Kodi ndi ziti zomwe zimayambitsa chithandizo chamankhwala champhamvu?

Njira yopangira mawonekedwe apakati pazinthu zingapo zomwe ndizosiyana ndi gawo lapansi malinga ndi makina ake, zakuthupi, ndi mankhwala zimadziwika kuti chithandizo chapamwamba. Pammaso chithandizo chimagwiritsidwa ntchito kukwaniritsa zojambulajambula ngati kuchuluka kwa kuchuluka kwa mankhwala, kuvala, ndi aesthetics.

Kuphatikiza pa njira yoyamba yoyambirira, kukana kwa chimbudzi ndi mawonekedwe a mawonekedwe ayenera kuganiziridwa mukasankha zomata. Wazomangira, njira zochizira pamtunda monga oxidation, electrophoresis, electroplatis, electroplat, dricrot, ndipo ena amagwiritsidwa ntchito kawirikawiri.

Malinga ndi mawonekedwe a mawonekedwe a screw, itha kugawidwa m'magulu otsatirawa:

Zomata zakuda

Wamba zakudazomangiraMakamaka kuphatikiza mankhwala akuda oxidation, ele electroflowes, ndi electrophoresis.

Chithandizo cha Black Black

Chithandizo cha wakuda ndi njira yodziwika bwino yamankhwala pachipatala, cholinga ndikupanga kanema wa oxide paachitsulo pamtunda kuti uzipatula mpweya ndikuletsa dzimbiri.

Njirayi ndikugwiritsa ntchito maxidant amphamvu kuti mutseke maxiidize pamwamba pa chitsulo mumadziwawa komanso osalala a ferroferric oxide. Wosanjikiza uyu wa frroferric oxide amatha kuteteza mkati mwa chitsulo cha m'mafuta. Ogawidwa kutentha pang'ono ndi kutentha kwambiri.

Ferroferric oxide opangidwa ndi kutentha kochepa (pafupifupi 350 ° C) ndi wakuda wakuda, komwe amadziwikanso kuti ndiwachinyengo. Ferroferric oxide wopangidwa ndi oxiyation kutentha kwambiri (pafupifupi 550 ° C) ndi thambo lamtambo, lomwe limadziwika kuti chithandizo chovuta. Chithandizo cha buluu nthawi zambiri chimagwiritsidwa ntchito popanga zida, ndipo chithandizo chakuda chimagwiritsidwa ntchito popanga mafakitale.

Maxiyazing zitsulo pamwamba, ferroferric oxitiyo amafunikira oxidant yamphamvu. Woxidant wamphamvu umakhala ndi sodium hydroxide, sodium nitrite, ndi trisyodium phosphate. Ikatembenuka, izani chitsulo ndi mafuta osungunuka, ndipo ikamakhala yakuda, itachigwira ndi yankho la madzi amphamvu.

Ekikipefoni

Ma elekitikiti ndi njira yogwiritsira ntchito electrolysis kuti mutsegule masamba ena achitsulo kapena mafilimu a Alloy pa chitsulo. Cholinga chake ndikusintha kuvala kukana, kukana kutukuza, komanso zopatsa chidwi.

Pali mitundu iwiri ya mapulani akuda: Black zinc polemba ndi kukwirira kwa nickel.

Zomata zakuda zinc

Kulemba kwa zinc Black ndi mtundu wa anti-octidation kukonzanso chitsulo, komwe kuli koyenera kwa zopangidwa ndi Hardware. Zinc ndikugwira ntchito mosavuta komanso osavuta oxidid ndi khungu mumlengalenga. Atachita bwino, amathandizidwa ndi filimu yotembenuka yotembenuza mankhwala pa zinc, kuti chitsulo chogwira chili patali, chomwe ndi kuchitira zitsulo. Kanema wa pasitepe amatha kugawidwa kuti ndi zoyera (zinc), buluu wowala (zinc)

Nthawi zambiri, njira yamagetsi yakuda kwambiri ndikuyeretsa ma acid-zotsukira-electro-elecvated utoto wotsuka.

Zomangira zakuda za nickel

Usually, the process of electroplating black nickel is degreasing – cleaning – weak acid activation – cleaning – copper plating bottom – activation – cleaning – black nickel plating – cleaning – passivation – cleaning – drying – sealing paint.

Kusamba kwakuda kwa Nickel komwe kwapezeka kuchokera kusamba kwakuda kwa nickel kuli ndi 40-60% Nickel, 20-30% zinc, 10-15% sulufule, komanso pafupifupi 10%. Mtundu wakuda umayambitsidwa ndi kukhalapo kwa Nickel Sulfide pakuzizira chifukwa chakuchepetsa kwa Thiode ku Castode kuti atulutse ma ionsude. Pampikisano pansi amawonjezeredwa mu njirayi, ndipo ntchito yayikulu ndikupanga ma nickel kukhala osavuta pakulemba ndikusintha kukana kwa chipongwe cha screw.

