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Iibholiti ze-Dacromet Hex Socket: I-Anti-Corrosion Coating ekwinqanaba eliphezulu idibana noYilo lokuQinisa oluchanekileyo
2026-07-27
I-Dacromet hex bolts socket bolts imele ukuguqulwa kweetekhnoloji ezimbini ezibalulekileyo ze-fastener: i-Dacromet i-high-performance anti-corrosion coating system kunye ne-cylindrical socket-head (Allen) bolt geometry. Ngokudibeneyo, bazisa isisombululo esikhawulezayo esimelana nemekobume eyingozi kakhulu ngelixa bevumela ukufakelwa kwetorque ephezulu, kubenza babaluleke kakhulu kwiimoto, zaselwandle, ekwakhiweni, nakwizicelo zoomatshini abanzima kwihlabathi liphela.
1. I-Dacromet Coating Technology
I-Dacromet yinkqubo yokwambathisa esekwe emanzini esekwe kwindalo eyaphuhliswa kwikhabhoni kunye neziqhoboshi zentsimbi. Ngokungafaniyo ne-zinc eqhelekileyo ye-electroplated, i-Dacromet isebenzisa inkqubo yeekhemikhali ezingenayo i-chromium (okanye i-chromium ephantsi) eyenza umqobo oqinileyo we-multi-layer barrier ye-zinc kunye ne-aluminium flakes. Isiphumo sisiphumo esikhethekileyo sesilivere-ngwevu esidibanisa ukungathathi hlangothi kobuhle kunye nokusebenza okukhethekileyo kokukhusela.
Amaleko amathathu asebenza ngokubambisana ukunika ukhuseleko olubanzi:
I-Zinc-aluminiyam ye-flake base layer – ibonelela ngokhuseleko lombingelelo (cathodic), i-corroding ekhethwayo ukukhusela i-substrate yentsimbi engaphantsi, ngelixa iiflake ze-aluminiyam zongeza ukhuseleko lomqobo.
I-Passivation mid-layer – ifilimu ye-inorganic chromate/silicate etywina ulwakhiwo lwe-metallic flake, ukumelana nokutshizwa kwetyuwa, uhlaselo lwekhemikhali, kunye nobushushu ngaphaya kwe-zinc plating.
Idyasi yetywina ephezulu (ukhetho) – iphucula ukusebenza kothintelo lwetorque kunye nokumelana nemozulu, ngelixa ivelisa inkangeleko yesilivere-ngwevu engatshintshiyo kunye ne-coefficient ephantsi yokukhuhlana.
ITheyibhile 1. Uthelekiso loKuchasa ukuNxulumana (Uvavanyo lwesitshizi setyuwa, i-NSS)
| Uhlobo lokugquma | Iiyure zokutshiza ityuwa | Ukutyeba (μm) | Usetyenziso oluqhelekileyo |
| Dacromet | ≥ 1,000 - 3,000 | 6 – 10 | Ezolwandle / iimoto |
| Ruspert | ≥ 1,000 - 3,000 | 3 – 5 | Ngaphandle / elwandle |
| Zn-Ni ingxubevange yokucwenga | ≥ 720 - 1,000 | 8 – 12 | Iimoto |
| Ukucwenga kweZn okuqhelekileyo | 96 – 240 | 5 – 8 | Ngaphakathi / jikelele |
2. Iibholiti zeHex
Iibholiti ze-hex socket, ezikwabizwa ngokuba zizikrufu zentloko yesokethi okanye iibholiti zika-Allen, zinentloko yesilinda ene-hexagonal drive yangaphakathi. Le geometry ivumela ukuhanjiswa kwe-torque ephezulu kunye neprofayili encinci yentloko xa kuthelekiswa neebholiti ze-hex zangaphandle, zizenza zilungele usetyenziso olunemvume elinganiselweyo okanye apho kufuneka imbonakalo egungxulwayo, ecocekileyo.
Iimpawu eziphambili zoyilo ziquka:
Intloko eyi-Cylindrical ene-hex drive yangaphakathi – yamkela izitshixo ze-hex eziqhelekileyo zofakelo lwe-torque ephezulu kunye nentloko encinci yeprotrusion; iisayizi zokuqhuba zihambelana ne-ISO 2936 okanye i-ASME B18.3.
Ukuthunga okugcweleyo okanye okungaphelelanga – ukwahluka kwemisonto epheleleyo kusasaza umthwalo ngokulinganayo kubude obubandakanyiweyo; ukwahluka kwemisonto engagqibelelanga kubonelela ngeshanki eyomeleleyo engafundwanga kwizicelo zokucheba.
Intsimbi ye-alloy yamandla aphezulu (8.8 / 10.9 / 12.9) - amabakala aphethwe ngubushushu aqinisekisa amandla okuqina ukuya kuthi ga kwi-1,220 MPa, ilungele imithwalo eguquguqukayo kunye namalungu abalulekileyo.
I-Dacromet surface finish – ibonelela ≥ 1,000 iiyure zokhuseleko lwesitshizi setyuwa ngaphandle kwe-hydrogen embrittlement, iyenza ilungele iziqhoboshi zokuqina apho i-electroplating ingafanelekanga.
Itheyibhile 2. Iinkcazo eziqhelekileyo ze-Dacromet Hex Socket Bolt (Udidi lwePropati 8.8)
| Ubungakanani | Umsonto Dia. (mm) | Umphakamo weNtloko (mm) | Min. I-Tensile (MPa) | Usetyenziso oluqhelekileyo |
| M4 | 4 | 4 | 800 | I-Electronics / izixhobo |
| M5 | 5 | 5 | 800 | Indibano yokukhanya |
| M6 | 6 | 6 | 800 | Ifenitshala / oomatshini |
| M8 | 8 | 8 | 800 | Oomatshini / iimoto |
| M10 | 10 | 10 | 830 | Amalungu esakhiwo |
| M12 | 12 | 12 | 830 | Oomatshini abanzima |
3. Isishwankathelo
I-Dacromet hex bolts socket bolts idibanisa ukuxhathisa kwe-corrosion ephezulu ye-Dacromet ye-inorganic coating system (ukufikelela kwiiyure ze-1,000-3,000 zokukhusela ityuwa-spray ngaphandle kwe-hydrogen embrittlement) kunye ne-torque ephezulu, i-design-profile ephantsi ye-hex socket bolt. Oku kudityaniswa kuvumela ukuqina okuthembekileyo kwiindawo ezifunwayo - ukusuka kwi-chassis kunye ne-brake systems ukuya kwizakhiwo zaselwandle kunye nezixhobo zangaphandle - ngelixa ugcina ulawulo lwe-torque oluchanekileyo kunye nokuqina kwexesha elide. Njengoko imizi-mveliso isiya ifuna iziqinisekiso ezisebenza ngokulinganayo, ukhuseleko, kunye nobomi obude, iibholiti ze-Dacromet hex socket bolt ziye zaba lukhetho olukhethwayo lweenjineli kunye nee-OEM kwihlabathi liphela.
