{"id":1463,"date":"2025-03-23T22:06:10","date_gmt":"2025-03-23T22:06:10","guid":{"rendered":"https:\/\/www.diecastingschina.com\/?p=1463"},"modified":"2025-03-23T22:06:12","modified_gmt":"2025-03-23T22:06:12","slug":"jak-eloxovat-hlinikovy-odlitek-komplexni-pruvodce","status":"publish","type":"post","link":"https:\/\/www.diecastingschina.com\/cs\/jak-eloxovat-hlinikovy-odlitek-komplexni-pruvodce\/","title":{"rendered":"Jak eloxovat lit\u00fd hlin\u00edk: Jak na hlin\u00edk: Komplexn\u00ed pr\u016fvodce"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcUnCXwEhgYlWedmjWq3EirpDr1lCg8HOVOcAwwPVUnxjyEdBSkoCuq8TzoFsLzy75wQocfUrVsbJB2WPN-v7-84yqDjS-ZaHTfbKXTA2z5H-czSmA94AuxWuBNdTkFO7lrJ8qgFh9lx0aH8mwSDw?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"\"\/><\/figure>\n\n\n\n<p>Hlin\u00edk se v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch pou\u017e\u00edv\u00e1 d\u00edky sv\u00fdm t\u0159em hlavn\u00edm v\u00fdhod\u00e1m, mezi kter\u00e9 pat\u0159\u00ed sn\u00ed\u017een\u00ed hmotnosti a trvanlivost spolu s odolnost\u00ed proti korozi. Z\u00e1kladn\u00ed stav hlin\u00edkov\u00fdch povrch\u016f vy\u017eaduje dodate\u010dn\u00e1 ochrann\u00e1 opat\u0159en\u00ed, proto\u017ee je t\u0159eba zachovat jejich trvanlivost i viditelnou kvalitu. <a href=\"https:\/\/aludiecasting.com\/anodizing-cast-aluminum\/\" target=\"_blank\" rel=\"noopener\">Eloxov\u00e1n\u00ed hlin\u00edkov\u00e9ho odlitku<\/a> slou\u017e\u00ed jako obl\u00edben\u00e1 elektrochemick\u00e1 technika, kter\u00e1 vytv\u00e1\u0159\u00ed zes\u00edlen\u00e9 hlin\u00edkov\u00e9 povrchy, je\u017e vykazuj\u00ed zv\u00fd\u0161enou odolnost proti opot\u0159eben\u00ed a korozi spolu s odolnost\u00ed proti oxidaci.<\/p>\n\n\n\n<p>Proces eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku je slo\u017eit\u00fd, proto\u017ee k\u0159em\u00edk spolu s dal\u0161\u00edmi prvky slitiny ovliv\u0148uje kone\u010dnou eloxovanou povrchovou vrstvu. Ka\u017ed\u00fd den se jednotlivci ptaj\u00ed, zda lze eloxovat lit\u00fd hlin\u00edk, spolu s dotazy na eloxov\u00e1n\u00ed hlin\u00edkov\u00fdch tlakov\u00fdch odlitk\u016f. Proces eloxov\u00e1n\u00ed funguje na hlin\u00edku, p\u0159esto je t\u0159eba pou\u017e\u00edt n\u00e1ro\u010dn\u00e9 techniky a specifick\u00e9 strategie p\u0159\u00edstupu, aby bylo dosa\u017eeno co nejlep\u0161\u00edch v\u00fdsledk\u016f.<\/p>\n\n\n\n<p>Tato p\u0159\u00edru\u010dka poskytuje v\u0161echny pot\u0159ebn\u00e9 informace k eloxov\u00e1n\u00ed lit\u00e9ho hlin\u00edku, vysv\u011btluje probl\u00e9my procesu a poskytuje \u00fapln\u00e9 pokyny krok za krokem a optim\u00e1ln\u00ed postupy pro dosa\u017een\u00ed vynikaj\u00edc\u00edch v\u00fdsledk\u016f eloxov\u00e1n\u00ed. P\u0159\u00edru\u010dka se zab\u00fdv\u00e1 tvrdou eloxac\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku, kter\u00e1 je speci\u00e1ln\u011b ur\u010dena pro pr\u016fmyslov\u00e9 aplikace vy\u017eaduj\u00edc\u00ed zv\u00fd\u0161enou ochranu proti opot\u0159eben\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Porozum\u011bn\u00ed lit\u00e9mu hlin\u00edku a tlakov\u011b lit\u00e9mu hlin\u00edku<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfsUWcn6BmS8vvlkiGlLjU9vnPljd4IaqDQh8ydt3GMeQI-1uu6oLwNP_5EyLhOMdEbhvK0lmtFSNjEYkeptDlWAUGAA5-hlUslodbgjGSCUm4y32MJJDAyfqE1p4UF7-wyrYnk5Zs1nt1yAZl-kLg?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"\"\/><\/figure>\n\n\n\n<p>P\u0159ed zah\u00e1jen\u00edm eloxov\u00e1n\u00ed je t\u0159eba si ujasnit r\u016fzn\u00e9 informace o hlin\u00edkov\u00e9m odlitku a tlakov\u00e9m hlin\u00edkov\u00e9m odlitku. V\u00fdrobn\u00ed metody zahrnuj\u00ed techniky odl\u00e9v\u00e1n\u00ed, av\u0161ak lit\u00fd hlin\u00edk a tlakov\u011b lit\u00fd hlin\u00edk maj\u00ed odli\u0161n\u00e9 slo\u017een\u00ed spolu s r\u016fzn\u00fdmi v\u00fdrobn\u00edmi postupy a charakteristikami eloxov\u00e1n\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Co je lit\u00fd hlin\u00edk?<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeyzKceyN1uPi5zXbApUx98Zg_4db05icoZfAbwL6yfY6Q_9bhpulUCsMCOFGfDouK8ZUYQNuVVyLZJ9UujcC8yQ74lRk0IJDDIDFqnyu3H0kQjK4vYWDjnUeKZVlu66G8yS7vhzvWNmkcMZ8DfJg4?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"V\u00fdhody a nev\u00fdhody hlin\u00edkov\u00fdch odlitk\u016f pro CNC obr\u00e1b\u011bn\u00ed | Stecker Machine\"\/><\/figure>\n\n\n\n<p>Term\u00edn lit\u00fd hlin\u00edk ozna\u010duje hlin\u00edk, kter\u00fd se p\u0159ed nalit\u00edm do formy roztav\u00ed, \u010d\u00edm\u017e vznikne ur\u010dit\u00fd tvar v\u00fdrobku. T\u00edmto procesem se vyr\u00e1b\u011bj\u00ed slo\u017eit\u00e9 a komplikovan\u00e9 d\u00edly, p\u0159i\u010dem\u017e je zapot\u0159eb\u00ed minim\u00e1ln\u00edch operac\u00ed obr\u00e1b\u011bn\u00ed.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>B\u011b\u017en\u00e9 metody odl\u00e9v\u00e1n\u00ed hlin\u00edku:<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Roztaven\u00fd hlin\u00edk te\u010de do p\u00edskov\u00fdch forem a pot\u00e9 je technici zni\u010d\u00ed p\u00edskem, aby se uk\u00e1zal kone\u010dn\u00fd v\u00fdrobek.<\/li>\n\n\n\n<li>Lid\u00e9 pou\u017e\u00edvaj\u00ed odl\u00e9v\u00e1n\u00ed do trval\u00fdch forem tak, \u017ee opakuj\u00ed metodu odl\u00e9v\u00e1n\u00ed s opakovan\u011b pou\u017eiteln\u00fdmi kovov\u00fdmi tvary, aby vytvo\u0159ili stabiln\u00ed a konzistentn\u00ed hlin\u00edkov\u00e9 p\u0159edm\u011bty.<\/li>\n\n\n\n<li>P\u0159i technice investi\u010dn\u00edho lit\u00ed se pou\u017e\u00edv\u00e1 voskov\u00fd model, kter\u00fd se p\u0159ed roztaven\u00edm keramiky pokryje keramick\u00fdm povlakem a vytvo\u0159\u00ed se hlin\u00edkov\u00e1 odl\u00e9vac\u00ed forma.<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Vlastnosti lit\u00e9ho hlin\u00edku:<\/strong><\/h4>\n\n\n\n<p>Proces lit\u00ed vy\u017eaduje p\u0159\u00eddavek oxidu k\u0159emi\u010dit\u00e9ho (Si), kter\u00fd zlep\u0161uje tekutost kovu ve form\u011b.<\/p>\n\n\n\n<p>Jeho vy\u0161\u0161\u00ed p\u00f3rovitost ve srovn\u00e1n\u00ed s tepan\u00fdm hlin\u00edkem ho \u010din\u00ed n\u00e1chyln\u00fdm k zachycov\u00e1n\u00ed atmosf\u00e9rick\u00fdch prvk\u016f vzduchu spolu s ne\u010distotami.