{"id":14456,"date":"2024-09-13T08:28:08","date_gmt":"2024-09-13T16:28:08","guid":{"rendered":"https:\/\/chansmachining.com\/zakladni-pruvodce-chromovanim\/"},"modified":"2024-12-17T21:27:12","modified_gmt":"2024-12-18T05:27:12","slug":"zakladni-pruvodce-chromovanim","status":"publish","type":"post","link":"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/","title":{"rendered":"Z\u00e1kladn\u00ed pr\u016fvodce chromov\u00e1n\u00edm"},"content":{"rendered":"\n

Co je to chromov\u00e1n\u00ed?<\/strong><\/h2>\n\n
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\"\"<\/figure>\n<\/div>\n\n\n\n
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\"\"<\/figure>\n<\/div>\n<\/div>\n\n

Chromov\u00e1n\u00ed, zn\u00e1m\u00e9 tak\u00e9 jako chromov\u00e1n\u00ed, je proces galvanick\u00e9ho pokovov\u00e1n\u00ed, p\u0159i kter\u00e9m se na kovov\u00fd nebo slitinov\u00fd z\u00e1klad nan\u00e1\u0161\u00ed vrstva chromu.<\/p>\n\n

Krom\u011b toho, \u017ee tato technika zvy\u0161uje estetick\u00fd vzhled obr\u00e1b\u011bn\u00fdch d\u00edl\u016f s leskl\u00fdm a zrcadlov\u00fdm povrchem, zvy\u0161uje tak\u00e9 v\u00fdrazn\u011b jejich trvanlivost.<\/p>\n\n

Chromov\u00e1n\u00ed zvy\u0161uje tvrdost a odolnost povrchu. Krom\u011b toho tak\u00e9 sni\u017euje korozi a snadno se \u010dist\u00ed. V\u0161echny v\u00fd\u0161e uveden\u00e9 v\u00fdhody umo\u017e\u0148uj\u00ed jeho pou\u017eit\u00ed v n\u011bkolika oblastech pro estetick\u00e9 a mechanick\u00e9 \u00fa\u010dely.<\/p>\n\n

Typick\u00e9 materi\u00e1ly pro chromov\u00e1n\u00ed<\/strong><\/h2>\n\n

\u0160estimocn\u00fd chrom<\/strong><\/h3>\n
\n
\"\"<\/figure><\/div>\n

\u0160estimocn\u00fd chrom, jeden z b\u011b\u017en\u00fdch chromovac\u00edch materi\u00e1l\u016f, se z\u00edsk\u00e1v\u00e1 p\u0159edev\u0161\u00edm z kyseliny chromov\u00e9 (CrO3). Po rozpu\u0161t\u011bn\u00ed ve vod\u011b tvo\u0159\u00ed kyselina chromov\u00e1 (CrO3) po p\u0159id\u00e1n\u00ed kyseliny s\u00edrov\u00e9 (H2SO4) H2CrO4.<\/p>\n\n

Pro svou vynikaj\u00edc\u00ed odolnost proti korozi, opot\u0159eben\u00ed a vysokou tvrdost se hojn\u011b pou\u017e\u00edv\u00e1 k dekorativn\u00edmu i tvrd\u00e9mu chromov\u00e1n\u00ed.<\/p>\n\n

L\u00e1tka je v\u0161ak toxick\u00e1, co\u017e p\u0159edstavuje ekologick\u00e9 a zdravotn\u00ed riziko pro lidi v okol\u00ed. Proto je t\u0159eba nebezpe\u010dn\u00fd odpad z l\u00e1zn\u00ed s \u0161estimocn\u00fdm chromem p\u0159ed likvidac\u00ed zpracovat.<\/p>\n\n

Trivalentn\u00ed chrom<\/strong><\/h3>\n
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\"\"<\/figure><\/div>\n

Trojmocn\u00fd chrom se vyr\u00e1b\u00ed p\u0159ev\u00e1\u017en\u011b pomoc\u00ed s\u00edranu chromit\u00e9ho nebo chloridu chromit\u00e9ho.<\/p>\n\n

Trojmocn\u00fd chrom je pova\u017eov\u00e1n za ekologick\u00e9 chemick\u00e9 \u0159e\u0161en\u00ed \u0161estimocn\u00e9ho chromu a pou\u017e\u00edv\u00e1 se k dekorativn\u00edmu chromov\u00e1n\u00ed a k n\u011bkter\u00fdm pr\u016fmyslov\u00fdm \u00fa\u010del\u016fm.<\/p>\n\n

Ve srovn\u00e1n\u00ed s \u0161estimocn\u00fdm chromem je m\u00e9n\u011b toxick\u00fd a \u0161etrn\u011bj\u0161\u00ed k \u017eivotn\u00edmu prost\u0159ed\u00ed. Stejn\u011b jako u jin\u00fdch chemick\u00fdch l\u00e1tek jsou v\u0161ak i pou\u017eit\u00ed a likvidace jak\u00e9hokoli odpadu obsahuj\u00edc\u00edho trojmocn\u00fd chrom regulov\u00e1ny.<\/p>\n\n

