IADC127 12 1/4 Ngā Mīti Kone Roera Niho Mira mō te Hanga HDD Rock Reamers
Whakaahuatanga Hua
Ko te Milled Tooth Roller Cone Bit he mea hanga mō te keri i ngā toka ngohengohe, i te paru rānei kua honoa ki te hanganga piri. Kāore e taea e ngā mata tricone TCI (tungsten carbide inserts) te keri i ngā hanganga tino ngohengohe nā te puhoi o te urunga (ROP) me te poro-mata.
Ko ngā mata kōne niho mira e whakamahia ana mō te whakawhiti i te HDD i roto i te kōhatu paru me ngā wāhi mārō e kore e taea e te reamer barrel te haere, ā, he ngāwari hoki te whakakorikori i te reamer toka TCI.

Whakatakotoranga Hua
Whakatakotoranga o ngā Momo Kōne Roera Niho Mira
| Rahi o te Kone | 185mm (Mō te hanga i te mata tricone 12 1/4") |
| Momo Peera | Peera Hiri Elastomer |
| Whakahinuhinu Hinu | Kei te wātea |
| Pūnaha Whakakorenga Hinu | Kei te wātea |
| Parenga Ine | Kei te wātea |
Ngā Tawhā Whakahaere
Ko te mata kōne niho mira e whakamahia ana mō te keri i ngā hanganga ngohengohe he iti te kaha pēhi me te kaha keri teitei, pērā i te paru, te gypsum, te tote, te raima ngohengohe, me ētahi atu.











