{"id":23505,"date":"2025-06-13T14:45:11","date_gmt":"2025-06-13T06:45:11","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=23505"},"modified":"2026-10-09T02:21:46","modified_gmt":"2026-10-08T18:21:46","slug":"centrifugal-casting","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/cs\/blog\/centrifugal-casting\/","title":{"rendered":"Odst\u0159ediv\u00e9 lit\u00ed: Komplexn\u00ed pr\u016fvodce technikou lit\u00ed slitin do forem"},"content":{"rendered":"<p>Odst\u0159ediv\u00e9 lit\u00ed je jedine\u010dn\u00fd <a href=\"https:\/\/moldie.net\/die-casting-mold-making\/\">proces odl\u00e9v\u00e1n\u00ed,<\/a> kter\u00fd vyu\u017e\u00edv\u00e1 rotuj\u00edc\u00ed formy k v\u00fdrob\u011b pevn\u00fdch a p\u0159esn\u00fdch kovov\u00fdch d\u00edl\u016f. <strong>Pomoc\u00ed odst\u0159ediv\u00e9ho lit\u00ed lze vyr\u00e1b\u011bt nap\u0159\u00edklad trubky, krou\u017eky nebo vlo\u017eky v\u00e1lc\u016f s men\u0161\u00edm po\u010dtem vad a vy\u0161\u0161\u00ed pevnost\u00ed, ne\u017e jakou nab\u00edzej\u00ed jin\u00e9 metody.<\/strong><\/p>\n<p>Pokud chcete pochopit, jak tento proces funguje a pro\u010d se vyu\u017e\u00edv\u00e1 p\u0159i d\u016fle\u017eit\u00fdch pr\u016fmyslov\u00fdch zak\u00e1zk\u00e1ch, jste na spr\u00e1vn\u00e9m m\u00edst\u011b. Znalost princip\u016f odst\u0159ediv\u00e9ho lit\u00ed v\u00e1m pom\u016f\u017ee rozhodnout, zda je tato metoda tou nejlep\u0161\u00ed volbou pro v\u00e1\u0161 dal\u0161\u00ed projekt.<\/p>\n<h2>Z\u00e1klady odst\u0159ediv\u00e9ho lit\u00ed<\/h2>\n<p>Odst\u0159ediv\u00e9 lit\u00ed vyu\u017e\u00edv\u00e1 odst\u0159edivou s\u00edlu k vytv\u00e1\u0159en\u00ed pevn\u00fdch, kruhov\u00fdch <a href=\"https:\/\/moldie.net\/product\/customized-making-of-aluminum-die-casting-mould\/\">kovov\u00fdch d\u00edl\u016f<\/a>. Tato technika odl\u00e9v\u00e1n\u00ed umo\u017e\u0148uje \u0159\u00eddit zp\u016fsob, jak\u00fdm roztaven\u00fd kov vypl\u0148uje formu, a z\u00e1rove\u0148 odv\u00e1d\u00ed zachycen\u00e9 plyny, co\u017e vede k \u010dist\u0161\u00edmu v\u00fdsledn\u00e9mu produktu.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-796\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/alloy-diecasting.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/alloy-diecasting.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/alloy-diecasting-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/alloy-diecasting-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/alloy-diecasting-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Definice a principy<\/h3>\n<p>Proces odst\u0159ediv\u00e9ho lit\u00ed zahrnuje postupy, p\u0159i nich\u017e se roztaven\u00fd kov nal\u00e9v\u00e1 do dutiny rotuj\u00edc\u00ed formy. Forma se ot\u00e1\u010d\u00ed vysokou rychlost\u00ed v odst\u0159edivce. Odst\u0159ediv\u00e1 s\u00edla n\u00e1sledn\u011b p\u0159itla\u010duje kov k vnit\u0159n\u00edm st\u011bn\u00e1m formy.<\/p>\n<p>Tato metoda je ide\u00e1ln\u00ed pro v\u00fdrobu d\u00edl\u016f s rota\u010dn\u00ed symetri\u00ed, jako jsou trubky, krou\u017eky a dal\u0161\u00ed dut\u00e9 v\u00e1lcov\u00e9 sou\u010d\u00e1sti. K pohybu kovu a vypln\u011bn\u00ed tvaru vyu\u017e\u00edv\u00e1 s\u00edlu vznikaj\u00edc\u00ed rotac\u00ed, nikoli gravitaci. Pro podobn\u00e9 metody se pou\u017e\u00edvaj\u00ed tak\u00e9 n\u00e1zvy \u201espin casting\u201c nebo \u201erotocasting\u201c.