DTH kubowola ndodo kubowola machubu kubowola mapaipi
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Mau Oyamba:
Ndodo zobowola za DTH (zomwe zimatchedwanso machubu obowola kapena mapaipi obowola) ndi njira yotumizira mphamvu yamphamvu ndi torque yozungulira ku nyundo za DTH ndi ma bits, komanso kupereka njira yodutsa mpweya.
M'malo mwake, ndodo yopepuka ndi yabwino kwambiri pobowola. Chifukwa chake chocheperako nthawi zonse chimakhala chokondeka kuposa chokhuthala ngati magawo ena anali ofanana. Pakalipano, mphamvu zokolola ndi kulimba kwamphamvu ziyeneranso kuganiziridwa, zomwe zikutanthauza kuti makulidwe a khoma la ndodo adzafunika kuti apeze mphamvu zokwanira. Zachidziwikire, makulidwewo akafunsidwa mwamphamvu kuti akhale woonda momwe angathere kuti achepetse kulemera kwa chingwe, palinso njira ina yopezera machubu obowola omwe amagwiritsa ntchito zitsulo zabwino kwambiri.
Plato ali ndi ndodo zobowola za DTH zokhala ndi makulidwe angapo osiyanasiyana m'mimba mwake, opangidwa kuchokera kuzitsulo zamakalasi osiyanasiyana kuti asankhe. Chifukwa chake, pakubowola m'munda, pansi pamikhalidwe yosiyana, pangakhale kufunikira kwa mitundu yosiyanasiyana ya ndodo zobowola kuti zigwiritsidwe ntchito. Mwachitsanzo, zokhuthala zomwe zimakhala ndi zitsulo zapamwamba kwambiri zoboola dzenje lakuya, monga mabowo ophulitsa; ndi zoonda kwambiri zokhala ndi zitsulo zabwino kwambiri pobowola dzenje lakuya kwambiri, monga kubowola potenthetsera pansi. Kuphatikiza apo, ndodo zobowola za Plato DTH zimatenthedwa bwino, zimapangidwa mwatsatanetsatane, komanso zimawotchedwa.
DTH Drill Rods:
| Diameter | Utali | Ulusi Wogwirizana | Makulidwe a Khoma | |||
| mm | inchi | mm | Phazi | mm | inchi | |
| 60 | 2 3/8 | 1,000~4,500 | 3 3/8 ~ 14 3/4 | T42×10×2 | 5~8 | 13/64~5/16 |
| 76 | 3 | 1,000~4,500 | 3 3/8 ~ 14 3/4 | 2 3/8” API REG | 5~8 | 13/64~5/16 |
| 89 | 3 1/2 | 1,000~7,620 | 3 3/8 ~ 25 | 2 3/8” API REG/IF | 5~12 | 13/64~15/32 |
| 102 | 4 | 1,000~9140 | 3 3/8 ~ 30 | 2 3/8” API REG, 2 7/8” API IF, 3 1/2” API REG | 6.5~20 | 1/4~25/32 |
| 108 | 4 1/4 | 1,000~9140 | 3 3/8 ~ 30 | 2 3/8” API REG, 2 7/8” API IF, 3 1/2” API REG | 6.5~20 | 1/4~25/32 |
| 114 | 4 1/2 | 1,000~10,670 | 3 3/8 ~ 35 | 2 7/8” API IF, 3 1/2” API REG | 6.5~20 | 1/4~25/32 |
| 127 | 5 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 8~20 | 5/16~25/32 |
| 133 | 5 1/4 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 8~20 | 5/16~25/32 |
| 140 | 5 1/2 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 10~22 | 25/64~7/8 |
| 146 | 5 3/4 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 10~22 | 25/64~7/8 |
| 152 | 6 | 1,000~10,670 | 3 3/8 ~ 35 | 4 1/2” API REG | 10~22 | 25/64~7/8 |
Ma Adapter:
| Mtundu | Diameter | Utali | Ulusi Wogwirizana | ||
| mm | inchi | mm | inchi | API REG/IF | |
| Pinani ku Bokosi | 59~146 | 2 3/8 ~ 5 3/4 | 120~235 | 4 23/32 ~ 9 1/4 | 2 3/8”, 2 7/8”, 3 1/2”, 4 1/2” |
| Pin ku Pin | 90~115 | 3 1/2 ~ 4 1/2 | 70~97 | 2 3/4 ~ 3 5/8 | 2 3/8” , 2 7/8”, 3 1/2” |
| Bokosi kwa Bokosi | 77~205 | 3 ~ 8 1/8 | 200~270 | 7 7/8 ~ 10 5/8 | 2 3/8”, 2 7/8”, 3 1/2”, 4 1/2”, 6 5/8” |
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