Machining of cylindrical helical gears considering manufacturing errors
Cylindrical helical gear is a common transmission component in industrial machinery, which is widely used in transportation, aviation, shipbuilding and […]
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Scientific
Optimization of transmission error of helical gear in reducer of a pure electric vehicle
In order to reduce the transmission error below 1, the modification amount of helical gear is analyzed. First, analyze the […]
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Research status of spiral bevel gear in China
China’s research on spiral bevel gear processing mainly focuses on the research on the processing technology and equipment of Gleason […]
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VH-CATT cutting forming principle of variable hyperbolic arc tooth profile gear
Compared with the traditional cylindrical gear, the tooth line of vh-catt is special. It is arc-shaped on the plane that […]
Scientific
Order reduction and initial value selection of bevel gear dynamic equation
The variable step adaptive Runge Kutta numerical integration method will be used to solve the nonlinear dynamic differential equation of […]
Scientific
Calculation of power loss of gearbox
The power loss of the gearbox mainly includes oil stirring loss, wind resistance loss, gear meshing loss and bearing loss. […]
Scientific
VH-CATT cutting simulation of variable hyperbolic arc tooth profile gear
Using the finite element simulation method to analyze the actual machining of gears, the force of the tool in the […]
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Cutting simulation and parameter optimization of variable hyperbolic arc gear
Variable hyperbolic arc tooth profile cylindrical gear (vh-catt) is a new type of gear which applies arc tooth profile to […]
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Research status of spiral bevel gear abroad
The cutting technology of spiral bevel gear was first proposed by Ernst wildhaber and Meriwether L. Baxter of Gleason company […]
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Spiral bevel gear based on the generation principle of spherical involute tooth surface
Spiral bevel gears are widely used in aviation, ships, national defense technical equipment, machine tools, automobiles, engineering machinery, mining machinery […]
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Dimensionless of dynamic equation of bevel gear
The dynamic equation of bevel gear is a nonlinear second-order differential equation with variable parameters. If it is solved directly […]
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Introduction of gear transmission error of a pure electric vehicle reducer
1.Introduction to transmission error of reducer gear There is a gear pair in the reducer. Theoretically, under the ideal assumption, […]
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Transmission error analysis of helical gear of a pure electric vehicle reducer
The transmission error of the first stage reduction driving helical gear in the reducer of a pure electric vehicle is […]
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Transmission error of reducer gear of a pure electric vehicle
In the development of NVH for pure electric vehicles, the noise problem of the reducer is often found. The howling […]
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Study on dynamic characteristics of aeroengine center bevel gear
The dynamics of bevel gear transmission system has been studied, but due to the author’s limited level and the complexity […]
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Calculation of natural frequency of center bevel gear
ANSYS software is used to calculate the natural frequency of the central bevel gear of an aeroengine, and the static […]
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Dynamic characteristics of aeroengine center bevel gear
The research work is carried out on the bevel gear fault of an aeroengine under research. The current situation of […]
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Innovation on strength and time-varying meshing characteristics of hypoid gear of drive axle
Taking the hypoid gear of the drive axle as the research object, the mechanism of fatigue and noise generation of […]
Scientific
Meshing stiffness of hypoid gears
The meshing stiffness of hypoid gears can be obtained by substituting the data of gear force, static transmission error and […]
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Assembly simulation of hypoid gears
Virtual assembly is to determine the relative position between models and complete model assembly through the reference and link relationship […]
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Calculation of comprehensive meshing stiffness of central bevel gear pair
Same as spur gear. In the actual working state of the central bevel gear, the meshing of the teeth is […]
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Research on Simulation of hypoid gear
In order to analyze the hypoid gear alignment, an accurate geometric model must be established to lay a foundation for […]
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Boundary conditions and finite element mesh generation of central bevel gear
The physical parameters of the material used for the central bevel gear at working temperature are: elastic modulus, Poisson’s ratio […]
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Prediction and test of noise radiation of hypoid gear of drive axle
The noise prediction model of Hypoid Gear Meshing Based on drive axle is established. Firstly, the classical 14 DOF lumped […]
Scientific
Load transmission error of hypoid gear
Conduct contact analysis (LTCA) on the hypoid gear under load. The resistance torque applied at the output end of the […]
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Hypoid gear create steps
ZHY gear provided the part drawing and assembly drawing of the hypoid gear of the main reducer of a certain […]
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Calculation and analysis of dynamic characteristics of aeroengine central bevel gear
Firstly, according to the calculation principle of the meshing comprehensive stiffness of bevel gear teeth introduced, the time-varying comprehensive stiffness […]
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Simulation and finite element method of hypoid gears
Hypoid gears are widely used in automobile, aircraft, ship, machinery, high-precision processing equipment and other fields. Its transmission has the […]
Scientific
Solution results of bevel gear dynamic equation and analysis of its dynamic characteristics
The basic input involved in the dynamic equation of bevel gear transmission system. The time-varying meshing stiffness of bevel gear […]
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Resonance analysis of central bevel gear of an Aeroengine
