Hot-Dip Galvanizing vs. Dacromet Coating: Ndi Chitetezo Chotani Choyenera Kumangirira?

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 Hot-Dip Galvanizing vs. Dacromet Coating: Ndi Chitetezo Chotani Choyenera Kumangirira? 

2026-06-09

Posankha zomangira dzimbiri zosagwira - kaya mabawuti, zomangira, mtedza, ma washer, kapena zomangira - njira yokutira ndiyofunika kwambiri ngati maziko. Awiri mwa mankhwala omwe amagwiritsidwa ntchito kwambiri pamakampani opanga ma fastener ndi hot dip galvanizing (HDG) ndi Kupaka kwa Dacromet. Iliyonse imapereka chitetezo chodalirika cha dzimbiri, koma amasiyana kwambiri ndi magwiridwe antchito, mawonekedwe ogwiritsira ntchito, komanso mawonekedwe achilengedwe. Bukuli likuphwanya njira zonse ziwiri kuti athandize mainjiniya, oyang'anira zogula zinthu, ndi makontrakitala kusankha njira yoyenera.

1.Kodi Hot-Dip Galvanizing Ndi Chiyani?

Hot-dip galvanizing ndi njira yotsimikiziridwa yomwe zomangira zitsulo - monga ma bolt a hex, mabawuti a nangula, mtedza wa flange, ndi ndodo za ulusi - amamizidwa kwathunthu mumsamba wa zinki wosungunuka pafupifupi 450 °C (842 °F). Zinc zitsulo zimamangiriridwa pamwamba pa chitsulo, kupanga zokutira wandiweyani, wamitundu yambiri (nthawi zambiri). 45-85 μm) yomwe imakhala ngati chotchinga chakuthupi komanso ngati nsembe ya anode yolimbana ndi dzimbiri.

Ubwino waukulu wa zomangira za HDG:

Moyo wautali wautumiki: Moyo wautali wautumiki: zaka 20-70 m'malo ambiri akunja

Wokhuthala, wokhazikika zinki wosanjikiza Zinc wosanjikiza wokhazikika, wokhazikika, umalimbana ndi kuwonongeka kwamakina

Kuchita bwino kwambiri Kuchita bwino kwambiri pamagwiritsidwe am'madzi, zomangamanga, ndi zomangamanga

Chitetezo cha nsembe Chitetezo cha nsembe - zinki zimawononga chitsulo chisanachitike

Zotsika mtengo Zotsika mtengo zamaboliti akulu akulu ndi zomangira zomangira

2.Kodi Dacromet Coating ndi Chiyani?

Dacromet (yolembedwanso ngati Geomet kapena Dacrotized) ndi zokutira zokhala ndi madzi, zopanda chromate zopangidwa ndi zinki zazing'ono ndi ma aluminium flakes omwe amaimitsidwa mu binder ya inorganic. Zomangira, mabawuti, zomangira zamakina, zomangira zokha, ndipo zomangira zolondola zimakutidwa ndi dip-spin ndiyeno kuchiritsidwa pa 300 °C (572 °F). Kanema wotsatirayo ndi woonda kwambiri (8-12 μm) komabe imapereka kukana kwa dzimbiri - nthawi zambiri kumapitilira 720 maola mu mayeso opopera mchere osalowererapo (Chithunzi cha ASTM B117).

Ubwino waukulu wa zomangira za Dacromet:

Kupaka kwa Ultrathin Kupaka kwa Ultrathin - kumateteza zomangira zolimba pa zomangira zolondola ndi mabawuti

Palibe chiopsezo cha hydrogen embrittlement Palibe chiwopsezo cha hydrogen embrittlement - otetezeka ku mabawuti amphamvu kwambiri (Giredi 8.8, 10.9, 12.9)

Kuchita bwino kwambiri motsutsana ndi mchere wamsewu Kuchita bwino kwambiri polimbana ndi mchere wamsewu - zabwino zomangira zamagalimoto ndi zamakina

Kuphimba yunifolomu Kuphimba yunifolomu pa ma geometri ovuta: mabowo opangidwa ndi ulusi, zomangira zakhungu, zomangira zazing'ono

Wokonda zachilengedwe Wokonda zachilengedwe - RoHS imagwirizana, palibe chromium ya hexavalent

3.Kufananitsa Mbali ndi Mbali

Gome ili m'munsili likufotokozera mwachidule kusiyana kwakukulu pakati pa galvanizing yotentha-dip ndi zokutira za Dacromet zamitundu yojambulira wamba kuphatikiza ma bolt, zomangira, mtedza, mabawuti a nangula, ndi ndodo za ulusi.

