Pūtahi Hīkoi DTH Whakarite: Ngā Whakaeke Hīkoi Matua mō te Waihanga Kaitohu Nui

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pū kaiwhakarato dth me ngā bit

Nā ngā pū kōwhaiwhai DTH i whakamahia te tūhura huarahi matua ki te hanga i ngā whakaritenga whakamua mō te tūhura, e whakapakiri ana i te whiuwhiu me te waenganui i runga i ngā mahi raro whenua. E ai ki ngā taputapu āhuarangi nei, kei runga i ōna kauwhau katoa ngā kōwhaiwhai tungsten carbide, hei whakatetere me te whakatupu i ngā tahuhu whenua i te wā o te tūhura. E mahi ana ngā kōwhaiwhai i runga i ngā pū down-the-hole, e whakamahi ana i ngā mahi whitiwhiti me ngā mahi pakipaki ki te whiwhi i ngā ratonga pai rawa o te whakapiki. Ko tō rātou hanga whiuwhiu ka whakauru noa i ngā tinana aha o ngā toko steel, me ngā kauwhau kōwhaiwhai e hanga ana ki te whakapai i te mahi tūhura, ahakoa te wehi o te whakahaere. Nō reira, ka hangaia ngā kōwhaiwhai i te tungsten carbide pai rawa, e takohia ana ki te whiuwhiu me te wehi o te pakipaki. Kei roto i ngā rahi katoa ngā kōwhaiwhai, e āheinga ana mai i te 2 inches ki runga atu i te 24 inches i te uiui, hei whakarite i ngā hiahia tūhura katoa. Ko te hanga he tirohanga pai rawa mō ngā ara whakawehewehe kōwhatu e taea ai te motu i ngā kōwhatu tūhura me te whakahaere pai o te waewae waimāori i te wā o te mahi. Ki te kōrero mō ngā pū kōwhaiwhai DTH o nāianei, ko te mea nui kei raro i ngā whakaaetanga pai ake, pēnei i te tiaki gauge whakamaharatanga, ngā rārangi kōwhaiwhai whakapai, me ngā hanga waewae pai e hāngai ana ki te oranga roa o te tūnga me te whakapai i te mahi tūhura.

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Nā ngā pū kōwhaiwhai DTH i whakamahia he maha ngā hiranga pai kei raro i a rātou, e mahi ana i te whakatū tūrua. Tuatahi, ka tukuna e rātou i te āhuatanga pai rawa atu i te take wāhanga matua, inaianei i roto i ngā whenua kōhatu nui. Ko tēnei whanonga pai tuatahitia ki te wā e tūrua nei me te utu opeke iti iho. Ka whakaatu ngā pū i tēnei whanonga pai, ko ngā momo whakahaere pai ka taea te tūrua i te mano o ngā mita mō ēnei pū i mua i te hiahia ki te whakapākehā. Ko tō rātou hoahoa e whakaae ana ki te tūrua pū i raro i te pūtake, me te itinga i te whakawehenga, e tirotiro ana i ngā ara pai. Nō te mea ko ngā pū karuhī tungsten carbide ka noho tōnū tonu i ō rātou pū karuwai pai rawa atu i ngā pū matua, e hia顿ngia ana te whai wā i runga i te wānga tūrua o te pū. E pai tonu ana ngā pū i te tūrua i te wāhanga kauwāhi me te tūrua wai, e whakamana ana i te whakarite i ngā huringa hiranga o ngā kaupapa. Ko tō rātou hāpori whakakore pū kōwhaiwhai e whakaiti ana i te hiahia o te pū ki te pakaru, me te whakaiti i te hokoiti o te hunga whakapākehā, e whakaiti ana i te wā e noho kore utu ana. Ko ngā pū e mahi ana i te kawe iti i te haere o te take wāhanga ki ngā momo tūrua kē, e whakamahina ana i te paihere wai, me te itinga i te āhuatanga taiao. He pai rawa hoki te whakarite i ngā huringa whenua, e noho tōnū ana i te whai wā i waenganui i ngā huringa kōhatu katoa. Ko te whakatūpū pai e tiaki ana i te mahi pai i roto i ngā taiao whakamaharatia, me te whakapai rawa atu i ngā patu kōhatu i te whakarite i ngā pū karuhī. Ka whai hua ngā whakamahi i te itinga i te whakamuku i te whiu ki ngā hōhonu tūrua, e whakaiti ana i ngā hiahia whakahaere mō te tūrua tūrangi katoa.

