Stiffness excitation analysis of spur gears and helical gears
(1) Time-varying meshing stiffness Because the gear teeth will produce elastic deformation when the gear is engaged, and the gear […]
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spur gear
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Vibration characteristics of spur gear pair with spalling fault
Set the initial state of the spur gear pair to zero, set the rectangular peeling at the pitch circle of […]
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System equation of spur gear pair
The dynamic model of 8-DOF spur gear pair is established by Lagrange equation. The system equation is: Where: FM is […]
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Flash temperature model of spur gear pair
For tooth surface contact temperature: Δ T. Mainly determined by the temperature of spur gear body Δ M and tooth […]
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Meshing stiffness of spur gear pair with spalling fault
It is assumed that the spalling fault shape of spur gear driving tooth surface is matrix (as shown in Fig. […]
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Vibration characteristics of spur gear pair with spalling fault due to tooth surface flash temperature
Involute spur gear pair is widely used in modern mechanical system because of its excellent performance. The working performance of […]
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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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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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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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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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Reconstruction of reverse engineering model of involute cylindrical spur gear
1. Data preprocessing Because the point cloud data of the involute cylindrical spur gear measured by the three coordinate machine […]
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Calculation of contact fatigue life of spur gear in reducer
According to the linear fatigue cumulative damage theory Miner theory, the stress amplitude of each stress level will cause certain […]
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Parameter verification of reverse engineering example of involute spur gear
1. Verification of tooth profile shape in reverse engineering software The figure shows the tooth profile in the reverse engineering […]
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Parameter calculation of reverse engineering example of involute spur gear
Taking involute spur gear as an example, this paper explains the mapping, calculation and verification of involute spur gear. In […]
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Contact fatigue S-N curve of spur gear of reducer
When the nominal stress method is used to calculate the contact fatigue of spur gear of reducer, it is mainly […]
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Parameter verification of reverse engineering of involute spur gear
The parameter verification of involute spur gear reverse engineering includes modulus, tooth shape angle, crown height coefficient, tooth root height […]
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Calculation of reverse engineering parameters of involute spur gear
1. Determine the modulus, tooth profile angle, top height coefficient and tooth root height coefficient When determining the module, tooth […]
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Collection of point cloud data in reverse engineering of involute cylindrical spur gear
The primary link of physical reverse engineering is reverse engineering point cloud data acquisition, also known as the digitization of […]
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Modification of spur gear in electric vehicle gearbox
In the driving process of electric vehicles, the gearbox is one of the main causes of vehicle noise. At this […]
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Elastic mechanics method for strength analysis of spur gears
Because the “cantilever beam” model is quite different from the real spur gear, the material mechanics method is difficult to […]
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Material mechanics method for strength analysis of spur gears
In the field of tooth bending strength calculation, the tooth bending strength formula including “tooth shape parameters” based on parabolic […]
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Root stress of spur gear transmission
Spur gear transmission is the most important transmission mode in mechanical equipment. It has the advantages of high transmission efficiency, […]
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Application test of negative modification spur gear
Take the center distance between the straight cylindrical gear hob and the straight cylindrical gear α Installation error e α= […]
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Universal verification of digital simulation method for hobbing process of spur gear
Based on Mathematica software, draw the right tooth surface of one tooth of spur cylindrical gear, and combine the right […]
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Application test based on gear hobbing model simulation of spur gear
Gear as the core mechanical foundation. Despite the high requirements for the manufacturing and installation accuracy of gears, with the […]
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Simulation of tooth surface model of spur gear
According to the parameters of spur gear, the indexing circle radius R2 of spur gear is: Where: M2 — modulus […]
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Establishment of tooth surface coordinate system of spur gear
The pressure equation at any point on the spur tooth surface of the cylindrical gear α ， The expanded length […]
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Establishment of tooth surface coordinate system of spur gear
Spur cylindrical gear coordinate system: SG, (OG: XG, YG, ZG) take the center of spur cylindrical gear as the origin […]
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Application of numerical simulation technology in spur gear forging
Before the 1990s, the research and production of gear forging were mainly based on physical simulation. That is because the […]
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Research on spur gear forging
The research on spur gear forging at home and abroad mainly focuses on the precision forging of spur gears. The […]
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Influence of cutting ratio of wheel blank on deformation of spur gear with different modulus
