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ST7-1.50.50.8 Simplified Spline Contact and Fatigue Analysis
In this Webnote we model the end of a winch drum which has a 60 mm diameter spline with 50 teeth. The effect of the spline is all that is needed the local stress in the teeth of the spline are not of interest. Fatigue analysis of the hub is the primary concern. Thus, we can use a simplified approach which gives an accurate coupling of the input shaft and winch, while maintaining a reasonably small model size.
The interface between the male and female parts of a spline is complex. The gap...
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