Tsarin gyaran saman da aka saba amfani da su shine sukurorioxidation, electrophoresis, electroplating, Dacromet rukunoni huɗu, waɗannan galibi don lalata su nelauni na maganin saman taƙaitaccen rarrabuwa.
- Baƙi oxide:
An raba shi zuwa duhun zafin ɗaki da duhun zafin jiki mai yawa, zuwa duhun zafin ɗaki a matsayin misali na tsarin shine: rage mai a jiki - wanke ruwan zafi - wanke ruwan sanyi - cire tsatsa da kuma lalata acid - tsaftacewa - yin baƙi - tsaftacewa - A kan mai ko a rufe. Yana da wani Layer na fim ɗin oxide da aka samar ta hanyar sodium hydroxide da sodium nitrite a zafin jiki mai girma sama da digiri 100.
Babban abin da ke cikin fim ɗin oxide shine ƙarfe tetraoxide (Fe3C4), daidaiton fim ɗin shine 0.6-1.5um kawai, juriya ga tsatsa ba shi da kyau, idan ba a shafa mai a kan mai ko feshi mai tsaka tsaki na tsawon sa'o'i 1-2 ko makamancin haka ba, a kan mai a cikin sa'o'i 3-4 ko makamancin haka. Ƙananan kayan aiki ba sa amfani da wannan tsari a yanzu. An bambanta shi da bayyanar launin, baƙin oxide da baƙin zinc da baƙin electrophoretic da baƙin electrophoretic, amma ba su da haske kamar baƙin zinc da launin baƙin electrophoretic.
- Galvanise:
Baƙin electroplating yana da nau'ikan zinc baƙi da nickel baƙi, ƙa'idar aikin iri ɗaya ce, kawai tsarin maganin electroplating da kuma bayan magani tare da maganin lattice ko passivation daban-daban. Zinc yana aiki a fannin sinadarai, yana da sauƙin oxidize da duhu a cikin yanayi, kuma a ƙarshe yana samar da tsatsa mai 'farin tsatsa', zinc plating bayan maganin chromate don rufe wani Layer na zinc akan fim ɗin canza sinadarai, don haka ƙarfe mai aiki yana cikin yanayin rashin aiki, shine passivation na layin zinc. Fim ɗin Passivation daga bayyanar za a iya raba shi zuwa farin passivation (farin zinc), shuɗi mai haske (shuɗin zinc), baƙi passivation (baƙar zinc), kore passivation na soja (koren zinc) da sauransu.
- Electrophoresis Baƙi:
Amfani da hanyar lantarki don saka barbashi na resin kwayoyin halitta a kan sassa don samar da layin rufin kwayoyin halitta na launuka daban-daban, ana amfani da baƙar fata ta electrophoresis a masana'antu, ɗauki tsarin baƙar fata a matsayin misali: tsaftacewa-tsaftacewa-phosphating-electrophoresis fenti-busarwa. Ana iya raba shi zuwa anodic electrophoresis (resin ionization zuwa negative ions) da cathodic electrophoresis (resin electrophoresis zuwa positive ions), kuma tsarin fenti idan aka kwatanta da aikin gini yana da kyau, gurɓatawa da cutarwa ga muhalli don rage juriyarsa ga aikin fesa gishiri tsaka tsaki cikin awanni 300 ko fiye, farashi da juriyar tsatsa da tsarin Dacromet iri ɗaya ne.
- Farin zinc:
Tsarin Electroplating shine: rage mai - tsaftacewa - kunna acid mai rauni - kunna zinc - tsaftacewa - gashi mai launin fari - tsaftacewa - bushewa, da kuma bambancin zinc baƙar fata babu Bambancin mafita na over lat da passivation, passivation fari fim ne mai haske wanda ba shi da launi, kusan babu chromium, don haka juriyar tsatsa idan aka kwatanta da zinc baƙi, zinc shuɗi, zinc mai launi ya fi talauci, ma'aunin masana'antu a cikin awanni 6-12, akwai wannan masana'antar plating ta hanyar inganta daidaiton rabo na maganin passivation za a iya yi don tsayayya da feshi mai tsaka tsaki na kimanin awanni 20.
Saboda nau'in fenti mai launin fari, sukurori don yin gwajin feshi mai tsaka-tsaki ya fara bayyana a saman farantin, farar tsatsa, ja, abin da ke faruwa a cikin kimanin awanni 40, don haka juriyar tsatsa ta farin zinc ta fi farin nickel kyau. Bayyanar da farin nickel idan aka kwatanta da duhu, farin zinc don launin asali na zinc kore-fari, da farin nickel idan aka kwatanta da babban bambanci.
