{"id":12316,"date":"2025-08-21T11:05:30","date_gmt":"2025-08-21T03:05:30","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=12316"},"modified":"2025-08-21T11:05:30","modified_gmt":"2025-08-21T03:05:30","slug":"jak-eloxovat-hlinik","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/how-to-anodize-aluminum\/","title":{"rendered":"Jak eloxovat hlin\u00edk?"},"content":{"rendered":"

\"proces
Hlin\u00edkov\u00fd d\u00edl po CNC a eloxovan\u00e9 povrchov\u00e9 \u00faprav\u011b<\/figcaption><\/figure>\n<\/p>\n

Kdysi jsem si myslel, \u017ee eloxov\u00e1n\u00ed hlin\u00edku um\u00ed jen tov\u00e1rny. Ale po prostudov\u00e1n\u00ed jednotliv\u00fdch krok\u016f jsem zjistil, \u017ee p\u0159i spr\u00e1vn\u00e9m nastaven\u00ed m\u016f\u017ee ka\u017ed\u00fd pochopit, jak to funguje.<\/p>\n

Eloxov\u00e1n\u00ed hlin\u00edku je n\u011bkolikastup\u0148ov\u00fd elektrochemick\u00fd proces, kter\u00fd zesiluje p\u0159irozenou vrstvu oxidu, \u010d\u00edm\u017e se zvy\u0161uje odolnost proti korozi, trvanlivost a povrchov\u00e1 \u00faprava.<\/strong><\/p>\n

Jakmile jsem pochopil cel\u00fd proces - od \u010di\u0161t\u011bn\u00ed a\u017e po ut\u011bsn\u011bn\u00ed - mohl jsem kone\u010dn\u011b pochopit, pro\u010d se tak hojn\u011b pou\u017e\u00edv\u00e1 v letectv\u00ed, stavebnictv\u00ed a spot\u0159ebn\u00ed elektronice.<\/p>\n

\n

Jak\u00e9 jsou kroky p\u0159i eloxov\u00e1n\u00ed hlin\u00edku?<\/h2>\n

Kdy\u017e jsem se poprv\u00e9 zaj\u00edmal o eloxov\u00e1n\u00ed, zd\u00e1lo se mi to matouc\u00ed. P\u0159\u00edli\u0161 mnoho chemik\u00e1li\u00ed, krok\u016f a dr\u00e1t\u016f. Ale pak jsem si to rozd\u011blil do jednoduch\u00fdch f\u00e1z\u00ed.<\/p>\n

Proces eloxov\u00e1n\u00ed zahrnuje \u010di\u0161t\u011bn\u00ed, lept\u00e1n\u00ed, odlept\u00e1n\u00ed, eloxov\u00e1n\u00ed v kysel\u00e9 l\u00e1zni, voliteln\u00e9 barven\u00ed a ut\u011bsn\u011bn\u00ed.<\/strong><\/p>\n

\"nastaven\u00ed
Modul\u00e1rn\u00ed hlin\u00edkov\u00fd profil vhodn\u00fd pro eloxovac\u00ed praxi<\/figcaption><\/figure>\n<\/p>\n

Zde je p\u0159ehled krok\u016f, kter\u00e9 d\u011bl\u00e1m p\u0159i p\u0159\u00edprav\u011b a eloxov\u00e1n\u00ed hlin\u00edkov\u00e9ho d\u00edlu.<\/p>\n

1. \u010ci\u0161t\u011bn\u00ed<\/h3>\n

Nejprve o\u010dist\u00edm hlin\u00edkov\u00fd povrch, abych odstranil mastnotu, ne\u010distoty nebo p\u0159\u00edpadnou oxidaci. Obvykle pou\u017e\u00edv\u00e1m odma\u0161\u0165ova\u010d nebo jemn\u00fd alkalick\u00fd \u010distic\u00ed prost\u0159edek. Tento krok je velmi d\u016fle\u017eit\u00fd, proto\u017ee jak\u00e9koli zbytky mohou zni\u010dit eloxovan\u00fd povrch.<\/p>\n