Kroky chromov\u00e1n\u00ed<\/strong><\/h2>\n\n

Chromov\u00e1n\u00ed je technika nan\u00e1\u0161en\u00ed vrstvy chromu na kovov\u00e9 nebo plastov\u00e9 d\u00edly, kter\u00e1 jim dod\u00e1v\u00e1 lep\u0161\u00ed vzhled a del\u0161\u00ed \u017eivotnost. Proces galvanick\u00e9ho chromov\u00e1n\u00ed se skl\u00e1d\u00e1 z n\u011bkolika krok\u016f, kter\u00e9 zajist\u00ed hladk\u00fd a odoln\u00fd povlak.<\/p>\n\n

1. P\u0159\u00edprava povrchu<\/h3>\n\n

Prvn\u00edm procesem, kter\u00fd je t\u0159eba prov\u00e9st, je p\u0159\u00edprava povrchu, aby bylo zaru\u010deno spr\u00e1vn\u00e9 nalepen\u00ed chromov\u00e9 vrstvy. To zahrnuje:<\/p>\n\n

    \n
  • \u010ci\u0161t\u011bn\u00ed a odma\u0161\u0165ov\u00e1n\u00ed: <\/strong>Pomoc\u00ed r\u016fzn\u00fdch \u010distic\u00edch postup\u016f, jako je \u010di\u0161t\u011bn\u00ed emulz\u00ed, alkalick\u00e9 \u010di\u0161t\u011bn\u00ed, \u010di\u0161t\u011bn\u00ed rozpou\u0161t\u011bdly, se povrch zbavuje v\u0161ech druh\u016f usazenin, jako je \u0161p\u00edna, mastnota atd. <\/li>\n<\/ul>\n\n
      \n
    • Le\u0161t\u011bn\u00ed:<\/strong> Brou\u0161en\u00ed nebo le\u0161t\u011bn\u00ed povrchu na nejjemn\u011bj\u0161\u00ed mo\u017enou m\u00edru a sn\u00ed\u017een\u00ed hloubky drsnosti na Rz 2-3 \u03bcm, aby se zajistilo, \u017ee vrstva chromu bude dob\u0159e dr\u017eet a poskytne dostate\u010dnou ochranu.<\/li>\n<\/ul>\n\n

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

      V p\u0159\u00edpad\u011b nekovov\u00fdch materi\u00e1l\u016f, jako je plast, je t\u0159eba povrch vyleptat, aby vznikl drsn\u00fd povrch, na kter\u00fd se budou moci nav\u00e1zat n\u00e1sleduj\u00edc\u00ed vrstvy povlaku. P\u0159i tomto procesu se d\u00edly pono\u0159\u00ed do leptac\u00ed kapaliny, kterou m\u016f\u017ee b\u00fdt kyselina chlorovod\u00edkov\u00e1, fluorovod\u00edkov\u00e1 nebo s\u00edrov\u00e1. <\/p>\n\n

      3. Neutralizace<\/h3>\n\n

      Po lept\u00e1n\u00ed se d\u00edly omyj\u00ed a neutralizuj\u00ed, aby se odstranily zbytky kyselin pro n\u00e1sleduj\u00edc\u00ed procesy. Toho se obvykle dos\u00e1hne pomoc\u00ed neutraliza\u010dn\u00edho roztoku. <\/p>\n\n

      4. Katalyzov\u00e1n\u00ed a urychlov\u00e1n\u00ed<\/h3>\n\n

      Pro plastov\u00e9 substr\u00e1ty je v\u0161ak t\u0159eba katalyzuj\u00edc\u00ed a urychluj\u00edc\u00ed proces, aby se zlep\u0161il povrch pro proces elektrolytick\u00e9ho pokovov\u00e1n\u00ed. To zahrnuje pono\u0159en\u00ed d\u00edl\u016f do kapaliny, kter\u00e1 obsahuje katalyz\u00e1tor, nap\u0159\u00edklad chlorid palladia. <\/p>\n\n

      5. Bezelektrick\u00e9 pokovov\u00e1n\u00ed<\/h3>\n\n

      P\u0159ed vlastn\u00edm chromov\u00e1n\u00edm se v\u017edy prov\u00e1d\u00ed \u00favodn\u00ed krok bezelektrick\u00e9ho pokoven\u00ed niklem nebo m\u011bd\u00ed. Tato vrstva slou\u017e\u00ed jako z\u00e1klad pro n\u00e1sleduj\u00edc\u00ed proces galvanick\u00e9ho pokovov\u00e1n\u00ed. <\/p>\n\n

      6. Galvanick\u00e9 pokovov\u00e1n\u00ed<\/h3>\n\n

      Podstatou procesu chromov\u00e1n\u00ed je:<\/p>\n\n

        \n
      • Immerze v elektrolytick\u00e9 l\u00e1zni: <\/strong>D\u00edly se um\u00edst\u00ed do elektrolytick\u00e9 l\u00e1zn\u011b s rozpu\u0161t\u011bn\u00fdmi ionty chromu.<\/li>\n<\/ul>\n\n
          \n
        • P\u016fsoben\u00ed elektrick\u00e9ho proudu:<\/strong> L\u00e1zn\u00ed proch\u00e1z\u00ed elektrick\u00fd proud, kter\u00fd zp\u016fsobuje usazov\u00e1n\u00ed chromov\u00fdch iont\u016f na povrchu d\u00edl\u016f, \u010d\u00edm\u017e vznik\u00e1 pevn\u00e1 chromov\u00e1 vrstva.<\/li>\n<\/ul>\n\n
            \n
          • Kontrola teploty:<\/strong> Obvykle se prov\u00e1d\u00ed p\u0159i teplot\u00e1ch mezi 50-60 \u00b0C, aby se antigen dob\u0159e ukl\u00e1dal.<\/li>\n<\/ul>\n\n

