Abstract
In this paper, the nonlinear dynamics equations of a pure rolling low-noise excavating system with one clearance are derived, and the characters and the factors affecting the response, such as rotating angular velocity, mass center of crank, elastic coefficient in the normal direction and the size of clearance, are discussed. The results show that, the larger the elastic coefficient is, the more stable the system is; the value of the elastic coefficient at clearance has almost no affect on the load torque, whether from the magnitude or fluctuation. When the size of clearance and rotational velocity are increased, the interactive forces will increase, and the maximum value of impact force is increased also. The results provide preference for the design of low-noise system in actual engineering.
Published Version
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