{"id":17871,"date":"2025-05-31T13:52:53","date_gmt":"2025-05-31T05:52:53","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=17871"},"modified":"2026-10-08T21:05:17","modified_gmt":"2026-10-08T13:05:17","slug":"types-of-casting-process","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/sk\/blog\/types-of-casting-process\/","title":{"rendered":"Preh\u013ead procesov odlievania: sprievodca be\u017en\u00fdmi met\u00f3dami"},"content":{"rendered":"<h2>Preh\u013ead procesov odlievania<\/h2>\n<h3>\u010co je odlievanie?<\/h3>\n<p>Odlievanie je proces, pri ktorom sa tekut\u00fd materi\u00e1l, zvy\u010dajne kov, naleje do formy vytvarovanej pod\u013ea po\u017eadovanej s\u00fa\u010diastky. Kvapalina chladne a tuhne, pri\u010dom preber\u00e1 tvar formy.<\/p>\n<p>Existuje mnoho typov odlievania, napr\u00edklad odlievanie do piesku, tlakov\u00e9 liatie a presn\u00e9 odlievanie. Ka\u017ed\u00fd typ pou\u017e\u00edva in\u00fd sp\u00f4sob tvarovania a tuhnutia materi\u00e1lu. Tieto met\u00f3dy mo\u017eno pou\u017ei\u0165 na kovy, ako hlin\u00edk, \u017eelezo a oce\u013e, ale aj na niektor\u00e9 plasty.<\/p>\n<p>Odlievanie je d\u00f4le\u017eit\u00e9, preto\u017ee umo\u017e\u0148uje vyr\u00e1ba\u0165 mal\u00e9 aj ve\u013ek\u00e9 s\u00fa\u010diastky tvarov, ktor\u00e9 by sa in\u00fdmi met\u00f3dami dosahovali \u0165a\u017eko.<\/p>\n<h3>Pou\u017eitie odlievania<\/h3>\n<p>Odliatky n\u00e1jdete v automobiloch, budov\u00e1ch, strojoch a n\u00e1strojoch. Odlievan\u00e9 s\u00fa\u010dasti \u010dasto obsahuj\u00fa motory automobilov, potrubia, sochy a \u0165a\u017ek\u00e9 stroje.<\/p>\n<p>V\u00fdrobcovia volia odlievanie, ke\u010f potrebuj\u00fa pevn\u00e9 s\u00fa\u010diastky schopn\u00e9 zvl\u00e1dnu\u0165 n\u00e1ro\u010dn\u00e9 podmienky. Napr\u00edklad bloky motorov a teles\u00e1 \u010derpadiel sa \u010dasto odlievaj\u00fa, preto\u017ee musia by\u0165 odoln\u00e9 a z\u00e1rove\u0148 ma\u0165 detailn\u00fd tvar.<\/p>\n<p>Odlievanie umo\u017e\u0148uje vytv\u00e1ra\u0165 aj umeleck\u00e9 predmety, napr\u00edklad kovov\u00e9 sochy a dekor\u00e1cie do dom\u00e1cnosti na mieru. Podporuje ve\u013ekoobjemov\u00fa v\u00fdrobu, a preto sa hod\u00ed na zhotovovanie ve\u013ek\u00e9ho po\u010dtu s\u00fa\u010diastok naraz.<\/p>\n<h3>Hlavn\u00e9 v\u00fdhody odlievania<\/h3>\n<p>Odlievanie je cenen\u00e9 za to, \u017ee umo\u017e\u0148uje v jednom kroku vytv\u00e1ra\u0165 zlo\u017eit\u00e9 a ve\u013ek\u00e9 tvary. Mo\u017eno n\u00edm tvarova\u0165 materi\u00e1ly, s ktor\u00fdmi sa in\u00fdmi met\u00f3dami pracuje \u0165a\u017eko, a vyr\u00e1ba\u0165 s\u00fa\u010diastky, ktor\u00e9 presne zodpovedaj\u00fa n\u00e1vrhu.