Kutheni i-zinc plating ingakhuthazwa kwiibholiti eziphezulu? Yaye zeziphi ezinye iindlela ezinokusetyenziswa endaweni yoko? Ukukhusela iibholithi kunye nezikrufu kumhlwa ngaphandle kokubeka esichengeni amandla okanye ukhuseleko.

2026-05-12

Xa iinjineli zichaza iibholiti eziphezulu (IBakala 10.9, 12.9, okanye i-ASTM A325/A490 elinganayo) yoqhagamshelwano lwezakhiwo, balindele ukusebenza okuphezulu komthwalo. Kodwa xa ukhuseleko lomhlwa luyimfuneko, ithuku elingagqibekanga lihlala licacisa ngokulula i-zinc galvanizing. Olo khetho lunokuba yingozi.

Ingxaki yinto ebizwa ngokuba yi-phenomenon i-hydrogen embrittlement -imowudi yokungaphumeleli okuthe cwaka enokubangela ukuba iibholiti ziqhekeke ngaphandle kwesilumkiso, iintsuku okanye iiveki emva kofakelo. Nantsi into ekufuneka uyazi, kwaye yeyiphi izisombululo zokunqanda ukubola zikhuselekile kwi-high-tensile iziqhoboshi.

Ingozi efihliweyo: iHydrogen Embrittlement

Ngexesha le inkqubo electroplating, i-athom ye-hydrogen iveliswa njenge-byproduct. Xa iibholiti ezinamandla okuqina ngaphezulu kwe-1,000 MPa (ubunzima> 320 HV) zifunxa le haidrojeni kwilathisi yazo yentsimbi, umphumo uba kukulahleka kokudumba. Ibholithi inokudlula lonke uvavanyo lomgangatho, itorque ngokuchanekileyo kwindawo, emva koko ukusilela ngokukhawuleza phantsi komthwalo oqhelekileyo.

Oku kulibaziseka kokusilela - kunye ne-zero deformation yeplastiki kwaye akukho silumkiso sibonakalayo - kwenza i-hydrogen embrittlement ibe yenye yezona zingozi ezifihlakeleyo kubunjineli bezakhiwo. Kuba izikrufu zentloko yesokhethi, iibholiti zehex, kunye nezinye ezikumgangatho ophezulu iziqhoboshi isetyenziswe kwizicelo ezibalulekileyo zokhuseleko (iibhulorho, iiinjini zomoya, ukumiswa kweemoto), iziphumo zinokuba yintlekele.

Inyaniso ePhambili: Kwanokubhaka kwasemva kokufakwa (i-hydrogen embrittlement relief) ayinakuqinisekisa ukususwa okupheleleyo kwe-hydrogen kwiBanga le-10.9 kunye ne-12.9. Umngcipheko awuze wehle uye kuthi ga kwiqanda.

IGalavanizing Umngcipheko ngeBanga leBolt

IBanga leBolt	Amandla Okuqina	HE Umngcipheko	Ingcebiso
8.8	800 MPa	Phantsi	Ukugalela kwamkelekile
10.9	1,000 MPa	Phezulu	Sebenzisa i-zinc flake coating
12.9	1,200 MPa	Okubalulekileyo	I-zinc flake okanye insimbi engenasici

I-Hot-dip galvanizing ithwala umngcipheko ophantsi we-hydrogen kune-electroplating, kodwa i-asidi yokuchola unyango lwangaphambili isazisa i-hydrogen. Kwizicelo zokhuseleko oluphezulu, ayilolona khetho lufanelekileyo.

IiNdlela eziKhuselekileyo zokuLwa nokuMhlwa

Ngoko ukhusela njani iibholiti eziphezulu kwaye izikrufu ukusuka kumhlwa xa igalvanizing isusiwe etafileni? Nazi ezinye iindlela eziqinisekisiweyo:

I-Zinc Flake Coating (Dacromet / Geomet)

Ukusetyenziswa ngoomatshini - akukho bath acid, akukho electrolysis, zero hydrogen isizukulwana. Ihambisa iiyure ezingama-600–1,000+ zokuxhathisa isitshizi setyuwa. Ilungele iBanga le-10.9 kunye ne-12.9 iibholithi, izikrufu, kunye nezikhonkwane.