Electorophis

Ele ectrophores amatanthauza chodabwitsa chomwe tinthu tating'onoting'ono tomwe timayendera ma elekitodi omwe amayendera magetsi ochita magetsi.

Ma electrophores akuda ndikugwiritsa ntchito gawo lamagetsi lakunja kuti upangitse utoto ndi ukadaulo woyimitsidwa mu electrophhores yosanja molunjika ndikuyika pamtunda wa m'modzi wa electrodes. Kuda kwakuda kwambiri kumagwiritsidwa ntchito kwambiri m'makampaniwo, kumatenga njira yakuda monga chitsanzo: Kutsuka - kuyeretsa - phula - utoto wa electrophorekic - kuyanika. Itha kugawidwa mu Atodic Electophores (Resin imakhala yosasangalatsa pambuyo pa Ionaniza) ndi Cashonic electophoresis (utoto umakhala ma elekrophorofhousis). Poyerekeza ndi utoto, ili ndi kuipitsidwa bwino kwa chilengedwe komanso kuvulaza kwa chilengedwe ndi kuposerapo kosatheka ndi maola 300 ndizofanana ndi za ma dicromet.

Zomata zoyera

Zomangira zoyera zambiri makamaka zimaphatikizapo magetsi oyera a nickel, oyera, ndi zina zotero.

Ma elekitikiti oyera

Zomata zoyera za zinc

Njira ya zitsulo zoyera za zinc yoyera kwambiri. Kusiyana kwa zinzi ndi kuti kulibe penti yolimba kwambiri, ndipo njira yothetsera pasadaliro imasiyananso. Zolemba zoyera ndi filimu yopanda utoto yomwe ili ndi zilembo za zinchi, momwemonso kukana kwa chilengedwe ndikoipa kuposa kukhetsa kwamitchini yakuda, ya Blue.

Kutsutsa kwa nthaka yoyera kuli bwino kuposa a nickel oyera, ndipo mawonekedwe ake ndi amdima kuposa a nickel oyera.

Ma elcoflaing oyera

Zomangira zoyera za nickel

The process of electroplating white nickel is degreasing – cleaning – weak acid activation – cleaning – copper plating bottom – activation – cleaning – nickel plating – cleaning – passivation – cleaning – drying – or sealing. Njira yoyera ya nickel ndi electrofice ndi yofanana, kusiyana kwakhala mu njira yamagetsi yothetsera magetsi, popanda kuwonjezera zinc sulfide.

Zomangira zina za utoto

Zomata za utoto

Kulemba kwa mitundu ina makamaka kumaphatikizapo zinc, zobiriwira zinki, utoto, ndi dacromet.

Njira yoyambira ya zinc ndi zinni wobiriwira zimakhala zofanana ndi za zinc. Blue zinc ndi kanema wa zinc oxide wokhala ndi 0,5-0.6 mg / dm2 ya chromium. Nkhani yobiriwira imachitika chifukwa choti yankho la pasipoti lili ndi ma phosphate ions, ndipo filimu yobiriwira imapangidwa ndi mawu achilengedwe ndi phosphate.

Kutsutsa kwa Blue Zinc ndikwabwino kuposa unc, ndipo kukana kwa zinc Green ndikwabwino kuposa wa buluu.

Mtundu wa zinc ali ndi vuto labwino kwambiri. Njira yoperekera ma pasikidwe ndi: Gwervanated - kuyeretsa - 2% -3% Nitric acid Kuwala - kuyeretsa - kuyeretsa - kuphika - kuphika. Kutentha kochepa kwambiri pa passtivation kumabweretsa pang'onopang'ono mafilimu owonda ndi filimu yoonda. Kutentha kwakukulu kumapangitsa kuti filimuyo ikhale yotambasula komanso yotayirira, ndipo zotsatsa sizikhala zolimba. Ndi bwino kuwongolera madigiri 25 kuti muwonetsetse kuti mumapeza mtundu womwewo kwa nthawi yayitali. Pambuyo pa phewa, imayenera kuphikidwa kuti ithandize kukonza zitsamba ndi kukana kwa filimuyo.

Dandit

Dacromt ndi mtundu watsopano wa odana ndi zincrossion wokhala ndi ufa wa zinc, aluminiyamu ufa, a almomic acid, ndi madzi owonetsera ngati zigawo zikuluzikulu. Njira yoyenda ndi yopanda tanthauzo - kupukutira makina - kupopera mbewu - kuphika - kusefukira kwina - kuphika - kuwuma - kuwuma - kuwuma - kuyanika - kuwuma - kuyanika.

Ubwino wa ma dicromet njira yopukutira ndiyabwino kwambiri, koma zovuta ndichakuti zokutidwazo si yunifolomu.

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