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In many occasions of the practical engineering, the equipment of reciprocating rectilinear movement at high frequency is used commonly, which usually is completed by the slider-crank mechanism. But there is big friction force between the guide rail and the block in this mechanism, thus the big friction loss can be caused. When working in a long time, the mechanism will be heated and distorted and a big torque will be caused in the guide rail. Subsequently, the vibration will be generated when the slider-crank mechanism moves at high frequency. In view of these limitations, the reciprocating rectilinear moving mechanism at high frequency with low load driven by two symmetrical gears is innovated. The innovated mechanism is quite symmetrical, hence the friction force between the guide rail and the block can be almost removed and the vibration can be eliminated to a great extent as well. Additionally, the mechanical properties and motion characteristics of the new mechanism are analyzed. Compared with the slider-crank mechanism, this new mechanism is proved to have a simpler structure and better properties.

The Reciprocating Rectilinear Moving Mechanism at High Frequency with Low Load Driven by Two Symmetrical Gears