<\/p>\n<p>Medzi hlavn\u00e9 v\u00fdhody patria:<\/p>\n<ul>\n<li><strong>Ni\u017e\u0161ie n\u00e1klady<\/strong> pri ve\u013ek\u00fdch v\u00fdrobn\u00fdch s\u00e9ri\u00e1ch<\/li>\n<li><strong>Menej obr\u00e1bania<\/strong> preto\u017ee v\u00fdsledn\u00fd tvar vznik\u00e1 u\u017e vo forme<\/li>\n<li><strong>Flexibilita materi\u00e1lu<\/strong>, ke\u010f\u017ee mo\u017eno odlieva\u0165 mnoh\u00e9 kovy aj plasty<\/li>\n<\/ul>\n<p>Mo\u017eno vyr\u00e1ba\u0165 aj tenk\u00e9, detailn\u00e9 a dut\u00e9 s\u00fa\u010diastky, ktor\u00e9 by boli pri in\u00fdch technik\u00e1ch n\u00e1kladn\u00e9 alebo nemo\u017en\u00e9. Odlievanie je \u00fa\u010dinn\u00fdm rie\u0161en\u00edm, ke\u010f potrebujete kovov\u00fa s\u00fa\u010diastku na mieru alebo s detailn\u00fdm tvarom.<\/p>\n<h2>Met\u00f3dy odlievania do piesku<\/h2>\n<p>Pri odlievan\u00ed do piesku sa na v\u00fdrobu foriem pou\u017e\u00edvaj\u00fa r\u00f4zne druhy piesku a spoj\u00edv. V\u00fdber met\u00f3dy ovplyv\u0148uje kvalitu povrchu, pevnos\u0165 aj n\u00e1klady.<\/p>\n<h3>Odlievanie do zelenej formovacej zmesi<\/h3>\n<p>Odlievanie do zelenej formovacej zmesi je najbe\u017enej\u0161ou met\u00f3dou odlievania do piesku. Pou\u017e\u00edva zmes kremi\u010dit\u00e9ho piesku, hliny (\u010dasto bentonitu), vody a niekedy \u010fal\u0161\u00edch pr\u00edsad. Pojem \u201ezelen\u00e1\u201c ozna\u010duje nevysu\u0161en\u00fd, mierne vlhk\u00fd piesok.<\/p>\n<p>T\u00e1to met\u00f3da je ob\u013e\u00faben\u00e1 pre svoju flexibilitu, r\u00fdchlos\u0165 a n\u00edzku cenu. Mo\u017eno ju pou\u017ei\u0165 na mal\u00e9 aj ve\u013ek\u00e9 kovov\u00e9 s\u00fa\u010diastky. Takto sa vyr\u00e1ba v\u00e4\u010d\u0161ina odliatkov zo \u017eeleza, ocele a hlin\u00edka.<\/p>\n<p><em>V\u00fdhody:<\/em><\/p>\n<ul>\n<li>N\u00edzke n\u00e1klady<\/li>\n<li>Op\u00e4tovne pou\u017eite\u013en\u00fd piesok<\/li>\n<li>Jednoduch\u00e9 tvarovanie<\/li>\n<\/ul>\n<p><em>Nev\u00fdhody:<\/em><\/p>\n<ul>\n<li>Ni\u017e\u0161ia kvalita povrchu<\/li>\n<li>Menej presn\u00e9 tolerancie<\/li>\n<\/ul>\n<p>Formy zo zelenej zmesi nie s\u00fa ve\u013emi pevn\u00e9, preto sa hodia najm\u00e4 na jednoduch\u0161ie s\u00fa\u010diastky.<\/p>\n<h3>Odlievanie do \u017eivicovej formy<\/h3>\n<p>Pri odlievan\u00ed do \u017eivicovej formy sa piesok mie\u0161a s chemick\u00fdmi spojivami, napr\u00edklad \u017eivicou. Spojiv\u00e1 sp\u00e1jaj\u00fa zrnk\u00e1 piesku a vytvrdzuj\u00fa ich viac ne\u017e pri zelenej zmesi. Vytvrden\u00edm vznikne pevn\u00e1 a tuh\u00e1 forma.<\/p>\n<p>Tento proces poskytuje lep\u0161\u00ed povrch a presnej\u0161ie tvary. Pou\u017e\u00edva sa pri zlo\u017eit\u00fdch s\u00fa\u010diastkach alebo vy\u0161\u0161\u00edch n\u00e1rokoch na kvalitu. \u017divicov\u00e9 pieskov\u00e9 formy zvl\u00e1dnu detailnej\u0161ie n\u00e1vrhy ne\u017e formy zo zelenej zmesi.