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Dacromet Hex Socket Boluti: To ti ni ilọsiwaju Anti-ibaje aso Pade konge fastening Design
2026-07-27
Dacromet hex socket boluti soju fun isokan ti meji lominu ni fastener imo ero: Dacromet ga-išẹ egboogi-ibajẹ eto ati awọn cylindrical socket-ori (Allen) boluti geometry. Papọ, wọn pese ojutu Fastener ti o duro de awọn agbegbe ibajẹ ti o ga julọ lakoko ti o nmu fifi sori ẹrọ iyipo giga to peye, jẹ ki wọn ṣe pataki ni ọkọ ayọkẹlẹ, okun, ikole, ati awọn ohun elo ẹrọ eru ni kariaye.
1. Dacromet Coating Technology
Dacromet jẹ eto ibori inorganic ti o da lori omi kikan ti o dagbasoke ni akọkọ fun erogba ati awọn ohun mimu irin alagbara. Ko dabi zinc elekitiriki ti aṣa, Dacromet nlo ilana kẹmika ti ko ni chromium (tabi kekere-chromium) ti o ṣe idiwọ idena olona-Layer ti o ni wiwọ ti zinc ati awọn flakes aluminiomu. Abajade jẹ ipari fadaka-grẹy kan pato ti o ṣajọpọ didoju ẹwa pẹlu iṣẹ aabo alailẹgbẹ.
Awọn ipele mẹta naa n ṣiṣẹ ni imuṣiṣẹpọ lati pese aabo okeerẹ:
Layer ipilẹ flake zinc-aluminiomu - pese aabo irubọ (cathodic), ipata ni pataki lati daabobo sobusitireti irin ti o wa ni abẹlẹ, lakoko ti awọn flakes aluminiomu ṣafikun aabo idena.
Passivation aarin-Layer - fiimu chromate/silicate inorganic kan ti o ṣe edidi igbekalẹ flake ti fadaka, titako sokiri iyọ, ikọlu kẹmika, ati ooru ti o jinna ju fifi sinkii aṣa lọ.
Aso edidi Organic ti o ga julọ (aṣayan) - nmu iṣẹ ṣiṣe idena-agbara ati aabo oju-ọjọ pọ si, lakoko ti o ṣe agbejade irisi fadaka-grẹy ti o ni ibamu pẹlu onisọdipúpọ kekere ti ija.
Tabili 1. Ifiwera Resistance Ipata (Ayẹwo Sokiri Iyọ, NSS)
| Aso Oriṣi | Iyọ sokiri Wakati | Sisanra (μm) | Ohun elo Aṣoju |
| Dacromet | ≥ 1,000 - 3,000 | 6 – 10 | Marine / ọkọ ayọkẹlẹ |
| Ruspert | ≥ 1,000 - 3,000 | 3 – 5 | Ita / tona |
| Zn-Ni alloy plating | ≥ 720 – 1,000 | 8 – 12 | Ọkọ ayọkẹlẹ |
| Mora Zn plating | 96 – 240 | 5 – 8 | Ninu ile / gbogbogbo |
2. Hex Socket boluti
Awọn boluti iho hex, ti a tun mọ si awọn skru ori iho tabi awọn boluti Allen, ṣe ẹya ori iyipo pẹlu awakọ hexagonal inu inu. Jiometirika yii ngbanilaaye gbigbe iyipo ti o ga julọ pẹlu profaili ori kekere ti akawe si awọn boluti hex ita, ti o jẹ ki wọn jẹ apẹrẹ fun awọn ohun elo pẹlu idasilẹ to lopin tabi nibiti fifọ, irisi mimọ nilo.
Awọn ẹya apẹrẹ bọtini pẹlu:
Ori silindrical pẹlu hex wakọ inu - gba awọn bọtini hex boṣewa fun fifi sori ẹrọ iyipo giga pẹlu igbega ori iwonba; awọn iwọn awakọ ni ibamu si ISO 2936 tabi ASME B18.3.
Titẹ ni kikun tabi apa kan-- awọn iyatọ okun-kikun pin fifuye ni deede lẹgbẹẹ ipari iṣẹ; Awọn iyatọ ila-apakan pese shank ti ko ni okun sii fun awọn ohun elo rirẹrun.
Irin alloy ti o ga-giga (8.8 / 10.9 / 12.9) - awọn iwọn itọju ooru ṣe idaniloju agbara fifẹ to 1,220 MPa, o dara fun awọn ẹru agbara ati awọn isẹpo pataki.
Ipari dacromet dada - pese ≥ 1,000 wakati ti aabo sokiri iyọ laisi hydrogen embrittlement, ti o jẹ ki o jẹ apẹrẹ fun awọn ohun mimu agbara-giga nibiti electroplating ko yẹ.
Tabili 2. Wọpọ Dacromet Hex Socket Bolt Awọn pato (Kilasi Ohun-ini 8.8)
| Iwọn | O tẹle Dia. (mm) | Giga ori (mm) | Min. Fifẹ (MPa) | Ohun elo Aṣoju |
| M4 | 4 | 4 | 800 | Electronics / ohun elo |
| M5 | 5 | 5 | 800 | Ijọpọ ina |
| M6 | 6 | 6 | 800 | Furniture / ẹrọ |
| M8 | 8 | 8 | 800 | Mechanical / Oko |
| M10 | 10 | 10 | 830 | Awọn isẹpo igbekale |
| M12 | 12 | 12 | 830 | Awọn ẹrọ ti o wuwo |
3. Lakotan
Dacromet hex socket bolts darapọ resistance ti o ga julọ ti ipata ti eto idawọle inorganic ti Dacromet (aṣeyọri awọn wakati 1,000-3,000 ti aabo sokiri iyọ laisi hydrogen embrittlement) pẹlu iyipo giga, apẹrẹ profaili kekere ti bolt iho hex. Ibarapọ yii jẹ ki didi igbẹkẹle ni awọn agbegbe ti o nbeere - lati ẹnjini ati awọn ọna fifọ si awọn ẹya inu omi ati ohun elo ita - lakoko titọju iṣakoso iyipo to pe ati agbara igba pipẹ. Bii awọn ile-iṣẹ ṣe n beere awọn ohun elo ti o ni iwọntunwọnsi iṣẹ ṣiṣe, ailewu, ati igbesi aye gigun, Dacromet hex socket bolts ti di yiyan ti o fẹ fun awọn onimọ-ẹrọ ati awọn OEM ni kariaye.