    \n
  • B\u011b\u017en\u00e9 \u010distic\u00ed prost\u0159edky<\/strong>: m\u00fddlo na n\u00e1dob\u00ed, Simple Green nebo fosfore\u010dnan trisodn\u00fd<\/li>\n
  • D\u016fkladn\u011b opl\u00e1chn\u011bte<\/strong> s \u010distou vodou<\/li>\n<\/ul>\n

    2. Lept\u00e1n\u00ed<\/h3>\n

    Pot\u00e9 hlin\u00edk vylept\u00e1m roztokem hydroxidu sodn\u00e9ho. Lept\u00e1n\u00ed odstran\u00ed tenkou vrstvu povrchu a pom\u016f\u017ee vyrovnat \u0161kr\u00e1bance nebo vady.<\/p>\n

      \n
    • \u0158e\u0161en\u00ed<\/strong>: 5-10% NaOH (louh) sm\u00edchan\u00fd s vodou<\/li>\n
    • \u010cas<\/strong>: 3-5 minut<\/li>\n
    • Po lept\u00e1n\u00ed v\u017edy opl\u00e1chn\u011bte<\/strong><\/li>\n<\/ul>\n

      Lept\u00e1n\u00ed vytv\u00e1\u0159\u00ed m\u00edrn\u011b matn\u00fd povrch a dod\u00e1v\u00e1 eloxovan\u00e9 vrstv\u011b jednotn\u00fd z\u00e1klad.<\/p>\n

      3. Desmutace<\/h3>\n

      Po lept\u00e1n\u00ed \u010dasto z\u016fst\u00e1vaj\u00ed \u010dern\u00e9 nebo \u0161ed\u00e9 zbytky (smut). Pro rozpu\u0161t\u011bn\u00ed tohoto zbytku pono\u0159\u00edm d\u00edl do roztoku kyseliny dusi\u010dn\u00e9.<\/p>\n

        \n
      • \u0158e\u0161en\u00ed<\/strong>: 20-30% kyselina dusi\u010dn\u00e1 sm\u00edchan\u00e1 s vodou<\/li>\n
      • \u010cas<\/strong>: 1-2 minuty<\/li>\n
      • D\u016fkladn\u011b opl\u00e1chn\u011bte<\/strong><\/li>\n<\/ul>\n

        Tento krok je d\u016fle\u017eit\u00fd zejm\u00e9na u slitin hlin\u00edku, kter\u00e9 obsahuj\u00ed m\u011b\u010f, k\u0159em\u00edk nebo zinek.<\/p>\n

        4. Eloxov\u00e1n\u00ed (f\u00e1ze elektrol\u00fdzy)<\/h3>\n

        Zde je skute\u010dn\u00e9 j\u00e1dro procesu. Vy\u010di\u0161t\u011bnou sou\u010d\u00e1st pono\u0159\u00edm do elektrolytu kyseliny s\u00edrov\u00e9 a pust\u00edm do n\u00ed stejnosm\u011brn\u00fd proud. Hlin\u00edkov\u00e1 \u010d\u00e1st se stane anodou (+) a olov\u011bn\u00e1 nebo hlin\u00edkov\u00e1 katoda (-) uzav\u0159e obvod.<\/p>\n

          \n
        • \u0158e\u0161en\u00ed<\/strong>: 15-20% kyselina s\u00edrov\u00e1 + destilovan\u00e1 voda<\/li>\n
        • Nap\u011bt\u00ed<\/strong>: 12-18 V (DC)<\/li>\n
        • Aktu\u00e1ln\u00ed<\/strong>: 0,03-0,06 amp\u00e9r\u016f na \u010dtvere\u010dn\u00ed palec<\/li>\n
        • \u010cas<\/strong>: 30-90 minut<\/li>\n
        • Teplota<\/strong>: 15-25 \u00b0C pro v\u011bt\u0161inu povrchov\u00fdch \u00faprav<\/li>\n<\/ul>\n

