{"id":18049,"date":"2025-10-27T16:25:31","date_gmt":"2025-10-27T08:25:31","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=18049"},"modified":"2026-10-08T21:05:59","modified_gmt":"2026-10-08T13:05:59","slug":"vacuum-die-casting-process-benefit-and-application-explained","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/sk\/blog\/vacuum-die-casting-process-benefit-and-application-explained\/","title":{"rendered":"V\u00e1kuov\u00e9 tlakov\u00e9 liatie: vysvetlenie procesu, v\u00fdhod a pou\u017eitia"},"content":{"rendered":"<p>Ke\u010f v\u00fdroba potrebuje zn\u00ed\u017ei\u0165 riziko netesnost\u00ed, deform\u00e1ci\u00ed alebo trhl\u00edn pri tlakovom liat\u00ed, be\u017en\u00e9 vysokotlakov\u00e9 tlakov\u00e9 liatie niekedy nesta\u010d\u00ed. Odborn\u00edci preto t\u00fato technol\u00f3giu roz\u0161\u00edrili o <strong>v\u00e1kuov\u00e9 tlakov\u00e9 liatie <\/strong>ako rie\u0161enie na v\u00fdrobu kvalitn\u00fdch dielov. V \u010dl\u00e1nku sa dozviete o princ\u00edpe, fungovan\u00ed a oblastiach pou\u017eitia tohto v\u00fdznamn\u00e9ho pokroku v technol\u00f3gii <a href=\"https:\/\/moldiecasting.com\/sk\/blog\/die-casting-process-materials-and-tooling-die-design-overview\/\">tlakov\u00e9ho liatia<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1366\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/vacuum-die-casting.jpg\" alt=\"Diely z v\u00e1kuov\u00e9ho tlakov\u00e9ho liatia\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/vacuum-die-casting.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/vacuum-die-casting-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/vacuum-die-casting-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/vacuum-die-casting-18x10.jpg 18w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/vacuum-die-casting-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>\u010co je v\u00e1kuov\u00e9 tlakov\u00e9 liatie<\/h2>\n<p>V\u00e1kuov\u00e9 tlakov\u00e9 liatie je <strong>variantom <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/high-pressure-die-casting\/\">vysokotlakov\u00e9ho tlakov\u00e9ho liatia<\/a><\/span>, pri ktorom sa zo dutiny formy akt\u00edvne odstra\u0148uje vzduch a plyn, aby sa tesne pred vstrekovan\u00edm a po\u010das neho vytvorilo v\u00e1kuum<\/strong>. Zn\u00ed\u017een\u00edm obsahu plynov v dutine sa obmedzuje ich zachyt\u00e1vanie, zni\u017euje p\u00f3rovitos\u0165, zvy\u0161uje hustota a zlep\u0161uje konzistentnos\u0165 mechanick\u00fdch vlastnost\u00ed v porovnan\u00ed s be\u017en\u00fdm HPDC (vysokotlakov\u00fdm tlakov\u00fdm liat\u00edm). Tento postup je nevyhnutn\u00fd pri odliatkoch ur\u010den\u00fdch na zv\u00e1ranie, tepeln\u00e9 spracovanie (T5\/T6) alebo na pou\u017eitie, pri ktorom nesm\u00fa prep\u00fa\u0161\u0165a\u0165.<\/p>\n<p>Z\u00e1kladom met\u00f3dy je utesnen\u00e1 forma, v\u00e1kuov\u00fd \u010derpac\u00ed syst\u00e9m a presne navrhnut\u00e9 odvzdu\u0161\u0148ovacie kan\u00e1ly a vtokov\u00e1 s\u00fastava. Pred pr\u00edchodom kovu do dutiny formy sa mus\u00ed dosiahnu\u0165 cie\u013eov\u00e1 \u00farove\u0148 v\u00e1kua, \u010dasto pod 100 mbar a pri kritick\u00fdch aplik\u00e1ci\u00e1ch aj v\u00fdrazne ni\u017e\u0161ia. V\u00fdsledkom je \u010distej\u0161ie a hustej\u0161ie vyplnenie s men\u0161\u00edm zachyt\u00e1van\u00edm vzduchu sp\u00f4soben\u00fdm turbulenciami a s men\u0161\u00edm po\u010dtom n\u00e1sledn\u00fdch probl\u00e9mov.