He tukanga uaua, he tukanga tino tika hoki te tukanga hanga i ngā irahiko karāhe, e uru ana ki ngā mahi nui maha, ā, he nui te pānga o ia mahi ki te kounga me te mahi o te hua whakamutunga. Kei raro nei ngā mahi matua o te tukanga hanga i ngā irahiko karāhe:
Te Kōwhiringa Rauemi Mata me te Maimoatanga i mua:
- Kōwhiringa Rauemi Mata: Ko ngā rauemi mata matua mō ngā irahiko karāpiti ko te kōka hinu, te kōka ngira, me te papa tāra waro. Ko te kōka hinu, i ahu mai i te whakawera i ngā toenga hinu me te uku, he iti te nui o te pungarehu; ko te kōka ngira, e tohuhia ana e tōna kakano muka me te iti o te tauwehenga o te whakawhānui wera, he mea nui mō te hanga i ngā irahiko karāpiti mana-teitei, mana-tino-teitei rānei; ko te papa tāra waro hei here.
- Te Maimoatanga i mua: Ka whakapūkaratia ngā rauemi mata hei whakakore i te makuku me ngā matū pūngāwerewere, hei whakarei ake i ō rātou āhuatanga ā-tinana, ā-matū hoki. Ko te pāmahana whakapūkara ka whakahaeretia i waenga i te 1250-1350°C kia tutuki ai ngā paerewa kounga teitei i ngā rauemi mata.
Te kuru, te huri, me te tātari:
Ka kuruhia, ka hurihia, ka tātarihia ngā rauemi mata kua whakapūkaratia kia puta ai he matūriki wheua me te paura e rite ana ki te rahi e hiahiatia ana. He mea nui tēnei mahi mō ngā tukanga whakaranu me te whakaranu i muri mai, kia rite ai, kia ōrite ai hoki ngā rauemi mata.
Te Whakaranu me te Whakaranu:
- Te Whakaranu: I runga i ngā whakaritenga o te hua, ka whakaranua ngā rauemi mata kua tīpakohia ki ngā ōwehenga motuhake kia tutuki ai te mahi e hiahiatia ana. He mea nui te ine me te whakahaere tika i te wā e whakaranu ana kia mau tonu ai te kounga o te hua whakamutunga.
- Te Whakaranu: Ka whakaranua pai ngā rauemi mata kua whakaranua, ka pokepokea kia hanga he ranunga ōrite. Ka whakahaerehia te pāmahana me te wā i te wā e whakaranua ana kia tika ai te whakaranu me te ngāwari e hiahiatia ana o ngā rauemi mata.
Te whakakoi:
Ka pēhia te rauemi kua pokepokea hei hanga i te āhua tuatahi o te hiko karāpeti. Me whakahaere tika te pēhanga me te pāmahana i te wā e whakahāngai ana kia tika ai te āhua me te rahi o te hua. Ko ngā tikanga whakahāngai ko te pēhi i te mate, te whakaputa, me te whakahāngai wiri, i tīpakohia i runga i te momo hua me ngā whakaritenga.
Te tunu:
Ka tukuna te whakamahana wera ki te hiko karāti kua whakarewahia kia pumau ai tōna hanganga. I te wā e tunua ana, ka kōkō te papa waro i roto i te tinana matomato, ka puta ngā mea whakakorikori, me te whakaheke i te rōrahi me te ngaronga o te papatipu. Ka whakaatuhia e te hiko kua tunua ngā āhuatanga ā-tinana me te matū kua tino pai ake, pērā i te whakaiti i te kiato papatipu, te whakaiti i te ātete hiko, me te whakapakari i te kaha ā-pūkaha.
Te whakakī (Whiringa):
Mō ngā irahiko he nui ngā whakaritenga mō te matotoru o te papatipu, me whai maimoatanga whakakīkī. Ko te whāinga o te whakakīkī he whakaiti i te porosity o te hua, he whakanui ake i tōna matotoru me te kaha ā-pūkaha, me te whakapai ake i tōna kawe hiko me te wera. Ko ngā tawhā pēnei i te pāmahana whakamahana, te wā korehau, te pāmahana werohanga uku, me te pēhanga ka whakahaeretia i te wā e whakakīkī ana.
Te whakairoiro:
Ka tukatukahia te hiko i ngā pāmahana teitei ake hei huri i te hanganga o te rauemi waro hei hanganga karaihe karāhe, hei whakarei ake i tōna kawe hiko me te ātete wera. Ka whakahaerehia te pāmahana me te wā i te wā o te whakakārāhe kia tutuki ai te hiko i te taumata whakakārāhe e hiahiatia ana. Ka whakaatuhia e te hiko kua whakakārāhe he iti ake te ātete hiko me te kawe hiko kua pai ake.
Mīhini:
Ka tukatukahia te hiko kua whakakāwhatia, tae atu ki te keri, te huri, te whakaoti i te pito-mata, te mira miro, me ngā mahi pēnei i te tapahi, te whakawhāiti i te pito-mata, te huri whakarara, me te keri mō ngā hononga. Me tino whakahaere te tika o te mahi miihini me te kounga o te mata i te wā e tukatukahia ana kia tika ai te āhua me te mahi o te hiko.
Te Tirotiro me te Tākai:
Ka tirotirohia whānuitia te hiko kua oti, tae atu ki ngā tawhā pēnei i te tika, te taumaha, te roa, te whānui, te matotoru, te ātete hiko, me te tika o te taunga i mua i te huihuinga. I muri i te tirotiro, ka tākaihia te hiko mō te kawe me te penapena.
Wā tuku: Hurae-14-2025