
2026-06-09
Ha u khetha li-fasteners tse manganga - hore na liboutu, likurufu, linate, liwasha kapa lithupa - mokhoa oa ho roala o bohlokoa joalo ka thepa ea motheo. Tse peli tsa mekhoa ea phekolo e sebelisoang ka ho fetisisa ea holim'a metsi indastering ea fasteners ke hot-dip galvanizing (HDG) le Ho roala ka Dacromet. E 'ngoe le e' ngoe e fana ka tšireletso e tšepahalang ea mafome, empa e fapana haholo ka ts'ebetso, mefuta ea ts'ebeliso, le boemo ba tikoloho. Tataiso ena e arola lits'ebetso ka bobeli ho thusa baenjiniere, batsamaisi ba thepa le borakonteraka ho khetha tharollo e nepahetseng.
Hot-dip galvanizing ke ts'ebetso e netefalitsoeng eo li-fasteners tsa tšepe - joalo ka liboutu tsa hex, liboutu tsa ankora, linate tsa flange, le likhoele tse khoele - ba qoelisoa ka botlalo ka bateng ea zinki e qhibilihisitsoeng hoo e ka bang 450 °C (842 °F). Zinc metallurgically e tlama holim'a tšepe, e etsa seaparo se teteaneng se nang le mefuta e mengata (hangata. 45–85µm) e sebetsang e le tšitiso ea 'mele le anode ea sehlabelo khahlanong le ho bola.
Melemo ea bohlokoa ea li-fasteners tsa HDG:
Bophelo bo bolelele ba tšebeletso: Bophelo bo bolelele ba ts'ebeletso: lilemo tse 20-70 libakeng tse ngata tsa kantle
Lera le letenya, le tšoarellang la zinki Lera le letenya, le tšoarellang la zinki le mamella tšenyo ea mochini
Tshebetso e babatsehang Ts'ebetso e ntle haholo lits'ebetsong tsa likepe, tsa kaho le tsa meaho
Tšireletso ea sehlabelo Tšireletso ea sehlabelo - zinki e senya pele tšepe e etsa joalo
E boloka chelete E na le litšenyehelo tse ngata bakeng sa liboutu tse kholo le li-fasteners tsa sebopeho
Dacromet (eo hape e ngotsoeng e le Geomet kapa Dacrotized) ke seaparo se thehiloeng metsing, se se nang chromate se entsoeng ka microscopic zinki le li-flakes tsa aluminium tse emisitsoeng ka har'a setlamo sa inorganic. Likurufu, liboutu, likurufu tsa mochini, likurufu tsa ho itšebetsa, 'me li-fasteners tse nepahetseng li koahetsoe ka dip-spin ebe li phekoloa ka 300 °C (572 °F). Filimi e hlahisoang e tšesaane haholo (8–12 µm) empa e fana ka khanyetso e ikhethang ea kutu - hangata e feta Lihora tse 720 litekong tse sa nke lehlakore tsa letsoai (ASTM B117).
Melemo ea bohlokoa ea li-fasteners tse koahetsoeng ka Dacromet:
Ho roala ha Ultrathin Ho roala ka Ultrathin - ho boloka mamello e tiileng holim'a likurufu tse nepahetseng le liboutu
Ha ho kotsi ea hydrogen embrittlement Ha ho kotsi ea hydrogen embrittlement - e bolokehile bakeng sa liboutu tse matla haholo (Kereiti ea 8.8, 10.9, 12.9)
Ts'ebetso e ntle haholo khahlanong le matsoai a litsela Ts'ebetso e ntle haholo khahlano le matsoai a litsela - e loketseng li-fasteners tsa likoloi le tsa mochini
Tšireletso e tšoanang Ho koaheloa ka mokhoa o tšoanang ho li-geometri tse rarahaneng: masoba a khoele, li-fasteners tse foufetseng, li-screws tse nyenyane
Ho baballa tikoloho E na le tikoloho - e lumellana le RoHS, ha e na chromium e nang le hexavalent
Tafole e ka tlase e akaretsa liphapang tse kholo lipakeng tsa hot-dip galvanizing le Dacromet coating bakeng sa mefuta e tloaelehileng ea fasteners ho kenyeletsoa liboutu, li-screws, linate, liboutu tsa ankora le likhoele tse khole.