<\/p>\n<h3>V\u00e1kuom podporovan\u00e9 tlakov\u00e9 liatie a syst\u00e9my s vysok\u00fdm v\u00e1kuom<\/h3>\n<p>Syst\u00e9my s v\u00e1kuovou podporou \u010diasto\u010dne ods\u00e1vaj\u00fa vzduch z formy a zlep\u0161uj\u00fa kvalitu mnoh\u00fdch dielov bez n\u00e1kladov a zlo\u017eitosti plnohodnotn\u00e9ho v\u00e1kuov\u00e9ho zariadenia. \u010casto posta\u010duj\u00fa pri stredne n\u00e1ro\u010dn\u00fdch odliatkoch a prin\u00e1\u0161aj\u00fa merate\u013en\u00e9 zn\u00ed\u017eenie <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/die-casting-porosity\/\">p\u00f3rovitosti<\/a><\/span> a lep\u0161ie plnenie dutiny.<\/p>\n<p>Syst\u00e9my s vysok\u00fdm v\u00e1kuom sa usiluj\u00fa o takmer \u00fapln\u00e9 odsatie vzduchu a \u010do najni\u017e\u0161\u00ed zvy\u0161kov\u00fd obsah plynu. Formy s\u00fa d\u00f4kladne utesnen\u00e9, v\u00e1kuov\u00e9 kan\u00e1ly optimalizovan\u00e9 a \u010derpadl\u00e1 dimenzovan\u00e9 tak, aby r\u00fdchlo dosiahli stabiln\u00e9 v\u00e1kuum po\u010das plnenia.<\/p>\n<h3>Rozdiel oproti be\u017en\u00e9mu vysokotlakov\u00e9mu tlakov\u00e9mu liatiu<\/h3>\n<ul>\n<li class=\"ds-markdown-paragraph\"><strong>P\u00f3rovitos\u0165 a zachyt\u00e1vanie plynov:<\/strong>\u00a0Integrovan\u00fd v\u00e1kuov\u00fd syst\u00e9m akt\u00edvne odstra\u0148uje vzduch z dutiny formy a v\u00fdrazne obmedzuje zachyt\u00e1vanie plynov aj vn\u00fatorn\u00fa p\u00f3rovitos\u0165, ktor\u00e1 je probl\u00e9mom pri be\u017enom HPDC.<\/li>\n<li class=\"ds-markdown-paragraph\"><strong>Mechanick\u00e9 vlastnosti:<\/strong>\u00a0Men\u0161ia p\u00f3rovitos\u0165 vedie k lep\u0161\u00edm a konzistentnej\u0161\u00edm mechanick\u00fdm vlastnostiam a k men\u0161\u00edm rozdielom v pevnosti v \u0165ahu, pred\u013a\u017een\u00ed a \u00fanavovej \u017eivotnosti medzi v\u00fdrobn\u00fdmi s\u00e9riami.<\/li>\n<li class=\"ds-markdown-paragraph\"><strong>Mo\u017enosti n\u00e1sledn\u00e9ho spracovania:<\/strong>\u00a0V\u00e1kuov\u00e9 odliatky s\u00fa zvy\u010dajne dostato\u010dne hust\u00e9 na bezpe\u010dn\u00e9 zv\u00e1ranie a tepeln\u00e9 spracovanie, na rozdiel od p\u00f3rovit\u00fdch odliatkov z be\u017en\u00e9ho procesu. Otv\u00e1raj\u00fa tak \u0161ir\u0161ie mo\u017enosti pou\u017eitia.<\/li>\n<\/ul>\n<p>Praktick\u00fd rozdiel sa prejavuje stabilitou vlastnost\u00ed. Pri v\u00e1kuovom procese b\u00fdva pevnos\u0165 v \u0165ahu, pred\u013a\u017eenie aj \u00fanavov\u00e1 odolnos\u0165 vy\u0161\u0161ia a ich hodnoty sa medzi v\u00fdrobn\u00fdmi s\u00e9riami menej l\u00ed\u0161ia.<\/p>\n<h2>Ako funguje v\u00e1kuov\u00e9 tlakov\u00e9 liatie<\/h2>\n<h3>K\u013e\u00fa\u010dov\u00e9 zariadenia, prvky n\u00e1stroja a met\u00f3dy tesnenia<\/h3>\n<ul>\n<li><strong>Stroj na tlakov\u00e9 liatie<\/strong>: Vysokotlakov\u00fd stroj s r\u00fdchlym riaden\u00edm vstrekovania a presnou r\u00fdchlos\u0165ou kovu vo vtokoch.<\/li>\n<li><strong>V\u00e1kuov\u00fd syst\u00e9m<\/strong>: V\u00e1kuov\u00e9 \u010derpadl\u00e1, regula\u010dn\u00e9 ventily, z\u00e1sobn\u00edky alebo akumul\u00e1tory a sn\u00edma\u010de, ktor\u00e9 r\u00fdchlo dosiahnu cie\u013eov\u00e9 v\u00e1kuum a udr\u017eia ho po\u010das plnenia.