<\/p>\n<p><em>V\u00fdhody:<\/em><\/p>\n<ul>\n<li>Dobr\u00e1 rozmerov\u00e1 presnos\u0165<\/li>\n<li>Lep\u0161ia kvalita povrchu<\/li>\n<li>Mo\u017enos\u0165 v\u00fdroby zlo\u017eit\u00fdch tvarov<\/li>\n<\/ul>\n<p><em>Nev\u00fdhody:<\/em><\/p>\n<ul>\n<li>Vy\u0161\u0161ie n\u00e1klady ne\u017e pri zelenej zmesi<\/li>\n<li>Piesok z formy sa zvy\u010dajne ned\u00e1 op\u00e4tovne pou\u017ei\u0165<\/li>\n<\/ul>\n<p>Odlievanie do \u017eivicovej formy zv\u00e1\u017ete vtedy, ke\u010f s\u00fa kvalita a detaily d\u00f4le\u017eitej\u0161ie ne\u017e n\u00e1klady.<\/p>\n<h3>Odlievanie do suchej pieskovej formy<\/h3>\n<p>Odlievanie do suchej pieskovej formy je podobn\u00e9 odlievaniu do zelenej zmesi, forma sa v\u0161ak pred naliat\u00edm kovu vysu\u0161\u00ed v peci. Su\u0161enie zvy\u0161uje jej pevnos\u0165 a predch\u00e1dza chyb\u00e1m, napr\u00edklad plynov\u00fdm bublin\u00e1m. Preto je vhodnej\u0161ie pre v\u00e4\u010d\u0161ie alebo \u0165a\u017e\u0161ie odliatky.<\/p>\n<p>Proces trv\u00e1 dlh\u0161ie pre krok su\u0161enia, no forma je pevnej\u0161ia a odolnej\u0161ia proti praskaniu. Such\u00e9 pieskov\u00e9 formy sa zvy\u010dajne pou\u017e\u00edvaj\u00fa na ve\u013emi ve\u013ek\u00e9 s\u00fa\u010diastky, napr\u00edklad \u0165a\u017ek\u00e9 stroje alebo ve\u013ek\u00e9 priemyseln\u00e9 komponenty.<\/p>\n<p><em>V\u00fdhody:<\/em><\/p>\n<ul>\n<li>Pevnej\u0161ie formy<\/li>\n<li>Vhodn\u00e9 na ve\u013ek\u00e9 odliatky<\/li>\n<li>Menej ch\u00fdb pri odlievan\u00ed<\/li>\n<\/ul>\n<p><em>Nev\u00fdhody:<\/em><\/p>\n<ul>\n<li>Dlh\u0161\u00ed v\u00fdrobn\u00fd \u010das<\/li>\n<li>Vy\u0161\u0161ie n\u00e1klady ne\u017e pri zelenej zmesi<\/li>\n<\/ul>\n<p>T\u00e1to met\u00f3da je najvhodnej\u0161ia, ke\u010f pri ve\u013ek\u00fdch projektoch potrebujete pevn\u00e9 a stabiln\u00e9 formy.<\/p>\n<h2>Procesy odlievania do trval\u00fdch foriem<\/h2>\n<p>Pri odlievan\u00ed do trval\u00fdch foriem sa namiesto jednorazov\u00fdch pieskov\u00fdch foriem pou\u017e\u00edvaj\u00fa odoln\u00e9 kovov\u00e9 formy. Umo\u017e\u0148uj\u00fa vyr\u00e1ba\u0165 ve\u013ek\u00e9 mno\u017estvo s\u00fa\u010diastok rovnak\u00e9ho tvaru s hladk\u00fdm povrchom a dobrou pevnos\u0165ou.<\/p>\n<h3>Gravita\u010dn\u00e9 tlakov\u00e9 liatie<\/h3>\n<p>Pri gravita\u010dnom tlakovom liat\u00ed sa roztaven\u00fd kov naleje ru\u010dne alebo panvou do kovovej formy. Gravit\u00e1cia pom\u00e1ha vyplni\u0165 v\u0161etky dutiny formy. Proces nepou\u017e\u00edva dodato\u010dn\u00fd tlak ani v\u00e1kuum.<\/p>\n<p>Met\u00f3da sa hod\u00ed na v\u00fdrobu stredn\u00e9ho a\u017e ve\u013ek\u00e9ho mno\u017estva kovov\u00fdch s\u00fa\u010diastok. \u010casto sa pou\u017e\u00edva na v\u00fdrobky zo zliatin hlin\u00edka, hor\u010d\u00edka alebo medi. V porovnan\u00ed s odlievan\u00edm do piesku z\u00edskate pevnej\u0161ie s\u00fa\u010diastky s lep\u0161\u00edm povrchom.