- Farin Nickel:
Tsarin yin fenti shine: rage mai - tsaftacewa - kunna acid mai rauni - tsaftacewa - ƙasan jan ƙarfe - kunnawa - tsaftacewa - yin amfani da nickel mai amfani da lantarki - Tsaftacewa - passivation - tsaftacewa - busarwa - ko rufewa, kuma tsarin nickel baƙi iri ɗaya ne, galibi tsarin maganin plating ya bambanta, ƙarancin zinc sulfide da haɗawa. Nickel ƙarfe ne mai launin azurfa-fari, don samun kyakkyawan kamanni, zai haɗu da mai haske mai ɗauke da nickel. Juriyar tsatsa da nickel baƙi ba su da bambanci sosai awanni 6-12, tsarin masana'antun gabaɗaya zai kasance akan mai ko rufewa, kamar la'akari da tasirin tsatsa akan sassan filastik na kayan da ke shigowa ya kamata a yi amfani da shi azaman mai da hankali kan sarrafa ko fiye da mai ko a'a.
- Tutiya mai launin shuɗi, tutiya kore:
Tsarin yana kama da na farin zinc, shuɗin zinc oxide fim ɗin zinc oxide yana ɗauke da 0.5-0.6mg/dm2 na trivalent chromium. Koren passivation, wanda aka fi sani da biyar-acid passivation, zai iya samun kauri mai launin kore mai launin ciyawa, maganin passivation yana ɗauke da ions na phosphate, sakamakon fim ɗin glossy-green shine fim mai tsari, mai tsari mai rikitarwa na chromates da phosphates.
Domin juriyar tsatsa, launin shuɗin zinc ya fi farin zinc kyau, yayin da launin koren zinc ya fi shuɗin zinc kyau. Launin shuɗin zinc ɗan shuɗi ne kuma farin zinc yana kusa da masana'antar don amfani da ƙari, na ƙarshen kuma ana iya amfani da shi azaman ƙirar samfuri lokacin da aka maye gurbin tsarin sukurori.
- Sinadarin Enamel (kimiyya):
A cikin rukunin galvanizing na tsarin zinc mai launi, tsarin passivation mai launi shine: galvanizing - tsaftacewa - 2% - 3% nitric acid daga haske - tsaftacewa - ƙarancin passivation mai launi chromium - tsaftacewa - Tsufa na gasawa. Zafin passivation ya yi ƙasa sosai, fim ɗin yana da jinkiri, siririn fim mai haske. Zafin jiki mai yawa, fim ɗin yana da kauri da sako-sako, ba a haɗa shi sosai ba. Zai fi kyau a sarrafa shi a kimanin digiri 25 don tabbatar da cewa an sami irin wannan launi a cikin wani lokaci.
Bayan an yi amfani da shi sosai, dole ne a gasa shi a kuma tsotse shi domin ya inganta juriyar mannewa da tsatsa na fim ɗin. A yi wa sukurori masu launin zinc fenti ta hanyar taɓa ƙasan juriyar fesawar gishiri mai tsaka-tsaki cikin sama da awanni 48, ana iya sarrafa shi da kyau fiye da awanni 100.
- Dacromet:
Ita ce taƙaitacciyar kuma fassarar DACROMET, wato murfin kariya daga gishirin chromium mai kama da zinc, wanda kuma ake kira murfin zinc-aluminum. Tsarin asali shine: rage mai - rage mai - rufewa - dumamawa kafin lokaci - sanyaya sintering - sanyaya. Tsarin zai kasance sau 2-4 daga rufewa zuwa sanyaya, saboda ana buƙatar a yi sukurori masu rufewa don cimma wani kauri.
Tsarin yana kan saman ƙarfe, an lulluɓe shi da wani Layer na maganin Dacromet (watau, yana ɗauke da sikelin zinc, aluminum [sikelin gabaɗaya girman 0.1-0.2X10-15 microns] Cr03 da kuma wani abu na musamman na halitta na ruwan da aka gauraya sosai), da zafin zafi na 300 ° C ko makamancin haka, ana dafa shi a cikin wani lokaci, ruwan Dacromet a cikin chromium na hexavalent ya ragu zuwa chromium na trivalent, wanda ke haifar da mahaɗan chromate marasa tsari (nCr03) mCr203).
Juriyar tsatsa tana da kyau sosai gishirin tsaka tsaki har zuwa awanni 300 ko fiye, rashin kyawun murfin ba iri ɗaya bane, siririn matsayi na 5-10um, kauri matsayi na 40um ko makamancin haka, zai shafi zurfin diamita na sukurori, don haka injin yana taɓa sukurori da sukurori tare da ƙaramin diamita na sukurori yana da kyau sosai kada a yi amfani da tsarin Dacromet azaman maganin saman.
Lokacin Saƙo: Satumba-18-2024