          Kysl\u00edk uvoln\u011bn\u00fd p\u0159i elektrol\u00fdze reaguje s hlin\u00edkem za vzniku por\u00e9zn\u00ed vrstvy oxidu. Tato vrstva se pozd\u011bji barv\u00ed nebo ut\u011bs\u0148uje.<\/p>\n

          5. Voliteln\u00e9 zbarven\u00ed<\/h3>\n

          Pokud chci ur\u010ditou barvu, obarv\u00edm d\u00edl ihned po eloxov\u00e1n\u00ed. Barva se dostane do por\u00e9zn\u00edho povrchu a chemicky se spoj\u00ed.<\/p>\n

            \n
          • Barviva<\/strong>: anilinov\u00e1 barviva, barviva na b\u00e1zi kovov\u00fdch sol\u00ed nebo barviva na tkaniny<\/li>\n
          • \u010cas<\/strong>: 5-15 minut ve vyh\u0159\u00edvan\u00e9 barvic\u00ed l\u00e1zni<\/li>\n
          • P\u0159ed uzav\u0159en\u00edm dob\u0159e opl\u00e1chn\u011bte<\/strong><\/li>\n<\/ul>\n

            6. T\u011bsn\u011bn\u00ed<\/h3>\n

            Abych zafixoval barvu nebo bezbarv\u00fd povrch a ochr\u00e1nil oxidovou vrstvu, ut\u011bsn\u00edm d\u00edl pono\u0159en\u00edm do hork\u00e9 vody nebo roztoku octanu nikelnat\u00e9ho.<\/p>\n

              \n
            • Metoda va\u0159\u00edc\u00ed vody<\/strong>: 20-30 minut<\/li>\n
            • T\u011bsn\u011bn\u00ed z niklu za studena<\/strong>: rychlej\u0161\u00ed, ale m\u00e9n\u011b odoln\u00e9<\/li>\n<\/ul>\n

              Tento z\u00e1v\u011bre\u010dn\u00fd krok m\u00e1 z\u00e1sadn\u00ed v\u00fdznam pro odolnost proti korozi a trvanlivost povrchov\u00e9 \u00fapravy.<\/p>\n

              Souhrnn\u00e1 tabulka procesu eloxov\u00e1n\u00ed<\/h4>\n\n\n\n\n\n\n\n\n\n\n
              Krok<\/th>\n\u00da\u010del<\/th>\nPou\u017eit\u00e9 \u0159e\u0161en\u00ed nebo n\u00e1stroj<\/th>\n<\/tr>\n<\/thead>\n
              \u010ci\u0161t\u011bn\u00ed<\/td>\nOdstra\u0148te mastnotu, ne\u010distoty<\/td>\nOdma\u0161\u0165ova\u010d, detergent<\/td>\n<\/tr>\n
              Lept\u00e1n\u00ed<\/td>\nOdstran\u011bn\u00ed povrchov\u00fdch vad<\/td>\nRoztok NaOH (louhu)<\/td>\n<\/tr>\n
              Desmutace<\/td>\nRozpou\u0161t\u011bn\u00ed zbytk\u016f slitin<\/td>\nRoztok kyseliny dusi\u010dn\u00e9<\/td>\n<\/tr>\n
              Eloxov\u00e1n\u00ed<\/td>\nVytvo\u0159en\u00ed por\u00e9zn\u00ed oxidov\u00e9 vrstvy<\/td>\nKyselina s\u00edrov\u00e1 + stejnosm\u011brn\u00fd proud<\/td>\n<\/tr>\n
              Omalov\u00e1nky<\/td>\nVoliteln\u011b: p\u0159idejte barvu do vrstvy oxidu<\/td>\nBarviva (anilin, kovov\u00e9 soli atd.)<\/td>\n<\/tr>\n
              T\u011bsn\u011bn\u00ed<\/td>\nUzav\u00edr\u00e1n\u00ed p\u00f3r\u016f, ochrana povrchu<\/td>\nVrouc\u00ed voda nebo niklov\u00e9 t\u011bsn\u011bn\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              <\/svg> Proces eloxov\u00e1n\u00ed zahrnuje \u010di\u0161t\u011bn\u00ed, lept\u00e1n\u00ed, odlept\u00e1n\u00ed, eloxov\u00e1n\u00ed a ut\u011bsn\u011bn\u00ed.<\/b>Pravda<\/span><\/p>

