9.5 inihi te matawai ranu PDC i honoa ki te roera kōne mō te keri hinu

Ingoa Waitohu: Te Rawhiti Tawhiti
Tiwhikete: API me te ISO
Tauira Tau: Momo Ranu
Te rahinga iti rawa o te ota: 1 wahi
Ngā Taipitopito mōkihi: Pouaka Papariki
Wā Tukunga: 5-8 ngā rā mahi
Painga: Te Mahi Tere Teitei
Te Wā Pūtāhui: 3-5 tau
Taupānga: Hinu, Hau, Geothermy, Keri puna wai, HDD, Keri maina

Taipitopito Hua

Ataata e pā ana

Putumōhio

IADC417 12.25mm tricone bit

Whakaahuatanga Hua

E toru ngā koeko me ngā mata e toru o ngā mata wiri ranu, e rua ngā wā pai ake i ngā mata wiri roera kounga teitei.
Ka whakakotahi te hangarau mata keri ranu i ngā koeko roera me ngā taputapu tapahi pumau PDC ki roto i te hoahoa kotahi, kua patenthia hei whakaiti i te wā keri me ngā haerenga i roto i ngā tono tino uaua. Mā te kaha me te pumau o ngā koeko roera e kuru ana i te toka me te hiranga tapahi me te mahi kutikuti tonu o ngā mata taimana, ka whakanui ake te hangarau i te ROP, ka whakapai ake i te tango tapahi, ā, ka ora i ngā hanganga tino honohono me te ōritetanga mahi me te whakahaere mata taputapu tino pai.

Rahi (inihi) Nama Mata & Nama Kone Te rahinga o te PDC Hononga Miro
8 1/2 2 ngā kōne 2 ngā mata PDC kawemai 4 1/2" API Reg
9 1/2 3 ngā kōne 3 ngā mata PDC kawemai 6 5/8" API Reg
12 1/2 3 ngā kōne 3 ngā mata PDC kawemai 6 5/8" API Reg
17 1/2 3 ngā kōne 3 ngā mata PDC kawemai 7 5/8" API Reg
IADC417 12.25mm tricone bit

Whakatakotoranga Hua

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Ko te mata porotaka PDC-Roller he mea hanga ki te tapahi pumau PDC me te hanganga tapahi kore-roller. Ka pakaru te toka i te pakaru o ngā niho roller, ka hanga he poka pakaru ki raro, ka ngoikore te kaha o te toka i te mata koretake. I raro i te āwhina a te roller, ka ngau te PDC ki te paparanga. Ko te mahi he tapahi me te penapena mahi.
I te mea, ko te papa keri uaua, ā, ko te papa keri mārō, i whakawhanakehia e mātou he mata keri takitahi. He nui ake te urutau o te mata keri, he nui ake te pai o te pakaru toka me te tere o te pakaru i roto i te papa keri mārō/papa keri kōhatu/papa paru kaha teitei/paparanga kore taurite (hei tauira, te moenga kohatu) me ētahi atu paparanga keri mārō.
Te Rawhiti Tawhitikua kaweake atu i te 30 whenua te wheako ratonga hei whakarato i ngā mata keri me ngā wairua keri matatau mō ngā tono maha. Kei roto i te tonote mara hinu, te hau māori, te tūhuratanga whenua, te keri hohonu, te keri maina, te keri puna wai, te HDD, te hanga, me te turanga.Ka taea te whakarite i ngā momo mata keri kia rite ki ngā hanganga toka rerekē nā te mea kei a mātou ā mātou akeAPI me te ISOwheketere whaimana o ngā mata keri. Ka taea e mātou te tuku i te otinga a tā mātou miihini ina taea e koe te whakarato i ngā tikanga motuhake, pēnei i tete pakeke o ngā toka, ngā momo taputapu keri, te tere hurihuri, te taumaha o te mata me te taipana.He āwhina anō hoki tēnei ki a mātou ki te kimi i ngā mata wiri e tika ana i muri i tō whakamōhio mai ki a mātou.te keri puna poutū, te keri whakapae rānei, te keri puna hinu, te keri Kore-Keri rānei, te whakairi poutū rānei.

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