{"id":17863,"date":"2025-03-31T13:43:24","date_gmt":"2025-03-31T05:43:24","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=17863"},"modified":"2026-10-08T21:05:10","modified_gmt":"2026-10-08T13:05:10","slug":"low-pressure-die-casting","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/sk\/blog\/low-pressure-die-casting\/","title":{"rendered":"N\u00edzkotlakov\u00e9 liatie: sprievodca efekt\u00edvnym tvarovan\u00edm kovov"},"content":{"rendered":"<h2><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-710\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-3.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-3.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-3-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-3-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-3-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/h2>\n<h2>Preh\u013ead n\u00edzkotlakov\u00e9ho liatia<\/h2>\n<p>N\u00edzkotlakov\u00e9 <a href=\"https:\/\/moldiecasting.com\/sk\/blog\/high-pressure-die-casting\/\">tlakov\u00e9 liatie<\/a> je proces tvarovania kovov, pri ktorom sa roztaven\u00fd kov riaden\u00fdm tlakom pln\u00ed do foriem a vytv\u00e1ra kvalitn\u00e9 s\u00fa\u010diastky. V porovnan\u00ed s tradi\u010dn\u00fdmi met\u00f3dami odlievania pon\u00faka lep\u0161iu kvalitu a presnos\u0165.<\/p>\n<h3>Defin\u00edcia a princ\u00edpy<\/h3>\n<p>Pri n\u00edzkotlakovom liat\u00ed (LPDC) sa roztaven\u00fd kov tlakom vytl\u00e1\u010da smerom nahor do dutiny formy. Pod formou sa nach\u00e1dza tlakov\u00e1 pec s roztaven\u00fdm kovom. Po zv\u00fd\u0161en\u00ed tlaku (zvy\u010dajne 0.2-1.0 bar) kov st\u00fapa pr\u00edvodnou r\u00farkou do formy.<\/p>\n<p>Kov pln\u00ed formu pomaly a rovnomerne, tak\u017ee vznik\u00e1 menej ch\u00fdb ne\u017e pri in\u00fdch met\u00f3dach odlievania. Po stuhnut\u00ed kovu sa tlak uvo\u013en\u00ed a nepou\u017eit\u00fd kov ste\u010die sp\u00e4\u0165 do pece.<\/p>\n<h3>Hist\u00f3ria a v\u00fdvoj<\/h3>\n<p>N\u00edzkotlakov\u00e9 liatie sa roz\u0161\u00edrilo v polovici 20. storo\u010dia, ke\u010f v\u00fdrobcovia h\u013eadali efekt\u00edvnej\u0161ie met\u00f3dy odlievania. Jeho ran\u00fd v\u00fdvoj v\u00fdrazne podporil automobilov\u00fd priemysel, ktor\u00fd h\u013eadal sp\u00f4soby v\u00fdroby \u013eah\u0161\u00edch a pevnej\u0161\u00edch komponentov.<\/p>\n<p>Proces si z\u00edskal ob\u013eubu v 50. a 60. rokoch 20. storo\u010dia, ke\u010f automobilky za\u010dali pou\u017e\u00edva\u0165 t\u00fato met\u00f3du na v\u00fdrobu kolies a s\u00fa\u010dast\u00ed motorov.<\/p>\n<p>Postupom \u010dasu sa v\u010faka zlep\u0161eniu syst\u00e9mov regul\u00e1cie tlaku, n\u00e1vrhu foriem a kovov\u00fdch zliatin stal proces spo\u013eahlivej\u0161\u00edm a univerz\u00e1lnej\u0161\u00edm. Po\u010d\u00edta\u010dov\u00e9 modelovanie dnes pom\u00e1ha optimalizova\u0165 plnenie a chladenie formy.