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The spherical involute bevel gear: its geometry, kinematic behavior and standardization

Noh Gill Park, Hyoung Woo Lee*
The Journal of Mechanical Science and Technology, vol. 25, no. 4, pp.1023-1034, 2011

Abstract : Bevel gear processing has diversified based on constant technical developments in forging, CNC cutting and hob design. Standardization of bevel gears is in higher demand than ever for different bevel gear systems that have different shapes and forms according to processing methods. With advantages such as excellent compatibility and the ability to absorb assembly errors well, the involute gear is referred to as the spherical involute tooth profile in bevel gear systems. This paper explains the geometrical characteristics and kinematic behavior of spherical involute gears. A spherical involute function is derived to effectively represent tooth profiles, and a common basic rack is developed using the equation of meshing to generate spherical involute gears. This study also analyzes the general characteristics of spherical involute gears and discusses the issue of bevel-gear standardization.

Keyword : Spherical involute gears; Standardization of bevel gears; Tooth profiles; Compatibility

 
 
 
 
 
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