Gear transmission Tribology
Gear transmission device is an important component widely used in mechanical equipment. Today, with the rapid development of industrial production, […]
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Forging forming of spiral bevel gear blank
Forging is one of the main ways of manufacturing spiral bevel gears. The forging of spiral bevel gear can be
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Simulation and analysis of die drawing process of precision forging of spiral bevel gear
The die drawing process of spiral bevel gear precision forging is simulated in DEFORM-3D. The specific simulation process is as
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Overview of research on failure of hot forging die
Thermal wear and thermal fatigue analysis of forging die are two main forms of thermal failure, which can significantly improve
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Research on gear forging in China
China’s gear manufacturing industry started relatively late. It began to produce gears in the s of the last century and
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Forging of spiral bevel gear blank
Spiral bevel gear is a kind of transmission part that can drive stably and low noise according to stable transmission
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Numerical simulation of rotary forging of spur bevel gear blank
Due to the characteristics of rotary forging process, its motion form is different from traditional forging and has its particularity
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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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Simulated pressure stroke curve of spur bevel gear
The forming load time curve of straight bevel gear blanks with different shapes is shown in the figure. From the
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Bevel gear transmission system considering failure correlation
Because the bevel gear transmission system has no redundant design, when the independent hypothesis is used for reliability analysis, the
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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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Blank manufacturing simulation and die design of driven spiral bevel gear
A lot of simulation research has been carried out on the production process of driven spiral bevel gear blank and
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Influence of pitch cone angle change on forging difficulty of spiral bevel gear
From the observation of the factors affecting the forging difficulty of spiral bevel gear small wheel, the volume of spiral
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Introduction of research methods of rotary forging
At present, Britain, Japan, China, the former Soviet Union and Poland have done a lot of work on the research
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Plastic deformation and failure of automobile gear tooth surface
When the contact stress of automobile gear is too large, the plastic flow of tooth surface metal due to yield
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Maximum equivalent stress analysis of spiral bevel gear die
(1) Stress analysis method of spiral bevel gear die DEFORM-3D software has two methods for stress analysis of spiral bevel
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Simulation of equal effect variable distribution of spur bevel gear
The magnitude of equivalent effect variation reflects the deformation degree of metal. As shown in the figure, the typical equivalent
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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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Research and experimental analysis on hot forging cold finishing of spiral bevel gear
The hot forging cold finishing method is used for the experiment. Because the forging simulation of small wheel shows that
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Simulated velocity field distribution of spur bevel gear
Figure 1 intuitively reflects the forming conditions of blanks with different shapes. Figure 2 shows the upward forming speed distribution
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Simulation effect drawing of spur bevel gear
Due to the particularity of the forming process of rotary forging, it takes a long time to calculate in a
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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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Creating straight bevel gear model in UG
The shape of straight bevel gear is relatively complex, and its surface is basically composed of curves and curved surfaces.
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Establishment of geometric model of straight bevel gear forming
The establishment of straight bevel gear model is an important link in the preprocessing process of finite element simulation. A
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Tooth alignment error and tooth profile error of pit bionic pinion after test
In the figure, a is the tooth direction error diagram of the pit type pinion. Compared with before the test,
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Pre punching process of driven spiral bevel gear blank
The pre punching process is to prepare for the punching process and reserve the punching skin thickness for the punching
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Trimming of precision forging die for spiral bevel gear
Using the die model established by the software, the contact condition of the contact area can be observed through motion
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Influence of pitch cone angle change on forging difficulty of spiral bevel gear
The pitch cone angle is a very important parameter in the geometry of spiral bevel gear, which is directly related
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Parametric modeling of spur bevel gear
The original blank of spur bevel gear is determined according to the forging shape, size, forging method and the required
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Application of ring rolling technology in machining of driven spiral bevel gear
The driven spiral bevel gear of automobile rear axle is an important part of automobile main reducer. At first, in
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Plastic forming process of spur bevel gear
The results of experimental mechanics research methods come directly or indirectly from the measured data, which reduces or avoids many
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Research method of plastic forming process of spur bevel gear
The metal plastic forming process of spur bevel gear is a complex deformation process. The material characteristics, deformation speed, temperature,
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Numerical simulation of spur bevel gear forming
For the manufacturing industry, the core of competition in the 21st century will be the competition of new products. How
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Thermal fatigue of forging die for driven spiral bevel gear blank
(1) Aiming at the fatigue failure of the blank forging die of driven spiral bevel gear, the equivalent stress field
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Rotary forging forming of straight bevel gear
So far, great progress has been made in the research of swing rolling theory all over the world, such as
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Optimization and improvement of gear hub
After optimizing the process, the effective hardened layer depth of the tooth root is 1.4mm, as shown in Figure 1.