<\/p>\n<h2>Zariadenia a stroje<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-711\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>N\u00edzkotlakov\u00e9 liatie si vy\u017eaduje <a href=\"https:\/\/moldiecasting.com\/sk\/blog\/aluminum-die-casting-machine\/\">\u0161pecializovan\u00e9 vybavenie<\/a> na dosiahnutie kvalitn\u00fdch v\u00fdsledkov.<\/p>\n<h3>Kon\u0161trukcia a materi\u00e1ly formy<\/h3>\n<p>Formy na n\u00edzkotlakov\u00e9 liatie sa zvy\u010dajne vyr\u00e1baj\u00fa z n\u00e1strojovej ocele H13, ktor\u00e1 vynik\u00e1 tepelnou odolnos\u0165ou a trv\u00e1cnos\u0165ou. Maj\u00fa zlo\u017eit\u00e9 chladiace kan\u00e1ly navrhnut\u00e9 na riadenie r\u00fdchlosti tuhnutia a predch\u00e1dzanie chyb\u00e1m, ako s\u00fa p\u00f3rovitos\u0165 a zmr\u0161\u0165ovanie.<\/p>\n<p>Kon\u0161trukcia formy zvy\u010dajne zah\u0155\u0148a:<\/p>\n<ul>\n<li>Viacero dut\u00edn na zv\u00fd\u0161enie v\u00fdrobnej kapacity<\/li>\n<li>Starostlivo umiestnen\u00e9 odvzdu\u0161\u0148ovacie otvory na \u00fanik zachyten\u00fdch plynov<\/li>\n<li>Vyhadzovacie kol\u00edky na plynul\u00e9 vybratie s\u00fa\u010diastky<\/li>\n<\/ul>\n<p>Formy musia odol\u00e1va\u0165 opakovan\u00fdm cyklom zahrievania a chladenia bez praskania.<\/p>\n<p>Niektor\u00ed v\u00fdrobcovia dnes<a href=\"https:\/\/moldiecasting.com\/sk\/how-we-work\/\"> vyu\u017e\u00edvaj\u00fa 3D tla\u010d<\/a> na v\u00fdrobu foriem s konformn\u00fdmi chladiacimi kan\u00e1lmi kop\u00edruj\u00facimi obrysy s\u00fa\u010diastky. T\u00fdm sa zlep\u0161uje \u00fa\u010dinnos\u0165 chladenia a skracuje \u010das cyklu.<\/p>\n<h3>Pece a syst\u00e9my na udr\u017eiavanie teploty<\/h3>\n<p>Syst\u00e9m pece je z\u00e1kladom ka\u017edej prev\u00e1dzky n\u00edzkotlakov\u00e9ho liatia. Zvy\u010dajne sa pou\u017e\u00edvaj\u00fa odporov\u00e9 elektrick\u00e9 pece, ktor\u00e9 presne reguluj\u00fa teplotu roztaven\u00e9ho kovu.<\/p>\n<p>V\u00e4\u010d\u0161ina modern\u00fdch syst\u00e9mov zah\u0155\u0148a:<\/p>\n<ul>\n<li>Udr\u017eiavacie pece s kapacitou 300-2000 kg<\/li>\n<li>Syst\u00e9my regul\u00e1cie teploty (presnos\u0165 \u00b15\u00b0C)<\/li>\n<li>Tlakov\u00e9 komory na vytl\u00e1\u010danie kovu do formy<\/li>\n<\/ul>\n<p>Pec sa s formou sp\u00e1ja st\u00fapacou r\u00farkou, zvy\u010dajne z keramick\u00fdch materi\u00e1lov odoln\u00fdch vo\u010di vysok\u00fdm teplot\u00e1m. R\u00farka dopravuje roztaven\u00fd kov z pece do dutiny formy.<\/p>\n<p>Niektor\u00e9 syst\u00e9my dnes obsahuj\u00fa dve komory \u2013 jednu na tavenie a druh\u00fa na udr\u017eiavanie teploty. To umo\u017e\u0148uje lep\u0161iu kontrolu kvality kovu a z\u00e1rove\u0148 plynul\u00fa v\u00fdrobu.