<\/p>\n<p>Forma se m\u016f\u017ee ot\u00e1\u010det v horizont\u00e1ln\u00ed nebo vertik\u00e1ln\u00ed poloze. Z\u00e1kladn\u00ed my\u0161lenkou je, \u017ee vy\u0161\u0161\u00ed rychlost ot\u00e1\u010den\u00ed vytv\u00e1\u0159\u00ed v\u011bt\u0161\u00ed s\u00edlu a napom\u00e1h\u00e1 vzniku hutn\u00fdch, vysoce kvalitn\u00edch odlitk\u016f s minimem vzduchov\u00fdch bublin.<\/p>\n<h3>Kl\u00ed\u010dov\u00e9 sou\u010d\u00e1sti a materi\u00e1ly<\/h3>\n<p>Stroje pro odst\u0159ediv\u00e9 lit\u00ed (odst\u0159edivky) jsou vybaveny pevnou kruhovou dutinou formy um\u00edst\u011bnou na h\u0159\u00eddeli. Do rotuj\u00edc\u00ed formy se nal\u00e9v\u00e1 roztaven\u00fd kov nebo slitina. Rotace rozprost\u0159e kov po st\u011bn\u00e1ch formy.<\/p>\n<p>Mezi b\u011b\u017en\u00e9 kovy pou\u017e\u00edvan\u00e9 p\u0159i odst\u0159ediv\u00e9m lit\u00ed pat\u0159\u00ed litina, ocel, m\u011b\u010f, hlin\u00edk, nerezov\u00e1 ocel a slitiny na b\u00e1zi niklu. Pro mal\u00e9 nebo nekovov\u00e9 d\u00edly lze pou\u017e\u00edt plasty (nap\u0159. ABS), av\u0161ak nej\u010dast\u011bji se vyu\u017e\u00edvaj\u00ed kovy.<\/p>\n<p><strong>Hlavn\u00ed sou\u010d\u00e1sti zahrnuj\u00ed:<\/strong><\/p>\n<ul>\n<li><em>Dutinu formy<\/em> (ocelov\u00e1 nebo p\u00edskov\u00e1)<\/li>\n<li><em>J\u00e1dro<\/em> (pou\u017e\u00edv\u00e1 se u dut\u00fdch d\u00edl\u016f)<\/li>\n<li><em>Stroj pro odst\u0159ediv\u00e9 lit\u00ed<\/em><\/li>\n<\/ul>\n<p>Nastaven\u00ed stroje se li\u0161\u00ed v z\u00e1vislosti na po\u017eadovan\u00e9 velikosti a tvaru v\u00fdrobku. <a href=\"https:\/\/moldie.net\/die-casting-mold-design-development-and-production-process\/\">Materi\u00e1l formy<\/a> mus\u00ed odol\u00e1vat vysok\u00fdm teplot\u00e1m a odst\u0159ediv\u00fdm sil\u00e1m.<\/p>\n<h3>V\u00fdhody a omezen\u00ed<\/h3>\n<p>Odst\u0159ediv\u00e9 lit\u00ed p\u0159in\u00e1\u0161\u00ed \u0159adu v\u00fdhod. Rotace pom\u00e1h\u00e1 odstranit zachycen\u00e9 plyny a ne\u010distoty, co\u017e vede k pevn\u011bj\u0161\u00edm a \u010dist\u0161\u00edm odlitk\u016fm. Takto vyroben\u00e9 d\u00edly jsou hutn\u00e9 a vyzna\u010duj\u00ed se jemnozrnnou strukturou. Tato metoda lit\u00ed je ide\u00e1ln\u00ed pro v\u00fdrobu beze\u0161v\u00fdch trubek, pouzder a krou\u017ek\u016f.<\/p>\n<p><strong>V\u00fdhody:<\/strong><\/p>\n<ul>\n<li>Minim\u00e1ln\u00ed nebo \u017e\u00e1dn\u00e1 pot\u0159eba dodate\u010dn\u00e9ho opracov\u00e1n\u00ed<\/li>\n<li>Umo\u017e\u0148uje v\u00fdrobu kruhov\u00fdch d\u00edl\u016f bez \u0161v\u016f<\/li>\n<li>Vhodn\u00e9 pro \u0159adu kov\u016f a slitin<\/li>\n<\/ul>\n<p><strong>Omezen\u00ed:<\/strong><\/p>\n<ul>\n<li>Pou\u017eiteln\u00e9 pouze pro tvary s rota\u010dn\u00ed symetri\u00ed<\/li>\n<li>Nevhodn\u00e9 pro slo\u017eit\u00e9 nebo detailn\u00ed d\u00edly<\/li>\n<li>Vy\u017eaduje speci\u00e1ln\u00ed n\u00e1stroje a stroje<\/li>\n<li>Proces m\u016f\u017ee n\u011bkdy zp\u016fsobit drobn\u00e9 odchylky v tlou\u0161\u0165ce st\u011bny<\/li>\n<\/ul>\n<p>Tato technika se vol\u00ed p\u0159edev\u0161\u00edm tehdy, kdy\u017e pot\u0159ebujete pevn\u00e9, kruhov\u00e9 a odoln\u00e9 kovov\u00e9 d\u00edly.