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I-Dacromet Hex Socket Bolts: I-Anti-Corrosion Coating Ethuthukisiwe Ihlangana Nomklamo Wokuqinisa Ukunemba
2026-07-27
Amabhawodi e-Dacromet hex socket amele ukuhlangana kobuchwepheshe obubili bokuqiniswa okubalulekile: i-Dacromet high-performance anti-corrosion coating system kanye ne-cylindrical socket-head (Allen) bolt geometry. Ndawonye, baletha isixazululo se-fastener esimelana nezindawo ezigqwala kakhulu kuyilapho bevumela ukufakwa okunembayo kwetorque ephezulu, okubenza babaluleke kakhulu ezimotweni, zasolwandle, zokwakha, nemishini esindayo emhlabeni jikelele.
1. I-Dacromet Coating Technology
I-Dacromet iwuhlelo lokuphathelene lokuhlanganisa olusekelwe emanzini olwakhelwe ekuqaleni lwe-carbon nensimbi engagqwali. Ngokungafani ne-zinc evamile kagesi, i-Dacromet isebenzisa inqubo yamakhemikhali engenayo i-chromium (noma i-chromium ephansi) eyenza umgoqo oboshwe ngokuqinile wezendlalelo eziningi we-zinc namaflake e-aluminium. Umphumela uwukuphela okuhlukile kwesiliva-grey okuhlanganisa ukungathathi hlangothi kobuhle nokusebenza kokuvikela okukhethekile.
Izendlalelo ezintathu zisebenza ngokubambisana ukuze zinikeze ukuvikeleka okuphelele:
I-Zinc-aluminium flake base layer – inikeza isivikelo somhlatshelo (i-cathodic), i-corroding ngokukhethekile ukuze ivikele i-substrate yensimbi engaphansi, kuyilapho ama-aluminium flakes engeza ukuvikelwa kwesithiyo.
I-Passivation mid-layer – ifilimu ye-inorganic chromate/silicate evala ukwakheka kwe-metallic flake, ukumelana nesifutho sikasawoti, ukuhlaselwa kwamakhemikhali, nokushisa okungaphezu kwe-zinc plating evamile.
Ijazi le-organic seal ephezulu (ongakukhetha) – lithuthukisa ukusebenza kokuvimbela i-torque kanye nokumelana nesimo sezulu, kuyilapho likhiqiza ukubukeka oku-silver-grey okungaguquki okune-coefficient ephansi yokungqubuzana.
Ithebula 1. Ukuqhathaniswa Kokumelana Nokugqwala (Ukuhlolwa Kwesifutho Sosawoti, i-NSS)
| Uhlobo Lokumboza | Amahora Okufutha Kasawoti | Ubukhulu (μm) | Uhlelo lokusebenza olujwayelekile |
| I-Dacromet | ≥ 1,000 - 3,000 | 6 – 10 | Osolwandle / wezimoto |
| Ruspert | ≥ 1,000 - 3,000 | 3-5 | Ngaphandle / olwandle |
| Ukufakwa kwe-Zn-Ni ingxubevange | ≥ 720 - 1,000 | 8 – 12 | Ezezimoto |
| I-Zn Plating evamile | 96 – 240 | 5 – 8 | Ngasendlini / jikelele |
2. I-Hex Socket Bolts
Ama-bolts e-Hex socket, aziwa nangokuthi izikulufu ze-socket head cap noma ama-Allen bolts, afaka ikhanda eliyisilinda eline-hexagonal drive yangaphakathi. Le geometry ivumela ukudluliswa kwetorque ephakeme ngephrofayili yekhanda elincane uma kuqhathaniswa namabhawodi e-hex angaphandle, okuwenza alungele izinhlelo zokusebenza ezinokuvunyelwa okulinganiselwe noma lapho kudingeka khona ukubukeka okuhlanzekile nokuhlanzekile.
Izici eziyinhloko zedizayini zifaka:
Ikhanda eliyi-cylindrical eline-hex drive yangaphakathi – lamukela okhiye be-hex abajwayelekile bokufakwa kwe-torque ephezulu ne-head protrusion encane; osayizi bedrayivu bahambisana ne-ISO 2936 noma i-ASME B18.3.
Ukulutha okugcwele noma okuyingxenye – okuhlukile komucu ogcwele kusabalalisa umthwalo ngokulinganayo ngobude obubanjiwe; okuhlukile komucu oyingxenye kunikeza i-shank eqinile engafundiwe yezinhlelo zokusebenza zokugunda.
High-strength alloy steel (8.8 / 10.9 / 12.9) – amabanga aphethwe ukushisa aqinisekisa amandla aqinile afika ku-1,220 MPa, afanele imithwalo eguqukayo namajoyinti abalulekile.
I-Dacromet surface finish – ihlinzeka ≥ amahora angu-1,000 okuvikela isifutho sikasawoti ngaphandle kwe-hydrogen embrittlement, okuyenza ifanelekele izibophelelo ezinamandla lapho i-electroplating ingafaneleki.
Ithebula 2. Izicaciso Ezijwayelekile ze-Dacromet Hex Socket Bolt (Isigaba Sendawo 8.8)
| Usayizi | I-Tread Dia. (mm) | Ukuphakama Kwekhanda (mm) | Okuncane. I-Tensile (MPa) | Uhlelo lokusebenza olujwayelekile |
| M4 | 4 | 4 | 800 | Ama-elekthronikhi / izinsimbi |
| M5 | 5 | 5 | 800 | Umhlangano okhanyayo |
| M6 | 6 | 6 | 800 | Ifenisha / imishini |
| M8 | 8 | 8 | 800 | Imishini / yezimoto |
| M10 | 10 | 10 | 830 | Amalunga esakhiwo |
| M12 | 12 | 12 | 830 | Imishini enzima |
3. Isifinyezo
Amabhawodi e-Dacromet hex socket ahlanganisa ukumelana nokugqwala okuphakeme kwe-Dacromet inorganic coating system (efinyelela amahora ayi-1,000–3,000 okuvikela isifutho sikasawoti ngaphandle kokuhlanganisa i-hydrogen) ne-torque ephezulu, iphrofayili ephansi yebhawodi yesokhethi ye-hex. Lokhu kuhlanganiswa kuvumela ukuqiniswa okuthembekile ezindaweni ezidinga kakhulu - kusukela kuma-chassis nama-brake systems kuya ezakhiweni zasolwandle kanye nemishini yangaphandle - kuyilapho kugcinwa ukulawulwa kwe-torque okunembayo nokuqina kwesikhathi eside. Njengoba izimboni ziya ngokuya zifuna izigxivizo ezibhalansisa ukusebenza, ukuphepha, nokuphila isikhathi eside, amabhawodi e-Dacromet hex socket asephenduke into ekhethwayo konjiniyela nama-OEM emhlabeni jikelele.