<\/li>\n<li><strong>Utesnen\u00e9 formy<\/strong>: Odoln\u00e9 tesnenia deliacej roviny, O-kr\u00fa\u017eky alebo tesnenia okolo vyhadzovac\u00edch kol\u00edkov a pos\u00fava\u010dov a v\u00e1kuov\u00e9 bloky usmer\u0148uj\u00face pr\u00fadenie pri ods\u00e1van\u00ed.<\/li>\n<li><strong>Odvzdu\u0161\u0148ovanie a vtokov\u00e1 s\u00fastava<\/strong>: V\u00e1kuov\u00fd kan\u00e1l je umiestnen\u00fd tak, aby odv\u00e1dzal vzduch z oblast\u00ed, ktor\u00e9 sa plnia ako posledn\u00e9. Vtoky sa dimenzuj\u00fa a orientuj\u00fa na podporu lamin\u00e1rneho toku a prevenciu pred\u010dasn\u00e9ho tuhnutia v tenk\u00fdch \u010dastiach.<\/li>\n<li><strong>Meracie pr\u00edstroje<\/strong>: Tlakov\u00e9 sn\u00edma\u010de (v\u00e1kuum v dutine), termo\u010dl\u00e1nky (teplota taveniny a formy) a sn\u00edma\u010de polohy a r\u00fdchlosti vstrekovacej komory a piesta.<\/li>\n<\/ul>\n<p>N\u00e1stroj\u00e1ri \u010dasto pou\u017e\u00edvaj\u00fa kalen\u00e9 oce\u013eov\u00e9 vlo\u017eky pre v\u00e1kuov\u00e9 porty, le\u0161ten\u00e9 odvzdu\u0161\u0148ovacie plochy a elastom\u00e9ry odoln\u00e9 proti stla\u010deniu. Pravideln\u00e1 kontrola O-kr\u00fa\u017ekov a opotrebovania deliacej roviny je s\u00fa\u010das\u0165ou pl\u00e1nov prevent\u00edvnej \u00fadr\u017eby.<\/p>\n<h3>Postup krok za krokom<\/h3>\n<ol>\n<li aria-level=\"1\"><strong>Pr\u00edprava d\u00e1vky<\/strong>: Tavenina sa zohreje na cie\u013eov\u00fa teplotu a do vstrekovacej komory sa nad\u00e1vkuje spr\u00e1vny objem kovu.<\/li>\n<li aria-level=\"1\"><strong>Odsatie dutiny<\/strong>: Otvor\u00ed sa v\u00e1kuov\u00fd okruh a odsaje vzduch z dutiny formy aj pripojen\u00fdch kan\u00e1lov na nastaven\u00fa hodnotu. Pri n\u00e1ro\u010dn\u00fdch dieloch sa pred vstrekovan\u00edm po\u010dk\u00e1, k\u00fdm sa tlak stabilizuje.<\/li>\n<li aria-level=\"1\"><strong>Vstrekovanie a plnenie<\/strong>: Za\u010dne sa vstrekovac\u00ed cyklus. F\u00e1za 1 pos\u00fava kov k vtoku a f\u00e1za 2 zv\u00fd\u0161i r\u00fdchlos\u0165 na r\u00fdchle vyplnenie dutiny. V\u00e1kuum zost\u00e1va akt\u00edvne a s postupuj\u00facim \u010delom toku ods\u00e1va zvy\u0161kov\u00e9 plyny.<\/li>\n<li aria-level=\"1\"><strong>Dotlak a udr\u017eiavanie tlaku<\/strong>: Po vstreknut\u00ed roztaven\u00e9ho kovu do formy sa po\u010das tuhnutia udr\u017eiava tlak, aby dop\u013a\u0148al kov pri zmr\u0161\u0165ovan\u00ed. V\u00e1kuum p\u00f4sob\u00ed dovtedy, k\u00fdm \u010delo kovu neuzavrie odvzdu\u0161\u0148ovac\u00ed kan\u00e1l.<\/li>\n<li aria-level=\"1\"><strong>Uvo\u013enenie a tuhnutie<\/strong>: V\u00e1kuov\u00e9 ventily sa pod\u013ea potreby zatvoria a odliatok sa po stuhnut\u00ed dokon\u010d\u00ed.<\/li>\n<li aria-level=\"1\"><strong>Otvorenie a vyhodenie<\/strong>: Forma sa otvor\u00ed, aktivuj\u00fa sa vyhadzovacie kol\u00edky a diel sa vyberie. N\u00e1sledne sa oddelia otrepy a vtoky.<\/li>\n<\/ol>\n<p>Jednotliv\u00e9 kroky musia by\u0165 presne zos\u00faladen\u00e9. Ak kov doraz\u00ed sk\u00f4r, ne\u017e v\u00e1kuum dosiahne nastaven\u00fa hodnotu, zachyt\u00e1vanie plynov prudko narastie. Oneskoren\u00e9 zatvorenie ventilu m\u00f4\u017ee navy\u0161e vtiahnu\u0165 tekut\u00fd kov do v\u00e1kuov\u00e9ho okruhu.