<\/p>\n<h2>Proces odst\u0159ediv\u00e9ho lit\u00ed do forem<\/h2>\n<p>P\u0159i odst\u0159ediv\u00e9m lit\u00ed se k tvarov\u00e1n\u00ed roztaven\u00e9ho kovu pou\u017e\u00edv\u00e1 rotuj\u00edc\u00ed forma. Ka\u017ed\u00fd krok procesu ovliv\u0148uje kvalitu a pevnost v\u00fdsledn\u00e9ho d\u00edlu.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-798\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>P\u0159\u00edprava a nastaven\u00ed formy<\/h3>\n<p>Nejprve je nutn\u00e9 p\u0159ipravit formu, kter\u00e1 je obvykle vyrobena z oceli nebo litiny. Na povrch formy se nan\u00e1\u0161ej\u00ed speci\u00e1ln\u00ed povlaky, kter\u00e9 usnad\u0148uj\u00ed tok kovu a n\u00e1sledn\u00e9 vyjmut\u00ed odlitku. Pot\u00e9 se forma upevn\u00ed na rotuj\u00edc\u00ed stroj.<\/p>\n<p>Pokud m\u00e1 d\u00edl otvor nebo dut\u00fd st\u0159ed, <a href=\"https:\/\/moldie.net\/injection-molding-core\/\">vlo\u017e\u00edte j\u00e1dro<\/a>. J\u00e1dro vytv\u00e1\u0159\u00ed po\u017eadovan\u00fd vnit\u0159n\u00ed tvar a mus\u00ed pevn\u011b dosedat na sv\u00e9 m\u00edsto. Po usazen\u00ed j\u00e1dra se forma uzav\u0159e a vycentruje tak, aby dutina byla p\u0159esn\u011b v ose ot\u00e1\u010den\u00ed.<\/p>\n<p>Spr\u00e1vn\u00e9 nastaven\u00ed formy je kl\u00ed\u010dov\u00e9. Chyby mohou v\u00e9st k nespr\u00e1vn\u00e9mu rozlo\u017een\u00ed materi\u00e1lu, nerovnom\u011brn\u00e9 tlou\u0161\u0165ce st\u011bny nebo jin\u00fdm vad\u00e1m. Pe\u010dliv\u00e1 kontrola dutiny, odvzdu\u0161n\u011bn\u00ed a zaji\u0161\u0165ovac\u00edch prvk\u016f zaru\u010duje lep\u0161\u00ed v\u00fdsledky odl\u00e9v\u00e1n\u00ed.<\/p>\n<h3>Lit\u00ed roztaven\u00e9ho kovu<\/h3>\n<p>Kov se tav\u00ed v peci a n\u00e1sledn\u011b p\u0159e\u010derp\u00e1v\u00e1 do lic\u00ed p\u00e1nve. Pot\u00e9 se opatrn\u011b vl\u00e9v\u00e1 do lic\u00ed j\u00edmky spojen\u00e9 s rotuj\u00edc\u00ed formou. Lit\u00ed mus\u00ed prob\u00edhat rychle, av\u0161ak plynule, aby se omezila oxidace a uzav\u00edr\u00e1n\u00ed vzduchu v tavenin\u011b.<\/p>\n<p>Rotace formy obvykle za\u010d\u00edn\u00e1 je\u0161t\u011b p\u0159ed samotn\u00fdm lit\u00edm. B\u011bhem lit\u00ed odst\u0159ediv\u00e1 s\u00edla tla\u010d\u00ed roztaven\u00fd kov ke st\u011bn\u00e1m formy, \u010d\u00edm\u017e rychle zapl\u0148uje jej\u00ed dutinu.<\/p>\n<p>Spr\u00e1vn\u00e1 technika lit\u00ed pom\u00e1h\u00e1 p\u0159edch\u00e1zet vzniku vzduchov\u00fdch kapes a vad. Teplota a rychlost lit\u00ed jsou kl\u00ed\u010dov\u00e9, nebo\u0165 ovliv\u0148uj\u00ed zp\u016fsob, jak\u00fdm kov proud\u00ed a tuhne.<\/p>\n<h3>Rotace a tuhnut\u00ed<\/h3>\n<p>P\u0159i rotaci formy tla\u010d\u00ed odst\u0159ediv\u00e1 s\u00edla roztaven\u00fd kov sm\u011brem ven. V\u00fdsledkem je hust\u0161\u00ed a stejnom\u011brn\u011bj\u0161\u00ed odlitek, zejm\u00e9na v oblasti vn\u011bj\u0161\u00edch povrch\u016f. V z\u00e1vislosti na rychlosti ot\u00e1\u010den\u00ed a velikosti d\u00edlu m\u016f\u017ee tato s\u00edla dosahovat mnohon\u00e1sobku hodnoty gravita\u010dn\u00edho zrychlen\u00ed.