ʻO Dacromet Flat Washers: He Hōʻikeʻike piha 

1. Hoʻolauna

ʻO nā mea holoi paʻa nā mea pono i nā ʻōnaehana hoʻopaʻa mīkini. ʻO kēia mau diski lahilahi a pālahalaha me ka lua waena e puʻunaue i ka ukana o ka bolt a i ʻole ka wili, pale i nā ʻili i hui ʻia mai ka pōʻino, a hoʻomaikaʻi i ka hilinaʻi o ka pilina. I loko o nā wahi ʻino—e like me nā mea i ʻike ʻia i ka makū, nā paʻakai alanui, nā kemika, a i ʻole nā ​​​​mea wela kiʻekiʻe-ʻo nā mea holoi kila maʻamau ʻaʻole i hoʻomaʻamaʻa ʻia a i ʻole ka zinc-plated steel e ʻino pinepine ʻia, e alakaʻi ana i ka hōʻemi ʻana i ka ikaika o ka hoʻopaʻa ʻana, ka pau ʻole o ka hui ʻana, a i ʻole ka mālama nui ʻana.

No ka hoʻoponopono ʻana i kēia pilikia, ua hoʻomohala ʻia nā lāʻau lapaʻau kiʻekiʻe. Ma waena o nā mea maikaʻi loa ʻO ka uhi ʻana o Dacromet, kahi ʻōnaehana zinc-aluminum flake i hoʻohana nui ʻia i nā mea holoi paʻa no ka kaʻa, ke kūkulu ʻana, ka moana, a me ka hoʻohana ʻana i ka ʻoihana. Hōʻike kēia ʻatikala i nā mea holoi paʻa Dacromet, e wehewehe ana i ka ʻenehana uhi, nā waiwai koʻikoʻi, nā kūlana, nā pono, nā noi, a me nā hoʻohālikelike me nā hoʻopau ʻokoʻa.

2. He aha ka Dacromet Coating?

ʻO Dacromet (DACROMET®) he mea hoʻoheheʻe non-electrolytic, i hoʻokumu ʻia i ka wai i haku ʻia me ka zinc a me nā ʻāpana alumini i hoʻopuehu ʻia i loko o kahi mea hoʻopili chromate. Hoʻokumu mua ʻia i ka makahiki 1970 no ka hakakā ʻana i ke ala-paʻakai ʻino ma luna o nā kaʻa, ua hoʻohana ʻia e ka dip-spin, spray, a i ʻole ka hoʻoheheʻe ʻana i ka wai ma hope o ka alkaline degreasing a me ka hoʻomaʻemaʻe mechanical (ʻaʻole hoʻohana ʻia ka ʻaila wai). Hoʻōla ʻia ka uhi ʻana ma kahi o 300°C, e hana ana i kahi kiʻiʻoniʻoni lahilahi (maʻamau 5-15 μm), ʻoniʻoni ʻoniʻoni ʻoniʻoni ʻoniʻoni ʻoniʻoni ʻoniʻoni metala e pili pono ana i ka substrate kila.

Hoʻohana ʻia kāna mīkini pale i ʻekolu mau ala hoʻohui:

1. Pale pale - ʻO ka hoʻopili ʻana i ka zinc a me ka alumini flakes e hana i kahi pale kino paʻa e kūʻē i ka makū, ka oxygen, a me nā mea ʻino.
2. Pale Cathodic (mohai). - ʻoi aku ka maikaʻi o ka hoʻoheheʻe ʻana o ka zinc, e pale ana i ke kila o lalo inā ua poino iki ka uhi.
3. ʻO ka hoʻopaʻapaʻa - Hoʻokumu nā pūhui chromium i nā kiʻiʻoniʻoni oxide paʻa e hoʻolōʻihi i ka ʻino a kōkua i ka sila ʻana i nā hemahema liʻiliʻi.

3. ʻO nā mea nui o nā mea holoi lole ʻo Dacromet Flat

3.1 Kū'ē Kū'ē Kū'ē

I ka hoʻāʻo ʻana i ka paʻakai paʻakai kūʻokoʻa (ASTM B117 / ISO 9227), ʻoi aku ka nui o nā uhi Dacromet i 500-1,000+ mau hola me ka ʻole o ka ʻulaʻula - ʻoi aku ka lōʻihi o 5-10 mau manawa ma mua o ka electroplating zinc maʻamau o ka mānoanoa like. ʻOi aku ke kaumaha o ka uhi kiʻekiʻe (Ka Papa B a i ʻole nā ​​ʻano ʻokoʻa mānoanoa kiʻekiʻe) ma mua o 1,000 mau hola, e kākoʻo ana i nā ola lawelawe o 5-15 mau makahiki a ʻoi aʻe paha i loko o nā kaiapuni waho a ma lalo o ke kino.