            7. Oplachov\u00e1n\u00ed a le\u0161t\u011bn\u00ed<\/h3>\n\n

            Po nanesen\u00ed chromov\u00e9 vrstvy:<\/p>\n\n

              \n
            • Oplachov\u00e1n\u00ed: <\/strong>D\u00edly se pot\u00e9 omyj\u00ed, aby se odstranily v\u0161echny chemik\u00e1lie, kter\u00e9 mohou b\u00fdt st\u00e1le p\u0159\u00edtomny v pokovovac\u00ed l\u00e1zni.<\/li>\n<\/ul>\n\n
                \n
              • Le\u0161t\u011bn\u00ed:<\/strong> Povrch pokoven\u00e9ho povrchu se brous\u00ed, aby se vyhladil a z\u00edskal po\u017eadovan\u00fd lesk. To je typick\u00e9 sp\u00ed\u0161e pro dekorativn\u00ed chromov\u00e1n\u00ed.<\/li>\n<\/ul>\n\n

                8. Kontrola a \u0159\u00edzen\u00ed kvality<\/h3>\n\n

                Nakonec se d\u00edly zkontroluj\u00ed, zda je chromov\u00e1n\u00ed rovnom\u011brn\u00e9 a zda na n\u011bm nejsou n\u011bjak\u00e9 vady. Zde se provede p\u0159\u00edpadn\u00e9 dal\u0161\u00ed zu\u0161lecht\u011bn\u00ed a n\u00e1sledn\u00e9 le\u0161t\u011bn\u00ed.<\/p>\n\n

                Typy chromov\u00e1n\u00ed<\/strong><\/h2>\n\n

                Tvrd\u00e9 chromov\u00e1n\u00ed<\/h3>\n\n

                Tvrd\u00e9 chromov\u00e1n\u00ed se tak\u00e9 ozna\u010duje jako pr\u016fmyslov\u00fd chrom nebo technick\u00fd chrom. Standardn\u00ed tlou\u0161\u0165ka tvrd\u00e9ho chromu se pohybuje mezi 0,02 mm a 0,04 mm. Pou\u017e\u00edv\u00e1 se hlavn\u011b pro v\u00fdkonnostn\u00ed charakteristiky, kter\u00e9 nab\u00edz\u00ed ve v\u011bt\u0161in\u011b aplikac\u00ed. <\/p>\n\n

                Tento typ pokovov\u00e1n\u00ed se vyzna\u010duje vysokou tvrdost\u00ed, odolnost\u00ed proti opot\u0159eben\u00ed a n\u00edzk\u00fdm koeficientem t\u0159en\u00ed. V tomto procesu se pou\u017e\u00edv\u00e1 hlavn\u011b na strojn\u00edch sou\u010d\u00e1stech, hydraulick\u00fdch v\u00e1lc\u00edch a automobilov\u00fdch d\u00edlech, aby se zv\u00fd\u0161ila jejich trvanlivost a \u00fa\u010dinnost.<\/p>\n\n

                Existuje varianta tvrd\u00e9ho chromu. naz\u00fdv\u00e1 se tenk\u00fd hutn\u00fd chrom a nab\u00edz\u00ed zv\u00fd\u0161enou trvanlivost s ni\u017e\u0161\u00edm t\u0159en\u00edm a vy\u0161\u0161\u00ed odolnost\u00ed proti korozi, ide\u00e1ln\u00ed pro p\u0159esn\u00e9 aplikace.<\/p>\n\n

                Charakteristika<\/strong>:<\/p>\n\n

                  \n
                • Vysok\u00e1 tvrdost (od 750 do 1000 Hv).<\/li>\n<\/ul>\n\n
                    \n
                  • Vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed<\/li>\n<\/ul>\n\n
                      \n
                    • N\u00edzk\u00fd koeficient t\u0159en\u00ed<\/li>\n<\/ul>\n\n
                        \n
                      • Dobr\u00e1 odolnost proti korozi<\/li>\n<\/ul>\n\n
                          \n
                        • Obvykle je v\u011bt\u0161\u00ed ne\u017e 20 mikrometr\u016f.<\/li>\n<\/ul>\n\n

                          Aplikace<\/strong>:<\/p>\n\n

                            \n
                          • Hydraulick\u00e9 v\u00e1lce<\/li>\n<\/ul>\n\n
                              \n
                            • P\u00edstn\u00ed ty\u010de<\/li>\n<\/ul>\n\n
                                \n
                              • Pr\u016fmyslov\u00e9 stroje<\/li>\n<\/ul>\n\n
                                  \n
                                • Automobilov\u00e9 d\u00edly<\/li>\n<\/ul>\n\n

                                  Dekorativn\u00ed chromov\u00e1n\u00ed<\/strong><\/h3>\n\n

                                  Dal\u0161\u00edm typem chromov\u00e1n\u00ed je dekorativn\u00ed chromov\u00e1n\u00ed nebo b\u011b\u017en\u011b ozna\u010dovan\u00e9 jako leskl\u00fd chrom \u010di v\u00fdstavn\u00ed chrom. Pou\u017e\u00edv\u00e1 se hlavn\u011b k ozdobn\u00fdm \u00fa\u010del\u016fm. Dod\u00e1v\u00e1 hladk\u00fd povrch a kovov\u00fd vzhled, d\u00edky n\u011bmu\u017e maj\u00ed pokoven\u00e9 d\u00edly zrcadlov\u00fd povrch.<\/p>\n\n

