Ko te whakamahana tētahi o ngā tukanga tino nui i roto i te mahi whakarewa me te mahi whakarewa. Mai i te hanga me te whakarewa ki te maimoatanga wera me te whakamahana, ka huri te whakamahinga wera ki te whakarewa i tōna hanganga o roto, ā, nō reira, i ōna āhuatanga ā-pūkaha me ā-tinana. Ka taea e ēnei huringa te whai hua, te whai kino rānei i runga i te pāmahana, te roa, me te tikanga whakamatao e whakamahia ana.
He mea nui te mārama ki te pānga o te wera ki te konganuku mō ngā kaihanga, ngā miihini, me te hunga katoa e mahi ana i ngā ahumahi pēnei i te hanga, te motuka, te rererangi, me te hanga taputapu. Ka whakamāramahia e tēnei tuhinga te pūtaiao kei muri i ēnei huringa, ngā tukanga maimoatanga wera rerekē, me ngā pānga ki te kaha, te pakeke, te ngāwari, me te ātete ki te waikura.
1. He aha i huri ai ngā āhuatanga o te whakamahana whakarewa
He hanganga tioata tō ngā konganuku, arā, he tauira raupapa te whakaritenga o ā rātou ngota. Ina pāngia te wera, ka kaha ake te wiri o ngā ngota, ka puta ai te whakarerekētanga o te hanganga tioata, te nekehanga o ngā nekehanga, tae atu ki ngā huringa āhua (pērā i te ferrite ki te austenite i roto i te maitai).
Ko ngā āhuatanga matua e whakatau ana i te pānga o te wera ki te konganuku:
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Te pāmahana whakamahana– Ka nui ake ngā huringa nui ka puta mai i ngā pāmahana teitei ake.
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Te Roanga o te Whakamahana– Mā te roa o te whakaaturanga ka taea te whakatutuki i ngā panonitanga kia tino mārama ake.
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Tere Whakamatao– Ka pā te tere o te whakamatao i muri i te whakamahana ki te hanganga me ngā āhuatanga whakamutunga.
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Te Hanganga o te Mea Whakarewa– He rerekē te tauhohenga a ngā momo koranu ki te wera.
2. Ngā Tukanga Maimoatanga Wera Noa
2.1 Te whakamahana
Ko te whakamahana i te konganuku ki tētahi pāmahana motuhake, ka pupuri i reira, kātahi ka āta whakamatao. Ka whakangawari tēnei tukanga i te konganuku, ka whakapai ake i te ngāwari, ā, ka whakamama i ngā ahotea o roto.
Ngā Pānga:
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Te whakaiti i te pakeketanga
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Te whakanui ake i te kaha mahi
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Te pakari ake
Ngā tono:
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Te whakarite i te pepa whakarewa mō te hanga
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Te whakahoki mai i te ngāwari i muri i te mahi matao
2.2 Te Whakaōrite
He rite te whakaōrite ki te whakamahana engari ko te whakamatao hau te mea nui, kaua ko te whakamatao puhoi i roto i te oumu. Ka puta he hanganga kakano ōrite ake, ā, ka whakanui ake i te kaha ki te whakataurite ki te whakamahana.
Ngā Pānga:
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Ngā āhuatanga miihini kua whakapaitia
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Hanganga ōrite
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He pai ake te mahi miihini
Ngā tono:
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Ngā wāhanga maitai hanganga
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Ngā wāhanga motuka
2.3 Te Whakatio
Ko te tinei te whakamatao tere o te konganuku kua wera, i roto i te wai, i te hinu, i te hau rānei. Ka whakamahia tēnei tukanga hei whakanui i te pakeketanga me te kaha.
Ngā Pānga:
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Te pakeketanga teitei
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Ka nui ake te pakarukaru mēnā kāore e whakamarokehia
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Te ngoikore o te ngohe
Ngā tono:
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Ngā taputapu tapahi
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Ngā taputapu me ngā toki
2.4 Te Whakamahana
Whai muri i te tineia ka whakamahanahia hei whakaiti i te pakarukaru me te pupuri i te pakeketanga. Ka whakamahanahia anō te konganuku ki te pāmahana iti iho, kātahi ka whakamataohia anō.
Ngā Pānga:
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Te kaha ake o te pakari
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Kua paku whakaitihia te pakeke
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He pai ake te ātete ki te ru
Ngā tono:
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Ngā Puna
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Ngā taputapu kaha-teitei
2.5 Te Whakapakari i te Take
Mā te whakapakeketanga o te pouaka ka whakapakeketia te mata o waho o te konganuku, ā, ka noho ngawari, ka pakari hoki te uho o roto. Ka tutuki tēnei mā roto i ngā tukanga pēnei i te whakakāpūhau, te whakanitiriti rānei.
Ngā Pānga:
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Mata pakari ātete-mau
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Te uho o roto pakari
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Te ātete ki te ngenge kua pai ake
Ngā tono:
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Ngā peera
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Ngā niho taputapu
3. Ngā Pānga o te Whakamahana ki ngā Āhuatanga o te Mea Whakarewa
3.1 Te pakeketanga
Ka taea e te whakamahana te whakanui, te whakaiti rānei i te pakeketanga i runga i te tukanga. Ka whakanuia te pakeketanga e te tineia, ka whakaitihia e te whakamahana.
