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Dacromet Flange boluti
2026-07-23
Dacromet Flange boluti
Awọn Fasteners Alatako Ibaje Flange pẹlu Ṣiṣi-Aluminiomu Aso Flake
Dacromet flange bolts darapọ awọn fifuye-pinpin flange ori oniru pẹlu Dacromet zinc-aluminiomu flake ti a bo. Flange ti o jẹ apakan rọpo ẹrọ ifoso lọtọ, lakoko ti abọ Dacromet n pese awọn wakati 500-1,200 ti iyọda iyọ iyọ laisi embrittlement hydrogen - o dara fun adaṣe, ikole, ati awọn ohun elo omi.
Apá 1 - Flange Bolt
Boluti flange jẹ boluti ori hex pẹlu flange ifoso ti a ṣepọ ni ipilẹ ori. Flange n pin kaakiri fifuye didi lori agbegbe ti o gbooro, idinku titẹ oju ilẹ ati idilọwọ ibajẹ si awọn ohun elo ti a ti sopọ. Eyi yọkuro iwulo fun ifoso lọtọ, apejọ irọrun.
Key Awọn ẹya ara ẹrọ
- Pinpin fifuye: Flange tan kaakiri agbara didi, idinku aapọn gbigbe nipasẹ to 50% ni akawe si awọn boluti hex boṣewa.
- Ilọkuro: Aṣayan flange Serrated pese atako gbigbọn ti a ṣe sinu laisi awọn ifoso titiipa.
- Awọn idiwọn: DIN 6921 / ISO 4162 / GB/T 5787; M6–M20; Ipele 8.8 ati 10.9 fun ISO 898-1.
- Awọn ohun elo: Erogba irin (Grade 8.8) tabi kekere-alloy irin (Grade 10.9), parun ati tempered.
Apá 2 - Dacromet Coating
Dacromet jẹ orisun omi, ti kii ṣe itanna eletiriki ti zinc agbekọja ati awọn flakes aluminiomu ti o ni asopọ nipasẹ awọn agbo ogun chromium. Ti a lo nipasẹ awọn iyipo dip-spin-cure ni 280–300°C, o pese aabo ipata mẹta-laisi hydrogen embrittlement.
Idaabobo Mechanism
- Idaabobo irubo: Awọn flakes Zinc baje ni pataki lati daabobo irin, paapaa nigba ti a ti bo ibora.
- Idena ti ara: Awọn flakes agbekọja ṣe idiwọ ọrinrin, atẹgun, ati awọn ions ipata.
- Kemikali palolo: Awọn agbo ogun Chromium fa fifalẹ itu zinc ati awọn iyẹfun micro-larada ti ara ẹni.
Awọn anfani bọtini
- Ko si hydrogen embrittlement: Aisi-itanna ilana - ailewu fun ite 8.8-10.9 ga-agbara boluti.
- Idaabobo ipata ti o ga julọ: 500–1,200 wakati iyo sokiri (ISO 9227), 5–10x dara ju zinc plating.
- Tinrin & aṣọ: 4–10µm ṣe itọju ibamu okun ati geometry flange. Ko si tun-fifọwọ ba nilo.
- Ooru sooro & ore-aye: O duro 250 ° C; Cr⁶⁺-ọfẹ, ibamu RoHS/REACH.
Aso Afiwera
| Ohun ini | Dacromet | Sinkii Plating | Gbona-fibọ Galv. |
| Sokiri iyo (wakati) | 500 – 1,200 | 96 – 240 | 300 - 1,000 |
| Embrittlement Hydrogen | Ko si | Ewu (Gr. 10.9+) | Ko si |
| Sisanra aso | 4 - 10 μm | 5-25 μm | 45 – 85 µm |
| Opo Fit Ipa | Kekere | Kekere | Pataki |
| Ooru Resistance | 250°C | 200°C | 250°C |
| Ifarahan | Fadaka-grẹy, matte | Buluu-funfun | Imọlẹ / spangled |
Lakotan
Awọn boluti flange Dacromet nfunni ni apapọ ti o dara julọ ti ṣiṣe ẹrọ ati aabo ipata. Flange ti o jẹ apakan n pin fifuye ati ki o ṣe apejọ simplifies, lakoko ti Dacromet zinc-aluminium flake bota n pese awọn wakati 500-1,200 ti iyọda iyọ iyọ laisi hydrogen embrittlement. Awọn fasteners wọnyi ni lilo pupọ ni ọkọ ayọkẹlẹ, ikole, agbara afẹfẹ, ati awọn ohun elo omi nibiti didi igbẹkẹle ati agbara igba pipẹ ṣe pataki.
