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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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. […]
Scientific
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 […]
Scientific
Gluing failure of automobile gear tooth surface
In the high-speed and heavy-duty gear transmission of automobile gears, the pressure in the meshing area of the tooth surface […]
Scientific
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 […]
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Swing rolling technology for bevel gear blank with tooth shape in China
In recent years, the research on rotary forging in China has made substantial development. For the research on swing rolling, […]
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Precision forging technology of gear blank with tooth profile
The material utilization rate and productivity of the machining process are both low, and its blank also has the disadvantages […]
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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 […]
Scientific
Hot forging die wear of driven spiral bevel gear blank
Determination of die wear and forming load test scheme determination of die wear and forming load test scheme aiming at […]
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Finite element simulation of reducing energy consumption in ring rolling process
The ring production process is a complex deformation process with different steps: upsetting, pre punching, punching, shaping and ring rolling, […]
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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 […]
Scientific
Streamline analysis of cylindrical gear ring blank making process
The distribution of metal streamline in each step of the blank making process of cylindrical gear ring is shown in […]
Scientific
Kinematic analysis of bevel gear transmission of flying vehicle
For the gear transmission system of flying vehicle, the meshing times of each gear in the system are different at […]
Scientific
Finite element simulation of modified cylindrical gear
1. Import model Through the method discussed above, we can establish the three-dimensional model of the modified cylindrical gear in […]
Scientific
Tooth direction error and tooth profile error of smooth pinion after test
In order to compare the changes of tooth direction error and tooth shape error of smooth pinion before and after […]
Scientific
Blank punching process of driven spiral bevel gear
After the calculation of pre punching process is completed, enter the forming module of software pre-processing, add punching steps and […]
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Upsetting process of driven spiral bevel gear blank
The upsetting process is upsetting with ordinary flat anvil, and the initial blank bar size of driven spiral bevel gear […]
Scientific
Three dimensional modeling of cold precision forging spiral bevel gear die
Using the “model” module in UG, a simple model of spiral bevel gear die is drawn. The steps are as […]
Scientific
Basic parameters of cylindrical gear
The research on Isothermal Elastohydrodynamic Lubrication of cylindrical gears does not consider the influence of time and temperature changes on […]
Scientific
Material of driven spiral bevel gear
The metal material used in the blank simulation of driven spiral bevel gear is low carbon steel 20CrMnTi. The chemical […]
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Tooth profile design and precision forging of spiral bevel gear
The tooth profile and die design of precision forged spiral bevel gear are studied, and the machining experiments are carried […]
Scientific
Pitting failure of automobile gear tooth surface
Fatigue pitting of the tooth surface of automobile gear is a common failure form of closed soft tooth surface gear […]
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Manufacturing simulation of driven spiral bevel gear blank
For the blank of a driven spiral bevel gear of ZHY gear, the production process and die of the driven […]
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Failure mode of hot forging die
(1) Wear failure Wear failure refers to the failure caused by the friction loss between the working surface of the […]
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Technical advantages of gear ring rolling
Gear ring rolling is a continuous local plastic forming process, which is the intersection and combination of rolling technology and […]
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Symmetrical double cone roll rolling technology for toothed blank of spiral bevel gear
Symmetrical double cone roll rolling technology and rotary rolling technology are the same technology of local pressurization and continuous accumulation […]
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Plastic forming of toothless blank of spiral bevel gear
In the traditional technology, the processing of spiral bevel gear should go through the processes of heat treatment before blank […]
Scientific
Structure and basic parameters of bevel gear transmission system of flying vehicle
The gear transmission system of flying vehicle studied in this paper is composed of one-stage planetary gear train and two-stage […]
Scientific
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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Methods of improving wear resistance of Automobile Gears
Traditionally, the methods to improve the wear resistance of gears are mainly to change the gear manufacturing materials or the […]
Scientific
Establishment of three-dimensional model of spiral bevel gear
1. Modeling of gear tooth surface Importing the data of tooth surface points into UG can generate tooth surface pieces. […]
Scientific
Wear failure of automobile gear tooth surface
In automobile gear transmission, there are many different forms of tooth surface wear with different working conditions. There are mainly […]
Scientific
Calculation of three-dimensional contact stress of smooth cylindrical gear
1. Equivalent stress analysis of three-dimensional contact of smooth cylindrical gear The results of three-dimensional contact equivalent stress of cylindrical […]
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Die analysis of spiral bevel gear forging
Whether the forging can be out of the die is an important factor that must be considered in forging. The […]
Scientific
Three dimensional contact boundary conditions and loading settings of smooth cylindrical gears
According to the static contact analysis principle of cylindrical gear, the passive cylindrical gear needs to be completely fixed, and […]
Scientific
Three dimensional contact finite element model of smooth cylindrical gear
Figure 1 shows the three-dimensional contact solid model of cylindrical gear after importing ANSYS. The general preprocessor in ANSYS is […]
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Prediction of pitting life of cylindrical gears
In order to verify the fatigue pitting corrosion model of cylindrical gear, the FZG cylindrical gear wear tester in the […]
Scientific
Tooth alignment error and tooth profile error of pit bionic large gear before test
In order to make it more convenient and intuitive to compare the measurement data of smooth big gear and pit […]
Scientific
Wear resistance of automotive cylindrical gears
Automobile cylindrical gear is the main component to transmit driving power. Its wear resistance directly affects the service life of […]
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Wear resistant coating on gear surface
Surface coating and surface coating wear-resistant materials increase the wear resistance. For example, Eagle innovations has developed a new metal […]
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Gear surface strengthening technology
Surface hardening treatment, such as surface quenching, shot peening and laser surface strengthening, can obtain the surface hardening layer, but […]
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Basic situation of automotive gear steel in China
In China’s automobile industry, the materials used for gears in the gearbox have mainly used the gear steel series of […]