<\/p>\n\n\n\n<p>Ve v\u00fdrobn\u00edm procesu se hlin\u00edk pou\u017e\u00edv\u00e1 k v\u00fdrob\u011b blok\u016f motor\u016f a varn\u00fdch za\u0159\u00edzen\u00ed, automobilov\u00fdch d\u00edl\u016f a pr\u016fmyslov\u00fdch v\u00fdrobk\u016f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Co je tlakov\u011b lit\u00fd hlin\u00edk?<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfE4sNdZG4zc7oVZQgA1wmVHhT1GPOx2iQEz_jWDXOJ6_-5DhpbelRxMEv1h8Z4e31-i-YjLR6YyFkSqyyvfPeB4UPUeoWE9f2tWvCw0crreTzSdnCOrwHnsL0f7_xQ3ocvciz3JF8dwsK7I6iyg00?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"V\u00fdrobce hlin\u00edkov\u00fdch odlitk\u016f | JC Casting\"\/><\/figure>\n\n\n\n<p>P\u0159i tlakov\u00e9m lit\u00ed se roztaven\u00fd hlin\u00edk vst\u0159ikuje pod vysok\u00fdm tlakem do ocelov\u00e9 formy. V\u00fdsledkem jsou d\u00edly s extr\u00e9mn\u011b vysokou p\u0159esnost\u00ed, hladk\u00fdm povrchem a detailn\u00edmi rysy.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>V\u00fdhody tlakov\u011b lit\u00e9ho hlin\u00edku:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vysok\u00e1 efektivita v\u00fdroby - ide\u00e1ln\u00ed pro hromadnou v\u00fdrobu.<\/li>\n\n\n\n<li>Hladk\u00e1 povrchov\u00e1 \u00faprava - vy\u017eaduje minim\u00e1ln\u00ed n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed.<\/li>\n\n\n\n<li>Pevn\u011bj\u0161\u00ed a odoln\u011bj\u0161\u00ed ne\u017e tradi\u010dn\u00ed hlin\u00edkov\u00e9 odlitky d\u00edky jemn\u00e9 zrnit\u00e9 struktu\u0159e.<\/li>\n\n\n\n<li>Pou\u017e\u00edv\u00e1 se v automobilov\u00fdch d\u00edlech, elektronick\u00fdch pouzdrech, leteck\u00fdch sou\u010d\u00e1stk\u00e1ch a spot\u0159ebn\u00edch v\u00fdrobc\u00edch.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>V\u00fdzvy spojen\u00e9 s eloxov\u00e1n\u00edm tlakov\u011b lit\u00e9ho hlin\u00edku<\/strong><\/h4>\n\n\n\n<p>Proces eloxov\u00e1n\u00ed nar\u00e1\u017e\u00ed na n\u011bkolik p\u0159ek\u00e1\u017eek p\u0159i pou\u017eit\u00ed na <a href=\"https:\/\/aludiecasting.com\/aluminum-die-casting\/\" target=\"_blank\" rel=\"noopener\">hlin\u00edkov\u00fd tlakov\u00fd odlitek<\/a> kv\u016fli t\u0159em hlavn\u00edm faktor\u016fm:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Proces eloxov\u00e1n\u00ed bude nerovnom\u011brn\u00fd, proto\u017ee k\u0159em\u00edk z hlin\u00edku zasahuje do \u00fapravy.<\/li>\n\n\n\n<li>Pronik\u00e1n\u00ed anodiza\u010dn\u00edch chemik\u00e1li\u00ed do mal\u00fdch pr\u00e1zdn\u00fdch prostor vede ke zhor\u0161en\u00ed kvality v\u00fdrobku.<\/li>\n\n\n\n<li>Nestejnom\u011brn\u00e9 leguj\u00edc\u00ed prvky zp\u016fsobuj\u00ed probl\u00e9my p\u0159i eloxov\u00e1n\u00ed, proto\u017ee vedou k neuspokojiv\u00fdm barevn\u00fdm odchylk\u00e1m.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Lze eloxovat lit\u00fd hlin\u00edk?<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfxdtzQvRClpTrKam6E5DsT4f5bBQgJwjC8BkU05OdlDPnDSR8s2gX1t53hnMcst8z68cMDugO1HEbsjTmgw1J5-jp6Bs8QtRxHtVuElgcbwvbiva0zBNbn7AFQQY3Lyw28AjrdgDbrEX_gQy9wiw?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"eloxov\u00e1n\u00ed hlin\u00edkov\u00e9ho odlitku, nejl\u00e9pe eloxovan\u00fd hlin\u00edkov\u00fd odlitek \u010d. 1\"\/><\/figure>\n\n\n\n<p>Odlitk\u016fm z hlin\u00edku se lze vyhnout, a\u010dkoli pod\u00edl k\u0159em\u00edku je hlavn\u00edm faktorem ovliv\u0148uj\u00edc\u00edm jejich v\u00fdsledek. Anodick\u00e9 zpracov\u00e1n\u00ed \u00fasp\u011b\u0161n\u011b zpracov\u00e1v\u00e1 hlin\u00edkov\u00e9 odlitky, pokud materi\u00e1l obsahuje m\u00e1lo k\u0159em\u00edku, ale vysok\u00fd obsah k\u0159em\u00edku m\u016f\u017ee v\u00e9st k nerovnom\u011brn\u011b tmav\u00fdm a nerovnom\u011brn\u00fdm povlak\u016fm s celkov\u011b slab\u00fdm prosv\u011btlen\u00edm.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Obecn\u00e9 chov\u00e1n\u00ed eloxov\u00e1n\u00ed v z\u00e1vislosti na obsahu k\u0159em\u00edku:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00fdroba rovnom\u011brn\u00e9 eloxovan\u00e9 vrstvy je hlad\u0161\u00ed, kdy\u017e obsah k\u0159em\u00edku z\u016fstane pod 5%.<\/li>\n\n\n\n<li>St\u0159edn\u00ed k\u0159em\u00edk (5-8%) \u2192 M\u016f\u017ee vykazovat ur\u010dit\u00e9 matnosti a barevn\u00e9 odchylky.<\/li>\n\n\n\n<li>Proces eloxov\u00e1n\u00ed se st\u00e1v\u00e1 obt\u00ed\u017en\u00fdm, kdy\u017e k\u0159em\u00edk p\u0159ekro\u010d\u00ed hodnotu 8%, co\u017e vede k tmav\u00fdm a nehomogenn\u00edm v\u00fdsledk\u016fm.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Lze eloxovat tlakov\u011b lit\u00fd hlin\u00edk?<\/strong><\/h2>\n\n\n\n<p>\u00dasp\u011b\u0161nou anodizaci zt\u011b\u017euje jak eloxov\u00e1n\u00ed hlin\u00edkov\u00e9ho tlakov\u00e9ho odlitku, tak vysok\u00fd obsah k\u0159em\u00edku a p\u00f3rovitost materi\u00e1lu. U tlakov\u011b lit\u00e9ho hlin\u00edku je nutn\u00e9 pou\u017e\u00edt speci\u00e1ln\u00ed metody \u00fapravy a eloxov\u00e1n\u00ed, proto\u017ee proces eloxov\u00e1n\u00ed se od procesu eloxov\u00e1n\u00ed tepan\u00e9ho hlin\u00edku podstatn\u011b li\u0161\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pro\u010d je eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku n\u00e1ro\u010dn\u00e9?<\/strong><\/h3>\n\n\n\n<p>P\u0159i eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku existuje mnoho p\u0159ek\u00e1\u017eek kv\u016fli zv\u00fd\u0161en\u00e9mu obsahu k\u0159em\u00edku a p\u00f3rovitosti materi\u00e1lu.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Vysok\u00fd obsah k\u0159em\u00edku<\/strong><\/h4>\n\n\n\n<p>Slitiny hlin\u00edku lit\u00e9 pod tlakem vy\u017eaduj\u00ed obsah k\u0159em\u00edku mezi 8 a 12 procenty, aby bylo dosa\u017eeno optim\u00e1ln\u00edch v\u00fdsledk\u016f lit\u00ed.<\/p>\n\n\n\n<p>K\u0159em\u00edk v hlin\u00edku se spr\u00e1vn\u011b neeloxuje, co\u017e vede k nerovnom\u011brn\u00e9mu tmav\u00e9mu zbarven\u00ed povlaku.