Bending stress analysis and bending fatigue prediction of hypoid gear tooth root of drive axle
When the hypoid gear of the main reducer of the drive axle works in practice, the bending stress of the […]
When the hypoid gear of the main reducer of the drive axle works in practice, the bending stress of the […]
As a key assembly component in the automobile transmission system, the drive axle plays a role in reducing speed and […]
The main contents are as follows: a finite element based static transmission error calculation model is briefly described, and the […]
As early as 1820, many mathematicians have put forward the concept of hypoid gear. Its essence is a space geometry […]
Select a spur gear to calculate its stiffness. The reason why spur gear is selected as the research object is […]
When studying the traveling wave vibration of bevel gear, in order to calculate the resonant speed of bevel gear, we […]
The automobile has a development history of more than 100 years. With the continuous development and progress of technology, various […]
When the central bevel gear transmission system works, the fatigue fracture fault of the central bevel gear often occurs due […]
From the previous analysis, as long as the elastic deformation of the gear teeth is obtained, the time-varying meshing stiffness […]
In the radiated noise of SUV, bus, light truck and other power train, the drive axle is one of the […]
Fig. 1 shows the meshing coupling model of hypoid gear based on the finite element model. From the meshing diagram, […]
When the bevel gear is working, once the frequency of the exciting force generated by the meshing vibration dynamic load […]
From the comparison of the dynamic and static transmission errors of hypoid gears, it can be seen that when the […]
The following is a comparison of the change law of gear mesh stiffness when the gear load is different. Here, […]
There are two kinds of torsional vibration of bevel gear transmission system: low-frequency torsional vibration and high-frequency torsional vibration. Low […]
For the hypoid gear in the automobile drive axle, the previous research mainly focused on simulating the machining process of […]
In the dynamic analysis of the hypoid gear, the difference from the static analysis is that the input end of […]
The excitation of gear transmission system mainly includes the following two aspects: one is the internal excitation generated by the […]
The dynamic model of bevel gear transmission contains various geometric parameters, physical parameters and load parameters. The geometric parameters include […]
Since the 1970s, scholars have done extensive and in-depth research on gear transmission system. Scholars began with the simple dynamics […]
The torsional vibration analysis model only considers the torsional vibration of the system. In the vibration analysis of the gear […]
The dynamic characteristics of gear system mainly include the natural frequency, dynamic response, dynamic stability, the influence of system parameters […]
1.Analysis type First, the static nonlinear meshing analysis is carried out. In the analysis step, the class’ static stress / […]
The installation deviation of hypoid gears is mainly divided into four categories. The definition of installation deviation direction is shown […]
The dynamic excitation caused by the time-varying characteristics of meshing stiffness during gear meshing is called stiffness dynamic excitation of […]
Relevant statistical analysis shows that the development difficulty of bevel gear and transmission system accounts for 9% ~ 13.5% of […]
When the rigidity of differential case, support bearing and support housing of drive axle hypoid gear is relatively large, their […]
Since the early 1970s, people have begun to use the finite element method to calculate the elastic deformation and tooth […]
As a very important form of mechanical transmission, gear transmission system has the characteristics of strong bearing capacity, stable transmission, […]
The time-varying transmission error te (transmission error) and mesh stiffness change are the main excitation sources in the dynamic meshing […]
Different angular velocities are applied to the meshing model of hypoid gears, and there is no concept of velocity in […]
Taking straight teeth as an example, the basic concept and properties of gear meshing stiffness are explained. Tooth meshing stiffness […]
Isothermal forging technology originated in the United States in the 1960s. It refers to the forging and forming of blank […]
Load different resistance moments on the output end of the large gear, and the corresponding transmission error is shown in […]
Gear mesh generation strategy is directly related to the calculation speed and accuracy. In order to determine the finite element […]
The finite element method is an important method to predict the bending stress of the hypoid gear tooth root of […]
The effect of the installation deviation Gama of the cross angle of the hypoid gear on the fatigue stress of […]
The second-order error of logarithmic spiral bevel gear can be understood as the longitudinal and transverse drum shape error of […]
The dynamic behavior of gear transmission system mainly includes the dynamic meshing force, dynamic load coefficient, vibration and noise characteristics […]
The influence range of each installation deviation on fatigue parameters is shown in the figure. According to the order of […]
Spiral bevel gear is widely used because of its strong bearing capacity and stable transmission. With the development of industrial […]
As shown in Fig. 1, the influence of the installation deviation V of the offset distance of the hypoid gear […]
In the actual measurement of logarithmic spiral bevel gear, there is an offset in the measurement error. This offset can […]
Difference surface is a widely used surface error analysis tool. It was initially applied to the error discrimination of first-order […]
For the aviation bevel gear transmission system, the arrangement is as follows: 1). A general introduction to the research background […]
According to the requirements of the national driving axle fatigue test standard qc/t 533-1999, the test bench as shown in […]
The tooth surface data point coordinates of logarithmic spiral bevel gear are collected by 3D laser scanner, and the tooth […]
The precision forging of involute gear originated in Germany. In the 1950s, because there were not enough involute gear processing […]
The variation of the maximum stress of the pinion root with the installation deviation is shown in Figure 1 and […]
The formation process of the tooth surface of the logarithmic spiral bevel gear can be regarded as that when the […]
An important goal of hypoid gear design is to optimize the performance of gear pair installation deviation. By measuring the […]
The bending stress of the tooth root of the hypoid gear based on the integral drive axle model is predicted. […]
Drive axle vibration often produces annoying sound, which affects the transmission efficiency of the drive axle and reduces the fatigue […]
The key of involute gear machining is tooth profile machining. According to whether the material needs to be removed, the […]
There are many ways to express the tooth surface equation of logarithmic spiral bevel gear, including explicit, implicit, parameter and […]
As shown in Figure 1, when the axial installation position h of the hypoid gear pinion changes, the change trend […]
In China, the research on the fatigue life of spur gears is mainly based on the method of stress life […]
The research conclusion of reverse engineering of logarithmic spiral bevel gear is mainly reflected in the following aspects: 1.The tooth […]
Tooth surface reconstruction is the core part of the whole reverse engineering technology. The basic idea of logarithmic spiral bevel […]
As shown in Figure 1, when the deviation g of the big axle of the hypoid gear changes towards the […]