<\/p>\n<h3>Riadiace a monitorovacie syst\u00e9my<\/h3>\n<p>Modern\u00e9 stroje na n\u00edzkotlakov\u00e9 liatie maj\u00fa sofistikovan\u00e9 riadiace syst\u00e9my, ktor\u00e9 monitoruj\u00fa v\u0161etky aspekty procesu.<\/p>\n<p>Medzi k\u013e\u00fa\u010dov\u00e9 funkcie riadenia patria:<\/p>\n<ul>\n<li>Programovate\u013en\u00e9 tlakov\u00e9 profily (zvy\u010dajne 0.2-1.0 bar)<\/li>\n<li>Monitorovanie teploty v re\u00e1lnom \u010dase na viacer\u00fdch miestach<\/li>\n<li>Automatick\u00e9 syst\u00e9my mazania foriem<\/li>\n<li>Riadenie \u010dasovania cyklu<\/li>\n<\/ul>\n<p>V\u00e4\u010d\u0161ina strojov pou\u017e\u00edva syst\u00e9my PLC (programovate\u013en\u00fd logick\u00fd automat) s dotykov\u00fdm rozhran\u00edm. Umo\u017e\u0148uj\u00fa ulo\u017ei\u0165 a znovu vyvola\u0165 nastavenia pre r\u00f4zne s\u00fa\u010diastky.<\/p>\n<p>Niektor\u00e9 pokro\u010dil\u00e9 syst\u00e9my dokonca vyu\u017e\u00edvaj\u00fa AI na optimaliz\u00e1ciu parametrov pod\u013ea predch\u00e1dzaj\u00facich v\u00fdrobn\u00fdch cyklov.<\/p>\n<h2>Parametre a optimaliz\u00e1cia procesu<\/h2>\n<p>\u00daspe\u0161n\u00e9 n\u00edzkotlakov\u00e9 liatie z\u00e1vis\u00ed od starostlivej kontroly nieko\u013ek\u00fdch k\u013e\u00fa\u010dov\u00fdch premenn\u00fdch procesu. Spr\u00e1vna kombin\u00e1cia tlaku, teploty a sp\u00f4sobu plnenia priamo ovplyv\u0148uje kvalitu odliatkov aj efekt\u00edvnos\u0165 v\u00fdroby.<\/p>\n<h3>Regul\u00e1cia tlaku<\/h3>\n<p>Typick\u00fd rozsah tlaku pri tomto procese je 0.3 a\u017e 1.5 bar, \u010do je ve\u013emi n\u00edzka hodnota v porovnan\u00ed s in\u00fdmi met\u00f3dami odlievania.<\/p>\n<p>Proces zvy\u010dajne zah\u0155\u0148a viacero tlakov\u00fdch f\u00e1z:<\/p>\n<ul>\n<li><strong>Tlak pri zdv\u00edhan\u00ed<\/strong>: Po\u010diato\u010dn\u00fd tlak, ktor\u00fd vytla\u010d\u00ed roztaven\u00fd kov nahor.<\/li>\n<li><strong>\u010cas zdv\u00edhania<\/strong>: Trvanie p\u00f4sobenia po\u010diato\u010dn\u00e9ho tlaku.<\/li>\n<li><strong>Plniaci tlak<\/strong>: Tlak p\u00f4sobiaci po\u010das plnenia formy.<\/li>\n<li><strong>\u010cas plnenia<\/strong>: \u010cas, po\u010das ktor\u00e9ho sa udr\u017eiava plniaci tlak.<\/li>\n<\/ul>\n<p>Tieto parametre treba starostlivo upravi\u0165 pod\u013ea geometrie konkr\u00e9tnej s\u00fa\u010diastky. Pr\u00edli\u0161 n\u00edzky tlak m\u00f4\u017ee sp\u00f4sobi\u0165 ne\u00fapln\u00e9 vyplnenie, zatia\u013e \u010do nadmern\u00fd tlak m\u00f4\u017ee vyvola\u0165 turbulenciu a zachytenie plynov.<\/p>\n<h3>Riadenie teploty<\/h3>\n<p>Regul\u00e1cia teploty ovplyv\u0148uje tekutos\u0165 kovu aj priebeh tuhnutia odliatkov. Treba sledova\u0165 nieko\u013eko teplotn\u00fdch z\u00f3n:<\/p>\n<p><strong>Teplota roztaven\u00e9ho kovu<\/strong> sa mus\u00ed udr\u017eiava\u0165 v \u00fazkom rozsahu vhodnom pre konkr\u00e9tnu zliatinu.