The structure diagram of an aeroengine is shown in Figure 1. As can be seen from Figure 1, the central […]
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Characteristics of time-varying transmission error and meshing stiffness of hypoid gear of drive axle
The time-varying transmission error and meshing stiffness of the hypoid gear of the drive axle are directly related to the […]
Scientific
Cutting principle of hypoid gear
The hypoid gear of the micro car main reducer is processed on the hypoid gear milling machine. The processing principle […]
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Simulation of hypoid gears
With the development of numerical calculation methods, the finite element method (FEM) has been widely used in engineering analysis. It […]
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Common methods for solving dynamic equations of bevel gears
The dynamic equation of bevel gear is a differential equation, which belongs to the initial value problem. The traditional methods […]
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Innovation on strength and time-varying meshing characteristics of hypoid gear of drive axle
The bending fatigue strength and time-varying meshing characteristics of hypoid gears of drive axle are studied. Because of the complex […]
Scientific
No load contact analysis of hypoid gears based on finite element method
According to the meshing stiffness calculation model of hypoid gears, it is necessary to calculate the transmission error of hypoid […]
Scientific
Traveling wave vibration analysis of bevel gear
Although there are many harmonics in the meshing force of bevel gear, not all harmonics can arouse the resonance of […]
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Hypoid gear of car main reducer
The structure of the rear axle is shown in Fig. 1. The vibration and noise are always associated with each […]
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Development of hypoid gears in China
In the 1970s, China began to study the technology related to hypoid gears. It mainly focused on “Gleason gear”, listed […]
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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 […]
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Prediction and experimental study on noise radiation of hypoid gear of drive axle
As a key assembly component in the automobile transmission system, the drive axle plays a role in reducing speed and […]
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Hypoid gear of light truck drive axle
The main contents are as follows: a finite element based static transmission error calculation model is briefly described, and the […]
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History of hypoid gears
As early as 1820, many mathematicians have put forward the concept of hypoid gear. Its essence is a space geometry […]
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Verification of calculation accuracy of spur gear stiffness model
Select a spur gear to calculate its stiffness. The reason why spur gear is selected as the research object is […]
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Natural frequency of traveling wave vibration of bevel gear
When studying the traveling wave vibration of bevel gear, in order to calculate the resonant speed of bevel gear, we […]
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Hypoid gear of main reducer
The automobile has a development history of more than 100 years. With the continuous development and progress of technology, various […]
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Calculation and analysis of inherent characteristics of central bevel gear transmission
When the central bevel gear transmission system works, the fatigue fracture fault of the central bevel gear often occurs due […]
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Calculation of elastic deformation of spur gear teeth
From the previous analysis, as long as the elastic deformation of the gear teeth is obtained, the time-varying meshing stiffness […]
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Prediction and experimental study on noise radiation of hypoid gear of drive axle
In the radiated noise of SUV, bus, light truck and other power train, the drive axle is one of the […]
Scientific
Calculation model of meshing stiffness of hypoid gears
Fig. 1 shows the meshing coupling model of hypoid gear based on the finite element model. From the meshing diagram, […]
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Traveling wave vibration principle of bevel gear
When the bevel gear is working, once the frequency of the exciting force generated by the meshing vibration dynamic load […]
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Analysis on the influence of input speed change of hypoid gear on dynamic transmission error
From the comparison of the dynamic and static transmission errors of hypoid gears, it can be seen that when the […]
Scientific
Influence of load on meshing stiffness of hypoid gears
The following is a comparison of the change law of gear mesh stiffness when the gear load is different. Here, […]
Scientific
Torsional vibration of bevel gear transmission
There are two kinds of torsional vibration of bevel gear transmission system: low-frequency torsional vibration and high-frequency torsional vibration. Low […]
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Calculation and analysis of meshing stiffness of hypoid gear of drive axle
For the hypoid gear in the automobile drive axle, the previous research mainly focused on simulating the machining process of […]
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Comparison between static transmission error and dynamic transmission error of hypoid gears
In the dynamic analysis of the hypoid gear, the difference from the static analysis is that the input end of […]
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Types and properties of dynamic excitation in gear transmission system
The excitation of gear transmission system mainly includes the following two aspects: one is the internal excitation generated by the […]
Scientific
Determination of main parameters in bevel gear dynamic system model
The dynamic model of bevel gear transmission contains various geometric parameters, physical parameters and load parameters. The geometric parameters include […]
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Research status of dynamics of gear transmission system
Since the 1970s, scholars have done extensive and in-depth research on gear transmission system. Scholars began with the simple dynamics […]
Scientific
Torsional vibration analysis model of bevel gear transmission system
The torsional vibration analysis model only considers the torsional vibration of the system. In the vibration analysis of the gear […]