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Tohu me te Hangaruruku Whanui o te Ataata

Tohu me te Hangaruruku Whanui o te Ataata

Kei ngā pūtē karu DTH te hanga wāhi karu hou e whakamahia ana i ngā matū tungsten carbide o nehe pai. Kua hanga ā-wahanga me te tino wānanga kia whakapai te weheweherenga i te mahi o te poro whakahekenga, nō reira ka whiwhi ai te whiuwehu i te wehenga. Ka mahi ngā karu i ngā mātaengatanga whakamahana hei whakapai i te roa o te whakahaere me te whiuwehu i te pakanga, hei whakamahi haumaru i ngā taiao whakamahara. Ko te whakaaetanga metallurgical mona kei te whakapai i te tahuhu ki waenganui i te kohititanga me te whiuwehu, ka riro rawa mai he oranga pai mō ngā karu i te mahi pai, ahakoa te mahi kotahi. I hanga noa atu ngā raarangi karu hei whakapai i te weheweherenga o ngā huringa whakamahi, kia kore ai te weheweherenga i te wāhanga, ka whakapai i te roa o te whakahaere o te pūtē.
Hanganga Whakamahana Wāhanga Mōkete

Hanganga Whakamahana Wāhanga Mōkete

Te rautaki whakawhiti hou e whakauru ana i ngā pūtango pūoro DTH he mōhiotanga nui i te whirinaki o te tirohanga. Ko ngā wāhitau e tūhono ana i te reo āwhina ki te kuhu mai i te hāpori rānei, e awhina ana ki te tahua pai o ngā kaiwhitiwhiti i runga i te mata o te tirohanga. E ai ki tēnei whakahaere pai, ka whakamana te wehe i ngā kaiwhitiwhiti, ka heke te whakamahia i te huringa me te kaiwhakarite. Ko te hanga whakawhiti anō hoki e āhei ana ki te whakatika pai i te kuhu i ngā rua, e tiakina ana te whanaketanga o te tirohanga me te itinga o te korekorenga o te rua. Ko te pai o te rautaki i te whakamahi i ngā waehu pai hei whakatika i ngā waehu mahi, ka whakapai te oranga o ngā whatu, ka whakapai hoki te whakatangitanga o te tirohanga katoa.
Te Hanga Anamata o te Pūtango

Te Hanga Anamata o te Pūtango

Ko te hoahoa ā-tinana he whakamātau i ngā kaupapa take pūhanga e hiahiatia ana hei whakapai i te hīkoi me te whanonga tūpato. Ko te tinana kōwhai i raro i ngā mahi whakarite uruahi hei whai i te pai rawa o te tomo me te whakaheke i te whiuwhiu. Ko te hoahoa mata i whakauru ai ngā āhuatanga matataki e whakapai i te wehewehe i ngā whenua nui, ahakoa ko ngā wāhanga hē ki te wehe i ngā wāhanga matua i runga i te wehe nui. Ko ngā āhuatanga whakarite i waenganui i ngā pūtango matua hei torotoro i te mutunga o te kaihoki, me te whakamana i te whatitanga o te rua i runga i te mahi hīkoi. Ko te whakauru i ngā āhuatanga whakawhanake i waenganui i ngā wāhanga matua o te tinana kaihoki hei whakapai i te roa o te whakahaere, me te whakapai hoki i te whakawātea i ngā momo hīkoi whakahē.