The traditional tractor rear axle adopts planetary gear mechanism to change the transmission ratio, which not only achieves compact structure and small use area, but also achieves multiple transmission schemes and multiple transmission ratios. However, our traditional transmission arrangement often achieves multiple transmission ratios by arranging gear pairs of...
We can calculate the end face of a single spiral gear according to the following formula: Where B is the tooth width (mm); D is the outer diameter of the end face spiral gear (mm). Where n is the number of teeth; D is the outer diameter of end...
(1) Reverse engineering modeling technology construction curve The principle is to use as few control points as possible under the condition of meeting the accuracy requirements. It can be seen from Figure 1 that the curvature of the point cloud slice line on the working tooth surface of the...
After the pretreatment of the end face spiral gear is completed, the next task is to establish the coordinate system. The establishment of coordinate system is the basis of all 3D modeling, because all features in the later stage are generated based on the coordinate system established at this...
1. Division of nodes on tooth surface The axis plane coordinate system is established based on the arc tooth surface gear coordinate system Si, as shown in Figure 1. The abscissa is the coordinate axis Zi of the coordinate system Si, which coincides with the circular rotation axis of...
Then preprocess the reverse engineering point cloud file of end face spiral gear, remove the miscellaneous points, and smooth the surface to a certain extent. After the treatment, the reverse engineering point cloud of the end face spiral gear is sliced, and then the smoothing treatment is carried out...
With its special tooth shape, end face spiral gear has the advantages of high centering accuracy and strong bearing capacity. It is widely used in many fields such as industry, military and so on. Although the research on the theory, manufacturing and processing technology of end face spiral gear...
Establish the gear blank with tooth surface, as shown in Figure 1. Extract the top surface, inner conical surface and outer conical surface of the gear blank with arc tooth surface, trim and combine with the working tooth surface, tooth root transition surface and tooth bottom surface to obtain...
According to the point cloud construction curve of arc tooth surface gear, firstly slice the point cloud several times along the tooth length direction to obtain several point cloud slice lines, as shown in Figure 1. It can be seen from Figure 1 that the curved surface of the...
Face gear transmission is a kind of gear transmission in which cylindrical gears mesh with bevel gears. Angle between two wheel axes γ = At 90 °, the teeth of bevel gear will be distributed on a plane, that is, face gear. Straight teeth and helical teeth are commonly...