                                  Tento typ dekorativn\u00edho chromov\u00e1n\u00ed m\u00e1 standardn\u00ed tlou\u0161\u0165ku v rozmez\u00ed od 0,002 mm do 0,02 mm. Je ten\u010d\u00ed ne\u017e tvrd\u00fd chrom a obvykle se nan\u00e1\u0161\u00ed ve spojen\u00ed s dal\u0161\u00edmi vrstvami, jako je nikl, aby se zv\u00fd\u0161ila vazba a ochrana proti korozi.<\/p>\n\n

                                  Charakteristika<\/strong>:<\/p>\n\n

                                    \n
                                  • Leskl\u00fd, zrcadlov\u00fd povrch<\/li>\n<\/ul>\n\n
                                      \n
                                    • Tenk\u00e1 vrstva \uff08tlou\u0161\u0165ka men\u0161\u00ed ne\u017e jeden mikrometr\uff09.<\/li>\n<\/ul>\n\n
                                        \n
                                      • Tato vrstva se obvykle pou\u017e\u00edv\u00e1 spole\u010dn\u011b s vrstvami niklu.<\/li>\n<\/ul>\n\n
                                          \n
                                        • M\u00edrn\u00e1 odolnost proti korozi<\/li>\n<\/ul>\n\n

                                          Aplikace<\/strong>:<\/p>\n\n

                                            \n
                                          • Automobilov\u00e9 oblo\u017een\u00ed a p\u0159\u00edslu\u0161enstv\u00ed<\/li>\n<\/ul>\n\n
                                              \n
                                            • Za\u0159\u00edzen\u00ed pro dom\u00e1cnost<\/li>\n<\/ul>\n\n
                                                \n
                                              • N\u00e1bytek<\/li>\n<\/ul>\n\n
                                                  \n
                                                • Spot\u0159ebn\u00ed elektronika<\/li>\n<\/ul>\n\n

                                                  Rozd\u00edl mezi tvrd\u00fdm a dekorativn\u00edm chromov\u00e1n\u00edm<\/strong><\/h2>\n\n

                                                  A\u010dkoli se p\u0159i v\u00fdrob\u011b tvrd\u00e9ho i dekorativn\u00edho chromu pou\u017e\u00edv\u00e1 chrom, ob\u011b tyto technologie se li\u0161\u00ed sv\u00fdmi funkcemi a vlastnostmi.<\/p>\n\n

                                                  Tvrd\u00e9 chromov\u00e1n\u00ed<\/strong><\/h3>\n\n

                                                  Pr\u016fmyslov\u00e9 chromov\u00e1n\u00ed nebo tvrd\u00e9 chromov\u00e1n\u00ed se pou\u017e\u00edv\u00e1 sp\u00ed\u0161e kv\u016fli v\u00fdkonnostn\u00edm vlastnostem d\u00edlu ne\u017e kv\u016fli vzhledu. Jeho \u00fa\u010delem je zv\u00fd\u0161it \u017eivotnost d\u00edl\u016f stroje a jejich \u00fa\u010dinnost.<\/p>\n\n

                                                  N\u011bkter\u00e9 z nich se pou\u017e\u00edvaj\u00ed nap\u0159\u00edklad pro ty\u010de hydraulick\u00fdch v\u00e1lc\u016f, p\u00edstn\u00ed krou\u017eky, formy, z\u00e1pustky a dal\u0161\u00ed mechanick\u00e9 d\u00edly, kter\u00e9 mus\u00ed b\u00fdt vystaveny vysok\u00e9mu opot\u0159eben\u00ed a n\u00edzk\u00e9mu t\u0159en\u00ed.<\/p>\n\n

                                                  Vlastnosti:<\/strong><\/p>\n\n

                                                    \n
                                                  • Tlou\u0161\u0165ka:<\/strong> Tvrd\u00e9 chromov\u00e1n\u00ed je mnohem siln\u011bj\u0161\u00ed ne\u017e dekorativn\u00ed chrom a obvykle se pohybuje mezi 0 0002 a\u017e 0 020 palci. Tato tlou\u0161\u0165ka je v\u00fdhodn\u00e1 v tom, \u017ee nab\u00edz\u00ed zv\u00fd\u0161enou odolnost proti opot\u0159eben\u00ed a trvanlivost materi\u00e1lu.<\/li>\n<\/ul>\n\n
                                                      \n
                                                    • Tvrdost: <\/strong>Je extr\u00e9mn\u011b tvrd\u00e1, v rozmez\u00ed 65 a\u017e 69 HRC, d\u00edky \u010demu\u017e je vhodn\u00e1 pro pou\u017eit\u00ed v drsn\u00e9m pr\u016fmyslov\u00e9m prost\u0159ed\u00ed.<\/li>\n<\/ul>\n\n
                                                        \n
                                                      • Povrchov\u00e1 \u00faprava:<\/strong> Tvrd\u00fd chrom, p\u0159esto\u017ee je kovov\u00fd a leskl\u00fd, nem\u00e1 vyrovn\u00e1vac\u00ed \u00fa\u010dinek; ve skute\u010dnosti m\u00e1 tendenci zv\u00fdraz\u0148ovat nedokonalosti a nerovnosti povrchu. Proto se nepou\u017e\u00edv\u00e1 pro estetick\u00e9 funkce.<\/li>\n<\/ul>\n\n

