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- W2350176704 abstract "A drilling rig's driving head transmission system was studied based on the gear system dynamics. The contact force of cutting rock with PDC bit was studied based on the theory of elastic mechanics and contact mechanics.The time-varying input torque of the gear transmission system of the drilling rig's driving head caused by varying working environment was then obtained. A coupled dynamic model of the gear transmission system was built using the lumpedparameter method,the model included time-vary mesh stiffness of gear pairs,stiffness of rolling element bearings,meshing error and etc. Then,the dynamic differential equations were built. The vibration responses,dynamic meshing forces of gears and bearing forces of the gear transmission system were computed using the numerical method. Research results laid a foundation for the dynamic performance optimization and the reliability design of gear transmission system of a drilling rig's driving head." @default.
- W2350176704 created "2016-06-24" @default.
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- W2350176704 date "2014-01-01" @default.
- W2350176704 modified "2023-09-27" @default.
- W2350176704 title "Dynamic characteristics of a drilling rig's driving head transmission system under varying working environment" @default.
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