Affiliation:
1. School of Mechanical and Electrical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
2. International Education College, Zhengzhou University of Light Industry, Zhengzhou, China
Abstract
In this paper, a cam-linkage mechanism with a swing follower with variable pivot has been studied. In this mechanism, the pivot of the swing follower is installed on a slider with an adjustable track direction, the follower performs a complex planar motion, and the motion range of the output angle can be adjusted according to the output requirements. In order to synthesize this mechanism, firstly, the relevant model is established and the basic structural parameters are optimized by considering the assembly conditions and the pressure angle under the limit position of the movement track of the follower mounting slider. Subsequently, the inverse method and the envelope theory are employed to derive the cam contour coordinates. Finally, the corresponding follower motion law is selected, the corresponding cam contour coordinates are calculated, and the entire cam contour curve is obtained using spline interpolation. An automatic design system for cam contours is developed. The processes are carried out through design examples and verified through motion simulations and prototype experiment. The present work can enrich the design theory of cam-linkage mechanisms.
Funder
the Doctoral Research Funded Projects of Zhengzhou University of Light Industry
National Natural Science Foundation of China
the Key Science and Technology Research Project of the Henan Province, China
Cited by
1 articles.
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