Study of Subdivision Surface Modelling for Spiral Bevel Gear Manufacturing

Xing, Yuan, Qin, Sheng-feng and Wang, Taiyong (2010) Study of Subdivision Surface Modelling for Spiral Bevel Gear Manufacturing. Proceedings of the 6th CIRP-Sponsored International Conference on Digital Enterprise Technology, 66. pp. 57-66. ISSN 1867-5662

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Precise machining spiral bevel gear (SBGs) on Numerical Control (NC) machine tools has attracted much research attention. This paper presents a new precise SBGs CAD/CAM model with Loop subdivision algorithm. The involute surfaces for spiral bevel gears and pinions are first modelled with parametric surfaces. From them and a set of parameters, an initial mesh model is created for gear surfaces. This mesh model is then used as a base for a subdivision surface. The precision of subdivision surfaces can be exactly controlled by a subdivision process which can generate enough machining points on the designed tooth surface model. As a result, all meshing points of the tooth surface for a pair of gear and pinion can be applied on NC machines for higher-precision surface manufacturing. This novel SBGs CAD/CAM modelling method has been evaluated with precision. The precise model could be extended to hypoid gear and other complex surface design.

Item Type: Article
Uncontrolled Keywords: Spiral bevel gear, subdivision surface modelling, precision control, tooth surface design, CAD/CAM
Subjects: W200 Design studies
Department: Faculties > Arts, Design and Social Sciences > Design
Depositing User: Becky Skoyles
Date Deposited: 19 Mar 2014 14:55
Last Modified: 12 Oct 2019 19:34

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