<\/p>\n<h3>K\u013e\u00fa\u010dov\u00e9 parametre procesu v\u00e1kuov\u00e9ho tlakov\u00e9ho liatia<\/h3>\n<ul>\n<li><strong>\u00darove\u0148 v\u00e1kua<\/strong>: Na v\u00fdznamn\u00e9 zn\u00ed\u017eenie p\u00f3rovitosti mnoh\u00ed v\u00fdrobcovia cielia na hodnotu &lt;100 mbar. Pri dieloch s vysok\u00fdmi po\u017eiadavkami na integritu sa \u010dasto pou\u017e\u00edvaj\u00fa hodnoty v desiatkach mbar.<\/li>\n<li><strong>Na\u010dasovanie<\/strong>: V\u00e1kuum mus\u00ed dosiahnu\u0165 nastaven\u00fa hodnotu pred t\u00fdm, ako kov doraz\u00ed k vtoku, a mus\u00ed sa udr\u017eiava\u0165 po\u010das kritickej f\u00e1zy plnenia. Pri tenkostenn\u00fdch odliatkoch m\u00f4\u017eu by\u0165 d\u00f4le\u017eit\u00e9 aj oneskorenia 50\u2013100 ms.<\/li>\n<li><strong>R\u00fdchlos\u0165 kovu vo vtoku a \u010das plnenia<\/strong>: R\u00fdchle a riaden\u00e9 plnenie (pri hlin\u00edku \u010dasto 30\u201360 m\/s vo vtoku, pod\u013ea geometrie) obmedzuje oxid\u00e1ciu povrchu a studen\u00e9 spoje a z\u00e1rove\u0148 udr\u017eiava turbulencie pod kontrolou.<\/li>\n<li><strong>Teploty<\/strong>: Teplota taveniny mus\u00ed zabezpe\u010di\u0165 dostato\u010dn\u00fa tekutos\u0165 (napr\u00edklad pri hlin\u00edkov\u00fdch zliatin\u00e1ch zvy\u010dajne 660\u2013720\u00b0C pod\u013ea chemick\u00e9ho zlo\u017eenia). Teplotu formy treba stabilizova\u0165, aby sa predi\u0161lo pred\u010dasn\u00e9mu tuhnutiu a prilepovaniu zliatiny. Konzistentnos\u0165 je d\u00f4le\u017eitej\u0161ia ne\u017e extr\u00e9mne hodnoty.<\/li>\n<li><strong>Mazanie a podmienky vstrekovacej komory<\/strong>: Spr\u00e1vne mazanie piesta a riadenie teploty komory predch\u00e1dzaj\u00fa tvorbe plynov a stabilizuj\u00fa plnenie v prvej f\u00e1ze.<\/li>\n<\/ul>\n<p>Riadenie procesu sp\u00e1ja tieto parametre do opakovate\u013en\u00e9ho pracovn\u00e9ho okna. Mnoh\u00e9 prev\u00e1dzky pou\u017e\u00edvaj\u00fa uzavret\u00fa regul\u00e1ciu vstrekovania, ktor\u00e1 v re\u00e1lnom \u010dase upravuje profily r\u00fdchlosti pod\u013ea sp\u00e4tnej v\u00e4zby tlaku v dutine.<\/p>\n<h2>V\u00fdhody a obmedzenia<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1364\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/2-1.jpg\" alt=\"Rady dielov z v\u00e1kuov\u00e9ho tlakov\u00e9ho liatia\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/2-1.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/2-1-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/2-1-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/2-1-18x10.jpg 18w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/2-1-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Vynikaj\u00face mechanick\u00e9 vlastnosti: menej p\u00f3rovitosti<\/h3>\n<p>Odstr\u00e1nen\u00edm plynov v\u00e1kuov\u00e9 tlakov\u00e9 liatie zni\u017euje povrchov\u00fa aj vn\u00fatorn\u00fa p\u00f3rovitos\u0165. Tlakovo liate diely tak dosahuj\u00fa <strong>vy\u0161\u0161iu hustotu, dlh\u0161iu \u00fanavov\u00fa \u017eivotnos\u0165 a men\u0161\u00ed rozptyl pevnosti v \u0165ahu a pred\u013a\u017eenia<\/strong>. Napr\u00edklad <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/?product_cat=aluminium-die-casting-parts\">hlin\u00edkov\u00e9 tlakov\u00e9 odliatky<\/a><\/span> vyroben\u00e9 pri spo\u013eahlivo riadenom v\u00e1kuu \u010dasto dosahuj\u00fa pred\u013a\u017eenie vhodn\u00e9 na tepeln\u00e9 spracovanie T6, ktor\u00e9 pri be\u017enom HPDC nie je mo\u017en\u00e9 dosahova\u0165 konzistentne.