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Internally meshing planetary gear structure and flexible meshing type gear meshing structure
Internally meshing planetary gear structure and flexible meshing type gear meshing structure
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机译：内啮合行星齿轮结构和挠性啮合型齿轮啮合结构
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摘要
An internally meshing planetary gear structure or a flexible meshing type gear meshing structure is intended to achieve the lightening, miniaturization and high load capacity by increasing the meshing points of the gear even is the difference in the teeth number between the external gear and the internal gear is two or more. The difference in the teeth number between each of the external gears and the internal gear is set to be N (N: integer being two or more), the tooth profile of the external gear is constructed on the basis of the innermost curve of the epitrochoid parallel curves in N pieces which are superposed to be shifted in phase from each other, and the tooth profile of the internal gear is constructed on the basis of the innermost curve of the trochoid internally enveloping curves in N pieces which mesh with the above epitrochoid parallel curves and which are superposed to be shifted from each other by the same phase as in the external gear.
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