Fundamental Researches on a Perfectly Balanced Rotation-Reciprocation Mechanism : Report 3,Structural Analysis on Vibrationless Geared Devices of a Crankshaft Rotary Motion System, and their Vibration and Friction Loss

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This report relates to two kinds of vibrationless geared devices according to the basic theories in the 1st report, that is, internal geared device and eccentric geared device of crankshaft rotary motion system. Design and construction of the above-mentioned two devices are described and it is ascertained that constructional defects in the eccentric geared device of crankshaft planetary motion system are eliminated by means of these devices, and that these devices are practical. Theoretical analysis of load on each portion, friction loss and equivalent moment of inertia in these devices is made and the results of their numerical computations are shown, and from the experimental results of vibration and torque, it is proved that the inertia forces and torques are perfectly balanced and that their vibration sources are only pressure torque and friction loss torque. Generally speaking, between the two, the internal geared device a more practical one, but in the case of utilizing these devices under special heavy load, the eccentric geared device is more suitable.
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