<\/p>\n<p><strong>Hlavn\u00e9 v\u00fdhody:<\/strong><\/p>\n<ul>\n<li>Dobr\u00e1 rozmerov\u00e1 presnos\u0165<\/li>\n<li>Op\u00e4tovne pou\u017eite\u013en\u00e9 formy<\/li>\n<li>Menej odpadu ne\u017e pri odlievan\u00ed do piesku<\/li>\n<\/ul>\n<p><strong>Be\u017en\u00e9 v\u00fdrobky:<\/strong><\/p>\n<ul>\n<li>Automobilov\u00e9 s\u00fa\u010diastky<\/li>\n<li>Komponenty strojov<\/li>\n<li>Potrubn\u00e9 tvarovky<\/li>\n<\/ul>\n<h3>N\u00edzko-tlakov\u00e9 liatie<\/h3>\n<p>Pri n\u00edzko-tlakovom liat\u00ed sa pod formou nach\u00e1dza \u0161peci\u00e1lna komora naplnen\u00e1 roztaven\u00fdm kovom. Kov sa do formy vytl\u00e1\u010da n\u00edzkym tlakom vzduchu, zvy\u010dajne pod 1 bar.<\/p>\n<p>Dodato\u010dn\u00fd tlak pom\u00e1ha lep\u0161ie vyplni\u0165 tenk\u00e9 \u010dasti formy ne\u017e pri gravita\u010dnom liat\u00ed. Proces je pomal\u0161\u00ed, no vytv\u00e1ra pevnej\u0161ie a detailnej\u0161ie s\u00fa\u010diastky. Obzvl\u00e1\u0161\u0165 vhodn\u00fd je pre zliatiny hlin\u00edka a hor\u010d\u00edka.<\/p>\n<p><strong>Hlavn\u00e9 v\u00fdhody:<\/strong><\/p>\n<ul>\n<li>Presn\u00e1 kontrola plnenia<\/li>\n<li>Menej p\u00f3rovitosti<\/li>\n<li>Vhodn\u00e9 pre tenkostenn\u00e9 s\u00fa\u010diastky<\/li>\n<\/ul>\n<p>T\u00e1to met\u00f3da sa \u010dasto pou\u017e\u00edva na v\u00fdrobu kolies, s\u00fa\u010dast\u00ed motorov a krytov pre automobilov\u00fd priemysel.<\/p>\n<h3>V\u00e1kuov\u00e9 tlakov\u00e9 liatie<\/h3>\n<p>Pri v\u00e1kuovom tlakovom liat\u00ed v\u00e1kuov\u00e1 pumpa od\u010derp\u00e1 vzduch z dutiny formy. T\u00fdm pom\u00e1ha dosta\u0165 roztaven\u00fd kov do ka\u017ed\u00e9ho jej k\u00fata.<\/p>\n<p>Odliatky obsahuj\u00fa ve\u013emi m\u00e1lo zachyten\u00e9ho plynu a p\u00f3rov, tak\u017ee s\u00fa pevn\u00e9 a vzduchotesn\u00e9. Proces je vhodn\u00fd, ke\u010f potrebujete vysok\u00fa presnos\u0165 pri tenk\u00fdch alebo detailn\u00fdch s\u00fa\u010diastkach. Je ob\u013e\u00faben\u00fd v odvetviach, ako letectvo a elektronika.<\/p>\n<p><strong>Hlavn\u00e9 vlastnosti:<\/strong><\/p>\n<ul>\n<li>Ve\u013emi hladk\u00fd povrch<\/li>\n<li>Vysok\u00e1 hustota a n\u00edzka chybovos\u0165<\/li>\n<li>Vhodn\u00e9 pre \u013eahk\u00e9 zliatiny a mal\u00e9 a\u017e stredne ve\u013ek\u00e9 s\u00fa\u010diastky<\/li>\n<\/ul>\n<p>V\u00e1kuov\u00e9 tlakov\u00e9 liatie sa \u010dasto pou\u017e\u00edva na elektrick\u00e9 kryty, ozuben\u00e9 koles\u00e1 a vysoko presn\u00e9 komponenty.<\/p>\n<h2>Presn\u00e9 odlievanie a odlievanie do stratenej peny<\/h2>\n<p>Pri presnom odlievan\u00ed aj odlievan\u00ed do stratenej peny sa na vytvorenie formy pou\u017e\u00edva model, ale jednotliv\u00e9 procesy vyu\u017e\u00edvaj\u00fa in\u00e9 materi\u00e1ly a kroky. Ka\u017ed\u00fd sa hod\u00ed na s\u00fa\u010diastky konkr\u00e9tneho tvaru, ve\u013ekosti alebo detailnosti.