              Ka\u017ed\u00fd krok navazuje na p\u0159edchoz\u00ed, aby byla zaji\u0161t\u011bna siln\u00e1, rovnom\u011brn\u00e1 a odoln\u00e1 eloxovan\u00e1 povrchov\u00e1 \u00faprava.<\/p><\/div>\n

              <\/svg> Eloxov\u00e1n\u00ed je pouze jedn\u00edm z krok\u016f zahrnuj\u00edc\u00edch elekt\u0159inu.<\/b>False<\/span><\/p>

              Jedn\u00e1 se o kompletn\u00ed proces s n\u011bkolika chemick\u00fdmi o\u0161et\u0159en\u00edmi p\u0159ed a po aplikaci elekt\u0159iny.<\/p><\/div>\n

              \n

              Jak\u00e1 \u0159e\u0161en\u00ed se pou\u017e\u00edvaj\u00ed p\u0159i eloxov\u00e1n\u00ed hlin\u00edku?<\/h2>\n

              Kdy\u017e jsem poprv\u00e9 \u010detl o eloxov\u00e1n\u00ed, byl jsem zahlcen chemick\u00fdmi n\u00e1zvy. Uk\u00e1zalo se v\u0161ak, \u017ee seznam nen\u00ed tak dlouh\u00fd - a v\u011bt\u0161inu z nich lze snadno naj\u00edt.<\/p>\n

              Kl\u00ed\u010dov\u00fdmi roztoky p\u0159i eloxov\u00e1n\u00ed jsou kyselina s\u00edrov\u00e1 pro eloxov\u00e1n\u00ed, hydroxid sodn\u00fd pro lept\u00e1n\u00ed, kyselina dusi\u010dn\u00e1 pro odmo\u0159ov\u00e1n\u00ed a voda pro ut\u011bsn\u011bn\u00ed.<\/strong><\/p>\n

              \"lept\u00e1n\u00ed
              Hlin\u00edkov\u00fd d\u00edl s le\u0161t\u011bnou povrchovou \u00fapravou ide\u00e1ln\u00ed pro eloxov\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

              Zde je seznam toho, co pou\u017e\u00edv\u00e1m:<\/p>\n

              1. Kyselina s\u00edrov\u00e1 (h-sO?)<\/h3>\n

              Jedn\u00e1 se o standardn\u00ed elektrolyt pro eloxov\u00e1n\u00ed typu II. \u0158ed\u00edm ho destilovanou vodou na objem asi 15-20%.<\/p>\n

                \n
              • Vytv\u00e1\u0159\u00ed por\u00e9zn\u00ed vrstvu oxidu<\/li>\n
              • Vy\u017eaduje stabiln\u00ed regulaci teploty<\/li>\n
              • K dost\u00e1n\u00ed v obchodech s chemick\u00fdmi pot\u0159ebami<\/li>\n<\/ul>\n

                2. Hydroxid sodn\u00fd (NaOH)<\/h3>\n

                Ten se pou\u017e\u00edv\u00e1 k lept\u00e1n\u00ed hlin\u00edku. Rozb\u00edj\u00ed vrstvu oxidu a \u0161kr\u00e1bance na povrchu.<\/p>\n

                  \n
                • Vysoce \u017e\u00edrav\u00e9<\/li>\n
                • Pou\u017e\u00edv\u00e1 se v \u010distic\u00edch prost\u0159edc\u00edch na trouby a odtoky<\/li>\n
                • Nejl\u00e9pe se pou\u017e\u00edv\u00e1 v \u0159ed\u011bn\u00ed 5-10%<\/li>\n<\/ul>\n

