BT30 BT40 Ala wili maka

1. Hana ʻana i ka hana pololei, hana paʻa, hoʻolōʻihi pono i ke ola o ka mea paʻa mea hana a me ke kūpaʻa haʻalulu maikaʻi loa.

2. ʻO ke kūpaʻa maikaʻi, ke kūpaʻa ikaika o ka ʻaʻahu, hana ʻia ke kino me 20CrMnTi kiʻekiʻe, me ka ikaika wela kiʻekiʻe a me ke kūpaʻa oxygen, a me nā waiwai mechanical maikaʻi holoʻokoʻa, ka mālama wela piha ʻana i ka carburized, ka wili ʻana o ke anawaena o loko a me waho, ke kūpaʻa ikaika o ka ʻaʻahu, ke kūlana paʻa.

3. Ke kinai ʻana a me ka paʻakikī ʻana, ke kiʻekiʻe o ka concentricity, nā mea ʻoi aku ka maikaʻi me ke kaʻina hana kinai ʻana, ke kiʻekiʻe o ka concentricity, ka hopena hana maikaʻi, hoʻomaikaʻi i ka pono hana a hoʻolōʻihi i ke ola o ka mea hana.