Ngā taputapu maha-mahi mō te mahi a te mīhini iti-tara
He mata parau whenua maroke motuhake tēnei hua, i hangaia hei whakamahi me ngā mīhini parau whenua iti. He wāhanga matua e tika ana mō ngā taiao oneone ngoikore pēnei i te whenua maroke, te whenua onepu, te whenua koraha, me ngā whare kati kōtuhi. Hei aro ki te āhua pakeke me te kikī o ngā oneone whenua maroke, ka whakamahia e tēnei mata he hoahoa mīhini motuhake, ā, he mea hanga ki ngā rauemi kaha. Ko tana kaupapa he whakatutuki i te whakaritenga pai rawa atu o te moenga purapura mā te hurihuri tere hei wawahi i ngā poraka oneone, te tango i ngā taru, me te whakataurite i te whenua.
Mō ngā rauemi, he mea hanga te maripi whenua maroke mai i ngā maitai koranu kounga teitei pērā i te maitai manganese 65Mn, te maitai puna 60Si2Mn rānei, kia tino pakari ai, kia ātete ai hoki ki te kakahu. Ka whakamahia e te tukanga hanga he hangarau hanga mate matatau, kia mau tonu ai te hanganga muka o roto o te konganuku. Mā te maimoatanga wera whānui, wāhanga rānei e whai ake nei ka whakahaere i te pakeke o te kakau ki te HRC38-45 (me te pupuri tonu i te pakari hei ārai i te whati), ko te mata tonu he pakeke ake hei pupuri i te koi. Mā tēnei ka roa te ora o te mata i raro i te mahi taumaha, ā, ka ātete ki te kakahu kino ahakoa kei te mahi i roto i te oneone he iti noa te onepu me te kirikiri.
Ko ngā mata o te whenua maroke he hoahoa mata piko. Ehara i te mea ka whakaiti noa i te ātete mahi tēnei āhua piko engari ka maka hoki te oneone tapatapahi ki muri i te wā hurihuri, ka tutuki ai te pakaru tuarua o ngā poraka oneone. Mō te whenua maroke he nui te kakau witi, ko ētahi mata pai ake he niho ārai-raruraru, he mata tapahi rānei. Ka tapahia pai e ēnei ngā taru me ngā toenga hua i te wā e tapahia ana te oneone, ka ārai i te kakau witi kei raruraru i te kakau o te mata, ā, ka karo hoki i te aukati me te paheke o te mīhini nā te raruraru o te kakau witi. Ka whakapai ake tēnei i te pai o te mahi me te ngāwari o te nekeneke.
He rerekē ngā whakaritenga o ngā hua, me ngā radius mahi noa mai i te 225mm ki te 240mm. He taumaha taurite ia mata, ā, he hanganga kiato. Ko te wāhi whakairinga o te pupuri mata he mea whakanoho tika ki roto i ngā kōhao, me te tawhiti o ngā kōhao tata ki te 70mm, e whakauru ana i ngā pūtu 10.5mm, 11mm rānei hei whakarite i te hononga haumaru ki te roera mata o te parau. Mō te maimoatanga mata, hei tāpiri atu ki te paninga ārai-waikura, ka taea te whakarite i ngā paninga tae rerekē pērā i te whero, te mangu, te kikorangi rānei kia rite ki ngā hiahia o te kaiwhakamahi, me te whakakotahi i te aukati waikura me te āhua ritenga.
Ko tēnei raupapa o ngā mīhini ngaki whenua maroke e tino hototahi ana ki ngā mīhini ngaki moroiti me ngā mīhini ngaki raupapa 1WG. Ko ngā whirihoranga noa ko te ngaki mata-toru, mata-whā, mata-whā rānei, mata-whā, me te hohonutanga ngaki o te 200-300mm me te whānui ngaki o te 900-1000mm. He whānui te whakamahinga mō te whakatipu huawhenua, te whakatipu putiputi, te whakato tupeka, me te whakaora whenua pāmu i ngā wāhi maunga me ngā pukepuke, he taputapu pai hei whakakapi i ngā parau tuku iho e kumea ana e te kau, me te whakatutuki i ngā mahi ahuwhenua mīhini.