                  3. Kyselina dusi\u010dn\u00e1 (HNO?)<\/h3>\n

                  Pou\u017e\u00edv\u00e1 se k odlept\u00e1n\u00ed hlin\u00edku po lept\u00e1n\u00ed, zejm\u00e9na slitin s m\u011bd\u00ed nebo zinkem.<\/p>\n

                    \n
                  • Rozpou\u0161t\u00ed zb\u00fdvaj\u00edc\u00ed nehlin\u00edkov\u00e9 zbytky<\/li>\n
                  • Siln\u00fd oxidant<\/li>\n
                  • Je t\u0159eba s nimi zach\u00e1zet opatrn\u011b<\/li>\n<\/ul>\n

                    4. Acet\u00e1t niklu nebo vrouc\u00ed voda<\/h3>\n

                    Pro ut\u011bsn\u011bn\u00ed pou\u017e\u00edv\u00e1m bu\u010f:<\/p>\n

                      \n
                    • Vrouc\u00ed destilovan\u00e1 voda (95-100 \u00b0C)<\/strong> po dobu 20-30 minut<\/li>\n
                    • T\u011bsn\u011bn\u00ed z niklu za studena<\/strong> (75-90 \u00b0F) s krat\u0161\u00ed dobou o\u0161et\u0159en\u00ed<\/li>\n<\/ul>\n

                      Oboj\u00ed uzav\u00edr\u00e1 p\u00f3ry a zvy\u0161uje odolnost proti korozi.<\/p>\n

                      Tabulka chemick\u00fdch \u0159e\u0161en\u00ed<\/h4>\n\n\n\n\n\n\n\n\n
                      \u0158e\u0161en\u00ed<\/th>\n\u00da\u010del<\/th>\nTip pro bezpe\u010dnou manipulaci<\/th>\n<\/tr>\n<\/thead>\n
                      Kyselina s\u00edrov\u00e1<\/td>\nHlavn\u00ed eloxovac\u00ed l\u00e1ze\u0148<\/td>\nV\u017edy p\u0159id\u00e1vejte kyselinu do vody, ne obr\u00e1cen\u011b.<\/td>\n<\/tr>\n
                      NaOH<\/td>\nLept\u00e1n\u00ed<\/td>\nPou\u017e\u00edvejte rukavice a ochranu o\u010d\u00ed<\/td>\n<\/tr>\n
                      Kyselina dusi\u010dn\u00e1<\/td>\nDesmutace<\/td>\nPou\u017eit\u00ed v dob\u0159e v\u011btran\u00e9m prostoru<\/td>\n<\/tr>\n
                      Acet\u00e1t niklu<\/td>\nT\u011bsn\u011bn\u00ed<\/td>\nVyhn\u011bte se vdechov\u00e1n\u00ed v\u00fdpar\u016f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      <\/svg> Hlavn\u00edm elektrolytem pou\u017e\u00edvan\u00fdm p\u0159i eloxov\u00e1n\u00ed hlin\u00edku je kyselina s\u00edrov\u00e1.<\/b>Pravda<\/span><\/p>

                      Pom\u00e1h\u00e1 vytv\u00e1\u0159et silnou por\u00e9zn\u00ed vrstvu oxidu b\u011bhem elektrol\u00fdzy.<\/p><\/div>\n

                      <\/svg> Ocet je n\u00e1hradou kyseliny s\u00edrov\u00e9 p\u0159i eloxov\u00e1n\u00ed.<\/b>False<\/span><\/p>

                      Ocet (kyselina octov\u00e1) je p\u0159\u00edli\u0161 slab\u00fd na to, aby vytvo\u0159il spr\u00e1vnou vrstvu oxidu.<\/p><\/div>\n