3.2 Kaha
Ko te tikanga, ka whakapai ake te kaha mā te whakamahi i ngā maimoatanga wera e whakapai ake ana i te hanganga o te witi, pērā i te whakataurite me te tinei. Heoi, mā te wera nui ka whakaiti i te kaha nā te tipu o te witi.
3.3 Ngāwari
Ka whakapaitia te ngāwari, arā, te kaha ki te whakapēke me te kore e whati, mā te whakamahana engari ka whakaitihia mā te tinei.
3.4 Te Pakari
Ka taea te whakapai ake i te pakari, arā, te kaha ki te mimiti i te pūngao i mua i te pakaru, mā te whakamahana i muri i te tineia.
3.5 Ātete ki te Waikura
Ka taea e ētahi tukanga whakamahana, inā koa mēnā kāore i te tika te mahi, te whakaiti i te ātete ki te waikura mā te whakaputa i te waikura karāhe i roto i ngā maitai kore waikura. Mā te maimoatanga wera tika ka whakahokia mai, ka pupuri rānei i te tiakitanga waikura.
4. Ngā Huringa Hanganga Moroiti i roto i ngā Konganuku nā te Whakamahana
Ina werahia ngā konganuku, ka rerekē te hanganga moroiti. Hei tauira:
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Rino:Ka huri mai i te ferrite/pearlite ki te austenite i ngā pāmahana teitei.
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Ngā koranu konumohe:Ka rewa, ka puta rānei ngā waiwai i runga i te pāmahana, ā, ka pā tēnei ki tōna kaha.
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Ngā koranu parahi:Ka whakaitihia te kaha e te tupu o te witi engari ka whakapai ake i te kawe hiko.
Mā ēnei huringa ka whakatau te taurite whakamutunga o te mārō, te kaha, me te ngāwari o te whakarewa.
5. Ngā Mōrearea o te Whakamahana Hē
Mā te whakamahana hē i te konganuku ka arahi pea ki:
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Te wera rawa:Ka nui rawa te tupu o te witi, ka whakaiti i te kaha me te pakari.
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Te tango warowaihā:Te ngaronga o te waro mai i te mata o ngā maitai, ka whakaiti i te mārō.
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Te Whakapiko, te Whakapōturi rānei:Ka puta ngā panonitanga āhua i te kore e taurite te whakamahana me te whakamatao.
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Pakaru:Ka taea e te whakamatao tere o ētahi koranu te hanga i ngā kapiti.
6. Ngā Whakamahinga Ahumahi o ngā Konganuku i Whakamahanahia
Tauira 1: Ahumahi Motuka
Ka tukatukahia te wera ki ngā wāhanga miihini pēnei i ngā toki porowhita kia kaha ai te mau ki te ngenge.
Tauira 2: Te Hanga Utauta
Ka tineia ngā taputapu tapahi, ka whakamahanatia hoki kia koi ai ngā taha.
Tauira 3: Rererangi
He mea whakapakeke ngā wāhanga taputapu taunga ki te pouaka kia ātete ai ki te kakahu o te mata me te pakari o roto.
7. Te Whakapai Ake o te Whakamahana i te Āhua Mahi
Mō ngā tukanga hangahanga pēnei i te hanga, te hurihuri, me te whakaputanga, ka whakamahanahia ngā konganuku hei whakapai ake i tō rātou kirihou. Mā tēnei ka taea te hanga me te iti o te kaha, ā, ka whakaiti i te tūponotanga o te pakaru. Mā te mahi wera i ngā pāmahana kua whakahaeretia ka whakapai ake i te hanganga o te kōhao.
8. Te Tūranga o ngā Āhuarangi Whakahaeretia
I roto i te maha o ngā ahumahi, ka mahia te whakamahana i roto i te hau e whakahaeretia ana (pērā i te hau korehau, te korehau rānei) hei ārai i te waikura, te tauine, me te poke. He mea nui rawa tēnei mō ngā maitai kore waikura me ngā koranu mahi-teitei.
9. Whakamutunga
He nui ngā rerekētanga o ngā āhuatanga o te whakarewa i te wā e whakamahana ana, e pā ana ki te pakeke, te kaha, te ngāwari, me te ātete ki te waikura. Ahakoa he ngohengohe te whakarewa mō te hanga, he uaua ake mō te tapahi, he pakari ake rānei mō te ātete pānga, he mea nui te whakamahana hei whakatutuki i ngā hua e hiahiatia ana.
Mā te whiriwhiri i te tukanga maimoatanga wera tika, me te whakamahi i raro i ngā āhuatanga whakahaere, ka tino pai te mahi mō te tono e hiahiatia ana. Hei kaiwhakarato o te ao,sakysteele whakarato ana i ngā konganuku e tika ana mō ngā tukanga maimoatanga wera, kia rite ai te kounga me te mahi matapae i roto i ngā taiao ahumahi uaua.
Wā tuku: 14 o Ākuhata 2025