,
1. Hiki i kēia mīkini ho'ākoakoa H beam kaumaha ke hana i ka H beam me ka nui nui e like me ka makemake o nā mea kūʻai, hiki i ka nui o ka kiʻekiʻe o ka pūnaewele ke hiki i ka 3 mika.
2. Ho'ohana 'ia ka 'akomi kikowaena o ka flange a me ka pūnaewele i ka ka'a hydraulic a me ka mea hana, me ka pololei o ke kikowaena ki'eki'e a me ka pa'a maika'i.
3. Hoʻolakoʻia kēia mīkini me nā mea kōkua kōkua no ka pūnaewele nui.
4. ʻO ka mea o ka huila kaomi, ka huila alakaʻi a me ka huila hoʻoili nui ʻo 40Cr, me ke kaʻina hana quenching kiʻekiʻe ma luna o ka ʻili, loaʻa nā mea maikaʻi o ke kūpaʻa abrasion maikaʻi a me ka manawa lawelawe lōʻihi.Hoʻohana ka huila hoʻoili nui i ke kaʻina hana forging integral me ke kūpaʻa paʻi maikaʻi a me ke kūpaʻa abrasion kiʻekiʻe.
5. Hoʻohana kēia mīkini i ka ʻōnaehana lubrication centralized, hiki iā ia ke hōʻoia e hiki ke hoʻomaʻamaʻa maikaʻi ʻia nā wahi lubrication ākea ākea, a hoʻomaopopo i ke kumu o ka lubrication maikaʻi, hoʻemi i ka abrasion a hoʻolōʻihi i ke ola lawelawe o nā mea hana.