<\/p>\n<h3>Presn\u00e9 odlievanie<\/h3>\n<p>Pri presnom odlievan\u00ed sa na v\u00fdrobu formy pou\u017e\u00edva voskov\u00fd alebo plastov\u00fd model. Najprv sa pokryje \u0161peci\u00e1lnou keramickou suspenziou a potom jemn\u00fdm pieskom. Ke\u010f keramick\u00e1 \u0161krupina vytvrdne, vosk sa roztav\u00ed a vznikne dutina.<\/p>\n<p>Do dutiny sa naleje roztaven\u00fd kov a vytvor\u00ed sa v\u00fdsledn\u00e1 s\u00fa\u010diastka. Met\u00f3da umo\u017e\u0148uje vyr\u00e1ba\u0165 zlo\u017eit\u00e9 tvary s hladk\u00fdm povrchom a \u00fazkymi toleranciami.<\/p>\n<p><strong>Typick\u00e9 pou\u017eitie:<\/strong><\/p>\n<ul>\n<li>Mal\u00e9 alebo detailn\u00e9 kovov\u00e9 s\u00fa\u010diastky<\/li>\n<li>Vysoko presn\u00e9 komponenty<\/li>\n<li>\u0160perky, zdravotn\u00edcke n\u00e1stroje a leteck\u00e9 s\u00fa\u010diastky<\/li>\n<\/ul>\n<p><strong>V\u00fdhody:<\/strong><\/p>\n<ul>\n<li>Vhodn\u00e9 na jemn\u00e9 detaily<\/li>\n<li>Mo\u017eno pou\u017ei\u0165 mnoh\u00e9 kovy<\/li>\n<\/ul>\n<p><strong>Nev\u00fdhody:<\/strong><\/p>\n<ul>\n<li>Viac krokov a \u010dasu ne\u017e pri in\u00fdch met\u00f3dach<\/li>\n<li>N\u00e1kladn\u00e9 pri ve\u013ek\u00fdch s\u00fa\u010diastkach<\/li>\n<\/ul>\n<h3>Odlievanie do stratenej peny<\/h3>\n<p>Je podobn\u00e9, ale model tvor\u00ed polystyr\u00e9nov\u00e1 pena namiesto vosku. Penov\u00fd model sa vlo\u017e\u00ed do n\u00e1doby naplnenej pieskom. Ke\u010f sa naleje roztaven\u00fd kov, pena sa odpar\u00ed a kov vypln\u00ed presne priestor, ktor\u00fd po nej zostal.<\/p>\n<p>Takto mo\u017eno \u013eahko vytv\u00e1ra\u0165 tvary, ktor\u00e9 sa in\u00fdmi met\u00f3dami odlievania vyr\u00e1baj\u00fa \u0165a\u017eko. Odlievanie do stratenej peny sa hod\u00ed na ve\u013ek\u00e9 alebo zlo\u017eit\u00e9 s\u00fa\u010diastky bez pou\u017eitia jadier.<\/p>\n<table>\n<thead>\n<tr>\n<th>Vlastnos\u0165<\/th>\n<th>Presn\u00e9 odlievanie<\/th>\n<th>Odlievanie do stratenej peny<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Model<\/td>\n<td>Voskov\u00fd\/plastov\u00fd<\/td>\n<td>Penov\u00fd<\/td>\n<\/tr>\n<tr>\n<td>Odstr\u00e1nenie modelu<\/td>\n<td>Roztaven\u00edm<\/td>\n<td>Odparen\u00edm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vznik\u00e1 menej deliacich rov\u00edn formy, tak\u017ee hotov\u00e9 s\u00fa\u010diastky vy\u017eaduj\u00fa menej \u010distenia. Proces je u\u017eito\u010dn\u00fd pri v\u00fdrobe prototypov alebo jedine\u010dn\u00fdch kusov bez drah\u00fdch n\u00e1strojov.