<\/p>\n\n\n\n<p>P\u0159i eloxov\u00e1n\u00ed slitin s vysok\u00fdm obsahem k\u0159em\u00edku je v\u00fdsledn\u00e1 vrstva viditeln\u00e1 jako tmav\u00e1, nam\u00edsto \u010dir\u00fdch nebo t\u00f3novan\u00fdch barev se vyzna\u010duje \u010dern\u00fdmi nebo \u0161ed\u00fdmi odst\u00edny.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. P\u00f3rovitost a povrchov\u00e9 vady<\/strong><\/h4>\n\n\n\n<p>Hlin\u00edk vytv\u00e1\u0159\u00ed v d\u016fsledku vysokotlak\u00e9ho tlakov\u00e9ho lit\u00ed mnoho mal\u00fdch vzduchov\u00fdch kapes.<\/p>\n\n\n\n<p>B\u011bhem eloxov\u00e1n\u00ed se v p\u00f3rech hlin\u00edku mohou zachyt\u00e1vat chemick\u00e9 l\u00e1tky, co\u017e m\u016f\u017ee v\u00e9st ke vzniku \u0161mouh a poruch\u00e1m p\u0159ilnavosti a d\u016flkov\u00e9 vady.<\/p>\n\n\n\n<p>\u010ci\u0161t\u011bn\u00ed povrchu a p\u0159\u00edprava jsou obt\u00ed\u017en\u011bj\u0161\u00ed, pokud v\u00fdrobek obsahuje vysokou p\u00f3rovitost.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. Nestejnom\u011brn\u00e9 leguj\u00edc\u00ed prvky<\/strong><\/h4>\n\n\n\n<p>Hlin\u00edkov\u00e1 konstrukce tlakov\u00e9ho odlitku obsahuj\u00edc\u00ed zinek, m\u011b\u010f, ho\u0159\u010d\u00edk a \u017eelezo se neeloxuje rovnom\u011brn\u011b po cel\u00e9m povrchu.<\/p>\n\n\n\n<p>Proces anodizace vytv\u00e1\u0159\u00ed prom\u011bnliv\u00e9 zbarven\u00ed s nepravideln\u00fdm rozlo\u017een\u00edm tlou\u0161\u0165ky ve vytvo\u0159en\u00e9m anodick\u00e9m povlaku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Jak \u00fasp\u011b\u0161n\u011b eloxovat tlakov\u011b lit\u00fd hlin\u00edk<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfB906D95BxsntXpJOAjWASRIGRu6vr8sjqq5L0wbqprs7Qss5AiCMeSg5lqxSRJJQPRfIj2e3I3a-zZ9It8xmvPVHClFrqR9JB_Mi2yBxDqVOc9sSNDQgtpdHuNn3FM6sa52CGms1WzHebEk7wXio?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"\"\/><\/figure>\n\n\n\n<p>N\u00e1sleduj\u00edc\u00ed procesn\u00ed metody umo\u017en\u00ed \u00fasp\u011b\u0161n\u00e9 eloxov\u00e1n\u00ed hlin\u00edkov\u00fdch tlakov\u00fdch odlitk\u016f navzdory technick\u00fdm probl\u00e9m\u016fm:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Z\u00e1sadn\u00ed z\u016fst\u00e1v\u00e1 identifikace vhodn\u00e9 hlin\u00edkov\u00e9 slitiny pro tlakov\u00e9 lit\u00ed<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proces eloxov\u00e1n\u00ed poskytuje vynikaj\u00edc\u00ed v\u00fdsledky, pokud se aplikuje na hlin\u00edkov\u00e9 odlitky s n\u00edzk\u00fdm obsahem k\u0159em\u00edku nam\u00edsto vysok\u00e9ho obsahu k\u0159em\u00edku.<\/li>\n\n\n\n<li>Kvalita eloxov\u00e1n\u00ed se zhor\u0161uje p\u0159i pou\u017eit\u00ed tlakov\u011b lit\u00fdch hlin\u00edkov\u00fdch slitin obsahuj\u00edc\u00edch vysok\u00e9 mno\u017estv\u00ed m\u011bdi (Cu) nebo zinku (Zn).<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Kl\u00ed\u010dov\u00e1 je p\u0159\u00edprava povrchu<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odum\u0159el\u00e9 oleje a ne\u010distoty je t\u0159eba odstranit pomoc\u00ed alkalick\u00fdch \u010distic\u00edch prost\u0159edk\u016f.<\/li>\n\n\n\n<li>Povrchov\u00e9 ne\u010distoty uvnit\u0159 materi\u00e1lu vy\u017eaduj\u00ed roztoky kyselin, jako je chromov\u00e1 nebo s\u00edrov\u00e1, aby se tyto ne\u010distoty rozpustily.<\/li>\n\n\n\n<li>Proces desmutace vy\u017eaduje o\u0161et\u0159en\u00ed kyselinou dusi\u010dnou, aby se odstranily nepot\u0159ebn\u00e9 kovov\u00e9 ne\u010distoty.<\/li>\n\n\n\n<li>Rovnom\u011brnost povrchu se po eloxov\u00e1n\u00ed zlep\u0161uje pou\u017eit\u00edm mechanick\u00fdch metod le\u0161t\u011bn\u00ed, kter\u00e9 zahrnuj\u00ed brou\u0161en\u00ed nebo trysk\u00e1n\u00ed kuli\u010dkami.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. Nastaven\u00ed procesu eloxov\u00e1n\u00ed<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159i eloxov\u00e1n\u00ed si m\u016f\u017eete vybrat mezi eloxov\u00e1n\u00edm kyselinou s\u00edrovou (typ II) nebo tvrd\u00fdm eloxov\u00e1n\u00edm (typ III).<\/li>\n\n\n\n<li>Tento proces vy\u017eaduje kontrolu nap\u011bt\u00ed a teploty spolu s \u010dasov\u00fdmi intervaly, aby se materi\u00e1l nesp\u00e1lil nebo nezm\u011bnil barvu.<\/li>\n\n\n\n<li>Pro proces eloxov\u00e1n\u00ed je t\u0159eba pou\u017e\u00edt ni\u017e\u0161\u00ed proudovou hustotu, proto\u017ee tepan\u00fd hlin\u00edk vytv\u00e1\u0159\u00ed drsn\u011bj\u0161\u00ed povrchov\u00e9 \u00fapravy.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>4. N\u00e1sledn\u00e9 o\u0161et\u0159en\u00ed a ut\u011bsn\u011bn\u00ed<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159\u00edtomnost k\u0159em\u00edku vede k omezen\u00ed p\u0159i nan\u00e1\u0161en\u00ed matric b\u011bhem procesu barevn\u00e9ho eloxov\u00e1n\u00ed.<\/li>\n\n\n\n<li>Pro dosa\u017een\u00ed odolnosti proti korozi je t\u0159eba povrch ut\u011bsnit pomoc\u00ed acet\u00e1tu niklu nebo horkou vodou \u010di teflonov\u00fdm t\u011bsn\u011bn\u00edm.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Tvrd\u00e9 eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku: je to mo\u017en\u00e9?<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXczXVOnMH0msosenAMmccmnmHIvNvgpRrhyTcWaLzNQN2D5zu11iMLD2tHePBrQS3hWt21pM4z-VcpcPrDPpKIhgbzcujNX5VWqe784LlM_WAtBeDEkOY3QGVAyQJ6Mwk1C8egGD1renidxTY5Ch_Y?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"Eloxov\u00e1n\u00ed - WickWerks\"\/><\/figure>\n\n\n\n<p>Hlin\u00edkov\u00e9 tlakov\u00e9 odlitky mohou b\u00fdt opat\u0159eny tvrd\u00fdm eloxov\u00e1n\u00edm (povlaky typu III d\u00edky p\u0159esn\u00fdm p\u0159edpis\u016fm pro \u0159\u00edzen\u00ed procesu.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pou\u017e\u00edvejte n\u00edzkoteplotn\u00ed l\u00e1zn\u011b s kyselinou s\u00edrovou (-5\u00b0C a\u017e 0\u00b0C).<\/li>\n\n\n\n<li>Ke zvy\u0161ov\u00e1n\u00ed nap\u011bt\u00ed mus\u00ed doch\u00e1zet postupn\u011b, aby nedo\u0161lo k tepeln\u00e9mu po\u0161kozen\u00ed.<\/li>\n\n\n\n<li>Oxidov\u00e1 vrstva o tlou\u0161\u0165ce 25 a\u017e 50 mikron\u016f zaji\u0161\u0165uje lep\u0161\u00ed odolnost proti opot\u0159eben\u00ed, ale z\u00e1rove\u0148 zp\u016fsobuje, \u017ee povrch m\u00e1 jinou barvu.