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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spur gear
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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
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Streamline model cavity for precision forging of spur gear
Professor Liu Quankun of Hefei University of technology proposed to simulate the continuous extrusion forming of spur gear through the
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Two dimensional contact boundary condition and loading setting of concave bionic spur gear
Consistent with the boundary condition setting of the smooth spur gear, restrict the degrees of freedom of all nodes in
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Establishment of two-dimensional model and meshing of concave bionic spur gear
Consistent with the two-dimensional modeling of smooth spur gear, the two-dimensional line contact peripheral contour curve of spur gear is
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Design of warm forging forming scheme for spur gear
Three kinds of warm forging die structures are set according to the structural characteristics of spur gear. As shown in
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Floating die technology for precision forging of spur gear
In 1987, British universities first proposed the idea of precision forging hollow parts with floating die. According to the principle
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Calculation results and stress analysis of two-dimensional contact stress of smooth spur gear
1. Equivalent stress analysis of two-dimensional line contact of smooth spur gears The general post processor in ANSYS is used
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Design of hot forging drawing of spur gear
Warm forging is equivalent to the pre forming step of spur gear. The design of pre forging drawing is based
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Precision forging technology of spur gear
Ohga K and Konda K first proposed to apply the shunting process to the precision forging technology of spur gears
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Design of cold forging drawing of spur gear
It is proposed to use the warm and cold composite process to process spur gears. It is divided into pre
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Precision forging technology of spur gear
Gear is an important part of mechanical transmission. Its main function is to transmit power and change the speed and
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Precision plastic forming process and principle of spur gear
In recent years, the precision forming of spur gears in China has been greatly developed, but there are still many
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Solution setting of two-dimensional contact analysis of spur gear
Spur gear contact is a typical nonlinear problem, and its solution process generally needs iterative calculation. There are problems of
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Boundary conditions and loading of two-dimensional contact analysis of spur gears
In the actual fatigue wear test of spur gear, the pinion is the driving spur gear and the big gear
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Numerical simulation and virtual reality simulation of compound forging process of spur gear
The 18CrNiMo7-6 spur gear of Zhengzhou Machinery Research Institute is taken as the research object. The spur gear is characterized
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Establishment of two-dimensional contact model and meshing of smooth spur gear
Using the advanced curve drawing function in the two-dimensional drawing software CAXA electronic Using the advanced curve drawing function in
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Compound forging forming of spur gear
As the key component of high-end equipment, the research on the precision forging process of large module spur gear has
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Research status of warm and cold compound process of spur gear in China and abroad
Warm cold composite forming technology is a new process abroad in the 1970s, but it was not widely used in
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Selection of technological parameters for rotary forging of spur gears
According to the production practice of spur gear, the elastic deformation in the forming process of spur gear blank is
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Feasibility and optimization analysis modeling of spur gear drum blank
In the case of the same volume and the same upper and lower bottom diameter, it is quite cumbersome to
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Numerical simulation and optimization of spur gear drum blank shape
As an analysis method in the process of metal plastic forming, numerical simulation does not need to build physical models,
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Deformation mechanism of spur gear blank
In the rotary forging process of spur gear, the contact area between the swing head and spur gear blank is
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Initial conditions for simulation of rotary forging process of spur bevel gears
According to the actual situation in the production and experiment of rotary forging of spur bevel gears, in order to
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Reducing energy consumption in ring rolling process of spur gear
Ring rolling module is a special module of DEFORM-3D to simulate spur gear ring rolling process, which is a method
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Reducing energy consumption in ring rolling process of spur gear
The advantages of spur gear ring rolling process include shorter production time, better quality, smaller tolerance and saving a lot
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Prediction of pitting life of spur gears
The structural parameters and test parameters of spur gear are as follows: the material of spur gear is 20CrMnTi, the
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Comparative wear test of concave bionic spur gear and smooth spur gear
In order to verify the test results of the previous ring block model samples, the size distribution of the pit
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Contact problem of automobile spur gear with concave bionic shape
The two-dimensional contact finite element analysis of spur gear meshing can only reflect the change of spur gear contact stress
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Two dimensional numerical simulation of contact problem of concave bionic spur gear
The two-dimensional contact numerical simulation of smooth and concave bionic spur gears is carried out by using the finite element
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Main shape parameters of spur gear
There are four main shape parameters of spur gears: cumulative pitch error, tooth thickness error, tooth direction error and tooth
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Two dimensional contact finite element analysis of smooth spur gear
Through the three-dimensional numerical simulation of the ring sample, it is concluded that the ring sample with a certain surface
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Wear resistance test of concave bionic spur gear
The comparative experimental study on the wear resistance of concave and smooth spur gears is carried out by using the
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3D modeling of modified spur gear based on Pro/E
Pro/E is a parametric modeling software, which can establish the three-dimensional model of spur gear through parameterization, which greatly improves
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Spur gear pitting based on multiaxial fatigue criterion
Fatigue pitting caused by the friction between the meshing surfaces of spur gears is one of the main failure forms
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Crack propagation analysis and fatigue life prediction of spur gear root
Generally, the models used in simulation analysis are simplified, and it is impossible to fully consider all factors; From the
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Propagation analysis of root crack of spur gear
Based on linear elastic fracture mechanics, the crack propagation and life of spur gear root are studied by using the