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Ngā Āhuatanga
Rauemi: konumohe koranu i pēhia.
Hangarau tukatuka: mā te ara tukatuka tika ka maeneene te piko o te mata o te ngongo whakarewa.
Hoahoa: he pai te whakamahi i te kakau rapa, ā, he mārama te mata.
Whakaaturanga Hua
Tono
Ko te piko ngongo tētahi o ngā taputapu piko, ā, he taputapu motuhake mō te piko i ngā paipa parahi. He pai mō te whakamahi i ngā paipa konumohe-kirihou, ngā paipa parahi me ētahi atu paipa, kia taea ai te piko marie, maeneene, me te tere o ngā paipa. He taputapu tino nui te piko ngongo ā-ringa e whakamahia whānuitia ana i roto i ngā momo ahumahi pēnei i te hanga, ngā wāhanga motuka, te ahuwhenua, te hauhautanga me te ahumahi hiko. He pai mō ngā paipa parahi me ngā paipa konumohe he rerekē ngā diameter piko.
Tohutohu Whakahaere/Tikanga Whakahaere
Tuatahi, whakawerahia te wāhanga piko o te paipa parahi, whakauruhia te paipa parahi ki roto i te awaawa i waenganui i te roera me te wira ārahi, ka whakapiri i te paipa parahi ki te tīwiri whakamau.
Kātahi ka hurihia te rīwhi nekeneke ki te taha matau, ā, ka piko te paipa parahi ki te āhua e hiahiatia ana i roto i te awaawa ārahi o te roera me te wira ārahi.
Whakakapia ngā wira ārahi ki ngā radius rerekē hei piko i ngā paipa me ngā piko rerekē. Heoi, kaua te radius piko o te paipa parahi e iti iho i te toru ngā wā o te diameter o te paipa parahi, ki te kore ka rerekē te āhua o te kōhao o roto o te wāhanga piko o te paipa parahi.
Ngā Whakatūpato
Ka piki ake te kaha o te pikinga o ngā paipa o ngā rauemi katoa i muri i te otinga o te mahi piko. He iti ake te pikinga o te pikinga o ngā paipa rauemi ngohengohe (pērā i ngā paipa parahi) i ērā o ngā paipa rauemi mārō (pērā i ngā paipa kowiri tira). Nō reira, e ai ki ngā wheako, e taunakihia ana kia waihotia he nui o te utu pikinga o te paipa i te wā e piko ana, tata ki te 1° ~ 3° te nuinga, i runga i te rauemi me te pakeke o te paipa.
