Micro Core Bit
Tsara don ROP mafi girma a cikin hakowa mai zurfi da ƙarfi, PDC rami bit koyaushe yana motsa jiki daga ƙasa zuwa ƙasa kai tsaye tare da ƙasa ko ma gudu guda, yana adana adadin lokacin rawar da farashi.
Bambanci daga bitar tricone, PDC rami bit yana gudana tare da ƙananan WOB amma RPM mafi girma, don haka yawanci yana aiki tare da motar rami don ɗaukar saurin juyawa.
Ayyukan bitar rawar PDC ya dogara da yawa akan masu yanke PDC, muna ba da mafita ta musamman ga takamaiman buƙatu akan nau'ikan tsari.
Gabatarwa:
Ya dace da ayyukan coring a matsakaici da mawuyacin hali tare da fasalin tsawon rai.
Siffofin
1.Tsarin Ƙaƙƙarfan Ruwa: Shigo da keɓaɓɓun haƙoran haƙora da ƙira mai lanƙwasa na ruwa mai ƙarfi yana haɓaka ikon hakowa a cikin tsaka mai wuya.
2. Haɗuwa mai inganci:Yana inganta ingantaccen aiki da rayuwar rami. Yanke tsarin yana da ƙarfi mai ƙarfi.
3. Tsari na musamman: Tsarin musamman na ramin ruwa yana inganta sanyaya da ikon tsaftace bit, kuma yana inganta ingancin ƙaurawar cuttings.
Bayani dalla -dalla:
| Lambar IADC | M715 |
| Yawan ruwan wukake | 12 |
| Jimlar yankin kwarara | 0.8 ~ 1.0 a ciki2 |
| Yankan tsarin | Diamond na Zamani |
| Tsawon ma'aunin ma'auni | 1-1/2"（38,1 mm） |
| Babban juyi juyi | 7.0 ~ 11.5KN·m |
| Girman gangar mai | 4-3/4"×2 5/8"(Chuan 5-4/5) |
Shawarar Yanayin Aiki:
| Yawan gudu | 10 ~ 15 L/S |
| Gudun Rotary | 40 ~ 100 RPM |
| Nauyi akan bit | 20 ~ 75 KN |
