| 摘要 |
This invention describes indentation conformation around pinion exterior toothed gearing primitive cylinder to be connected to motor or drive shaft, having a surface from which it is in an axial direction around indentation wide central portion, and which is in contact around indentation wide end in displacement angle, allowing and diminishing unadjustment, and pinion exterior toothed gearing is crowned in an exponential function curve. Preceding vibrations and torsional vibration can be suppressed in a high speed rotation due to small unadjustment. Crowning curve is an exponential function, which causes contact point to be moved towards indentation wide end as soon as displacement is increased, and curvature radius became higher as soon as curvature point approaches indentation wide end, such that even when contact gears number decreases when displaced, contact pressure increase is suppressed and higher power may be transmitted compared with conventional design.
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