<\/p>\n<p>Tuhnut\u00ed za\u010d\u00edn\u00e1 u st\u011bny formy a postupuje sm\u011brem dovnit\u0159. Tento proces sm\u011brov\u00e9ho tuhnut\u00ed napom\u00e1h\u00e1 vytla\u010dov\u00e1n\u00ed ne\u010distot a plyn\u016f k vnit\u0159n\u00edmu povrchu, d\u00edky \u010demu\u017e je vn\u011bj\u0161\u00ed struktura pevn\u011bj\u0161\u00ed a m\u00e9n\u011b por\u00e9zn\u00ed.<\/p>\n<p>Rychlost rotace a rychlost chladnut\u00ed ur\u010duj\u00ed v\u00fdslednou zrnitost struktury materi\u00e1lu. \u00dapravou t\u011bchto parametr\u016f lze zv\u00fd\u0161it kvalitu odlitku a omezit ne\u017e\u00e1douc\u00ed vady, jako jsou nap\u0159\u00edklad sta\u017eeniny nebo bubliny v bl\u00edzkosti vn\u011bj\u0161\u00ed st\u011bny.<\/p>\n<p><strong>Kl\u00ed\u010dov\u00e9 body t\u00e9to f\u00e1ze:<\/strong><\/p>\n<ul>\n<li>Vysok\u00e9 ot\u00e1\u010dky = hutn\u011bj\u0161\u00ed kov<\/li>\n<li>Sm\u011brov\u00e1 krystalizace odstra\u0148uje ne\u010distoty z vn\u011bj\u0161\u00edch vrstev<\/li>\n<li>Pe\u010dliv\u00e1 regulace teploty zlep\u0161uje vlastnosti<\/li>\n<\/ul>\n<h3>Chlazen\u00ed a vyjmut\u00ed<\/h3>\n<p>Jakmile kov zcela ztuhne, zastav\u00edte rotaci a nech\u00e1te odlitek d\u00e1le chladnout. Chlazen\u00ed lze urychlit vzduchem nebo vodou, av\u0161ak p\u0159ednost se d\u00e1v\u00e1 \u0159\u00edzen\u00e9mu chlazen\u00ed, aby se p\u0159ede\u0161lo vzniku trhlin. Proces chlazen\u00ed mohou sledovat <a href=\"https:\/\/moldie.net\/injection-mold-cooling\/\">m\u011b\u0159ic\u00ed p\u0159\u00edstroje,<\/a> kter\u00e9 zajist\u00ed, \u017ee si d\u00edl zachov\u00e1 po\u017eadovan\u00e9 rozm\u011brov\u00e9 tolerance.<\/p>\n<p>Jakmile je d\u00edl zcela vychladl\u00fd, otev\u0159ete formu a odlitek vyjmete. Pokud bylo pou\u017eito j\u00e1dro, odstran\u00edte jej v t\u00e9to f\u00e1zi; v p\u0159\u00edpad\u011b, \u017ee je j\u00e1dro pevn\u011b usazeno, mohou b\u00fdt zapot\u0159eb\u00ed speci\u00e1ln\u00ed n\u00e1stroje.<\/p>\n<p>Odlitek n\u00e1sledn\u011b proch\u00e1z\u00ed <a href=\"https:\/\/moldie.net\/injection-molding-finishes\/\">operacemi kone\u010dn\u00e9 \u00fapravy<\/a>. Ty zahrnuj\u00ed odstran\u011bn\u00ed p\u0159ebyte\u010dn\u00e9ho materi\u00e1lu vznikl\u00e9ho ve sp\u00e1r\u00e1ch formy a odstran\u011bn\u00ed drobn\u00fdch nedokonalost\u00ed tak, aby v\u00fdrobek spl\u0148oval po\u017eadavky na kone\u010dn\u00fd tvar a kvalitu povrchu. Spr\u00e1vn\u00e9 odstran\u011bn\u00ed p\u0159ebytk\u016f a kone\u010dn\u00e1 \u00faprava zaji\u0161\u0165uj\u00ed, \u017ee hotov\u00fd d\u00edl spl\u0148uje normy kvality a rozm\u011brov\u00e9 po\u017eadavky.<\/p>\n<h2>Typy odst\u0159ediv\u00e9ho lit\u00ed do forem<\/h2>\n<p>Lze volit z n\u011bkolika metod odst\u0159ediv\u00e9ho lit\u00ed do forem. Rozd\u00edly mezi t\u011bmito metodami ovliv\u0148uj\u00ed tvary a vlastnosti <a href=\"https:\/\/moldie.net\/product-category\/die-casting-parts\/\">hotov\u00fdch d\u00edl\u016f<\/a>.