Pae Porowhita Parahi Parakore Kounga Nui – Te Āhua Pai o te Mīhini

I. Ngā Rauemi Mata me te Tukanga Whakaputa

Ngā Rauemi Mata:
He mea hanga mai i te parahi hiko tino parakore ≥99.95% (parahi katote Tau 1 mai i Shanghai, Luoyang Copper, Jinchuan rānei), me te katoa o ngā poke e whakahaeretia ana i te ≤300 ppm me te ihirangi hāora ≤10 ppm.

Te whakarewa:
Omuku whakapūmau auau-waenga + whakarewanga tonu whakapae.
Ko te rahi o te kōpura pireti he ≤0.12 mm, e whakakore ana i te wehewehe, te porosity, te whakahekenga o ngā kōhao, me ētahi atu hapa e pā ana ki ngā tikanga whakarewanga tonu ki runga tuku iho.

Te Whakaputa Wera:
Pēhi whakaputa waipēhi 3500T–5000T, ōwehenga whakaputa 25–35:1, hanga kotahi-pere.
Paparanga waikura mata ≤0.03 mm, ka taea te whakahaere i te manawanui ā-ahu i roto i te ±0.10 mm.

Te Tuhi Makariri Maha-haere + Te Whakamahana Waenga:
Te whakaiti katoa i te mahi makariri ≥95%.
I mahia te whakamahana i roto i te oumu whakamahana kanapa momo-pere i raro i te tiakitanga hauota katoa puta noa i te tukanga, kia mōhio ai kei te kore te hua kua oti i te whakarerekētanga o te waikura me ngā mōrearea o te pakaru o roto i te ahotea.

Te whakaotinga:
Te whakakotahitanga o te tuhi-whakatikatika + te whakamātautau kore-whakangaro rua (au hurihuri + tirotiro ultrasonic).
Te taratara o te mata Ra ≤0.8 μm, te tika ≤0.5 mm/m.

II. Pūnaha Whakahaere Kounga

Whakahaere Puranga Tukanga-katoa:
Mai i te pereti parahi katote → te pereki whakarewa → te tokotoko i whakaputaia → te hua kua oti, ka puritia ngā tauira ā-tinana i ia wāhanga tukanga, me ngā pūrongo whakamātautau tirotiro, miihini, me te kawe hiko. Ka puritia te whai i te katoa mō te ≥5 tau.

Ngā Āheinga Whakamātautau:
- Ine matawai tika (tātaritanga katoa o ngā huānga 26, tika o te huānga kotahi ±0.0005%)
- Te kimi i te au hurihuri aunoa + te kimi hapa ultrasonic (100% te kimi i ngā hapa he rite ki te ≥Φ0.3 mm)
- Ine i te kawe hiko aunoa (MS/m, tika ±0.1% IACS)
- Mīhini whakamātautau rauemi whānui (kaha tuku, kaha kume, roa, piko auau)

Ngā Whakatakotoranga Paerewa mō te Whakaae ki te Wheketere (ka taea te whakakaha ake i runga i ngā whakaritenga o te kirimana):
- Te ātete whānui: ±0.10 mm (awhe φ8–φ120 mm)
- Te kawe hiko: ≥58.0 MS/m (≥101% IACS)
- Toronga A: ≥40% (ngāwari te āhua)
- Rahi o te witi: ≤0.025 mm (ngāwari te āhua)
- Mata: kāhore rawa he kino ā-mīhini, he ngatata, he kiri karaka, he tae waikura rānei.