Analysis of stroke load curve of precision forging of spiral bevel gear
During the precision forging process of the driven spiral bevel gear of the automobile rear axle, the load will change […]
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Equivalent stress and equivalent strain analysis of bevel gear blank
By analyzing the equivalent stress distribution obtained from each group of simulation experiments, it is found that the equivalent stress
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Equivalent stress analysis of spiral bevel gear blank
Stress is the internal force per unit area, which reflects the stress of spiral bevel gear blank. Figures (a), (b),
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Split flow finishing of spiral bevel gear tooth top
It can be seen from the research that the change of finishing forming force is not only affected by the
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Numerical simulation of warm precision forging process of driven spiral bevel gear of automobile rear axle
Using CATIA V5R21 three-dimensional mathematical modeling software, the three-dimensional mathematical models of upper and lower dies and blanks in the
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Die structure optimization of bevel gear
The role of bevel gear die in the process of metal plastic forming is huge. In the process of metal
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Motion simulation of helical gear hobbing
After the assembly of hob and helical gear, the following settings must be completed before the hobbing motion simulation of
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Analysis of stroke load curve of bevel gear die
Different bevel gear die structures will directly affect the metal flow, thus affecting the load required in the forming process.
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Optimization of friction factor in helical gear forming
In the process of forming helical gear by precision forging, friction will inevitably occur between the blank and the die
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Analysis of joint velocity of spiral bevel gear
The node velocity reflects the speed of metal flow at the node at a certain movement time. Figures (a), (b),
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Equivalent strain analysis of spiral bevel gear blank
Strain is a physical quantity indicating the size of deformation, the accumulation process of plastic deformation and the development process
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Equivalent stress and equivalent strain analysis of helical gear forming
At different forming speeds, the distribution law of equivalent stress in the forming process of each simulation experiment is basically
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Finishing quantity of tooth profile blank of spiral bevel gear
The unreasonable selection of the finishing quantity will directly affect the filling condition of the tooth profile and the roughness
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Analysis of forming stroke load curve of spiral bevel gear
The speed of forming speed has a very important impact on the processing efficiency and quality of forgings. With the
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Equivalent stress analysis of spiral bevel gear forming
For the process of precision forging the driven spiral bevel gear of automobile rear axle at different temperatures, the distribution
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Analysis of stroke load curve in forming process of spiral bevel gear
Analyze the stroke load curve of the forming process of the driven spiral bevel gear of the automobile rear axle
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Influence of real tooth surface of spiral bevel gear on transmission error
On ABAQUS software, the meshing process of spiral bevel gear is divided into 200 incremental steps. In the dynamic analysis,
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Optimization simulation of forming temperature of spiral bevel gear blank
The plasticity of metal is related to temperature. The higher the temperature, the better the plasticity of metal. For forging,
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Equivalent strain analysis of spiral bevel gear blank
As shown in the figure, the equivariant distribution diagram of five spiral bevel gear blank size schemes is shown, in
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Equivalent stress analysis of spiral bevel gear blank
As shown in the figure, the equivalent stress distribution diagram of five spiral bevel gear blank size schemes is shown,
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Optimization of blank size of helical gear
Die forging refers to the process that the helical gear blank is formed in the die bore under the action
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Influence of different friction coefficients on vibration and noise of helical gear system after modification
The vibration noise of helical gear system with modified friction coefficient of 0.1 is calculated. In order to study the
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Finite element model of precision forging of spiral bevel gear
The three-dimensional mathematical model of the driven spiral bevel gear of the automobile rear axle is established by CATIA V5R21.