<\/p>\n<h3>Horizont\u00e1ln\u00ed odst\u0159ediv\u00e9 lit\u00ed do forem<\/h3>\n<p>P\u0159i horizont\u00e1ln\u00edm odst\u0159ediv\u00e9m lit\u00ed se vyu\u017e\u00edv\u00e1 forma rotuj\u00edc\u00ed kolem vodorovn\u00e9 osy. Roztaven\u00fd kov se do formy nal\u00e9v\u00e1 z jedn\u00e9 strany, zat\u00edmco se forma ot\u00e1\u010d\u00ed. Tato metoda se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 k v\u00fdrob\u011b trubek, v\u00e1lc\u016f a dlouh\u00fdch potrubn\u00edch prvk\u016f. \u010casto ji vyu\u017e\u00edvaj\u00ed velkokapacitn\u00ed v\u00fdrobn\u00ed linky, proto\u017ee umo\u017e\u0148uje rychlou v\u00fdrobu d\u00edl\u016f s rovnom\u011brnou tlou\u0161\u0165kou st\u011bn a vysokou pevnost\u00ed. Povrch odlitk\u016f b\u00fdv\u00e1 hladk\u00fd, co\u017e sni\u017euje n\u00e1roky na n\u00e1sledn\u00e9 obr\u00e1b\u011bn\u00ed.<\/p>\n<p>Horizont\u00e1ln\u00ed syst\u00e9my jsou nejvhodn\u011bj\u0161\u00ed pro v\u00fdrobu p\u0159edm\u011bt\u016f, u nich\u017e d\u00e9lka v\u00fdrazn\u011b p\u0159evy\u0161uje pr\u016fm\u011br. Proces lze automatizovat pro dosa\u017een\u00ed vy\u0161\u0161\u00edho v\u00fdkonu, co\u017e z\u00e1rove\u0148 sni\u017euje n\u00e1klady na pracovn\u00ed s\u00edlu.<\/p>\n<h3>Vertik\u00e1ln\u00ed odst\u0159ediv\u00e9 lit\u00ed<\/h3>\n<p>Vertik\u00e1ln\u00ed odst\u0159ediv\u00e9 lit\u00ed vyu\u017e\u00edv\u00e1 formu rotuj\u00edc\u00ed kolem svisl\u00e9 osy. Kov se nal\u00e9v\u00e1 p\u0159\u00edmo do st\u0159edov\u00e9 osy rotuj\u00edc\u00ed formy a odst\u0159edivou silou je vytla\u010dov\u00e1n sm\u011brem ven, \u010d\u00edm\u017e vznik\u00e1 v\u00fdsledn\u00fd d\u00edl. Tato technika je ide\u00e1ln\u00ed pro v\u00fdrobu krou\u017ek\u016f, pouzder a men\u0161\u00edch d\u00edl\u016f diskovit\u00e9ho tvaru. Vertik\u00e1ln\u00ed uspo\u0159\u00e1d\u00e1n\u00ed umo\u017e\u0148uje p\u0159esnou kontrolu tlou\u0161\u0165ky st\u011bn. Usnad\u0148uje tak\u00e9 odstran\u011bn\u00ed ne\u017e\u00e1douc\u00edch ne\u010distot, kter\u00e9 maj\u00ed tendenci se usazovat bl\u00ed\u017ee ke st\u0159edu, tedy mimo samotn\u00fd odlitek.<\/p>\n<p>Vertik\u00e1ln\u00ed lit\u00ed se \u010dasto vol\u00ed pro men\u0161\u00ed nebo symetrick\u00e9 d\u00edly vy\u017eaduj\u00edc\u00ed kruhov\u00fd tvar. Je obzvl\u00e1\u0161t\u011b vhodn\u00e9 v p\u0159\u00edpadech, kdy jsou kladeny vysok\u00e9 n\u00e1roky na p\u0159esnost rozm\u011br\u016f (\u00fazk\u00e9 tolerance).<\/p>\n<h2>Vlastnosti a kvalita odst\u0159ediv\u00fdch odlitk\u016f<\/h2>\n<p>Odst\u0159ediv\u00e9 lit\u00ed umo\u017e\u0148uje v\u00fdrobu d\u00edl\u016f s hutnou a homogenn\u00ed strukturou, co\u017e je v\u00fdhodn\u00e9 pro \u0159adu n\u00e1ro\u010dn\u00fdch aplikac\u00ed. Tento proces zlep\u0161uje vnit\u0159n\u00ed strukturu, mechanickou pevnost a celkovou konzistenci vlastnost\u00ed hotov\u00fdch sou\u010d\u00e1st\u00ed.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-797\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting-1.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting-1.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting-1-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting-1-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/07\/Centrifugal-Casting-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Celistvost a struktura materi\u00e1lu<\/h3>\n<p>Odst\u0159ediv\u00e9 odlitky se vyzna\u010duj\u00ed vysokou celistvost\u00ed materi\u00e1lu. B\u011bhem rotace roztaven\u00e9ho kovu a jeho p\u0159itla\u010dov\u00e1n\u00ed ke st\u011bn\u011b formy se ne\u010distoty a plynov\u00e9 bubliny p\u0159esouvaj\u00ed sm\u011brem k vnit\u0159n\u00edmu povrchu. V\u00fdsledkem je \u010dasto sou\u010d\u00e1st s velmi n\u00edzkou vnit\u0159n\u00ed p\u00f3rovitost\u00ed.