I roto i ngā tukanga whakaputa kirihou — ahakoa he paipa, he kōtaha, he pirepire, he paninga taura rānei — ehara i te mea ko te pāmahana me te hoahoa tīwiri tika anake te mea e hiahiatia ana kia tutuki ai te kounga hua ōrite. Ko tētahi wāhanga e warewarehia ana engari he mea nui ko te papu korehau.
I te wā e whakaputa ana i te hau, ka whakamahanahia ngā rauemi mata kirihou kia rewa. Ka tukuna e tēnei tukanga te makuku, te hau kua mau, ngā monomer, ngā oligomer, me ētahi atu matū pūngāwerewere. Mena ka noho tonu ēnei hau ki roto i te rewa, ka hangaia he mirumiru, he hapa mata (e kiia ana ko ngā "ira hiriwa"), me ngā āputa o roto. Ko te mutunga he hua ngoikore, kāore e ātaahua, e takahi ana i ngā paerewa kounga. Ka whakatauhia tēnei e te papu korehau mā te hanga i te pēhanga kino i roto i te rohe tango hau o te extruder, ka tangohia tonutia ngā poke pūngāwerewere, ā, ka whakarite kia rewa kiato, kia ōrite.
Heoi, kāore te rere o te hau i tangohia i te ma. Kei roto i te nuinga o te wā he puehu kirihou, he matūriki waro kua pakaru, he kohu hinu, tae atu ki ngā toenga piri o te pirau wera. Mena ka kumea tika ēnei poke ki roto i te papu korehau, he kino ngā hua. Ka pāngia ngā papu hurihuri e te pūnaha hinu kua purua, ā, ka mau ngā vane. Ka pāngia ngā papu tīwiri maroke e te pakaru o te rotor me te pakaru o te paninga. Ahakoa pēhea, ka tere te heke o te mahi a te papu, i roto i ngā wiki, i ngā rā rānei.
Koinei te wāhi e hiahiatia ai he papu korehau kounga teiteitātarika noho hei mea tino nui. Ina tāutahia ki waenganui i te extruder me te papu, ka hopukina e te tātari ngā matūriki totoka me ngā hau i mua i te kino o roto. Mā te pūnaha tātari kua hoahoatia tika ka tiakina ngā wāhanga neke o te papu, ka pupuri i ngā taumata korehau pumau, ā, ka roa ake te ora o te mahi.
Mō ngā kaiwhakahaere raina whakaputa, he māmā noa te kōwhiringa: te whakahaere i te mea kāore i tiakina, me te tūpono ki te pakaru pinepine o te papu, te haumi rānei kitātari tikaā, kia pai ki te whakaputa pono, tonu. He iti noa te utu o te tātari i te papu e tiakina ana e ia — engari he rerekētanga nui i waenga i te raina e raru ana me te raina e rere pai ana. Heoi anō, ko te whakaputanga pono ka tīmata me te korehau ma.
Wā tuku: Mei-05-2026
