PDC me te mata keri ranu tricone 17.5 inihi te wheketere API mō te poka hinu hohonu
Whakaahuatanga Hua
Ka whakakotahi te mata keri ranu i te hangarau matatau, ngā aratohu tono ritenga me ngā hoahoa mata keri ranu tino matatau o te umanga hei tuku i ngā oma keri pai ake i roto i ngā warowaihā me ngā hanganga honohono i tō mua.
Kāore i hangaia ngā koeko me ngā mata o te poro hei mahi i ā rātou mahi takitahi anake, engari hei whakakīkī me te whakarei ake i a rātou anō, hei āwhina i te tautuhi i tētahi paearu hou mō te mahi a te poro. He koi ake, he matotoru ake te tohatoha o ngā hanganga tapahi, ā, kua arotauhia ngā hoahoa mata me te tapahi hei whakaputa i ngā wāhanga poka roa ake, i roto i te ine. Nā te mea he taurite pai te kaha o ngā koeko me ngā mata o te poro, he nui ake te pakari o te poro Hybird, ka keri tonu me te ROP teitei ake, ka whakaiti i ngā utu keri.
| 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 |
Whakatakotoranga Hua
Ngā Āhuatanga
He teitei ake te pūmanawa ROP i ngā mata wiri kōne roera
Ki te whakatauritea ki ngā mata wiri kōne roera, ka taea e ngā mata wiri ranu te whakanui ake i te ROP, ka iti ake te taumaha e hiahiatia ana ki runga i te mata, ā, ka whakaitihia hoki te pekepeke o te mata.
Ngā mahi keri kua arotauhia ki te whakataurite ki te PDC
Ngā Āhuatanga Kōwhiringa
Ki te whakaritea ki ngā PDC, he nui ake te pakari o ngā mata ranu ina kerihia ana i roto i ngā hanganga honohono. Ka whakaitihia e rātou te paheke-piri, ka whakahaerea hoki te whakahaere taipana keri me te hanga kia ōrite ake, ka taea ai te whakawhiti maeneene ake i roto i ngā hanganga rerekē. Mā te pumau me te whakahaere ahunga pai ake ka taea ai te whakahaere poutū pai ake me te tere hanga teitei ake i roto i ngā wāhanga piko.