                                                        Dekorativn\u00ed chromov\u00e1n\u00ed<\/strong><\/h3>\n\n

                                                        Dekorativn\u00ed chromov\u00e1n\u00ed se pou\u017e\u00edv\u00e1 hlavn\u011b ke zkr\u00e1\u0161len\u00ed d\u00edl\u016f, proto\u017ee m\u00e1 leskl\u00fd povrch. Vytv\u00e1\u0159\u00ed hladk\u00fd, reflexn\u00ed a leskl\u00fd povrch, kter\u00fd dod\u00e1v\u00e1 konstrukci dobr\u00fd vzhled.<\/p>\n\n

                                                        Tento typ pokovov\u00e1n\u00ed se obvykle pou\u017e\u00edv\u00e1 na automobilov\u00e9 ozdoby, dom\u00e1c\u00ed pot\u0159eby, \u017eelez\u00e1\u0159sk\u00e9 zbo\u017e\u00ed, hudebn\u00ed n\u00e1stroje a dal\u0161\u00ed spot\u0159ebn\u00ed v\u00fdrobky.<\/p>\n\n

                                                        Vlastnosti:<\/strong><\/p>\n\n

                                                          \n
                                                        • Tlou\u0161\u0165ka:<\/strong> Dekorativn\u00ed chromov\u00e1n\u00ed je ten\u010d\u00ed ne\u017e tvrd\u00e9 chromov\u00e1n\u00ed, m\u016f\u017ee b\u00fdt tenk\u00e9 a\u017e miliontinu palce. Tato tenk\u00e1 vrstva sta\u010d\u00ed k tomu, aby byl povrch leskl\u00fd a reflexn\u00ed, ani\u017e by se zv\u011bt\u0161ila tlou\u0161\u0165ka materi\u00e1lu.<\/li>\n<\/ul>\n\n
                                                            \n
                                                          • Povrstven\u00ed:<\/strong> Proces obvykle zahrnuje galvanick\u00e9 pokoven\u00ed p\u0159edm\u011btu vrstvou niklu p\u0159ed pokoven\u00edm vrstvou chromu. Niklov\u00e1 vrstva dod\u00e1v\u00e1 vzhled hladkosti, lesku a odolnosti proti korozi, zat\u00edmco nepatrn\u00e1 chromov\u00e1 vrstva dod\u00e1v\u00e1 m\u00edrn\u00fd modr\u00fd n\u00e1dech a dodate\u010dnou ochranu proti od\u011bru a korozi.<\/li>\n<\/ul>\n\n
                                                              \n
                                                            • Snadn\u00e9 \u010di\u0161t\u011bn\u00ed:<\/strong> Chrom pou\u017eit\u00fd v dekorativn\u00edch v\u00fdrobc\u00edch je hladk\u00fd a snadno se \u010dist\u00ed, a proto je ide\u00e1ln\u00ed pro dom\u00e1c\u00ed pou\u017eit\u00ed.<\/li>\n<\/ul>\n\n
                                                              Srovn\u00e1vac\u00ed tabulka <\/strong><\/td><\/tr>
                                                              Funkce<\/td>Tvrd\u00e9 chromov\u00e1n\u00ed<\/td>Dekorativn\u00ed chromov\u00e1n\u00ed<\/td><\/tr>
                                                              Prim\u00e1rn\u00ed pou\u017eit\u00ed<\/td>Pr\u016fmyslov\u00e9 aplikace<\/td>Estetick\u00e9 vylep\u0161en\u00ed<\/td><\/tr>
                                                              Tlou\u0161\u0165ka<\/td>0,0002 a\u017e 0,020 palce<\/td>Miliontiny palce<\/td><\/tr>
                                                              Tvrdost<\/td>65 a\u017e 69 HRC<\/td>Nen\u00ed specifikov\u00e1no<\/td><\/tr>
                                                              Povrchov\u00e1 \u00faprava<\/td>Zd\u016fraz\u0148uje povrchov\u00e9 vady<\/td>Hladk\u00fd a reflexn\u00ed<\/td><\/tr>
                                                              Vrstven\u00ed<\/td>Jednovrstv\u00e1 vrstva chromu<\/td>Niklov\u00e1 vrstva n\u00e1sledovan\u00e1 tenkou vrstvou chromu<\/td><\/tr>
                                                              Aplikace<\/td>Hydraulick\u00e9 ty\u010de, p\u00edstn\u00ed krou\u017eky, formy<\/td>Automobilov\u00e9 oblo\u017een\u00ed, vybaven\u00ed pro dom\u00e1cnost<\/td><\/tr>
                                                              Snadn\u00e9 \u010di\u0161t\u011bn\u00ed<\/td>Nen\u00ed specifikov\u00e1no<\/td>Snadn\u00e9 \u010di\u0161t\u011bn\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

                                                              Jak odstranit chromov\u00e1n\u00ed?<\/strong><\/h2>\n\n

                                                              Existuj\u00ed 3 zp\u016fsoby, jak v\u00e1s informovat o tom, jak sundat chrom<\/p>\n\n

                                                              Specializovan\u00e9 vybaven\u00ed<\/strong><\/h3>\n\n

                                                              Za prv\u00e9, pou\u017eit\u00ed specializovan\u00e9ho vybaven\u00ed z\u016fst\u00e1v\u00e1 nejdra\u017e\u0161\u00ed, ale nej\u00fa\u010dinn\u011bj\u0161\u00ed metodou. Zvolit tento postup znamen\u00e1 najmout si zku\u0161en\u00e9ho pracovn\u00edka, kter\u00fd se specializuje na odstra\u0148ov\u00e1n\u00ed chromov\u00fdch povlak\u016f.<\/p>\n\n

