Nūhou

1. Ka laulā pili
ʻO nā noi nui opuʻu wela welaAia ka pepa ma nā kahua e like me nā kaʻa, nā mea hana hale, ka hana ʻenekinia, nā lako mīkini, nā mea uila, a me nā ʻoihana māmā.
2. ʻO ke kumu nui o ka hāʻule ʻana o ka papa zinc
ʻO nā kumu nui e hāʻule ai ka papa zinc, ʻo ia ka hana ʻana a me ka hana ʻana, a me ka hana like ʻole a me ka hana ʻana. Ma muli o ka hoʻoheheʻe ʻia ʻana o ka ʻili, nā pūhui silika, ka lewa hoʻomake nui a me ka wahi hau hau pale i ka ʻāpana NOF o nā mea maka, ka lākiō wahie ea kūpono ʻole, ka haʻahaʻa o ke kahe o ka hydrogen, ke komo ʻana o ka oxygen i loko o ka umu, ka haʻahaʻa haʻahaʻa o ke kila kila i komo i ka ipuhao. , ka wela haʻahaʻa o ka umu ʻāpana NOF, ka hoʻoheheʻe ʻana o ka ʻaila piha ʻole, ka haʻahaʻa haʻahaʻa o ka alumini i loko o ka ipu hao, ka wikiwiki o ka ʻāpana, ka hoʻemi ʻole ʻana, ka manawa noho pōkole i ka wai zinc, a me ka uhi mānoanoa. ʻO ka hoʻomaʻamaʻa ʻana i ka mismatch e pili ana i ka radius kuʻekuʻe kūʻokoʻa, ʻaʻahu ʻaʻahu, ʻokiʻoki, ʻoi aku ka nui a i ʻole ka liʻiliʻi liʻiliʻi, ka nele o ka ʻaila lubricating stamping, a me ka manawa hana lōʻihi o ka mold ʻaʻole i hoʻoponopono ʻia a mālama ʻole ʻia.
3. ʻO nā kumu nui e hoʻoulu ai i ka rust keʻokeʻo
(1) Poor passivation, lawa ole a uneven passivation film mānoanoa;
(2) ʻAʻole ʻaila ka ʻili;
(3) Ke koena o ka wai ma luna o ka ili o ke kila ʻōwili anuanu;
(4) ʻAʻole i maloʻo loa ka passivation;
(5) I ka wā o ka lawe ʻana a i ʻole ka mālama ʻana, e hoʻi mai ka makū a i ʻole ka ua e hoʻoheheʻe ʻia:
(6) He lōʻihi loa ka manawa mālama o nā huahana i hoʻopau ʻia;
(7)Pepa galvanized welapili ʻia a mālama ʻia paha me nā mea ʻino ʻē aʻe e like me nā waikawa ikaika a me nā alkalis.
Hiki ke ulu aʻe ka ʻeleʻele keʻokeʻo i mau kiko ʻeleʻele, akā ʻaʻole hiki ke kumu wale ʻia nā kiko ʻeleʻele e ka ʻele keʻokeʻo, e like me nā kiko ʻeleʻele friction.
4. Ka lōʻihi o ka mālama ʻana i ʻae ʻia
Inā hana ʻia ka ʻaila, ka paʻi, ka hale kūʻai, a me ka logistic i ka manawa kūpono, hiki ke mālama ʻia kekahi mau huahana no hoʻokahi makahiki, akā ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ʻekolu mahina. Inā ʻaʻohe ʻaila, ʻoi aku ka pōkole o ka manawa e pale ai i ka hoʻoheheʻe ʻana o ka ea ma muli o ka mālama ʻana no ka lōʻihi loa. Pono e hoʻopaʻa ʻia ka manawa mālama maoli i ka huahana i kūpono i ka huahana maoli.
5. Nā Kuʻuna Kumu o ka mālama ʻana i ka Layer Zinc
I loko o nā kaiapuni kūlohelohe, ʻoi aku ka zinc i ka diffuse corrosion ma luna o ke kila, no laila e mālama ai i ke kumu kila. Ma ke ʻano o ka pale ʻana i ka corrosion, e hana ka papa zinc i kahi kiʻiʻoniʻoni pale mai ka maloʻo e pale i ka hoʻoheheʻe ʻana o ka ea wikiwiki, e hoʻolōʻihi i ka nui o ka corrosion, a hiki ke hoʻopaʻa ʻia me ka pena zinc pauka i ka wā o ka mālama ʻana e pale i ka ʻino kila a hōʻoia i nā waiwai kino a ʻano palekana o ka ʻikepili.
6. Nā Kumu Kumu o ka Passivation
Hiki i ka Chromium trioxide passivation solution no ka pepa galvanized wela ke hana i ke kiʻi ʻoniʻoni bele. He paʻakikī ka hoʻoheheʻe ʻana i ka chromium trivalent i loko o ka ʻohana passivation saturated solution i ka wai maloʻo, ʻaʻole ʻālohilohi kona mau kino kino, a he hopena framing. ʻO ka hexavalent chromium i loko o ka ʻohana passivation e hoʻoheheʻe ʻia i kahi electrolyte ikaika, hiki ke loaʻa i ka hopena bele i ka wā e ʻoki ʻia ai ke kiʻi passivation, a loaʻa iā ia ka hopena ho'ōla o ke kiʻi ʻoniʻoni bele. No laila, i kekahi ʻano, hiki i ke kiʻi passivation ke pale i ka mahu a i ʻole ke kinoea anuanu mai ka corroding koke i ka pepa galvanized wela, e pāʻani ana i kahi hana mālama.
7. Ke ano o ka corrosion kū'ē hana
ʻEkolu mau ala e hoʻāʻo ai i ka pale ʻana o ka corrosionnā pepa galvanized wela:
(1) Ho'āʻo paʻakai paʻakai; (2) ʻO ka hoʻokolohua pulu anu; (3) Nā hoʻokolohua ʻino.