<\/p>\n<p>Lze o\u010dek\u00e1vat stejnom\u011brnou strukturu zrna nebo dokonce jemnozrnnou<em>strukturu<\/em> v bl\u00edzkosti vn\u011bj\u0161\u00edho povrchu. D\u00edky t\u011bmto vlastnostem je u odlitku m\u00e9n\u011b pravd\u011bpodobn\u00fd v\u00fdskyt skryt\u00fdch vad.<\/p>\n<p>P\u0159esn\u00e1 kontrola rychlosti chladnut\u00ed zvy\u0161uje hustotu a vytv\u00e1\u0159\u00ed sou\u010d\u00e1st se spolehliv\u011bj\u0161\u00edmi vlastnostmi. Povrchov\u00e1 \u00faprava u st\u011bny formy b\u00fdv\u00e1 hlad\u0161\u00ed a vy\u017eaduje m\u00e9n\u011b dokon\u010dovac\u00edch prac\u00ed.<\/p>\n<h3>Mechanick\u00e9 vlastnosti a \u017eivotnost<\/h3>\n<p>Sou\u010d\u00e1sti vyroben\u00e9 odst\u0159ediv\u00fdm lit\u00edm do forem maj\u00ed obvykle lep\u0161\u00ed mechanick\u00e9 vlastnosti ve srovn\u00e1n\u00ed se standardn\u00edmi odlitky. Vysok\u00e1 hustota a sn\u00ed\u017een\u00e1 p\u00f3rovitost p\u0159isp\u00edvaj\u00ed k vy\u0161\u0161\u00ed pevnosti i odolnosti proti \u00fanav\u011b materi\u00e1lu.<\/p>\n<p>Tyto odlitky odol\u00e1vaj\u00ed opakovan\u00e9mu nam\u00e1h\u00e1n\u00ed a je u nich men\u0161\u00ed pravd\u011bpodobnost vzniku trhlin \u010di selh\u00e1n\u00ed v pr\u016fb\u011bhu \u010dasu. Proto se \u010dasto pou\u017e\u00edvaj\u00ed v <strong>aplikac\u00edch vy\u017eaduj\u00edc\u00edch vysokou spolehlivost,<\/strong> nap\u0159\u00edklad v letectv\u00ed, \u010derpadlech a tlakov\u00fdch n\u00e1dob\u00e1ch.<\/p>\n<p>Vzhledem k tomu, \u017ee struktura je <em>stejnom\u011brn\u00e1<\/em> a <em>jemnozrnn\u00e1<\/em>, vykazuj\u00ed tyto sou\u010d\u00e1sti dobrou odolnost proti opot\u0159eben\u00ed. To zvy\u0161uje jejich <strong>\u017eivotnost<\/strong> a zaji\u0161\u0165uje del\u0161\u00ed trvanlivost i v n\u00e1ro\u010dn\u00fdch provozn\u00edch podm\u00ednk\u00e1ch.<\/p>\n<h3>Souosost a tlou\u0161\u0165ka st\u011bny<\/h3>\n<p>Odst\u0159ediv\u00e9 lit\u00ed do forem je zn\u00e1m\u00e9 <strong>vynikaj\u00edc\u00ed souosost\u00ed<\/strong>. Zp\u016fsob, jak\u00fdm je kov tla\u010den proti rotuj\u00edc\u00ed form\u011b, zaji\u0161\u0165uje, \u017ee tlou\u0161\u0165ka st\u011bny je <strong>rovnom\u011brn\u00e1 a st\u00e1l\u00e1<\/strong> po cel\u00e9m obvodu sou\u010d\u00e1sti.<\/p>\n<p>Lze o\u010dek\u00e1vat p\u0159\u00edsn\u011bj\u0161\u00ed tolerance tlou\u0161\u0165ky st\u011bny ne\u017e u mnoha jin\u00fdch metod. Jednoduch\u00e1 tabulka ukazuje typick\u00e9 v\u00fdhody:<\/p>\n<table>\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>Odst\u0159ediv\u00e9 lit\u00ed do forem<\/th>\n<th>Ostatn\u00ed odlitky<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Souosost<\/td>\n<td>Vysok\u00e1<\/td>\n<td>St\u0159edn\u00ed\/N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Tlou\u0161\u0165ka st\u011bny<\/td>\n<td>Rovnom\u011brn\u00e1<\/td>\n<td>M\u016f\u017ee