<\/p>\n<h2>\u0160peci\u00e1lne a modern\u00e9 techniky odlievania<\/h2>\n<p>Niektor\u00e9 met\u00f3dy pou\u017e\u00edvaj\u00fa \u0161peci\u00e1lne postupy na v\u00fdrobu pevn\u00fdch, presn\u00fdch alebo jedine\u010dn\u00fdch kovov\u00fdch s\u00fa\u010diastok. V\u010faka nim sa vyr\u00e1baj\u00fa napr\u00edklad potrubia, ozuben\u00e9 koles\u00e1 a dlh\u00e9 kovov\u00e9 ty\u010de.<\/p>\n<h3>Odstrediv\u00e9 odlievanie<\/h3>\n<p>Odstrediv\u00e9 odlievanie sa pou\u017e\u00edva na v\u00fdrobu dut\u00fdch okr\u00fahlych predmetov, napr\u00edklad potrub\u00ed a prstencov. Tekut\u00fd kov sa naleje do rotuj\u00facej formy. Odstrediv\u00e1 sila tla\u010d\u00ed kov na steny formy a odstra\u0148uje vzduchov\u00e9 bubliny a ne\u010distoty.<\/p>\n<p>Vznikaj\u00fa hust\u00e9, pevn\u00e9 a rovnomern\u00e9 s\u00fa\u010diastky bez \u0161vov. Vn\u00fatorn\u00fd povrch b\u00fdva hlad\u0161\u00ed a ne\u010distoty sa pres\u00favaj\u00fa do stredu, odkia\u013e ich mo\u017eno odstr\u00e1ni\u0165. Met\u00f3da je vhodn\u00e1 pre \u017eelezo a oce\u013e, ale aj bronz a hlin\u00edk.<\/p>\n<p><strong>Typick\u00e9 v\u00fdrobky:<\/strong><\/p>\n<ul>\n<li>Vodovodn\u00e9 potrubia<\/li>\n<li>P\u00fazdra<\/li>\n<li>Zotrva\u010dn\u00edky<\/li>\n<\/ul>\n<p>V\u010faka spo\u013eahliv\u00fdm v\u00fdsledkom sa odstrediv\u00e9 odlievanie be\u017ene pou\u017e\u00edva na s\u00fa\u010diastky, ktor\u00e9 musia odol\u00e1va\u0165 intenz\u00edvnemu pou\u017e\u00edvaniu alebo tlaku.<\/p>\n<h3>Odlievanie do \u0161krupinovej formy<\/h3>\n<p>Pri odlievan\u00ed do \u0161krupinovej formy tvor\u00ed formu tenk\u00e1 \u0161krupina z piesku a \u0161peci\u00e1lnej \u017eivice. Najprv sa zahreje kovov\u00fd model a pokryje zmesou piesku a \u017eivice. Teplo sp\u00f4sob\u00ed vytvrdnutie a vytvor\u00ed pevn\u00fa tenk\u00fa vrstvu formy.<\/p>\n<p>Po vychladnut\u00ed sa \u0161krupina z modelu odstr\u00e1ni a spoj\u00ed s druhou polovicou. Do formy sa naleje roztaven\u00fd kov a vznikne hotov\u00e1 s\u00fa\u010diastka. Met\u00f3da poskytuje hladk\u00fd povrch a ostr\u00e9 hrany, \u010do je v\u00fdhodn\u00e9 pri detailn\u00fdch alebo zlo\u017eit\u00fdch tvaroch.<\/p>\n<p><strong>Hlavn\u00e9 vlastnosti odlievania do \u0161krupinovej formy:<\/strong><\/p>\n<ul>\n<li>Dobr\u00e1 kvalita povrchu<\/li>\n<li>Vysok\u00e1 presnos\u0165 a opakovate\u013enos\u0165<\/li>\n<li>Vhodn\u00e9 pre mal\u00e9 a\u017e stredne ve\u013ek\u00e9 s\u00fa\u010diastky<\/li>\n<\/ul>\n<p>Medzi be\u017en\u00e9 v\u00fdrobky patria teles\u00e1 ventilov, kryty prevodoviek a hlavy valcov.<\/p>\n<h3>Plynul\u00e9 odlievanie<\/h3>\n<p>Plynul\u00e9 odlievanie sa pou\u017e\u00edva na v\u00fdrobu dlh\u00fdch tvarov, napr\u00edklad ty\u010d\u00ed, pr\u00fatov a plechov. Roztaven\u00fd kov sa naleje do formy otvorenej na oboch koncoch. Po\u010das chladnutia kov z formy plynulo vych\u00e1dza ako s\u00favisl\u00fd kus.