<\/p>\n<h3>Vy\u0161\u0161ia kvalita dielov: \u010dist\u00fd povrch bez netesnost\u00ed<\/h3>\n<p><strong>\u010cistej\u0161ie \u010delo toku a men\u0161ie turbulencie<\/strong> prin\u00e1\u0161aj\u00fa jemnej\u0161\u00ed povrch a menej vzh\u013eadov\u00fdch ch\u00fdb. E\u0161te d\u00f4le\u017eitej\u0161ie je, \u017ee odliatky dosahuj\u00fa <strong>tesnos\u0165<\/strong> bez potreby impregn\u00e1cie pri mnoh\u00fdch kon\u0161trukci\u00e1ch. V\u010faka obmedzeniu plynovej p\u00f3rovitosti diely zn\u00e1\u0161aj\u00fa zv\u00e1ranie (MIG\/TIG) a predv\u00eddate\u013ene reaguj\u00fa na rozp\u00fa\u0161\u0165acie \u017e\u00edhanie a umel\u00e9 starnutie, bez p\u013euzgierov \u010di deform\u00e1ci\u00ed sp\u00f4soben\u00fdch rozp\u00ednan\u00edm plynu.<\/p>\n<h3>Obmedzenia v\u00e1kuov\u00e9ho tlakov\u00e9ho liatia<\/h3>\n<p class=\"ds-markdown-paragraph\">V\u00e1kuov\u00e9 tlakov\u00e9 liatie je vhodn\u00e9 najm\u00e4 pre <strong>hlin\u00edk a hor\u010d\u00edk<\/strong>, preto\u017ee vysok\u00e9 teploty a reaktivita \u017eelezn\u00fdch zliatin ich vo v\u0161eobecnosti robia pre tento proces nevhodn\u00fdmi.<\/p>\n<p class=\"ds-markdown-paragraph\">Z prev\u00e1dzkov\u00e9ho h\u013eadiska si t\u00e1to met\u00f3da vy\u017eaduje <strong>n\u00e1ro\u010dn\u00e9 zariadenia a \u00fadr\u017ebu<\/strong>. Potrebuje d\u00f4kladne utesnen\u00e9 n\u00e1stroje, spo\u013eahliv\u00fa v\u00e1kuov\u00fa techniku a pr\u00edsny pl\u00e1n \u00fadr\u017eby, ktor\u00fd rie\u0161i opotrebovanie O-kr\u00fa\u017ekov a deliacej roviny aj usadzovanie uhl\u00edka na ventiloch.<\/p>\n<p class=\"ds-markdown-paragraph\">Pri ve\u013ekos\u00e9riov\u00fdch alebo kritick\u00fdch aplik\u00e1ci\u00e1ch sa v\u0161ak t\u00e1to invest\u00edcia \u010dasto vr\u00e1ti v\u010faka vy\u0161\u0161ej v\u00fd\u0165a\u017enosti, men\u0161iemu mno\u017estvu opr\u00e1v a mo\u017enosti spoji\u0165 viac dielov a n\u00e1sledne ich tepelne spracova\u0165.<\/p>\n<h2>Pou\u017eitie v\u00e1kuov\u00e9ho tlakov\u00e9ho liatia<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1365\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/3-1.jpg\" alt=\"Diely motora z v\u00e1kuov\u00e9ho tlakov\u00e9ho liatia\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/3-1.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/3-1-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/3-1-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/3-1-18x10.jpg 18w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/10\/3-1-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<div class=\"dad65929\">\n<div class=\"_4f9bf79 d7dc56a8 _43c05b5\">\n<div class=\"ds-message _63c77b1\">\n<div class=\"ds-markdown\">\n<div class=\"ds-scroll-area _1210dd7\">\n<table style=\"width: 100.027%;\">\n<thead>\n<tr>\n<th style=\"width: 22.6055%;\">Odvetvie<\/th>\n<th style=\"width: 27.3694%;\">Konkr\u00e9tne aplik\u00e1cie<\/th>\n<th style=\"width: 50.1034%;\">K\u013e\u00fa\u010dov\u00e9 po\u017eiadavky<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 22.6055%;\"><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/automotive-die-casting-parts\/\"><strong>Automobilov\u00fd priemysel<\/strong><\/a><\/span><\/td>\n<td style=\"width: 27.3694%;\">Ve\u017ee zavesenia kolies, uzly pomocn\u00e9ho r\u00e1mu, skrine prevodoviek a bloky motorov.