                                                              Abrasivn\u00ed blaster <\/strong><\/p>\n\n

                                                              P\u0159i abrazivn\u00edm trysk\u00e1n\u00ed je t\u0159eba pou\u017e\u00edt vysokotlak\u00fd vzduch k pohonu abrazivn\u00edch materi\u00e1l\u016f v\u010detn\u011b p\u00edsku, sklen\u011bn\u00fdch kuli\u010dek nebo ocelov\u00fdch brok\u016f na povrch. Tato technika se pou\u017e\u00edv\u00e1 k odstran\u011bn\u00ed chromu nebo jin\u00e9ho typu povrchov\u00e9 \u00fapravy na d\u00edlech automobil\u016f, p\u0159i\u010dem\u017e kovov\u00fd z\u00e1klad z\u016fst\u00e1v\u00e1 nedot\u010den. P\u0159esto s sebou nese n\u011bkter\u00e1 nebezpe\u010d\u00ed, jako je vdechov\u00e1n\u00ed prachu, mo\u017enost poran\u011bn\u00ed o\u010d\u00ed a ko\u017en\u00ed vyr\u00e1\u017eka.<\/p>\n\n

                                                              Ultrazvukov\u00fd \u010disti\u010d <\/strong><\/p>\n\n

                                                              Dal\u0161\u00ed metodou zalo\u017eenou na za\u0159\u00edzen\u00ed je pou\u017eit\u00ed ultrazvukov\u00e9 \u010disti\u010dky, kter\u00e1 se v\u011bt\u0161inou pou\u017e\u00edv\u00e1 k myt\u00ed choulostiv\u00fdch v\u00fdrobk\u016f, jako jsou elektronick\u00e9 sou\u010d\u00e1stky nebo \u0161perky. Vyu\u017e\u00edv\u00e1 vysokofrekven\u010dn\u00ed zvukov\u00e9 vlny k \u010di\u0161t\u011bn\u00ed povrchu odstran\u011bn\u00edm ne\u010distot a jin\u00fdch skvrn. <\/p>\n\n

                                                              V p\u0159\u00edpad\u011b chromu doch\u00e1z\u00ed k siln\u00fdm vibrac\u00edm \u010d\u00e1stic chromu, kter\u00e9 je nut\u00ed uvol\u0148ovat se z kovu. Tato metoda je snadn\u00e1 a neinvazivn\u00ed. Vzhledem k velikosti \u010disti\u010de se nejl\u00e9pe pou\u017e\u00edv\u00e1 na mal\u00e9 p\u0159edm\u011bty.<\/p>\n\n

                                                              Pou\u017e\u00edv\u00e1n\u00ed chemick\u00fdch l\u00e1tek<\/strong><\/h3>\n\n

                                                              Chemik\u00e1lie jsou levn\u011bj\u0161\u00ed ne\u017e mechanick\u00e9 metody odstra\u0148ov\u00e1n\u00ed chromu, ale p\u0159edstavuj\u00ed v\u00e1\u017en\u00e1 zdravotn\u00ed rizika. Proto je p\u0159i jejich pou\u017eit\u00ed pot\u0159eba ochrann\u00fdch pom\u016fcek.<\/p>\n\n

                                                              Kyselina chlorovod\u00edkov\u00e1<\/p>\n\n

                                                              Tato \u017e\u00edrav\u00e1 l\u00e1tka se pou\u017e\u00edv\u00e1 tak\u00e9 k odstra\u0148ov\u00e1n\u00ed rzi a b\u011b\u017en\u011b se ozna\u010duje jako kyselina muri\u010dn\u00e1. K odstran\u011bn\u00ed chromu sta\u010d\u00ed kapalina o koncentraci 30-40 %. Chromovan\u00e9 d\u00edly by se m\u011bly nam\u00e1\u010det v kapalin\u011b v siln\u00e9 kovov\u00e9 p\u00e1nvi, dokud se chrom neodstran\u00ed. Tato kapalina se sm\u00edch\u00e1 s kyselinou chlorovod\u00edkovou a vodou v pom\u011bru 1\/3 kyseliny a vody.<\/p>\n\n

                                                              Hydroxid sodn\u00fd<\/p>\n\n

                                                              Hydroxid sodn\u00fd, ozna\u010dovan\u00fd tak\u00e9 jako louh nebo kaustick\u00e1 soda, je \u00fa\u010dinn\u00fd p\u0159i odstra\u0148ov\u00e1n\u00ed chromu, ale p\u0159i reakci s hlin\u00edkem uvol\u0148uje vysoce v\u00fdbu\u0161n\u00fd plynn\u00fd vod\u00edk. <\/p>\n\n

                                                                \n
                                                              1. V neutr\u00e1ln\u00ed n\u00e1dob\u011b sm\u00edchejte 8 a\u017e 12 tekut\u00fdch unc\u00ed louhu s galonem vody.<\/li>\n<\/ol>\n\n
                                                                  \n
                                                                1. Nam\u00e1\u010dejte p\u0159edm\u011bt, dokud nezmiz\u00ed chrom.<\/li>\n<\/ol>\n\n
                                                                    \n
                                                                  1. Opl\u00e1chn\u011bte a osu\u0161te.<\/li>\n<\/ol>\n\n

