Eigensolution of a BTA deep-hole drilling shaft system
作者： Guo-hong Ma , Xing-quan Shen
DOI: 10.1007/S12206-018-0303-9
关键词: Mechanics 、 Deep hole drilling 、 Angular velocity 、 Vibration 、 Drilling 、 Materials science 、 Torque 、 Flow velocity 、 Moment of inertia 、 Natural frequency
摘要: A numerical investigation is conducted to obtain the eigensolution of a deep-hole drilling shaft system. The rotating modeled as Rayleigh beam that conveys cutting fluid and subjected torque, compressive axial force, support constraints. governing equation system for lateral vibration obtained by considering fluid-structure interaction, rotational inertia, gyroscopic effect, effect motion constraints, frictional damping generated surrounding fluid. influence flow velocity, angular constraints on natural frequency stability examined. Cutting torque decrease system, whereas velocity improve stability.
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