ʻO ke kila kalapona DIN6923 hexagon flange toothed flat disc nut

He aha ka galvanizing wela?

ʻO ka galvanizing wela kahi hana maʻamau o ka uhi ʻana i ka ʻili metala me kahi papa zinc, ʻo ia ke kumu nuipale i ka hoʻoheheʻe metala a me ka ʻino.

ʻO ka galvanizing wela ka hoʻoinu ʻana i ka mea hana metala i loko o ka wai zinc i hoʻoheheʻe ʻia e hana i kahi papa pale. Penei ka hana kiko'ī:

Hana mua:
Degreasing: Wehe i na mea haumia e like me ka aila, ka lepo, a pela aku ma ka ili metala, me ka hoohana mau ana i ka solution alkaline no ka hoomaemae ana.
Pickling: E hoʻohana i ka waika hydrochloric dilute a i ʻole ka sulfuric acid e wehe i ka unahi oxide a me ka ʻōpala ma ka ʻili metala e hōʻoia i ka maʻemaʻe o ka ʻili.
Holoi wai: Wehe i nā mea ʻakika i koe i ka wā o ke kaʻina pickling e pale aku i ka hoʻopilikia ʻana i nā kaʻina hana ma hope.
Lapaʻau kōkua paʻi: E hoʻokomo i ka mea hana i loko o kahi kōkua hoʻopalapala (e like me ka zinc chloride solution) e hana i kahi kiʻiʻoniʻoni pale lahilahi e pale i ka ʻili metala mai ka hoʻoneʻe hou ʻana ma mua o ka galvanizing a hoʻomaikaʻi i ka pili ʻana o ka zinc.

ʻO ka galvanizing wela:
E hoʻokomo i ka mea hana i hoʻomaʻamaʻa mua ʻia i loko o kahi solution zinc i hoʻoheheʻe ʻia ma kahi o 450°C no ka hoʻololi ʻana i ka zinc me ka matrix metala e hana i kahi ʻāpana zinc-hao a me kahi papa zinc maʻemaʻe.

Hoʻoluʻu:
Wehe i ka mea hana mai loko mai o ka wai zinc, a hoʻomāalili me ka ea a i ʻole ka wai e paʻa koke ka papa zinc a hana i kahi papa pale like.

Ma hope o ka mālama ʻana:
I kekahi manawa koi ʻia ka lapaʻau passivation no ka pale ʻana i ka ʻōpala keʻokeʻo ma ka ʻili o ka papa galvanized.
E hoʻopau i ka ʻili o ka mea hana, e like me ka wehe ʻana i nā nodules zinc keu, burrs, etc.

Nānā maikaʻi:
E nānā i ka mānoanoa, adhesion, hiʻona, a me nā mea'ē aʻe o ka papa galvanized e hōʻoia i ka maikaʻi o ka galvanizing o ka mea hana i ke kūlana.

ʻO nā hiʻohiʻona o ka galvanizing wela: ʻoi aku ka mānoanoa o ka papa zinc a loaʻaikaika i ka corrosion resistance, i kūpono nohoʻohana waho lōʻihi, akā ʻoi aku ka ʻino o ka ʻili a ʻoi aku ka ʻino o ka helehelena.

Hoʻohana nui ʻia nā huahana i mālama ʻia me ka galvanizing wela i nā mea hana e like me ke kūkulu ʻana, ka lawe ʻana, ka uila, ka ʻoihana ikehu, nā mīkini a me nā mea kaumaha, ka mālama ʻana i ka wai a me nā ʻoihana kaiapuni, ka hana kaʻa, ka mahiʻai a me ka hānai, etc.nā ala uila, nā pale kaʻaahi, nā pale kaula a me nā pale,Papa hoʻokuʻi ala ala alakaʻi， nā hale kila, nā pale a me nā mea palekana, nā mea hoʻoheheʻe a me nā mea kukui, nā mea hoʻopaʻa (bolts, nati) pono hoʻi i ka galvanizing wela.