznamnou v\u00fdhodou je <strong>vhodnos\u0165 na tlakov\u00e9 liatie<\/strong>.<\/p>\n<p>Zamak \u013eahko te\u010die do foriem, tak\u017ee umo\u017e\u0148uje vytv\u00e1ra\u0165 zlo\u017eit\u00e9 tvary s hladk\u00fdm povrchom a detailn\u00e9 s\u00fa\u010diastky \u010dasto bez dodato\u010dn\u00e9ho dokon\u010dovania.<\/p>\n<p>Navy\u0161e je <em>\u013eah\u0161\u00ed ne\u017e oce\u013e<\/em> a pevnej\u0161\u00ed ne\u017e \u010dist\u00fd hlin\u00edk, preto sa hod\u00ed na s\u00fa\u010diastky citliv\u00e9 na hmotnos\u0165, napr\u00edklad dom\u00e1ce armat\u00fary. \u013dahko sa aj sprac\u00fava.<\/p>\n<h3>Obmedzenia zliatiny Zamak<\/h3>\n<p>Zamak sa tav\u00ed pri teplote pribli\u017ene 380\u00b0C, preto nie je vhodn\u00fd do prostredia s vysokou teplotou. Dlhodob\u00e9 vystavenie teplot\u00e1m nad 100\u00b0C m\u00f4\u017ee sp\u00f4sobi\u0165 deform\u00e1ciu alebo te\u010denie materi\u00e1lu.<\/p>\n<p>Zamak m\u00e1 aj ni\u017e\u0161iu pevnos\u0165 v \u0165ahu. Jeho pevnos\u0165 v \u0165ahu sa pohybuje v rozsahu 200\u2013350 MPa (v z\u00e1vislosti od zliatiny), \u010do je menej ne\u017e pri mnoh\u00fdch hlin\u00edkov\u00fdch zliatin\u00e1ch (a\u017e 500+ MPa) a v\u00fdrazne menej ne\u017e pri oceli. Nie je vhodn\u00fd na aplik\u00e1cie s vysok\u00fdm nam\u00e1han\u00edm.<\/p>\n<h4>Zamak vo v\u00fdrobe a spracovan\u00ed<\/h4>\n<ul>\n<li><strong>P\u00f3rovitos\u0165<\/strong>: Tlakov\u00e9 odliatky m\u00f4\u017eu obsahova\u0165 mikrop\u00f3rovitos\u0165, ktor\u00e1 zni\u017euje vzduchotesnos\u0165 alebo odolnos\u0165 proti tlaku.<\/li>\n<li><strong>V\u00fdzvy pri obr\u00e1ban\u00ed<\/strong>: Pre krehkos\u0165 nie je ide\u00e1lny na dodato\u010dn\u00e9 obr\u00e1banie po odliat\u00ed; najlep\u0161ie sa hod\u00ed na odlievanie tvarov bl\u00edzkych kone\u010dn\u00e9mu v\u00fdrobku.<\/li>\n<li><strong>Po\u017eiadavky na povrchov\u00fa \u00fapravu<\/strong>: Na zabezpe\u010denie pri\u013enavosti pokovovania alebo farby a na predch\u00e1dzanie oxid\u00e1cii je potrebn\u00e1 presn\u00e1 pred\u00faprava.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u010co je Zamak\uff1f Zamak je skupina kovov\u00fdch zliatin zn\u00e1mych pevnos\u0165ou, tvrdos\u0165ou a dostupnou cenou. V\u010faka \u0161pecifickej kombin\u00e1cii kovov a spo\u013eahlivosti sa \u010dasto pou\u017e\u00edvaj\u00fa v stavebn\u00edctve, pri tlakovom liat\u00ed a v mnoh\u00fdch \u010fal\u0161\u00edch odvetviach. Zamak sa vyr\u00e1ba najm\u00e4 zo zinku. Okrem zinku sa do zliatiny prid\u00e1va mal\u00e9 mno\u017estvo hlin\u00edka, hor\u010d\u00edka a medi. Zinok: Tvor\u00ed najv\u00e4\u010d\u0161iu \u010das\u0165 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18500,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"\u010co je Zamak? 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