<\/p>\n<p><strong>Teplota formy<\/strong> sa reguluje pomocou vykurovac\u00edch a chladiacich kan\u00e1lov. Nerovnomern\u00e1 teplota formy m\u00f4\u017ee sp\u00f4sobi\u0165 chyby, ako s\u00fa studen\u00e9 spoje alebo pred\u010dasn\u00e9 tuhnutie.<\/p>\n<p><strong>R\u00fdchlos\u0165 chladenia<\/strong> ovplyv\u0148uje mikro\u0161trukt\u00faru a mechanick\u00e9 vlastnosti hotov\u00e9ho v\u00fdrobku. Zvy\u010dajne sa reguluje vhodn\u00fdm umiestnen\u00edm chladiacich kan\u00e1lov a prietokom chladiacej kvapaliny.<\/p>\n<h3>Techniky plnenia formy<\/h3>\n<p>Sp\u00f4sob, ak\u00fdm kov vtek\u00e1 do formy, v\u00fdrazne ovplyv\u0148uje kvalitu odliatku. Riaden\u00e9 a plynul\u00e9 plnenie zni\u017euje turbulenciu aj zachyt\u00e1vanie plynov.<\/p>\n<p><strong>Regul\u00e1cia r\u00fdchlosti plnenia<\/strong> sa dosahuje presn\u00fdm p\u00f4soben\u00edm tlaku. Ide\u00e1lna r\u00fdchlos\u0165 plnenia z\u00e1vis\u00ed od zlo\u017eitosti s\u00fa\u010diastky. Tenk\u00e9 \u010dasti zvy\u010dajne treba plni\u0165 r\u00fdchlej\u0161ie, aby kov pred\u010dasne nestuhol.<\/p>\n<p><strong>N\u00e1vrh vtokovej s\u00fastavy<\/strong> spolupracuje s tlakov\u00fdmi parametrami a usmer\u0148uje tok kovu.<\/p>\n<h2>Materi\u00e1ly pou\u017e\u00edvan\u00e9 pri n\u00edzkotlakovom liat\u00ed<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-709\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-2.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-2.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-2-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-2-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/03\/Low-Pressure-Die-Casting-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Hlin\u00edkov\u00e9 zliatiny<\/h3>\n<p><a href=\"https:\/\/moldiecasting.com\/sk\/blog\/magnesium-vs-aluminum\/\">Hlin\u00edk<\/a> je najbe\u017enej\u0161\u00edm kovom pou\u017e\u00edvan\u00fdm pri n\u00edzkotlakovom liat\u00ed.<\/p>\n<p>Ob\u013e\u00faben\u00e9 hlin\u00edkov\u00e9 zliatiny A356 a A357 pon\u00fakaj\u00fa pri odlievan\u00ed vynikaj\u00facu tekutos\u0165 a po stuhnut\u00ed dobr\u00fa pevnos\u0165.<\/p>\n<p>Jednou z v\u00fdhod hlin\u00edka je jeho recyklovate\u013enos\u0165, v\u010faka ktorej je v porovnan\u00ed s niektor\u00fdmi alternat\u00edvami \u0161etrnej\u0161\u00ed k \u017eivotn\u00e9mu prostrediu.<\/p>\n<h3>Hor\u010d\u00edkov\u00e9 zliatiny<\/h3>\n<p>Hor\u010d\u00edkov\u00e9 zliatiny s\u00fa e\u0161te \u013eah\u0161ie ne\u017e hlin\u00edk, preto s\u00fa \u010doraz ob\u013e\u00fabenej\u0161ie v odvetviach, kde je zn\u00ed\u017eenie hmotnosti z\u00e1sadn\u00e9. S\u00fa pribli\u017ene o 33% \u013eah\u0161ie ne\u017e hlin\u00edk a o 75% \u013eah\u0161ie ne\u017e oce\u013e.