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Je t\u0159eba zv\u00e1\u017eit, zda je vhodn\u00e9 investovat do eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Spole\u010dnosti, kter\u00e9 se rozhodnou pro eloxovanou povrchovou \u00fapravu kv\u016fli vzhledu, by m\u011bly zv\u00e1\u017eit, zda tato mo\u017enost p\u0159in\u00e1\u0161\u00ed vhodn\u00e9 kosmetick\u00e9 v\u00fdsledky.<\/li>\n\n\n\n<li>Eloxovan\u00fd tlakov\u011b lit\u00fd hlin\u00edk z\u00edsk\u00e1v\u00e1 d\u00edky profesion\u00e1ln\u00edmu proveden\u00ed v\u00fdhodnou odolnost a ochranu proti korozi.<\/li>\n\n\n\n<li>Hlin\u00edkov\u00fd tlakov\u00fd odlitek m\u016f\u017ee proj\u00edt tvrdou eloxac\u00ed, ale v\u00fdsledn\u00fd vzhled nedos\u00e1hne \u00farovn\u011b, kter\u00e9 dosahuj\u00ed tepan\u00e9 hlin\u00edkov\u00e9 materi\u00e1ly.<\/li>\n<\/ul>\n\n\n\n<p>Dodr\u017eov\u00e1n\u00ed spr\u00e1vn\u00fdch postup\u016f p\u0159ed\u00fapravy se spr\u00e1vn\u00fdmi metodami eloxov\u00e1n\u00ed umo\u017e\u0148uje zv\u00fd\u0161it kvalitu eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Typy eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku<\/strong><\/h2>\n\n\n\n<p>eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku se pot\u00fdk\u00e1 s obt\u00ed\u017eemi, proto\u017ee obsahuje vysok\u00e9 mno\u017estv\u00ed k\u0159em\u00edku spolu s por\u00e9zn\u00ed strukturou a prom\u011bnliv\u00fdm slo\u017een\u00edm slitiny. R\u016fzn\u00e9 metody eloxov\u00e1n\u00ed p\u0159in\u00e1\u0161ej\u00ed r\u016fzn\u00e1 zlep\u0161en\u00ed odolnosti proti korozi, odolnosti proti opot\u0159eben\u00ed a kvality vzhledu povrchu. N\u00e1sleduj\u00edc\u00ed seznam zahrnuje t\u0159i hlavn\u00ed formy eloxov\u00e1n\u00ed, kter\u00e9 se pou\u017e\u00edvaj\u00ed na tlakov\u011b lit\u00fd hlin\u00edk.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Standardn\u00ed eloxov\u00e1n\u00ed p\u0159edstavuje proces eloxov\u00e1n\u00ed roztokem kyseliny s\u00edrov\u00e9 typu II.<\/strong><\/h3>\n\n\n\n<p>eloxov\u00e1n\u00ed typu II je p\u0159evl\u00e1daj\u00edc\u00edm procesem, kter\u00fd vyu\u017e\u00edv\u00e1 l\u00e1zn\u011b s kyselinou s\u00edrovou k vytv\u00e1\u0159en\u00ed oxidov\u00fdch vrstev na povrchu hlin\u00edku. Tento proces je dostate\u010dn\u011b odoln\u00fd proti korozi a umo\u017e\u0148uje pou\u017eit\u00ed v\u00edce barev.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Klady:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cenov\u011b v\u00fdhodn\u00e9 a \u0161iroce pou\u017e\u00edvan\u00e9.<\/li>\n\n\n\n<li>Eloxov\u00e1n\u00ed typu II poskytuje dekorativn\u00ed povrchovou \u00fapravu, pokud eloxovac\u00ed roztok obsahuje n\u00edzk\u00e9 koncentrace k\u0159em\u00edku.<\/li>\n\n\n\n<li>M\u00edrn\u00e1 odolnost proti opot\u0159eben\u00ed.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Nev\u00fdhody:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Materi\u00e1ly pro tlakov\u00e9 lit\u00ed s vysok\u00fdm obsahem k\u0159em\u00edku \u010dasto vytv\u00e1\u0159ej\u00ed na povrchu nevyhovuj\u00edc\u00ed \u0161ed\u00e9 a tmav\u011b zbarven\u00e9 nebo pruhovan\u00e9 okraje.<\/li>\n\n\n\n<li>Tvrd\u00e9 eloxov\u00e1n\u00ed nem\u016f\u017ee spr\u00e1vn\u011b absorbovat barviva, proto\u017ee k\u0159em\u00edk ovliv\u0148uje proces negativn\u011b.<\/li>\n\n\n\n<li>Nen\u00ed tak odoln\u00fd jako tvrd\u00fd elox.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Nejlep\u0161\u00ed p\u0159\u00edpady pou\u017eit\u00ed:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pouzdra spot\u0159ebn\u00ed elektroniky.<\/li>\n\n\n\n<li>Automobilov\u00e9 komponenty s minim\u00e1ln\u00edm opot\u0159eben\u00edm.<\/li>\n\n\n\n<li>Vhodn\u00fdmi kandid\u00e1ty pro tuto aplikaci jsou dekorativn\u00ed d\u00edly z hlin\u00edkov\u00e9 slitiny s n\u00edzk\u00fdm obsahem k\u0159em\u00edku.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Tvrd\u00e9 eloxov\u00e1n\u00ed (typ III - tvrd\u00e9 eloxov\u00e1n\u00ed pro tlakov\u011b lit\u00fd hlin\u00edk)<\/strong><\/h3>\n\n\n\n<p>T\u0159et\u00ed typ eloxov\u00e1n\u00ed, zn\u00e1m\u00fd jako tvrd\u00e9 eloxov\u00e1n\u00ed, vy\u017eaduje provozov\u00e1n\u00ed n\u00edzkoteplotn\u00ed l\u00e1zn\u011b s kyselinou s\u00edrovou p\u0159i vy\u0161\u0161\u00edm nap\u011bt\u00ed a vy\u0161\u0161\u00ed proudov\u00e9 hustot\u011b. Proces eloxov\u00e1n\u00ed vytv\u00e1\u0159\u00ed extr\u00e9mn\u011b odolnou vrstvu oxidu, kter\u00e1 se st\u00e1v\u00e1 siln\u011bj\u0161\u00ed.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Klady:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Poskytuje vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed a korozi.<\/li>\n\n\n\n<li>Tento proces vytv\u00e1\u0159\u00ed oxidov\u00e9 vrstvy, kter\u00e9 mohou dos\u00e1hnout maxim\u00e1ln\u00ed tlou\u0161\u0165ky 50 mikron\u016f, co\u017e jsou 2 milimetry.<\/li>\n\n\n\n<li>Tvrd\u00e9 eloxovan\u00e9 povrchy dosahuj\u00ed tvrdosti Rockwell C mezi 60-70, co\u017e je vynikaj\u00edc\u00ed pro pr\u016fmyslov\u00e9 pou\u017eit\u00ed.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Nev\u00fdhody:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vysok\u00e1 koncentrace atom\u016f k\u0159em\u00edku p\u0159i tomto procesu m\u00e1 za n\u00e1sledek ztmavnut\u00ed nevyhovuj\u00edc\u00edch povrch\u016f a nerovnom\u011brn\u00e9 v\u00fdsledky.<\/li>\n\n\n\n<li>Dekorativn\u00ed aplikace nemohou m\u00edt prosp\u011bch z pou\u017eit\u00ed tvrd\u00e9ho eloxov\u00e1n\u00ed jako dokon\u010dovac\u00edho procesu.<\/li>\n\n\n\n<li>Teplota spolu s \u00farovn\u00ed nap\u011bt\u00ed mus\u00ed b\u00fdt p\u0159esn\u011b monitorov\u00e1ny, aby se zabr\u00e1nilo pop\u00e1len\u00ed za\u0159\u00edzen\u00ed b\u011bhem tohoto procesu.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Nejlep\u0161\u00ed p\u0159\u00edpady pou\u017eit\u00ed:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Leteck\u00e9 a vojensk\u00e9 komponenty.<\/li>\n\n\n\n<li>Pr\u016fmyslov\u00e9 stroje a n\u00e1stroje.<\/li>\n\n\n\n<li>Pr\u016fmyslov\u00e9 technick\u00e9 po\u017eadavky na d\u00edly automobilov\u00fdch motor\u016f vy\u017eaduj\u00ed vysokou odolnost.