                      \n

                      Jak dlouho by m\u011bl hlin\u00edk z\u016fstat v kysel\u00e9 l\u00e1zni?<\/h2>\n

                      Kdy\u017e jsem hlin\u00edk eloxoval poprv\u00e9, nev\u011bd\u011bl jsem, jak dlouho to m\u00e1m nechat. Odhadl jsem to - a v\u00fdsledek byl nerovnom\u011brn\u00fd. Pozd\u011bji jsem se dozv\u011bd\u011bl, \u017ee ka\u017ed\u00e1 velikost a c\u00edl d\u00edlu ovliv\u0148uje dobu.<\/p>\n

                      P\u0159i standardn\u00edm eloxov\u00e1n\u00ed (typ II) by m\u011bl hlin\u00edk z\u016fstat v kysel\u00e9 l\u00e1zni 30 a\u017e 90 minut v z\u00e1vislosti na hustot\u011b proudu a po\u017eadovan\u00e9 tlou\u0161\u0165ce oxidu.<\/strong><\/p>\n

                      \"nastaven\u00ed
                      Vysoce vodiv\u00fd hlin\u00edkov\u00fd profil vhodn\u00fd pro elektrolytick\u00e9 eloxov\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

                      Takto se rozhoduji o d\u00e9lce eloxov\u00e1n\u00ed:<\/p>\n

                        \n
                      • Tenk\u00e9 povlaky (5-10 mikron\u016f)<\/strong>: 30 minut <\/li>\n
                      • Standardn\u00ed povlaky (10-25 mikron\u016f)<\/strong>: 45-60 minut <\/li>\n
                      • Tvrd\u00e9 povlaky (typ III, 25-100 mikron\u016f)<\/strong>: a\u017e 2 hodiny p\u0159i ni\u017e\u0161\u00edch teplot\u00e1ch<\/li>\n<\/ul>\n

                        Faktory ovliv\u0148uj\u00edc\u00ed \u010das<\/h3>\n
                          \n
                        • Hustota proudu<\/strong>: V\u011bt\u0161\u00ed proud znamen\u00e1 rychlej\u0161\u00ed r\u016fst oxidu. J\u00e1 pou\u017e\u00edv\u00e1m asi 0,03 amp\u00e9ru na \u010dtvere\u010dn\u00ed palec.<\/li>\n
                        • S\u00edla kyseliny<\/strong>: Siln\u011bj\u0161\u00ed kyselina m\u016f\u017ee proces urychlit.<\/li>\n
                        • Teplota<\/strong>: Ni\u017e\u0161\u00ed teploty zpomaluj\u00ed reakci, ale zlep\u0161uj\u00ed tvrdost vrstvy.<\/li>\n<\/ul>\n

                          U mal\u00fdch d\u00edl\u016f \u010dasto za\u010d\u00edn\u00e1m po 45 minut\u00e1ch a p\u0159ed ut\u011bsn\u011bn\u00edm zkontroluji povrchovou \u00fapravu.<\/p>\n

                          <\/svg> Hlin\u00edk se obvykle eloxuje 30 a\u017e 90 minut v kysel\u00e9 l\u00e1zni.<\/b>Pravda<\/span><\/p>

                          Tato doba umo\u017e\u0148uje spr\u00e1vn\u00fd r\u016fst oxidov\u00e9 vrstvy v z\u00e1vislosti na velikosti d\u00edlu a proudu.<\/p><\/div>\n

                          <\/svg> \u010c\u00edm d\u00e9le je hlin\u00edk v kyselin\u011b, t\u00edm ten\u010d\u00ed je vrstva oxidu.<\/b>False<\/span><\/p>

                          Del\u0161\u00ed \u010dasy vytv\u00e1\u0159ej\u00ed siln\u011bj\u0161\u00ed oxidov\u00e9 povlaky, ne ten\u010d\u00ed.<\/p><\/div>\n

                          \n

                          Jak dos\u00e1hnout \u010dir\u00e9 eloxovan\u00e9 povrchov\u00e9 \u00fapravy?<\/h2>\n