                                                                    Reverzn\u00ed galvanick\u00e9 pokovov\u00e1n\u00ed<\/p>\n\n

                                                                    Proces zp\u011btn\u00e9ho galvanick\u00e9ho pokovov\u00e1n\u00ed se prov\u00e1d\u00ed pomoc\u00ed kyselin s\u00edrov\u00e9 a chromov\u00e9, co\u017e je nebezpe\u010dn\u00e9 kv\u016fli zran\u011bn\u00edm a toxick\u00fdm plyn\u016fm. Tento postup by m\u011bly prov\u00e1d\u011bt pouze osoby, kter\u00e9 maj\u00ed dostate\u010dn\u00e9 znalosti v oblasti zach\u00e1zen\u00ed s elekt\u0159inou a chemik\u00e1liemi, a prov\u00e1d\u00ed se pr\u016fchodem d\u00edl\u016f proudem pod nap\u011bt\u00edm, aby se odd\u011blil chrom.<\/p>\n\n

                                                                    Produkty ka\u017edodenn\u00ed pot\u0159eby pro dom\u00e1cnost pro dom\u00e1c\u00ed chromov\u00e1n\u00ed<\/strong><\/h3>\n\n
                                                                      \n
                                                                    • Soda:<\/strong> Z jemn\u00e9ho abraziva, jedl\u00e9 sody, lze vytvo\u0159it pastu, kterou lze pou\u017e\u00edt k odstran\u011bn\u00ed tenk\u00fdch vrstev chromu.<\/li>\n<\/ul>\n\n
                                                                        \n
                                                                      • B\u011blen\u00ed:<\/strong> Ten\u010d\u00ed povlaky je mo\u017en\u00e9 odstranit jednodenn\u00edm namo\u010den\u00edm chromovan\u00e9ho p\u0159edm\u011btu do b\u011blic\u00edho roztoku; b\u011blidlo v\u017edy \u0159\u00e1dn\u011b zlikvidujte.<\/li>\n<\/ul>\n\n

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

                                                                        Galvanick\u00e9 pokovov\u00e1n\u00ed chromem na jin\u00fdch kovech je zn\u00e1m\u00e9 jako chromov\u00e1n\u00ed a m\u00e1 n\u00e1sleduj\u00edc\u00ed v\u00fdhody.<\/p>\n\n

                                                                        Tato chromovan\u00e1 vrstva nejen zlep\u0161uje vzhled, ale tak\u00e9 zvy\u0161uje tvrdost povrchu, usnad\u0148uje jeho \u010di\u0161t\u011bn\u00ed a poskytuje ochranu proti korozi. Je ide\u00e1ln\u00ed pro komer\u010dn\u00ed a pr\u016fmyslov\u00e9 aplikace.<\/p>\n\n

                                                                        Spole\u010dnost ChansMachining je jako v\u00e1\u0161 v\u00fdrobn\u00ed partner p\u0159ipravena poskytnout v\u00e1m ty nejlep\u0161\u00ed slu\u017eby v oblasti chromov\u00e1n\u00ed. Disponujeme t\u00fdmem vysoce zku\u0161en\u00fdch odborn\u00edk\u016f a nejmodern\u011bj\u0161\u00edmi n\u00e1stroji pro \u0159e\u0161en\u00ed va\u0161ich po\u017eadavk\u016f na v\u00fdrobky. Nev\u00e1hejte n\u00e1s kontaktovat je\u0161t\u011b dnes, abyste v\u011bd\u011bli, jak v\u00e1m m\u016f\u017eeme pomoci s va\u0161\u00edm projektem.<\/p>\n\n

                                                                        FAQ<\/strong><\/h2>\n\n

                                                                        Jak\u00e9 materi\u00e1ly lze pochromovat?<\/strong><\/p>\n\n

                                                                        Chromov\u00e1n\u00ed je jednou z nejobl\u00edben\u011bj\u0161\u00edch technologi\u00ed, kter\u00e1 zahrnuje nan\u00e1\u0161en\u00ed chromu na r\u016fzn\u00e9 substr\u00e1ty za \u00fa\u010delem zlep\u0161en\u00ed jejich ochrany proti korozi, tvrdosti povrchu a vzhledu. Mezi nejpou\u017e\u00edvan\u011bj\u0161\u00ed materi\u00e1ly pro pokovov\u00e1n\u00ed pat\u0159\u00ed ocel, nerezov\u00e1 ocel, hlin\u00edk, m\u011b\u010f a jej\u00ed slitiny, mosaz, bronz a n\u011bkter\u00e9 plasty, i kdy\u017e u t\u011bchto posledn\u00edch materi\u00e1l\u016f je t\u0159eba nejprve nan\u00e9st vodivou vrstvu.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                                                        Va\u0161e kovov\u00e9 obr\u00e1b\u011bn\u00e9 d\u00edly mohou pravd\u011bpodobn\u011b zreziv\u011bt nebo se opot\u0159ebovat, proto\u017ee vy\u017eaduj\u00ed lep\u0161\u00ed povrchov\u00e9 vlastnosti, aby d\u00e9le vydr\u017eely a l\u00e9pe vypadaly, \u010deho\u017e lze dos\u00e1hnout v\u00fdb\u011brem vhodn\u00fdch materi\u00e1l\u016f pro chromov\u00e1n\u00ed.<\/p>\n