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Study on rotary forging forming of straight bevel gear
Research objectives By changing the parameters of the straight bevel gear blank, the forming force energy relationship and the law
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Rotary forging of straight bevel gear
Straight bevel gear is widely used in mechanical transmission, especially in automobile transmission mechanism. The traditional straight bevel gear processing
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Swing rolling process
Swing rolling, namely swing rolling, also known as axial rolling. It first appeared in the s. It was not until
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Machining of precision forging die for spiral bevel gear
Precision forging die processing of spiral bevel gear is the main means of rapid product development in industry for a
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Equivalent stress analysis of cold precision forging of spiral bevel gear wheel
From the figure, it can be seen that in the simulation of cold precision forging process, the equivalent stress distribution
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Swing rolling technology for bevel gear blank with tooth shape
Rotary forging is a processing method of local deformation, multiple accumulation and finally overall forming. It uses the upper die
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Application and development of rotary forging
At present, the countries producing rotary forging machines in the world include Japan, Germany, Switzerland, Poland and so on. In
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Research on rotary forging
Rotary forging is a new type of pressure processing technology, which has only entered the practical stage in the s.
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Thermal fatigue analysis of forging die for driven spiral bevel gear blank
In the actual production process, in addition to die wear, hot forging die cracking is also one of the main
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Dynamic reliability analysis of planetary gears considering strength degradation
Variation law of residual strength of planetary gears in flight vehicle transmission system. Taking the bending fatigue residual strength of
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Rotary forging process
Rotary forging has the following characteristics: Labor saving. Firstly, the deformation force during forging is determined by the product of
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Gear precision forging
Therefore, in recent years, the application of plastic forming technology to replace the traditional mechanical cutting methods has been paid
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Traditional gear manufacturing method
Gear processing technology can be roughly divided into four stages: gear blank processing, gear profile processing, heat treatment and finish
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Influence of displacement coefficient on strength of cylindrical gear
In order to study the influence of different modification coefficients on the strength of cylindrical gears, a group of cylindrical
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Tooth alignment error and tooth profile error of smooth large gear after test
In order to facilitate the comparison with the parameters before the test, the smooth big gear after the test also
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Blank shaping process of driven spiral bevel gear
The shaping process is forging, so that the blank is in good agreement with the ring rolling die, bite in
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Dimensions of automobile gear hobs
The size of automobile gear hob mainly includes diameter and length. The diameter of automobile gear hob usually depends on
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Simulation of manufacturing process and die life of driven spiral bevel gear blank
The whole production process of driven spiral bevel gear blank is simulated, and the ring rolling steps are mainly introduced.
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Temperature analysis of upper and lower dies of helical gear
The temperature field distribution of spiral gear die is the key factor of the life of spiral gear die. The
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Hot forging die wear of driven spiral bevel gear blank
The service life of spiral bevel gear blank hot forging die plays an important role in the process of hot
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Introduction to ring rolling technology
At present, ring rolling process is applicable to ring parts or blanks of various shapes, sizes and materials. Ring rolled
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Analysis of stroke load curve of cold precision forging of spiral bevel gear
During the cold precision forging of spiral bevel gear big wheel, the blank deforms under the loading force of the
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Analysis of cold precision forging process of spiral bevel gear wheel
After the simulation, open the post-processing option in the DEFORM-3D main window to view the simulation results. The post-processing window