One way is called geometrical method, which establishes meshing equation by differential geometry and meshing theory for obtaining the equation of face gear, and uses digital theory to establish digital tooth surface of face gear.
in this paper the meshing principle and conjugate camber theory are applied to establishing the tooth surface equations for the transmission by the worm and worm gear with prolong involute profile,and the contact point equations are also analysed and solved.
This paper analyzes the point engagement transmission for extending involute wirm by applying meshing principle. It puts forward a method to bring about the point gearing by reducing the diameter of the graduation circle of the worm,analyzes the curvature and contact area and gives the dimension,shape and position of the contact area under the worm offset Δ d 1=2,2 5,3 mm.
Based on the spatial meshing principle and rotating matrix method,the theoretical profile equation and the precise press angle of the spatial barrel-cam with oscillation and conical roller follower are given,which have beneficial to establish the CAD/CAM system and establish the theoretical foundation to reform the machining method of the spatial barrel-cam.
In this article, the meshing theory, design calculation, sealing graph of the parameter selection, manufacturing, bearing ability test and the example of its applications in various places are introduced.