He rite te pouaka miihini ki te "roro" o te motuka, e neke atamai ana i waenga i ngā taputapu hei āwhina i te motuka kia tere ake te haere, kia penapena rānei i te wahie. Ki te kore, e kore e taea e ā tātou motuka te "neke taputapu" hei whakapai ake i te pai o te mahi ina hiahiatia.
1. Koki Pēhanga
Hei pupuri i te putanga mana ōrite, me noho tonu te kaha (F). Ina whakanuia te koki pēhanga (α), me piki ake hoki te kaha noa (Fn) e pā ana ki te mata o te niho. Mā tēnei whakanuinga ka whakanui ake i te piko me ngā kaha honohono i runga i te mata o te niho, me ngā kaha waku, ka piki ake ai ngā taumata wiri me te haruru. Ahakoa kāore te hapa tawhiti pokapū taputapu e pā ki te hononga tika o ngā kōtaha niho kua uru, ko te rerekētanga o tēnei tawhiti ka puta he huringa auau i roto i te koki pēhanga mahi.
2. Tūponotanga
I te wā e tukuna ana te kawenga, ka rerekē te āhua o ngā niho taputapu. Nō reira, i te wā e mau ana, e wetewete ana hoki, ka puta he nekehanga mau i te rārangi mau, ka hua ake he wiri hurihuri me te haruru.
3. Te Tika o te Taputapu
Ka pāngia te taumata haruru o ngā taputapu e tō rātou tika. Nō reira, ko te rautaki matua mō te whakaiti i te haruru o te motuka taputapu ko te whakapai ake i te tika o te taputapu. Kāore e whai hua ngā ngana ki te whakaiti i te haruru i roto i ngā taputapu he iti te tika. I roto i ngā hapa takitahi, ko ngā mea tino nui e rua ko te teitei o te niho (te turanga, te taha rānei) me te āhua o te niho.
4. Ngā Tawhā Taputapu me te Hanganga
Ko ngā tawhā whirihoranga taputapu ko te diameter o te taputapu, te whānui o ngā niho, me te hoahoa hanganga o te niho para.
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Wā tuku: Mei-15-2024