ʻO Chromium plating, kahi hana e hoʻomālamalama i nā metala!
2023-05-24
ʻO ka mea maʻamau, loaʻa i ka chromium nā waiwai kemika paʻa a ʻaʻole pane me ka hapa nui o nā waikawa organik, sulfides, a i ʻole alkali. No laila, hiki i ka chromium plating ke pale i ka corrosion, hoʻomaikaʻi i ka pale ʻana i ka lole, a lawelawe ma ke ʻano he pale pale.
Eia kekahi, ʻo ka papa chrome he kiʻekiʻe kiʻekiʻe a hoʻohana mau ʻia e like me nā mea hoʻonaninani, e like me nā mea hana kaʻa, nā loko, nā ʻāpana hoʻonaninani, a me nā ʻāpana ʻē aʻe me nā koi hiʻohiʻona.
ʻO ke kaʻina hana o ka chromium plating he ʻelima mau pae kumu:
ʻO ka pae mua ka degreasing. E hoʻohana i nā kemika e wehe i ka momona mai nā ʻili metala e hōʻoia i ka ʻole o nā ʻāpana o ka ʻili e pili ana i ka electroplating.
ʻO ka hoʻomaʻemaʻe ka lua. ʻO ka hoʻomaʻemaʻe pono ʻana i ka ʻili e kōkua i ka wehe ʻana i ka lepo a me nā koena, e like me nā ʻāpana lepo liʻiliʻi.
Ma ke kolu o ka pae, pono e mālama 'ia ka metala lalo (plated) e hō'oia i ka ma'ema'e o ka metala e like me ka hiki, no laila e hō'oia'i'o ai i ka ho'opa'a 'ana i ka pono ki'eki'e no ka manawa lō'ihi. ʻO nā ʻano hana maʻamau e pili ana i ka pā keleawe, ka nickel plating, a laila ka chromium plating.
I ka hā o ka pae, hoʻokomo ʻia ka metala i loko o kahi pahu i loaʻa kahi hoʻonā pre-treatment a hoʻomehana mālie i kahi mahana kūpono e hoʻomaka ai i ka plating chromium.
ʻO ka pae ʻelima a me ka pae hope, hoʻomaka ke kaʻina hana electroplating, a ʻo ka hopena i loko o ka pahu he hopena hui ʻia o ka chromium i loko o nā pūhui, e ʻae ana i nā pūhui e kau ʻia ma luna o ka ʻili metala (ma o nā hopena electrochemical). ʻO ka mānoanoa o ka uhi e pili ana i ka manawa e noho ai ke metala i loko o ka pahu.
ʻO nā ʻano maʻamau o ka hoʻoheheʻe chromium e like me: ʻālohilohi chromium plating, matte chromium plating, hard chromium plating, etc.
Ke hoʻomākaukau ʻia e like me nā kūlana ʻoihana o kēia manawa, hiki i ka chrome coating ke pale i ka hoʻolaha lōʻihi i ka ea. ʻO ka bumper metala ma ke kaʻa he kumu hoʻohālike maikaʻi o ka electroplating, hiki ke hoʻohana ʻia no nā makahiki me ka mālama maʻamau wale nō. Pēlā nō, hiki i nā faucets a me nā huahana chrome plated ke hōʻoia i kahi hiʻohiʻona lōʻihi a me ka hōʻoia ʻana i ka lōʻihi lōʻihi. No laila, ʻo ka chromium plating kekahi o nā kaʻina hana lapaʻau maʻamau maʻamau.