                                                                        Pokud nejsou obr\u00e1b\u011bn\u00e9 d\u00edly chr\u00e1n\u011bny, pravd\u011bpodobn\u011b se jejich stav velmi rychle zhor\u0161\u00ed. To m\u00e1 za n\u00e1sledek \u010dast\u011bj\u0161\u00ed v\u00fdm\u011bny, a tedy i vy\u0161\u0161\u00ed n\u00e1klady. <\/p>\n

                                                                        Chromov\u00e1n\u00ed by pro v\u00e1s mohlo tyto probl\u00e9my vy\u0159e\u0161it. Zahrnuje proces nan\u00e1\u0161en\u00ed tenk\u00e9 vrstvy chromu na povrch kovu. Tento proces zaji\u0161\u0165uje povrch odoln\u00fd proti korozi a snadno \u010distiteln\u00fd. Z\u00e1rove\u0148 jej \u010din\u00ed tvrd\u0161\u00edm a dod\u00e1v\u00e1 mu leskl\u00fd kovov\u00fd lesk. Jako n\u00e1\u0161 pr\u016fvodce uv\u00e1d\u00edme vy\u010derp\u00e1vaj\u00edc\u00ed informace. Pom\u016f\u017ee v\u00e1m p\u0159i v\u00fdb\u011bru nejvhodn\u011bj\u0161\u00edho chromov\u00e1n\u00ed pro v\u00e1\u0161 projekt, abyste dos\u00e1hli nejlep\u0161\u00edho v\u00fdsledku.<\/p>\n","protected":false},"author":1,"featured_media":8604,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-14456","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-cs"],"yoast_head":"\nZ\u00e1kladn\u00ed pr\u016fvodce chromov\u00e1n\u00edm - ChansMachining<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Z\u00e1kladn\u00ed pr\u016fvodce chromov\u00e1n\u00edm - ChansMachining\" \/>\n<meta property=\"og:description\" content=\"Va\u0161e kovov\u00e9 obr\u00e1b\u011bn\u00e9 d\u00edly mohou pravd\u011bpodobn\u011b zreziv\u011bt nebo se opot\u0159ebovat, proto\u017ee vy\u017eaduj\u00ed lep\u0161\u00ed povrchov\u00e9 vlastnosti, aby d\u00e9le vydr\u017eely a l\u00e9pe vypadaly, \u010deho\u017e lze dos\u00e1hnout v\u00fdb\u011brem vhodn\u00fdch materi\u00e1l\u016f pro chromov\u00e1n\u00ed. Pokud nejsou obr\u00e1b\u011bn\u00e9 d\u00edly chr\u00e1n\u011bny, pravd\u011bpodobn\u011b se jejich stav velmi rychle zhor\u0161\u00ed. To m\u00e1 za n\u00e1sledek \u010dast\u011bj\u0161\u00ed v\u00fdm\u011bny, a tedy i vy\u0161\u0161\u00ed n\u00e1klady. Chromov\u00e1n\u00ed by pro v\u00e1s mohlo tyto probl\u00e9my vy\u0159e\u0161it. Zahrnuje proces nan\u00e1\u0161en\u00ed tenk\u00e9 vrstvy chromu na povrch kovu. Tento proces zaji\u0161\u0165uje povrch odoln\u00fd proti korozi a snadno \u010distiteln\u00fd. Z\u00e1rove\u0148 jej \u010din\u00ed tvrd\u0161\u00edm a dod\u00e1v\u00e1 mu leskl\u00fd kovov\u00fd lesk. Jako n\u00e1\u0161 pr\u016fvodce uv\u00e1d\u00edme vy\u010derp\u00e1vaj\u00edc\u00ed informace. Pom\u016f\u017ee v\u00e1m p\u0159i v\u00fdb\u011bru nejvhodn\u011bj\u0161\u00edho chromov\u00e1n\u00ed pro v\u00e1\u0161 projekt, abyste dos\u00e1hli nejlep\u0161\u00edho v\u00fdsledku.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/\" \/>\n<meta property=\"og:site_name\" content=\"ChansMachining\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-13T16:28:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-18T05:27:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/chansmachining.com\/wp-content\/uploads\/2024\/09\/Chrome-Plating.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"650\" \/>\n\t<meta property=\"og:image:height\" content=\"403\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"ChansMachining\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"ChansMachining\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/\"},\"author\":{\"name\":\"ChansMachining\",\"@id\":\"https:\/\/chansmachining.com\/cs\/#\/schema\/person\/09f020fd65092892083c685ff8819f2b\"},\"headline\":\"Z\u00e1kladn\u00ed pr\u016fvodce chromov\u00e1n\u00edm\",\"datePublished\":\"2024-09-13T16:28:08+00:00\",\"dateModified\":\"2024-12-18T05:27:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/\"},\"wordCount\":2381,\"publisher\":{\"@id\":\"https:\/\/chansmachining.com\/cs\/#organization\"},\"image\":{\"@id\":\"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/chansmachining.com\/wp-content\/uploads\/2024\/09\/Chrome-Plating.webp\",\"articleSection\":[\"Uncategorized @cs\"],\"inLanguage\":\"cs\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/\",\"url\":\"https:\/\/chansmachining.com\/cs\/zakladni-pruvodce-chromovanim\/\",\"name\":\"Z\u00e1kladn\u00ed pr\u016fvodce chromov\u00e1n\u00edm - 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