
2026-08-08
Dacromet-dahaarka dahaarka hex socket bolts waxay ka dhigan yihiin xal-xirfadeed heersare ah oo isku daraya laba teknooloji oo muhiim ah: nidaamka dahaadhka sare ee Dacromet iyo naqshadaynta saxda ah ee cylindrical head hex socket (Allen). Dhalooyinkan waxaa si weyn loogu isticmaalaa baabuurta, dhismaha, badda, iyo codsiyada warshadaha halkaas oo iska caabin ah daxalka sare iyo wareejinta la isku halayn karo ay yihiin shuruudaha muhiimka ah.
Hagahaan farsamo wuxuu bixiyaa baaritaan qoto dheer oo ku saabsan labadaba tikniyoolajiyadda daahan Dacromet iyo naqshadeynta qaabdhismeedka xargaha godadka hex cylindrical head, oo daboolaya ka kooban walxaha, hababka wax soo saarka, sifooyinka waxqabadka, iyo codsiyada la taaban karo.
Dacromet waa tignoolajiyada dahaarka ka-hortagga daxalka ee deegaanka u wanaagsan, horumarsan oo loo sameeyay beddelka casriga ah ee koronto-samaynta dhaqameed. Waa nidaam daahan biyo-ku-salaysan, oo aan-electrolytic-ka ahayn oo ka kooban ultrafine zinc iyo flakes aluminium oo isku xidhan iyada oo loo marayo habka beddelidda chromate. Dahaarka waxaa lagu dabaqaa hababka lagu buufiyo ama lagu buufiyo waxaana lagu daaweeyaa heerkul ku dhow 300°C, taasoo samaynaysa filim difaac cufan oo lakabyo badan leh oo ka samaysan substrate-ka birta ah.
Dahaarka Dacromet wuxuu ka kooban yahay dhowr qaybood oo muhiim ah oo si isku mid ah u shaqeeya si ay u bixiyaan ilaalinta daxalka ee gaarka ah:
Jeexitaanka Zinc (20-30%): Sii ilaalinta allabaryo (cathodic) substrate-ka birta
Jilicyada aluminiumka (10-15%): Kor u qaad ilaalinta xannibaadaha iyo caabbinta kulaylka
Xireeyaha Chromate: Wuxuu sameeyaa lakab beddelaad wareeg ah oo daboolaya daahan
Baabuurka dareeraha dabiiciga ah: Wuxuu sitaa qaybaha adag inta lagu jiro codsiga
Jadwalka soo socdaa wuxuu isbarbar dhigayaa Dacromet iyo tignoolajiyada dahaarka caadiga ah:
| Hanti | Dacromet | Dajinta Zinc | Galvanizing Kulul-Dip |
| Iska caabinta milixda | 1,000-3,000 saacadood | 96-240 saacadood | 500-1,000 saacadood |
| Embrittlement Hydrogen | Midna | Khatar (sare) | Khatar hoose |
| Dhumucda dahaarka | 5-20 µm | 5-15 µm | 50-120 µm |
| Iska caabinta kulaylka | Ilaa 300°C | Ilaa 200 ° C | Ilaa 250°C |
| Saamaynta Deegaanka | Hoose (doorashooyinka bilaashka ah CR) | Dhexdhexaad (CN, Cr6+) | Dhexdhexaad |
| Xadhkaha Fiican | heer sare ah (jaakad khafiif ah) | Wacan | Waxa laga yaabaa inay u baahato garaacid xad-dhaaf ah |
Shaxda 1. Sifooyinka isbarbardhigga ee Dacromet vs. plating zinc iyo galvanizing-kulul
Xirmada godka xayndaabka hex socket bolt, oo badanaa lagu tixraaco DIN 912 (ISO 4762), wuxuu leeyahay madaxa cylindrical (button) oo leh barkin lix geesood ah (Allen) darawalnimada. Naqshadani waxay bixisaa faa'iidooyin dhismeed oo dhowr ah marka loo eego biraha madaxa hex ee caadiga ah:
Naqshad hoose oo madax ah: Madaxa cylindrical wuxuu u fadhiyaa si fiican ama wax yar ka hooseeya oogada, taasoo ka dhigaysa mid ku habboon shirarka is haysta ee nadiifinta xaddidan.
Hex Drive-ka Gudaha: Socket-ka hex-ku wuxuu ogolaanayaa in torque laga mariyo madaxa dhexdiisa, taasoo yaraynaysa khatarta ah in la iska siibo oo awood u siinaya xoog isku dhejis ah oo sarreeya.
Dusha sare ee debedda ee jilicsan: Maqnaanshaha guryaha hex dibadda ah waxay ka hortagtaa faragelinta qaybaha ku xiga waxayna hagaajinaysaa muuqaalka bilicda.
