Roera Ukume Alumina
Ngā roera uku aluminahe hua uku ahumahi mahi-teitei te nuinga he mea hanga ki te alumina (Al₂O₃), ā, he wāhanga matua o ngā oumu roera pāmahana-tiketike hou. He mea hanga ki te alumina parakore-tiketike mā te pēhi isostatic me te sintering pāmahana-tiketike, e whakamanamana ana tā mātou tokotoko roera ki te ātete pāmahana-tiketike pai rawa atu, te ātete kakahu me te pumau o te ru wera. Ka tukuna e mātou he whakaritenga whānui hei whakatutuki i ngā hiahia whaiaro o ngā ahumahi me ngā taputapu rerekē.
Ngā Whakatakotoranga Paerewa me te Whakaritenga:
Kei raro nei ngā whakaritenga paerewa; kei te wātea te whakaritenga katoa i runga i ō tawhā, tuhi, hiahia oumu/whakaputa rānei:
1. Te Ihirangi Arumina:92%/95%/99% (ka taea te whakarite 85%–99.5%)
2. Te whānui o waho:12–100mm (noa 12-80mm, ka taea te whakarite 10–150mm, ka taea te whakarite i te manawanui)
3. Roa:500–6000mm (1200-5300mm noa, 300–6000mm whakarite, e wātea ana te hononga roa rawa atu)
4. Te mimiti wai:3–6% (ka taea te whakarite ≤2%, ngā whakaritenga motuhake rānei)
5. Kaha Piko:60–100MPa (ka taea te whakarite ki te 150MPa)
6. Momo:Totoka/Pūrua (pūrua: matotoru pakitara/pūrua o roto ka taea te whakarite)
7. Ētahi atu Whakaritenga:Te maimoatanga mata, te hanganga pito, te ōwehenga rauemi motuhake mō ngā āhuatanga tino kino.
Ngā Āhuatanga o te Hua:
1. Ātete Pai rawa atu ki te Pāmahana Teitei:Te pāmahana whakahaere mōrahi tae atu ki te 1600℃, te ātete ≥1750℃, te pumau i te pāmahana teitei me te kore e whakarerekē; he tino pono te pumau pāmahana me te ātete pai ki ngā ru wera mō ngā hua e tahuna ana tae atu ki te 1400℃.
2. Teitei o te Pakari me te Ātete ki te Mau:Ko te pakeke o Rockwell HRA80-90 (tuarua ki te taimana anake), ko te pakeke o Mohs ≥9; ko te ātete ki te kakahu he 266 ngā wā i te maitai manganese me te 171.5 ngā wā i te rino maka konupora-tiketike, e whakaroa ana i te ora o ngā taputapu kia tekau ngā wā, ā, e whakaiti ana i te wā kore mahi me ngā utu.
3. Te Pūmautanga o te Ru Wera Pai Rawa:He iti te horapa wera, he ātete ki te tere whakamahana/whakamatao, kāore e ngawari ki te pakaru.
4. Te Pūmautanga Matū Pai:Ātete ki te waikura i te waikawa/kawakawa/kirikiri, kāore e pāngia ngā hua tukatuka.
5. Mata Maeneene me te Tika Teitei:Te huri tika (Ra ≤1.6μm), te mahi pumau, kāore he karawarawa (ka taea te whakarite i te tika).
6. Te Mārama me te Penapena Pūngao:Te mātotorutanga 3.5–3.8 karamu/cm³ (3.6 karamu/cm³ te paerewa, he haurua noa iho i te mātotorutanga o te maitai), ka tino whakaiti i te kawenga o ngā taputapu me te whakaroa i te roa o te ora o ngā taputapu.
