By changing the thickness of spur gear split wheel blank and carrying out finite element analysis on spur gear blank […]
The elastic potential energy u formula of spur gear teeth is written as: Where: ux – bending potential energy; un […]
Figure 1 shows the meshing diagram of spur gear. Single tooth and double tooth meshing are carried out alternately. The […]
Gear error is another important excitation source of gear vibration and noise. The error is the difference between the actual […]
The causes of spur gear vibration and noise are complex, and there are many sources. It has always been a […]
In the early research, because the dynamic impact theoretical analysis and experimental analysis of tooth friction are also limited, the […]
The dynamic excitation of spur gear transmission system is an important part of studying the dynamic characteristics of spur gears, […]
Scholars at home and abroad have also done a lot of research and Analysis on the meshing impact of gear […]
Spur gear transmission is widely used in the fields of machinery, electronics, textile, metallurgy, mining, automobile, aviation, aerospace and shipbuilding. […]
At present, there are many methods to modify spur gears. The main methods include tooth profile modification and tooth direction […]
The mechanical properties of spur gear system have an important influence on the whole transmission. In recent years, the research […]
As shown in the figure, the forming process of the tooth profile surface of the involute straight tooth spur helical […]
This paper mainly studies spur gears from the perspective of dynamic contact analysis and consults relevant data at home and […]
As shown in Figure 1, the distribution of blank velocity field in the forming process after the optimization of spur […]
As we all know, in the mechanical industry, spur gear transmission is widely used in a variety of mechanical equipment. […]
As shown in Figure 1, the second-order effect force field of scheme is shown. As shown in figure a, in […]
The development of precision forming technology is extremely important to a country’s industrial development. European and American countries have long […]
The metal forming force of spur gear is the main consideration basis for determining the die size and structure and […]
K. Lwang and h.s.cheng used the finite element method to analyze the size and distribution of tooth body temperature of […]
It can be seen from the cross-section of the straight shaft that the cutting speed of the straight shaft tends […]
At present, the main problems faced by the development and wide application of cold extrusion technology of spur gears are […]
As shown in Figure 1, the velocity field distribution in the blank forming process of scheme 1 is shown. As […]
Li Mingliang simulated the forming process of forward extrusion and reducing extrusion of spur gear on DEFORM-3D software. It was […]
Taking 18CrNiMo7-6 spur gear as the research object, the finite element models of three schemes are established, and the warm […]
The cold extrusion technology of spur gear is a metal plastic forming process with less and no chip, which has […]
As shown in the cloud diagram and partial enlarged diagram of the contact stress distribution of the concave spur gear, […]
After the solution is completed, the equivalent stress of the two-dimensional contact of the concave spur gear is displayed by […]
Cold finishing process is the last process in compound forming. It is the key point in the whole process to […]
Professor Liu Quankun of Hefei University of technology proposed to simulate the continuous extrusion forming of spur gear through the […]
Consistent with the boundary condition setting of the smooth spur gear, restrict the degrees of freedom of all nodes in […]
Consistent with the two-dimensional modeling of smooth spur gear, the two-dimensional line contact peripheral contour curve of spur gear is […]
Three kinds of warm forging die structures are set according to the structural characteristics of spur gear. As shown in […]
In 1987, British universities first proposed the idea of precision forging hollow parts with floating die. According to the principle […]
1. Equivalent stress analysis of two-dimensional line contact of smooth spur gears The general post processor in ANSYS is used […]
Warm forging is equivalent to the pre forming step of spur gear. The design of pre forging drawing is based […]
Ohga K and Konda K first proposed to apply the shunting process to the precision forging technology of spur gears […]
It is proposed to use the warm and cold composite process to process spur gears. It is divided into pre […]
Gear is an important part of mechanical transmission. Its main function is to transmit power and change the speed and […]
In recent years, the precision forming of spur gears in China has been greatly developed, but there are still many […]
Spur gear contact is a typical nonlinear problem, and its solution process generally needs iterative calculation. There are problems of […]
In the actual fatigue wear test of spur gear, the pinion is the driving spur gear and the big gear […]
The 18CrNiMo7-6 spur gear of Zhengzhou Machinery Research Institute is taken as the research object. The spur gear is characterized […]
Using the advanced curve drawing function in the two-dimensional drawing software CAXA electronic Using the advanced curve drawing function in […]
As the key component of high-end equipment, the research on the precision forging process of large module spur gear has […]
Warm cold composite forming technology is a new process abroad in the 1970s, but it was not widely used in […]
According to the production practice of spur gear, the elastic deformation in the forming process of spur gear blank is […]
In the case of the same volume and the same upper and lower bottom diameter, it is quite cumbersome to […]
As an analysis method in the process of metal plastic forming, numerical simulation does not need to build physical models, […]
In the rotary forging process of spur gear, the contact area between the swing head and spur gear blank is […]
According to the actual situation in the production and experiment of rotary forging of spur bevel gears, in order to […]
Ring rolling module is a special module of DEFORM-3D to simulate spur gear ring rolling process, which is a method […]
The advantages of spur gear ring rolling process include shorter production time, better quality, smaller tolerance and saving a lot […]
The structural parameters and test parameters of spur gear are as follows: the material of spur gear is 20CrMnTi, the […]
In order to verify the test results of the previous ring block model samples, the size distribution of the pit […]
The two-dimensional contact finite element analysis of spur gear meshing can only reflect the change of spur gear contact stress […]
The two-dimensional contact numerical simulation of smooth and concave bionic spur gears is carried out by using the finite element […]
There are four main shape parameters of spur gears: cumulative pitch error, tooth thickness error, tooth direction error and tooth […]
Through the three-dimensional numerical simulation of the ring sample, it is concluded that the ring sample with a certain surface […]
The comparative experimental study on the wear resistance of concave and smooth spur gears is carried out by using the […]
Pro/E is a parametric modeling software, which can establish the three-dimensional model of spur gear through parameterization, which greatly improves […]
