Brief introduction of dynamic theory of gear transmission system
The dynamic characteristics of gear system mainly include the natural frequency, dynamic response, dynamic stability, the influence of system parameters […]
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Scientific
Establishment of finite element model for static meshing of hypoid gears
1.Analysis type First, the static nonlinear meshing analysis is carried out. In the analysis step, the class’ static stress / […]
Scientific
Analysis of influence of installation deviation on static transmission error of alignment hypoid gear
The installation deviation of hypoid gears is mainly divided into four categories. The definition of installation deviation direction is shown […]
Scientific
Basic principle of time-varying meshing stiffness of spur gear
The dynamic excitation caused by the time-varying characteristics of meshing stiffness during gear meshing is called stiffness dynamic excitation of […]
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Development of bevel gear and transmission system
Relevant statistical analysis shows that the development difficulty of bevel gear and transmission system accounts for 9% ~ 13.5% of […]
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Establishment of finite element model for dynamic meshing of hypoid gears
When the rigidity of differential case, support bearing and support housing of drive axle hypoid gear is relatively large, their […]
Scientific
Spur gear finite element method
Since the early 1970s, people have begun to use the finite element method to calculate the elastic deformation and tooth […]
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Bevel gear of an Aeroengine
As a very important form of mechanical transmission, gear transmission system has the characteristics of strong bearing capacity, stable transmission, […]
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Characteristics of time-varying transmission error and meshing stiffness of hypoid gear of drive axle
The time-varying transmission error te (transmission error) and mesh stiffness change are the main excitation sources in the dynamic meshing […]
Scientific
The influence of speed change of hypoid gear on static transmission error
Different angular velocities are applied to the meshing model of hypoid gears, and there is no concept of velocity in […]
Scientific
Calculation method of meshing stiffness of gear teeth
Taking straight teeth as an example, the basic concept and properties of gear meshing stiffness are explained. Tooth meshing stiffness […]
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Isothermal forging technology of involute gear
Isothermal forging technology originated in the United States in the 1960s. It refers to the forging and forming of blank […]
Scientific
Influence of torque variation of hypoid gear on static transmission error
Load different resistance moments on the output end of the large gear, and the corresponding transmission error is shown in […]
Scientific
Analysis of mesh convergence of hypoid gears
Gear mesh generation strategy is directly related to the calculation speed and accuracy. In order to determine the finite element […]
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Prediction of bending stress of hypoid gear tooth root of automobile drive axle by finite element method
The finite element method is an important method to predict the bending stress of the hypoid gear tooth root of […]
Scientific
Analysis of Gama effect on the installation deviation of hypoid gears
The effect of the installation deviation Gama of the cross angle of the hypoid gear on the fatigue stress of […]
Scientific
Second order error of difference surface equation of logarithmic spiral bevel gear
The second-order error of logarithmic spiral bevel gear can be understood as the longitudinal and transverse drum shape error of […]
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Basic theory of gear transmission system dynamics
The dynamic behavior of gear transmission system mainly includes the dynamic meshing force, dynamic load coefficient, vibration and noise characteristics […]
Scientific
Comparison of influence degree of installation deviation on bending fatigue of hypoid gears
The influence range of each installation deviation on fatigue parameters is shown in the figure. According to the order of […]
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Research status of spiral bevel gear dynamics
Spiral bevel gear is widely used because of its strong bearing capacity and stable transmission. With the development of industrial […]
Scientific
Analysis on the influence of offset and installation deviation V of hypoid gears
As shown in Fig. 1, the influence of the installation deviation V of the offset distance of the hypoid gear […]
Scientific
Zero order error of difference surface equation of logarithmic spiral bevel gear
In the actual measurement of logarithmic spiral bevel gear, there is an offset in the measurement error. This offset can […]
Scientific
Establishment and analysis of difference surface equation of logarithmic spiral bevel gear
Difference surface is a widely used surface error analysis tool. It was initially applied to the error discrimination of first-order […]
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Dynamic characteristics of center bevel gear of an Aeroengine
For the aviation bevel gear transmission system, the arrangement is as follows: 1). A general introduction to the research background […]
Scientific
Fatigue Bench Test of hypoid gear
According to the requirements of the national driving axle fatigue test standard qc/t 533-1999, the test bench as shown in […]
Scientific
Calculation of tooth surface data points of logarithmic spiral bevel gear
The tooth surface data point coordinates of logarithmic spiral bevel gear are collected by 3D laser scanner, and the tooth […]
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Development of precision forging technology for Involute Gears
The precision forging of involute gear originated in Germany. In the 1950s, because there were not enough involute gear processing […]
Scientific
Comparison of influence degree of installation deviation on bending stress of hypoid gear
The variation of the maximum stress of the pinion root with the installation deviation is shown in Figure 1 and […]
Scientific
Establishment of theoretical tooth surface equation of logarithmic spiral bevel gear
The formation process of the tooth surface of the logarithmic spiral bevel gear can be regarded as that when the […]
Scientific
Analysis of the influence of installation deviation on the bending stress of hypoid gear tooth root of drive axle
An important goal of hypoid gear design is to optimize the performance of gear pair installation deviation. By measuring the […]