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Proces eloxov\u00e1n\u00ed kyselinou chromovou se \u0159\u00edd\u00ed specifikacemi eloxov\u00e1n\u00ed typu I - MIL-A-8625 typ I.<\/strong><\/h3>\n\n\n\n<p>Pou\u017eit\u00ed eloxov\u00e1n\u00ed kyselinou chromovou spo\u010d\u00edv\u00e1 v poskytov\u00e1n\u00ed jemn\u00fdch tenkovrstv\u00fdch eloxovan\u00fdch povrchov\u00fdch \u00faprav na sou\u010d\u00e1stech, kter\u00e9 vy\u017eaduj\u00ed minim\u00e1ln\u00ed rozm\u011brov\u00e9 zm\u011bny. Proces eloxov\u00e1n\u00ed poskytuje dobrou odolnost proti korozi, a\u010dkoli eloxov\u00e1n\u00ed typu III vytv\u00e1\u0159\u00ed ve srovn\u00e1n\u00ed s touto metodou lep\u0161\u00ed v\u00fdsledky proti opot\u0159eben\u00ed.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Klady:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tento proces p\u0159in\u00e1\u0161\u00ed optim\u00e1ln\u00ed v\u00fdsledky pro pr\u00e1ci s tenk\u00fdmi tlakov\u011b lit\u00fdmi d\u00edly spolu s po\u017eadavky na p\u0159esn\u00e9 obr\u00e1b\u011bn\u00ed.<\/li>\n\n\n\n<li>Postup eloxov\u00e1n\u00ed prob\u00edh\u00e1 p\u0159i sn\u00ed\u017een\u00e9 intenzit\u011b, co\u017e p\u0159in\u00e1\u0161\u00ed bezpe\u010dnostn\u00ed v\u00fdhody pro sou\u010d\u00e1sti na b\u00e1zi silliconu.<\/li>\n\n\n\n<li>Ochrann\u00e9 vlastnosti proti korozi p\u0159ekon\u00e1vaj\u00ed eloxov\u00e1n\u00ed typu II.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Nev\u00fdhody:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00darove\u0148 odolnosti proti opot\u0159eben\u00ed dosa\u017een\u00e1 kysel\u00fdm eloxov\u00e1n\u00edm je ni\u017e\u0161\u00ed ne\u017e u eloxov\u00e1n\u00ed typu III.<\/li>\n\n\n\n<li>Vzd\u011bl\u00e1vac\u00ed a pravideln\u00e9 programy by m\u011bly kontrolovat pou\u017e\u00edv\u00e1n\u00ed kyseliny chromov\u00e9, proto\u017ee p\u0159edstavuje nebezpe\u010d\u00ed pro \u017eivotn\u00ed prost\u0159ed\u00ed.<\/li>\n\n\n\n<li>Omezen\u00e9 mo\u017enosti barev, obvykle pouze \u0161ed\u00e9 nebo \u010dir\u00e9.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Nejlep\u0161\u00ed p\u0159\u00edpady pou\u017eit\u00ed:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tento proces je vhodn\u00fd pro sou\u010d\u00e1sti letadel, kter\u00e9 si mus\u00ed zachovat sv\u00e9 p\u0159esn\u00e9 rozm\u011bry.<\/li>\n\n\n\n<li>Pot\u0159eby l\u00e9ka\u0159sk\u00fdch p\u0159\u00edstroj\u016f, kter\u00e9 vy\u017eaduj\u00ed odolnost proti korozi, vytv\u00e1\u0159ej\u00ed vhodn\u00e9 aplikace.<\/li>\n\n\n\n<li>Tento postup se nejl\u00e9pe hod\u00ed pro mal\u00e9 odlitky, kter\u00e9 pot\u0159ebuj\u00ed tenkou ochrannou vrstvu.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Kter\u00fd typ eloxov\u00e1n\u00ed je nejlep\u0161\u00ed pro tlakov\u011b lit\u00fd hlin\u00edk?<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Typ eloxov\u00e1n\u00ed<\/strong><\/td><td><strong>Nejlep\u0161\u00ed pro<\/strong><\/td><td><strong>Nevhodn\u00e9 pro<\/strong><\/td><td><strong>Vzhled<\/strong><\/td><\/tr><tr><td><strong>Typ I (kyselina chromov\u00e1)<\/strong><\/td><td>P\u0159esn\u00e9 d\u00edly, letadla, l\u00e9ka\u0159sk\u00e9 aplikace<\/td><td>Pr\u016fmyslov\u00e9 d\u00edly odoln\u00e9 proti opot\u0159eben\u00ed<\/td><td>Tenk\u00fd, \u0161ed\u00fd\/\u010dir\u00fd povrch<\/td><\/tr><tr><td><strong>Typ II (standardn\u00ed kyselina s\u00edrov\u00e1)<\/strong><\/td><td>Dekorativn\u00ed povrchov\u00e9 \u00fapravy, obecn\u00e9 pou\u017eit\u00ed<\/td><td>Slitiny s vysok\u00fdm obsahem k\u0159em\u00edku, d\u00edly podl\u00e9haj\u00edc\u00ed siln\u00e9mu opot\u0159eben\u00ed<\/td><td>Sv\u011btle \u0161ed\u00e1, m\u016f\u017ee b\u00fdt barven\u00e1 (p\u0159i n\u00edzk\u00e9m obsahu k\u0159em\u00edku)<\/td><\/tr><tr><td><strong>Typ III (tvrd\u00e9 eloxov\u00e1n\u00ed)<\/strong><\/td><td>Pr\u016fmyslov\u00e9 a leteck\u00e9 aplikace a aplikace s vysok\u00fdm opot\u0159eben\u00edm<\/td><td>Dekorativn\u00ed aplikace<\/td><td>Tmav\u011b \u0161ed\u00e1\/\u010dern\u00e1, hrub\u00e1 struktura<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>Tabulka 1 Nejlep\u0161\u00ed metoda eloxov\u00e1n\u00ed z\u00e1vis\u00ed na zam\u00fd\u0161len\u00e9m pou\u017eit\u00ed<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nejvhodn\u011bj\u0161\u00ed volbou pro pr\u016fmyslov\u00e9 aplikace je tvrd\u00e9 eloxov\u00e1n\u00ed (typ III).<\/li>\n\n\n\n<li>Postup eloxov\u00e1n\u00ed zn\u00e1m\u00fd jako typ II m\u016f\u017ee b\u00fdt vhodn\u00fd pro dekorativn\u00ed \u00fa\u010dely vzhledem k n\u00edzk\u00e9mu obsahu k\u0159em\u00edku v hlin\u00edku.<\/li>\n\n\n\n<li>Eloxov\u00e1n\u00ed kyselinou chromovou typu I poskytuje nejlep\u0161\u00ed antikorozn\u00ed ochranu tenk\u00fdch d\u00edl\u016f.<\/li>\n\n\n\n<li>N\u00e1sleduj\u00edc\u00ed \u010d\u00e1st se bude zab\u00fdvat kompletn\u00ed metodou eloxov\u00e1n\u00ed hlin\u00edkov\u00fdch odlitk\u016f, aby bylo dosa\u017eeno optim\u00e1ln\u00edch v\u00fdsledk\u016f.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Postup eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku krok za krokem<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeITNxXKu8n4XMX6MM7wUBbDQ6Mdner7EUe2MDGSFQmskQ1xlc2TfDP5h6wvBLBohsHtOPetvdSEAiwBDBM-OJyfyLJ1txxwkHYV2agXQkvcnc2nuDJ5gouOB2SWPKbPSQOIu9o9CAXHRATI3HATV4?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"\"\/><\/figure>\n\n\n\n<p>Proces eloxov\u00e1n\u00ed je pro tlakov\u011b lit\u00fd hlin\u00edk ve srovn\u00e1n\u00ed s tepan\u00fdm hlin\u00edkem obt\u00ed\u017en\u00fd kv\u016fli vysok\u00e9mu obsahu k\u0159em\u00edku a por\u00e9zn\u00ed struktu\u0159e spolu s leguj\u00edc\u00edmi prvky. Spr\u00e1vn\u00e1 kontrola zpracov\u00e1n\u00ed spolu s vhodn\u00fdmi p\u0159\u00edpravn\u00fdmi postupy povede k trvanliv\u00fdm funk\u010dn\u00edm eloxovan\u00fdm vrstv\u00e1m. N\u00e1sleduj\u00edc\u00ed postup popisuje proces eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Krok 1: V\u00fdb\u011br spr\u00e1vn\u00e9 slitiny<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pro lep\u0161\u00ed v\u00fdsledky eloxov\u00e1n\u00ed zvolte hlin\u00edkovou slitinu s n\u00edzk\u00fdm obsahem k\u0159em\u00edku.