Katundu Hot-Dip Galvanizing (HDG) Kupaka kwa Dacromet
Kupaka makulidwe 45-85 μm 8-12 μm
Kukaniza kwa Corrosion 20-70 zaka (kunja) >720h kutsitsi mchere (ASTM B117)
Kutentha kwa Njira ~450 °C (bafa losungunuka la zinki) ~ 300 ° C (chophika)
H₂ Chiwopsezo cha Embrittlement Zotheka (kutola asidi) Palibe
Dimensional Impact Zofunika (zokhuthala) Zochepa (zolondola-zotetezedwa)
Mapulogalamu Okhazikika Zomangamanga, anangula, ndodo, mtedza Zomangira zamagalimoto, mabawuti a M3-M20, magawo olondola
Maonekedwe Pamwamba Zowonongeka, zowonongeka za zinc Zosalala, matte silver-grey
Mbiri Yachilengedwe Zinc - recyclable RoHS imagwirizana, Cr(VI)-free
Zabwino Kwambiri Kumanga kolemera, zam'madzi, zomangamanga Magalimoto, makina, zamagetsi, OEM

4.Kusankha Chophimba Choyenera pa Ntchito Yanu Yopangira Fastener

Chisankho pakati pa HDG ndi Dacromet pamapeto pake chimadalira pazifukwa zitatu: malo ogwiritsira ntchito, kukula kwachangu ndi kalasi, ndi zofunikira zololera.

Sankhani Hot-Dip Galvanizing pamene:

Zomangamanga zitha kugwiritsidwa ntchito panja, m'madzi, kapena m'mafakitale olemera

Kutetezedwa kwa dzimbiri kwa nthawi yayitali (20+) kumafunika popanda kukonzanso

Zogulitsa zimaphatikizapo mabawuti akuluakulu (M16-M72), ma bolts, mtedza wa hex, kapena ma washer ophwathira.

Kukhazikika kwamakina pansi pa abrasion kapena kukhudzidwa ndikofunikira

Sankhani Dacromet Coating pamene:

Fastener giredi ndi 10.9, 12.9, kapena kupitilira apo - hydrogen embrittlement iyenera kupewedwa

Kulekerera kolimba ndikofunikira kwambiri (mwachitsanzo, zomata za metric, ma bolt amakina, zomangira zomangidwa)

Kugwiritsa ntchito komaliza kumaphatikizapo kukhudzana ndi mchere wochotsa icing mumsewu, mankhwala, kapena kugwedezeka kwamphamvu

Kutsatira kwa RoHS / ELV kumafunika (OEM yamagalimoto, msonkhano wamagetsi)

5.FUJINRUI: Gwero Lanu la Anti-Corrosion Fasteners

FUJINRUI Metal imagwira ntchito popanga zomangira zosagwira kutu pamisika yapadziko lonse lapansi. Zogulitsa zathu zikuphatikizapo otentha-kuviika malata mabawuti, Zomangira zokhala ndi dacromet, zomangira zitsulo zosapanga dzimbiri, ndi zinc-flake yokutidwa nangula mabawuti mu makulidwe kuchokera M6 ku M72. Zogulitsa zonse zimapangidwa motsatira ISO, DIN, ASTM, komanso miyezo yokhudzana ndi kasitomala.

Kaya mukufuna gulu laling'ono la zomata zolondola kapena kuchuluka kwakukulu ma bolts ndi mtedza wa hex pama projekiti a zomangamanga, gulu lathu limapereka chithandizo chonse chaukadaulo kuchokera pakusankha zinthu kudzera pamankhwala apamwamba, kuyang'anira, ndi kuyika kunja.

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