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

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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.

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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

i raro i te pū tūpāpaku
ihe ki te waahi
pū dth
pūtahi whakamākiri dth
kō whatu dth mo te hoko
pū kaiwhakatū me ngā pū kaiwhakaawe
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.