<\/p>\n<p>Medzi be\u017en\u00e9 hor\u010d\u00edkov\u00e9 zliatiny na n\u00edzkotlakov\u00e9 liatie patria AZ91D a AM60B. Pon\u00fakaj\u00fa vynikaj\u00faci pomer pevnosti k hmotnosti a dobr\u00fa odlievate\u013enos\u0165 pri n\u00edzkotlakovom procese.<\/p>\n<p>Hor\u010d\u00edk m\u00e1 v\u00fdborn\u00e9 vlastnosti z h\u013eadiska tlmenia vibr\u00e1ci\u00ed, preto sa \u010dasto pou\u017e\u00edva v krytoch elektroniky a elektrick\u00e9ho n\u00e1radia.<\/p>\n<h3>Zliatiny medi<\/h3>\n<p><a href=\"https:\/\/moldiecasting.com\/sk\/blog\/copper-die-casting\/\">Me\u010f<\/a> prin\u00e1\u0161a do n\u00edzkotlakov\u00e9ho liatia jedine\u010dn\u00e9 vlastnosti vr\u00e1tane vynikaj\u00facej elektrickej a tepelnej vodivosti.<\/p>\n<p>Medzi be\u017ene pou\u017e\u00edvan\u00e9 zliatiny medi patr\u00ed bronz a r\u00f4zne druhy mosadze, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa pri vodoin\u0161tala\u010dn\u00fdch armat\u00farach, lodnom vybaven\u00ed a elektrick\u00fdch konektoroch. V\u010faka prirodzen\u00fdm antimikrobi\u00e1lnym vlastnostiam s\u00fa u\u017eito\u010dn\u00e9 aj pri v\u00fdrobe zdravotn\u00edckych zariaden\u00ed.<\/p>\n<h2>V\u00fdhody a obmedzenia LPDC<\/h2>\n<h3>Kvalita a presnos\u0165<\/h3>\n<p>N\u00edzkotlakov\u00e9 liatie vytv\u00e1ra s\u00fa\u010diastky s vynikaj\u00facou pevnos\u0165ou a mechanick\u00fdmi vlastnos\u0165ami. Pomal\u00e9, riaden\u00e9 plnenie zni\u017euje turbulenciu a zachyt\u00e1vanie vzduchu, tak\u017ee v porovnan\u00ed s vysokotlakov\u00fdm liat\u00edm vznik\u00e1 menej ch\u00fdb a probl\u00e9mov s p\u00f3rovitos\u0165ou.<\/p>\n<p>LPDC dosahuje kvalitnej\u0161\u00ed povrch, \u010do m\u00f4\u017ee obmedzi\u0165 potrebu dodato\u010dn\u00fdch povrchov\u00fdch \u00faprav. Vo v\u00fdrobnej linke sa t\u00fdm \u0161etr\u00ed \u010das aj zdroje.<\/p>\n<p>Proces umo\u017e\u0148uje presnej\u0161ie riadi\u0165 tok kovu a dosahova\u0165 konzistentnej\u0161iu kvalitu s\u00fa\u010diastok v jednotliv\u00fdch v\u00fdrobn\u00fdch s\u00e9ri\u00e1ch. N\u00edzkotlakov\u00fdm liat\u00edm mo\u017eno dosiahnu\u0165 u\u017e\u0161ie tolerancie a vy\u0161\u0161iu rozmerov\u00fa presnos\u0165.<\/p>\n<p>Pri LPDC mo\u017eno pou\u017ei\u0165 pieskov\u00e9 jadr\u00e1 a vytv\u00e1ra\u0165 zlo\u017eitej\u0161ie vn\u00fatorn\u00e9 geometrie, ktor\u00e9 by sa vysokotlakov\u00fdmi met\u00f3dami vyr\u00e1bali \u0165a\u017eko alebo v\u00f4bec.<\/p>\n<h3>Ekonomick\u00e1 efekt\u00edvnos\u0165<\/h3>\n<p>N\u00e1klady na zariadenia pre n\u00edzkotlakov\u00e9 liatie s\u00fa vo v\u0161eobecnosti ni\u017e\u0161ie ne\u017e pri vysokotlakov\u00fdch alternat\u00edvach. V\u010faka tomu je dostupnej\u0161ie pri rozbehu alebo roz\u0161irovan\u00ed prev\u00e1dzky s obmedzen\u00fdm rozpo\u010dtom.