Ripanga Pūhiko DTH: Ngā Whakatauira Tūmatawhiti mō te Wehi me te Mōhiohaere Matua

Tūhono ki ahau ina whakawā koe i ngā take matua!

Ngā Kāwai Katoa

pū dth

Kei te whakamahia te kōwhatu pūtake DTH hei whakangungu i tētahi whakaawenga hiranga ki roto i te hanga whakapā, e hanga ana hei whakarite i ngā momo whenua e pai ana. Kua whakaaetia tēnei taputapu whakapā hei whakangungu i ngā momo whenua me te pai rawa o te mahi whakapā. E āhei ana tēnei taputapu whakapā ki te whakapai i tana whakatupu me te hanga pūnaha matika, e āhuatia ana e ngā pū karerae tungsten i waenganui i tana mata hei whakapai i te hīkoi o te whakangungu. Kei te mahi mōhio i te rangitaki pneumatic down-the-hole, ka tukuna e te kōwhatu pūtake i ngā pūngao whakapā ki runga i te kanohi whenua, nō reira ka hanga ngā hīkoi whakapā pai ki te whakapiki i ngā whatu koreka. Kua hangaia tēnei kōwhatu me ngā pūnaha whakaroto pai hei tirotiro i ngā rereke whakapā me te whakarite i te wāhi pai o te urupa ki waho i te mahi. Nā ngā pū karerae matika mai i ngā tau hou kei te whakarite i te whakaeke pai me te whakapai i te haerenga whakapā, ā, e āhei ana tana tupeke kōwhaiwairua ki te whakapai i te pai o te mahi whakapā i waenganui i ngā whakaritenga koreka. He mea hanga ināianei ēnei kōwhatu hei whakarite i te pai tonu o te mahi whakapā i waenganui i ngā momo whenua rerekē, mai i te kapurangi maero ki te kapurangi ngenge, nō reira ka noho taumata moana i te hanga whenua, te hanga pūnui, te hanga whare, me ngā kaupapa whakamātau. Ko te hunga hanga he mea hou hei whakarite i te tirotiro o te whatitoka o te kōwhatu mō te wā e whakahaere ana, hei whakapai i te tirotiro whakapā me te whakaiti i te utu whakahaere katoa.

Mōhiohanga Hou

Nā ngā pere whakamataku DTH e hoa ana i te maha o ngā pai me ngā hiranga kē, ka mahi hei whiriwhiringa matua mō ētahi atu whakamahi whakamataku. Ki te whakamahia tō rātou mīhini whakapūmau, ka puta he rangitaki whakatupu nui ake i te hanganga ki te whenua i runga i ngā momo whakamataku porotētia kotahi, e whakahawe ana i ngā wā kawe tono me ngā utu noho. Noho ai ngā pere i te whakangungu i te tikanga o ngā poaka tika, he mea nui mō ēnei whakamahi e hiahia ana ki te whakatakoto tika. Ko tō rātou rautaki tuku take kei te whai mana hei whakawhanake i te take hoko hau, ka huri i te take hau kōkako ki te kaha whakamataku whenua me te itinga rawa i te take hokohoko. Ko te rautaki whakarite herehere hoki e whakamutu ana i te uruherehere o ngā pere, ka whai mana hoki ki te tahua kore o ngā pūtake whenua, ka whai ake he oranga roa i ngā pere, ka heke hoki i te wā kore mahi. E āhei ana ēnei pere ki te whakaūnga i ngā momo whenua kē, ka noho kore whakarerekē i te whakarerekē i ngā pere whenua e kitea ana i ngā momo whenua kē. Ko te whakatūpū whakapono o ngā pere whakamataku DTH ka whai mana ki te pai ake o ngā poaka, koia nei te itinga rawa i te whakapae, he mea nui mō ēnei whakamahi e hiahia ana ki te whakatakoto tika o ngā poaka. Ka taea e rātou te mahi pai i ngā whakamahi whakamataku poaka roa, ka whai ake i te wā e mau ana i ngā rangitaki whakatupu i te paunga i ngā rahi. Ko tō rātou rautaki hoki ka whai mana ki te iti i ngā waewae i te wā mahi, ka puta he waewae iti i te whakahaere herehere me te pai ake i te wānanga o te kaiwhakahaere. Heoi anō, ko ō rātou āhuatanga whakakaha ano e whai mana ana ki te whakapai i te wehi whakamataku mō te wā e tae ana i te ao rahi o te pere, ka whai ake i te whakahaere pai me te iti i ngā huarahi whakahaere.

