Summary of fatigue pitting test bench for spur gears
It is a very complicated and random process that gear evolves from the healthy state of tooth surface to fatigue […]
It is a very complicated and random process that gear evolves from the healthy state of tooth surface to fatigue […]
In order to verify the simulation model, the minimum oil film thickness is far less than the root mean square […]
In the meshing process of gear pair, the relative sliding and rolling occurs between the meshing tooth surfaces, which causes […]
Adhesive wear is the most common fault type on the working surface of mechanical system, which often occurs on the […]
Through the gear contact fatigue test-bed, the evolution process of gear fatigue pitting phenomenon and the vibration response characteristics of […]
The standard involute gear with 20 ° pressure angle processed by rack cutter is shown in the figure. The complete […]
As shown in the figure, it is known that the input power P1 of the high-speed stage of the two-stage […]
As shown in the figure, it is known that the input power P1 of the high-speed stage of the two-stage […]
① According to the contact fatigue strength formula of tooth surface, the The constraint conditions of tooth surface are obtained […]
The transmission diagram of the reducer is shown in the figure, and the optimization design is carried out according to […]
Given the transmission power P, transmission ratio I and output speed n of the reducer, a set of technical parameters […]
The load stroke curves of the two processes are shown in the figure. It can be seen from the figure […]
The traditional and improved processes are used for experimental study. The typical deformation conditions of the blank during the deformation […]
In this paper, the first mock exam of the internal gear of a solid cylinder with no hub hub and […]
The traditional closed die forging of internal gear is shown in figure (a). In the process of pressing the blank […]
With reliable transmission quality and efficiency, gears are widely used in mechanical field, especially in military industry, aerospace and other […]
According to the equivalent dynamic model shown in the figure, the dynamic differential equation of the system can be deduced […]
According to the structural characteristics of each component in the system, a multi degree of freedom equivalent dynamic model of […]
As shown in the figure, the relative position relationship of each gear is in the meshing state. (1) Projection of […]
In order to analyze the dynamics of the system, firstly analyze the acceleration of each component in the planetary gear […]
The model of gear transmission system is the expression of system mechanics and mathematics, and is the basis of gear […]
Damping is an important introduction in the study of gear system dynamics. Because the damping value of gear system meshing […]
In the process of actual processing and installation of gears, it is inevitable to produce a variety of errors. These […]
(1) When the gear teeth are in the single tooth meshing area, the total energy u in the meshing pair […]
In the picture: RR — pitch circle radius; RRB — radius of base circle; RRF — root circle radius; φ […]
In the picture: RB — radius of base circle; RF — radius of tooth root circle; Bending stiffness Kb: Shear […]
According to Hertz law, the elastic compression of two isotropic elastic bodies can be described by two projectile near the […]
As shown in the figure is a sketch of the gear meshing pair with backlash. Its function is to reserve […]
The meshing phase relationship of planetary gears can be determined according to the position angle of planetary gears and the […]
In essence, stiffness excitation is a kind of parametric excitation based on the number of teeth. In the process of […]
The meshing frequency of gears refers to the meshing times of teeth in unit time. For NGW type planetary gear […]
From the point of view of vibration theory, gear transmission system is more complex than ordinary mechanical system, and the […]
As shown in the figure is the structural diagram of the straight gear planetary gear transmission system. The planetary carrier […]
As a complex sealed rotor system, the theoretical analysis and research of the system are carried out, and the related […]
Based on the dynamic theory, the planetary gear speed increasing system and the rotor system with contact seal are analyzed […]
The physical quantity measured by the sensor is the radial vibration acceleration signal of the rotor in the sealing tester, […]
Considering the gear meshing characteristics of the seal rotor system dynamic characteristics test device, the actual photos and overall structure […]
Considering that the test system is more complex, it is affected by many objective factors such as the accessories of […]
The number of planetary gears is n = 3, the comprehensive meshing error amplitude is e = 10 μ m, […]
The physical quantity measured in the test is mainly the radial vibration of the rotor in the sealing tester. Therefore, […]
The rotor with contact seal is taken as the research object. The simplified model is shown in Fig. 1. The […]
The sealed rotor system considering gear meshing characteristics is a complex mechanical system composed of gear pairs, rotors, seals and […]
The planetary gear transmission system studied in this paper has fixed inner gear ring, planetary carrier and sun gear as […]
As shown in the figure, the relative position relationship of each gear is in the meshing state. (1) Projection of […]
The reason why the contact seal can play a sealing role is that the contact between the seal and the […]
As shown in the figure, the relative position relationship of each gear is in the meshing state. (1) Projection of […]
In order to carry out dynamic analysis of the system, this section first analyzes the acceleration of each component in […]
From the point of view of vibration theory, gear transmission system is more complex than ordinary mechanical system, and the […]
As shown in the figure is the translation torsion coupling dynamic model of the spur gear transmission system established in […]
In essence, stiffness excitation is a kind of parametric excitation based on the number of teeth. In the process of […]
The model of gear transmission system is the expression of system mechanics and mathematics, and is the basis of gear […]
Damping is an important introduction in the study of gear system dynamics. Because the damping value of gear system meshing […]
The meshing phase relationship of planetary gears can be determined according to the position angle of planetary gears and the […]
In the process of actual processing and installation of gears, it is inevitable to produce a variety of errors. These […]
According to Hertz law, the elastic compression of two isotropic elastic bodies can be described by two projectile near the […]
As shown in Fig. 1, the sketch of gear meshing pair with backlash is used to reserve the side clearance […]
Based on the energy method, the relationship between the z-contact stiffness, bending stiffness, shear stiffness, radial compression deformation stiffness and […]
(1) Design variables The design variables of static performance optimization model and dynamic performance optimization model are the same. (2) […]
Based on the dynamic and static characteristics, the optimization model of tooth profile modification is established, and the optimization design […]
Firstly, the engagement process of the gear is analyzed. The engagement state and force diagram of the gear is shown […]