Cycloid hypoid gear tooth surface geometry is complex, only its machining simulation, error sensitivity, meshing performance and tooth surface active design have been studied. Combined with the research content of this paper, it is considered that the following aspects are worthy of further research and improvement:
- In various tooth surface modeling methods, the conversion link from the blade path to the tooth surface has been basically unified. However, the blade has been simplified, mostly replaced by the straight blade. Although the blade arc and the tip arc are considered in this paper, it is still not the most accurate blade model. Therefore, the author believes that further research should establish a complete blade model considering the top, tip arc, root trimming arc, blade arc and root arc, so as to obtain an accurate model of the tooth surface, so as to ensure the subsequent high-precision tooth surface meshing analysis, modification and stress analysis;
- In the active design of the tooth surface, the second-order parabolic transmission error is adopted. In recent years, the high-order transmission error has been proved to be superior to the second-order parabolic transmission error in reducing vibration. Therefore, the active design of tooth surface with the optimal high-order transmission error curve instead of the second-order parabolic transmission error in this paper will be the next step;
- The finish machining of cycloid and other high teeth after heat treatment is still a difficulty, and the inability to grind limits its application. For example, circular arc involute teeth that can grind teeth are still used in the aviation industry, high-end passenger cars and luxury cars. Some scholars have also proposed the method of “grinding” cycloid contour teeth with cup-shaped grinding wheel, which can ensure the accuracy of grid points. If the grid points are too dense, it is too time-consuming. Therefore, a new method of finishing cycloid contour teeth after heat treatment needs to be studied urgently;
- Although the cooperative unit has given great support to the test part, due to the limited conditions, the machining parameters obtained based on the active design of the actual tooth surface can not be actually cut. The subsequent work should verify whether the preset meshing performance is achieved through the measurement and roll inspection test after the actual tooth cutting.