<\/li>\n\n\n\n<li>Hlin\u00edkov\u00e9 odlitky obsahuj\u00edc\u00ed vy\u0161\u0161\u00ed obsah k\u0159em\u00edku ne\u017e 8% zp\u016fsob\u00ed, \u017ee povrch bude obt\u00ed\u017en\u011b zvl\u00e1dnuteln\u00fd a tmav\u00fd.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Doporu\u010den\u00e9 slitiny:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K eloxov\u00e1n\u00ed doch\u00e1z\u00ed optim\u00e1ln\u011b p\u0159i pou\u017eit\u00ed hlin\u00edku A356 nebo 6061, proto\u017ee obsahuj\u00ed n\u00edzk\u00e9 mno\u017estv\u00ed k\u0159em\u00edku.<\/li>\n\n\n\n<li>Dv\u011b b\u011b\u017en\u011b pou\u017e\u00edvan\u00e9 hlin\u00edkov\u00e9 slitiny pro tlakov\u00e9 lit\u00ed ADC12 a A380 vy\u017eaduj\u00ed p\u0159ed eloxov\u00e1n\u00edm specifick\u00e9 postupy p\u0159ed\u00fapravy.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Krok 2: P\u0159\u00edprava povrchu<\/strong><\/h3>\n\n\n\n<p>Pro dosa\u017een\u00ed rovnom\u011brn\u00e9 povrchov\u00e9 \u00fapravy eloxovan\u00e9ho hlin\u00edkov\u00e9ho odlitku je nezbytn\u00e9 odstranit povrchov\u00e9 ne\u010distoty a k\u0159em\u00edkov\u00e9 vm\u011bstky se v\u0161emi p\u0159\u00edtomn\u00fdmi oxidy.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Proces \u010di\u0161t\u011bn\u00ed:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odstran\u011bn\u00ed oleje a ne\u010distot vy\u017eaduje ve f\u00e1zi odma\u0161\u0165ov\u00e1n\u00ed bu\u010f alkalick\u00e9 \u010distic\u00ed prost\u0159edky, nebo \u010distic\u00ed prost\u0159edky na b\u00e1zi rozpou\u0161t\u011bdel.<\/li>\n\n\n\n<li>Pro odstran\u011bn\u00ed ne\u010distot je t\u0159eba povrch pono\u0159it do roztoku obsahuj\u00edc\u00edho kaustickou sodu (NaOH).<\/li>\n\n\n\n<li>Odstran\u011bn\u00ed ne\u017e\u00e1douc\u00edch oxid\u016f vy\u017eaduje pou\u017eit\u00ed kyseliny dusi\u010dn\u00e9 nebo kyseliny fluorovod\u00edkov\u00e9 jako desmuta\u010dn\u00edch \u010dinidel.<\/li>\n\n\n\n<li>Voliteln\u00fd krok mechanick\u00e9ho le\u0161t\u011bn\u00ed zahrnuje p\u00edskov\u00e1n\u00ed nebo trysk\u00e1n\u00ed kuli\u010dek pro dosa\u017een\u00ed lep\u0161\u00ed rovnom\u011brnosti povrchu t\u011bsn\u011b p\u0159ed eloxov\u00e1n\u00edm.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Krok 3: Proces eloxov\u00e1n\u00ed<\/strong><\/h3>\n\n\n\n<p>Vlo\u017een\u00ed do elektrolytick\u00e9 l\u00e1zn\u011b po vy\u010di\u0161t\u011bn\u00ed hlin\u00edku umo\u017e\u0148uje, aby se na povrchu vytvo\u0159ila vrstva oxidu.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Parametr<\/strong><\/td><td><strong>Typ II (standardn\u00ed)<\/strong><\/td><td><strong>Typ III (tvrd\u00e9 eloxov\u00e1n\u00ed)<\/strong><\/td><\/tr><tr><td><strong>Elektrolyty<\/strong><\/td><td>Kyselina s\u00edrov\u00e1 (15-20% w\/v)<\/td><td>Kyselina s\u00edrov\u00e1 (15-20% w\/v)<\/td><\/tr><tr><td><strong>Teplota<\/strong><\/td><td>18-22\u00b0C (64-72\u00b0F)<\/td><td>-5 a\u017e 0\u00b0C (23-32\u00b0F)<\/td><\/tr><tr><td><strong>Hustota proudu<\/strong><\/td><td>12-24 ASF (1,3-2,6 A\/dm\u00b2)<\/td><td>24-36 ASF (2,6-3,9 A\/dm\u00b2)<\/td><\/tr><tr><td><strong>\u010cas<\/strong><\/td><td>20-60 minut<\/td><td>60-120 minut<\/td><\/tr><tr><td><strong>Tlou\u0161\u0165ka vrstvy<\/strong><\/td><td>5-25 mikron\u016f<\/td><td>25-50 mikron\u016f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>Tabulka 2 Kl\u00ed\u010dov\u00e9 parametry eloxov\u00e1n\u00ed:<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Krok 4: Barven\u00ed (voliteln\u00e9)<\/strong><\/h3>\n\n\n\n<p>P\u0159\u00edtomnost k\u0159em\u00edku zabra\u0148uje tomu, aby eloxovan\u00fd tlakov\u011b lit\u00fd hlin\u00edk spr\u00e1vn\u011b p\u0159ij\u00edmal barviva ve sv\u00e9 struktu\u0159e.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u010cern\u00e1 spolu s tmav\u011b \u0161edou a bronzovou barvou jsou nejvhodn\u011bj\u0161\u00edmi barvami pro eloxovan\u00fd tlakov\u011b lit\u00fd hlin\u00edk.<\/li>\n\n\n\n<li>Vzhled modr\u00fdch, \u010derven\u00fdch a \u017elut\u00fdch t\u00f3n\u016f se zobrazuje nepravideln\u011b kv\u016fli interferenci k\u0159em\u00edku na eloxovan\u00e9m tlakov\u011b lit\u00e9m hlin\u00edku.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Krok 5: T\u011bsn\u011bn\u00ed eloxovan\u00e9 vrstvy<\/strong><\/h3>\n\n\n\n<p>Pou\u017eit\u00ed t\u011bsnic\u00ed hmoty je z\u00e1sadn\u00ed, proto\u017ee posiluje ochranu proti korozi a \u017eivotnost materi\u00e1lu.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159i eloxov\u00e1n\u00ed typu II se standardn\u011b pou\u017e\u00edv\u00e1 ut\u011bsn\u011bn\u00ed horkou vodou p\u0159i teplot\u00e1ch mezi 98 a 100 stupni Celsia.<\/li>\n\n\n\n<li>Zejm\u00e9na u tvrd\u011b eloxovan\u00fdch sou\u010d\u00e1st\u00ed by se m\u011bla pou\u017e\u00edt t\u011bsnic\u00ed \u00faprava acet\u00e1tem niklu, aby se dos\u00e1hlo maxim\u00e1ln\u00ed odolnosti proti opot\u0159eben\u00ed.<\/li>\n\n\n\n<li>PTFE (teflonov\u00e9) t\u011bsn\u011bn\u00ed - ide\u00e1ln\u00ed pro pr\u016fmyslov\u00e9 a leteck\u00e9 aplikace.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Osv\u011bd\u010den\u00e9 postupy a tipy pro eloxov\u00e1n\u00ed lit\u00e9ho hlin\u00edku<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Jako preferovanou volbu pro eloxov\u00e1n\u00ed zvolte slitiny s n\u00edzk\u00fdm obsahem k\u0159em\u00edku.<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proces anodizace vede k lep\u0161\u00edm v\u00fdsledk\u016fm p\u0159i pou\u017eit\u00ed slitin s obsahem k\u0159em\u00edku ni\u017e\u0161\u00edm ne\u017e 8%.<\/li>\n\n\n\n<li>Pro eloxov\u00e1n\u00ed slitin tlakov\u00fdch odlitk\u016f s vysok\u00fdm obsahem k\u0159em\u00edku je nutn\u00e9 p\u0159edle\u0161t\u011bn\u00ed spolu s o\u0161et\u0159en\u00edm kyselinou chromovou.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Zlep\u0161en\u00ed povrchov\u00e9 \u00fapravy pomoc\u00ed p\u0159ed\u00fapravy<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proces trysk\u00e1n\u00ed kuli\u010dkami p\u0159in\u00e1\u0161\u00ed dv\u011b v\u00fdhody, kter\u00e9 vyhlazuj\u00ed drsn\u00e9 povrchy a z\u00e1rove\u0148 zlep\u0161uj\u00ed celkovou rovnom\u011brnost povlaku.