kol\u00edsat<\/td>\n<\/tr>\n<tr>\n<td>Hustota<\/td>\n<td>Vysok\u00e1<\/td>\n<td>Ni\u017e\u0161\u00ed (prom\u011bnliv\u00e1)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Hladk\u00e9 a pravideln\u00e9 vnit\u0159n\u00ed i vn\u011bj\u0161\u00ed povrchy sni\u017euj\u00ed pot\u0159ebu dodate\u010dn\u00e9ho obr\u00e1b\u011bn\u00ed. To nejen \u0161et\u0159\u00ed \u010das, ale tak\u00e9 zaji\u0161\u0165uje, \u017ee si v\u00fdsledn\u00e1 sou\u010d\u00e1st l\u00e9pe zachov\u00e1v\u00e1 sv\u016fj zam\u00fd\u0161len\u00fd tvar.<\/p>\n<h2>Vyu\u017eit\u00ed odst\u0159ediv\u00e9ho lit\u00ed do forem<\/h2>\n<p>Odst\u0159ediv\u00e9 lit\u00ed do forem se vyu\u017e\u00edv\u00e1 v mnoha pr\u016fmyslov\u00fdch odv\u011btv\u00edch. \u010casto se s n\u00edm setk\u00e1v\u00e1me p\u0159i v\u00fdrob\u011b vlo\u017eek v\u00e1lc\u016f pro motory, zejm\u00e9na u osobn\u00edch a n\u00e1kladn\u00edch automobil\u016f. Tato metoda umo\u017e\u0148uje vytv\u00e1\u0159et pevn\u00e9 a hladk\u00e9 sou\u010d\u00e1sti s del\u0161\u00ed \u017eivotnost\u00ed.<\/p>\n<p>Tento postup se vyu\u017e\u00edv\u00e1 i p\u0159i v\u00fdrob\u011b kovov\u00fdch a litinov\u00fdch trubek. Je vhodn\u00fd pro v\u00fdrobu dlouh\u00fdch <strong>trubkov\u00fdch d\u00edl\u016f,<\/strong> jako jsou trubky a <strong>tenkost\u011bnn\u00e9 v\u00e1lce<\/strong>. Tyto d\u00edly maj\u00ed rovnom\u011brnou tlou\u0161\u0165ku st\u011bn a vykazuj\u00ed jen minimum vad.<\/p>\n<p>Zde jsou n\u011bkter\u00e9 b\u011b\u017en\u00e9 v\u00fdrobky zhotoven\u00e9 t\u00edmto zp\u016fsobem:<\/p>\n<table>\n<thead>\n<tr>\n<th>V\u00fdrobek<\/th>\n<th>Odv\u011btv\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vlo\u017eky v\u00e1lc\u016f<\/td>\n<td>Automobilov\u00fd pr\u016fmysl, vojenstv\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Kovov\u00e9 trubky<\/td>\n<td>Stavebnictv\u00ed, ropn\u00fd a plyn\u00e1rensk\u00fd pr\u016fmysl<\/td>\n<\/tr>\n<tr>\n<td>Lo\u017eiska<\/td>\n<td>Stroj\u00edrenstv\u00ed, doprava<\/td>\n<\/tr>\n<tr>\n<td>Kola \u017eelezni\u010dn\u00edch voz\u016f<\/td>\n<td>\u017deleznice<\/td>\n<\/tr>\n<tr>\n<td>Setrva\u010dn\u00edky<\/td>\n<td>Automobilov\u00fd pr\u016fmysl, stroj\u00edrenstv\u00ed<\/td>\n<\/tr>\n<tr>\n<td>T\u011bsnic\u00ed krou\u017eky (hydroelektr\u00e1rny)<\/td>\n<td>Energetika<\/td>\n<\/tr>\n<tr>\n<td>Sk\u0159\u00edn\u011b kompresor\u016f proudov\u00fdch motor\u016f<\/td>\n<td>Leteck\u00fd pr\u016fmysl, vojenstv\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Zrcadla teleskop\u016f<\/td>\n<td>Astronomie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V <strong>leteck\u00e9m pr\u016fmyslu<\/strong> lze nal\u00e9zt sou\u010d\u00e1sti, jako jsou <strong>sk\u0159\u00edn\u011b kompresor\u016f proudov\u00fdch motor\u016f<\/strong> vyroben\u00e9 odst\u0159ediv\u00fdm lit\u00edm. Tyto sou\u010d\u00e1sti mus\u00ed b\u00fdt velmi p\u0159esn\u00e9 a pevn\u00e9.<\/p>\n<p>Tato metoda nach\u00e1z\u00ed uplatn\u011bn\u00ed tak\u00e9 <strong>ve vojensk\u00fdch aplikac\u00edch<\/strong>. Sou\u010d\u00e1sti jako <strong>lo\u017eiska<\/strong> a specifick\u00e9 sou\u010d\u00e1sti motor\u016f se t\u00edmto zp\u016fsobem \u010dasto vyr\u00e1b\u011bj\u00ed pr\u00e1v\u011b kv\u016fli sv\u00e9 odolnosti.