<\/p>\n<p>Formy LPDC zvy\u010dajne vydr\u017eia dlh\u0161ie, preto\u017ee s\u00fa vystaven\u00e9 men\u0161iemu opotrebovaniu a tepeln\u00e9mu nam\u00e1haniu ne\u017e vysokotlakov\u00e9 formy. Predl\u017euje sa t\u00fdm \u017eivotnos\u0165 n\u00e1strojov a zvy\u0161uje n\u00e1vratnos\u0165 invest\u00edcie.<\/p>\n<p>V porovnan\u00ed s vysokotlakov\u00fdmi met\u00f3dami b\u00fdva spotreba energie pri LPDC ni\u017e\u0161ia, \u010do m\u00f4\u017ee \u010dasom zn\u00ed\u017ei\u0165 prev\u00e1dzkov\u00e9 n\u00e1klady.<\/p>\n<h3>Obmedzenia materi\u00e1lu a kon\u0161trukcie<\/h3>\n<p>LPDC je univerz\u00e1lne, no jeho cykly s\u00fa pomal\u0161ie ne\u017e pri vysokotlakov\u00fdch met\u00f3dach.<\/p>\n<p>Navy\u0161e nemus\u00ed by\u0165 ide\u00e1lne pre v\u0161etky materi\u00e1ly.<\/p>\n<p>Tento proces m\u00e1 aj obmedzenia z h\u013eadiska ve\u013ekosti. Pri ve\u013emi ve\u013ek\u00fdch komponentoch m\u00f4\u017eu by\u0165 potrebn\u00e9 in\u00e9 v\u00fdrobn\u00e9 met\u00f3dy alebo \u0161pecializovan\u00e9 zariadenia.<\/p>\n<p>LPDC m\u00e1 obmedzenia aj pri hr\u00fabke steny. Ve\u013emi tenkostenn\u00e9 kon\u0161trukcie m\u00f4\u017eu by\u0165 n\u00e1ro\u010dn\u00e9, preto\u017ee vy\u017eaduj\u00fa vy\u0161\u0161ie tlaky dostupn\u00e9 pri HPDC.<\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>Na \u010do sa pou\u017e\u00edva LPDC?<\/h3>\n<ol>\n<li><strong>Automobilov\u00fd priemysel:<\/strong>\u00a0Koles\u00e1, hlavy valcov, bloky motorov, komponenty zavesenia.<\/li>\n<li><strong>Letectvo a kozmonautika:<\/strong>\u00a0Lopatky turb\u00edn, kon\u0161truk\u010dn\u00e9 diely, \u013eahk\u00e9 zliatinov\u00e9 komponenty.<\/li>\n<li><strong>Priemyseln\u00e9 stroje:<\/strong>\u00a0Teles\u00e1 \u010derpadiel, teles\u00e1 ventilov, hydraulick\u00e9 komponenty.<\/li>\n<li><strong>Elektrick\u00e9 zariadenia a elektronika:<\/strong>\u00a0Chladi\u010de, kryty motorov, vodiv\u00e9 s\u00fa\u010diastky.<\/li>\n<li><strong>Spotrebn\u00fd tovar:<\/strong>\u00a0Kuchynsk\u00fd riad, s\u00fa\u010diastky spotrebi\u010dov, dekorat\u00edvne kovanie.<\/li>\n<li><strong>Doprava:<\/strong>\u00a0\u017delezni\u010dn\u00e9 komponenty, diely lodn\u00fdch motorov.<\/li>\n<li><strong>Obnovite\u013en\u00e1 energia:<\/strong>\u00a0Diely vetern\u00fdch turb\u00edn, r\u00e1my sol\u00e1rnych panelov.<\/li>\n<li><strong>S\u00fa\u010diastky so zlo\u017eitou geometriou:<\/strong>\u00a0Tenkostenn\u00e9 a vysokopevnostn\u00e9 komponenty s presn\u00fdmi toleranciami.<\/li>\n<\/ol>\n<h3>M\u00f4\u017eete vysvetli\u0165 rozdiely medzi n\u00edzkotlakov\u00fdm a vysokotlakov\u00fdm tlakov\u00fdm liat\u00edm?<\/h3>\n<p>Pri vysokotlakovom tlakovom liat\u00ed sa pou\u017e\u00edvaj\u00fa ove\u013ea vy\u0161\u0161ie tlaky (70-700 bar) ne\u017e pri n\u00edzkotlakovom liat\u00ed (0.2-0.7 bar). Pri vysokotlakovom procese sa kov vstrekuje vodorovne vysokou r\u00fdchlos\u0165ou.