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Die forging process of spiral bevel gear
(1) Forging material The forming metal material selected for the driven spiral bevel gear of automobile rear axle is a
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Production verification of precision forging of driven spiral bevel gear
The actual production verification of precision forging of driven spiral bevel gear is carried out in Luoyang Guanhua Precision Forging
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Forging technology of spiral bevel gear
The precision forging process adopted is open die forging, as shown in the figure is the schematic diagram of open
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Metal flow law of precision forging of spiral bevel gear
As shown in figure (a) and (b), the flow direction and size distribution of metal in X and Y directions
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Flow analysis of metal material in bevel gear tooth blank finishing
As shown in the figure, the flow direction diagram of metal materials in different stages of bevel gear tooth profile
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Numerical simulation of cold finishing of spiral bevel gear
1. Establishment of finite element model According to the structural diagram of closed cold finishing and open cold finishing, the
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Influence of modification on vibration and noise of helical gear system
① Simulation results of vibration and noise of helical gear system before modification The sound pressure nephogram of helical gear
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Double split precision forging test equipment for helical gears
The figure shows the universal material testing machine selected for experimental research. The maximum test load of the helical gear
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Die test results of spiral bevel gear
By changing the die structure and the cone angle of lead billet, the test is carried out on the universal
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Mesh analysis of precision forging blank of driven spiral bevel gear
The three-dimensional geometric modeling of the punch and die is completed by ug-3 software, as shown in the three-dimensional geometric
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Forming technology of cold extrusion finishing tooth profile of spiral bevel gear
According to the characteristics of cold and closed bevel gear finishing, two schemes of cold and closed bevel gear finishing
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Influence of support stiffness on dynamic characteristics of planetary gears
The influence of the bearing stiffness of the central component of the system on the dynamic characteristics of planetary gears
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Equivalent stress of finishing quantity of bevel gear tooth blank
As shown in the figure, the equivalent stress distribution diagram corresponding to different finishing quantities at the end of cold
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Preparation of casting blank for spiral bevel gear
The reason why lead is selected as the blank of spiral bevel gear is that the recrystallization temperature of lead
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Material of precision forming die for spiral bevel gear
When forming parts under cold extrusion, the selection of die materials for precision forming of spiral bevel gear should have
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Acquisition of boundary conditions for vibration and noise simulation of helical gear system
To calculate the vibration noise of the acoustic boundary element model of helical gear system, it is necessary to obtain
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Manufacturing of precision forming die for spiral bevel gear
Among the designed parts, the tooth shape concave die of spiral bevel gear is the most critical part. Because the
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Influence of bevel angle of spiral bevel gear preform on metal forming
Bevel angle of preform of spiral bevel gear α It has a great influence on the filling fullness of tooth
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Simulation of tooth profile precision forging process of spiral bevel gear
In order to facilitate the analysis, a quarter of the spiral bevel gear is selected as the research object. As
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Influence of the position of the inner split surface on the filling quality of the spiral bevel gear tooth profile
The position of the inner shunting surface is determined by the relative height of the punch and the die core,
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Optimization of precision forging parameters of spiral bevel gear
During the simulation, the temperatures of 900 ℃, 950 ℃, 1000 ℃, 1050 ℃ and 1100 ℃ are selected, and
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The influence of the gap size of the outer shunt on the metal forming force of the bevel gear
The size of the outer shunt gap is determined by the distance between the lower end face of the upper
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Finishing quantity and forming force of bevel gear tooth blank
The figure shows the relationship curve of forming force corresponding to the finishing amount of bevel gear tooth blank. As
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Effect of internal split clearance on metal forming force of spur gear
The size of the inner shunt gap is determined by the distance between the lower end face of the punch
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Influence of the position of the outer split surface on the filling quality of the spiral bevel gear tooth profile
The influence of the change of the relative position of the outer split surface on the tooth shape quality of
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Establishment of structure and acoustic finite element model of helical gear system
① Establishment of structural finite element model of helical gear system The acoustic grid requires the grid size to be
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Design of preform for spiral bevel gear
The shape of preform has a great influence on the cavity filling, material consumption and forming force of metal in
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Theoretical analysis of noncircular gears
Analyze each tooth of the meshing diagram of the driving wheel and driven wheel, number each tooth, as shown in
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Comparison of forming schemes of spiral bevel gear
Under the condition of ensuring the same volume and shape of the preform of spiral bevel gear, the internal split
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Establishment of finite element model of spiral bevel gear
Because DEFORM-3D software does not have the function of 3D modeling, UG modeling software is used to establish the solid
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Analysis of precision forging test results of spiral bevel gear
Figure (a) is the sectional grid diagram of some forgings before precision forging of driven spiral bevel gear, figures (b)
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Driven spiral bevel gear of automobile rear axle
The driven spiral bevel gear of an automobile rear axle is taken as the research object, and its part structure
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Kinematic analysis of noncircular gears
Using ADAMS software, the kinematics of non-circular gear is analyzed to verify whether the output transmission ratio of non-circular gear
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Driven spiral bevel gear of automobile rear axle
Figure 1 is the structure diagram of the designed precision forging part. Because the tooth surface of the spiral bevel
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Present situation of processing technology of spiral bevel gear
At present, the main processing method of spiral bevel gear is cutting method, and its whole production process is: blank
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Optimization of blank shape of spiral bevel gear
In UG software, open the forging drawing interface, and open the analysis → measuring body → selecting body → volume
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Influence of damping on dynamic meshing characteristics of planetary gears
All mechanical motions are accompanied by the loss of mechanical energy, that is, all vibrations have damping. The damping force