He maha ngā pereti parahi kua whakahaerehia e au i ngā tau kua pahure ake nei, āte parahi whakakore waikura o te whākawa (DHP, te nuinga o te wā he C12200)He mea tino kitea tonu ina whakaurua te whakarewa ki roto i te pikitia. Mā taua tāpiritanga iti o te whākawa ka tangohia te hāora i te wā e rewa ana, ka waiho he rauemi ma, he ngāwari te whakarewa, ā, ko te mea nui rawa atu - ka taea te whakarewa me te kore he raruraru pakaru hauwai ka pā ki ngā parahi parakore. Ehara i te mea tino parakore mō te kawe hiko, engari mō te hanga tāke, whakawhiti wera, tetahi mea rānei e hiahia ana ki ngā hononga kaha, ātete turuturu, ka whakaaetia ngā pereti DHP i ngā wā katoa. I te tau 2026, me te arotahi nui ki ngā pūnaha HVAC whai hua me te hanga ahumahi pono, kei te mau tonu ēnei pereti hei hoiho mahi whai hua.
Anei aku whakaaro māmā mō ngā painga o ngā pereti parahi DHP, ngā ahumahi e whakamahi auau ana i ēnei, me pēhea te whakataurite ki ētahi atu momo parahi, me te uaua ki te whakakapi i ētahi mahi.
Kei te wātea ngā pereti parahi whakakore waikura o te whākawa – he pepa ma, papatahi, kua rite mō te hanga, te whakarewa, te hanga rānei.
He aha te mahi a ngā pereti parahi DHP?
Ka hurihia ēnei parahi mai i te parahi kua kore e waikura, ka pai te whakahaere i te matotoru me te hanganga angiangi o te kōhao:
- He tino pai te whakarewa(TIG, MIG, whakakā) kāore he porosity, he pakarukaru rānei
- Te kawe wera teiteimō te whakawhiti wera whai hua i roto i ngā whakawhiti wera, i ngā panera rānei
- He pai te āhua o te hangangamō te piko, te tā, te kukume hōhonu rānei ki roto i ngā tāke/anga
- Ātete waikura totokai roto i ngā taiao hauhautanga, wai ngawari rānei
Kei a mātou ngā rahi paerewa, pērā i ā mātoungā pereti parahi whakakore waikura o te whākawa– he turanga pai mōTe tapahi, te hanga rānei i te CNC.
Ngā Ahumahi e Whakawhirinaki ana ki a Rātou
Ka puta ngā pereti DHP ki ngā wāhi e matua ana te whakarewa me te nekehanga wera:
- HVAC me te pouaka whakamātao (ngā pereti whakawhiti wera, ngā anga whakapūmau)
- Ngā kohua ahumahi me ngā oko pēhanga
- Te tuanui me te whakakikorua whare (he roa te mau, he pai mō te patina)
- Ngā pūwhakamahana me ngā whakamatao hinu o ngā waka
- Ngā tāke tukatuka matū (ngā mea waikura ngawari)
Tata ki ngā huihuinga parahi kua hangaia e hiahia ana ki ngā hononga pono.
Te Whakatairite i a Rātou – Me te Take e Kore ai e Taea te Whakakapi
Ki te whakataurite ki te parahi ETP (C11000, te mea tino parakore), he iti ake te kawe hiko o te DHP (tata ki te 85–95% IACS vs 101%) engari he pai ake te kaha whakarewa – ka pāngia te ETP e te mate hauwai, ka pakaru i te wā e whakawera ana, e whakamahia ana rānei. He parakore ake te parahi kore-hāora (OFHC) engari he utu nui ake, ā, kei te tūpono tonu ngā raruraru me te kore e tangohia te waikura. Ka tāpirihia e ngā parahi whakarewa pērā i te parahi te kaha engari ka heke te kawe hiko, ka whakarerekē i te whanonga waikura.
Ko te taha tūturu:mā te toenga o te whākawa e whakarite kia pakari ngā hononga me ngā hononga kua whakapūmautia,me te pupuri i te mahi wera kia tata ki te parahi parakore.
Ngāna ki te whakawhiti? Mō ngā mea hanga whakarewa pērā i ngā whakawhiti wera, i ngā tāke rānei, ka ngaro te kawe hiko/whakawhiti wera i ngā momo kē atu pērā i te konumohe, ka heke te utu me te taumaha o te kowiri tira, ka tūpono rānei te pakaru o te whakarewa parahi parakore. I roto i ngā tono e hiahia ana kia āraihia te turuturu o ngā whakarewa me te rere wera pai i roto i ngā tau maha o te mahi, ko ngā pereti DHP te mea haumaru, kua whakamātauhia – ko te tikanga o te whakawhiti he whakahou anō, he whakamātautau anō, he mōrearea huna rānei mō te pono.
He aha ngā mea kei mua i ngā pereti parahi DHP
I te whakawhāititanga o ngā ture whakahaere pūngao, kei te nui haere te aro ki ngā rōra angiangi ake, kounga teitei hoki mō ngā whakawhiti kiato.
Mena kei te hanga koe i tētahi mea e hiahia ana kia whakarewahia, me te kore e uaua te mahi, tirohia ā mātouPūtake pereti parahi DHP or karanga mai ki a mātou– kua kite mātou i a ia e whakaoti ana i ngā take maha i te papa o te toa.
Ahakoa ehara ngā pereti DHP i te parahi parakore rawa atu, engari ka oti pai te mahi i te wāhi e tika ana.
Wā tuku: Hanuere-19-2026