Sukurori da aka fi amfani da hanyoyin jiyya na saman suneoxidation, electrophoresis, electroplating, Dacromet nau'i hudu, masu biyowa galibi don dunƙulelauni na saman jiyya na rarrabuwa summary.
- Baki oxide:
An raba shi zuwa baƙar fata da zafin jiki mai zafi, zuwa baƙar fata a cikin ɗaki a matsayin misali na tsari shine: lalata sinadarai - wanke ruwan zafi - wanke ruwan sanyi - cire tsatsa da ƙurar acid - tsaftacewa - baƙar fata - tsaftacewa -Over man ko rufe. Layer ne na fim ɗin oxide da aka samar da sodium hydroxide da sodium nitrite a babban zafin jiki fiye da digiri 100.
Babban bangaren fim ɗin oxide shine tetraoxide baƙin ƙarfe (Fe3C4), daidaiton fim ɗin shine kawai 0.6-1.5um, juriya na lalata ba shi da ƙarancin ƙarancin mai, idan ba a kan mai ko rufewar gishiri mai tsaka tsaki kawai 1-2 hours ko makamancin haka, akan mai a cikin sa'o'i 3-4 ko makamancin haka. Ƙananan na'urori ba sa amfani da wannan tsari na ɗan gajeren lokaci. An bambanta da bayyanar launi, black oxide da black zinc da electrophoretic black suna kusa, amma ba mai haske kamar baƙar fata baƙar fata da launi na electrophoretic.
- Galvanize:
Black electroplating yana da nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i) nau'i-nau'i na nickel. Zinc ne chemically aiki, sauki oxidise da duhu a cikin yanayi, da kuma a karshe samar da 'farin tsatsa' lalata, zinc plating bayan chromate magani domin ya rufe wani Layer na zinc a kan sinadaran hira film, sabõda haka, da aiki karfe ne a cikin m jihar, shi ne passivation na zinc Layer. Passivation fim daga bayyanar za a iya raba fari passivation (farin zinc), haske blue (blue zinc), black passivation (black zinc), soja kore passivation (kore zinc) da sauransu.
- Electrophoresis Black:
Yin amfani da hanyar electrochemical don saka ƙwayoyin colloidal na resin Organic akan sassa don samar da Layer shafi na launi daban-daban, ana amfani da baƙar fata na electrophoresis a cikin masana'antu, ɗauki tsarin baƙar fata a matsayin misali: lalata-cleaning-phosphating-electrophoresis fenti-bushewa. Za a iya raba zuwa anodic electrophoresis (guro ionisation cikin korau ions) da kuma cathodic electrophoresis (gudu electrophoresis cikin tabbatacce ions), da kuma Paint tsari idan aka kwatanta da yi da yi yi mai kyau, gurbatawa da kuma cutar da yanayi don rage ta juriya ga tsaka tsaki gishiri yi aiki a cikin 300 hours ko fiye, da kudin da lalata juriya da Dacromet tsari ne kama.
- Zinc fari:
Electroplating tsari ne: degreasing - tsaftacewa - rauni acid kunnawa - electroplating zinc - tsaftacewa - farin passivation gashi - tsaftacewa - bushewa, da kuma baki tutiya bambanci ba Over lat tara da passivation bayani bambance-bambance, farin passivation ne wani colorless m tutiya oxide film, kusan babu chromium, don haka lalata juriya dangi zuwa baki tutiya, blue tutiya, 6 masana'antu ne matalauta juriya ga baki tutiya, blue tutiya, 6 masana'antu ne matalauta juriya ga baki tutiya, blue tutiya, a can akwai tutiya 1 masana'antu. ta hanyar inganta madaidaicin rabo na maganin wucewa za a iya yi don tsayayya da gishiri mai tsaka tsaki na kimanin sa'o'i 20.
Saboda farin tutiya plating irin surface jiyya tsari sukurori yi tsaka tsaki gishiri fesa gwajin farko ya bayyana a saman plating lalata fari, ja sabon abu ne a cikin game da 40 hours, don haka farin tutiya lalata juriya ne mafi alhẽri daga farin nickel. Bayyanar da farin nickel idan aka kwatanta da duhu, farin zinc don asalin launi na zinc kore-fari, da farin nickel idan aka kwatanta da babban bambanci.
