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I-Dacromet Flange Bolts-Anti-Corrosion Flange Fasteners ene-Zinc-Aluminium Flake Coating
2026-07-15
Amabhawodi e-Dacromet flange ahlanganisa umklamo wokusabalalisa umthwalo wekhanda le-flange nokuvikelwa kokugqwala okuphakeme kwe-zinc-aluminium flake coating. I-flange ebalulekile iqeda isidingo se-washer ehlukile, kuyilapho i-Dacromet enamathela iletha amahora angu-500-1,200 wokumelana nesifutho sikasawoti ngaphandle kwe-hydrogen embrittlement - okwenza lezi zibophelelo zilungele ukusetshenziswa kwezimoto, ukwakhiwa, kanye nezakhiwo zangaphandle.
Ingxenye 1 - I-Flange Bolt Uhlolojikelele
Iyini I-Flange Bolt?
Ibhawodi ye-flange iyibhawodi lekhanda le-hex eline-flange elihlanganisiwe elifana newashi phansi kwekhanda. I-flange isabalalisa umthwalo wokubopha endaweni ebanzi, inciphisa ukucindezela kwendawo ezintweni ezixhunyiwe futhi ivimbele ukulimala ezindaweni ezithambile noma ezipendiwe. Lokhu kuqeda isidingo sewasha eyisicaba ehlukile, ukwenza kube lula ukuhlanganisa kanye nokunciphisa ukubalwa kwengxenye.
Izici Eziyinhloko Zomklamo
Integral flange: Isabalalisa amandla okubamba endaweni enkulu kunekhanda elijwayelekile le-hex, inciphisa ukuthwala ingcindezi futhi ivimbele ukuhlehlisa phezulu.
Inketho ehlanganisiwe: I-sraterated flange iluma endaweni yokukhwelana, ihlinzeka ukumelana nokuxegiswa okwakhelwe ngaphakathi ngaphandle kwezingxenye zokukhiya ezengeziwe.
Ubukhulu obujwayelekile: Kwenziwe kwaba yi-DIN 6921, ISO 4162, noma i-GB/T 5787, iqinisekisa ukushintshana kuwo wonke amaketanga okunikezela emhlabeni.
Amabanga aphezulu: Itholakala ekilasini lesakhiwo 8.8 no-10.9, ilungele izinhlelo zokusebenza zesakhiwo nokuthwala umthwalo.
Imininingwane
| Ukucaciswa | Inani | Ukucaciswa | Inani |
| Okujwayelekile | I-DIN 6921 / ISO 4162 / GB/T 5787 | Uchungechunge | I-Metric M6 – M20 |
| Ikilasi Lempahla | 8.8 / 10.9 | Uhlobo Lwekhanda | I-Hex ene-flange ebalulekile |
| Ukugqoka | I-Dacromet (i-zinc-aluminium flake) | Ukuqina Kokunamathela | 4 – 10 µm |
| Isifutho sikasawoti | 500 – 1,200 amahora (ISO 9227) | Okubalulekile | Insimbi ye-Carbon / i-alloy steel |
| Inketho ehlanekezelwe | I-Serrated / non-serrated flange | Ezemvelo | I-Cr⁶⁺-mahhala, ithobela i-RoHS |
Ingxenye 2 - I-Dacromet Coating Technology
I-Dacromet (达克罗) iwukwelapha okusekwe emanzini, okungeyona i-electrolytic efaka ifilimu elincanyana le-zinc eligqagqene namaflake e-aluminium ahlanganiswe yizinhlanganisela ze-chromium ezingaphili. Isetshenziswa ngenqubo ye-dip-spin-cure, inikeza izendlalelo eziningi zokuvikela ukugqwala ngaphandle kokwethula i-hydrogen ensimbi — inzuzo ebalulekile yezibophelelo zamandla aphezulu.
I-Corrosion Protection Mechanism
Ukuvikelwa komhlatshelo: Ama-zinc flakes agqwala ngokukhethekile ukuze avikele i-substrate yensimbi, noma ngabe ukunamathela kuklwetshiwe.
Isithiyo esingokomzimba: Ama-zinc-aluminium flakes agqagqene adala indlela ehlukumezayo evimba umswakama, umoya-mpilo, nama-ion abolayo.
I-Chemical passivation: Izinhlanganisela ze-Chromium zakha isendlalelo esingenzi lutho esibambezela ukuncibilika kwe-zinc futhi sihlinzeke ngokuziphulukisa kuma-micro-scratches.
Izinzuzo ezibalulekile ze-Flange Bolts
Ayikho i-hydrogen embrittlement: Inqubo engeyona eye-electrolytic — iphephile kumabhawodi e-flange anamandla aphezulu eBanga lesi-8.8–10.9 lapho i-electroplating ikhawulelwe.
Mncane & umfaniswano: I-4–10 µm yokunamathela igcina ukulingana kwentambo kanye nejometri ye-flange. Akukho ukuthepha kabusha amantongomane okudingekayo.
500-1,200 amahora isifutho sikasawoti: Izikhathi ezi-5-10 ezingcono kune-zinc plating evamile, efanelekile ukuchayeka ngaphandle isikhathi eside.
Ukumelana nokushisa: Imelana nesevisi eqhubekayo efika ku-250°C — ilungele i-engine bay kanye nezixhumi eziseduze kwe-exhaust.
Ukuthobela imvelo: I-Cr⁶⁺-free, i-RoHS ne-REACH iyathobelana.
I-Coating Comparison
| Impahla | I-Dacromet | I-Zinc Plating | I-Hot-Dip Galv. |
| Isifutho sikasawoti (amahora) | 500 - 1,200 | 96 – 240 | 300 - 1,000 |
| I-Hydrogen Embrittlement | Lutho | Ubungozi (Gr. 10.9+) | Lutho |
| Ubukhulu | 4 – 10 µm | 5 – 25µm | 45 - 85 µm |
| I-Thread Fit Impact | Okuncane | Phansi | Okubalulekile |
| Ukumelana Nokushisa | 250°C | 200°C | 250°C |
| Ukubukeka | Silver-grey, matte | Okuluhlaza okwesibhakabhaka | Igqamile / i-spangled |
Isifutho sikasawoti ngokwe-ISO 9227 NSS. Ingozi ye-hydrogen embrittlement isebenza kuzixhumi ezifakwe ugesi zeBanga 10.9 nangaphezulu.
Isifinyezo
I-Dacromet flange bolts inikeza inhlanganisela ephoqelelayo yokusebenza kahle kwemishini nokuvikela ukugqwala. I-flange ebalulekile yenza kube lula ukuhlangana ngenkathi isakaza umthwalo ngokulinganayo, futhi i-Dacromet zinc-aluminium flake coating iletha amahora angama-500-1,200 okumelana nesifutho sikasawoti ngaphandle kokufakwa kwe-hydrogen. Lezi zibophelelo zisetshenziswa kakhulu kwezezimoto, zokwakha, amandla omoya, nezinhlelo zokusebenza zasolwandle lapho kokubili ukusebenza okuthembekile kokubopha kanye nokuqina kwesikhathi eside kubalulekile.