Qaybinta walwalka isku midka ah: Joomatari madaxa cylindrical wuxuu si siman u qaybiyaa culeyska isku dhejinta ee aagga xiriirka, isagoo yareynaya uruurinta walaaca gudaha.
Jadwalka hoose wuxuu taxayaa cabbirrada cabbirrada muhiimka ah ee cabbirrada mitirka ee inta badan la isticmaalo:
| Xajmiga xadhigga | Madaxa Dia. (dk) | Dhererka madaxa (k) | Hex Socket (-yada) | Xooga Jilicsan (12.9) |
| M3 | 5.50 mm | 3.00 mm | 2.50 mm | 1,220 MPa |
| M4 | 7.00 mm | 4.00 mm | 3.00 mm | 1,220 MPa |
| M5 | 8.50 mm | 5.00 mm | 4.00 mm | 1,220 MPa |
| M6 | 10.00 mm | 6.00 mm | 5.00 mm | 1,220 MPa |
| M8 | 13.00 mm | 8.00 mm | 6.00 mm | 1,220 MPa |
Shaxda 2. Cabbirrada caadiga ah ee xargaha godka cylindrical madaxa hex (DIN 912 / ISO 4762)
Dacromet-dahaarka godka hex-ga ayaa si weyn looga isticmaalo warshadaha kala duwan sababtoo ah isku darka gaarka ah ee caabbinta daxalka iyo isku halaynta farsamada:
Gawaadhida: Isku imaatinka mishiinka, qaybaha chassis-ka, nidaamyada biriiga, iyo dabaylaha jidhka halkaasoo ilaalinta daxalka muddada-dheer ay lama huraan tahay.
Dhismaha iyo kaabayaasha: Isku xirka qaabka birta ah, nidaamyada gidaarka daahyada, iyo shirarka qaab dhismeedka bannaanka ee soo gaadhay cimilo adag.
Badda iyo badda: Qalab iyo dhismayaal ku xiran soo-gaadhista biyaha cusbada, halkaas oo dahaarka caadiga ahi si degdeg ah u fashilmaan.
Tareenka Tareenka iyo Dabaysha: Deegaan gariir sare leh oo u baahan labadaba xidhid sugan iyo ilaalinta dusha sare.
Xeryaha korantada iyo elektiroonigga ah: armaajooyinka bannaanka iyo guryaha qalabka u baahan xirmooyin aan shaqaynayn, daxalka u adkaysta.
| Faa'iidooyinka dahaarka Dacromet | Faa'iidooyinka Naqshadeynta Hex Socket |
| • Caabbinta buufinta milixdu sareeyso (1,000-3,000 saacadood) | • Awood xoog leh oo ka sarraysa marka loo eego kuwa la jeexjeexay ama Phillips |
| • Halista dhalmada hydrogen-ka eber | • Madax heersare ah oo loogu talagalay shirarka is haysta |
| dhuuban, dahaar labis ah ayaa ilaaliya daacadnimada dunta | • Madaxa bannaanka debecsan waxa ay ka hortagtaa xasadka iyo faragelinta |
| • Iska caabbinta kiimikada iyo UV heer sare ah | • Baabuurka dib loo dhigay wuxuu ka ilaaliyaa godka wasakhda |
| • Deegaanka u hoggaansan (RoHS/REACH) | • La jaan qaadaya heerarka DIN 912 / ISO 4762 |
Shaxda 3. Soo koobida faa'iidooyinka muhiimka ah ee daahan iyo naqshadeynta
Dacromet-dahaarka dahaarka leh ee godad hex ah ayaa ka dhigan isku dhafka injineernimada dusha sare iyo naqshad farsamo oo sax ah. Dahaarka Dacromet wuxuu keenaa ilaalin gaar ah oo daxalka ah iyada oo aan la helin khataraha isku dhejinta hydrogen-ka ee la xidhiidha koronto-samaynta, halka qaabaynta cylindrical madaxa hex socket ay bixiso wareejin heer sare ah, joomatari is haysta, iyo waxqabad isku xidhid la isku halayn karo. Si wada jir ah, teknoolajiyadan ayaa ka dhigaya Dacromet hex socket bolts doorasho ku habboon baahida codsiyada guud ahaan baabuurta, dhismaha, qaybaha badda, iyo warshadaha.
Maaddaama warshaduhu ay sii wadaan inay dalbadaan nolol dheer oo adeeg ah, dayactirka oo yaraada, iyo wax soo saarka deegaanka mas'uul ka ah, qaadashada xirmooyinka dahaarka Dacromet ayaa la filayaa inay koraan. Injineerada iyo xirfadlayaasha wax soo iibsiga waa in ay ka fiirsadaan in ay ku qeexaan dacromet hex socket bolts codsi kasta halkaas oo iska caabinta daxalka, isku halaynta makaanikada, iyo naqshadaynta isku dhafan ay yihiin shuruudaha waxqabadka muhiimka ah.