| Thepa | Hot-Dip Galvanizing (HDG) | Ho roala ha Dacromet |
| Botenya ba ho roala | 45–85µm | 8–12 µm |
| Khanyetso ea Corrosion | 20-70 lilemo (ka ntle) | >720 h setlolo sa letsoai (ASTM B117) |
| Mocheso oa Ts'ebetso | ~450 °C (bate e qhibilihisitsoeng ea zinki) | ~300 °C (sebone sa ho pheha) |
| H₂ Kotsi ea Embrittlement | Ho ka etsahala (ho khetha asiti) | Ha ho letho |
| Dimensional Impact | Bohlokoa (botenya) | Nyenyane (e nepahetseng-e bolokehileng) |
| Lisebelisoa tse Tloaelehileng | Liboutu tsa sebopeho, liankora, melamu, linate | Li-screws tsa likoloi, liboutu tsa M3–M20, likarolo tse nepahetseng |
| Ponahalo ya Sefahleho | Qetello e thata, e nang le zinki e arohaneng | Boreleli, matte silevera-grey |
| Boemo ba Tikoloho | Zinc - e ka sebelisoa hape | RoHS e lumellana, Cr(VI)-mahala |
| Molemo ka ho fetisisa Bakeng sa | Kaho e boima, marine, meaho | Likoloi, mechini, lisebelisoa tsa elektroniki, OEM |
Qeto lipakeng tsa HDG le Dacromet qetellong e ipapisitse le lintlha tse tharo: tikoloho ea ts'ebeliso, boholo ba sekhahla le maemo, le litlhoko tsa mamello ea boholo.
Khetha Hot-Dip Galvanizing ha:
Li-fasteners li tla sebelisoa libakeng tse ka ntle, tsa leoatleng kapa tse boima tsa indasteri
Tšireletso ea nako e telele (ea lilemo tse 20+) e hlokahalang ntle le ho tsosolosa
Lihlahisoa li kenyelletsa liboutu tse kholo tsa sebopeho (M16–M72), liboutu tsa ankora, linate tsa hex, kapa li-washer tse bataletseng.
Ho tšoarella ha mochini tlas'a abrasion kapa tšusumetso ke ntho e tlang pele
Khetha seaparo sa Dacromet ha:
Fastener grade ke 10.9, 12.9, kapa ho feta - embrittlement hydrogen e tlameha ho qojoa
Ho mamellana ho bohlokoa haholo (mohlala, li-screw tsa metric, liboutu tsa mochini, li-fasteners tse koetsoeng)
Tšebeliso ea ho qetela e kenyelletsa ho pepesetsoa matsoai a de-icing, lik'hemik'hale, kapa ho thothomela ha maqhubu a phahameng.
Ho hlokahala ho latela RoHS / ELV (OEM ea likoloi, kopano ea lisebelisoa tsa elektroniki)
FUJINRUI Metal e sebetsa ka ho khetheha ho li-fasteners tse sa jeng bakeng sa mebaraka ea kantle ho naha. Lihlahisoa tsa rona li kenyelletsa liboutu tse entsoeng ka masenke a chesang, Li-screws tse koahetsoeng ka Dacromet, li-fasteners tsa tšepe e sa hloekang, le liboutu tsa ankora tse koahetsoeng ka zinc-flake ka boholo ho tloha M6 ho M72. Lihlahisoa tsohle li entsoe ho latela maemo a ISO, DIN, ASTM, le litekanyetso tse ikhethileng tsa bareki.
Hore na o hloka batch e nyane ea ho nepahala metric screws kapa molumo o moholo liboutu tsa sebopeho le linate tsa hex bakeng sa merero ea meralo ea motheo, sehlopha sa rona se fana ka tšehetso e felletseng ea tekheniki ho tsoa khethong ea thepa ka kalafo e holimo, tlhahlobo, le ho paka kantle ho naha.