<\/p>\n<p>Hlavnou v\u00fdhodou je v\u00fdroba produktov takmer \u013eubovo\u013enej d\u013a\u017eky s minim\u00e1lnym odpadom. Proces je vysoko automatizovan\u00fd, preto sa \u010dasto pou\u017e\u00edva vo ve\u013ek\u00fdch z\u00e1vodoch. Hod\u00ed sa na oce\u013e, me\u010f a hlin\u00edk.<\/p>\n<p><strong>V\u00fdhody plynul\u00e9ho odlievania:<\/strong><\/p>\n<ul>\n<li>Konzistentn\u00e1 kvalita<\/li>\n<li>Vysok\u00e1 \u00fa\u010dinnos\u0165<\/li>\n<li>Ni\u017e\u0161ie v\u00fdrobn\u00e9 n\u00e1klady<\/li>\n<\/ul>\n<p>T\u00e1to met\u00f3da sa \u010dasto pou\u017e\u00edva pri v\u00fdrobe ko\u013eajn\u00edc, nosn\u00edkov a \u010fal\u0161\u00edch kon\u0161truk\u010dn\u00fdch kovov\u00fdch v\u00fdrobkov, ktor\u00e9 musia by\u0165 rovnomern\u00e9 a pevn\u00e9.<\/p>\n<h2>Procesy tlakov\u00e9ho liatia<\/h2>\n<p>Pri tlakovom liat\u00ed sa roztaven\u00fd kov pod vysok\u00fdm tlakom vstrekuje do oce\u013eov\u00fdch foriem, naz\u00fdvan\u00fdch aj tlakov\u00e9 formy. Ide o r\u00fdchly a presn\u00fd proces, ob\u013e\u00faben\u00fd pri v\u00fdrobe kovov\u00fdch s\u00fa\u010diastok s hladk\u00fdm povrchom a presn\u00fdmi rozmermi.<\/p>\n<p>Existuj\u00fa dva hlavn\u00e9 typy: s teplou a studenou komorou. Ka\u017ed\u00fd sa hod\u00ed pre ur\u010dit\u00e9 kovy a v\u00fdrobn\u00e9 po\u017eiadavky.<\/p>\n<h3>Tlakov\u00e9 liatie s teplou komorou<\/h3>\n<p>Tlakov\u00e9 liatie s teplou komorou je najvhodnej\u0161ie pre kovy s n\u00edzkou teplotou tavenia, napr\u00edklad zinok, hor\u010d\u00edk a niektor\u00e9 zliatiny olova. Vstrekovac\u00ed syst\u00e9m je po\u010das procesu v kontakte s roztaven\u00fdm kovom, ktor\u00fd pr\u00fadi do formy priamo z komory stroja.<\/p>\n<p>Met\u00f3da je r\u00fdchla a kr\u00e1tke cykly umo\u017e\u0148uj\u00fa vyrobi\u0165 ve\u013ek\u00e9 mno\u017estvo s\u00fa\u010diastok za krat\u0161\u00ed \u010das. Automatick\u00e1 prev\u00e1dzka zni\u017euje potrebu pr\u00e1ce. Nemo\u017eno ju v\u0161ak pou\u017ei\u0165 na hlin\u00edk ani kovy s vysokou teplotou tavenia, preto\u017ee by po\u0161kodili stroj.<\/p>\n<p>Tlakov\u00e9 liatie s teplou komorou sa be\u017ene pou\u017e\u00edva na mal\u00e9 a\u017e stredne ve\u013ek\u00e9 s\u00fa\u010diastky, napr\u00edklad automobilov\u00e9 komponenty, diely hra\u010diek a kovania. Poskytuje presn\u00e9 tvary a hladk\u00fd povrch s minim\u00e1lnou potrebou dodato\u010dn\u00e9ho dokon\u010dovania.<\/p>\n<table>\n<thead>\n<tr>\n<th>Hlavn\u00e9 v\u00fdhody<\/th>\n<th>Hlavn\u00e9 obmedzenia<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vysok\u00e1 r\u00fdchlos\u0165 v\u00fdroby<\/td>\n<td>Nevhodn\u00e9 na hlin\u00edk<\/td>\n<\/tr>\n<tr>\n<td>Vysok\u00e1 presnos\u0165<\/td>\n<td>Obmedzen\u00e9 na kovy s n\u00edzkou teplotou tavenia<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Tlakov\u00e9 liatie so studenou komorou<\/h3>\n<p>Tlakov\u00e9 liatie so studenou komorou sa pou\u017e\u00edva pri kovoch s vy\u0161\u0161ou teplotou tavenia, napr\u00edklad pri hlin\u00edku, medi a mosadzi. Kov sa roztav\u00ed v samostatnej peci a potom sa naleje do vstrekovacieho syst\u00e9mu. Piest ho n\u00e1sledne vtla\u010d\u00ed do formy.