<\/td>\n<td style=\"width: 50.1034%;\">Tesnos\u0165 pri tlakovom za\u0165a\u017een\u00ed, odolnos\u0165 proti tlaku a vysok\u00e1 pevnos\u0165 pre bezpe\u010dnos\u0165 kon\u0161trukcie.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.6055%;\"><strong>Elektrick\u00e9 vozidl\u00e1 (EV)<\/strong><\/td>\n<td style=\"width: 27.3694%;\">Kryty bat\u00e9ri\u00ed a meni\u010dov, skrine elektrick\u00fdch n\u00e1prav a komponenty zavesenia kolies.<\/td>\n<td style=\"width: 50.1034%;\">Odolnos\u0165 proti tepeln\u00fdm cyklom, elektromagnetick\u00e9 tienenie a pr\u00edsna tesnos\u0165 chladiacich syst\u00e9mov.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.6055%;\"><strong>Leteck\u00fd a kozmick\u00fd priemysel<\/strong><\/td>\n<td style=\"width: 27.3694%;\">Kon\u0161truk\u010dn\u00e9 odliatky drakov lietadiel, kryty avioniky a komponenty bezpilotn\u00fdch lietadiel.<\/td>\n<td style=\"width: 50.1034%;\">Maxim\u00e1lne zn\u00ed\u017eenie hmotnosti, d\u00f4sledn\u00e1 kontrola p\u00f3rovitosti a vysok\u00e1 \u00fanavov\u00e1 \u017eivotnos\u0165.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.6055%;\"><strong>Zlo\u017eit\u00e9 geometrie<\/strong><\/td>\n<td style=\"width: 27.3694%;\">Komponenty s tenk\u00fdmi stenami, dlh\u00fdmi rebrami a zlo\u017eit\u00fdmi mrie\u017ekov\u00fdmi \u0161trukt\u00farami.<\/td>\n<td style=\"width: 50.1034%;\">Vyrobite\u013enos\u0165 zlo\u017eit\u00fdch n\u00e1vrhov, stabilita pri tepelnom spracovan\u00ed a obrobite\u013enos\u0165 bez odhalenia ch\u00fdb.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"_871cbca\"><\/div>\n<div class=\"dad65929\"><\/div>\n<h2>Udr\u017eate\u013enos\u0165 a bud\u00face trendy<\/h2>\n<h3 class=\"ds-markdown-paragraph\">Vy\u0161\u0161ia efektivita a ni\u017e\u0161ie emisie<\/h3>\n<p class=\"ds-markdown-paragraph\">V\u00e1kuov\u00e9 tlakov\u00e9 liatie podporuje udr\u017eate\u013en\u00fa v\u00fdrobu, preto\u017ee zni\u017euje po\u010det chybn\u00fdch dielov. Menej odpadu znamen\u00e1, \u017ee treba znovu roztavi\u0165 menej kovu, \u010do v\u00fdrazne zni\u017euje spotrebu energie aj s\u00favisiace emisie. Obmedzuje sa tie\u017e spotreba \u010fal\u0161\u00edch zdrojov, napr\u00edklad tesniacich chemik\u00e1li\u00ed. Ke\u010f\u017ee v\u00e4\u010d\u0161ina zlievarn\u00ed u\u017e recykluje kovov\u00fd odpad priamo v prev\u00e1dzke, vy\u0161\u0161ia v\u00fd\u0165a\u017enos\u0165 tento recykla\u010dn\u00fd cyklus v\u00fdrazne zefekt\u00edv\u0148uje.