Black Oxide Coating vs. Phosphate Coating: Ho Khetha Metal e Nepahetseng Qetello
Ha u khetha mokhoa oa ho qeta tšepe, ho utloisisa phapang pakeng tsa Black Oxide le Phosphate Coatings ke habohlokoa. Ka bobeli li ntlafatsa ho hanyetsa kutu le ho tšoarella empa li fana ka lits'ebetso tse fapaneng. Ha re sekasekeng litšobotsing tsa bona, melemo le litšebeliso tse nepahetseng.
Ho roala ha oxide e ntšo
Tshebetso: Phekolo ea phetoho ea lik'hemik'hale e sebelisang motsoako oa alkaline (hangata o nang le selenium) mochesong o phahameng. E fetola bokaholimo ba tšepe hore e be magnetite (Fe₃O₄), e fellang ka botšo bo botsotho.
Lisebelisoa: E sebelisoa ho tšepe, tšepe e sa hloekang, koporo le zinki.
Melemo:
- Boipiletso ba Aesthetic: Qetello e ntšo ea matte e loketse lisebelisoa tse khabisitsoeng kapa lithunya.
- Botenya bo fokolang: E eketsa 0.5-1.5 microns, e boloka ho mamellana ho thata.
- Light Corrosion Resistance: E matlafalitsoe ka oli ea ka morao ho phekolo kapa boka.
- Khanya e fokotsehileng: E loketse lisebelisoa tsa optical kapa lisebelisoa tsa mahlale.
Litšitiso:
- Tšireletso e fokolang ea ho senya ntle le oli.
- Ha e tšoarelle haholo libakeng tse thata.
Lisebelisoa: Lisebelisoa tse nepahetseng, likarolo tsa lithunya, lisebelisoa tse khabisitsoeng.
Phoso ea Phosphate
Tshebetso:Tharollo ea asiti ea phosphating (zinki, manganese, kapa iron phosphate) e etsa lera le sa keneng la kristale holim'a tšepe.
Lisebelisoa:Haholo-holo e sebelisoa ka tšepe.
Melemo:
- Corrosion Resistance: E phahame ha e kenngoa ka oli; loketseng bakeng sa likoloi undercarriage.
- Pente Adhesion: E sebetsa e le setsi sa ho roala.
- Lubricity: E monya oli, e fokotsa khohlano ea lienjineri kapa mochini.
- Apara Resistance: Liaparo tse teteaneng (ho fihla ho li-microns tse 25) li mamella ho khojoa.
Litšitiso:
- Liphetoho tsa litekanyo ka lebaka la liphahlo tse teteaneng.
- Ponahalo ea bohlooho / e lefifi e nyane ho feta oxide e ntšo.
Lisebelisoa:Li-fasteners, likarolo tsa enjene, li-hydraulic system.
Papiso ea Bohlokoa
| Ntlha | Black oxide | Phoso ea Phosphate |
| Khanyetso ea Corrosion | E itekanetseng (e ntlafatsa ka oli) | E phahameng (haholo-holo ka oli) |
| Ponahalo | Uniform matte black | Bohlooho / lefifi, sebopeho sa kristale |
| Botenya | 0.5-1.5 li-microns (ha ho na phello ea boholo) | 5-25 microns (e ama mamello) |
| Litšenyehelo | E na le litšenyehelo bakeng sa likarolo tse nyane | Mefuta e fapaneng (zinki e theko e tlaase, manganese e theko e boima) |
| Ho tšoarella | Mokhabiso, tšireletso e bonolo | Ho apara ka holimo / mafura ka mechine e boima |
| Tikoloho | Lik'hemik'hale tse kotsi (selenium) | Phosphates e hloka phekolo ea metsi a litšila |
Ho Khetha Eng?
- Black Oxide: Khetha bakeng sa aesthetics, phetoho e fokolang ea boholo, kapa lisebelisoa tse khanyang tse tlaase (mohlala, lisebelisoa tsa meralo, lisebelisoa tse nepahetseng).
- Phosphate Coating: Beha pele ho hanyetsa kutu, ho khomarela pente, kapa ho tlotsa (mohlala, li-fasteners tsa likoloi, likarolo tsa enjene).
Liaparo ka bobeli li ipabola maemong a ikhethileng: Oxide e ntšo bakeng sa likarolo tse boreleli, tse bohlokoa haholo, le Phosphate bakeng sa lits'ebetso tse sebetsang, tse tšoarellang haholo. Nahana ka litlhoko tsa morero oa hau-chebahalo, ho pepeseha ha tikoloho, le litlhoko tsa mochine-ho etsa khetho e nepahetseng.
Feme ea rona e sebetsa ka ho khetheha ho hlahisa mefuta e mengata ea li-fasteners, e fanang ka litlhoko tse fapaneng tsa indasteri. Hape re fana ka likhetho tse fapaneng tsa kalafo ea holim'a metsi ho netefatsa boleng bo holimo le ho tšoarella ha lits'ebetso tsa hau. Ela hloko kakaretso ea ronalethathamo la lihlahisoawebosaeteng ea rona ho fumana mefuta e felletseng ea linyehelo tsa rona. Haeba u na le lipotso kapa u ka thabela qotso ea mahala, ea morao-rao, ka kopo u seke oa tsilatsila ho ikopanya le rona. Re mona ho u thusa ho fumana litharollo tse phethahetseng bakeng sa litlhoko tsa hau.
- Michelle
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