Eyona Yokhetho

I-Mechanical Zinc Plating

I-cold-welds i-zinc particles kwi-fastener surface ngaphandle kombane wombane. Akukho mngcipheko we-hydrogen, ofanelekileyo kwi-hex bolts ephezulu kunye namantongomane.

Akukho Mngcipheko weHydrojeni

Iziqhoboshi zeNtsimbi engatyiwa

I-A316 okanye i-A4 (316) iibholiti zentsimbi engatyiwayo kunye nezikrufu zinika ukuxhathisa okungokwemvelo. Eyona nto ingcono kulwandle, iikhemikhali, kunye neendawo ezingaphandle.

Isisombululo sePremium

PTFE / Fluoropolymer Coating

Ibonelela ngokumelana neekhemikhali ezibalaseleyo kunye nokukhuhlana okuphantsi. Ihlala idityaniswa ne-zinc underlayer yokhuseleko oluphuculweyo lokutya kwizibophelelo zemizi-mveliso.

Ukusetyenziswa okukhethekileyo

“I-anti-corrosion coating efanelekileyo ikhusela utyalo-mali lwakho. Ongalunganga unokutshabalalisa.”

- Iqela lobuNjineli beFUJINRUI

Ukukhetha Isisombululo Esifanelekileyo

Xa ukhetha i unyango lokunqanda ukubola yakho iziqhoboshi, qwalasela ezi nkalo:

IBanga leBolt— IBanga lesi-8.8 nangaphantsi linokusebenzisa igalvanizing ngokubanzi. Kwi-10.9 nangaphezulu, hlala ukhetha i-zinc flake okanye insimbi engenasici.
Okusingqongileyo- Imozulu yaselwandle neyemizi-mveliso ifuna iiyure zokutshiza ngetyuwa eninzi. Ukwaleka kweGeometkwaye iibholiti zentsimbi bagqwese apha.
Isicelo-Iimoto, amandla omoya, kunye noqhagamshelo lwentsimbi yolwakhiwo lufuna umngcipheko we-hydrogen. I-Mechanical Plating kunye neenkqubo ze-zinc flake zisemgangathweni.
Iindleko vs. Ukusebenza-Ii-zinc flake coatings (i-Dacromet, iGeomet) inikezela ngeyona ndlela ilungileyo yokuxhathisa ukubola, ukhuseleko lwe-hydrogen, kunye neendleko kuninzi isiqhoboshi esinzimaizicelo.

Oku kuthetha ukuthini ekuFumaneni

Kumaqela okukhangela kunye neenjineli zeprojekthi, into ethathwayo icacile: Ungaze ugqibeke kwi-galvanizing kwiziqhoboshi zokuqina. Soloko ukhankanya ibakala lebholithi kunye nemeko-bume yomhlwa, kwaye usebenze neyakho umenzi we-fastener ukukhetha inkqubo yokwaleka ephelisa umngcipheko we-hydrogen embrittlement.

Nge FUJINRUI, siyayenza iibholiti zokunqanda ukubola, izikrufu, kwaye izibophelelo zesiko ngeDacromet, Geomet, zinc mechanical, and PTFE coatings — elungiselelwe isicelo sakho kunye neemfuno zokusingqongileyo. Ibhetshi nganye ivavanyelwa ukomelela koomatshini kunye nokuxhathisa ukubola ngaphambi kokuthunyelwa.

─── ◆ ───

Ngaba ufuna iiFasteners eziAnti-Corrosion?

Fumana ingcebiso yokwambathisa yasimahla kunye nesicatshulwa seprojekthi yakho. Iinjineli zethu ziphendula kwiiyure ezingama-24.

QHAGAMSHELANA NEQELA LETHU

Ngaphambili. Okulandelayo.

Iindaba zamva nje