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 […]
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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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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.
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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
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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
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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
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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
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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
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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
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Research on cold forging of small module spiral bevel gear based on DEFORM-3D
Taking the small module spiral bevel gear as an example, the cold precision forging simulation research is carried out. The
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3D solid modeling of involute cylindrical gear based on CATIA
Because the process of establishing involute cylindrical gear in ANSYS is complex, CATIA, a 3D drawing software with powerful surface
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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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Machining parameters and TCA analysis of spiral bevel gear pair
The tooth surface with good meshing performance is the basis for creating precision forging die. Therefore, the premise of using
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Dynamic reliability analysis of bevel gear considering strength degradation
Due to the influence of random factors such as stress and environment, the strength degradation process is usually a continuous
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Gear transmission system of flying vehicle
Traditional flying vehicles refer to land and air amphibious vehicles that can drive on the ground and fly in the
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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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Near field stress-strain analysis of cylindrical gear meshing interface
Based on the pressure and shear stress at the meshing interface of cylindrical gear obtained from the above analysis, the
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Tooth alignment error and tooth profile error of pit bionic pinion before test
Consistent with the smooth pinion, the pit pinion is measured with 3 teeth to grasp the shape parameters of the
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Forging feasibility of spiral bevel gear
The forging technology of straight bevel gear is gradually mature, which provides a certain technical basis for the forging of
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Basic situation of automobile gear steel abroad
In foreign countries, the carburized gear steel initially used is basically manganese steel and manganese chromium steel. For example, the
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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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Description of basic parameters of spiral bevel gear pair
The geometric dimension of the wheel blank is the basis for the design and processing of the spiral bevel gear
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Forging gear simulation and production verification
According to the optimized preform shape and process parameters, the other parameters are set to the same value as. Use
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Installation posture of cylindrical gear profile cutter
The chamfering of tooth profile is different from the machining of tooth surface. In order to avoid scratching the tooth
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Wear resistance test of Automobile Gears
Through the friction and wear test, the comparative experimental research between the smooth sample and nine different pit bionic ring
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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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Tooth direction error and tooth profile error of smooth large gear before test
The smooth big gear has 24 teeth in total, which are measured by full teeth. The changes of morphological parameters
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Tooth direction error and tooth profile error of smooth pinion before test
The smooth pinion has 16 teeth in total. In this experiment, the pinion is measured with 3 teeth to grasp