<\/p>\n<h3 class=\"ds-markdown-paragraph\">Pokro\u010dil\u00e9 technol\u00f3gie a automatiz\u00e1cia<\/h3>\n<p class=\"ds-markdown-paragraph\">V\u010faka technol\u00f3gi\u00e1m je proces \u010doraz presnej\u0161\u00ed. <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/blog\/mold-flow-analysis-insights-for-injection-molding-success\/\">Simula\u010dn\u00fd softv\u00e9r<\/a><\/span> modeluje odlievanie a v\u00e1kuov\u00fd syst\u00e9m, aby sa n\u00e1vrh optimalizoval e\u0161te pred za\u010diatkom v\u00fdroby. Po\u010das odlievania digit\u00e1lne dvoj\u010dat\u00e1 a uzavret\u00e9 regula\u010dn\u00e9 slu\u010dky vyu\u017e\u00edvaj\u00fa \u00fadaje zo sn\u00edma\u010dov v re\u00e1lnom \u010dase a zabezpe\u010duj\u00fa, aby ka\u017ed\u00fd vstrek zodpovedal optim\u00e1lnym parametrom. Pom\u00e1haj\u00fa tomu kvalitnej\u0161ie v\u00e1kuov\u00e9 zariadenia, \u0161pecializovan\u00e9 zliatiny a \u0161ir\u0161ie vyu\u017eitie robotiky, v\u010faka \u010domu je proces vysoko automatizovan\u00fd, spo\u013eahliv\u00fd a sp\u013a\u0148a pr\u00edsne priemyseln\u00e9 normy.<\/p>\n<h2>Z\u00e1ver<\/h2>\n<p>Hoci mo\u017eno po\u010diatky v\u00e1kuov\u00e9ho tlakov\u00e9ho liatia h\u013eada\u0165 v 1970-tych rokoch alebo e\u0161te sk\u00f4r, v porovnan\u00ed s tradi\u010dn\u00fdm tlakov\u00fdm liat\u00edm ide st\u00e1le o relat\u00edvne nov\u00fa a rozv\u00edjaj\u00facu sa oblas\u0165. Je v\u0161ak najpraktickej\u0161\u00edm z\u00e1sadn\u00fdm zlep\u0161en\u00edm v pr\u00edpadoch, ke\u010f s\u00fa p\u00f3rovitos\u0165, zv\u00e1rate\u013enos\u0165 alebo reakcia na tepeln\u00e9 spracovanie nevyhnutn\u00fdmi po\u017eiadavkami.<\/p>\n<p>V\u010faka v\u00e1kuov\u00e9mu tlakov\u00e9mu liatiu sa po\u010diato\u010dn\u00e1 invest\u00edcia do n\u00e1strojov, zariaden\u00ed a \u0161kolen\u00ed vracia vo forme vy\u0161\u0161ej v\u00fd\u0165a\u017enosti. V\u00fdrobcovia m\u00f4\u017eu sebavedomej\u0161ie zvl\u00e1da\u0165 n\u00e1ro\u010dn\u00e9 po\u017eiadavky na rozmerov\u00fa presnos\u0165 a kon\u0161trukciu nosn\u00fdch dielov.<\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>Ktor\u00e9 zliatiny z\u00edskavaj\u00fa z v\u00e1kuov\u00e9ho tlakov\u00e9ho liatia najv\u00e4\u010d\u0161\u00ed \u00fa\u017eitok?<\/h3>\n<p>Ako u\u017e bolo uveden\u00e9, touto met\u00f3dou mo\u017eno sprac\u00fava\u0165 hlin\u00edk a hor\u010d\u00edk. Mimoriadne v\u00fdrazn\u00fd pr\u00ednos v\u0161ak prin\u00e1\u0161a pri <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/aluminium-die-casting-parts\/\">hlin\u00edkov\u00fdch zliatin\u00e1ch<\/a><\/span>. Tieto zliatiny s\u00fa n\u00e1chyln\u00e9 na zachyt\u00e1vanie plynov a vod\u00edkov\u00fa p\u00f3rovitos\u0165, \u010do v\u00fdrazne obmedzuje ich tepeln\u00e9 spracovanie. V\u00e1kuov\u00e9 tlakov\u00e9 liatie je preto najvhodnej\u0161ie pre vysokopevnostn\u00e9 hlin\u00edkov\u00e9 zliatiny, napr\u00edklad <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/product\/a356-aluminum-casting-for-cover\/\">A356<\/a><\/span> alebo 360, ur\u010den\u00e9 na tepeln\u00e9 spracovanie T5 alebo T6. Odstr\u00e1ni sa tak plyn, ktor\u00fd by inak sp\u00f4soboval p\u013euzgiere a zni\u017eoval pevnos\u0165.<\/p>\n<h3>Ako sa n\u00e1klady na v\u00e1kuov\u00e9 tlakov\u00e9 liatie porovn\u00e1vaj\u00fa s in\u00fdmi met\u00f3dami odlievania s n\u00edzkou p\u00f3rovitos\u0165ou, napr\u00edklad s liat\u00edm pod tlakom alebo odlievan\u00edm polotuh\u00e9ho kovu (SSM)?