n.a drill bit that has hardened rotating rollers
同义词：rock bit
Roller bit
Roller bit
Roller bit
Polycrystalline diamond bearing system for a roller cone rock bit
The Computer Simulation of the Interaction Between Roller Bit and Rock
The Forces at the Teeth of a Drilling Rollercone Bit: Theory and Experiment
Roller Bit Model With Rock Ductility and Cone Offset
Roller-Bit Penetration Rate Response as a Function of Rock Properties and Well Depth
Factors Affecting Torque for a Roller Cone Bit
Modeling of Roller Cone Bit Lift-Off Dynamics in Rotary Drilling
Theoretical research of rock bit roller bearing
Optimal design of sliding bearings for roller bit with contact FEA
Emulation research on dynamics of roller cone bit
