Dacromet mai rufi hexagonal cylindrical head dunƙule: Karamin ƙulli yana ƙayyade rayuwar manyan kayan aiki, anti-lalata da juriya, kuma babu wani ɓoyayyiyar haɗarin da ke tattare da hydrogen embrittlement.

2026-11-04

1. Gabatarwa: Bolt Mai Rike Injiniya Tare

Yi tafiya ta kowane kantin inji, ƙwayar mutum-mutumi, ko injin turbine nacelle kuma za ku sami abin ɗamara iri ɗaya: dunƙule-ƙulle-ƙulle tare da hutun hexagonal, an ɗora shi da maɓallin Allen. Wannan shine hexagon soket head hula dunƙule, Daidaita kamar DIN 912 da ISO 4762. Yana da tsoho ƙugiya don ƙirar ƙira, kayan aikin injin, manifolds na hydraulic, da majalissar madaidaici, saboda yana mai da hankali kan babban ɗaukar nauyi a cikin ƙaramin ambulaf kuma za'a iya sake shiga cikin wani counterbore.

2. Ma'anar samfur: Hexagon Socket Head Cap Screw

An inganta lissafin wannan kullin don ƙaddamarwa, ba don fitowar ruwa ba:

Cylindrical shugabantare da lebur fuska mai ɗaukar nauyi wanda ke rarraba nauyin matsi akan cikakken yanki mai madauwari.
Ciki hexagon soket(Metric fadin-filaye daga 2.5 mm zuwa 36 mm), watsa karfin juyi ta fuskoki shida tare da ƙaramin kama-karya.
Zaren awo na cikakken tsari(m ko kyakkyawan farar ta ISO 261), birgima maimakon yanke don ci gaba da kwararar hatsi da mafi kyawun rayuwa.
Azuzuwan dukiya 8.8, 10.9, da 12.9, yana rufe ƙarfin ƙarfi daga 800 zuwa 1,220 MPa.

Zare	Head Dia. (dk)	Tsawon kai (k)	Hex Socket (s)	Darasi na 8.8 Tensile	Darasi na 12.9 Tensile	Tsawon Tsawon Gida
M5	8.5mm ku	5.0 mm	4 mm	800 MPa	1,220 MPa	10-60 mm
M6	10.0 mm	6.0 mm	5 mm ku	800 MPa	1,220 MPa	12-80 mm
M8	13.0 mm	8.0mm ku	6 mm ku	800 MPa	1,220 MPa	16-100 mm
M10	16.0 mm	10.0 mm	8 mm ku	800 MPa	1,220 MPa	20-120 mm
M12	18.0 mm	12.0 mm	10 mm	800 MPa	1,220 MPa	25-150 mm
M16	24.0 mm	16.0 mm	14 mm	800 MPa	1,220 MPa	30-200 mm

Matsakaicin kai-to-thread al'amura don lalata ƙira: babban cylindrical kai yana ba da shafi mai faɗi, ƙasa mai ƙarancin damuwa don haɗi zuwa, yayin da zurfin rami mai zurfi shine mafi girman yanki mai mahimmanci na duk dunƙule - shine inda tsatsa ta fara kai hari kuma inda fim ɗin bakin ciki ko bai cika ba yana haifar da kusoshi don kamawa.

Dacromet mai rufi hexagonal cylindrical head dunƙule

3. Shigarwa: Torque, Preload, da Coating Interaction

Kullin da ke jure lalata ba shi da amfani idan haɗin gwiwa ya saki. Tebur 2 yana ba da juzu'in taro don aji 8.8 da 10.9 soket head screws tare da murfin Dacromet (μ ≈ 0.14).

Zare	Darasi na 8.8 Torque	Mataki na 8.8	Darasi na 10.9 Torque	Matsayi na 10.9 da aka rigaya
M5	6.5 nm	4.0 kN	9.0 nm	5.6 kn
M6	11.5 nm	5.7 kn	16.0 nm	8.0 kn
M8	28.0 nm	10.4 kN	39.0 nm	14.6 kn
M10	55.0 nm	16.5 kn	78.0 nm	23.1 kN
M12	96.0 nm	24.0 kN	135 nm	33.6 kn
M16	240 nm	45.0 kN	335 nm	63.0 kN

Yi amfani da maɓalli daidai.Maɓallin Allen da aka sawa ko ƙarancin girmansa yana lalata soket kuma yana fallasa ƙarancin ƙarfe - ainihin wurin da lalata ke farawa.
Girmama counterbore.Shugaban kujeru a kan cikakkiyar fuskarsa; wani chamfered ko lalace counterbore rage lamba wurin da zai iya fashe da shafi fim karkashin kaya.
Kada a haɗa tsarin suturaakan haɗin gwiwa guda ɗaya ba tare da sake duba juzu'i ba. Maƙarƙashiyar Dacromet a cikin ƙwaya bayyananne yana da juzu'i daban-daban fiye da dunƙule mai rufi a cikin kwaya mai rufi.
Sake jujjuyawar bayan sulhua kan gaskets mai laushi ko gidaje filastik; busasshen fim ɗin ba ya rarrafe, amma abin da aka ƙulla zai iya.

4. Kammalawa

Dacromet mai rufi hexagon socket head screw ƙaramin sashi ne wanda ke yanke shawarar rayuwar sabis na babban taro. Shugaban silindarin sa da hexagon na ciki suna isar da madaidaicin kayan buƙatun injinan zamani; Tushen flake ɗin sa na zinc-aluminum yana ba da aikin rigakafin lalata wanda ke buƙata a waje, ruwa, da sabis na sufuri - ba tare da haɓakar hydrogen ba, ba tare da sake zare ba, kuma ba tare da hukumcin bakin karfe ba. Ƙayyade ginin daidai, jujjuya shi daidai, kuma kullin zai wuce fenti akan injin da yake riƙe tare.

Ba Da. Na gaba.

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