Pātene API IADC537 6.5 inihi (165mm) me te utu whakaheke
Whakaahuatanga Hua
Te keri rarawe i ngā mata tricone o te puna API mai i te wheketere Haina mō te poka hinu hohonu.
Whakaahuatanga Moka:
IADC: 537 - Mata pere hiri TCI me te tiaki ine mō ngā hanganga ngohengohe ki waenga ngohengohe me te kaha pēhi iti.
Kaha Whakapūmau:
85 - 100 MPA
12,000 - 14,500 PSI
Whakaahuatanga Whenua:
Ngā toka mārō waenga, me ngā toka whakakoi pērā i te onepū me ngā rārangi o te kuata, te kōhatu mārō, te tiēre rānei, ngā konganuku hematite, ngā toka whakakoi mārō, kua pai te whakapiripiri pērā i: ngā onepū me te here kuata, ngā dolomite, ngā kirikiri kuata, te magma me ngā toka matotoru kua memeha.
Whakatakotoranga Hua
| Whakatakotoranga Taketake | |
| Rahi o te Mata Toka | 6 1/2 inihi |
| 165.10.mm | |
| Momo Moka | TCI Tricone Bit |
| Hononga Miro | 3 1/2 API REG PIN |
| Nama IADC | IADC 537G |
| Momo Peera | Peera Hiri-Hautaka me te Tiakitanga Ine |
| Hiri Whero | Elastomer, Rapa/Metara rānei |
| Te Tiaki Rekereke | Kei te wātea |
| Te Tiaki i te Hiku o te Hāte | Kei te wātea |
| Momo Whakawhitiwhiti | Te Tohanga o te Paru |
| Āhua o te Keri | Keri hurihuri, keri pāmahana teitei, keri hohonu, keri motuka |
| Ngā pūwero | Ngā Pūwero e Toru |
| Ngā Tawhā Whakahaere | |
| WOB (Taumaha i runga i te Momo) | 16,628-37,076 pauna |
| 74-165KN | |
| RPM(r/min) | 50~220 |
| Te hanganga | He hanganga waenga me te kaha pēhi iti, pērā i te kirikiri waenga, te kirikiri ngohengohe, te kōhatu papatahi ngawari waenga, te kōhatu papatahi ngawari waenga, te kōhatu onepū ngawari waenga, te hanganga waenga me ngā paparanga mārō me te koi, me ētahi atu. |
He wheketere a Far Eastern hei hanga i ngā mata keri me te tiwhikete API me te ISO. He tohunga mātou ki ngā mata keri, tae atu ki ngā mata huri tricone, ngā mata keri PDC, me te whakatuwhera poka HDD. Kei te wātea ēnei mata keri i roto i te niho maitai hou me te whakauru tungsten caribide, te rahi mai i te 3 3/8" (85.7mm) ki te 26" (660.4mm) mō ngā hanganga katoa, me tetahi momo peera/hiri me te whānuitanga o ngā āhuatanga ritenga taapiri.
