Analysis of equal effect variation during final forging of helical gear
The strain distribution of helical gear blank during final forging is shown in the figure. The maximum strain during final […]
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Analysis of hot forging cold finishing process and stroke load curve of spiral bevel gear wheel
The hot forging simulation forming process of spiral bevel gear wheel is similar to the cold forging process. The model
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Energy consumption curve of spiral bevel gear in iterative step under different conditions
When the friction coefficient is 0.3 and 0.7 respectively, the energy consumption curves of iterative steps under different initial forging
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Analysis of load curve of iteration step in the general forming process of spiral bevel gear blank
The iterative step load curve of the general forming process of spiral bevel gear blank is shown in the figure,
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Strain and temperature in forging process of spiral bevel gear blank
Take three points as shown in Figure 1 to study the changes of stress, strain and temperature with time in
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Extrusion forming of spiral bevel gear blank
Extrusion is a plastic forming processing method that applies pressure to the spiral bevel gear blank in the die cavity
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Comparative analysis of numerical simulation of spiral bevel gear forging
The forging object of spiral bevel gear blank (without punching and trimming) is shown in the figure. Comparing the numerical
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Tooth alignment error and tooth profile error of large gear with pit bionic shape after test
A-F in the figure is the tooth direction error diagram of 24 teeth of the pit type large gear after
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Equivalent stress analysis of spiral gear during final forging
The equivalent stress distribution of spiral gear blank during final forging is shown in the figure. The maximum stress during
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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