Abstract
In this paper, a new method for grinding hypoid gears by applying generating and Waguri (1964) motions is presented. Two motions that contribute to the roughness of the tooth surface are considered: (i) the rotation of the grinding wheel and (ii) the generating motion of the grinding wheel to the pinion and the Waguri motion for finishing the gear tooth surface. It is supposed that the grains are spheres with a random diameter and random location on the surface of the grinding wheel. The cutting edges of the grinding wheel are generated by the dressing tool. The grinding wheel-pinion/-gear interaction is described. The 3D topography of the grinding wheel is mapped to the tooth surfaces of the pinion and the gear by using the motion of pinion tooth surface generation and by using the Waguri motion for gear tooth finishing. The influence of the grain size and the relation of motions in the grinding process on the obtained roughness of the ground tooth surface is investigated.
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