Ensure that the diameter of the spur gear is 3600mm, change the modulus of the spur gear to make it […]
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Time varying contact line load model for spur gears
The load distribution rate of spur gear in the double tooth meshing area near the root of the tooth is […]
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The influence of the cutting proportion of the wheel blank on the deformation of spur gears with different diameters
By changing the thickness of spur gear split wheel blank and carrying out finite element analysis on spur gear blank […]
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Establishment of time-varying contact line load model for spur gears
The elastic potential energy u formula of spur gear teeth is written as: Where: ux – bending potential energy; un […]
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Research on the mechanism of vibration and noise of spur gears
Figure 1 shows the meshing diagram of spur gear. Single tooth and double tooth meshing are carried out alternately. The […]
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Research status of spur gear transmission error
Gear error is another important excitation source of gear vibration and noise. The error is the difference between the actual […]
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Mechanism of vibration and noise of spur gears
The causes of spur gear vibration and noise are complex, and there are many sources. It has always been a […]
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Research status of spur gear tooth surface friction
In the early research, because the dynamic impact theoretical analysis and experimental analysis of tooth friction are also limited, the […]
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Dynamic excitation and loading mode of spur gear transmission
The dynamic excitation of spur gear transmission system is an important part of studying the dynamic characteristics of spur gears, […]
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Spur gear meshing impact
Scholars at home and abroad have also done a lot of research and Analysis on the meshing impact of gear […]
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Spur gear transmission with tooth surface friction in China
Spur gear transmission is widely used in the fields of machinery, electronics, textile, metallurgy, mining, automobile, aviation, aerospace and shipbuilding. […]
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Theory and method of spur gear modification
At present, there are many methods to modify spur gears. The main methods include tooth profile modification and tooth direction […]
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Finite element analysis of contact stress of spur gear
The mechanical properties of spur gear system have an important influence on the whole transmission. In recent years, the research […]
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Formation of tooth profile surface of spur helical gear
As shown in the figure, the forming process of the tooth profile surface of the involute straight tooth spur helical […]
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Spur gear meshing
This paper mainly studies spur gears from the perspective of dynamic contact analysis and consults relevant data at home and […]
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Finite element simulation analysis of optimization scheme of spur gear
As shown in Figure 1, the distribution of blank velocity field in the forming process after the optimization of spur […]
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Dynamic contact analysis of spur gears
As we all know, in the mechanical industry, spur gear transmission is widely used in a variety of mechanical equipment. […]
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Equivalent stress analysis of metal forming force of spur gear
As shown in Figure 1, the second-order effect force field of scheme is shown. As shown in figure a, in […]
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Study on extrusion forming technology of spur gear
The development of precision forming technology is extremely important to a country’s industrial development. European and American countries have long […]
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Analysis of metal forming force stroke load curve and die wear of spur gear
The metal forming force of spur gear is the main consideration basis for determining the die size and structure and […]
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Status of spur gear finite element analysis in China
K. Lwang and h.s.cheng used the finite element method to analyze the size and distribution of tooth body temperature of […]
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Additional torque in the processing of spur gear split wheel blank
It can be seen from the cross-section of the straight shaft that the cutting speed of the straight shaft tends […]
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Problems in forming spur gear by cold extrusion technology
At present, the main problems faced by the development and wide application of cold extrusion technology of spur gears are […]
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Analysis of metal forming velocity field of spur gear
As shown in Figure 1, the velocity field distribution in the blank forming process of scheme 1 is shown. As […]
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Application of cold extrusion technology in spur gear forming
Li Mingliang simulated the forming process of forward extrusion and reducing extrusion of spur gear on DEFORM-3D software. It was […]
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Finite element simulation analysis of warm forging of spur gear
Taking 18CrNiMo7-6 spur gear as the research object, the finite element models of three schemes are established, and the warm […]
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Classification of cold extrusion forming technology for spur gears
The cold extrusion technology of spur gear is a metal plastic forming process with less and no chip, which has […]
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Contact stress analysis of two-dimensional contact of concave bionic spur gear
As shown in the cloud diagram and partial enlarged diagram of the contact stress distribution of the concave spur gear, […]
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Equivalent stress analysis of two-dimensional contact of concave bionic spur gear
After the solution is completed, the equivalent stress of the two-dimensional contact of the concave spur gear is displayed by […]
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Formulation of cold forging forming scheme of spur gear
Cold finishing process is the last process in compound forming. It is the key point in the whole process to […]