| Rārangi Hangarau | G98 | G96 | A95 | A93 | V93 | V90 | H95 |
| Te mimiti wai | 3-5 | 4-6 | 4.5-7.5 | 5-8 | 6-8 | 6.5-8.5 | 5.5-7.5 |
| Kaha Piko (Pamahana Rūma) | 65-78 | 60-75 | 60-70 | 55-65 | 50-65 | 50-65 | 60-70 |
| Kaha Piko (Pāmahana 1350) | 55-70 | 50-65 | 48-60 | 45-55 | 40-55 | 40-55 | 50-65 |
| Te Kīanga Papatipu | 2.9-3.1 | 2.7-2.9 | 2.6-2.8 | 2.5-2.7 | 2.45-2.65 | 2.4-2.6 | 2.65-2.85 |
| Tauwehenga o te Whakawhanuitanga Wera | 6.0-6.4 | 6.0-6.4 | 6.0-6.5 | 6.0-6.5 | 6.0-6.5 | 6.0-6.5 | 6.0-6.5 |
| Ātete Ru Wera | Tino Pai | Tino Pai | Tino Pai | Tino Pai | Tino Pai | Tino Pai | Tino Pai |
| Te pāmahana whakahaere mōrahi | 1400 | 1350 | 1300 | 1300 | 1250 | 1250 | 1300 |
| Ihirangi Arumina (%) | 79 | 78 | 77 | 76 | 75 | 75 | 77 |
Ngā tono matua:
1. Ahumahi Uku: Ngā taera pakitara/papa, ngā uku horoi/whakamahinga o ia rā, ngā taera oro, ngā pereti nunui
2. Ahumahi Karāhe: Te whakamahana karāhe, ngā oumu whakamahana
3. Te Whakarewa me te Maimoatanga Wera: Ngā raina kawe pāmahana-tiketike
4. Pūngao Hou: Ngā oumu whakakā hiko pai/kino
5. Ētahi atu: Taputapu matū pāmahana-tiketike, oumu wāhanga hiko (ka taea te whakarite mō ētahi atu mara)
Ngā Whakatūpato Whakamahinga:
1. Me whakakī ngā kōhao o roto i ngā pito e rua o te roera ki te miro muka ātete.
2. Me pania he paninga tiaki i mua i te urunga ki roto i te oumu, ā, me tuku kia maroke rawa.
3. I te wā e whakamahia ana, me horoi tonu te mata o te mata.
4. I te wā e whakakapi ana i ngā roera, kia aro ki te tere me te tikanga whakamatao kia kore ai e kino i te tere o te whakamahana, te whakamatao rānei.
Ngā Pātai Auau
Me āwhina koe? Tirohia ā mātou wānanga tautoko mō ngā whakautu ki ō pātai!
He kaihanga tūturu mātou, he tohunga tā mātou wheketere ki te whakaputa rauemi ātete ahi mō ngā tau neke atu i te 30. Ka oati mātou ki te whakarato i te utu pai rawa atu, te ratonga pai rawa atu i mua i te hoko me muri i te hoko.
Mō ia tukanga whakaputa, he pūnaha QC katoa tā te RBT mō te hanganga matū me ngā āhuatanga ā-tinana. Ā, ka whakamatautauria e mātou ngā taonga, ā, ka tukuna atu te tiwhikete kounga me ngā taonga. Mena he whakaritenga motuhake āu, ka whakapau kaha mātou ki te whakatutuki i aua whakaritenga.
He rerekē te wā tuku i runga i te rahinga. Engari ka oati mātou ki te tuku wawe tonu me te kounga kua oti te whakapūmau.
Ko te tikanga, ka tukuna e mātou he tauira kore utu.
Āe, he pono, nau mai haere mai ki te toro mai ki te kamupene RBT me ā mātou hua.
Kāore he rohe, ka taea e mātou te whakarato i te whakaaro me te otinga pai rawa atu e ai ki tō āhuatanga.
Neke atu i te 30 tau mātou e hanga ana i ngā rauemi ātete ahi, he kaha te tautoko hangarau me te nui o ngā wheako, ka taea e mātou te āwhina i ngā kiritaki ki te hoahoa i ngā oumu rerekē me te whakarato ratonga kotahi-mutu.