<\/p>\n<p>Pri n\u00edzkotlakovom liat\u00ed sa forma pln\u00ed \u0161etrnej\u0161ie smerom nahor, \u010d\u00edm sa zni\u017euje turbulencia a zachyt\u00e1vanie vzduchu. Vysokotlakov\u00e9 tlakov\u00e9 liatie m\u00e1 krat\u0161ie cykly, ale vy\u0161\u0161ie riziko ch\u00fdb sp\u00f4soben\u00fdch p\u00f3rovitos\u0165ou.<\/p>\n<h3>Ako sa n\u00edzkotlakov\u00e9 liatie l\u00ed\u0161i od gravita\u010dn\u00e9ho z h\u013eadiska v\u00fdroby a kvality?<\/h3>\n<p>N\u00edzkotlakov\u00e9 liatie poskytuje lep\u0161iu kontrolu toku kovu ne\u017e gravita\u010dn\u00e9 liatie. V\u00fdsledkom je konzistentnej\u0161ia kvalita s\u00fa\u010diastok a lep\u0161ie plnenie zlo\u017eit\u00fdch tvarov.<\/p>\n<p>Gravita\u010dn\u00e9 liatie sa pri plnen\u00ed formy spolieha v\u00fdhradne na gravit\u00e1ciu, \u010do obmedzuje zlo\u017eitos\u0165 vyr\u00e1ban\u00fdch s\u00fa\u010diastok. N\u00edzkotlakov\u00e9 met\u00f3dy dok\u00e1\u017eu vyplni\u0165 ten\u0161ie \u010dasti a zlo\u017eitej\u0161ie tvary.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Preh\u013ead n\u00edzkotlakov\u00e9ho liatia N\u00edzkotlakov\u00e9 tlakov\u00e9 liatie je proces tvarovania kovov, pri ktorom sa roztaven\u00fd kov riaden\u00fdm tlakom pln\u00ed do foriem a vytv\u00e1ra kvalitn\u00e9 s\u00fa\u010diastky. V porovnan\u00ed s tradi\u010dn\u00fdmi met\u00f3dami odlievania pon\u00faka lep\u0161iu kvalitu a presnos\u0165. Defin\u00edcia a princ\u00edpy Pri n\u00edzkotlakovom liat\u00ed (LPDC) sa roztaven\u00fd kov tlakom vytl\u00e1\u010da smerom nahor do dutiny formy. Pod formou sa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18484,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"N\u00edzkotlakov\u00e9 liatie: sprievodca efekt\u00edvnym tvarovan\u00edm kovov","_seopress_titles_desc":"Spoznajte proces n\u00edzkotlakov\u00e9ho liatia, zariadenia, parametre, materi\u00e1ly, v\u00fdhody a typick\u00e9 aplik\u00e1cie.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_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":1,"footnotes":""},"categories":[189],"tags":[],"class_list":["post-17863","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\/17863","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=17863"}],"version-history":[{"count":5,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/17863\/revisions"}],"predecessor-version":[{"id":20594,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/17863\/revisions\/20594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/media\/18484"}],"wp:attachment":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/media?parent=17863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/categories?post=17863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/tags?post=17863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}