<\/h3>\n<p>V\u00e1kuov\u00e9 tlakov\u00e9 liatie sa v porovnan\u00ed s liat\u00edm pod tlakom alebo SSM \u010dasto vol\u00ed ako n\u00e1kladovo efekt\u00edvnej\u0161ie rie\u0161enie pre ve\u013ekos\u00e9riov\u00fa v\u00fdrobu. V\u0161etky tieto met\u00f3dy zni\u017euj\u00fa p\u00f3rovitos\u0165, no liatie pod tlakom si vy\u017eaduje \u0161pecializovan\u00e9 a \u010dasto pomal\u0161ie stroje, zatia\u013e \u010do SSM pou\u017e\u00edva zlo\u017eit\u00fd vstupn\u00fd materi\u00e1l. V\u00e1kuov\u00e9 tlakov\u00e9 liatie vyu\u017e\u00edva be\u017en\u00e9 vysokotlakov\u00e9 stroje doplnen\u00e9 o v\u00e1kuov\u00fd syst\u00e9m, a preto je vhodn\u00e9 na v\u00fdrobu mili\u00f3nov kvalitn\u00fdch dielov pri konkurencieschopnom \u010dase cyklu.<\/p>\n<h3>Existuj\u00fa zlo\u017eit\u00e9 tvary, ktor\u00e9 nie s\u00fa vhodn\u00e9 na v\u00e1kuov\u00e9 tlakov\u00e9 liatie?<\/h3>\n<p>\u00c1no, proces m\u00e1 svoje obmedzenia. Ve\u013emi hlbok\u00e9 a \u00fazke \u201evreck\u00e1\u201c m\u00f4\u017eu predstavova\u0165 probl\u00e9m, preto\u017ee v\u00e1kuum z nich nemus\u00ed \u00fa\u010dinne odsa\u0165 vzduch sk\u00f4r, ako ich kov uzavrie. Umiestnenie \u00fa\u010dinn\u00fdch v\u00e1kuov\u00fdch kan\u00e1lov m\u00f4\u017eu komplikova\u0165 aj vn\u00fatorn\u00e9 jadr\u00e1, ktor\u00e9 vytv\u00e1raj\u00fa zlo\u017eit\u00e9, segmentovan\u00e9 dutiny. V odliatku tak m\u00f4\u017eu zosta\u0165 izolovan\u00e9 kapsy plynu.<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ke\u010f v\u00fdroba potrebuje zn\u00ed\u017ei\u0165 riziko netesnost\u00ed, deform\u00e1ci\u00ed alebo trhl\u00edn pri tlakovom liat\u00ed, be\u017en\u00e9 vysokotlakov\u00e9 tlakov\u00e9 liatie niekedy nesta\u010d\u00ed. Odborn\u00edci preto t\u00fato technol\u00f3giu roz\u0161\u00edrili o v\u00e1kuov\u00e9 tlakov\u00e9 liatie ako rie\u0161enie na v\u00fdrobu kvalitn\u00fdch dielov. V \u010dl\u00e1nku sa dozviete o princ\u00edpe, fungovan\u00ed a oblastiach pou\u017eitia tohto v\u00fdznamn\u00e9ho pokroku v technol\u00f3gii tlakov\u00e9ho liatia. \u010co je v\u00e1kuov\u00e9 tlakov\u00e9 liatie [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18523,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"V\u00e1kuov\u00e9 tlakov\u00e9 liatie: vysvetlenie procesu, v\u00fdhod a pou\u017eitia","_seopress_titles_desc":"V\u00e1kuov\u00e9 tlakov\u00e9 liatie vyu\u017e\u00edva v\u00e1kuov\u00fd syst\u00e9m na odstr\u00e1nenie vzduchu a plynov po\u010das vstrekovania kovu, \u010d\u00edm obmedzuje p\u00f3rovitos\u0165 a chyby.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"iawp_total_views":937,"footnotes":""},"categories":[189],"tags":[],"class_list":["post-18049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/18049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/comments?post=18049"}],"version-history":[{"count":6,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/18049\/revisions"}],"predecessor-version":[{"id":20601,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/18049\/revisions\/20601"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/media\/18523"}],"wp:attachment":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/media?parent=18049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/categories?post=18049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/tags?post=18049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}