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Hexagon Flange Bolts tare da Rufin Dacromet: Geometry, Tsari, Ayyuka da Jagorar Taro
2026-10-26
1. Gabatarwa
Flange bolts - hexagon head bolts tare da hadedde flange (fuskar wanki) da aka gina a cikin kai - sun zama babban zaɓi a masana'antar kera motoci, haɗar injina, da ginin bututun mai. Ta hanyar haɗa kullun da mai wanki a cikin bangare guda, kullin flange yana sauƙaƙa haɗuwa, rarraba nauyin ƙugiya a kan wani yanki mai girma, kuma yana inganta juriya ga sassauta kai a ƙarƙashin girgiza.
A cikin mahallin sabis na lalata, duk da haka, amfanin ƙirar flange za a iya gane shi kawai idan rufin da ke kare kullun ya tsira idan dai haɗin gwiwa da kansa. Dacromet (zinc-aluminum flake) shafi ya fito a matsayin tsarin da aka fi so na lalata-kariya don ƙwanƙwasa mai ƙarfi mai ƙarfi, yana ba da juriya na fesa gishiri sau da yawa fiye da electro-galvanizing a wani yanki na kauri na galvanizing mai zafi - kuma ba tare da haɗarin haɓakar hydrogen ba.
Wannan labarin yana bayyana ma'auni da ma'auni na hex flange bolts, ya bayyana tsarin suturar Dacromet kamar yadda aka yi amfani da su a kan flange, yana gabatar da kwatancen aiki da ƙayyadaddun ƙayyadaddun bayanai, kuma yana ba da zaɓi mai amfani da jagorar taro.
2. Menene Hex Flange Bolt?
Hex flange bolt shine hexagon head bolt wanda kansa yana ɗaukar madaidaicin flange madauwari a saman madaidaicin, daidai da ISO 4162 / DIN 6921 (metric) da daidaitattun matakan inch-inch. Akwai iyalai masu ƙira guda biyu:
- Ƙananan jerin flange- m flange diamita ga m sarari, na kowa a cikin mota injuna;
- Manyan jerin flange (fadi).- kusan 1.5 × zaren diamita mai ɗaukar saman, ana amfani da shi inda manyan abubuwan ɗaukar kaya ko kayan ɗaure masu laushi (aluminum, robobi) ke ciki.
Yawancin kusoshi na flange kuma suna da fasali serrations (radial hakora) a kan flange underside. Serations ɗin sun ciji saman saman mating, suna ƙara juriya ga ƙaramin motsi na dangi da haɓaka juriya ga saƙon kai a ƙarƙashin girgizawar juzu'i - ba tare da buƙatar wankin kulle daban ba.
3. Me yasa Dacromet Coating don Flange Bolts?
Dacromet shafi ne mai tushen ruwa na tutiya da flakes na aluminum tare da masu wucewa da masu ɗaure inorganic. An shafe sassan da aka tsoma-rufi, a dunƙule su a tsakiya don cire slurry mai yawa, kuma an warke a 280-330 ° C na minti 20-40; Kewayoyin tsoma-tsalle guda biyu yawanci suna samar da fim ɗin 6-10 μm. Flange bolts sun dace musamman ga tsarin tsoma-tsalle:
1.Cikakken ɗaukar hoto- rufin yana gudana a cikin fillet ɗin flange-to-shank da ramukan serration, wuraren da electroplating sau da yawa barin bakin ciki ko na yau da kullun adibas;
2.Kaurin Uniform- centrifugal kadi yana ba da ko da fina-finai a fadin lebur flange fuska, adana a layi daya hali surface cewa yana da muhimmanci ga matsa-load daidaito;
3. Babu hydrogen embrittlement- babu wani tsinke acid ko electrolytic halin yanzu da ke cikin hannu, don haka maki 10.9 da 12.9 za a iya shafa su lafiya;
4.Tread madaidaicin- bakin ciki, fim mai wuyar gaske yana adana lissafi na zaren, don haka flange bolts har yanzu suna gudana cikin yardar kaina a cikin ramukan da aka tarar da ma'aurata tare da daidaitattun ƙwayoyin flange;
5.Friction daidaito- tare da haɗe-haɗe-haɗe-haɗe-haɗe-haɗe-haɗe-haden man shafawa, Dacromet flange bolts cimma barga goro dalilai (K ≈ 0.12-0.16), muhimmanci ga karfin juyi-sarrafawa layukan taro.
4. Aiki da Amfanin Injiniya
Yanki mai ɗaukar nauyi da matsa lamba
Ma'anar fa'idar ƙirar flange shine rarraba kaya. Teburin da ke ƙasa yana kwatanta daidaitaccen ƙulli na hex na M10, ƙulli hex tare da mai wanki daban, da babban abin rufe fuska na M10 a nauyin matse 30kN iri ɗaya.
| Tsarin Bolt | OD mai ɗaukar nauyi (kimanin.) | Yanki mai ɗaukar nauyi (mm²) | Matsin saman ƙasa a 30 kN (N/mm²) |
| Hex bolt DIN 933, babu mai wanki | 14.5mm (fuskar wanki) | ≈ 78 | ≈ 385 |
| Hex bolt + flat wash DIN 125 | 20 mm | ≈ 166 | ≈ 181 |
| Hex flange DIN 6921 | 21.5 mm | ≈ 208 | ≈ 144 |
Tebur 1. Yanki mai ɗaukar nauyi da kwatancen matsa lamba (misali M10, dabi'u na yau da kullun).
Hoto 2. Ƙananan matsa lamba yana nufin ƙarancin haɗawa cikin filaye masu laushi ko fenti da haɗin gwiwa mai ƙarfi akan lokaci.
Ƙananan matsa lamba na ƙasa yana rage haɗawa (brinelling) a cikin aluminum ko fenti, yana kiyaye haɗin gwiwa da aka daure akan lokaci, kuma yana rage haɗarin kai zuwa cikin kayan laushi. Bugu da kari, gwajin girgiza-tsara mai zaman kanta (Gwajin Junker, DIN 65151) yana nuna akai-akai yana nuna cewa ƙwanƙwasa ƙwanƙwasa ƙwanƙwasa yana riƙe da ɗaukar nauyi fiye da ƙwanƙolin hex na ma'auni iri ɗaya, saboda serrations suna kulle ƙirar mai ɗaukar hoto kuma mafi girman flange yana tsayayya da jujjuya kai.