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Ka whakapā mai tōku kaiwhakapūmau i runga i tēnei wā.
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pū dth

Teitei ake te whanake me te whakarongo ki te mate

Teitei ake te whanake me te whakarongo ki te mate

Nā ngā pūtahi karu DTH te hanga i ngā whakauru e āheinga ana i te tūnuku nui hei mea matua, whakauruhia ana ngā hunga metallurgical hōu me ngā kaupapa horo waihanga mōhio. E ai ki ngā whakauru, ko ngā pūtahi tungsten carbide o te kahurangi matua e mau tonu ana i tō rātau rangitaki me te whiuwhiu tuatahi i roto i ngā wāhere whakamahi nui. Ko tēnei tūnuku hoki e huri ana i te oranga o te wā e taea ana te whakapakari i te hunga, heoi anō he ētahi pūtahi e taea ana te whakawehenga i te hunga mano mete i mua i te hiahia ki te whakatūhanga ano. Ko te whakatakoto mōhio o ngā hunga e pai ana ki te whiuwhiu i runga i ngā wāhi nui whiuwhiu e whai ana ki ngā mataara taeatoa, e whakaiti ana i te korenga mōhio, me te whakarite i ngā mahi pai noa i te wā o te oranga o te pūtahi. Ko tēnei tūnuku nui e whakaheke ana i ngā utu whakatūhanga kōrero, ā, e iti rawa ana i ngā wā kauwhau kawe hia nei, e hīkohia ana he utu nui i roto i ngā kaupapa whakawehenga.
Te Tautoko i te Akitu me te Ratitanga o te Pūnaha

Te Tautoko i te Akitu me te Ratitanga o te Pūnaha

Te whakawhitiwhitiā i te hanganga o ngā perehi karu DTH ka hurihia te wehi o te tūtohu kōpiko ki mua me te whakamahere whaiaro pai. Ko te whakariterite ā-wāhanga o ngā perehi tungsten carbide e whakaū ana i te wea o te tahuhu whenua, nō reira ka heke i te kaiwhakamahi take. E ai ki ngā perehi, ko ngā tauwhirotanga rīpeka hei whakatakoto i te wai kia pai ai te whakatika i te kāwā o te tūtohu me te whakaputa pai o ngā kaiwhakaeke, kia kaua e whakahoki anō i te mate kua whakaeke. Ka puta mai i tēnei wehi tuatahi te āheinga ki te torotoro ake, ahakoa e 50% rā anō te nui i runga i ngā momo tūtohu matua. Kāore te wehi nui i te whakatika i te whakatika, nā te mea ka noho pai tonu ngā perehi i te whakatika pai hoki i te whakatika pai, ahakoa i te nuinga o ngā kaiwhakahaere e tino haere ana, koia nei he pai mō ngā kaupapa me āporo iti.
Te mahi pai ki runga i ngā whakatū whenua

Te mahi pai ki runga i ngā whakatū whenua

Nā ngā pereki kō whatu DTH te whakaatu i tōna mōhiohio nui ki te whakahaere i ngā whakairo whenua rerekē, mai i ngā whenua mata hūpeke iti kia ngaro ki ngā whakairo whenua kōwhatu nui. Ko tēnei mōhiohio e whiwhi ana i te hanga ā-wheako o ngā pūtanga pūoro me te whakarite i te kaha o te pāngia. E whaihere ana ngā pereki i ngā ratonga herehere whakapiki iho i waenganui i ngā momo whenua rerekē, ka noho iti noa te hiahia ki te whakarereke i ngā pereki i te pānuitia i ngā whakairo whenua rerekē. Ka whai ake tēnei mōhiohio i tana mahi i roto i ngā wāhi wetetahi me ngā wāhi kauwera, nā te whakangungu o ōna rākau whakawhiti me te whanaketanga o tōna whatu. Ko te kikoata o te whakatūwherawhera i runga i ngā whakairo whenua hokoata ahakoa te pai o te pūrangi me te tohu pai o te pūrangi, he mea nui tēnei hei whakamahinga mo ngā kaupapa whakatūwherawhera nui, kei reira te kino o ngā whakairo whenua e kitea nei.