3.2 Kū'ē wela kiʻekiʻe

Mālama ka uhi i kona kūpaʻa a me nā mea pale a hiki i ka 300°C (572°F). ʻO kēia ka mea e kūpono ai nā mea holoi paʻa Dacromet no nā ʻāpana kokoke i nā ʻenekini, nā ʻōnaehana exhaust, nā hui braking, a me nā kumu wela ʻē aʻe kahi e palupalu, ʻili, a nalowale paha ke kūpaʻa ʻana o ka ʻino.

3.3 ʻAʻole Hoʻohālua ʻia ka Hydrogen

No ka mea he non-electrolytic ke kaʻina hana a pale aku i ka pickling acid, ʻaʻole hoʻokomo ʻo Dacromet i ka pilikia o ka hoʻoheheʻe ʻana o ka hydrogen. He mea koʻikoʻi kēia no nā mea holoi holoi ikaika (nā papa paʻakikī 200 HV, 300 HV a i luna) a no ka hoʻohana pū ʻana me nā bolts kiʻekiʻe-tensile (Papa 10.9 a kiʻekiʻe aʻe), kahi e hopohopo nui ai ka haki ʻana i ka hydrogen i ka hoʻopau electroplated kuʻuna.

3.4 Kiʻiʻoniʻoni ʻoniʻoni ʻoniʻoni a me nā pono ʻē aʻe

Me ka mānoanoa kiʻiʻoniʻoni maloʻo maʻamau o 5-12 μm wale nō, ʻaʻole i hoʻololi nui ka uhi ʻana i nā ana koʻikoʻi a i ʻole ka wehe ʻana i ke kaula, e mālama pono i ka hana kūpono a me ka hoʻopili ʻana. ʻO nā pōmaikaʻi hou aʻe, ʻo ia ka pili ikaika ʻana i ka substrate, ka hiki ke pena maikaʻi, ka coefficient i kāohi ʻia o ka friction (ʻoi loa ke hoʻohana ʻia ka topcoat lubricated), a me ka hoʻohālikelike bimetallic me nā mea alumini.

4. Nā Kūlana, Mea Pono, a me nā kiko'ī

Hana ʻia nā mea holoi paʻa ʻo Dacromet e like me DIN 125, ISO 7089, DIN 9021, a me ANSI/ASME B18.22.1. ʻO nā mea kumu mua he kila kalapona i hoʻolako ʻia i nā māka paʻakikī e like me 100 HV, 140 HV, 200 HV, a i ʻole 300 HV; Loaʻa nā ʻano kuhili-steel no nā koi kūikawā. Loaʻa nā nui mai nā anawaena metric liʻiliʻi (M1.6 / Φ1.7 mm) a i nā nui nui (M160 / Φ165 mm a ma waho aku), e uhi ana i nā mea holoi maʻamau a me ka nui-outer-diameter (fender). ʻO ka helu maʻamau ka Papa A (ma kahi o 24 g/m²) a i ʻole ka Papa B (ma kahi o 36 g/m²), hāʻawi pinepine ʻia me nā kapa top koho e hoʻomaikaʻi hou i ka lubricity a i ʻole ka hana corrosion. Hāʻawi nā mea hoʻolako kaulana i nā hōʻike hoʻāʻo paʻakai, ana mānoanoa, a me nā palapala hōʻoia.

5. ʻO nā mea maikaʻi ma mua o nā mea hoʻonani maʻamau

• Hoʻonui i ke ola lawelawe - ʻoi aku ka lōʻihi o ka pale ʻana i ka corrosion e hōʻemi nui i nā wā mālama a me nā kumukūʻai pani.
• Palekana no nā mea hoʻopaʻa ikaika kiʻekiʻe - ka nele loa o ka hydrogen embrittlement pilikia.
• ʻO ke kiko kiko - mālama ka kiʻiʻoniʻoni lahilahi i ka hoʻomanawanui a me ka hoʻopili pono ʻana i ke kaula.
• Paʻa wela - ka hana hilinaʻi ma nā wahi wela kiʻekiʻe.
• ʻO ke kumu kūʻai o ke ola ola maikaʻi - ʻoiai ʻoi aku ka kiʻekiʻe o ke kumu kūʻai mua ma mua o ka plating zinc maʻamau, ʻoi aku ka lōʻihi o ka lawelawe ʻana a me ka hoʻohaʻahaʻa ʻana i ka manawa e hāʻawi mai i ka huina haʻahaʻa o ka ʻona.