<\/p>\n<p><em>Odst\u0159ediv\u00e9 lit\u00ed<\/em> je vhodn\u00e9 pro v\u00fdrobu prototyp\u016f trubkov\u00fdch v\u00fdrobk\u016f, zejm\u00e9na pokud jsou vy\u017eadov\u00e1ny slo\u017eit\u00e9 tvary.<\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>Jak\u00fd je rozd\u00edl mezi poloodst\u0159ediv\u00fdm a prav\u00fdm odst\u0159ediv\u00fdm lit\u00edm?<\/h3>\n<p>P\u0159i poloodst\u0159ediv\u00e9m lit\u00ed se forma pln\u00ed roztaven\u00fdm kovem pouze \u010d\u00e1ste\u010dn\u011b; tento proces se vyu\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm u d\u00edl\u016f se st\u0159edov\u00fdm j\u00e1drem, jako jsou nap\u0159\u00edklad kola. Kov je odst\u0159edivou silou vytla\u010dov\u00e1n sm\u011brem ven, av\u0161ak ur\u010dit\u00e9 \u010d\u00e1sti mohou b\u00fdt tvarov\u00e1ny pomoc\u00ed j\u00e1dra.<\/p>\n<p>U prav\u00e9ho odst\u0159ediv\u00e9ho lit\u00ed se forma ot\u00e1\u010d\u00ed kolem sv\u00e9 osy a pln\u00ed se zcela. T\u00edmto zp\u016fsobem vznikaj\u00ed dut\u00e9 kruhov\u00e9 d\u00edly, jako jsou trubky \u010di roury, a to bez nutnosti pou\u017eit\u00ed st\u0159edov\u00e9ho j\u00e1dra.<\/p>\n<h3>Jak\u00e9 faktory rozhoduj\u00ed o volb\u011b odst\u0159ediv\u00e9ho lit\u00ed oproti jin\u00fdm metod\u00e1m odl\u00e9v\u00e1n\u00ed?<\/h3>\n<p>Odst\u0159ediv\u00e9 lit\u00ed se \u010dasto vol\u00ed v p\u0159\u00edpad\u011b, \u017ee jsou vy\u017eadov\u00e1ny v\u00fdrobky s vysokou pevnost\u00ed a minimem vad. Tato metoda je ide\u00e1ln\u00ed pro v\u00fdrobu kruhov\u00fdch dut\u00fdch d\u00edl\u016f, jako jsou trubky, pouzdra \u010di krou\u017eky.<\/p>\n<p>Pro odst\u0159ediv\u00e9 lit\u00ed se m\u016f\u017eete rozhodnout tak\u00e9 d\u00edky lep\u0161\u00ed kontrole nad vnit\u0159n\u00ed a vn\u011bj\u0161\u00ed strukturou kovu. Tato metoda nav\u00edc umo\u017e\u0148uje omezit v\u00fdskyt ne\u010distot a plynov\u00fdch dutin ve v\u00fdsledn\u00e9m v\u00fdrobku.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Odst\u0159ediv\u00e9 lit\u00ed je jedine\u010dn\u00fd proces odl\u00e9v\u00e1n\u00ed, kter\u00fd vyu\u017e\u00edv\u00e1 rotuj\u00edc\u00ed formy k v\u00fdrob\u011b pevn\u00fdch a p\u0159esn\u00fdch kovov\u00fdch d\u00edl\u016f. Pomoc\u00ed odst\u0159ediv\u00e9ho lit\u00ed lze vyr\u00e1b\u011bt nap\u0159\u00edklad trubky, krou\u017eky nebo vlo\u017eky v\u00e1lc\u016f s men\u0161\u00edm po\u010dtem vad a vy\u0161\u0161\u00ed pevnost\u00ed, ne\u017e jakou nab\u00edzej\u00ed jin\u00e9 metody. Pokud chcete pochopit, jak tento proces funguje a pro\u010d se vyu\u017e\u00edv\u00e1 p\u0159i d\u016fle\u017eit\u00fdch pr\u016fmyslov\u00fdch zak\u00e1zk\u00e1ch, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":25611,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Odst\u0159ediv\u00e9 lit\u00ed: Komplexn\u00ed pr\u016fvodce technikou lit\u00ed slitin do forem","_seopress_titles_desc":"Odst\u0159ediv\u00e9 lit\u00ed je vysoce kvalitn\u00ed technika lit\u00ed slitin, kter\u00e1 umo\u017e\u0148uje v\u00fdrobu hutn\u00fdch v\u00e1lcov\u00fdch d\u00edl\u016f. 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