<\/li>\n\n\n\n<li>Dvojit\u00e1 desmutace, kter\u00e1 zahrnuje dv\u011b pono\u0159en\u00ed do kyseliny dusi\u010dn\u00e9 p\u0159ed eloxov\u00e1n\u00edm, odstran\u00ed z povrchu dal\u0161\u00ed materi\u00e1ly.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0158\u00edzen\u00ed teploty a nap\u011bt\u00ed b\u011bhem eloxov\u00e1n\u00ed<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proces eloxov\u00e1n\u00ed dosahuje lep\u0161\u00edch v\u00fdsledk\u016f p\u0159i n\u00edzk\u00fdch teplot\u00e1ch a pomal\u00e9m zvy\u0161ov\u00e1n\u00ed nap\u011bt\u00ed, aby se zabr\u00e1nilo elektrolytick\u00e9mu po\u0161kozen\u00ed.<\/li>\n\n\n\n<li>Pas\u00e1\u017e uv\u00e1d\u00ed, \u017ee pou\u017eit\u00ed vy\u0161\u0161\u00edch proudov\u00fdch hustot b\u011bhem eloxov\u00e1n\u00ed zlep\u0161uje r\u016fst siln\u00fdch vrstev p\u0159i tvrd\u00e9m eloxov\u00e1n\u00ed.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Omezen\u00ed eloxov\u00e1n\u00ed na tmav\u00e9 odst\u00edny<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u010cern\u00e1 a tmav\u011b \u0161ed\u00e1 barva se nejl\u00e9pe hod\u00ed na hlin\u00edkov\u00e9 tlakov\u00e9 odlitky s vysok\u00fdm obsahem k\u0159em\u00edku.<\/li>\n\n\n\n<li>Sv\u011btl\u00e1 barviva maj\u00ed tendenci vytv\u00e1\u0159et p\u0159i aplikaci neuspokojiv\u00e9 nekonzistentn\u00ed vzory.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pou\u017eit\u00ed tvrd\u011b eloxovan\u00e9ho tlakov\u011b lit\u00e9ho hlin\u00edku<\/strong><\/h2>\n\n\n\n<p>D\u00edky zv\u00fd\u0161en\u00e9 odolnosti proti opot\u0159eben\u00ed, odolnosti proti korozi a trvanlivosti je tvrd\u00e9 eloxov\u00e1n\u00ed vhodn\u00e9 pro:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Letectv\u00ed a obrana<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXe_Ts9Eh3meXqASeINEMysLxfSdicgaq6WaDkSRP38_eh-odQp9srfJApK4_H_nOGT5wWcdyJwIp74j_vMY3kN7fixb1u3hnO7akkq-CkE7Gfrbs6GtW863tmd5xCydmIWdoVdyMqaljmRI7uqyz8I?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"Letectv\u00ed a obrana - E Control Devices\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tvrd\u00e1 eloxace \u00fa\u010dinn\u011b o\u0161et\u0159uje d\u00edly leteck\u00fdch motor\u016f, proto\u017ee zvy\u0161uje tepelnou odolnost b\u011bhem letu a z\u00e1rove\u0148 sni\u017euje opot\u0159eben\u00ed d\u00edl\u016f.<\/li>\n\n\n\n<li>Pouzdra a sk\u0159\u00edn\u011b vojensk\u00e9ho standardu pou\u017e\u00edvaj\u00ed eloxovan\u00e9 povrchov\u00e9 \u00fapravy, kter\u00e9 odol\u00e1vaj\u00ed n\u00e1ro\u010dn\u00fdm podm\u00ednk\u00e1m.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Automobilov\u00fd pr\u016fmysl a doprava<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeIHwmvex4cj8g-TsEUwumQg6kUFVVEz-7N3xttBzW4rtOGg1zrovRCAw2lw5a-vESQhJm-01i0TGfrNIJPLqB6nPLmGYc9JK35xH6TiGWiFwAyNEu9YtHbiA2SulGhcRNClwfz8APMMP5hgY1owRw?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"Sweco Group - Jak se automobilov\u00fd pr\u016fmysl st\u00e1v\u00e1 zelen\u00fdm\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sou\u010d\u00e1sti p\u0159evodovek, motor\u016f a brzd vyu\u017e\u00edvaj\u00ed postupy tvrd\u00e9ho eloxov\u00e1n\u00ed.<\/li>\n\n\n\n<li>Vysok\u00e9 n\u00e1roky na odolnost sou\u010d\u00e1st\u00ed motocykl\u016f a j\u00edzdn\u00edch kol vy\u017eaduj\u00ed d\u00edly, kter\u00e9 se podrobuj\u00ed tvrd\u00e9 eloxovac\u00ed \u00faprav\u011b.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pr\u016fmyslov\u00e1 za\u0159\u00edzen\u00ed a stroje<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfPTxd1Ucp6VIT9cm9Tac5vquSuUYKQXHipB4YCuTcKRcMxRdBOvPQRt6NVAZ5qhCpOJY62oV5f7aa5EJFTa7Qp8uOl7PQVIvzmDnyusg4fnji7iQ0QopN9J-XlAgKyxg6_SrF2T6IVXwCWVuhNSlc?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"ERP pom\u00e1h\u00e1 p\u0159i \u0159e\u0161en\u00ed probl\u00e9m\u016f ve v\u00fdrob\u011b pr\u016fmyslov\u00fdch stroj\u016f a za\u0159\u00edzen\u00ed\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hydraulick\u00e9 a pneumatick\u00e9 v\u00e1lce jsou opat\u0159eny tvrdou eloxovac\u00ed \u00fapravou, kter\u00e1 zvy\u0161uje jejich odolnost proti opot\u0159eben\u00ed.<\/li>\n\n\n\n<li>Ozuben\u00e1 kola, ventily a pr\u016fmyslov\u00e9 n\u00e1stroje - zv\u00fd\u0161en\u00e1 mazivost a \u017eivotnost.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Spot\u0159ebn\u00ed elektronika a l\u00e9ka\u0159sk\u00e9 p\u0159\u00edstroje<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeEKnJelfSsDIN1D_w5osl6wLln7Ko57pk8XQYLuW8uZugHrBvSMA2zy49KLbxkT67PTUiRzaTptGyIAkT3ora503v6g-iSpn50qdKWfj4rkwyBZv7x5GVax8PnilRsFwPH_A9O0I_-5Aqr8AGThdI?key=kH_1hF1RCR0TEcHgI4MRxPOO\" alt=\"P\u0159ekr\u00fdv\u00e1n\u00ed v\u00fdroby elektroniky a zdravotnick\u00fdch prost\u0159edk\u016f\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tvrd\u00e1 eloxovan\u00e1 ochrana notebook\u016f a mobiln\u00edch za\u0159\u00edzen\u00ed a fotoapar\u00e1t\u016f zvy\u0161uje jejich odolnost proti od\u011brk\u00e1m.<\/li>\n\n\n\n<li>Eloxovan\u00e9 l\u00e9ka\u0159sk\u00e9 n\u00e1stroje a implant\u00e1ty z\u00edsk\u00e1vaj\u00ed biokompatibiln\u00ed vlastnosti, kter\u00e9 zabra\u0148uj\u00ed korozi.