6. Nā noi maʻamau

Kaʻa: ʻO Chassis, hoʻokuʻu ʻia, lalo o ke kino, hoʻopau, a me nā mea hoʻopaʻa ʻenekini i ʻike ʻia i ka paʻakai alanui a me ka wai. He nui nā OEM a me nā mea hoʻolako Tier-1 e koi pono i nā pale zinc-flake e like me Dacromet no nā mea holoi koʻikoʻi a me nā mea paʻa.

Ke kūkulu ʻana a me nā ʻoihana: ʻO nā pilina kila, nā alahaka, nā tunnels, nā paepae o waho, ka scaffolding, ka pā, a me nā lako hana hale waho e kū i ka wā lōʻihi i waho.

Nā ʻāpana ʻē aʻe: ʻO nā lako kai a me nā kahakai, nā mīkini mahiʻai a me ke kūkulu hale, nā ʻōnaehana kaʻaahi a me nā ʻōnaehana kaʻa, nā hale kiaʻi makani a me nā nacelles, nā waiwai keʻokeʻo a me nā mea hana, a me nā hui ʻoihana nui e hana ana i nā wahi corrosive a kiʻekiʻe-humidity.

7. Hoʻohālikelike me nā ʻāpana ʻokoʻa

Zinc electroplating ʻAʻole kūʻai nui ʻia a loaʻa ākea, akā hāʻawi ia i ka pale paʻakai paʻakai liʻiliʻi (maʻamau 72-200 mau hola) a lawe i kahi pilikia hydrogen-embrittlement ma nā ʻāpana ikaika kiʻekiʻe.

ʻO ka galvanizing wela Hāʻawi i ka pale corrosion maikaʻi loa a me ka hana ʻālana, akā hiki i ka uhi mānoanoa ke keʻakeʻa i ke kūpono o ke kaula a me ka pololei o ke ana, ʻaʻole kūpono ia no ka pololei a i ʻole nā mea holoi liʻiliʻi.

ʻO nā ʻōnaehana zinc-flake ʻē aʻe (no ka laʻana Geomet®) hāʻawi i ka hana ma ka papa laulā like me Dacromet. ʻO ka koho hope loa e pili ana i nā kikoʻī OEM kikoʻī, nā koho topcoat i loaʻa, a me nā kaulahao lako kūloko. Ma ke ʻano holoʻokoʻa, hāʻawi ʻo Dacromet i kahi kaulike kūpono o ka mānoanoa kiʻiʻoniʻoni lahilahi, ke kūpaʻa ʻana i ka corrosion kiʻekiʻe, ke kūpaʻa wela, a me ke kūʻokoʻa mai ka hydrogen embrittlement.

8. Ka hopena

Hoʻohui nā mea holoi paʻa Dacromet i nā pono mīkini o nā mea holoi paʻa maʻamau - ka hoʻoili ʻana i ka ukana a me ka pale ʻana i ka ʻili - me kahi ʻāpana zinc-aluminum flake kiʻekiʻe e hāʻawi ana i ke kūpaʻa koʻikoʻi, ka hana wela kiʻekiʻe, a me ka palekana no nā noi ikaika kiʻekiʻe. ʻO kā lākou kiʻiʻoniʻoni lahilahi, ʻaʻahu like ʻole, hōʻoia ʻia ka moʻopuna kaʻa, a me ka lōʻihi o ke ola lawelawe ʻana i koho maikaʻi ʻia ma waena o nā ʻoihana kaʻa, kūkulu, moana, a me nā ʻoihana ʻoihana ākea.

I ka wehewehe ʻana i kēia mau mea holoi, pono e hāʻawi ʻia i ka māka paʻakikī i koi ʻia, ka maʻamau maʻamau (DIN, ISO, a i ʻole ANSI), ke kaumaha o ka uhi ʻana a i ʻole ka pae, a me nā mea e pono ai no nā pāpale lubricated. ʻO ka hui pū ʻana me nā mea hana hiki ke hāʻawi i ka ʻikepili hoʻāʻo paʻakai a me nā palapala hōʻoia waiwai e hōʻoia i ka hana pono i ka lawelawe. I nā noi i mea koʻikoʻi ka corrosion, wela, a i ʻole ka ikaika kiʻekiʻe, ʻo Dacromet-coated flat washers e hoʻomau i ka hopena i hōʻoia ʻia a maikaʻi hoʻi.

— Hopena o ka pauku —