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Bending fatigue failure forms of hypoid gears
The bending stress of the tooth root of the hypoid gear based on the integral drive axle model is predicted. […]
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Research status of time-varying meshing characteristics of drive axle hypoid gears
Drive axle vibration often produces annoying sound, which affects the transmission efficiency of the drive axle and reduces the fatigue […]
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Involute gear tooth profile machining method
The key of involute gear machining is tooth profile machining. According to whether the material needs to be removed, the […]
Scientific
Establishment of mathematical model of real tooth surface of logarithmic spiral bevel gear
There are many ways to express the tooth surface equation of logarithmic spiral bevel gear, including explicit, implicit, parameter and […]
Scientific
Influence analysis of axial installation deviation h of hypoid gear pinion
As shown in Figure 1, when the axial installation position h of the hypoid gear pinion changes, the change trend […]
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Study on bending fatigue of hypoid gear tooth in China
In China, the research on the fatigue life of spur gears is mainly based on the method of stress life […]
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Research conclusion of reverse engineering of logarithmic spiral bevel gear
The research conclusion of reverse engineering of logarithmic spiral bevel gear is mainly reflected in the following aspects: 1.The tooth […]
Scientific
Tooth surface reconstruction of logarithmic spiral bevel gear
Tooth surface reconstruction is the core part of the whole reverse engineering technology. The basic idea of logarithmic spiral bevel […]
Scientific
Analysis on the influence of the installation deviation g of the large axle of hypoid gear
As shown in Figure 1, when the deviation g of the big axle of the hypoid gear changes towards the […]
Scientific
Bench test for measuring bending stress of hypoid gear tooth root
In order to verify the accuracy of the established finite element model, the tooth root bending stress in the meshing […]
Scientific
Bending strength and life prediction of hypoid gears and spiral bevel gears
In China, there are few studies on the bending stress of the hypoid tooth root of the drive axle, mainly […]
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Research on reverse engineering of logarithmic spiral bevel gear
Based on the research of reverse technology of logarithmic spiral bevel gear, this paper expounds several important links in the […]
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Analysis of tooth surface error of logarithmic spiral bevel gear
The tooth surface of logarithmic spiral bevel gear is a complex spatial curved surface shape, which makes its machining process […]
Scientific
Reconstruction of tooth surface curve of logarithmic spiral bevel gear
Curve is the basis of building surface. In reverse engineering, the commonly used curve reconstruction method is to interpolate the […]
Scientific
Analysis of the influence of installation deviation V of offset distance of hypoid gear
As shown in Figure 1, the change diagram of meshing footprint during the ideal meshing process of hypoid gear is […]
Scientific
Bending stress analysis of hypoid gear tooth root
Submit the established model to abaqus/standard solver, and finally get the finite element analysis results, as shown in Figure 1 […]
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Bending strength and life prediction of drive axle hypoid gear
The design of automobile drive axle is the same as the design of other parts of transmission system. It needs […]
Scientific
Establishment of mathematical model of spiral bevel gear
Spiral bevel gear modeling is determined by spiral bevel gear calculation software based on the basic parameters of the tooth […]
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Reverse engineering reconstruction of tooth surface of logarithmic spiral bevel gear and NUBRS interpolation principle
The surface reconstruction of logarithmic spiral bevel gear is to construct a real logarithmic spiral bevel gear tooth surface by […]
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Prediction and analysis of tooth root stress and fatigue life of drive axle hypoid gear
The bending fatigue of hypoid gear root of drive axle is affected by many parameters, including the geometry of hypoid […]
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Modeling of hypoid gear wheel and pinion
In HyperMesh, the geometric entity of hypoid gear is meshed. The curvature of hypoid gear changes greatly, especially the hypoid […]
Scientific
The example of reverse engineering design of non-circular gear
According to the function of the mechanism in the seedling picking cycle, the whole movement is divided into four processes: […]
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Data acquisition process of logarithmic spiral bevel gear
Take a pinion from the logarithmic spiral bevel gear pair, apply the prepared red lead powder evenly on the surface […]
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Basic structure of hypoid gear processing machine tool
Figure (a) shows gleason#116 hypoid gear processing machine tool. The machine tool obtains the convex or concave surface of the […]
Scientific
Automobile drive axle structure
The research object is a light truck drive axle, which is mainly composed of main reducer, axle housing, axle shaft, […]
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Machining of hypoid gear and spiral bevel gear
In 1981, Litvin and Gutman first proposed to use the comprehensive analysis method to determine the machining parameters of “format” […]
Scientific
Trajectory planning method considering the transmission performance of non-circular gears
On the basis of clarifying that the non-circular gear planetary gear train mechanism can be used as the actuator of […]
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Analysis of data acquisition error of logarithmic spiral bevel gear
In the data acquisition process of logarithmic spiral bevel gear, there are many uncertain and complex comprehensive errors, which directly […]
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Three dimensional model of drive axle hypoid gear
Aiming at the problem that it is difficult to obtain the tooth surface coordinates of HFT hypoid gears, this chapter […]
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Stress state of hypoid gear in drive axle main reducer
The stress state and fatigue life of hypoid gear in the main reducer of drive axle is one of the […]