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Z\u00e1v\u011br<\/strong><\/h2>\n\n\n\n<p>Vysok\u00fd obsah k\u0159em\u00edku spolu s p\u00f3rovitost\u00ed a leguj\u00edc\u00edmi prvky v hlin\u00edkov\u00e9m tlakov\u00e9m odlitku p\u0159edstavuje zvl\u00e1\u0161tn\u00ed obt\u00ed\u017ee p\u0159i eloxov\u00e1n\u00ed, proto\u017ee ovliv\u0148uje r\u016fst rovnom\u011brn\u00e9 vrstvy oxidu. \u0158\u00edzen\u00ed krok\u016f p\u0159ed\u00fapravy a volba vhodn\u00fdch technik eloxov\u00e1n\u00ed a monitorov\u00e1n\u00ed proces\u016f umo\u017e\u0148uje v\u00fdrobu materi\u00e1lu s vy\u0161\u0161\u00ed trvanlivost\u00ed a lep\u0161\u00ed odolnost\u00ed proti korozi i zv\u00fd\u0161enou odolnost\u00ed proti opot\u0159eben\u00ed. S\u00edla ochrann\u00e9 vrstvy se li\u0161\u00ed mezi eloxov\u00e1n\u00edm typu II v roztoku kyseliny s\u00edrov\u00e9 a tvrd\u00fdm eloxov\u00e1n\u00edm typu III v z\u00e1vislosti na tom, zda tuto ochranu vy\u017eaduj\u00ed pr\u016fmyslov\u00e9 nebo vysoce v\u00fdkonn\u00e9 aplikace. Eloxov\u00e1n\u00ed roztokem kyseliny chromov\u00e9 (typ I) nach\u00e1z\u00ed zvl\u00e1\u0161tn\u00ed hodnotu p\u0159i ochran\u011b tenk\u00fdch p\u0159esn\u00fdch prvk\u016f, kter\u00e9 vy\u017eaduj\u00ed minim\u00e1ln\u00ed \u00fapravu velikosti. Kone\u010dn\u00e1 kvalita eloxovan\u00e9 povrchov\u00e9 \u00fapravy hlin\u00edkov\u00fdch tlakov\u00fdch odlitk\u016f do zna\u010dn\u00e9 m\u00edry z\u00e1vis\u00ed na tom, jak dob\u0159e jsou tlakov\u00e9 odlitky p\u0159ed eloxov\u00e1n\u00edm p\u0159ipraveny a jak dob\u0159e jsou kontrolov\u00e1ny podm\u00ednky elektrolytu a t\u011bsnic\u00ed postupy. Omezen\u00ed absorpce barviva se t\u00fdkaj\u00ed p\u0159edev\u0161\u00edm slou\u010denin s vysok\u00fdm obsahem k\u0159em\u00edku, ale eloxov\u00e1n\u00ed i nad\u00e1le poskytuje cenn\u00e9 vylep\u0161en\u00ed povrchu automobilov\u00fdch a leteck\u00fdch sou\u010d\u00e1st\u00ed vedle pr\u016fmyslov\u00fdch stroj\u016f a l\u00e9ka\u0159sk\u00fdch p\u0159\u00edstroj\u016f i spot\u0159ebn\u00ed elektroniky. \u00fa\u010delov\u00fd v\u00fdb\u011br materi\u00e1l\u016f v kombinaci s optim\u00e1ln\u00edmi hodnotami procesn\u00edch parametr\u016f a dodr\u017eov\u00e1n\u00edm osv\u011bd\u010den\u00fdch postup\u016f pom\u00e1h\u00e1 v\u00fdrobc\u016fm dos\u00e1hnout eloxov\u00e1n\u00ed tlakov\u011b lit\u00e9ho hlin\u00edku, aby dos\u00e1hli po\u017eadovan\u00fdch o\u010dek\u00e1van\u00fdch v\u00fdkon\u016f a splnili po\u017eadavky pr\u016fmyslu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u010casto kladen\u00e9 ot\u00e1zky (FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Proces eloxov\u00e1n\u00ed se prov\u00e1d\u00ed na hlin\u00edkov\u00fdch tlakov\u00fdch odlitc\u00edch s vysok\u00fdm obsahem k\u0159em\u00edku.<\/strong><\/h3>\n\n\n\n<p>Hlin\u00edkov\u00e9 tlakov\u00e9 odlitky s vysok\u00fdm obsahem k\u0159em\u00edku typ\u016f ADC12 a A380 se obt\u00ed\u017en\u011b eloxuj\u00ed kv\u016fli k\u0159em\u00edku, kter\u00fd naru\u0161uje proces tvorby rovnom\u011brn\u00fdch oxidov\u00fdch vrstev. U takov\u00fdch materi\u00e1l\u016f se p\u0159i eloxov\u00e1n\u00ed obvykle st\u00e1v\u00e1, \u017ee vytv\u00e1\u0159ej\u00ed nerovnom\u011brn\u00fd a tmav\u00fd vzhled. V\u00fdsledek eloxov\u00e1n\u00ed vy\u017eaduje rozs\u00e1hl\u00e9 metody p\u0159edb\u011b\u017en\u00e9 \u00fapravy v\u010detn\u011b mechanick\u00e9ho le\u0161t\u011bn\u00ed a trysk\u00e1n\u00ed kuli\u010dkami a o\u0161et\u0159en\u00ed kyselinou chromovou jako prvn\u00edho kroku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Povrch eloxovan\u00e9ho tlakov\u011b lit\u00e9ho hlin\u00edku vykazuje jak tmav\u00e9 oblasti, tak oblasti s nerovnom\u011brnou pigmentac\u00ed.<\/strong><\/h3>\n\n\n\n<p>Tvorba vrstvy oxidu kovu z\u016fst\u00e1v\u00e1 na hlin\u00edkov\u00e9m odlitku ne\u00fapln\u00e1, proto\u017ee koncentrace k\u0159em\u00edku v kovu br\u00e1n\u00ed plynul\u00e9mu provozu. N\u00e1sledn\u00e1 vysok\u00e1 hladina k\u0159em\u00edku p\u0159esahuj\u00edc\u00ed 8% ve slitin\u00e1ch zp\u016fsobuje, \u017ee eloxovan\u00e9 povrchy jsou \u0161ed\u00e9 nebo tmav\u00e9 nebo vykazuj\u00ed nerovnom\u011brn\u00fd vzhled po cel\u00e9m povrchu. Prevence tohoto probl\u00e9mu z\u00e1vis\u00ed na pou\u017eit\u00ed vhodn\u00fdch proces\u016f p\u0159ed\u00fapravy, mezi kter\u00e9 pat\u0159\u00ed odmo\u0159en\u00ed kyselinou dusi\u010dnou v kombinaci s mechanick\u00fdm le\u0161t\u011bn\u00edm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Mohou eloxovan\u00e9 hlin\u00edkov\u00e9 tlakov\u00e9 odlitky proch\u00e1zet barvic\u00edmi procesy?<\/strong><\/h3>\n\n\n\n<p>P\u0159\u00edtomnost k\u0159em\u00edku v eloxovan\u00e9m tlakov\u011b lit\u00e9m hlin\u00edku znemo\u017e\u0148uje postupy barven\u00ed, proto\u017ee br\u00e1n\u00ed tvorb\u011b oxidov\u00e9 vrstvy, kter\u00e1 zabra\u0148uje pronik\u00e1n\u00ed barvy. Nejlep\u0161\u00ed v\u00fdsledky vznikaj\u00ed p\u0159i pou\u017eit\u00ed \u010dern\u00e9 a tmav\u011b \u0161ed\u00e9 barvy, proto\u017ee sv\u011btl\u00e9 nebo jasn\u00e9 odst\u00edny mohou v\u00e9st k nerovnom\u011brn\u00fdm v\u00fdsledk\u016fm. Tvrd\u00fd eloxovan\u00fd hlin\u00edk se strukturou typu III z\u016fst\u00e1v\u00e1 nebarven\u00fd, proto\u017ee jeho hust\u00e1 hustota a tmav\u00e9 zbarven\u00ed br\u00e1n\u00ed absorpci barviv.<\/p>","protected":false},"excerpt":{"rendered":"<p>The multiple industries utilize aluminum due to its three main advantages which include weight reduction and durability alongside corrosion resistance properties. The basic state of aluminum surfaces demands supplementary protective measures since they need to preserve both their durability and visible quality. Anodizing cast aluminum serves as a popular electrochemical technique which creates reinforced aluminum [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1464,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[17,28,27,30,21,20,24,25,22],"class_list":["post-1463","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-die-casting","tag-aluminium-part","tag-anodize-cast-aluminum","tag-anodizing-cast-aluminum","tag-cast-aluminum","tag-die-casting","tag-die-casting-parts","tag-how-die-casting-works","tag-the-die-casting-process","tag-what-is-die-casting"],"_links":{"self":[{"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/posts\/1463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/comments?post=1463"}],"version-history":[{"count":0,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/posts\/1463\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/media\/1464"}],"wp:attachment":[{"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/media?parent=1463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/categories?post=1463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/tags?post=1463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}