Study on the Method of Expressing the Pitch Curve of Non-Circular Gear Based on NURBS Curve

Xiong Zhao; Jian Neng Chen; Gen Yong Ren; Ying Wang; Chuan Long Li

doi:10.4028/www.scientific.net/AMM.101-102.618

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 101-102Study on the Method of Expressing the Pitch Curve...

Study on the Method of Expressing the Pitch Curve of Non-Circular Gear Based on NURBS Curve

Abstract:

In order to express the pitch curve of non-circular gear conveniently in a uniform way, which would lessen the complexity of calculating the tooth profile of non-circular gear, the authors propose a curve fitting method of NURBS curve with the least data points based on the fitting of NURBS curve. This method is used to express the pitch curve of non-circular gear, and the specific solution model and detailed calculation procedure are presented. In addition, a method to select data points inhomogeneously and appropriately using non-uniform factor of selecting points is proposed. Two design examples are introduced to testify the validity of this expression method.

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Periodical:

Applied Mechanics and Materials (Volumes 101-102)

Pages:

618-622

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.101-102.618

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Online since:

September 2011

Authors:

Xiong Zhao, Jian Neng Chen, Gen Yong Ren, Ying Wang, Chuan Long Li

Keywords:

Curve Fitting, Noncircular Gear, Non-Uniform Factor of Selecting Points, Non-Uniform Rational B-Spline (NURBS), Pitch Curve

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References

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