                          V\u017edycky se mi l\u00edbil \u010dist\u00fd, kart\u00e1\u010dovan\u00fd vzhled p\u0159\u00edrodn\u00edho hlin\u00edku. P\u0159em\u00fd\u0161lel jsem, jak tento vzhled zachovat bez barvy.<\/p>\n

                          K dosa\u017een\u00ed \u010dir\u00e9ho eloxovan\u00e9ho povrchu pou\u017e\u00edv\u00e1m vysoce \u010dist\u00fd hlin\u00edk, kontrolovanou l\u00e1ze\u0148 s kyselinou s\u00edrovou a spr\u00e1vnou metodu tmelen\u00ed bez barviv.<\/strong><\/p>\n

                          \"p\u0159\u00edklad
                          Profil z brou\u0161en\u00e9ho hlin\u00edku ide\u00e1ln\u00ed pro p\u0159\u00edrodn\u00ed eloxovanou povrchovou \u00fapravu<\/figcaption><\/figure>\n<\/p>\n

                          Na co se zam\u011b\u0159uji:<\/p>\n

                          1. Pou\u017e\u00edvejte hlin\u00edk vysok\u00e9 \u010distoty<\/h3>\n

                          Lep\u0161\u00ed v\u00fdsledky poskytuj\u00ed slitiny s men\u0161\u00edm obsahem m\u011bdi, k\u0159em\u00edku nebo zinku. J\u00e1 d\u00e1v\u00e1m p\u0159ednost:<\/p>\n

                            \n
                          • 6063 (vynikaj\u00edc\u00ed povrchov\u00e1 \u00faprava)<\/li>\n
                          • 5052 (dobr\u00e1 pevnost a vzhled)<\/li>\n<\/ul>\n

                            Vyhn\u011bte se materi\u00e1l\u016fm 2024 nebo 7075, kter\u00e9 p\u0159i eloxov\u00e1n\u00ed tmavnou.<\/p>\n

                            2. D\u016fsledn\u00e1 p\u0159\u00edprava povrchu<\/h3>\n

                            P\u0159ed eloxov\u00e1n\u00edm hlin\u00edk mechanicky le\u0161t\u00edm nebo kart\u00e1\u010duju, pokud chci m\u00edt sat\u00e9nov\u00fd nebo reflexn\u00ed povrch. Pak vy\u010dist\u00edm a vylept\u00e1m jako obvykle.<\/p>\n

                            3. \u0158\u00edzen\u00ed teploty a nap\u011bt\u00ed l\u00e1zn\u011b<\/h3>\n

                            L\u00e1ze\u0148 udr\u017euji chladnou (~18 \u00b0C) a stabiln\u00ed nap\u011bt\u00ed 12-15 V. T\u00edm se vytvo\u0159\u00ed \u010dir\u00e1, jemn\u011b p\u00f3rovit\u00e1 vrstva oxidu.<\/p>\n

                            4. Nepou\u017e\u00edvejte barviva<\/h3>\n

                            F\u00e1zi barven\u00ed zcela vynech\u00e1v\u00e1m. Oxidov\u00e1 vrstva bude vypadat p\u0159irozen\u011b st\u0159\u00edbro\u0161ed\u011b. Pokud se p\u0159edt\u00edm vyle\u0161t\u00ed, z\u016fstane sv\u011btl\u00e1.<\/p>\n

                            5. Ut\u011bsn\u011bn\u00ed povrchu<\/h3>\n

                            Tav\u00edm ve vrouc\u00ed vod\u011b nebo v octanu nikelnat\u00e9m. T\u00edm se p\u00f3ry uzav\u0159ou a zabr\u00e1n\u00ed se pozd\u011bj\u0161\u00edmu vniknut\u00ed ne\u010distot.<\/p>\n

