Equivalent strain analysis of spiral bevel gear blank
As shown in the figure, the equivariant distribution diagram of five spiral bevel gear blank size schemes is shown, in […]
As shown in the figure, the equivariant distribution diagram of five spiral bevel gear blank size schemes is shown, in […]
As shown in the figure, the equivalent stress distribution diagram of five spiral bevel gear blank size schemes is shown, […]
Die forging refers to the process that the helical gear blank is formed in the die bore under the action […]
The vibration noise of helical gear system with modified friction coefficient of 0.1 is calculated. In order to study the […]
The three-dimensional mathematical model of the driven spiral bevel gear of the automobile rear axle is established by CATIA V5R21. […]
(1) Forging material The forming metal material selected for the driven spiral bevel gear of automobile rear axle is a […]
The actual production verification of precision forging of driven spiral bevel gear is carried out in Luoyang Guanhua Precision Forging […]
The precision forging process adopted is open die forging, as shown in the figure is the schematic diagram of open […]
As shown in figure (a) and (b), the flow direction and size distribution of metal in X and Y directions […]
As shown in the figure, the flow direction diagram of metal materials in different stages of bevel gear tooth profile […]
1. Establishment of finite element model According to the structural diagram of closed cold finishing and open cold finishing, the […]
① Simulation results of vibration and noise of helical gear system before modification The sound pressure nephogram of helical gear […]
The figure shows the universal material testing machine selected for experimental research. The maximum test load of the helical gear […]
By changing the die structure and the cone angle of lead billet, the test is carried out on the universal […]
The three-dimensional geometric modeling of the punch and die is completed by ug-3 software, as shown in the three-dimensional geometric […]
According to the characteristics of cold and closed bevel gear finishing, two schemes of cold and closed bevel gear finishing […]
The influence of the bearing stiffness of the central component of the system on the dynamic characteristics of planetary gears […]
As shown in the figure, the equivalent stress distribution diagram corresponding to different finishing quantities at the end of cold […]
The reason why lead is selected as the blank of spiral bevel gear is that the recrystallization temperature of lead […]
When forming parts under cold extrusion, the selection of die materials for precision forming of spiral bevel gear should have […]
To calculate the vibration noise of the acoustic boundary element model of helical gear system, it is necessary to obtain […]
Among the designed parts, the tooth shape concave die of spiral bevel gear is the most critical part. Because the […]
Bevel angle of preform of spiral bevel gear α It has a great influence on the filling fullness of tooth […]
In order to facilitate the analysis, a quarter of the spiral bevel gear is selected as the research object. As […]
The position of the inner shunting surface is determined by the relative height of the punch and the die core, […]
During the simulation, the temperatures of 900 ℃, 950 ℃, 1000 ℃, 1050 ℃ and 1100 ℃ are selected, and […]
The size of the outer shunt gap is determined by the distance between the lower end face of the upper […]
The figure shows the relationship curve of forming force corresponding to the finishing amount of bevel gear tooth blank. As […]
The size of the inner shunt gap is determined by the distance between the lower end face of the punch […]
The influence of the change of the relative position of the outer split surface on the tooth shape quality of […]
① Establishment of structural finite element model of helical gear system The acoustic grid requires the grid size to be […]
The shape of preform has a great influence on the cavity filling, material consumption and forming force of metal in […]
Analyze each tooth of the meshing diagram of the driving wheel and driven wheel, number each tooth, as shown in […]
Under the condition of ensuring the same volume and shape of the preform of spiral bevel gear, the internal split […]
Because DEFORM-3D software does not have the function of 3D modeling, UG modeling software is used to establish the solid […]
Figure (a) is the sectional grid diagram of some forgings before precision forging of driven spiral bevel gear, figures (b) […]
The driven spiral bevel gear of an automobile rear axle is taken as the research object, and its part structure […]
Using ADAMS software, the kinematics of non-circular gear is analyzed to verify whether the output transmission ratio of non-circular gear […]
Figure 1 is the structure diagram of the designed precision forging part. Because the tooth surface of the spiral bevel […]
At present, the main processing method of spiral bevel gear is cutting method, and its whole production process is: blank […]
In UG software, open the forging drawing interface, and open the analysis → measuring body → selecting body → volume […]
All mechanical motions are accompanied by the loss of mechanical energy, that is, all vibrations have damping. The damping force […]
The friction coefficient has an important influence on the dynamic response characteristics of helical gear. Based on the coupled dynamic […]
The pitch tooth line is a curve. This determines that when the teeth mesh, each pair of teeth can only […]
20CrMnTi gear steel is used for precision forging driven spiral bevel gear, and lead is selected as the simulation material. […]
In hot precision forging of driven bevel gear, the choice of die shape and size is very important. It not […]
Basic dimensions: the shape of the blank is close to the shape of the driven spiral bevel gear after forming. […]
Compared with mechanical press, friction press has no fixed bottom dead center, convenient installation and debugging of die and less […]
The main purpose of designing the precision forging blank of spiral bevel gear is to ensure that the metal can […]
The forming process of spiral bevel gear can be divided into three stages. The initial stage of deformation is at […]
In the gear transmission system, due to the need of lubrication and the manufacturing accuracy and installation error of gear […]
The compression test is carried out by Gleeble-1500 thermal simulation testing machine to find out the influence law of heating […]
1. Drawing of tooth profile of non-circular gear At present, the envelope method and tooth profile folding algorithm are mostly […]
The stiffness excitation and friction excitation change after helical gear modification. The coupling dynamic model of helical gear modification and […]
Example analysis of noncircular gear: the equation of transmission ratio i12 to be realized is as follows: Where, the transmission […]
The depth value greater than the microhardness 685 HV of carburized layer is recorded as the strengthening layer depth, and […]
1.Noncircular gear ratio The non-circular gear transmission ratio is a periodic function with the driving wheel angle as the independent […]
There are three cases for the influence of tooth surface contact phase angle on parameter excitation intensity: the first case, […]
Based on the 8-DOF coupling dynamic model of helical gear system, the Runge Kutta method is used to solve the […]
In the helical gear transmission of hybrid electric vehicle, although the rolling motion conditions are considered in the tooth surface […]