- Farin Nickel:
Plating tsari ne: degreasing - tsaftacewa - rauni acid kunnawa - tsaftacewa - jan karfe kasa - kunnawa - tsaftacewa - electroplating nickel- Cleaning - passivation - tsaftacewa - bushewa - ko rufe, da kuma baki nickel tsari ne m guda, yafi plating bayani dabara ne daban-daban, kasa tutiya sulfide da join.Nickel ne a azurfa-farin rawaya farantin karfe, da haske shiga nickel. Its juriya na lalata da nickel baki ba shi da bambanci sosai 6-12 hours, tsarin masana'antun gabaɗaya kuma za su kasance akan mai ko rufewa, kamar la'akari da tasirin lalata akan sassan filastik na kayan da ke shigowa a matsayin mai da hankali kan sarrafa ko a'a akan mai.
- Zinc blue, kore zinc:
Tsarin yana da kusan iri ɗaya da na farin zinc, shuɗi mai shuɗi shine fim ɗin zinc oxide mai wucewa ya ƙunshi 0.5-0.6mg/dm2 na chromium trivalent. Green passivation, kuma aka sani da biyar-acid passivation, na iya samun lokacin farin ciki ciyawa-kore fim, da passivation bayani ƙunshi phosphate ions, sakamakon m ciyawa-kore fim ne mai hadaddun, structurally hadaddun kariya film na chromates da phosphates.
Don juriya na lalata, zinc blue ya fi farin zinc kyau, yayin da koren zinc ya fi zinc mai shuɗi. Launi na shuɗi mai launin shuɗi yana ɗan shuɗi kuma farin zinc yana kusa da masana'antar don amfani da ƙari, na ƙarshe kuma ana iya amfani dashi azaman ƙirar samfuri lokacin da madadin tsari na sukurori.
- Enameled zinc (Chemistry):
A cikin galvanizing category na aiwatar da canza launin tutiya ne in mun gwada da kyau lalata juriya, ta canza launin passivation tsari ne: galvanizing - tsaftacewa - 2% - 3% nitric acid daga haske - tsaftacewa - low chromium canza launin passivation - tsaftacewa -Baking tsufa. Yawan zafin jiki na wucewa ya yi ƙasa sosai, fim ɗin yana jinkirin, fim ɗin bakin ciki. Babban zafin jiki, fim ɗin yana da lokacin farin ciki da sako-sako, ba a haɗa shi da ƙarfi ba. Zai fi dacewa don sarrafawa a kusan digiri 25 don tabbatar da cewa an sami launi iri ɗaya a cikin wani ɗan lokaci.
Bayan wucewa, dole ne a yi gasa da tsufa don inganta mannewa da juriya na lalata fim. Launi na zinc-plated sukurori ta hanyar taɓa ƙasan juriya ga feshin gishiri mai tsaka tsaki a cikin sama da sa'o'i 48, ana iya yin iko mai kyau fiye da sa'o'i 100.
- Dacromet:
Shi ne gajarta da fassarar DACROMET, watau flaky zinc-based chromium gishiri rufin kariya, wanda kuma ake kira zinc-aluminium shafi. Tsarin asali shine: raguwa - raguwa - shafi - preheating - sintering - sanyaya. Tsarin zai kasance yana da sau 2-4 gabaɗaya daga shafi zuwa tsarin sanyaya, saboda sukurori tare da suturar tsoma kamar cimma wani kauri yana buƙatar yin ƙarin sau.
Tsarin yana kan saman karfe, an rufe shi da Layer na bayani na Dacromet (watau dauke da ma'auni na zinc, aluminum [ma'auni gabaɗaya girman 0.1-0.2X10-15 microns] Cr03 da kwayoyin halitta na musamman na rarrabuwa gauraye mai ruwa da ruwa), ta 300 ° C ko don haka adana zafi yana yin burodin wani ɗan lokaci, dacrovalent chromium ya rage zuwa wani lokaci na chromium. haifar da amorphous hadaddun chromate mahadi (nCr03) mCr203).
Lalacewa juriya ne sosai mai kyau tsaka tsaki gishiri har zuwa 300 hours ko fiye, da hasara na shafi ba uniform, bakin ciki matsayi na 5-10um, lokacin farin ciki matsayi na 40um ko haka, zai shafi zurfin dunƙule diamita, don haka inji tapping sukurori da sukurori tare da karamin diamita na sukurori ne mai kyau sosai ba don amfani da wani surface jiyya tsari kamar yadda dacromet jiyya tsari.
Lokacin aikawa: Satumba-18-2024