                            Kontroln\u00ed seznam pro \u010dir\u00e9 eloxov\u00e1n\u00ed<\/h4>\n\n\n\n\n\n\n\n\n\n
                            Krok<\/th>\nKl\u00ed\u010dov\u00e1 akce<\/th>\n<\/tr>\n<\/thead>\n
                            V\u00fdb\u011br kovu<\/td>\nPou\u017eit\u00ed vysoce \u010dist\u00e9ho hlin\u00edku<\/td>\n<\/tr>\n
                            Povrchov\u00e1 \u00faprava<\/td>\nLe\u0161t\u011bn\u00ed nebo kart\u00e1\u010dov\u00e1n\u00ed p\u0159ed eloxov\u00e1n\u00edm<\/td>\n<\/tr>\n
                            Eloxovac\u00ed l\u00e1ze\u0148<\/td>\nKyselina s\u00edrov\u00e1, 12-15 V, ~18 \u00b0C<\/td>\n<\/tr>\n
                            P\u0159esko\u010dit barven\u00ed<\/td>\n\u017d\u00e1dn\u00e1 barviva - zachov\u00e1v\u00e1 p\u0159irozen\u00fd st\u0159\u00edbrn\u00fd vzhled<\/td>\n<\/tr>\n
                            T\u011bsn\u011bn\u00ed<\/td>\nVa\u0159te ve vod\u011b po dobu 30 minut<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                            <\/svg> \u010cir\u00e9ho eloxovan\u00e9ho hlin\u00edku se dos\u00e1hne vynech\u00e1n\u00edm kroku barven\u00ed.<\/b>Pravda<\/span><\/p>

                            P\u0159\u00edrodn\u00ed eloxov\u00e1n\u00ed zanech\u00e1v\u00e1 st\u0159\u00edbro\u0161ed\u00fd povrch, pokud nen\u00ed p\u0159id\u00e1no \u017e\u00e1dn\u00e9 barvivo.<\/p><\/div>\n

                            <\/svg> Abyste z\u00edskali bezbarv\u00fd eloxovan\u00fd povrch, mus\u00edte hlin\u00edk obarvit.<\/b>False<\/span><\/p>

                            \u010cir\u00e9 eloxov\u00e1n\u00ed znamen\u00e1, \u017ee se nep\u0159id\u00e1vaj\u00ed \u017e\u00e1dn\u00e1 barviva; jde o p\u0159\u00edrodn\u00ed oxidov\u00fd vzhled.<\/p><\/div>\n

                            \n

                            Z\u00e1v\u011br<\/h2>\n

                            Nyn\u00ed ch\u00e1pu, \u017ee eloxov\u00e1n\u00ed hlin\u00edku je v\u00edc ne\u017e jen pono\u0159en\u00ed kovu do kyseliny. Je to p\u0159esn\u00fd, n\u011bkolikastup\u0148ov\u00fd proces, kter\u00fd m\u011bn\u00ed povrch. D\u00edky spr\u00e1vn\u00e9mu \u010di\u0161t\u011bn\u00ed, eloxovac\u00edmu roztoku, na\u010dasov\u00e1n\u00ed a ut\u011bsn\u011bn\u00ed mohu kontrolovat jak vzhled, tak v\u00fdkon. A\u0165 u\u017e chci pr\u016fhledn\u00fd povrch nebo v\u00fdraznou barvu, proces z\u016fst\u00e1v\u00e1 stejn\u00fd - pe\u010dliv\u00fd, \u010dist\u00fd a d\u016fsledn\u00fd.<\/p>","protected":false},"excerpt":{"rendered":"

                            Aluminum part after CNC and anodized surface treatment I once thought anodizing aluminum was a job only factories could do. But after studying the steps, I learned that with the right setup, anyone can understand how it works. Anodizing aluminum is a multi-step electrochemical process that thickens the natural oxide layer, improving corrosion resistance, durability, […]<\/p>\n","protected":false},"author":6,"featured_media":8480,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_analysis_target_kw":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-12316","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/12316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/comments?post=12316"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/12316\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/8480"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=12316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=12316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=12316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}