Nā kikoʻī o ka ʻōpala: lāʻau
Kikoʻī Hoʻouna: 2
Hiʻohiʻona hoʻokahi: Ka mālama wela
I nā lako hana wela, ua koho ʻia nā mea hoʻolaha kōkua like ʻole i ke kiʻekiʻe o ka mahana e hoʻomaikaʻi i ke ʻano o nā ʻāpana a pēlā e hoʻomaikaʻi ai i nā waiwai kino.
Hiʻohiʻona ʻelua: Carburizing a me Quenching
ʻO ka carburizing a me ka quenching, i loko o nā lako hana wela, e hoʻohui i ka medium carbon-loaʻa i ka ʻili o nā ʻāpana e hoʻomaikaʻi i ka ikaika a me ke kūpaʻa o ke kaulahao
Hiʻohiʻona ʻekolu: Shot Peening Phosphating
E hoʻokomo i nā ʻāpana i loko o kahi hopena phosphating ma kekahi mahana, a e hoʻohana i ka ʻili o nā ʻāpana e hana i kahi papa phosphating e hoʻomaikaʻi i ke ʻano o ke kaulahao a hoʻokō i ke kumu o ka anti-corrosion.
Hiʻohiʻona ʻehā: Nickel-plated zinc-plated
Hoʻohana ʻia ke ʻano o ka uhi ʻana i ka nickel a i ʻole ke galvanizing e hana i kahi papa galvanized a i ʻole nickel-plated ma luna o ka ʻili. Ma muli o ka hiki ke hoʻomaikaʻi ʻia ka ikaika o ke kaulahao a hiki ke hoʻokō i ka anti-corrosion, kūpono nā kaulahao ikaika kiʻekiʻe no nā hanana waho.
ʻO ka mua: ua kinai maikaʻi ʻia kā mākou mau kaulahao a hana ʻia me ka mea 40MN, he mea paʻa a lōʻihi hoʻi.
Hana ʻia ke kaulahao maʻamau i ka mea A3, maʻalahi e uhaʻi, ʻaʻole ikaika a maʻalahi hoʻi e ʻōpala.
ʻElua: Ma hope o ka mālama ʻana i ka wela, he hana maikaʻi loa kā mākou kaulahao a he paʻa ikaika.
Ma hope o ka mālama ʻia ʻana o nā hoa like maʻamau, e ʻike maopopo ʻia nā māwae i ke kūlou ʻana i 90 degere.
ʻEkolu: ʻOi aku ka mānoanoa o kā mākou pā kaulahao a he ikaika kona tensile.
He lahilahi ka papa kaulahao maʻamau o ka ʻoihana like, a he maʻalahi ke uhaʻi a hoʻopilikia i ka hana.
Inā ʻoe e ʻimi nei i ka ʻike e pili ana i ke kūʻai ʻana i ka loulou hoʻohui kaulahao o ke kaulahao wili mai ka hōʻailona Kina, e ʻoluʻolu e hoʻokaʻaʻike mai i kā mākou hale hana. ʻO mākou kekahi o nā mea hana kaulahao alakaʻi a me nā mea hoʻolako ma Kina. E ʻoluʻolu e kūʻai a kūʻai nui i kā mākou huahana kiʻekiʻe me ke kumukūʻai hoʻokūkū.