Comparison method of several drawing methods The method of creating method one is relatively simple, but because of design with Other software, the versatility is poor. Moreover, full parametric modeling cannot be realized. When the important parameters of the gear change, it must be re-modeled by the auxiliary software; the second method is to first establish some discrete interpolation points and then use the spline curve to fit. What is obtained is an approximate involute, whose accuracy is affected by the interpolation point. The more interpolation points, the higher the accuracy.
As long as the interpolation points are limited, there will always be errors. And the creation process is cumbersome and not easy to operate; the third method is to realize the continuous straight line offset according to the involute equation, so the obtained curve is also continuous without error. Equivalent to the method 2, the infinite interpolation points are established, the creation method is simple, the steps are few, and the operation is easy. In summary, both Method 2 and Method 3 are parametric modeling, while Method 3 has high precision and simple operation, so Method 3 is the best way to create involute.
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