Ngā mata keri poka ritenga IADC127 14 3/4” (374mm)
Whakaahuatanga Hua
He mata kōhatu tricone ritenga API rarawe kei roto i te taonga i runga i te utu iti rawa me te kounga pai rawa atu mō te keri poka hohonu.
1) Ko te hononga o te mata keri i hangaia kia rite ki te paerewa API.
2) Ka taea e mātou te whakarite i te rahi o te moka kia rite ki tō taputapu.
3) Ka taea te whiwhi i te hua pai rawa atu mā te whakamahi i te mata niho-rino i te papa ngohengohe. Mena ka kerihia i roto i te hanganga mārō, ka tūtohutia kia whakamahia te mata tricone TCI.
4) Ko ngā hanganga tapahi me ngā hoahoa peera kua whakamātauhia kei te whakarato tonu i te taumata mahi me te pono teitei.
5) Mā te whakamahi i ngā waipēhi kua arotauhia ka nui ake te ROP mā te tango pai i ngā tapahi me te whakarite kia mau te toka hou ki ia hurihanga o te hanganga tapahi.
Whakatakotoranga Hua
| Whakatakotoranga Taketake | |
| Rahi o te Mata Toka | 14 3/4" |
| 374.60mm | |
| Momo Moka | Mīti Tricone Niho Rino/ Mīti Tricone Niho Mira |
| Hononga Miro | 7 5/8 API REG PIN |
| Waehere IADC | IADC 127 |
| Momo Peera | Whēra Roera Hirihia |
| Hiri Whero | Hiri Rapa |
| 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 | 3 |
| Ngā Tawhā Whakahaere | |
| WOB (Taumaha i runga i te Momo) | 25,252-71,547 pauna |
| 112-318KN | |
| RPM(r/min) | 60~180 |
| Te hanganga | Ko ngā hanganga ngohengohe he iti te kaha pēhi, he nui te kaha ki te keri, pērā i te paru, te gypsum, te tote, te pākeho ngohengohe, me ētahi atu. |
Ko te 14 3/4" te rahi noa e whakamahia whānuitia ana mō ngā kaupapa keri thd.
Ko tētahi atu ingoa o ngā mata tricone niho rino ko te mata tricone niho mira nā te mea ka hangaia ngā niho e te mīhini mira, ko te mata kōne he mea mārō ki te tungsten carbide.
He roa ake ngā niho o ngā mata tricone niho rino i ngā mata tricone TCI, kia taea ai te keri i ngā hanganga ngohengohe i te ROP teitei.
I roto i ngā kaupapa keri hinu, ka taea e te ROP te eke ki te 30 mita ia hāora i roto i te keri wāhanga pāpaku.
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