<\/p>\n<p>T\u00e1to met\u00f3da chr\u00e1ni \u010dasti stroja pred tepeln\u00fdm po\u0161koden\u00edm, \u010do je d\u00f4le\u017eit\u00e9 pri pr\u00e1ci s hor\u00facimi kovmi. Jej cykly s\u00fa v\u0161ak o nie\u010do dlh\u0161ie ne\u017e pri liat\u00ed s teplou komorou.<\/p>\n<p>Tlakov\u00e9 liatie so studenou komorou je vhodn\u00e9 pre v\u00e4\u010d\u0161ie alebo \u0165a\u017e\u0161ie s\u00fa\u010diastky, napr\u00edklad bloky motorov a kryty. Vyr\u00e1ba pevn\u00e9 a detailn\u00e9 diely, no pohybliv\u00e9 \u010dasti vystaven\u00e9 roztaven\u00e9mu kovu m\u00f4\u017eu vy\u017eadova\u0165 \u010dastej\u0161iu \u00fadr\u017ebu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Preh\u013ead procesov odlievania \u010co je odlievanie? Odlievanie je proces, pri ktorom sa tekut\u00fd materi\u00e1l, zvy\u010dajne kov, naleje do formy vytvarovanej pod\u013ea po\u017eadovanej s\u00fa\u010diastky. Kvapalina chladne a tuhne, pri\u010dom preber\u00e1 tvar formy. Existuje mnoho typov odlievania, napr\u00edklad odlievanie do piesku, tlakov\u00e9 liatie a presn\u00e9 odlievanie. Ka\u017ed\u00fd typ pou\u017e\u00edva in\u00fd sp\u00f4sob tvarovania a tuhnutia materi\u00e1lu. Tieto met\u00f3dy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19755,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Preh\u013ead procesov odlievania: sprievodca be\u017en\u00fdmi met\u00f3dami","_seopress_titles_desc":"Spoznajte be\u017en\u00e9 procesy odlievania vr\u00e1tane pieskov\u00e9ho, gravita\u010dn\u00e9ho, n\u00edzkotlakov\u00e9ho, v\u00e1kuov\u00e9ho a tlakov\u00e9ho liatia.","_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":1151,"footnotes":""},"categories":[189],"tags":[],"class_list":["post-17871","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\/17871","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=17871"}],"version-history":[{"count":1,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/17871\/revisions"}],"predecessor-version":[{"id":20420,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/17871\/revisions\/20420"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/media\/19755"}],"wp:attachment":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/media?parent=17871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/categories?post=17871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/tags?post=17871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}